:root{--pane-bg:radial-gradient(circle at 14% 18%, color-mix(in srgb, var(--g1,#60a5fa) 14%, transparent) 0%, transparent 34%), radial-gradient(circle at 86% 16%, color-mix(in srgb, var(--g2,#f472b6) 12%, transparent) 0%, transparent 36%), radial-gradient(circle at 50% 112%, color-mix(in srgb, var(--g1,#60a5fa) 6%, var(--g2,#f472b6) 6%) 0%, transparent 48%), linear-gradient(148deg, color-mix(in srgb, var(--app-surface-strong,#0f172ad1) 86%, #070b12 14%) 0%, color-mix(in srgb, var(--card-bg,#0f172aad) 90%, #090d15 10%) 46%, color-mix(in srgb, var(--app-surface,#0f172ab8) 84%, #05070d 16%) 100%);--pane-bg-elevated:linear-gradient(165deg, color-mix(in srgb, var(--card-bg,#0f172a99) 68%, #20262e 32%) 0%, color-mix(in srgb, var(--card-bg,#0f172a99) 84%, #13181e 16%) 100%)}#work-area{background:var(--pane-bg);grid-template-rows:minmax(0,1fr);grid-template-columns:1fr;width:100%;height:100%;min-height:0;transition:grid-template-columns .5s cubic-bezier(.16,1,.3,1);display:grid;position:relative;overflow:hidden}#work-area.pane-close-transitioning,#work-area.pane-open-transitioning{transition:grid-template-columns .62s cubic-bezier(.16,1,.3,1),gap .62s cubic-bezier(.16,1,.3,1),padding .62s cubic-bezier(.16,1,.3,1)}#work-area.pane-close-crushing{gap:0;padding:0}#work-area.pane-close-crushing .panel-resize-handle{opacity:0;pointer-events:none;width:0;transition:width .46s cubic-bezier(.16,1,.3,1),opacity .2s}#work-area.pane-layout-target-single #quiz-card:not(.is-floating):not(.quiz-card-expanded),#work-area.pane-layout-target-duo #quiz-card:not(.is-floating):not(.quiz-card-expanded),#work-area.pane-layout-target-trio #quiz-card:not(.is-floating):not(.quiz-card-expanded){width:var(--pane-layout-target-card-width,min(1120px, calc(100vw - 24px)))!important;height:var(--pane-layout-target-card-height,min(620px, calc(100vh - 24px)))!important;max-width:calc(100% - 24px)!important;margin-inline:auto!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pane-layout-target-duo #quiz-card:not(.is-floating):not(.quiz-card-expanded),#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pane-layout-target-trio #quiz-card:not(.is-floating):not(.quiz-card-expanded){width:var(--pane-layout-target-card-width,min(900px, calc(100% - 2rem)))!important;max-width:calc(100% - 2rem)!important}#work-area.question-pane-transitioning #quiz-pane,#work-area.question-pane-transitioning #pdf-pane,#work-area.question-pane-transitioning #ai-pane,#work-area.pane-open-transitioning #quiz-pane,#work-area.pane-open-transitioning #pdf-pane,#work-area.pane-open-transitioning #ai-pane,#work-area.pane-close-transitioning #quiz-pane,#work-area.pane-close-transitioning #pdf-pane,#work-area.pane-close-transitioning #ai-pane{transition:opacity .24s,transform .34s cubic-bezier(.22,1,.36,1),padding .3s,border-color .24s}@media (width>=769px){#work-area.pane-close-transitioning>*,#work-area.pane-open-transitioning>*{grid-row:1!important}}#work-area.no-transition{transition:none!important}#work-area.question-pane-transitioning #pdf-pane,#work-area.question-pane-transitioning #ai-pane{opacity:.92;transform:translate(0)}#work-area.pane-open-transitioning #pdf-pane,#work-area.pane-open-transitioning #ai-pane,#pdf-pane.pane-soft-closing,#ai-pane.pane-soft-closing,#pdf-pane.pane-soft-closing-to-wall,#ai-pane.pane-soft-closing-to-wall,#pdf-pane.pane-soft-closing-in-flow,#ai-pane.pane-soft-closing-in-flow{will-change:transform, opacity;backface-visibility:hidden}#work-area.pane-open-transitioning #pdf-pane,#work-area.pane-open-transitioning #ai-pane{animation:.36s cubic-bezier(.22,1,.36,1) both pane-open-soft-in}#work-area.pane-open-transitioning #pdf-pane.pane-soft-opening-from-wall,#work-area.pane-open-transitioning #ai-pane.pane-soft-opening-from-wall{transform-origin:var(--pane-open-origin-x,center) center;animation:.62s cubic-bezier(.16,1,.3,1) both pane-open-wall-attached;min-width:0!important;overflow:hidden!important}#work-area.pane-open-transitioning #quiz-card:not(.is-floating):not(.quiz-card-expanded){will-change:transform;transition:width .62s cubic-bezier(.16,1,.3,1),max-width .62s cubic-bezier(.16,1,.3,1),height .54s cubic-bezier(.16,1,.3,1),margin .62s cubic-bezier(.16,1,.3,1),--quiz-content-scale .62s cubic-bezier(.16,1,.3,1),transform .62s cubic-bezier(.16,1,.3,1)}#work-area.pane-open-transitioning #quiz-card:not(.is-floating):not(.quiz-card-expanded),#work-area.trio-view.pane-open-transitioning #quiz-card:not(.is-floating):not(.quiz-card-expanded){animation:.62s cubic-bezier(.16,1,.3,1) both quiz-card-pane-open-settle}#work-area.pane-close-transitioning #quiz-card:not(.is-floating):not(.quiz-card-expanded){will-change:transform;transition:width .62s cubic-bezier(.16,1,.3,1),max-width .62s cubic-bezier(.16,1,.3,1),height .54s cubic-bezier(.16,1,.3,1),margin .62s cubic-bezier(.16,1,.3,1),transform .62s cubic-bezier(.16,1,.3,1)}#pdf-pane.pane-soft-closing,#ai-pane.pane-soft-closing{transform-origin:50%;animation:.32s cubic-bezier(.55,.08,.22,1) both pane-close-soft-out;left:var(--pane-close-left,0)!important;top:var(--pane-close-top,0)!important;width:var(--pane-close-width,0)!important;height:var(--pane-close-height,0)!important;pointer-events:none!important;z-index:260!important;margin:0!important;display:flex!important;position:absolute!important;overflow:hidden!important}#pdf-pane.pane-soft-closing-to-wall,#ai-pane.pane-soft-closing-to-wall{contain:layout paint;transform-origin:var(--pane-close-origin-x,center) center;animation:.62s cubic-bezier(.55,.08,.22,1) both pane-close-wall-detached;box-shadow:none!important;background:0 0!important;border-color:#0000!important;display:flex!important;overflow:clip!important}#pdf-pane.pane-soft-closing-to-wall>*,#ai-pane.pane-soft-closing-to-wall>*{opacity:0!important;transition:opacity 80ms!important}#pdf-pane.pane-soft-closing-to-wall:after,#ai-pane.pane-soft-closing-to-wall:after{z-index:998;pointer-events:none;background:radial-gradient(circle at 50% 48%, color-mix(in srgb, var(--g1,#60a5fa) 12%, transparent) 0%, transparent 48%), linear-gradient(150deg, color-mix(in srgb, var(--card-bg,#0f172ab8) 72%, #060914 28%) 0%, color-mix(in srgb, var(--card-bg,#0f172ab8) 78%, #151827 22%) 100%);box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--g1,#60a5fa) 32%, var(--g2,#f472b6) 26%, transparent);animation:.62s cubic-bezier(.55,.08,.22,1) both pane-close-overlay-fade;position:absolute;inset:0;content:none!important;display:none!important}#pdf-pane.pane-soft-closing-to-wall:before,#ai-pane.pane-soft-closing-to-wall:before{z-index:999;pointer-events:none;background:linear-gradient(90deg, transparent 0%, color-mix(in srgb, var(--g1,#60a5fa) 28%, transparent) 34%, #ffffffa3 50%, color-mix(in srgb, var(--g2,#f472b6) 26%, transparent) 66%, transparent 100%);opacity:0;width:6px;animation:.62s both pane-close-wall-line;position:absolute;top:0;bottom:0;content:none!important;display:none!important}#pdf-pane.pane-soft-closing-to-wall[style*="--pane-close-origin-x: left"]:before,#ai-pane.pane-soft-closing-to-wall[style*="--pane-close-origin-x: left"]:before{right:0}#pdf-pane.pane-soft-closing-to-wall[style*="--pane-close-origin-x: right"]:before,#ai-pane.pane-soft-closing-to-wall[style*="--pane-close-origin-x: right"]:before{left:0}#pdf-pane.pane-soft-closing-in-flow,#ai-pane.pane-soft-closing-in-flow{isolation:isolate;contain:layout paint;transform-origin:50%;animation:.62s cubic-bezier(.55,.08,.22,1) both pane-close-pane-fade;pointer-events:none!important;min-width:0!important;min-height:0!important;display:flex!important;position:relative!important;overflow:clip!important}#pdf-pane.pane-soft-closing-in-flow>*,#ai-pane.pane-soft-closing-in-flow>*{opacity:0!important;transition:opacity .12s!important}#pdf-pane.pane-soft-closing-in-flow:after,#ai-pane.pane-soft-closing-in-flow:after{z-index:998;pointer-events:none;background:radial-gradient(circle at 50% 48%, color-mix(in srgb, var(--g1,#60a5fa) 12%, transparent) 0%, transparent 48%), linear-gradient(150deg, color-mix(in srgb, var(--card-bg,#0f172ab8) 72%, #060914 28%) 0%, color-mix(in srgb, var(--card-bg,#0f172ab8) 78%, #151827 22%) 100%);box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--g1,#60a5fa) 32%, var(--g2,#f472b6) 26%, transparent);animation:.62s cubic-bezier(.55,.08,.22,1) both pane-close-overlay-fade;position:absolute;inset:0;content:none!important;display:none!important}#pdf-pane.pane-soft-closing-in-flow:before,#ai-pane.pane-soft-closing-in-flow:before{z-index:999;pointer-events:none;background:linear-gradient(90deg, transparent 0%, color-mix(in srgb, var(--g1,#60a5fa) 28%, transparent) 34%, #ffffffa3 50%, color-mix(in srgb, var(--g2,#f472b6) 26%, transparent) 66%, transparent 100%);opacity:0;width:6px;animation:.62s both pane-close-wall-line;position:absolute;top:0;bottom:0;content:none!important;display:none!important}#work-area.pane-close-crush-left #pdf-pane.pane-soft-closing-in-flow,#work-area.pane-close-crush-left #ai-pane.pane-soft-closing-in-flow{transform-origin:0}#work-area.pane-close-crush-left #pdf-pane.pane-soft-closing-in-flow:before,#work-area.pane-close-crush-left #ai-pane.pane-soft-closing-in-flow:before{right:0}#work-area.pane-close-crush-right #pdf-pane.pane-soft-closing-in-flow,#work-area.pane-close-crush-right #ai-pane.pane-soft-closing-in-flow{transform-origin:100%}#work-area.pane-close-crush-right #pdf-pane.pane-soft-closing-in-flow:before,#work-area.pane-close-crush-right #ai-pane.pane-soft-closing-in-flow:before{left:0}#work-area.question-pane-transitioning #quiz-card:not(.is-floating):not(.quiz-card-expanded){transition:width .34s cubic-bezier(.22,1,.36,1),max-width .34s cubic-bezier(.22,1,.36,1),margin .34s cubic-bezier(.22,1,.36,1),transform .34s cubic-bezier(.22,1,.36,1)}@keyframes pane-open-soft-in{0%{opacity:0;transform:translate(16px)scale(.992)}to{opacity:1;transform:translate(0)scale(1)}}@keyframes pane-open-wall-attached{0%{opacity:0;transform:scaleX(.02)}36%{opacity:1}to{opacity:1;transform:scaleX(1)}}@keyframes pane-close-soft-out{0%{opacity:1;transform:translate(0)scale(1)}to{opacity:0;transform:translateX(var(--pane-close-shift,14px)) scale(.992)}}@keyframes pane-close-wall-out{0%{opacity:1;filter:none;transform:scaleX(1)}62%{opacity:.98;filter:saturate(.9)brightness(1.06);transform:scaleX(.32)}84%{opacity:.82;filter:saturate(.74)brightness(1.24);transform:scaleX(.1)}to{opacity:0;filter:saturate(.68)brightness(1.12);transform:scaleX(.018)}}@keyframes pane-close-wall-detached{0%{opacity:1;transform:translate(0)scaleX(1)}64%{opacity:.9}to{opacity:0;transform:translateX(var(--pane-close-shift,14px)) scaleX(.02)}}@keyframes pane-close-pane-fade{0%{opacity:1}to{opacity:0}}@keyframes pane-close-overlay-fade{0%{opacity:.84}62%{opacity:.48}82%{opacity:0}to{opacity:0}}@keyframes pane-close-wall-line{0%{opacity:.72}54%{opacity:.94}78%{opacity:0}to{opacity:0}}@keyframes quiz-card-pane-open-settle{0%{transform:translate(-10px)scale(.996)}to{transform:translate(0)scale(1)}}#work-area.split-view{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr)}body.panel-reorder-ready #quiz-pane>#app-home-title,body.panel-reorder-ready #controls-bar,body.panel-reorder-ready #pdf-header,body.panel-reorder-ready #ai-header{cursor:grab}body.panel-reorder-dragging #work-area{cursor:grabbing}body.panel-reorder-dragging #quiz-pane>#app-home-title,body.panel-reorder-dragging #controls-bar,body.panel-reorder-dragging #pdf-header,body.panel-reorder-dragging #ai-header{cursor:grabbing!important}#work-area #quiz-pane.panel-reorder-source,#work-area #pdf-pane.panel-reorder-source,#work-area #ai-pane.panel-reorder-source{opacity:.46;filter:saturate(.7)contrast(.94)}#work-area #quiz-pane.panel-reorder-target,#work-area #pdf-pane.panel-reorder-target,#work-area #ai-pane.panel-reorder-target{outline:2px dashed color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 44%);outline-offset:-2px;box-shadow:inset 0 0 0 999px color-mix(in srgb, var(--g1,#60a5fa) 14%, transparent), 0 0 18px color-mix(in srgb, var(--g2,#f472b6) 34%, transparent)}.panel-reorder-panel-ghost{pointer-events:none;z-index:20050;opacity:.58;filter:saturate(.86);-webkit-backdrop-filter:blur(8px);border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 46%, #fff3 54%);flex-direction:column;display:flex;position:fixed;top:0;left:0;overflow:hidden;transform:translate(-9999px,-9999px);box-shadow:0 14px 36px #02061785}.panel-reorder-panel-ghost .panel-reorder-ghost-header{min-height:34px;color:var(--text-q,#f8fafc);border-bottom:1px solid color-mix(in srgb, var(--bd,#94a3b842) 76%, transparent 24%);align-items:center;gap:6.4px;padding:6px 10px;font-size:.82rem;font-weight:700;display:flex}.panel-reorder-panel-ghost .panel-reorder-ghost-header *{pointer-events:none!important}.panel-reorder-ghost-label{min-height:34px;color:var(--text-q,#f8fafc);border-bottom:1px solid color-mix(in srgb, var(--bd,#94a3b842) 76%, transparent 24%);align-items:center;padding:6px 10px;font-size:.82rem;font-weight:700;display:flex}.panel-reorder-ghost-body{background:linear-gradient(165deg, color-mix(in srgb, var(--card-bg,#0f172a99) 72%, #20262e 28%) 0%, color-mix(in srgb, var(--card-bg,#0f172a99) 84%, #141a20 16%) 100%);flex:auto}.panel-resize-handle{cursor:col-resize;z-index:100;background:#ffffff26;width:1px;transition:all .15s;display:none;position:relative}.panel-resize-handle:hover,.panel-resize-handle.dragging{background:var(--g);width:8px;box-shadow:0 0 10px #a78bfa80}body.resizing-panels iframe{pointer-events:none}#work-area.split-view #resize-quiz-pdf,#work-area.trio-view #resize-quiz-pdf,#work-area.trio-view #resize-pdf-ai,#work-area.split-view-ai #resize-pdf-ai,#work-area.pdf-tutor-view #resize-pdf-ai{display:block}#work-area.bordered-mode.split-view{background:var(--pane-bg-elevated);gap:6px;padding:6px}#work-area.bordered-mode.split-view #quiz-pane,#work-area.bordered-mode.split-view #pdf-pane{border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 44%);box-shadow:inset 0 0 0 1px #ffffff0a, 0 0 0 1px color-mix(in srgb, var(--g1,#60a5fa) 18%, transparent), 0 0 0 1px color-mix(in srgb, var(--g2,#f472b6) 14%, transparent), 0 10px 24px #00000057;background-clip:padding-box;border-radius:12px;transition:filter 2s,border-color .3s,box-shadow .3s}#work-area.bordered-mode.split-view #quiz-pane{border-right-color:color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 44%)}#work-area.bordered-mode.split-view #pdf-pane{border-left-color:color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 44%)}#quiz-pane{-ms-overflow-style:none;scrollbar-width:none;background:0 0;border-right:1px solid #0000;flex-direction:column;align-items:center;width:100%;height:100%;min-height:0;padding:1.5rem;transition:padding .3s;display:flex;position:relative;overflow-y:auto}html:not(.phone-device):fullscreen body:not(.welcome-mode) #quiz-pane,html:not(.phone-device):-webkit-full-screen body:not(.welcome-mode) #quiz-pane{justify-content:safe center}html:not(.phone-device):fullscreen body:not(.welcome-mode) #quiz-pane,html:not(.phone-device):fullscreen body:not(.welcome-mode) #quiz-pane{justify-content:safe center}#work-area.split-view #quiz-pane,#work-area.split-view-ai #quiz-pane{border-right:1px solid var(--bd);isolation:isolate;z-index:140;align-items:center;min-width:0;padding:1rem;overflow:visible auto}#quiz-pane::-webkit-scrollbar{display:none}#pdf-pane{--pdf-header-height:36px;border-left:1px solid var(--app-border,#94a3b840);background:0 0;flex-direction:column;height:100%;min-height:0;display:none;position:relative;overflow:hidden;container-type:inline-size}#work-area.split-view #pdf-pane,#work-area.split-view-ai #ai-pane{z-index:20;min-width:0;display:flex}#work-area.trio-view{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr)}#work-area.trio-view #pdf-pane,#work-area.trio-view #ai-pane{z-index:20;min-width:0;display:flex;overflow:hidden}#work-area.split-view-ai{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr)}#work-area.split-view-ai #pdf-pane{display:none}#work-area.quiz-generation-pane-open{background:radial-gradient(circle at 78% 44%, color-mix(in srgb, var(--g2,#f472b6) 10%, transparent), transparent 34%), var(--pane-bg);grid-template-columns:minmax(0,1fr) auto minmax(340px,.72fr);gap:0;transition:grid-template-columns .72s cubic-bezier(.16,1,.3,1),background .4s}#work-area.quiz-generation-pane-open #quiz-pane{border-right:1px solid color-mix(in srgb, var(--g1,#60a5fa) 32%, var(--bd) 68%);min-width:0;box-shadow:18px 0 42px -30px color-mix(in srgb, var(--g1,#60a5fa) 50%, transparent);grid-area:1/1;animation:.72s cubic-bezier(.16,1,.3,1) both quiz-generation-card-shove;overflow-x:visible}#work-area.quiz-generation-pane-open #quiz-card:not(.is-floating):not(.quiz-card-expanded){width:min(900px,100% - 1.5rem);max-width:calc(100% - 1.5rem);height:auto;margin-inline:auto}#work-area.quiz-generation-pane-open #quiz-gen-pane{z-index:24;grid-area:1/3;min-width:0;min-height:0;position:relative;overflow:hidden;display:flex!important}#work-area.quiz-generation-pane-open #pdf-pane,#work-area.quiz-generation-pane-open #ai-pane,#work-area.quiz-generation-pane-open #resize-quiz-pdf,#work-area.quiz-generation-pane-open #resize-pdf-ai{display:none!important}#quiz-gen-pane{--quiz-gen-pane-border:color-mix(in srgb, var(--g1,#60a5fa) 28%, var(--g2,#f472b6) 26%, var(--bd) 46%);--quiz-gen-pane-muted:color-mix(in srgb, var(--text-main,#f8fafc) 54%, transparent);--quiz-gen-pane-soft:color-mix(in srgb, var(--g1,#60a5fa) 8%, var(--card-bg,#0f172a) 92%);background:radial-gradient(circle at 90% 10%, color-mix(in srgb, var(--g2,#f472b6) 16%, transparent), transparent 30%), radial-gradient(circle at 10% 88%, color-mix(in srgb, var(--g1,#60a5fa) 12%, transparent), transparent 38%), linear-gradient(165deg, color-mix(in srgb, var(--card-bg,#0f172a) 88%, #16233c 12%) 0%, color-mix(in srgb, var(--app-surface,#080d18) 92%, #130d24 8%) 100%);border-left:1px solid var(--quiz-gen-pane-border);box-shadow:-24px 0 70px -50px color-mix(in srgb, var(--g2,#f472b6) 72%, transparent);isolation:isolate;transform-origin:0;flex-direction:column;padding:clamp(20px,2.3vw,34px) clamp(18px,2.6vw,38px) clamp(18px,2.1vw,30px)}#quiz-gen-pane:before,#quiz-gen-pane:after{content:"";pointer-events:none;z-index:-1;position:absolute}#quiz-gen-pane:before{opacity:.42;background-image:linear-gradient(color-mix(in srgb, var(--g1,#60a5fa) 7%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--g2,#f472b6) 6%, transparent) 1px, transparent 1px);background-size:26px 26px;inset:0;mask-image:linear-gradient(#000,#0000 80%)}#quiz-gen-pane:after{background:linear-gradient(180deg, transparent 0%, var(--g1,#60a5fa) 24%, var(--g2,#f472b6) 72%, transparent 100%);opacity:.62;filter:blur(.3px);width:4px;top:0;bottom:0;left:-2px}#quiz-gen-pane.is-warping{opacity:0;filter:saturate(1.3)brightness(1.32);transform:translate(94px)scaleX(.08)scaleY(.94)rotateY(-14deg)}.quiz-gen-pane-header,.quiz-gen-pane-actions,.quiz-gen-pane-hero-topline,.quiz-gen-pane-section-heading,.quiz-gen-pane-footer{align-items:center;display:flex}.quiz-gen-pane-header{border-bottom:1px solid color-mix(in srgb, var(--bd) 68%, transparent);justify-content:space-between;gap:16px;padding-bottom:18px}.quiz-gen-pane-heading{min-width:0}.quiz-gen-pane-kicker,.quiz-gen-pane-section-kicker{color:color-mix(in srgb, var(--g1,#60a5fa) 72%, var(--text-main,#f8fafc) 28%);letter-spacing:.22em;text-transform:uppercase;font-size:.62rem;font-weight:800;line-height:1.3;display:block}.quiz-gen-pane-heading h2,.quiz-gen-pane-section-heading h3{color:var(--text-main,#f8fafc);font-family:var(--font-display,Georgia, serif);letter-spacing:-.03em;margin:4px 0 0}.quiz-gen-pane-heading h2{font-size:clamp(1.35rem,2vw,2rem)}.quiz-gen-pane-section-heading h3{font-size:1.1rem}.quiz-gen-pane-actions{flex:none;gap:8px}.quiz-gen-pane-live-badge{color:#86efac;letter-spacing:.16em;background:#34d3991c;border:1px solid #34d39985;border-radius:999px;padding:5px 8px;font-size:.6rem;font-weight:800}.quiz-gen-pane-live-badge:before{content:"";vertical-align:middle;background:currentColor;border-radius:50%;width:5px;height:5px;margin:0 5px 1px 0;display:inline-block;box-shadow:0 0 10px}.quiz-gen-pane-icon-btn,.quiz-gen-pane-stop-btn{border:1px solid color-mix(in srgb, var(--bd) 86%, var(--g1,#60a5fa) 14%);background:color-mix(in srgb, var(--btn-surface,#0f172a8f) 84%, transparent 16%);color:var(--text-main,#f8fafc);cursor:pointer;transition:border-color .18s,background .18s,transform .18s}.quiz-gen-pane-icon-btn{border-radius:9px;width:30px;height:30px;font-size:1rem}.quiz-gen-pane-icon-btn:hover,.quiz-gen-pane-icon-btn:focus-visible,.quiz-gen-pane-stop-btn:hover,.quiz-gen-pane-stop-btn:focus-visible{border-color:color-mix(in srgb, var(--g1,#60a5fa) 62%, var(--g2,#f472b6) 38%);background:color-mix(in srgb, var(--g1,#60a5fa) 16%, var(--btn-surface,#0f172a8f) 84%);transform:translateY(-1px)}.quiz-gen-pane-hero{border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 24%, var(--bd) 76%);background:linear-gradient(145deg, color-mix(in srgb, var(--g1,#60a5fa) 10%, transparent), transparent 58%);box-shadow:inset 0 1px 0 #ffffff0e, 0 18px 38px -30px color-mix(in srgb, var(--g1,#60a5fa) 72%, transparent);border-radius:16px;margin:22px 0 26px;padding:18px;position:relative}.quiz-gen-pane-hero:before{content:"";background:var(--g);width:54px;height:2px;box-shadow:0 0 18px color-mix(in srgb, var(--g2,#f472b6) 72%, transparent);position:absolute;top:-1px;left:18px}.quiz-gen-pane-hero-topline{color:var(--quiz-gen-pane-muted);justify-content:space-between;gap:14px;font-size:.76rem;font-weight:700}#quiz-gen-pane-percent{color:var(--text-main,#f8fafc);font-variant-numeric:tabular-nums}.quiz-gen-pane-progress-track{background:color-mix(in srgb, var(--bd) 46%, #020617 54%);border-radius:999px;height:7px;margin:15px 0 11px;overflow:hidden}#quiz-gen-pane-progress-fill{border-radius:inherit;background:linear-gradient(90deg, var(--g1,#60a5fa), var(--g2,#f472b6));width:0;height:100%;box-shadow:0 0 18px color-mix(in srgb, var(--g2,#f472b6) 65%, transparent);transition:width .42s cubic-bezier(.16,1,.3,1);display:block}.quiz-gen-pane-status{min-height:1.2em;color:var(--quiz-gen-pane-muted);margin:0;font-size:.72rem;line-height:1.45}.quiz-gen-pane-source-section{flex-direction:column;flex:auto;min-height:0;display:flex}.quiz-gen-pane-section-heading{justify-content:space-between;gap:12px;margin-bottom:12px}.quiz-gen-pane-source-count{color:var(--quiz-gen-pane-muted);white-space:nowrap;font-size:.68rem;font-weight:700}.quiz-gen-pane-sources{scrollbar-width:none;flex-direction:column;flex:auto;gap:8px;min-height:0;display:flex;overflow:auto}.quiz-gen-pane-sources::-webkit-scrollbar{display:none}.quiz-gen-pane-source-row{border:1px solid color-mix(in srgb, var(--bd) 74%, transparent);background:color-mix(in srgb, var(--quiz-gen-pane-soft) 86%, transparent 14%);border-radius:11px;grid-template-rows:auto 3px;grid-template-columns:24px 8px minmax(0,1fr) auto;align-items:center;column-gap:9px;padding:11px 12px 10px;transition:border-color .2s,background .2s,transform .2s;display:grid;position:relative;overflow:hidden}.quiz-gen-pane-source-row[data-source-state=processing],.quiz-gen-pane-source-row[data-source-state=completed]{border-color:color-mix(in srgb, #34d399 34%, var(--bd) 66%)}.quiz-gen-pane-source-index{color:color-mix(in srgb, var(--text-main,#f8fafc) 42%, transparent);font-variant-numeric:tabular-nums;grid-row:1/span 2;font-size:.63rem}.quiz-gen-pane-source-signal{background:var(--g1,#60a5fa);width:7px;height:7px;box-shadow:0 0 12px color-mix(in srgb, var(--g1,#60a5fa) 74%, transparent);border-radius:50%;grid-row:1/span 2}.quiz-gen-pane-source-row[data-source-state=processing] .quiz-gen-pane-source-signal,.quiz-gen-pane-source-row[data-source-state=completed] .quiz-gen-pane-source-signal{background:#34d399;box-shadow:0 0 12px #34d399b8}.quiz-gen-pane-source-row[data-source-state=failed] .quiz-gen-pane-source-signal,.quiz-gen-pane-source-row[data-source-state=cancelled] .quiz-gen-pane-source-signal{background:#fb7185;box-shadow:0 0 12px #fb71859e}.quiz-gen-pane-source-main{flex-direction:column;gap:3px;min-width:0;display:flex}.quiz-gen-pane-source-main strong,.quiz-gen-pane-source-main span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.quiz-gen-pane-source-main strong{color:var(--text-main,#f8fafc);font-size:.75rem;font-weight:750}.quiz-gen-pane-source-main span{color:var(--quiz-gen-pane-muted);font-size:.63rem}.quiz-gen-pane-source-percent{color:color-mix(in srgb, var(--g2,#f472b6) 78%, var(--text-main,#f8fafc) 22%);font-variant-numeric:tabular-nums;align-self:start;font-size:.65rem}.quiz-gen-pane-source-meter{background:color-mix(in srgb, var(--bd) 44%, #020617 56%);border-radius:999px;grid-column:3/span 2;height:3px;display:block;overflow:hidden}.quiz-gen-pane-source-meter span{border-radius:inherit;background:linear-gradient(90deg, var(--g1,#60a5fa), var(--g2,#f472b6));height:100%;transition:width .42s cubic-bezier(.16,1,.3,1);display:block}.quiz-gen-pane-empty{border:1px dashed color-mix(in srgb, var(--bd) 74%, var(--g1,#60a5fa) 26%);color:var(--quiz-gen-pane-muted);text-align:center;border-radius:11px;padding:22px 12px;font-size:.74rem}.quiz-gen-pane-footer{border-top:1px solid color-mix(in srgb, var(--bd) 62%, transparent);color:var(--quiz-gen-pane-muted);gap:8px;margin-top:18px;padding-top:14px;font-size:.66rem;line-height:1.45}.quiz-gen-pane-footer>span:not(.quiz-gen-pane-footer-orbit){flex:auto}.quiz-gen-pane-footer-orbit{border:1px solid color-mix(in srgb, var(--g2,#f472b6) 70%, transparent);border-radius:50%;flex:0 0 13px;width:13px;height:13px;position:relative}.quiz-gen-pane-footer-orbit:after,.quiz-gen-pane-footer-orbit span{content:"";background:var(--g2,#f472b6);width:3px;height:3px;box-shadow:0 0 8px var(--g2,#f472b6);border-radius:50%;position:absolute}.quiz-gen-pane-footer-orbit:after{top:-2px;left:5px}.quiz-gen-pane-footer-orbit span{bottom:1px;right:-2px}.quiz-gen-pane-stop-btn{color:color-mix(in srgb, #fb7185 86%, var(--text-main,#f8fafc) 14%);border-radius:8px;flex:none;padding:6px 10px;font-size:.66rem;font-weight:750}@keyframes quiz-generation-card-shove{0%{filter:saturate(.88)brightness(.98);transform:translate(12px)scale(.997)}to{filter:none;transform:translate(0)scale(1)}}@media (width<=900px) and (width>=769px){#work-area.quiz-generation-pane-open{grid-template-columns:minmax(0,1fr) auto minmax(300px,.78fr)}#quiz-gen-pane{padding-inline:16px}.quiz-gen-pane-footer>span:not(.quiz-gen-pane-footer-orbit){font-size:.6rem}}@media (width<=768px){#work-area.quiz-generation-pane-open{grid-template-columns:1fr}#work-area.quiz-generation-pane-open #quiz-gen-pane{display:none!important}}#work-area.quiz-generation-pane-open #quiz-gen-pane{padding:18px 20px}#work-area.quiz-generation-pane-open #quiz-gen-pane .quiz-gen-pane-header{padding-bottom:12px}#work-area.quiz-generation-pane-open #quiz-gen-pane .quiz-gen-pane-heading h2{margin-top:0;font-size:clamp(1.25rem,1.8vw,1.7rem)}#work-area.quiz-generation-pane-open #quiz-gen-pane .quiz-gen-pane-footer,#work-area.quiz-generation-pane-open #quiz-gen-pane .quiz-gen-pane-kicker,#work-area.quiz-generation-pane-open #quiz-gen-pane .quiz-gen-pane-live-badge,#work-area.quiz-generation-pane-open #quiz-gen-pane .quiz-gen-pane-hero{display:none!important}#work-area.quiz-generation-pane-open #quiz-gen-pane .quiz-gen-pane-source-section{margin-top:0}#work-area.quiz-generation-pane-open{grid-template-columns:1fr;gap:0;transition:background .4s}#work-area.quiz-generation-pane-open #quiz-pane{padding-right:calc(1.5rem + var(--quiz-gen-pane-width,460px) + 28px);box-shadow:none;border-right:0;grid-area:auto;transition:padding-right .6s cubic-bezier(.16,1,.3,1);animation:none;overflow-x:visible}#work-area.quiz-generation-pane-open #quiz-card:not(.is-floating):not(.quiz-card-expanded){width:min(900px,100% - 1.5rem);max-width:calc(100% - 1.5rem);margin-inline:0;filter:none!important;transition:transform .6s cubic-bezier(.16,1,.3,1),width .6s cubic-bezier(.16,1,.3,1),max-width .6s cubic-bezier(.16,1,.3,1),box-shadow .28s,border-color .28s,filter .18s!important}#work-area.quiz-generation-pane-open #quiz-gen-pane{width:min(var(--quiz-gen-pane-width,460px), calc(100% - 28px));z-index:240;border:1px solid var(--quiz-gen-pane-border);min-width:0;max-width:calc(100% - 28px);min-height:0;box-shadow:-24px 0 48px -34px color-mix(in srgb, var(--g1,#60a5fa) 60%, transparent), 0 18px 42px -28px #020617c2;border-left-width:2px;border-radius:18px;grid-area:auto;position:absolute;inset:15vh 14px 14px auto;overflow:hidden;display:flex!important}#quiz-gen-pane.is-warping{opacity:.08;transform-origin:100%;filter:saturate(1.35)brightness(1.3);transform:translate(56px)scaleX(.07)scaleY(.72)rotateY(-18deg)}#quiz-gen-pane.is-landed{opacity:1;filter:none;transition:transform .72s cubic-bezier(.16,1,.3,1),opacity .32s,filter .42s;transform:translate(0,0)scale(1)rotateY(0)}@media (width<=900px) and (width>=769px){#work-area.quiz-generation-pane-open #quiz-pane{padding-right:calc(1rem + var(--quiz-gen-pane-width,400px) + 20px)}#work-area.quiz-generation-pane-open #quiz-gen-pane{width:min(var(--quiz-gen-pane-width,400px), calc(100% - 24px));max-width:calc(100% - 24px);inset:15vh 12px 12px auto}#quiz-gen-pane{padding:16px}}@media (width<=768px){#work-area.quiz-generation-pane-open #quiz-gen-pane{display:none!important}}@media (prefers-reduced-motion:reduce){#work-area.quiz-generation-pane-open #quiz-pane,#work-area.quiz-generation-pane-open #quiz-card:not(.is-floating):not(.quiz-card-expanded),#quiz-gen-pane,#quiz-gen-pane.is-landed{transition-duration:1ms!important;animation-duration:1ms!important}}#work-area.split-view #quiz-pane,#work-area.split-view-ai #quiz-pane,#work-area.pdf-tutor-quiz-duo #quiz-pane{box-shadow:8px 0 24px -10px #0000008c}#work-area.split-view #pdf-pane,#work-area.pdf-tutor-quiz-duo #pdf-pane,#work-area.split-view-ai #ai-pane{box-shadow:-8px 0 24px -10px #0000008c}#work-area.trio-view #quiz-pane,#work-area.pdf-tutor-quiz-trio #quiz-pane{box-shadow:8px 0 24px -10px #0000008c}#work-area.trio-view #pdf-pane,#work-area.pdf-tutor-quiz-trio #pdf-pane{box-shadow:-8px 0 24px -10px #0000008c,8px 0 24px -10px #0000008c}#work-area.trio-view #ai-pane,#work-area.pdf-tutor-quiz-trio #ai-pane{box-shadow:-8px 0 24px -10px #0000008c}#work-area.pdf-tutor-view{grid-template-columns:minmax(0,1fr)}#work-area.pdf-tutor-view #quiz-pane,#work-area.pdf-tutor-view #resize-quiz-pdf{display:none}#work-area.pdf-tutor-view.pdf-tutor-quiz-view #quiz-pane{z-index:20;min-width:0;overflow:auto;grid-area:1/1!important;display:flex!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view #pdf-pane{display:none!important}#work-area.pdf-tutor-view #pdf-pane{z-index:20;--pdf-header-height:46px;--pdf-tutor-page-bg:color-mix(in srgb, var(--app-surface-strong,#0f172a) 94%, #020617 6%);background:var(--pdf-tutor-page-bg);border-left:0;min-width:0;overflow:hidden;grid-area:1/1!important;display:flex!important}#work-area.pdf-tutor-view #pdf-pane:after{content:"";left:0;right:0;top:var(--pdf-header-height,36px);z-index:90;pointer-events:none;opacity:0;backdrop-filter:blur(1px);background:linear-gradient(#0f172a66,#02061794),radial-gradient(circle at 50% 42%,#ffffff1a,#0000 48%);transition:opacity .18s;position:absolute;bottom:0}#work-area.pdf-tutor-view #pdf-header{min-height:var(--pdf-header-height,42px);z-index:120;align-items:center;gap:5px;padding-top:3px;padding-bottom:3px}#work-area.pdf-tutor-view #pdf-title{opacity:.78;cursor:help;flex:0 clamp(34px,5vw,76px);max-width:clamp(34px,5vw,76px);font-size:.64rem}#work-area.pdf-tutor-view #pdf-mini-toolbar{flex:0 118px;justify-content:flex-end;max-width:118px}#work-area.pdf-tutor-view #pdfjs-host,#work-area.pdf-tutor-view #pdf-frame{bottom:0}body.pdf-tutor-silent-expl-open #work-area.pdf-tutor-view #pdfjs-host{transition:right .18s;right:min(42vw,520px)}.pdf-tutor-inline-expl-panel{top:var(--pdf-header-height,46px);z-index:34;border-left:1px solid var(--app-border,#94a3b840);background:radial-gradient(circle at 10% 0%, color-mix(in srgb, var(--g1,#60a5fa) 10%, transparent), transparent 40%), linear-gradient(180deg, #0f172af5, #020617fa);width:min(42vw,520px);padding:14px 16px 22px;position:absolute;bottom:0;right:0;overflow:auto;box-shadow:-14px 0 30px #02061761}.pdf-tutor-inline-expl-panel[hidden]{display:none!important}.pdf-tutor-inline-expl-panel .ai-expl-meta{display:none}.pdf-tutor-inline-expl-toolbar{flex-wrap:wrap;gap:8px;margin:0 0 12px;display:flex}.pdf-tutor-inline-expl-toolbar .source-filter-btn{letter-spacing:0;border-radius:8px;min-height:30px;padding:6px 10px;font-size:.72rem;font-weight:800}.pdf-tutor-inline-expl-panel.is-regenerating .pdf-tutor-inline-expl-toolbar .source-filter-btn{opacity:.72;pointer-events:none}.pdf-tutor-inline-expl-panel .ai-expl-slide-card{margin:0 0 12px}.pdf-tutor-inline-expl-panel .ai-formatted-response{color:var(--text-main,#f8fafc);font-size:.92rem;line-height:1.6}.pdf-tutor-inline-expl-panel .ai-expl-slide-card{border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 30%, #94a3b859);background:color-mix(in srgb, var(--card-bg,#0f172ab8) 88%, #ffffff0a 12%);border-radius:12px;padding:14px 14px 12px;position:relative}.pdf-tutor-inline-expl-panel .ai-expl-slide-card.ai-expl-slide-target{border-color:color-mix(in srgb, var(--g1,#60a5fa) 68%, var(--g2,#f472b6) 32%);box-shadow:0 0 0 1px color-mix(in srgb, var(--g1,#60a5fa) 36%, transparent), 0 0 24px color-mix(in srgb, var(--g1,#60a5fa) 24%, transparent), 0 0 42px color-mix(in srgb, var(--g2,#f472b6) 16%, transparent)}.pdf-tutor-inline-expl-panel .ai-expl-slide-card .dd-section-header{margin-top:0;padding-right:78px}.pdf-tutor-inline-expl-panel .ai-expl-slide-card .dd-list,.pdf-tutor-inline-expl-panel .ai-expl-slide-card .dd-table-wrap{width:calc(100% - .95rem);margin-left:.95rem}.pdf-tutor-inline-expl-panel .ai-expl-slide-expand-btn{border:1px solid var(--btn-border);border-radius:var(--btn-radius-pill);background:var(--btn-surface-soft);color:var(--btn-text);cursor:pointer;user-select:none;box-shadow:var(--btn-shadow-soft);padding:5px 10px;font-size:.72rem;line-height:1;position:absolute;top:10px;right:10px}.pdf-tutor-inline-expl-panel .ai-expl-slide-audio-btn{display:none!important}.pdf-tutor-inline-expl-panel .ai-expl-slide-expand-btn:hover,.pdf-tutor-inline-expl-panel .ai-expl-slide-expand-btn:focus-visible{background:var(--btn-surface-hover);border-color:var(--btn-border-strong);color:var(--btn-text);box-shadow:var(--btn-shadow-hover);outline:none}@media (width<=920px){body.pdf-tutor-silent-expl-open #work-area.pdf-tutor-view #pdfjs-host{bottom:min(42vh,360px);right:0}.pdf-tutor-inline-expl-panel{border-left:0;border-top:1px solid var(--app-border,#94a3b840);width:auto;height:min(42vh,360px);top:auto;left:0;box-shadow:0 -14px 30px #02061761}}#work-area.pdf-tutor-view.pdf-tutor-slide-transitioning #pdf-pane:after{opacity:1}.pdf-tutor-slide-render-notice{top:max(62px, calc(env(safe-area-inset-top,0px) + 58px));z-index:2147481800;border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 46%, #fff3 54%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 20%, transparent), color-mix(in srgb, var(--g2,#f472b6) 14%, transparent)), color-mix(in srgb, var(--card-bg,#0f172a) 94%, #020617 6%);max-width:min(360px,100vw - 32px);min-height:38px;color:var(--text-main,#f8fafc);letter-spacing:0;pointer-events:none;opacity:0;border-radius:10px;align-items:center;gap:10px;padding:9px 14px;font-size:.82rem;font-weight:900;transition:opacity .16s,transform .16s;display:inline-flex;position:fixed;left:50%;transform:translate(-50%,-8px)scale(.98);box-shadow:0 18px 48px #02061775,inset 0 1px #ffffff1f}.pdf-tutor-slide-render-notice[hidden]{display:none!important}.pdf-tutor-slide-render-notice.is-visible{opacity:1;transform:translate(-50%)scale(1)}.pdf-tutor-slide-render-spinner{border:2px solid #e2e8f047;border-top-color:color-mix(in srgb, var(--g1,#60a5fa) 72%, #fff 28%);border-radius:999px;width:15px;height:15px;animation:.78s linear infinite pdf-tutor-slide-render-spin}#work-area.pdf-tutor-view #resize-pdf-ai{display:none!important}#work-area.pdf-tutor-view #ai-pane{z-index:960;pointer-events:none;background:0 0;border:0;width:auto;min-width:0;height:auto;position:fixed;inset:0;overflow:visible;display:block!important}#work-area.pdf-tutor-view #ai-header,#work-area.pdf-tutor-view #ai-frame,#work-area.pdf-tutor-view #ai-expl-view,#work-area.pdf-tutor-view #ai-pane-mode-wrap,#work-area.pdf-tutor-view:not(.pdf-tutor-quiz-trio) #ask-memora-pane-view{display:none!important}body.pdf-tutor-transcript-open #work-area.pdf-tutor-view #ai-pane{pointer-events:auto;-webkit-backdrop-filter:blur(2px);background:#0206177a}#work-area.pdf-tutor-view #pdf-tutor-pane{z-index:970;pointer-events:auto;border:1px solid color-mix(in srgb, var(--btn-theme-border,#334155) 62%, #ffffff29 38%);border-radius:8px;width:min(430px,100vw - 32px);max-width:calc(100vw - 32px);position:fixed;top:64px;bottom:16px;right:16px;box-shadow:0 28px 70px #020617bd,inset 0 1px #ffffff14;display:none!important}body.pdf-tutor-transcript-open #work-area.pdf-tutor-view #pdf-tutor-pane{display:flex!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr)}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio{grid-template-columns:minmax(0,1.05fr) auto minmax(0,.95fr) auto minmax(300px,.8fr)}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo #quiz-pane,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #quiz-pane{border-right:1px solid var(--bd);padding:1rem;grid-area:1/1!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo #pdf-pane,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #pdf-pane{border-left:1px solid var(--app-border,#94a3b840);--pdf-header-height:36px;min-width:0;overflow:hidden;grid-area:1/3!important;display:flex!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo #pdf-pane:after,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #pdf-pane:after{opacity:0!important;display:none!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pane-close-transitioning #pdf-pane.pane-soft-closing-in-flow{box-shadow:none!important;background:0 0!important;border-color:#0000!important;grid-area:1/3!important;display:flex!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pane-close-transitioning #pdf-pane.pane-soft-closing-in-flow:before,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pane-close-transitioning #pdf-pane.pane-soft-closing-in-flow:after{display:none!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view #pdf-pane.pane-soft-closing-to-wall{display:flex!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view #pdf-pane.pane-soft-closing-to-wall:before,#work-area.pdf-tutor-view.pdf-tutor-quiz-view #pdf-pane.pane-soft-closing-to-wall:after{display:none!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo #pdf-header,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #pdf-header{min-height:var(--pdf-header-height,36px);padding:5px 8px 5px calc(8px + var(--fullscreen-clearance-left,0px));z-index:3;gap:6px}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo #pdf-title,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #pdf-title{opacity:1;cursor:default;flex:0 0 clamp(110px,38%,340px);max-width:none;font-size:.72rem}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo #pdf-mini-toolbar,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #pdf-mini-toolbar{flex:auto;justify-content:flex-end;max-width:none;margin-left:0}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo #pdf-header .pdf-tutor-header-controls--pdf,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #pdf-header .pdf-tutor-header-controls--pdf{display:none!important}body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo #pdf-mini-toolbar #pdf-prev-page-btn,body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo #pdf-mini-toolbar #pdf-page-indicator,body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo #pdf-mini-toolbar #pdf-next-page-btn,body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo #pdf-mini-toolbar #pdf-next-page-btn+.pdf-mini-sep,body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #pdf-mini-toolbar #pdf-prev-page-btn,body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #pdf-mini-toolbar #pdf-page-indicator,body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #pdf-mini-toolbar #pdf-next-page-btn,body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #pdf-mini-toolbar #pdf-next-page-btn+.pdf-mini-sep{display:inline-flex!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo #pdfjs-host,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #pdfjs-host,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo #pdf-frame,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #pdf-frame{top:var(--pdf-header-height,36px);bottom:0;right:0}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo #pdfjs-host.pdf-tutor-scroll-locked,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #pdfjs-host.pdf-tutor-scroll-locked{touch-action:auto;pointer-events:auto!important;overflow:auto!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo #resize-quiz-pdf,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #resize-quiz-pdf,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #resize-pdf-ai{opacity:1!important;pointer-events:auto!important;cursor:col-resize!important;display:block!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-duo #resize-pdf-ai{display:none!important}body.pdf-tutor-transcript-open #work-area.pdf-tutor-view.pdf-tutor-quiz-view #ai-pane{pointer-events:none;-webkit-backdrop-filter:none;background:0 0}#work-area.pdf-tutor-view.pdf-tutor-quiz-view #pdf-tutor-pane,body.pdf-tutor-transcript-open #work-area.pdf-tutor-view.pdf-tutor-quiz-view #pdf-tutor-pane{display:none!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #ai-pane,body.pdf-tutor-transcript-open #work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #ai-pane{z-index:20;border-left:1px solid var(--app-border,#94a3b840);background:var(--pane-bg-elevated);pointer-events:auto;-webkit-backdrop-filter:none;width:auto;min-width:0;height:100%;position:relative;inset:auto;overflow:hidden;grid-area:1/5!important;display:flex!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #ai-header{display:flex!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #ai-pane-mode-wrap{display:inline-flex!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio.ai-pane-ask-active #ask-memora-pane-view{animation:.44s cubic-bezier(.16,1,.3,1) both pdf-tutor-quiz-ask-pane-in;display:flex!important}@keyframes pdf-tutor-quiz-ask-pane-in{0%{opacity:0;transform:translate(28px)scale(.985)}to{opacity:1;transform:translate(0,0)scale(1)}}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio.ai-pane-ask-active #ai-expl-view,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio.ai-pane-ask-active #ai-frame{display:none!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio.ai-pane-pdf-explanation-active #ai-expl-view{display:block!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio.ai-pane-pdf-explanation-active #ask-memora-pane-view,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio.ai-pane-pdf-explanation-active #ai-frame{display:none!important}body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-quiz-view #pdfjs-pages .page,body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-quiz-view #pdfjs-pages.pdf-tutor-focus-active .page,body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-quiz-view #pdfjs-pages.pdf-tutor-focus-active .page:not(.pdf-tutor-focus-page),body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-quiz-view #pdfjs-pages .page.pdf-tutor-focus-page,body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-quiz-view #pdfjs-pages .page.pdf-tutor-segment-zoomed,body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-quiz-view #pdfjs-pages .page.evidence-target-page{opacity:1!important;filter:none!important;cursor:default!important;transform:none!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view .pdf-tutor-focus-layer,#work-area.pdf-tutor-view.pdf-tutor-quiz-view .pdf-tutor-focus-region,#work-area.pdf-tutor-view.pdf-tutor-quiz-view .pdf-tutor-focus-dim-piece,#work-area.pdf-tutor-view.pdf-tutor-quiz-view .pdf-tutor-focus-dim-mask,#work-area.pdf-tutor-view.pdf-tutor-quiz-view .pdf-tutor-readout-caption,#work-area.pdf-tutor-view.pdf-tutor-quiz-view .pdf-tutor-segment-hitbox,#work-area.pdf-tutor-view.pdf-tutor-quiz-view .pdf-tutor-slide-quiz-dock,#work-area.pdf-tutor-view.pdf-tutor-quiz-view .pdf-tutor-pending-script-overlay{pointer-events:none!important;display:none!important}body.pdf-tutor-transcript-open #work-area.pdf-tutor-view .pdf-tutor-pane-title-row{justify-content:space-between;display:flex}body.pdf-tutor-transcript-open #work-area.pdf-tutor-view .pdf-tutor-pane-title-row>div:first-child{display:block!important}body.pdf-tutor-transcript-open #work-area.pdf-tutor-view .pdf-tutor-transcript-close{border-radius:8px;width:30px;min-width:30px;height:24px;min-height:24px;padding:0;font-size:1rem;line-height:1}@media (width<=720px){#work-area.pdf-tutor-view #pdf-tutor-pane{width:auto;max-width:none;inset:58px 8px 8px}}body.pdf-tutor-mode .welcome-donate,body.pdf-tutor-mode #public-tour-widget,body.pdf-tutor-mode #public-tour-launcher,body.pdf-tutor-mode #public-ask-launcher,body.pdf-tutor-mode #public-tour-card,body.pdf-tutor-mode #public-tour-overlay{opacity:0!important;visibility:hidden!important;pointer-events:none!important;z-index:-1!important}@media (width<=900px){#work-area.pdf-tutor-view{grid-template-columns:minmax(0,1fr)}#work-area.pdf-tutor-view #resize-pdf-ai{display:none}#work-area.pdf-tutor-view #pdf-pane{border-left:0;grid-column:1!important}#work-area.pdf-tutor-view.pdf-tutor-quiz-view #quiz-pane{grid-area:1/1!important}#work-area.pdf-tutor-view #pdf-pane{grid-row:1!important}}#work-area.bordered-mode.split-view-ai{background:var(--pane-bg-elevated);gap:6px;padding:6px}#work-area.bordered-mode.split-view-ai #quiz-pane,#work-area.bordered-mode.split-view-ai #ai-pane{border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 44%);box-shadow:inset 0 0 0 1px #ffffff0a, 0 0 0 1px color-mix(in srgb, var(--g1,#60a5fa) 18%, transparent), 0 0 0 1px color-mix(in srgb, var(--g2,#f472b6) 14%, transparent), 0 10px 24px #00000057;background-clip:padding-box;border-radius:12px;transition:filter 2s,border-color .3s,box-shadow .3s}#work-area.bordered-mode.split-view-ai #quiz-pane{border-right-color:color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 44%)}#work-area.bordered-mode.split-view-ai #ai-pane{border-left-color:color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 44%)}#work-area.trio-view #quiz-card:not(.is-floating),#work-area.pdf-tutor-quiz-trio #quiz-card:not(.is-floating){padding:1.5rem}#work-area.trio-view #quiz-card:not(.is-floating):not(.quiz-card-custom-width),#work-area.pdf-tutor-quiz-trio #quiz-card:not(.is-floating):not(.quiz-card-custom-width){width:min(900px,100% - 1.5rem);max-width:calc(100% - 1.5rem);margin:0 auto}#work-area.trio-view #quiz-pane,#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio #quiz-pane{isolation:isolate;z-index:140;padding:.5rem;overflow:visible auto}#work-area.trio-view .question-text,#work-area.pdf-tutor-quiz-trio .question-text{font-size:clamp(1.18rem,1.02rem + .36vw,1.38rem)}#work-area.trio-view .choice,#work-area.pdf-tutor-quiz-trio .choice{padding:.8rem 2.7rem .8rem 2.75rem;font-size:.95rem}#work-area.trio-view.pane-layout-target-duo #quiz-pane,#work-area.pdf-tutor-quiz-trio.pane-layout-target-duo #quiz-pane{border-right:1px solid var(--bd);padding:1rem}#work-area.trio-view.pane-layout-target-duo #quiz-card:not(.is-floating),#work-area.pdf-tutor-quiz-trio.pane-layout-target-duo #quiz-card:not(.is-floating){margin:0 auto 2rem;padding:2.5rem}#work-area.trio-view.pane-layout-target-duo .question-text,#work-area.pdf-tutor-quiz-trio.pane-layout-target-duo .question-text{font-size:clamp(1.5rem,1.22rem + .78vw,2.02rem)}#work-area.trio-view.pane-layout-target-duo .choice,#work-area.pdf-tutor-quiz-trio.pane-layout-target-duo .choice{padding:1.2rem 3rem 1.2rem 2.6rem;font-size:clamp(1.18rem,1.04rem + .32vw,1.36rem)}#work-area.split-view.pane-layout-target-single #quiz-pane,#work-area.split-view-ai.pane-layout-target-single #quiz-pane{border-right-color:#0000;padding:1.5rem}#pdf-header{padding:5px 8px 5px calc(8px + var(--fullscreen-clearance-left,0px));background:linear-gradient(180deg, color-mix(in srgb, var(--btn-theme-surface-strong,#0f172ab8) 56%, transparent) 0%, color-mix(in srgb, var(--btn-theme-surface,#0f172a8a) 40%, transparent) 100%);border-bottom:1px solid var(--app-border,#94a3b840);z-index:30;isolation:isolate;-webkit-backdrop-filter:blur(6px);flex-shrink:0;align-items:center;gap:6px;display:flex;position:relative;overflow:visible;box-shadow:0 6px 18px #02061747}#pdf-header .header-buttons{z-index:2;flex:none;align-items:center;gap:6px;margin-left:auto;display:flex;position:relative;overflow:visible}#pdf-header button{width:26px;min-width:26px;height:26px;min-height:26px;color:var(--btn-text-muted,var(--text-muted,#94a3b8));cursor:pointer;box-shadow:none;background:0 0;border:0;border-radius:999px;justify-content:center;align-items:center;padding:0;font-size:.9rem;transition:background .15s,color .15s;display:flex}#pdf-header button:hover,#pdf-header button:focus-visible{background:var(--btn-surface-hover,#ffffff1f);color:var(--btn-text,var(--text-main,#f8fafc));box-shadow:none;border:0;transform:none}.global-left-controls{z-index:12020;flex-direction:row;align-items:flex-start;gap:6.4px;display:flex;position:fixed;top:5px;left:8px}body.welcome-mode .global-left-controls,html.phone-device .global-left-controls,body.unsupported-phone .global-left-controls{display:none!important}.global-left-control{min-width:0;height:28.8px;min-height:28.8px;color:var(--btn-text-muted);font-family:var(--font-main,"Times New Roman", Times, serif);cursor:pointer;justify-content:flex-start;align-items:center;gap:.31rem;font-size:.773rem;font-weight:700;line-height:1;transition:opacity .2s,color .2s,filter .2s;width:auto!important;box-shadow:none!important;background:0 0!important;border:0!important;border-radius:0!important;padding:0!important;display:inline-flex!important;position:static!important}.global-left-control:hover,.global-left-control:focus-visible,.global-left-controls .welcome-donate-toggle:hover,.global-left-controls .welcome-donate[open] .welcome-donate-toggle{filter:brightness(1.16);color:var(--btn-text)!important}.global-left-control:focus-visible,.global-left-controls .welcome-donate-toggle:focus-visible{outline:2px solid color-mix(in srgb, var(--g1,#60a5fa) 62%, #fff 38%);outline-offset:4px;border-radius:4px!important}.global-left-control-icon{width:.949rem;height:.949rem;color:inherit;flex:none;justify-content:center;align-items:center;display:inline-flex}body:not(.welcome-mode) #global-home-btn,#global-home-btn{box-shadow:none;background:0 0;border:0}.global-left-controls>.global-home-btn{gap:.3565rem;height:33.12px;min-height:33.12px;font-size:.889rem}.global-left-controls>.global-home-btn .global-left-control-icon{width:1.091rem;height:1.091rem}.global-left-control-icon svg{fill:none;stroke-width:1.9px;stroke-linecap:round;stroke-linejoin:round;width:100%;height:100%;display:block}.global-left-controls .welcome-donate{align-items:flex-start;max-width:none;display:flex;position:relative;inset:auto}.global-left-controls .welcome-donate-toggle{font-family:var(--font-main,"Times New Roman", Times, serif);white-space:nowrap;font-weight:700;line-height:1;position:relative;width:auto!important;min-width:0!important;height:28.8px!important;min-height:28.8px!important;box-shadow:none!important;-webkit-backdrop-filter:none!important;color:var(--btn-text-muted)!important;background:0 0!important;border:0!important;border-radius:0!important;justify-content:flex-start!important;align-items:center!important;gap:.31rem!important;padding:0!important;font-size:.773rem!important;display:inline-flex!important}.global-left-controls .welcome-donate-toggle:after{display:none}.global-left-controls .welcome-donate-toggle svg{flex:none;display:block;width:.949rem!important;height:.949rem!important;margin:0!important}.global-left-controls .welcome-donate-card{z-index:1;margin-top:0;position:absolute;top:calc(100% + 8px);left:0}.global-left-controls>#global-fullscreen-btn{top:5px;right:var(--welcome-tour-edge,16px);position:fixed!important;left:auto!important}.global-left-controls>.welcome-donate{top:5px;right:var(--welcome-tour-edge,16px);bottom:auto;position:fixed!important;left:auto!important}.global-left-controls>.welcome-donate .welcome-donate-card{left:auto;right:0}.working-session-title{display:none}html:not(.phone-device) body:not(.welcome-mode) .working-session-title{z-index:9998;box-sizing:border-box;min-width:0;max-width:min(42vw,520px);height:26px;box-shadow:none;font-family:var(--font-main,"Times New Roman", Times, serif);background:0 0;border:0;justify-content:flex-start;align-items:flex-start;gap:.12rem;padding:4px 0 3px;line-height:1;display:none;position:fixed;top:5px;left:108px}.working-session-title-text{text-overflow:ellipsis;white-space:nowrap;letter-spacing:.01em;min-width:0;font-size:.82rem;font-weight:700;overflow:hidden}.working-session-title-edit{width:1.1rem;height:1.1rem;color:color-mix(in srgb, var(--g2,#f472b6) 62%, var(--g1,#60a5fa) 38%);cursor:pointer;transform-origin:0 100%;background:0 0;border:0;border-radius:999px;flex:none;justify-content:center;align-items:center;margin:-.18rem -.2rem 0 0;padding:.12rem;transition:color .16s,background-color .16s,transform .16s;display:inline-flex;transform:translateY(-.16em)scale(.82)}.working-session-title-edit svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:100%;height:100%;overflow:visible}.working-session-title-edit:hover,.working-session-title-edit:focus-visible{color:var(--g1,#60a5fa);background:0 0;outline:none;transform:translateY(-.16em)scale(.94)}#app-home-title-edit{margin:0 0 0 .15rem;transform:translateY(-.16em)scale(.9)}#app-home-title-edit:hover,#app-home-title-edit:focus-visible{transform:translateY(-.16em)scale(1)}body.modal-backdrop-active .working-session-title{opacity:.28;filter:saturate(.7);pointer-events:none}#pdf-header .pdf-header-icon-svg{flex:none;width:.92rem;height:.92rem;display:block}#pdf-more-btn{font-size:1rem}#pdf-more-btn .pdf-more-dots{font-size:1rem;line-height:1;display:block;transform:translateY(-.5px)}#pdf-title{text-overflow:ellipsis;white-space:nowrap;color:var(--btn-text-muted,var(--text-muted,#94a3b8));background:0 0;flex:0 0 clamp(110px,38%,340px);font-size:.72rem;font-weight:700;line-height:1.1;overflow:hidden}#pdf-mini-toolbar{scrollbar-width:none;-ms-overflow-style:none;flex:auto;justify-content:flex-end;align-items:center;gap:3px;min-width:0;display:flex;overflow-x:auto}#pdf-mini-toolbar::-webkit-scrollbar{width:0;height:0;display:none}#pdf-mini-toolbar .pdf-mini-btn{white-space:nowrap;border-radius:999px;flex:none;width:auto;min-width:24px;height:24px;padding:0 6px;font-size:.68rem;font-weight:600;line-height:1}#pdf-mini-toolbar .pdf-mini-btn:disabled{opacity:.45;cursor:not-allowed}#pdf-mini-toolbar .pdf-mini-btn.active{color:var(--text-main,#f8fafc);box-shadow:none;background:#ffffff1f;border:0}#pdf-mini-toolbar #pdf-ask-region-btn{min-width:38px}#pdf-ask-region-btn[hidden]{display:none!important}#pdf-mini-toolbar .pdf-mini-readout{text-align:center;color:#cbd5e1;font-variant-numeric:tabular-nums;white-space:nowrap;flex:none;min-width:46px;font-size:.68rem;font-weight:700}#pdf-mini-toolbar .pdf-quiz-up-to-control{flex:none;align-items:center;display:inline-flex;position:relative}#pdf-mini-toolbar .pdf-quiz-up-to-control[hidden]{display:none}#pdf-mini-toolbar .pdf-quiz-up-to-trigger{min-width:86px}.pdf-quiz-up-to-form{align-items:center;gap:3px;margin-left:2px;display:inline-flex}.pdf-quiz-up-to-form[hidden]{display:none}.pdf-quiz-up-to-input{border:1px solid color-mix(in srgb, var(--btn-theme-border,#334155) 70%, #ffffff29 30%);background:color-mix(in srgb, var(--card-bg,#0f172a) 78%, #020617 22%);width:46px;height:24px;color:var(--text-main,#e2e8f0);font:inherit;text-align:center;border-radius:7px;padding:0 5px;font-size:.68rem;font-weight:800}#pdf-mini-toolbar .pdf-quiz-up-to-apply{min-width:30px}#pdf-page-indicator{min-width:62px}.pdf-page-jump-form{justify-content:center;align-items:center;gap:2px;margin:0;display:inline-flex}.pdf-page-input{width:3.4ch;min-width:24px;height:22px;color:inherit;font:inherit;font-variant-numeric:tabular-nums;text-align:center;-moz-appearance:textfield;appearance:textfield;background:0 0;border:1px solid #0000;border-radius:5px;outline:none;padding:0 2px}.pdf-page-input::-webkit-inner-spin-button,.pdf-page-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.pdf-page-input:not(:disabled):hover,.pdf-page-input:not(:disabled):focus{background:#ffffff0d;border-color:#cbd5e13d}.pdf-page-input:not(:disabled):focus{box-shadow:0 0 0 2px #94a3b814}.pdf-page-input:disabled{opacity:.55}body.pdf-tutor-mode #pdf-mini-toolbar #pdf-prev-page-btn,body.pdf-tutor-mode #pdf-mini-toolbar #pdf-page-indicator,body.pdf-tutor-mode #pdf-mini-toolbar #pdf-next-page-btn,body.pdf-tutor-mode #pdf-mini-toolbar #pdf-quiz-up-to-control,body.pdf-tutor-mode #pdf-mini-toolbar #pdf-ask-region-btn,body.pdf-tutor-mode #pdf-mini-toolbar #pdf-nav-zoom-sep,body.pdf-tutor-mode #pdf-mini-toolbar #pdf-next-page-btn+.pdf-mini-sep{display:none}#pdf-zoom-label{min-width:46px}#pdf-mini-toolbar .pdf-mini-sep{background:#94a3b859;border-radius:999px;width:1px;height:16px;margin:0 2px}#pdf-more-wrap{z-index:6;align-items:center;display:flex;position:relative}#pdf-more-wrap.menu-open{z-index:80}#pdf-more-btn.active{color:var(--text-main,#f8fafc);box-shadow:none;background:#ffffff1f;border:0}#pdf-more-menu{z-index:80;opacity:0;visibility:hidden;pointer-events:none;transform-origin:100% 0;background:#0f172af5;border:1px solid #ffffff14;border-radius:14px;flex-direction:column;gap:4px;min-width:132px;padding:7px;transition:opacity .16s,transform .16s,visibility .16s;display:flex;position:absolute;top:calc(100% + 6px);right:0;transform:translateY(-4px)scale(.98);box-shadow:0 6px 18px #02061757}#pdf-more-menu.active{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)scale(1)}#pdf-more-menu .pdf-mini-btn{justify-content:flex-start;gap:8px;width:100%;min-width:0;height:28px;padding:0 9px;font-size:.7rem}#pdf-more-menu .pdf-mini-btn.active,#pdf-more-menu .pdf-mini-btn:hover,#pdf-more-menu .pdf-mini-btn:focus-visible{color:var(--text-main,#f8fafc);box-shadow:none;background:#ffffff1f;border:0}#pdf-more-menu .pdf-more-menu-key{min-width:22px;color:var(--btn-text,#e2e8f0);flex:0 0 22px;justify-content:center;align-items:center;font-size:.66rem;font-weight:800;display:inline-flex}#pdf-more-menu .pdf-more-menu-key .pdf-header-icon-svg{width:.82rem;height:.82rem}#pdf-more-menu .pdf-more-menu-label{color:var(--btn-text-muted,#cbd5e1);text-align:left;flex:auto;font-size:.68rem;font-weight:700}#pdfjs-host{bottom:0;left:0;right:0;top:var(--pdf-header-height,36px);scrollbar-width:none;-ms-overflow-style:none;background:0 0;outline:none;min-height:0;padding:10px 0 8px;scroll-padding-top:14px;position:absolute;overflow:auto}#pdfjs-host::-webkit-scrollbar{width:0;height:0;display:none}#pdfjs-host.pdf-tutor-guided-debrief-active{padding:0;overflow:hidden!important}.pdf-tutor-guided-debrief{z-index:120;background:radial-gradient(circle at 78% 10%, color-mix(in srgb, var(--g2,#f472b6) 18%, transparent), transparent 38%), radial-gradient(circle at 12% 18%, color-mix(in srgb, var(--g1,#60a5fa) 20%, transparent), transparent 42%), color-mix(in srgb, var(--bg-color,#020617) 94%, #0f172a 6%);grid-template-rows:minmax(0,1fr) auto;gap:12px;padding:clamp(12px,2vw,24px);animation:.24s ease-out both pdfTutorGuidedDebriefEnter;display:grid;position:absolute;inset:0}.pdf-tutor-guided-debrief-stage{place-items:center;min-height:0;display:grid}.pdf-tutor-guided-debrief-slide{isolation:isolate;aspect-ratio:16/9;border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 34%, #ffffff2e);background:radial-gradient(circle at 78% 12%, color-mix(in srgb, var(--g1,#60a5fa) 30%, transparent), transparent 34%), radial-gradient(circle at 92% 76%, color-mix(in srgb, var(--g2,#f472b6) 22%, transparent), transparent 36%), linear-gradient(120deg, #08111f 0%, #111936 56%, #2a1747 100%);border-radius:clamp(12px,1.6vw,22px);grid-template-columns:minmax(0,1fr);width:min(100%,1480px,177.78vh - 337.782px);max-height:100%;padding:clamp(30px,4vw,64px);display:grid;position:relative;overflow:hidden;box-shadow:0 28px 70px #0206177a,0 0 0 1px #ffffff0a}.pdf-tutor-guided-debrief-slide:before{content:"";z-index:-1;pointer-events:none;background:linear-gradient(90deg,#0206172e,#0000 62%);position:absolute;inset:0}.pdf-tutor-guided-debrief-content{align-self:center;width:100%;min-width:0}.pdf-tutor-guided-debrief-content h2{color:#f8fafc;letter-spacing:-.035em;text-wrap:balance;max-width:24ch;margin:0;font-family:Outfit,Inter,Arial,sans-serif;font-size:clamp(2rem,3.7vw,4rem);font-weight:850;line-height:1.04}.pdf-tutor-guided-debrief-content p{color:#b9c7de;max-width:72ch;margin:clamp(14px,1.8vw,26px) 0 0;font-size:clamp(.92rem,1.4vw,1.35rem);font-weight:650;line-height:1.42}.pdf-tutor-guided-debrief-content ul{grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(14px,1.7vw,24px) clamp(34px,5vw,76px);margin:clamp(22px,2.5vw,36px) 0 0;padding:0;list-style:none;display:grid}.pdf-tutor-guided-debrief-bullet{color:#e7edf7;transform-origin:0;max-width:none;padding-left:1.55em;font-size:clamp(.9rem,1.3vw,1.28rem);font-weight:680;line-height:1.38;transition:color .22s,transform .24s cubic-bezier(.2,.8,.2,1),text-shadow .22s,filter .22s;position:relative;transform:translate(0)scale(1)}.pdf-tutor-guided-debrief-bullet:before{content:"";background:var(--g1,#60a5fa);border-radius:999px;width:.48em;height:.48em;transition:background-color .22s,box-shadow .22s,transform .22s;position:absolute;top:.58em;left:0;box-shadow:0 0 #0000}.pdf-tutor-guided-debrief-bullet.is-active{color:color-mix(in srgb, var(--g1,#60a5fa) 62%, #fff 38%);text-shadow:0 0 12px color-mix(in srgb, var(--g1,#60a5fa) 40%, transparent), 0 0 28px color-mix(in srgb, var(--g2,#f472b6) 18%, transparent);filter:saturate(1.12);transform:translate(5px)scale(1.025)}.pdf-tutor-guided-debrief-bullet.is-active:before{background:color-mix(in srgb, var(--g1,#60a5fa) 76%, #fff 24%);box-shadow:0 0 12px color-mix(in srgb, var(--g1,#60a5fa) 72%, transparent), 0 0 24px color-mix(in srgb, var(--g2,#f472b6) 26%, transparent);transform:scale(1.22)}.pdf-tutor-guided-debrief-bar{border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 30%, #ffffff24);background:color-mix(in srgb, var(--card-bg,#0f172a) 88%, transparent);-webkit-backdrop-filter:blur(14px)saturate(112%);border-radius:14px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:18px;width:min(100%,1480px);margin:0 auto;padding:12px 14px;display:grid;box-shadow:0 18px 40px #02061752}.pdf-tutor-guided-debrief-copy{gap:0;width:100%;min-width:0;display:grid}.pdf-tutor-guided-debrief-copy small{color:var(--btn-text-muted,#a8b3c7);white-space:normal;overflow-wrap:normal;word-break:normal;scroll-behavior:smooth;scrollbar-width:none;-ms-overflow-style:none;width:100%;height:4.35em;max-height:4.35em;padding-right:2px;font-size:.72rem;font-weight:600;line-height:1.45;display:block;overflow:hidden}.pdf-tutor-guided-debrief-copy small::-webkit-scrollbar{width:0;height:0;display:none}.pdf-tutor-guided-debrief-transcript-line{white-space:normal;min-width:0;min-height:1.45em;display:block}.pdf-tutor-guided-debrief-word{color:color-mix(in srgb, var(--text-main,#f8fafc) 56%, #94a3b8 44%);opacity:.72;margin-right:.28em;transition:color .17s,opacity .17s,background-color .17s,text-shadow .17s;display:inline-block}.pdf-tutor-guided-debrief-word.is-spoken{color:color-mix(in srgb, var(--g1,#60a5fa) 60%, #fff 40%);opacity:.96;text-shadow:0 0 10px color-mix(in srgb, var(--g1,#60a5fa) 20%, transparent)}.pdf-tutor-guided-debrief-word.is-current{color:#fff;background:color-mix(in srgb, var(--g1,#60a5fa) 18%, transparent);text-shadow:0 0 12px color-mix(in srgb, var(--g1,#60a5fa) 34%, transparent), 0 0 20px color-mix(in srgb, var(--g2,#f472b6) 16%, transparent);border-radius:.3em}.pdf-tutor-guided-debrief-actions{flex:none;align-items:center;gap:8px;display:flex}@keyframes pdfTutorGuidedDebriefEnter{0%{opacity:0;transform:scale(.992)}to{opacity:1;transform:scale(1)}}@media (width>=721px) and (height<=780px){.pdf-tutor-guided-debrief-slide{padding:clamp(24px,3vw,44px)}.pdf-tutor-guided-debrief-content h2{font-size:clamp(1.8rem,3.2vw,3.2rem)}.pdf-tutor-guided-debrief-content p{margin-top:12px;font-size:clamp(.86rem,1.1vw,1.08rem)}.pdf-tutor-guided-debrief-content ul{row-gap:12px;margin-top:18px}.pdf-tutor-guided-debrief-bullet{font-size:clamp(.82rem,1vw,1rem);line-height:1.3}}@media (width<=720px){.pdf-tutor-guided-debrief{gap:8px;padding:8px}.pdf-tutor-guided-debrief-bar{grid-template-columns:minmax(0,1fr);align-items:stretch;gap:9px;padding:10px}.pdf-tutor-guided-debrief-actions{grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.pdf-tutor-guided-debrief-actions button{min-width:0;padding-inline:8px}.pdf-tutor-guided-debrief-copy small{height:5.8em;max-height:5.8em}.pdf-tutor-guided-debrief-slide{aspect-ratio:auto;grid-template-columns:1fr;width:100%;height:100%;padding:clamp(22px,6vw,38px);overflow-y:auto}.pdf-tutor-guided-debrief-content h2{font-size:clamp(1.75rem,8vw,2.8rem)}.pdf-tutor-guided-debrief-content p{margin-top:14px}.pdf-tutor-guided-debrief-content ul{grid-template-columns:minmax(0,1fr);gap:10px;margin-top:18px}.pdf-tutor-guided-debrief-bullet{font-size:.88rem}}#work-area.pdf-tutor-view.pdf-tutor-study-guide-duo #pdf-pane{display:block!important}#work-area.pdf-tutor-view.pdf-tutor-study-guide-duo #pdf-study-guide-host{border-right:0}#work-area.pdf-tutor-view.pdf-tutor-study-guide-duo #pdfjs-host{display:block!important}#work-area.pdf-tutor-view.pdf-tutor-study-guide-duo.pdf-tutor-study-guide-swapped #pdf-study-guide-host{border-left:0;border-right:0}#work-area.pdf-tutor-view.pdf-tutor-study-guide-duo.pdf-tutor-study-guide-swapped #pdfjs-host{display:block!important}:root{--study-guide-theme-accent:color-mix(in srgb, var(--btn-theme-border,color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 44%)) 78%, var(--text-main,#f8fafc) 22%);--study-guide-theme-accent-strong:color-mix(in srgb, var(--btn-theme-border,color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 44%)) 88%, var(--text-main,#f8fafc) 12%);--study-guide-theme-accent-muted:color-mix(in srgb, var(--btn-theme-border,color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 44%)) 34%, var(--btn-text-muted,#a8b3c7) 66%);--study-guide-theme-tint:color-mix(in srgb, var(--btn-theme-border,color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 44%)) 16%, transparent);--study-guide-theme-tint-strong:color-mix(in srgb, var(--btn-theme-border,color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 44%)) 26%, transparent);--study-guide-theme-surface:color-mix(in srgb, var(--btn-surface,#0f172a9e) 86%, var(--btn-theme-border,color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 44%)) 14%);--study-guide-color-primary:var(--study-guide-theme-accent-strong);--study-guide-color-secondary:var(--study-guide-theme-accent);--study-guide-color-tertiary:color-mix(in srgb, var(--study-guide-theme-accent) 78%, var(--study-guide-reading-ink,#f8fafc) 22%);--study-guide-color-warm:color-mix(in srgb, var(--study-guide-theme-accent) 78%, var(--study-guide-theme-accent-muted) 22%);--study-guide-color-critical:color-mix(in srgb, var(--study-guide-theme-accent) 84%, var(--g2,var(--study-guide-theme-accent)) 16%);--study-guide-reading-ink:color-mix(in srgb, var(--text-main,#e2e8f0) 96%, #fff 4%);--study-guide-reading-muted:color-mix(in srgb, var(--text-main,#e2e8f0) 86%, #cbd5e1 14%)}.pdf-study-guide-host{--pdf-study-guide-fade-height:clamp(42px, 7vh, 68px);--pdf-study-guide-surface-background:var(--pdf-study-guide-custom-background,var(--pdf-tutor-page-bg,#0f172a));--sg-structure:color-mix(in srgb, var(--study-guide-theme-accent,var(--btn-theme-border,var(--g1,#60a5fa))) var(--sg-accent-intensity), var(--study-guide-reading-ink,var(--text-main,#e2e8f0)));--sg-structure-text:color-mix(in srgb, var(--study-guide-theme-accent-strong,var(--sg-structure)) 44%, var(--study-guide-reading-ink,var(--text-main,#e2e8f0)) 56%);--study-guide-theme-surface:color-mix(in srgb, var(--pdf-study-guide-surface-background) 92%, var(--sg-structure) 8%);--card-bg:var(--study-guide-theme-surface);--panel-bg:var(--study-guide-theme-surface);--btn-surface:var(--study-guide-theme-surface);--sg-surface:color-mix(in srgb, var(--pdf-study-guide-surface-background) 94%, var(--sg-structure) 6%);--sg-header-surface:color-mix(in srgb, var(--sg-structure) var(--sg-header-intensity), var(--pdf-study-guide-surface-background));--sg-container-surface:color-mix(in srgb, var(--sg-structure) var(--sg-container-intensity), var(--pdf-study-guide-surface-background));--sg-border:color-mix(in srgb, var(--sg-structure) var(--sg-border-intensity), var(--study-guide-reading-muted,var(--btn-text-muted,#a8b3c7)));--sg-emphasis-tint:color-mix(in srgb, color-mix(in srgb, var(--study-guide-theme-surface) 88%, var(--g2,var(--sg-structure)) 12%) 94%, var(--sg-structure) 6%);--sg-emphasis-text:color-mix(in srgb, var(--study-guide-reading-ink,var(--text-main,#e2e8f0)) 84%, var(--g2,var(--sg-structure)) 16%);--sg-emphasis-border:color-mix(in srgb, color-mix(in srgb, var(--g2,var(--sg-structure)) 65%, var(--sg-structure) 35%) 72%, var(--study-guide-reading-ink,var(--text-main,#e2e8f0)) 28%);bottom:0;left:0;right:0;top:var(--pdf-header-height,36px);background:linear-gradient(180deg, color-mix(in srgb, var(--pdf-study-guide-surface-background) 96%, var(--sg-structure) 4%) 0%, color-mix(in srgb, var(--pdf-study-guide-surface-background) 98%, var(--sg-emphasis-border) 2%) 100%);min-height:0;color:var(--study-guide-reading-ink,var(--text-main,#e2e8f0));font-family:var(--font-main,"Times New Roman", Times, serif);overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#94a3b83d transparent;-webkit-mask-image:linear-gradient(to bottom, #000 0%, #000 calc(100% - var(--pdf-study-guide-fade-height)), #000000c7 100%);mask-image:linear-gradient(to bottom, #000 0%, #000 calc(100% - var(--pdf-study-guide-fade-height)), #000000c7 100%);outline:none;padding:24px 32px max(34vh,96px);line-height:1.62;position:absolute;overflow:hidden auto}#work-area.pdf-tutor-view #pdfjs-host,#work-area.pdf-tutor-view #pdf-study-guide-host{opacity:1;visibility:visible;pointer-events:auto;will-change:opacity, transform;transition:opacity .21s,transform .26s cubic-bezier(.22,1,.36,1),visibility linear;transform:translateY(0);display:block!important}#work-area.pdf-tutor-view:not(.pdf-tutor-study-guide-active) #pdfjs-host,#work-area.pdf-tutor-view.pdf-tutor-study-guide-active #pdf-study-guide-host{z-index:2}#work-area.pdf-tutor-view:not(.pdf-tutor-study-guide-active) #pdf-study-guide-host,#work-area.pdf-tutor-view.pdf-tutor-study-guide-active #pdfjs-host{z-index:1;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .17s,transform .21s,visibility 0s linear .21s;transform:translateY(7px)}#work-area.pdf-tutor-view:not(.pdf-tutor-study-guide-active) #pdfjs-host.pdf-tutor-surface-entering,#work-area.pdf-tutor-view.pdf-tutor-study-guide-active #pdf-study-guide-host.pdf-tutor-surface-entering{animation:.3s cubic-bezier(.22,1,.36,1) both pdf-tutor-surface-enter}.pdf-tutor-flashcards-host{inset:var(--pdf-header-height,36px) 0 0;background:var(--pdf-tutor-page-bg,#0f172a);min-height:0;color:var(--text-main,#e2e8f0);overscroll-behavior:contain;-ms-overflow-style:none;scrollbar-width:none;outline:none;padding:clamp(16px,3vw,30px) clamp(12px,3.5vw,36px) max(12vh,48px);position:absolute;overflow:hidden auto}.pdf-tutor-flashcards-host::-webkit-scrollbar{display:none}#work-area.pdf-tutor-view #pdf-tutor-flashcards-host{z-index:1;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .17s,transform .21s,visibility 0s linear .21s;transform:translateY(7px);display:block!important}#work-area.pdf-tutor-view.pdf-tutor-flashcards-active #pdf-tutor-flashcards-host{z-index:3;opacity:1;visibility:visible;pointer-events:auto;transition:opacity .21s,transform .26s cubic-bezier(.22,1,.36,1),visibility linear;transform:translateY(0)}#work-area.pdf-tutor-view.pdf-tutor-flashcards-active #pdfjs-host,#work-area.pdf-tutor-view.pdf-tutor-flashcards-active #pdf-study-guide-host{z-index:1;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(7px)}#work-area.pdf-tutor-view.pdf-tutor-flashcards-active #pdf-tutor-flashcards-host.pdf-tutor-surface-entering{animation:.3s cubic-bezier(.22,1,.36,1) both pdf-tutor-surface-enter}#pdf-tutor-flashcards-host #flashcard-container{width:min(1200px,100%);max-width:1200px;margin:0 auto;padding-bottom:0}#pdf-tutor-flashcards-host .fc-controls>div:nth-child(2){display:none}#pdf-tutor-flashcards-host .pdf-tutor-flashcards-loading{top:0}@keyframes pdf-tutor-surface-enter{0%{opacity:0;transform:translateY(8px)scale(.997)}to{opacity:1;transform:translateY(0)scale(1)}}.pdf-study-guide-inner{--study-guide-table-zoom-delay:1s;--study-guide-table-zoom-duration:.34s;--study-guide-table-zoom-ease:cubic-bezier(.22, 1, .36, 1);width:min(980px,100%);margin:0 auto;transition:width .64s cubic-bezier(.22,1,.36,1),margin-left .64s cubic-bezier(.22,1,.36,1),margin-right .64s cubic-bezier(.22,1,.36,1)}.pdf-study-guide-host :is(.pdf-study-guide-content .dd-section-header,.pdf-study-guide-image-card,.pdf-study-guide-evidence-card,.pdf-study-guide-evidence-preview){text-shadow:none!important;box-shadow:none!important;filter:none!important;animation:none!important}.pdf-study-guide-host.is-scrolling :is(.pdf-study-guide-content .dd-section-header,.study-guide-text-highlight,.study-guide-defined-term,.pdf-study-guide-image-card,.pdf-study-guide-evidence-card,.pdf-study-guide-evidence-preview,.study-guide-heading-toggle){text-shadow:none!important;box-shadow:none!important;filter:none!important;transition:none!important;animation:none!important}.pdf-study-guide-host.is-scrolling .pdf-study-guide-evidence-preview:after{display:none}.pdf-study-guide-host.is-scrolling .pdf-study-guide-evidence-preview img{transition:none!important}.pdf-study-guide-host.is-scrolling .study-guide-process-arrow:before,.pdf-study-guide-host.is-scrolling .study-guide-mechanism-chain .study-guide-process-arrow:before{text-shadow:none!important;filter:none!important;transition:none!important;animation:none!important}.pdf-study-guide-host.is-scrolling :is(.pdf-study-guide-image-controls,.study-guide-inline-chat-card,.study-guide-definition-tooltip,.study-guide-ask-tooltip){-webkit-backdrop-filter:none!important}.pdf-study-guide-inner.pdf-study-guide-evidence-open{width:calc(100% + 64px);max-width:none;margin-inline:-32px}.pdf-study-guide-stage{grid-template-columns:minmax(0,1fr);justify-content:center;align-items:start;gap:0;width:100%;min-width:0;transition:grid-template-columns .64s cubic-bezier(.22,1,.36,1),gap .64s cubic-bezier(.22,1,.36,1);display:grid}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage{grid-template-columns:minmax(0,1fr);justify-content:stretch;gap:0}.pdf-study-guide-main{min-width:0;max-width:100%;transition:transform .64s cubic-bezier(.22,1,.36,1);overflow:visible}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-main{box-sizing:border-box;grid-area:1/1;justify-self:center;width:min(980px,100%);padding-inline-end:300px}@property --sg-outline-w{syntax:"<length>";inherits:true;initial-value:52px}.pdf-study-guide-stage:has(>.pdf-study-guide-outline){--sg-outline-w:52px;grid-template-columns:var(--sg-outline-w) minmax(0, 1fr);justify-content:stretch;gap:18px;transition:--sg-outline-w .3s cubic-bezier(.22,1,.36,1),gap .3s cubic-bezier(.22,1,.36,1)}.pdf-study-guide-stage:has(>.pdf-study-guide-outline.is-expanded){--sg-outline-w:232px;gap:24px}.pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-main,.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-main{grid-area:1/2;justify-self:stretch;width:100%}.pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-outline{min-width:var(--sg-outline-w,52px)}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline){--sg-outline-w:52px;grid-template-columns:var(--sg-outline-w) minmax(0, 1fr);gap:18px;transition:--sg-outline-w .3s cubic-bezier(.22,1,.36,1),gap .3s cubic-bezier(.22,1,.36,1)}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline.is-expanded){--sg-outline-w:232px;grid-template-columns:var(--sg-outline-w) minmax(0, 1fr);gap:24px}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-evidence-rail{grid-area:1/2}.pdf-study-guide-outline{--sg-outline-nudge:22px;--sg-outline-open-w:232px;top:calc(50% + var(--sg-outline-nudge));z-index:3;overscroll-behavior:auto;min-width:0;max-height:none;box-shadow:none;scrollbar-width:none;background:0 0;border:1px solid #0000;border-radius:14px;grid-area:1/1;align-self:start;padding:4px;transition:top .3s cubic-bezier(.22,1,.36,1),transform .3s cubic-bezier(.22,1,.36,1),max-height .3s cubic-bezier(.22,1,.36,1),padding .3s cubic-bezier(.22,1,.36,1),border-color .2s,background .2s,box-shadow .2s;position:sticky;overflow:visible;transform:translateY(-50%)}.pdf-study-guide-outline.is-expanded{max-height:calc(100dvh - var(--pdf-header-height,46px) - 116px);overscroll-behavior:contain;border-color:color-mix(in srgb, var(--study-guide-theme-accent) 24%, #ffffff1f 76%);background:color-mix(in srgb, var(--pdf-tutor-page-bg,#0f172a) 94%, var(--study-guide-theme-accent) 6%);padding:12px;top:64px;overflow:hidden auto;transform:none;box-shadow:0 14px 34px #02061729}.pdf-study-guide-outline.is-expanded .pdf-study-guide-outline-body{width:calc(var(--sg-outline-open-w,232px) - 26px)}.pdf-study-guide-outline::-webkit-scrollbar{width:0;height:0;display:none}.pdf-study-guide-outline-head{place-items:center;margin-bottom:8px;display:grid}.pdf-study-guide-outline.is-expanded .pdf-study-guide-outline-head{justify-content:space-between;align-items:center;gap:9px;margin-bottom:10px;display:flex}.pdf-study-guide-outline-title{opacity:0;visibility:hidden;color:var(--btn-text,#f8fafc);letter-spacing:.04em;text-transform:uppercase;font-size:.82rem;font-weight:900;position:absolute;transform:translate(-6px)}.pdf-study-guide-outline-count{opacity:0;visibility:hidden;color:var(--btn-text-muted,#cbd5e1);white-space:nowrap;margin-left:auto;font-size:.68rem;font-weight:760;position:absolute;transform:translate(-6px)}.pdf-study-guide-outline :is(.pdf-study-guide-outline-title,.pdf-study-guide-outline-count){pointer-events:none;transition:opacity .15s,transform .22s cubic-bezier(.22,1,.36,1),visibility 0s linear .15s}.pdf-study-guide-outline.is-expanded :is(.pdf-study-guide-outline-title,.pdf-study-guide-outline-count){opacity:1;visibility:visible;pointer-events:auto;transition-delay:.17s,.17s,0s;position:static;transform:translate(0)}.pdf-study-guide-outline-toggle{border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 24%, #ffffff1f 76%);background:color-mix(in srgb, var(--pdf-tutor-page-bg,#0f172a) 72%, transparent);width:34px;height:34px;color:color-mix(in srgb, var(--study-guide-theme-accent) 58%, var(--btn-text-muted,#cbd5e1) 42%);cursor:pointer;border-radius:11px;flex:none;place-items:center;padding:0;transition:color .16s,border-color .16s,background .16s;display:grid}.pdf-study-guide-outline-toggle:hover,.pdf-study-guide-outline-toggle:focus-visible{border-color:color-mix(in srgb, var(--study-guide-theme-accent) 56%, #ffffff29 44%);background:color-mix(in srgb, var(--study-guide-theme-accent) 10%, transparent);color:var(--btn-text,#f8fafc);outline:none}.pdf-study-guide-outline-toggle:focus-visible{box-shadow:0 0 0 2px color-mix(in srgb, var(--study-guide-theme-accent) 22%, transparent)}.pdf-study-guide-outline-toggle>span,.pdf-study-guide-outline-toggle>span:before,.pdf-study-guide-outline-toggle>span:after{background:currentColor;border-radius:999px;width:14px;height:2px;transition:top .16s,transform .16s,background .16s}.pdf-study-guide-outline-toggle>span{position:relative}.pdf-study-guide-outline-toggle>span:before,.pdf-study-guide-outline-toggle>span:after{content:"";position:absolute;left:0}.pdf-study-guide-outline-toggle>span:before{top:-4px}.pdf-study-guide-outline-toggle>span:after{top:4px}.pdf-study-guide-outline.is-expanded .pdf-study-guide-outline-toggle>span{background:0 0}.pdf-study-guide-outline.is-expanded .pdf-study-guide-outline-toggle>span:before{top:0;transform:rotate(45deg)}.pdf-study-guide-outline.is-expanded .pdf-study-guide-outline-toggle>span:after{top:0;transform:rotate(-45deg)}.pdf-study-guide-outline-search{opacity:0;visibility:hidden;pointer-events:none;width:100%;min-width:0;max-height:0;color:var(--btn-text,#f8fafc);background:color-mix(in srgb, var(--pdf-tutor-page-bg,#0f172a) 88%, transparent);font:inherit;border:0 solid #0000;border-radius:10px;outline:none;margin:0;padding:0 10px;font-size:.74rem;transition:max-height .18s cubic-bezier(.22,1,.36,1),margin .18s cubic-bezier(.22,1,.36,1),padding .18s cubic-bezier(.22,1,.36,1),border-width .18s,opacity .15s,transform .22s cubic-bezier(.22,1,.36,1),visibility 0s linear .15s;display:block;overflow:hidden;transform:translate(-6px)}.pdf-study-guide-outline.is-expanded .pdf-study-guide-outline-search{border-width:1px;border-color:color-mix(in srgb, var(--study-guide-theme-accent) 24%, #94a3b852 76%);opacity:1;visibility:visible;pointer-events:auto;max-height:38px;margin:0 0 10px;padding:8px 10px;transition-delay:0s,0s,0s,0s,.17s,.17s,0s;transform:translate(0)}.pdf-study-guide-outline-search:focus-visible{border-color:color-mix(in srgb, var(--study-guide-theme-accent) 72%, white 28%);box-shadow:0 0 0 2px color-mix(in srgb, var(--study-guide-theme-accent) 20%, transparent)}.pdf-study-guide-outline-list{justify-items:center;gap:2px;display:grid}.pdf-study-guide-outline.is-expanded .pdf-study-guide-outline-list{justify-items:stretch;gap:5px}.pdf-study-guide-outline-item{--outline-progress:0%;width:100%;min-width:0;height:14px;color:var(--btn-text-muted,#cbd5e1);text-align:left;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:5px;place-items:center;padding:2px 4px;transition:color .16s,border-color .16s,background .16s,transform .16s;display:grid;position:relative}.pdf-study-guide-outline.is-expanded .pdf-study-guide-outline-item{place-items:initial;border-radius:10px;grid-template-rows:auto auto;grid-template-columns:8px minmax(0,1fr);gap:3px 9px;height:auto;padding:8px 8px 8px 6px;display:grid}.pdf-study-guide-outline-item:hover,.pdf-study-guide-outline-item:focus-visible{color:var(--btn-text,#f8fafc);border-color:color-mix(in srgb, var(--study-guide-theme-accent) 28%, transparent);background:color-mix(in srgb, var(--study-guide-theme-accent) 9%, transparent)}.pdf-study-guide-outline-item:focus-visible{outline:2px solid color-mix(in srgb, var(--study-guide-theme-accent) 58%, transparent);outline-offset:1px}.pdf-study-guide-outline-item.is-active{color:var(--btn-text,#f8fafc);border-color:color-mix(in srgb, var(--study-guide-theme-accent) 44%, transparent);background:color-mix(in srgb, var(--study-guide-theme-accent) 14%, transparent)}.pdf-study-guide-outline.is-expanded .pdf-study-guide-outline-item.is-active{transform:translate(2px)}.pdf-study-guide-outline-progress{--tick-w:26px;--tick-mag:1;width:calc(var(--tick-w) * var(--tick-mag));transform-origin:50%;filter:brightness();background:linear-gradient(to right, var(--study-guide-theme-accent) 0 var(--outline-progress), color-mix(in srgb, var(--btn-text-muted,#cbd5e1) 18%, transparent) var(--outline-progress) 100%);border-radius:999px;height:3px;min-height:0;transition:width .2s cubic-bezier(.22,1,.36,1),height .2s cubic-bezier(.22,1,.36,1),transform .2s cubic-bezier(.34,1.56,.64,1),box-shadow .2s,filter .16s,background .16s;display:block;transform:scale(1);box-shadow:0 0 #0000}.pdf-study-guide-outline-item[data-study-guide-outline-level="2"] .pdf-study-guide-outline-progress{--tick-w:22px}.pdf-study-guide-outline-item[data-study-guide-outline-level="3"] .pdf-study-guide-outline-progress{--tick-w:18px}.pdf-study-guide-outline-item[data-study-guide-outline-level="4"] .pdf-study-guide-outline-progress{--tick-w:14px}.pdf-study-guide-outline-item.is-active .pdf-study-guide-outline-progress{--tick-mag:1.16;height:4px}.pdf-study-guide-outline:not(.is-expanded) .pdf-study-guide-outline-item:is(:hover,:focus-visible){background:0 0;border-color:#0000;transform:none}.pdf-study-guide-outline:not(.is-expanded) .pdf-study-guide-outline-list>.pdf-study-guide-outline-item:is(:hover,:focus-visible) .pdf-study-guide-outline-progress{--tick-mag:1.62;width:max(calc(var(--tick-w) * var(--tick-mag)), 38px);filter:brightness(1.42);height:5px;box-shadow:0 0 12px color-mix(in srgb, var(--study-guide-theme-accent) 46%, transparent);background:linear-gradient(to right, var(--study-guide-theme-accent) 0 var(--outline-progress), color-mix(in srgb, var(--btn-text,#f8fafc) 46%, transparent) var(--outline-progress) 100%);transform:translate(8px)}.pdf-study-guide-outline:not(.is-expanded) .pdf-study-guide-outline-list>.pdf-study-guide-outline-item:is(:hover,:focus-visible)+.pdf-study-guide-outline-item .pdf-study-guide-outline-progress,.pdf-study-guide-outline:not(.is-expanded) .pdf-study-guide-outline-list>.pdf-study-guide-outline-item:has(+.pdf-study-guide-outline-item:is(:hover,:focus-visible)) .pdf-study-guide-outline-progress{--tick-mag:1.34;filter:brightness(1.18);background:linear-gradient(to right, var(--study-guide-theme-accent) 0 var(--outline-progress), color-mix(in srgb, var(--btn-text,#f8fafc) 26%, transparent) var(--outline-progress) 100%);height:4px;transform:translate(5px)}.pdf-study-guide-outline:not(.is-expanded) .pdf-study-guide-outline-list>.pdf-study-guide-outline-item:is(:hover,:focus-visible)+.pdf-study-guide-outline-item+.pdf-study-guide-outline-item .pdf-study-guide-outline-progress,.pdf-study-guide-outline:not(.is-expanded) .pdf-study-guide-outline-list>.pdf-study-guide-outline-item:has(+.pdf-study-guide-outline-item+.pdf-study-guide-outline-item:is(:hover,:focus-visible)) .pdf-study-guide-outline-progress{--tick-mag:1.14;filter:brightness(1.07)}.pdf-study-guide-outline.is-morphing .pdf-study-guide-outline-progress,.pdf-study-guide-outline.is-morphing .pdf-study-guide-outline-item{transition:none}.pdf-study-guide-outline.is-expanded .pdf-study-guide-outline-item:is(:hover,:focus-visible) .pdf-study-guide-outline-progress{filter:brightness(1.28);width:7px;box-shadow:0 0 10px color-mix(in srgb, var(--study-guide-theme-accent) 38%, transparent);transform:scaleY(1.04)}.pdf-study-guide-outline.is-expanded .pdf-study-guide-outline-progress{background:linear-gradient(to bottom, var(--study-guide-theme-accent) 0 var(--outline-progress), color-mix(in srgb, var(--btn-text-muted,#cbd5e1) 18%, transparent) var(--outline-progress) 100%);grid-area:1/1/span 2;place-self:stretch center;width:4px;height:auto;min-height:28px}.pdf-study-guide-outline-item.is-read .pdf-study-guide-outline-progress{box-shadow:0 0 0 1px color-mix(in srgb, var(--study-guide-theme-accent) 38%, transparent)}.pdf-study-guide-outline-label{opacity:0;visibility:hidden;overflow-wrap:anywhere;grid-area:1/2;min-width:0;font-size:.76rem;font-weight:780;line-height:1.28;position:absolute;transform:translate(-5px)}.pdf-study-guide-outline-slides{opacity:0;visibility:hidden;color:color-mix(in srgb, var(--btn-text-muted,#cbd5e1) 78%, transparent);grid-area:2/2;font-size:.66rem;font-weight:720;line-height:1.2;position:absolute;transform:translate(-5px)}.pdf-study-guide-outline :is(.pdf-study-guide-outline-label,.pdf-study-guide-outline-slides){pointer-events:none;transition:opacity .15s,transform .22s cubic-bezier(.22,1,.36,1),visibility 0s linear .15s}.pdf-study-guide-outline.is-expanded :is(.pdf-study-guide-outline-label,.pdf-study-guide-outline-slides){opacity:1;visibility:visible;pointer-events:auto;transition-delay:.17s,.17s,0s;position:static;transform:translate(0)}.pdf-study-guide-outline.is-collapsing :is(.pdf-study-guide-outline-label,.pdf-study-guide-outline-slides,.pdf-study-guide-outline-title,.pdf-study-guide-outline-count){opacity:0;transition-duration:.12s,.12s,0s;transition-delay:0s,0s,.12s;transform:translate(-4px)}.pdf-study-guide-outline.is-collapsing .pdf-study-guide-outline-search{opacity:0;transition-delay:0s;transform:translate(-4px)}.pdf-study-guide-outline-item[data-study-guide-outline-mastery]{--study-guide-mastery-color:transparent}.pdf-study-guide-outline-item[data-study-guide-outline-mastery=strong]{--study-guide-mastery-color:var(--success,#4ade80)}.pdf-study-guide-outline-item[data-study-guide-outline-mastery=mixed]{--study-guide-mastery-color:var(--warning,#fbbf24)}.pdf-study-guide-outline-item[data-study-guide-outline-mastery=weak]{--study-guide-mastery-color:var(--danger,#f87171)}.pdf-study-guide-outline-item[data-study-guide-outline-mastery]:after{content:"";border:1px solid color-mix(in srgb, var(--study-guide-mastery-color) 76%, transparent);background:color-mix(in srgb, var(--study-guide-mastery-color) 16%, transparent);width:8px;height:8px;color:var(--study-guide-mastery-color);border-radius:999px;place-items:center;font-size:.56rem;font-weight:950;line-height:1;display:grid;position:absolute;top:50%;left:0;transform:translateY(-50%)}.pdf-study-guide-outline-item[data-study-guide-outline-mastery=untested]:after{content:"•";color:color-mix(in srgb, var(--btn-text-muted,#cbd5e1) 52%, transparent);background:0 0;border-color:#0000}.pdf-study-guide-outline-item[data-study-guide-outline-mastery=strong]:after{content:"✓"}.pdf-study-guide-outline-item[data-study-guide-outline-mastery=mixed]:after{content:"◆"}.pdf-study-guide-outline-item[data-study-guide-outline-mastery=weak]:after{content:"!"}.pdf-study-guide-outline.is-expanded .pdf-study-guide-outline-item[data-study-guide-outline-mastery]{border-left-color:color-mix(in srgb, var(--study-guide-mastery-color) 74%, transparent);grid-template-columns:8px minmax(0,1fr) auto}.pdf-study-guide-outline.is-expanded .pdf-study-guide-outline-item[data-study-guide-outline-mastery]:after{grid-area:1/3/span 2;place-self:center end;width:16px;height:16px;position:static;transform:none}.pdf-study-guide-outline:not(:has(.pdf-study-guide-outline-toggle)) .pdf-study-guide-outline-item[data-study-guide-outline-mastery]{border-left-color:color-mix(in srgb, var(--study-guide-mastery-color) 74%, transparent);grid-template-columns:8px minmax(0,1fr) auto}.pdf-study-guide-outline:not(:has(.pdf-study-guide-outline-toggle)) .pdf-study-guide-outline-item[data-study-guide-outline-mastery]:after{grid-area:1/3/span 2;place-self:center end;width:16px;height:16px;position:static;transform:none}.pdf-study-guide-outline-empty{color:var(--btn-text-muted,#cbd5e1);text-align:center;padding:14px 8px 6px;font-size:.73rem;font-weight:720;display:none}.pdf-study-guide-outline.is-expanded .pdf-study-guide-outline-empty:not([hidden]){display:block}.pdf-study-guide-outline-tooltip{z-index:10050;border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 46%, #ffffff29 54%);background:linear-gradient(145deg, color-mix(in srgb, var(--study-guide-theme-accent) 10%, transparent), transparent 66%), color-mix(in srgb, var(--pdf-tutor-page-bg,#0f172a) 94%, #020617 6%);width:max-content;max-width:min(280px,100vw - 24px);color:var(--text-main,#f8fafc);font-family:var(--font-main,system-ui, sans-serif);opacity:0;visibility:hidden;transform-origin:0;pointer-events:none;border-radius:10px;gap:3px;padding:9px 11px;line-height:1.28;transition:opacity .14s,transform .18s cubic-bezier(.22,1,.36,1),visibility 0s linear .18s;display:grid;position:fixed;transform:translate(-6px)scale(.98);box-shadow:0 14px 34px #02061757,inset 0 1px #ffffff14}.pdf-study-guide-outline-tooltip.is-visible{opacity:1;visibility:visible;transition-delay:0s;transform:translate(0)scale(1)}.pdf-study-guide-outline-tooltip-title{color:color-mix(in srgb, var(--study-guide-theme-accent) 62%, var(--text-main,#f8fafc) 38%);overflow-wrap:anywhere;font-size:.78rem;font-weight:900}.pdf-study-guide-outline-tooltip-meta{color:var(--btn-text-muted,#cbd5e1);overflow-wrap:anywhere;font-size:.68rem;font-weight:720}@property --pdf-study-guide-source-fade-edge{syntax:"<length>";inherits:false;initial-value:132px}@property --pdf-study-guide-source-fade-width{syntax:"<length>";inherits:false;initial-value:48px}.pdf-study-guide-evidence-rail{--pdf-study-guide-source-fade-edge:132px;--pdf-study-guide-source-fade-width:48px;z-index:4;width:276px;max-width:none;max-height:calc(100dvh - var(--pdf-header-height,46px) - 52px);overscroll-behavior:contain;box-sizing:border-box;scrollbar-width:none;clip-path:inset(0 0 0 132px);min-width:0;-webkit-mask-image:linear-gradient(to right, transparent var(--pdf-study-guide-source-fade-edge), #000 calc(var(--pdf-study-guide-source-fade-edge) + var(--pdf-study-guide-source-fade-width)));mask-image:linear-gradient(to right, transparent var(--pdf-study-guide-source-fade-edge), #000 calc(var(--pdf-study-guide-source-fade-edge) + var(--pdf-study-guide-source-fade-width)));outline:none;grid-area:1/1;place-self:start end;padding:2px 0 18px 2px;transition:clip-path .52s cubic-bezier(.22,1,.36,1),--pdf-study-guide-source-fade-edge .52s cubic-bezier(.22,1,.36,1),--pdf-study-guide-source-fade-width .42s cubic-bezier(.22,1,.36,1);position:sticky;top:14px;overflow:hidden auto}.pdf-study-guide-stage:has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within)) .pdf-study-guide-evidence-rail{--pdf-study-guide-source-fade-edge:0px;--pdf-study-guide-source-fade-width:0px;clip-path:inset(0)}@media (hover:hover) and (pointer:fine){body.ask-ai-close-source-hover-guard .pdf-study-guide-evidence-rail{pointer-events:none!important}}.pdf-study-guide-evidence-rail::-webkit-scrollbar{width:0;height:0;display:none}.pdf-study-guide-evidence-panel{box-sizing:border-box;border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 24%, #ffffff1f 76%);background:color-mix(in srgb, var(--pdf-tutor-page-bg,#0f172a) 94%, var(--study-guide-theme-accent) 6%);opacity:1;border-radius:16px;width:276px;max-width:none;min-height:0;padding:12px 10px 18px;transform:none;box-shadow:-8px 0 24px #02061733}.pdf-study-guide-evidence-head{gap:3px;margin-bottom:12px;padding:0 2px;display:grid}.pdf-study-guide-evidence-kicker{color:color-mix(in srgb, var(--study-guide-theme-accent) 58%, var(--text-main,#f8fafc) 42%);letter-spacing:0;text-transform:uppercase;font-size:.72rem;font-weight:950}.pdf-study-guide-evidence-title{color:var(--text-main,#f8fafc);font-size:.98rem;font-weight:950;line-height:1.18}.pdf-study-guide-evidence-meta{color:var(--btn-text-muted,#a8b3c7);font-size:.76rem;font-weight:760}.pdf-study-guide-evidence-list{gap:10px;padding-right:0;display:grid}.pdf-study-guide-evidence-empty{border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 22%, #ffffff1f 78%);background:color-mix(in srgb, var(--study-guide-theme-surface) 72%, transparent);color:var(--btn-text-muted,#a8b3c7);border-radius:8px;padding:13px;font-size:.82rem;font-weight:760}.pdf-study-guide-evidence-card{border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 26%, #ffffff24 74%);background:linear-gradient(135deg, color-mix(in srgb, var(--study-guide-theme-accent) 9%, #ffffff0f 91%), #ffffff0a), color-mix(in srgb, var(--study-guide-theme-surface) 84%, #02061766 16%);content-visibility:auto;contain-intrinsic-size:auto 196px;border-radius:8px;grid-template-rows:auto 134px auto;grid-template-columns:minmax(0,1fr);align-items:start;gap:6px;padding:8px;transition:transform .18s,border-color .18s,box-shadow .18s;display:grid;position:relative;overflow:visible;box-shadow:0 14px 34px #0206174d,inset 0 1px #ffffff12}.pdf-study-guide-evidence-card:hover,.pdf-study-guide-evidence-card:focus-within,.pdf-study-guide-evidence-card.is-active,.pdf-study-guide-evidence-card.is-scroll-active{border-color:color-mix(in srgb, var(--study-guide-theme-accent) 52%, #fff3 48%);box-shadow:0 20px 44px #02061761, 0 0 0 1px color-mix(in srgb, var(--study-guide-theme-accent) 12%, transparent), inset 0 1px 0 #ffffff1a;transform:translateY(-1px)}.pdf-study-guide-evidence-preview{background:radial-gradient(circle at 30% 0%, color-mix(in srgb, var(--study-guide-theme-accent) 14%, transparent), transparent 48%), #02061770;width:100%;height:134px;min-height:0;color:var(--btn-text-muted,#cbd5e1);cursor:zoom-in;border:1px solid #e2e8f024;border-radius:8px;grid-area:2/1;place-items:center;display:grid;position:relative;overflow:hidden;box-shadow:inset 0 1px #ffffff0f}.pdf-study-guide-evidence-preview:disabled{cursor:wait}.pdf-study-guide-evidence-preview img{object-fit:contain;border-radius:7px;width:100%;height:100%;transition:transform .22s cubic-bezier(.22,1,.36,1),filter .22s;display:block;transform:scale(1)}.pdf-study-guide-evidence-preview.is-rendered:hover img,.pdf-study-guide-evidence-preview.is-rendered:focus-visible img{filter:saturate(1.05)contrast(1.02);transform:scale(1.035)}.pdf-study-guide-evidence-preview:after{content:"🔍";width:30px;height:30px;color:var(--text-main,#f8fafc);opacity:0;background:#020617b3;border:1px solid #ffffff3d;border-radius:8px;place-items:center;font-size:.88rem;transition:opacity .16s,transform .16s;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)scale(.92)}.pdf-study-guide-evidence-preview.is-rendered:hover:after,.pdf-study-guide-evidence-preview.is-rendered:focus-visible:after{opacity:1;transform:translate(-50%,-50%)scale(1)}.pdf-study-guide-evidence-quiz-dock{z-index:40;top:36px;right:4px}.pdf-study-guide-evidence-quiz-dock .pdf-tutor-slide-quiz-trigger{background:linear-gradient(155deg, color-mix(in srgb, var(--g1,#60a5fa) 24%, #0f172ad6 76%), color-mix(in srgb, var(--g2,#f472b6) 18%, #0f172adb 82%));border-left:none;border-radius:0 10px 10px 0;width:34px;min-width:34px;padding:0}.pdf-study-guide-evidence-quiz-dock.is-open .pdf-tutor-slide-quiz-trigger{width:88px}.pdf-study-guide-evidence-quiz-dock .pdf-tutor-slide-quiz-label{display:inline-block}.pdf-study-guide-evidence-quiz-dock .pdf-tutor-slide-quiz-menu{transform-origin:100% 0;top:0;left:auto;right:calc(100% + 8px)}.pdf-study-guide-evidence-loading{color:var(--btn-text-muted,#a8b3c7);text-align:center;padding:18px;font-size:.78rem;font-weight:850}.pdf-study-guide-evidence-caption{display:contents}.pdf-study-guide-evidence-caption strong,.pdf-study-guide-evidence-caption span{text-overflow:ellipsis;text-align:left;grid-column:1;min-width:0;padding-inline:2px;overflow:hidden}.pdf-study-guide-evidence-caption strong{-webkit-line-clamp:1;color:color-mix(in srgb, var(--study-guide-theme-accent) 50%, var(--text-main,#f8fafc) 50%);-webkit-box-orient:vertical;grid-row:1;font-size:.78rem;font-weight:950;line-height:1.22;display:-webkit-box}.pdf-study-guide-evidence-caption span{-webkit-line-clamp:2;color:var(--btn-text-muted,#cbd5e1);-webkit-box-orient:vertical;grid-row:3;font-size:.76rem;font-weight:760;line-height:1.34;display:-webkit-box}html.phone-device .pdf-study-guide-host{padding-inline:16px}html.phone-device .pdf-study-guide-outline{display:none}html.phone-device .pdf-study-guide-stage:has(>.pdf-study-guide-outline),html.phone-device .pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline){grid-template-columns:minmax(0,1fr);gap:16px}html.phone-device .pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-main,html.phone-device .pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-main{grid-area:auto}html.phone-device .pdf-study-guide-inner.pdf-study-guide-evidence-open{width:100%;margin-inline:0}html.phone-device .pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage,html.phone-device .pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within)){grid-template-columns:minmax(0,1fr);gap:16px}html.phone-device .pdf-study-guide-evidence-rail{clip-path:none;order:-1;grid-area:auto;justify-self:stretch;width:100%;max-width:100%;max-height:min(38dvh,300px);position:relative;top:auto;-webkit-mask-image:none;mask-image:none}html.phone-device .pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-main,html.phone-device .pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within)) .pdf-study-guide-main{grid-area:auto;transform:none}html.phone-device .pdf-study-guide-evidence-list{grid-template-columns:minmax(0,1fr);gap:14px}html.phone-device .pdf-study-guide-evidence-card{contain-intrinsic-size:auto 260px;grid-template-rows:auto auto auto;grid-template-columns:minmax(0,1fr);gap:9px;padding:10px}html.phone-device .pdf-study-guide-evidence-preview{grid-area:2/1;height:auto;min-height:154px}html.phone-device .pdf-study-guide-evidence-preview img{height:auto}html.phone-device .pdf-study-guide-evidence-caption{display:contents}html.phone-device .pdf-study-guide-evidence-caption :is(strong,span){-webkit-line-clamp:unset;display:block}html.phone-device .pdf-study-guide-evidence-caption strong{grid-row:1}html.phone-device .pdf-study-guide-evidence-caption span{grid-row:3}html.phone-device .pdf-study-guide-evidence-panel,html.phone-device .pdf-study-guide-stage:has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within)) .pdf-study-guide-evidence-panel{border-right:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 24%, #ffffff1f 76%);border-radius:16px;width:100%;padding:10px}@media (prefers-reduced-motion:reduce){#work-area.pdf-tutor-view.pdf-tutor-quiz-view.pdf-tutor-quiz-trio.ai-pane-ask-active #ask-memora-pane-view,.pdf-study-guide-quiz-cta,.pdf-study-guide-quiz-me-spinner{animation:none}.pdf-study-guide-quiz-me-btn{transition:none}#work-area.pdf-tutor-view #pdfjs-host,#work-area.pdf-tutor-view #pdf-study-guide-host,.pdf-study-guide-inner,.pdf-study-guide-stage,.pdf-study-guide-main,.pdf-study-guide-evidence-rail,.pdf-study-guide-evidence-panel,.pdf-study-guide-evidence-title,.pdf-study-guide-evidence-meta,.pdf-study-guide-evidence-list,.pdf-study-guide-evidence-card,.pdf-study-guide-evidence-preview,.pdf-study-guide-evidence-caption span,.pdf-study-guide-outline-progress,.pdf-study-guide-outline-tooltip{transition-duration:.01ms!important;animation:none!important}}.pdf-study-guide-loading,.pdf-study-guide-empty,.pdf-study-guide-error{text-align:center;min-height:300px;color:var(--btn-text-muted,#a8b3c7);place-items:center;display:grid}.pdf-study-guide-loading-card,.pdf-study-guide-empty-card,.pdf-study-guide-error-card{border:1px solid color-mix(in srgb, var(--btn-theme-border,#334155) 62%, #ffffff24 38%);background:radial-gradient(120% 150% at 0% 0%, var(--study-guide-theme-tint) 0%, transparent 60%), radial-gradient(120% 150% at 100% 0%, color-mix(in srgb, var(--study-guide-theme-accent) 14%, transparent) 0%, transparent 58%), color-mix(in srgb, var(--study-guide-theme-surface) 84%, #020617 16%);-webkit-backdrop-filter:blur(14px)saturate(1.04);border-radius:8px;gap:12px;width:min(520px,100%);padding:22px;display:grid;box-shadow:0 22px 54px #02061775,inset 0 1px #ffffff14}.pdf-study-guide-empty-actions{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.pdf-study-guide-empty-actions button{justify-content:center;min-width:180px}.pdf-study-guide-loading.pdf-study-guide-loading--neural{place-items:center;min-height:0;animation:.6s cubic-bezier(.22,1,.36,1) both pdf-study-guide-stream-fade-in;display:grid;position:absolute;inset:0;overflow:hidden}.pdf-study-guide-loading-neural{z-index:0;pointer-events:none;opacity:.95;position:absolute;inset:0;-webkit-mask-image:radial-gradient(130% 108% at 50% 44%,#000 52%,#0000 100%);mask-image:radial-gradient(130% 108% at 50% 44%,#000 52%,#0000 100%)}.pdf-study-guide-loading-neural canvas{width:100%;height:100%;display:block}.pdf-study-guide-loading-stack{z-index:1;text-align:center;flex-direction:column;align-items:center;gap:15px;max-width:min(520px,90vw);padding:28px;display:flex;position:relative}.pdf-study-guide-loading-stack .pdf-study-guide-progress-title{letter-spacing:.01em;text-shadow:0 2px 22px #020617a8;font-size:1.28rem}.pdf-study-guide-loading-stack .pdf-study-guide-progress-copy{text-shadow:0 1px 16px #02061799}.pdf-study-guide-loading-stack .pdf-study-guide-progress-bar{width:min(340px,76vw)}.pdf-study-guide-loading:has(.pdf-study-guide-stream-preview){align-content:start;place-items:start center;gap:14px;padding:18px 0 26px}.pdf-study-guide-stream-preview{border:1px solid color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 26%, #94a3b838 74%);text-align:left;background:linear-gradient(180deg, color-mix(in srgb, var(--study-guide-theme-surface,#0f172a) 92%, transparent) 0%, color-mix(in srgb, var(--study-guide-theme-surface,#0f172a) 82%, #020617 18%) 100%);border-radius:8px;justify-self:center;gap:0;width:min(880px,100%);animation:.4s cubic-bezier(.19,1,.22,1) both pdf-study-guide-stream-preview-in;display:grid;overflow:hidden;box-shadow:0 18px 44px #0206176b,inset 0 1px #ffffff0f}@keyframes pdf-study-guide-stream-preview-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translate(0,0)}}.pdf-study-guide-stream-preview-head{border-bottom:1px solid color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 18%, #94a3b829 82%);background:color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 8%, transparent);align-items:center;gap:8px;padding:9px 14px;display:flex}.pdf-study-guide-stream-preview-dot{background:var(--study-guide-theme-accent,#60a5fa);width:8px;height:8px;box-shadow:0 0 10px color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 70%, transparent);border-radius:999px;animation:1.4s ease-in-out infinite pdf-study-guide-stream-dot-pulse}@keyframes pdf-study-guide-stream-dot-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.78)}}.pdf-study-guide-stream-preview-title{color:var(--text-main,#f8fafc);letter-spacing:.04em;text-transform:uppercase;font-size:.78rem;font-weight:950}.pdf-study-guide-stream-preview-hint{color:var(--btn-text-muted,#a8b3c7);margin-left:auto;font-size:.74rem}.pdf-study-guide-stream-preview-body{max-height:min(46vh,460px);color:var(--text-main,#e2e8f0);overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 42%, transparent) transparent;padding:14px 18px 18px;font-size:.86rem;line-height:1.55;overflow-y:auto}.pdf-study-guide-stream-preview-body::-webkit-scrollbar{width:7px}.pdf-study-guide-stream-preview-body::-webkit-scrollbar-thumb{background:color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 36%, #94a3b84d 64%);border-radius:999px}.pdf-study-guide-stream-caret{vertical-align:text-bottom;background:color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 82%, #fff 18%);border-radius:2px;width:8px;height:1em;margin-left:3px;animation:.9s steps(2,start) infinite pdf-study-guide-stream-caret-blink;display:inline-block}@keyframes pdf-study-guide-stream-caret-blink{to{visibility:hidden}}.pdf-study-guide-content .pdf-study-guide-stream-preview{margin:22px auto 8px}.pdf-study-guide-streaming{animation:.5s cubic-bezier(.22,1,.36,1) both pdf-study-guide-stream-fade-in;display:block}.pdf-study-guide-streaming-strip{z-index:4;border:1px solid color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 24%, #94a3b833 76%);background:color-mix(in srgb, var(--study-guide-theme-surface,#0f172a) 88%, #020617 12%);-webkit-backdrop-filter:blur(10px)saturate(1.03);box-sizing:border-box;border-radius:999px;align-items:center;gap:9px;width:min(980px,100%);margin:0 auto 14px;padding:8px 14px;animation:.42s cubic-bezier(.22,1,.36,1) both pdf-study-guide-strip-in;display:flex;position:sticky;top:0;box-shadow:0 10px 26px #02061752}@keyframes pdf-study-guide-strip-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translate(0,0)}}.pdf-study-guide-streaming-label{color:var(--text-main,#f8fafc);letter-spacing:.02em;font-size:.78rem;font-weight:850}.pdf-study-guide-streaming-strip .pdf-study-guide-cancel-btn{min-height:26px;margin-left:auto;padding:0 12px;font-size:.74rem}.pdf-study-guide-streaming .pdf-study-guide-content,.pdf-study-guide-stream-append{animation:.55s cubic-bezier(.22,1,.36,1) both pdf-study-guide-stream-fade-in}.pdf-study-guide-stream-append{margin-top:6px}@keyframes pdf-study-guide-stream-fade-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translate(0,0)}}@media (prefers-reduced-motion:reduce){.pdf-study-guide-streaming,.pdf-study-guide-streaming .pdf-study-guide-content,.pdf-study-guide-stream-append,.pdf-study-guide-streaming-strip,.pdf-study-guide-streaming-strip .pdf-study-guide-stream-preview-dot{animation:none}}.pdf-study-guide-mode-row{flex-wrap:wrap;justify-content:center;gap:7px;display:flex}.pdf-study-guide-mode-row .pdf-study-guide-detail-slider{min-width:168px;max-width:240px;height:28px}.pdf-study-guide-mode-row .pdf-study-guide-detail-slider .memora-depth-slider-value{min-width:58px;font-size:.74rem}.pdf-study-guide-mode-row .pdf-study-guide-detail-slider .memora-depth-slider-fill{background:linear-gradient(90deg, color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 55%, transparent), var(--study-guide-theme-accent-strong,var(--study-guide-theme-accent,#60a5fa)))}.pdf-study-guide-mode-row .pdf-study-guide-detail-slider .memora-depth-slider-knob{box-shadow:0 1px 3px #02061773, 0 0 0 1px color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 52%, transparent)}.pdf-study-guide-mode-row .pdf-study-guide-detail-slider.is-dragging .memora-depth-slider-knob,.pdf-study-guide-mode-row .pdf-study-guide-detail-slider:has(.memora-depth-slider-input:focus-visible) .memora-depth-slider-knob,.pdf-study-guide-mode-row .pdf-study-guide-detail-slider:has(.memora-depth-slider-input:hover) .memora-depth-slider-knob{box-shadow:0 1px 4px #02061780, 0 0 0 3px color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 30%, transparent)}.pdf-study-guide-spinner{background:conic-gradient(from 0deg, var(--study-guide-theme-accent-strong), color-mix(in srgb, var(--study-guide-theme-accent) 74%, var(--text-main,#f8fafc) 26%), color-mix(in srgb, var(--study-guide-theme-accent) 18%, transparent), var(--study-guide-theme-accent-strong));border-radius:999px;justify-self:center;width:38px;height:38px;animation:1.05s linear infinite pdf-study-guide-spinner-spin;-webkit-mask:radial-gradient(farthest-side,#0000 calc(100% - 4px),#000 calc(100% - 3px));mask:radial-gradient(farthest-side,#0000 calc(100% - 4px),#000 calc(100% - 3px))}@keyframes pdf-study-guide-spinner-spin{to{transform:rotate(360deg)}}.pdf-study-guide-progress-title{color:var(--text-main,#f8fafc);font-weight:950}.pdf-study-guide-progress-copy{color:var(--btn-text-muted,#a8b3c7);font-size:.9rem}.pdf-study-guide-progress-timers{color:var(--study-guide-theme-accent-muted);font-variant-numeric:tabular-nums;flex-wrap:wrap;justify-content:center;gap:10px;font-size:.78rem;font-weight:800;display:flex}.pdf-study-guide-progress-bar{background:#94a3b82e;border-radius:999px;height:8px;overflow:hidden}.pdf-study-guide-cancel-btn{justify-self:center;min-width:108px}.pdf-study-guide-progress-fill{border-radius:inherit;background:var(--g,linear-gradient(90deg, var(--study-guide-theme-accent), var(--study-guide-theme-accent-strong))), linear-gradient(120deg, transparent 0%, #ffffff57 44%, transparent 68%);background-position:0 0,-180px 0;background-size:100% 100%,180px 100%;width:0%;height:100%;transition:width .18s linear;animation:1.25s linear infinite pdf-study-guide-progress-glide}@keyframes pdf-study-guide-progress-glide{0%{background-position:0 0,-180px 0}to{background-position:0 0,180px 0}}.pdf-study-guide-warmup-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;display:flex}.pdf-study-guide-warmup-actions .glass-btn:disabled{opacity:.48;cursor:not-allowed}.pdf-study-guide-warmup-attempt{color:color-mix(in srgb, var(--study-guide-theme-accent) 50%, var(--text-main,#f8fafc) 50%);font-size:.78rem;font-weight:900}.pdf-study-guide-quiz-cta{border-top:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 24%, transparent);justify-items:center;gap:10px;width:min(680px,100% - 2rem);margin:5.5rem auto 2.5rem;padding:2rem 1.25rem;animation:.52s cubic-bezier(.16,1,.3,1) both pdf-study-guide-quiz-cta-in;display:grid}.pdf-study-guide-quiz-cta.is-live-update{animation:none}.pdf-study-guide-quiz-me-cancel,.pdf-study-guide-quiz-me-retry{border-radius:999px;padding:.38rem .95rem;font-size:.82rem}.pdf-study-guide-quiz-me-btn{appearance:none;border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 68%, #ffffff3d);background:var(--g,linear-gradient(135deg, var(--study-guide-theme-accent), var(--study-guide-theme-accent-strong)));color:#071019;min-width:184px;min-height:52px;font:inherit;letter-spacing:.1em;cursor:pointer;box-shadow:0 14px 34px color-mix(in srgb, var(--study-guide-theme-accent) 26%, transparent);border-radius:999px;justify-content:center;align-items:center;gap:10px;padding:0 28px;font-size:1rem;font-weight:950;transition:transform .18s cubic-bezier(.16,1,.3,1),box-shadow .18s,filter .18s;display:inline-flex}.pdf-study-guide-quiz-me-btn:hover,.pdf-study-guide-quiz-me-btn:focus-visible{filter:brightness(1.08);box-shadow:0 18px 42px color-mix(in srgb, var(--study-guide-theme-accent) 34%, transparent);outline:none;transform:translateY(-2px)scale(1.025)}.pdf-study-guide-quiz-me-btn:active{transform:translateY(0)scale(.985)}.pdf-study-guide-quiz-me-btn:disabled{cursor:progress;filter:saturate(.74)}.pdf-study-guide-quiz-me-spinner{border:2px solid #07101947;border-top-color:#071019;border-radius:999px;width:17px;height:17px;animation:.8s linear infinite pdf-study-guide-spinner-spin}.pdf-study-guide-quiz-me-status{max-width:560px;color:var(--btn-text-muted,#a8b3c7);text-align:center;font-size:.82rem;font-weight:760;line-height:1.45}@keyframes pdf-study-guide-quiz-cta-in{0%{opacity:0;transform:translateY(18px)scale(.97)}to{opacity:1;transform:translate(0,0)scale(1)}}.pdf-study-guide-retry-actions{flex-wrap:wrap;align-items:center;gap:7px;display:flex}.pdf-tutor-regenerate-popup{gap:8px;min-width:min(320px,100vw - 32px);display:grid}.pdf-tutor-regenerate-popup strong{color:var(--text-main,#f8fafc);font-weight:950}.pdf-tutor-regenerate-popup span{color:var(--btn-text-muted,#cbd5e1);font-size:.86rem}.pdf-tutor-regenerate-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.pdf-study-guide-content{--pdf-study-guide-content-zoom:1;color:var(--study-guide-reading-ink,var(--text-main,#e2e8f0))}.pdf-study-guide-content .ai-formatted-response{font-size:calc(1rem * var(--pdf-study-guide-content-zoom,1));line-height:1.74}.pdf-study-guide-content .katex>.katex-mathml{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@supports (zoom:1){.pdf-study-guide-content .ai-formatted-response{zoom:var(--pdf-study-guide-content-zoom,1);font-size:1rem}}.pdf-study-guide-content .dd-section-header{--study-guide-heading-accent:var(--study-guide-color-primary,var(--study-guide-theme-accent));--study-guide-heading-glow-soft:color-mix(in srgb, var(--study-guide-heading-accent) 32%, transparent);--study-guide-heading-glow-mid:color-mix(in srgb, var(--study-guide-heading-accent) 18%, transparent);--study-guide-heading-glow-wide:color-mix(in srgb, var(--study-guide-heading-accent) 9%, transparent);--study-guide-heading-glow-peak-soft:color-mix(in srgb, var(--study-guide-heading-accent) 52%, transparent);--study-guide-heading-glow-peak-mid:color-mix(in srgb, var(--study-guide-heading-accent) 32%, transparent);--study-guide-heading-glow-peak-wide:color-mix(in srgb, var(--study-guide-heading-accent) 16%, transparent);border-left:0;border-bottom:2px solid color-mix(in srgb, var(--study-guide-heading-accent) 42%, transparent);color:color-mix(in srgb, var(--study-guide-reading-ink,#f8fafc) 68%, var(--study-guide-heading-accent) 32%);letter-spacing:0;text-wrap:balance;text-shadow:0 0 12px var(--study-guide-heading-glow-soft);align-items:center;gap:10px;margin:5.9rem 0 1.12rem;padding:.38rem 0 .55rem;font-size:1.52rem;font-weight:950;line-height:1.18;transition:color .18s,border-color .18s,background .18s,box-shadow .18s;animation:none;display:flex;position:relative}.pdf-study-guide-content .study-guide-heading-label{overflow-wrap:normal;text-overflow:ellipsis;white-space:nowrap;word-break:keep-all;flex:auto;min-width:0;max-width:100%;overflow:hidden}.pdf-study-guide-content .dd-section-header em{font-style:normal}.pdf-study-guide-content .dd-section-header.study-guide-heading-collapsible{--study-guide-heading-accent:var(--study-guide-color-secondary,var(--study-guide-theme-accent));border-bottom:2px solid color-mix(in srgb, var(--study-guide-heading-accent) 46%, transparent);color:color-mix(in srgb, var(--study-guide-reading-ink,#f8fafc) 64%, var(--study-guide-heading-accent) 36%);box-shadow:0 8px 28px -26px color-mix(in srgb, var(--study-guide-theme-accent) 48%, transparent);background:0 0;border-radius:0;margin-top:7rem;padding:.24rem 0 .56rem;font-style:normal}.pdf-study-guide-content :is(.dd-paragraph,.dd-list,.dd-table-wrap,.dd-blockquote,.dd-hr,.pdf-study-guide-image-card,.pdf-study-guide-image-group)+.dd-section-header{margin-top:7.2rem}.pdf-study-guide-content .dd-section-header.study-guide-heading-collapsible:hover{border-color:color-mix(in srgb, var(--study-guide-theme-accent) 38%, transparent);color:color-mix(in srgb, var(--study-guide-theme-accent) 68%, var(--text-main,#f8fafc) 32%);background:0 0}.pdf-study-guide-content .dd-section-header.study-guide-heading-collapsed{margin-bottom:.55rem}@keyframes studyGuideHeaderBreathe{0%,to{text-shadow:0 0 12px var(--study-guide-heading-glow-soft), 0 0 28px var(--study-guide-heading-glow-mid), 0 0 46px var(--study-guide-heading-glow-wide)}52%{text-shadow:0 0 16px var(--study-guide-heading-glow-peak-soft), 0 0 38px var(--study-guide-heading-glow-peak-mid), 0 0 70px var(--study-guide-heading-glow-peak-wide)}}.study-guide-heading-toggle{border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 24%, #ffffff24 76%);background:color-mix(in srgb, #0f172a29 82%, var(--study-guide-theme-accent) 18%);width:24px;height:24px;color:color-mix(in srgb, var(--text-main,#f8fafc) 68%, var(--study-guide-theme-accent) 32%);font:inherit;cursor:pointer;opacity:.74;box-shadow:none;border-radius:999px;flex:none;place-items:center;font-size:.78rem;font-weight:850;line-height:1;transition:opacity .16s,transform .16s,background .16s,border-color .16s,color .16s,box-shadow .16s;display:inline-grid}.study-guide-heading-toggle:hover,.study-guide-heading-toggle:focus-visible{opacity:1;border-color:color-mix(in srgb, var(--study-guide-theme-accent) 42%, #ffffff2e 58%);background:color-mix(in srgb, var(--study-guide-theme-accent) 14%, #ffffff14 86%);color:var(--text-main,#f8fafc);box-shadow:0 0 0 3px color-mix(in srgb, var(--study-guide-theme-accent) 10%, transparent), 0 6px 14px #02061724;outline:none;transform:translateY(-1px)}.study-guide-slide-citation-chip{border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 42%, #ffffff2e 58%);min-height:26px;color:var(--text-main,#f8fafc);font:inherit;cursor:pointer;background:0 0;border-radius:999px;flex:none;margin-left:auto;padding:0 9px;font-size:.7rem;font-weight:950;position:relative}.study-guide-slide-citation-chip:hover,.study-guide-slide-citation-chip:focus-visible{border-color:color-mix(in srgb, var(--study-guide-theme-accent) 68%, #ffffff2e 32%);background:0 0;outline:none}.study-guide-section-rewrite-group{opacity:.72;flex:none;align-items:center;gap:5px;margin-left:10px;margin-right:2px;transition:opacity .14s;display:inline-flex}.study-guide-section-rewrite-group [hidden]{display:none}.dd-section-header:is(:hover,:focus-within) .study-guide-section-rewrite-group,.study-guide-section-rewrite-group:hover,.study-guide-section-rewrite-group:has(.study-guide-section-rewrite-btn.is-running),.study-guide-section-rewritten .study-guide-section-rewrite-group{opacity:1}.study-guide-section-rewrite-btn,.study-guide-section-rewrite-undo{border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 38%, #ffffff29 62%);min-height:24px;color:var(--text-main,#f8fafc);font:inherit;letter-spacing:.02em;white-space:nowrap;cursor:pointer;background:0 0;border-radius:999px;flex:none;padding:0 10px;font-size:.66rem;font-weight:900;transition:border-color .14s,opacity .14s}.study-guide-section-rewrite-btn:hover:not(:disabled),.study-guide-section-rewrite-btn:focus-visible:not(:disabled),.study-guide-section-rewrite-undo:hover:not(:disabled),.study-guide-section-rewrite-undo:focus-visible:not(:disabled){border-color:color-mix(in srgb, var(--study-guide-theme-accent) 70%, #ffffff29 30%);outline:none}.study-guide-section-rewrite-btn:disabled,.study-guide-section-rewrite-undo:disabled{opacity:.45;cursor:not-allowed}.study-guide-section-rewrite-btn.is-running{animation:1.4s ease-in-out infinite study-guide-section-rewrite-pulse}.study-guide-section-rewrite-undo{border-style:dashed}@keyframes study-guide-section-rewrite-pulse{0%,to{opacity:.55}50%{opacity:1}}.dd-section-header.study-guide-section-rewriting+*{opacity:.55;transition:opacity .16s}@media (prefers-reduced-motion:reduce){.study-guide-section-rewrite-group,.study-guide-section-rewrite-btn,.study-guide-section-rewrite-btn.is-running,.dd-section-header.study-guide-section-rewriting+*{transition:none;animation:none}}html.phone-device .study-guide-section-rewrite-group{display:none}.pdf-study-guide-content .dd-section-header[data-study-guide-mastery]{--study-guide-mastery-color:transparent;border-left:3px solid var(--study-guide-mastery-color);padding-left:10px}.pdf-study-guide-content .dd-section-header[data-study-guide-mastery=strong]{--study-guide-mastery-color:var(--success,#4ade80)}.pdf-study-guide-content .dd-section-header[data-study-guide-mastery=mixed]{--study-guide-mastery-color:var(--warning,#fbbf24)}.pdf-study-guide-content .dd-section-header[data-study-guide-mastery=weak]{--study-guide-mastery-color:var(--danger,#f87171)}.pdf-study-guide-content .dd-section-header[data-study-guide-mastery]:after{content:"";border:1px solid color-mix(in srgb, var(--study-guide-mastery-color) 76%, transparent);background:color-mix(in srgb, var(--study-guide-mastery-color) 15%, transparent);width:18px;height:18px;color:var(--study-guide-mastery-color);border-radius:999px;flex:none;order:3;place-items:center;margin-left:auto;font-size:.68rem;font-weight:950;line-height:1;display:inline-grid}.pdf-study-guide-content .dd-section-header:has(>.study-guide-slide-citation-chip)[data-study-guide-mastery]:after{margin-left:0}.pdf-study-guide-content .dd-section-header.study-guide-mastery-untested:after{content:"•";color:color-mix(in srgb, var(--btn-text-muted,#cbd5e1) 52%, transparent);background:0 0;border-color:#0000}.pdf-study-guide-content .dd-section-header[data-study-guide-mastery=strong]:after{content:"✓"}.pdf-study-guide-content .dd-section-header[data-study-guide-mastery=mixed]:after{content:"◆"}.pdf-study-guide-content .dd-section-header[data-study-guide-mastery=weak]:after{content:"!"}.study-guide-inline-slide-citation{color:color-mix(in srgb, var(--study-guide-theme-accent) 70%, var(--text-main,#f8fafc) 30%);font:inherit;font-weight:850;line-height:inherit;text-underline-offset:.18em;cursor:zoom-in;background:0 0;border:0;border-radius:4px;margin:0;padding:0 .08em;text-decoration-line:underline;text-decoration-style:dotted;text-decoration-thickness:1.5px;transition:color .15s,background .15s,text-decoration-color .15s;display:inline;position:relative}.study-guide-inline-slide-citation:hover,.study-guide-inline-slide-citation:focus-visible{background:color-mix(in srgb, var(--study-guide-theme-accent) 13%, transparent);color:color-mix(in srgb, var(--study-guide-theme-accent) 88%, #fff 12%);outline:none;text-decoration-style:solid}.study-guide-inline-slide-citation:focus-visible{box-shadow:0 0 0 2px color-mix(in srgb, var(--study-guide-theme-accent) 38%, transparent)}.study-guide-inline-slide-citation-preview{z-index:90;border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 42%, #ffffff2e 58%);background:color-mix(in srgb, var(--study-guide-theme-surface) 90%, #020617eb 10%);opacity:0;visibility:hidden;pointer-events:none;transform-origin:bottom;border-radius:9px;place-items:center;width:min(300px,62vw);min-height:118px;transition:opacity .15s,transform .17s,visibility 0s linear .17s;display:grid;position:absolute;bottom:calc(100% + 10px);left:50%;overflow:hidden;transform:translate(-50%,5px)scale(.98);box-shadow:0 18px 44px #0206177a}.study-guide-inline-slide-citation:hover .study-guide-inline-slide-citation-preview,.study-guide-inline-slide-citation:focus-visible .study-guide-inline-slide-citation-preview,.study-guide-slide-citation-chip:hover .study-guide-inline-slide-citation-preview,.study-guide-slide-citation-chip:focus-visible .study-guide-inline-slide-citation-preview,.memora-study-guide-section-quiz-tool:hover .study-guide-inline-slide-citation-preview,.memora-study-guide-section-quiz-tool:focus-visible .study-guide-inline-slide-citation-preview{opacity:1;visibility:visible;transition-delay:0s;transform:translate(-50%)scale(1)}.study-guide-inline-slide-citation-preview img{width:100%;height:auto;display:block}.study-guide-inline-slide-citation-preview-status{color:var(--btn-text-muted,#cbd5e1);text-align:center;padding:18px;font-size:.76rem;font-weight:850}@media (prefers-reduced-motion:reduce){.study-guide-inline-slide-citation,.study-guide-inline-slide-citation-preview{transition:none}}.study-guide-section-collapsed-item{pointer-events:none;transform:translateY(-6px);opacity:0!important;max-height:0!important;margin-top:0!important;margin-bottom:0!important;padding-top:0!important;padding-bottom:0!important;overflow:hidden!important}.study-guide-section-collapsing{will-change:max-height, opacity, transform, margin, padding;transition:max-height .28s cubic-bezier(.22,1,.36,1),opacity .22s,transform .26s cubic-bezier(.22,1,.36,1),margin .26s,padding .26s}@media (prefers-reduced-motion:reduce){.pdf-study-guide-content .dd-section-header{animation:none}.study-guide-section-collapsing{transition:none}}.study-guide-process-arrow{color:#0000;text-align:center;vertical-align:-.04em;min-width:2.1em;margin:0 .24em;line-height:.9;display:inline-block}.study-guide-process-arrow:before{content:"⟶";color:color-mix(in srgb, var(--study-guide-theme-accent) 88%, var(--text-main,#f8fafc) 12%);text-shadow:0 0 10px color-mix(in srgb, var(--study-guide-theme-accent) 20%, transparent);font-size:1.12em;font-weight:950;display:inline-block}.study-guide-process-arrow[data-direction=left]:before{content:"⟵"}.study-guide-process-arrow.is-linkage-arrow{vertical-align:-.01em;min-width:.95em;margin:0 .04em;line-height:1}.study-guide-process-arrow.is-linkage-arrow:before{content:"→";text-shadow:none;font-size:1em}.study-guide-process-arrow.is-linkage-arrow[data-direction=left]:before{content:"←"}.pdf-study-guide-content .study-guide-mechanism-chain{line-height:1.45;position:relative}.pdf-study-guide-content .dd-list-item.study-guide-mechanism-chain{background:0 0;border:0;border-radius:0;align-items:flex-start;gap:.5rem;min-width:0;max-width:100%;margin:.34rem 0 .4rem;padding:0}.pdf-study-guide-content .dd-line.study-guide-mechanism-chain{background:0 0;border:0;border-radius:0;margin:.55rem 0;padding:0;display:block}.pdf-study-guide-content .study-guide-mechanism-chain .dd-bullet,.pdf-study-guide-content .study-guide-mechanism-chain .dd-number{align-self:flex-start;padding-top:.02rem;line-height:1}.study-guide-mechanism-content{box-sizing:border-box;flex:auto;width:auto;min-width:0;max-width:100%;display:block}.study-guide-mechanism-label{color:color-mix(in srgb, var(--study-guide-theme-accent-strong) 76%, var(--text-main,#f8fafc) 24%);letter-spacing:0;text-transform:uppercase;margin:0 0 .3rem;font-size:.72rem;font-weight:950;display:block}.study-guide-mechanism-flow{isolation:isolate;counter-reset:study-guide-mechanism-step;border-radius:0;display:block;position:relative;overflow:visible}.pdf-study-guide-content .study-guide-mechanism-chain{margin-top:.34rem;margin-bottom:.4rem}.study-guide-mechanism-chain .study-guide-mechanism-flow{border:1px solid color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 20%, transparent);background:color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 5%, transparent);scroll-snap-type:x proximity;overscroll-behavior-x:contain;scrollbar-width:thin;scrollbar-color:color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 46%, transparent) transparent;border-radius:10px;flex-wrap:nowrap;align-items:baseline;gap:.75rem;width:100%;max-width:100%;padding:.52rem 1.15rem .44rem;display:flex;overflow:auto hidden}.study-guide-mechanism-hover-scan{display:none}.study-guide-mechanism-node{z-index:1;min-width:0;max-width:100%;display:inline;position:relative}.study-guide-mechanism-chain .study-guide-mechanism-node{white-space:nowrap;scroll-snap-align:start;flex:none;align-items:baseline;gap:.42rem;max-width:none;margin-bottom:0;display:inline-flex}.study-guide-mechanism-node.is-start{display:inline}.study-guide-mechanism-chain .study-guide-mechanism-node.is-start{display:inline-flex}.study-guide-mechanism-step{min-width:0;min-height:0;color:color-mix(in srgb, var(--text-main,#f8fafc) 90%, var(--study-guide-theme-accent) 10%);font-weight:760;line-height:inherit;overflow-wrap:anywhere;white-space:normal;box-shadow:none;background:0 0;border:0;border-radius:0;padding:0;display:inline}.study-guide-mechanism-chain .study-guide-mechanism-step{color:color-mix(in srgb, var(--text-main,#f8fafc) 84%, var(--study-guide-theme-accent-strong) 16%);white-space:nowrap;overflow-wrap:normal}.study-guide-mechanism-step:before{counter-increment:study-guide-mechanism-step;content:counter(study-guide-mechanism-step) ".";width:auto;height:auto;color:color-mix(in srgb, var(--study-guide-theme-accent) 58%, var(--text-main,#f8fafc) 42%);background:0 0;border-radius:0;margin-right:.28rem;font-size:.82em;font-weight:950;display:inline}.study-guide-mechanism-flow .study-guide-process-arrow{z-index:1;vertical-align:baseline;width:2.35rem;min-width:2.35rem;height:auto;box-shadow:none;background:0 0;border:0;border-radius:0;flex:none;margin:0;position:relative;top:.04em}.study-guide-mechanism-chain .study-guide-process-arrow{width:1.9rem;min-width:1.9rem;margin:0;top:.04em}.study-guide-mechanism-flow .study-guide-process-arrow:before{font-size:1.18rem;transition:color .16s,text-shadow .16s,transform .16s}.study-guide-mechanism-chain:hover .study-guide-mechanism-hover-scan,.study-guide-mechanism-chain:focus-within .study-guide-mechanism-hover-scan{opacity:0;animation:none}.study-guide-mechanism-chain:hover .study-guide-mechanism-flow .study-guide-process-arrow:before,.study-guide-mechanism-chain:focus-within .study-guide-mechanism-flow .study-guide-process-arrow:before{animation:1.7s ease-in-out infinite studyGuideMechanismArrowGlow;animation-delay:calc(var(--flow-index,0) * 90ms)}@keyframes studyGuideMechanismSweep{0%{opacity:0;transform:translate(-135%)}18%{opacity:.55}62%{opacity:.34}to{opacity:0;transform:translate(285%)}}@keyframes studyGuideMechanismArrowGlow{0%,to{color:color-mix(in srgb, var(--study-guide-theme-accent) 78%, var(--text-main,#f8fafc) 22%);text-shadow:none;transform:translate(0)}48%{color:var(--text-main,#f8fafc);text-shadow:0 0 8px color-mix(in srgb, var(--study-guide-theme-accent) 68%, transparent), 0 0 18px color-mix(in srgb, var(--study-guide-theme-accent) 42%, transparent);transform:translate(2px)}}@media (prefers-reduced-motion:reduce){.study-guide-mechanism-chain:hover .study-guide-mechanism-hover-scan,.study-guide-mechanism-chain:focus-within .study-guide-mechanism-hover-scan,.study-guide-mechanism-chain:hover .study-guide-mechanism-flow .study-guide-process-arrow:before,.study-guide-mechanism-chain:focus-within .study-guide-mechanism-flow .study-guide-process-arrow:before{animation:none}}.pdf-study-guide-content .dd-section-header.dd-heading-1{--study-guide-heading-accent:var(--study-guide-color-primary,var(--study-guide-theme-accent));--study-guide-heading-glow-soft:color-mix(in srgb, var(--study-guide-heading-accent) 42%, transparent);--study-guide-heading-glow-mid:color-mix(in srgb, var(--study-guide-heading-accent) 24%, transparent);--study-guide-heading-glow-wide:color-mix(in srgb, var(--study-guide-heading-accent) 12%, transparent);--study-guide-heading-glow-peak-soft:color-mix(in srgb, var(--study-guide-heading-accent) 66%, transparent);--study-guide-heading-glow-peak-mid:color-mix(in srgb, var(--study-guide-heading-accent) 42%, transparent);--study-guide-heading-glow-peak-wide:color-mix(in srgb, var(--study-guide-heading-accent) 22%, transparent);color:color-mix(in srgb, var(--study-guide-reading-ink,#f8fafc) 58%, var(--study-guide-heading-accent) 42%);text-shadow:0 0 14px var(--study-guide-heading-glow-soft);margin:8rem 0 1.28rem;font-size:2.28rem}.pdf-study-guide-content .dd-section-header.dd-heading-2{--study-guide-heading-accent:var(--study-guide-color-secondary,var(--study-guide-theme-accent));--study-guide-heading-glow-soft:color-mix(in srgb, var(--study-guide-heading-accent) 38%, transparent);--study-guide-heading-glow-mid:color-mix(in srgb, var(--study-guide-heading-accent) 22%, transparent);--study-guide-heading-glow-wide:color-mix(in srgb, var(--study-guide-heading-accent) 11%, transparent);--study-guide-heading-glow-peak-soft:color-mix(in srgb, var(--study-guide-heading-accent) 60%, transparent);--study-guide-heading-glow-peak-mid:color-mix(in srgb, var(--study-guide-heading-accent) 38%, transparent);--study-guide-heading-glow-peak-wide:color-mix(in srgb, var(--study-guide-heading-accent) 20%, transparent);color:color-mix(in srgb, var(--study-guide-reading-ink,#f8fafc) 62%, var(--study-guide-heading-accent) 38%);text-shadow:0 0 13px var(--study-guide-heading-glow-soft);margin:6.8rem 0 1.12rem;font-size:1.93rem}.pdf-study-guide-content .dd-section-header.dd-heading-3{--study-guide-heading-accent:var(--study-guide-color-tertiary,var(--study-guide-theme-accent));box-sizing:border-box;border-left-width:0;border-bottom:2px solid color-mix(in srgb, var(--study-guide-heading-accent) 44%, transparent);width:fit-content;max-width:min(42rem,100% - 1.05rem);color:color-mix(in srgb, var(--study-guide-reading-ink,#f8fafc) 68%, var(--study-guide-heading-accent) 32%);box-shadow:none;background:0 0;margin:4.25rem 0 .7rem 1.05rem;padding:0 3rem .22rem 0;font-size:1.43rem;font-style:normal}.pdf-study-guide-content .dd-section-header.dd-heading-4{--study-guide-heading-accent:var(--study-guide-color-warm,var(--study-guide-theme-accent));color:color-mix(in srgb, var(--study-guide-reading-ink,#f8fafc) 72%, var(--study-guide-heading-accent) 28%);box-shadow:none;background:0 0;border-bottom:none;border-left-width:0;margin:3.45rem 0 .58rem 1.55rem;padding-left:0;font-size:1.3rem;font-style:normal}.pdf-study-guide-content :is(.dd-paragraph,.dd-list,.dd-table-wrap,.dd-blockquote,.dd-hr,.pdf-study-guide-image-card,.pdf-study-guide-image-group)+.dd-section-header.dd-heading-1{margin-top:8.6rem}.pdf-study-guide-content :is(.dd-paragraph,.dd-list,.dd-table-wrap,.dd-blockquote,.dd-hr,.pdf-study-guide-image-card,.pdf-study-guide-image-group)+.dd-section-header.dd-heading-2,.pdf-study-guide-content :is(.dd-paragraph,.dd-list,.dd-table-wrap,.dd-blockquote,.dd-hr,.pdf-study-guide-image-card,.pdf-study-guide-image-group)+.dd-section-header.study-guide-heading-collapsible{margin-top:7.7rem}.pdf-study-guide-content :is(.dd-paragraph,.dd-list,.dd-table-wrap,.dd-blockquote,.dd-hr,.pdf-study-guide-image-card,.pdf-study-guide-image-group)+.dd-section-header.dd-heading-3{margin-top:5.2rem}.pdf-study-guide-content :is(.dd-paragraph,.dd-list,.dd-table-wrap,.dd-blockquote,.dd-hr,.pdf-study-guide-image-card,.pdf-study-guide-image-group)+.dd-section-header.dd-heading-4{margin-top:4.2rem}.pdf-study-guide-content .ai-formatted-response>.dd-section-header:first-child{margin-top:.65rem}.pdf-study-guide-content .ai-formatted-response>.dd-section-header.dd-heading-1:first-child,.pdf-study-guide-content .ai-formatted-response>.dd-section-header.dd-heading-2:first-child,.pdf-study-guide-content .ai-formatted-response>.dd-section-header.study-guide-heading-collapsible:first-child{margin-top:.82rem}@container (width<=1380px){.pdf-study-guide-inner.pdf-study-guide-evidence-open{width:100%;max-width:100%;margin-inline:auto}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage,.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within)){grid-template-columns:minmax(0,1fr);gap:0}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-main,.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within)) .pdf-study-guide-main{grid-area:1/1;justify-self:center;width:min(980px,100%);transform:none}.pdf-study-guide-evidence-rail{grid-area:1/1;justify-self:end;width:276px;max-width:none}.pdf-study-guide-evidence-panel,.pdf-study-guide-stage:has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within)) .pdf-study-guide-evidence-panel{border-right:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 24%, #ffffff1f 76%);border-radius:16px;width:276px}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline),.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline):has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within)){--sg-outline-w:52px;grid-template-columns:var(--sg-outline-w) minmax(0, 1fr);grid-template-rows:auto;gap:18px}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline.is-expanded),.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline.is-expanded):has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within)){--sg-outline-w:204px;grid-template-columns:var(--sg-outline-w) minmax(0, 1fr);gap:20px}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-outline{grid-area:1/1}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-main,.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline):has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within))>.pdf-study-guide-main{grid-area:1/2}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-evidence-rail{width:276px;max-width:none;max-height:calc(100dvh - var(--pdf-header-height,46px) - 52px);grid-area:1/2;position:sticky;top:14px}}@container (width<=820px){.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage,.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within)){grid-template-columns:minmax(0,1fr);gap:16px}.pdf-study-guide-evidence-rail{--pdf-study-guide-source-fade-edge:0px;--pdf-study-guide-source-fade-width:0px;z-index:1;clip-path:none;order:-1;grid-area:1/1;justify-self:stretch;width:100%;max-width:100%;max-height:min(38dvh,300px);position:relative;top:auto;-webkit-mask-image:none;mask-image:none}.pdf-study-guide-evidence-panel,.pdf-study-guide-stage:has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within)) .pdf-study-guide-evidence-panel{width:100%;max-width:100%}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-main,.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within)) .pdf-study-guide-main{grid-area:2/1;padding-inline-end:0}.pdf-study-guide-stage:has(>.pdf-study-guide-outline),.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline),.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline):has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within)){--sg-outline-w:52px;grid-template-columns:var(--sg-outline-w) minmax(0, 1fr);grid-template-rows:auto;gap:14px}.pdf-study-guide-stage:has(>.pdf-study-guide-outline.is-expanded),.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline.is-expanded),.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline.is-expanded):has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within)){--sg-outline-w:204px;grid-template-columns:var(--sg-outline-w) minmax(0, 1fr);gap:16px}.pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-outline{--sg-outline-open-w:204px;grid-area:1/1;position:sticky;top:14px;transform:none}.pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-outline.is-expanded{max-height:calc(100dvh - var(--pdf-header-height,46px) - 52px)}.pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-main{grid-area:1/2}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline){grid-template-rows:auto auto}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-evidence-rail{grid-area:1/1/auto/-1;width:100%;max-width:100%}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-outline{grid-area:2/1}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-main,.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline):has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within))>.pdf-study-guide-main{grid-area:2/2}.pdf-study-guide-content .dd-section-header{box-sizing:border-box;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:8px 10px;width:100%;min-width:0;max-width:100%;display:grid}.pdf-study-guide-content .study-guide-heading-label{grid-area:1/2}.pdf-study-guide-content .study-guide-heading-toggle{grid-area:1/1}.pdf-study-guide-content .study-guide-slide-citation-chip{grid-area:2/2;justify-self:start;margin-left:0}.pdf-study-guide-content .dd-section-header[data-study-guide-mastery]:after{grid-area:2/2;justify-self:end;margin-left:0}.pdf-study-guide-content .dd-section-header.dd-heading-3,.pdf-study-guide-content .dd-section-header.dd-heading-4{width:100%;max-width:100%;margin-left:0;padding-right:0}}html.phone-device .pdf-study-guide-stage:has(>.pdf-study-guide-outline),html.phone-device .pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline),html.phone-device .pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline):has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within)){grid-template-rows:auto;grid-template-columns:minmax(0,1fr);gap:16px}html.phone-device .pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-main,html.phone-device .pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-main,html.phone-device .pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline):has(.pdf-study-guide-evidence-rail:is(:hover,:focus,:focus-within))>.pdf-study-guide-main,html.phone-device .pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-stage:has(>.pdf-study-guide-outline)>.pdf-study-guide-evidence-rail{grid-area:auto/1}.pdf-study-guide-content .dd-bold{color:color-mix(in srgb, var(--study-guide-reading-ink,#f8fafc) 70%, var(--study-guide-color-secondary,var(--study-guide-theme-accent)) 30%)}.pdf-study-guide-content.study-guide-cloze-active .study-guide-cloze:not(.is-revealed){color:#0000;background:color-mix(in srgb, var(--study-guide-theme-accent,var(--accent,#7dd3fc)) 22%, transparent);-webkit-box-decoration-break:clone;box-decoration-break:clone;cursor:pointer;text-decoration-line:underline;text-decoration-style:dashed;text-decoration-color:color-mix(in srgb, var(--study-guide-theme-accent,var(--accent,#7dd3fc)) 60%, transparent);text-underline-offset:3px;text-shadow:none;border-radius:4px;transition:color .14s,background-color .14s,text-decoration-color .14s}.pdf-study-guide-content.study-guide-cloze-active .study-guide-cloze:not(.is-revealed):focus-visible{outline:2px solid color-mix(in srgb, var(--study-guide-theme-accent,var(--accent,#7dd3fc)) 74%, #fff 26%);outline-offset:2px}.pdf-study-guide-content.study-guide-cloze-active .study-guide-cloze:not(.is-revealed)::selection{color:#0000;background:color-mix(in srgb, var(--study-guide-theme-accent,var(--accent,#7dd3fc)) 46%, transparent)}.pdf-study-guide-content.study-guide-cloze-active .study-guide-cloze.is-revealed{animation:.22s study-guide-cloze-reveal}@keyframes study-guide-cloze-reveal{0%{background-color:color-mix(in srgb, var(--study-guide-theme-accent,var(--accent,#7dd3fc)) 26%, transparent);box-shadow:0 0 0 2px color-mix(in srgb, var(--study-guide-theme-accent,var(--accent,#7dd3fc)) 18%, transparent)}to{background-color:#0000;box-shadow:0 0 #0000}}@media (prefers-reduced-motion:reduce){.pdf-study-guide-content.study-guide-cloze-active .study-guide-cloze{transition:none;animation:none}.pdf-study-guide-stage:has(>.pdf-study-guide-outline),.pdf-study-guide-outline,.pdf-study-guide-outline-progress,.pdf-study-guide-outline-search,.pdf-study-guide-outline :is(.pdf-study-guide-outline-label,.pdf-study-guide-outline-slides,.pdf-study-guide-outline-title,.pdf-study-guide-outline-count){transition:none}}.pdf-study-guide-content .study-guide-emphasis-callout{--study-guide-emphasis-accent:color-mix(in srgb, var(--study-guide-theme-accent) 92%, #020617 8%);border-left:3px solid color-mix(in srgb, var(--study-guide-emphasis-accent) 86%, #ffffff29 14%);background:linear-gradient(90deg, color-mix(in srgb, var(--study-guide-emphasis-accent) 28%, #02061742 72%), color-mix(in srgb, var(--study-guide-emphasis-accent) 8%, transparent) 74%, transparent);box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--study-guide-emphasis-accent) 18%, transparent);border-radius:8px}.pdf-study-guide-content .study-guide-emphasis-callout-group{gap:.64rem;margin:.82rem 0 1.14rem;padding:.68rem .9rem .78rem;display:grid}.pdf-study-guide-content .study-guide-emphasis-callout-group.is-distinction{gap:.52rem;padding-top:.58rem}.pdf-study-guide-content .study-guide-emphasis-callout-group>:is(.dd-section-header,.dd-paragraph,.dd-list,.dd-table-wrap,.dd-blockquote){margin-top:0;margin-bottom:0}.pdf-study-guide-content .study-guide-emphasis-callout-group>:is(.dd-paragraph,.dd-list){padding-left:0}.pdf-study-guide-content .study-guide-emphasis-callout-group>.dd-section-header.study-guide-emphasis-callout-title,.pdf-study-guide-content .study-guide-emphasis-callout-group>.dd-paragraph.study-guide-emphasis-callout-title{border-bottom:1px solid color-mix(in srgb, var(--study-guide-emphasis-accent) 28%, #ffffff14);box-shadow:none;margin:0;padding:0 0 .32rem}.pdf-study-guide-content .dd-paragraph.study-guide-emphasis-callout{margin-top:.76rem;margin-bottom:1.08rem;padding:.55rem .85rem .6rem .9rem}html:not(.phone-device) .pdf-study-guide-content .study-guide-emphasis-callout-group{gap:.82rem;margin:1.15rem 0 1.65rem;padding:.96rem 1.15rem 1.06rem}html:not(.phone-device) .pdf-study-guide-content .dd-paragraph.study-guide-emphasis-callout{margin-top:1.05rem;margin-bottom:1.48rem;padding:.84rem 1.08rem .92rem 1.14rem;line-height:1.68}html:not(.phone-device) .pdf-study-guide-content>.ai-formatted-response>.dd-paragraph{margin-inline:auto;width:min(1120px,100% - 3rem);max-width:min(1120px,100% - 3rem);margin-bottom:1.8rem;line-height:1.74}html:not(.phone-device) .pdf-study-guide-content :is(.dd-table-wrap,.memora-study-guide-text-pair,.memora-study-guide-breakout-group){box-sizing:border-box;width:calc(100% - 2rem);max-width:calc(100% - 2rem);margin:2.2rem auto 2.8rem}html:not(.phone-device) .pdf-study-guide-content :is(.dd-blockquote,.study-guide-emphasis-callout-group){box-sizing:border-box;width:auto;max-width:calc(100% - 2rem);margin:1.15rem 0 1.55rem}html:not(.phone-device) .memora-study-guide-text-pair{padding:1.28rem}html:not(.phone-device) .memora-study-guide-text-pair-heading{margin-bottom:1.12rem}html:not(.phone-device) .memora-study-guide-text-pair-grid{gap:1.08rem}html:not(.phone-device) .memora-study-guide-text-pair-panel{padding:1.16rem 1.2rem 1.24rem}html:not(.phone-device) .memora-study-guide-breakout-group{padding:1.3rem}html:not(.phone-device) .memora-study-guide-breakout-heading{margin-bottom:1.14rem}html:not(.phone-device) .memora-study-guide-breakout-nav{gap:.82rem}html:not(.phone-device) .memora-study-guide-breakout-tab{gap:.82rem;padding:.85rem 1rem}html:not(.phone-device) .memora-study-guide-breakout-stage{margin-top:1.05rem}html:not(.phone-device) .memora-study-guide-breakout-panel{padding:1.35rem 1.55rem}html:not(.phone-device) .memora-study-guide-breakout-grid{grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:1rem}html:not(.phone-device) .memora-study-guide-breakout-group.has-horizontal-overflow .memora-study-guide-breakout-grid{grid-auto-columns:minmax(260px,calc(25% - .75rem))}html:not(.phone-device) .memora-study-guide-breakout-summary{gap:.86rem;min-height:5.25rem;padding:1.08rem 1.12rem}html:not(.phone-device) .memora-study-guide-breakout-summary-copy{gap:.3rem}html:not(.phone-device) .memora-study-guide-breakout-summary-copy strong{line-height:1.34}html:not(.phone-device) .memora-study-guide-breakout-summary-copy>span{line-height:1.48}html:not(.phone-device) .memora-study-guide-breakout-body{box-sizing:border-box;min-width:0;padding:.5rem .6rem .8rem}html:not(.phone-device) .memora-study-guide-breakout-body.has-scroll-overflow{max-height:var(--memora-breakout-body-max-height);overscroll-behavior-y:contain;scrollbar-width:none;-ms-overflow-style:none;overflow:hidden auto}html:not(.phone-device) .memora-study-guide-breakout-body.has-scroll-overflow::-webkit-scrollbar{width:0;height:0;display:none}html:not(.phone-device) .memora-study-guide-know-these{padding:1.08rem}html:not(.phone-device) .memora-study-guide-know-these ul{gap:.65rem}html:not(.phone-device) .memora-study-guide-know-these li{gap:.62rem;padding:.72rem .76rem;line-height:1.58}.pdf-study-guide-content .dd-paragraph.study-guide-emphasis-callout.is-distinction{margin-top:.46rem;padding-top:.46rem}.pdf-study-guide-content .dd-list-item.study-guide-emphasis-callout{margin:.08rem 0;padding:.46rem .85rem .5rem .55rem}.pdf-study-guide-content .study-guide-emphasis-callout.is-distinction{--study-guide-emphasis-accent:color-mix(in srgb, var(--study-guide-theme-accent-strong) 78%, #f472b6 22%)}.pdf-study-guide-content .study-guide-emphasis-callout .study-guide-emphasis-label,.pdf-study-guide-content .study-guide-emphasis-callout>.dd-line:first-child .dd-bold:first-child,.pdf-study-guide-content .study-guide-emphasis-callout .dd-list-body>.dd-bold:first-child{color:color-mix(in srgb, var(--study-guide-emphasis-accent) 78%, var(--text-main,#f8fafc) 22%);text-shadow:0 0 8px color-mix(in srgb, var(--study-guide-emphasis-accent) 42%, transparent), 0 0 18px color-mix(in srgb, var(--study-guide-emphasis-accent) 24%, transparent)}.pdf-study-guide-content .study-guide-mechanism-chain .study-guide-mechanism-flow{box-sizing:border-box;border:1px solid color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 20%, transparent);background:color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 5%, transparent);scroll-snap-type:x proximity;overscroll-behavior-x:contain;scrollbar-width:thin;scrollbar-color:color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 46%, transparent) transparent;border-radius:10px;flex-wrap:nowrap;align-items:baseline;gap:.75rem;width:100%;max-width:100%;padding:.52rem 1.15rem .44rem;display:flex;overflow:auto hidden}html:not(.phone-device) .pdf-study-guide-content .study-guide-mechanism-chain .study-guide-mechanism-flow{align-items:center}html:not(.phone-device) .pdf-study-guide-content .study-guide-mechanism-chain .study-guide-mechanism-node{white-space:normal;flex:auto;min-width:clamp(7.5rem,22%,13rem)}html:not(.phone-device) .pdf-study-guide-content .study-guide-mechanism-chain .study-guide-mechanism-step{white-space:normal;overflow-wrap:anywhere}.study-guide-mechanism-chain .study-guide-mechanism-flow::-webkit-scrollbar{height:6px}.study-guide-mechanism-chain .study-guide-mechanism-flow::-webkit-scrollbar-track{background:color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 10%, transparent);border-radius:999px;margin:0 .6rem}.study-guide-mechanism-chain .study-guide-mechanism-flow::-webkit-scrollbar-thumb{background-color:color-mix(in srgb, var(--study-guide-theme-accent,#60a5fa) 48%, transparent);border-radius:999px;animation:4.5s ease-in-out infinite study-guide-scrollbar-pulse}.study-guide-mechanism-chain .study-guide-mechanism-flow:hover::-webkit-scrollbar-thumb{background-color:color-mix(in srgb, var(--study-guide-theme-accent-strong,#60a5fa) 72%, transparent);animation:none}@keyframes study-guide-scrollbar-pulse{0%,to{background-color:color-mix(in srgb, var(--study-guide-theme-accent) 22%, transparent)}50%{background-color:color-mix(in srgb, var(--study-guide-theme-accent) 64%, transparent)}}.pdf-study-guide-content .study-guide-pearls-pulsate{animation:2.4s ease-in-out infinite study-guide-pearl-pulse}@keyframes study-guide-pearl-pulse{0%,to{opacity:.94;text-shadow:0 0 4px #f9731600}50%{opacity:1;color:color-mix(in srgb, var(--study-guide-theme-accent) 88%, #fff 12%);text-shadow:0 0 10px color-mix(in srgb, var(--study-guide-theme-accent) 68%, transparent), 0 0 20px color-mix(in srgb, var(--study-guide-theme-accent) 34%, transparent)}}.pdf-study-guide-content .study-guide-pathway-label{--study-guide-pathway-accent:color-mix(in srgb, var(--study-guide-theme-accent-strong) 82%, #f59e0b 18%);color:color-mix(in srgb, var(--study-guide-pathway-accent) 76%, var(--text-main,#f8fafc) 24%)}.pdf-study-guide-content .dd-list-item.study-guide-pathway-label{margin-top:.82rem;margin-bottom:.56rem}.pdf-study-guide-content .study-guide-pathway-label .dd-bullet,.pdf-study-guide-content .study-guide-pathway-label .dd-number{color:color-mix(in srgb, var(--study-guide-pathway-accent) 88%, var(--text-main,#f8fafc) 12%)}.pdf-study-guide-content .study-guide-pathway-label .dd-list-body,.pdf-study-guide-content .study-guide-pathway-label .dd-line,.pdf-study-guide-content .study-guide-pathway-title{color:color-mix(in srgb, var(--study-guide-pathway-accent) 78%, var(--text-main,#f8fafc) 22%);text-shadow:0 0 8px color-mix(in srgb, var(--study-guide-pathway-accent) 30%, transparent), 0 0 18px color-mix(in srgb, var(--study-guide-pathway-accent) 16%, transparent);font-weight:940}.pdf-study-guide-content .dd-list.study-guide-spacious-list{gap:1.16rem;margin-top:1rem;margin-bottom:1.72rem}.pdf-study-guide-content .dd-bullet,.pdf-study-guide-content .dd-number{color:var(--study-guide-theme-accent)}.pdf-study-guide-content .dd-paragraph,.pdf-study-guide-content .dd-list,.pdf-study-guide-content .dd-table-wrap{margin-left:1.55rem}.pdf-study-guide-content .dd-table-wrap{z-index:1;transform-origin:0 0;zoom:1;content-visibility:auto;contain-intrinsic-size:auto 260px;width:calc(100% - 1.55rem);max-width:calc(100% - 1.55rem);transition:none;position:relative;transform:scale(1)}.pdf-study-guide-inner.pdf-study-guide-evidence-open .pdf-study-guide-content .dd-table-wrap{width:calc(83.3333% - 1.29167rem);max-width:calc(83.3333% - 1.29167rem)}.pdf-study-guide-content .dd-table-wrap,.study-guide-inline-chat-message .dd-table-wrap{scrollbar-width:none;-ms-overflow-style:none}.pdf-study-guide-content .dd-table-wrap::-webkit-scrollbar,.study-guide-inline-chat-message .dd-table-wrap::-webkit-scrollbar{width:0;height:0;display:none}@media (prefers-reduced-motion:reduce){.pdf-study-guide-content .dd-table-wrap{transition:none;transform:none}}.pdf-study-guide-content .dd-paragraph{margin-bottom:1.25rem}.pdf-study-guide-content .dd-list{gap:.9rem;margin-top:.86rem;margin-bottom:1.36rem}.pdf-study-guide-content .dd-list-item{line-height:1.66}.pdf-study-guide-content .dd-list-item.study-guide-step-item{margin-top:.18rem;margin-bottom:.18rem}.pdf-study-guide-content .dd-list-item.study-guide-mechanism-chain,.pdf-study-guide-content .dd-list-item.study-guide-mechanism-chain .dd-list-body,.pdf-study-guide-content .study-guide-mechanism-flow{line-height:1.32}.pdf-study-guide-content .dd-blockquote{border-left-width:3px;margin:1.1rem 0 1.2rem 1.35rem;padding:.7rem 1rem .7rem 1.15rem}.pdf-study-guide-content .dd-blockquote:has(.study-guide-emphasis-callout){color:inherit;background:0 0;border-left:0;border-radius:0;padding:0;font-style:normal}.pdf-study-guide-content .dd-blockquote:has(.study-guide-emphasis-callout)>.study-guide-emphasis-callout,.pdf-study-guide-content .dd-blockquote:has(.study-guide-emphasis-callout)>.dd-paragraph.study-guide-emphasis-callout{margin:0;font-style:italic}.pdf-study-guide-content .dd-hr{margin:2rem 0}.pdf-study-guide-content .dd-list-item-indent{margin-left:var(--dd-study-guide-list-margin,2.15rem)}.pdf-study-guide-image-group{align-items:start;width:min(940px,100% - 1.1rem);max-width:calc(100% - 1.1rem);margin:1.7rem auto 3.2rem;display:grid}.pdf-study-guide-image-group.is-horizontal{grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:18px}.pdf-study-guide-image-group.is-vertical{grid-template-columns:minmax(0,1fr);gap:2.7rem;width:min(680px,100% - 1.1rem)}html:not(.phone-device) .pdf-study-guide-image-group{overscroll-behavior-x:contain;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none;grid-template-columns:none;grid-auto-columns:minmax(min(280px,100vw - 3rem),1fr);grid-auto-flow:column;gap:24px;width:min(940px,100% - 1.1rem);margin:2.35rem auto 4.15rem;overflow-x:auto}html:not(.phone-device) .pdf-study-guide-image-group::-webkit-scrollbar{width:0;height:0;display:none}html:not(.phone-device) .pdf-study-guide-image-group .pdf-study-guide-image-card{scroll-snap-align:start}.pdf-study-guide-image-group .pdf-study-guide-image-card{width:100%;min-width:0;max-width:100%;margin:0}.pdf-study-guide-image-card{border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 30%, #ffffff24 70%);background:linear-gradient(135deg, color-mix(in srgb, var(--card-bg,#0f172a) 88%, #ffffff0f 12%), color-mix(in srgb, #020617 82%, var(--study-guide-theme-accent) 18%));isolation:isolate;content-visibility:auto;contain-intrinsic-size:auto 420px;border-radius:8px;outline:none;width:min(680px,100% - 1.1rem);min-width:min(280px,100% - 1.1rem);max-width:calc(100% - 1.1rem);margin:1.5rem auto 2.4rem;transition:width .16s,border-color .16s,box-shadow .16s;position:relative;overflow:clip;box-shadow:0 16px 38px #02061761}html:not(.phone-device) .pdf-study-guide-content>.pdf-study-guide-image-card{width:min(320px,100% - 1.1rem);min-width:min(200px,100% - 1.1rem)}html:not(.phone-device) .pdf-study-guide-content>.pdf-study-guide-image-card.is-panoramic{width:min(880px,100% - 1.1rem)}html:not(.phone-device) .pdf-study-guide-content>.pdf-study-guide-image-card.is-source-visual .pdf-study-guide-image-media{min-height:clamp(80px,12vw,154px);max-height:clamp(170px,25vh,240px)}html:not(.phone-device) .pdf-study-guide-content>.pdf-study-guide-image-card.is-panoramic.is-source-visual .pdf-study-guide-image-media{max-height:min(41vh,364px)}.pdf-study-guide-image-card.is-source-visual{border-color:color-mix(in srgb, var(--study-guide-theme-accent) 48%, #fff3 52%);box-shadow:0 14px 34px #0206173d, inset 0 0 0 1px color-mix(in srgb, var(--study-guide-theme-accent) 10%, transparent);background:0 0}.pdf-study-guide-image-card.is-resizing{user-select:none;border-color:color-mix(in srgb, var(--study-guide-theme-accent) 62%, #ffffff2e 38%);box-shadow:0 16px 38px #02061761, 0 0 0 3px color-mix(in srgb, var(--study-guide-theme-accent) 16%, transparent);transition:border-color .16s,box-shadow .16s}.pdf-study-guide-image-card:focus-visible{border-color:color-mix(in srgb, var(--study-guide-theme-accent) 70%, #fff3 30%);box-shadow:0 16px 38px #02061761, 0 0 0 3px color-mix(in srgb, var(--study-guide-theme-accent) 18%, transparent)}.pdf-study-guide-image-controls{z-index:4;-webkit-backdrop-filter:blur(12px)saturate(112%);opacity:0;pointer-events:none;background:#020617b8;border:1px solid #e2e8f029;border-radius:8px;gap:6px;padding:5px;transition:opacity .16s,transform .16s;display:flex;position:absolute;top:10px;right:10px;transform:translateY(-4px)}.pdf-study-guide-image-card:hover .pdf-study-guide-image-controls,.pdf-study-guide-image-card:focus-within .pdf-study-guide-image-controls,.pdf-study-guide-image-card.is-paste-ready .pdf-study-guide-image-controls,.pdf-study-guide-image-card.is-drop-target .pdf-study-guide-image-controls{opacity:1;pointer-events:auto;transform:translateY(0)}.pdf-study-guide-image-controls .glass-btn{border-radius:7px;min-height:28px;padding:0 9px;font-size:.72rem;font-weight:850}.pdf-study-guide-image-resize-handle{z-index:5;border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 40%, #ffffff2e 60%);background:linear-gradient(135deg, #020617c7, color-mix(in srgb, var(--study-guide-theme-accent) 20%, #020617c7 80%));width:28px;height:28px;color:var(--text-main,#f8fafc);cursor:ew-resize;opacity:.62;touch-action:none;border-radius:8px;transition:opacity .16s,transform .16s,border-color .16s,background .16s;position:absolute;bottom:8px;right:8px;box-shadow:inset 0 1px #ffffff14,0 8px 18px #0206173d}.pdf-study-guide-image-resize-handle:before,.pdf-study-guide-image-resize-handle:after{content:"";background:color-mix(in srgb, var(--study-guide-theme-accent) 66%, var(--text-main,#f8fafc) 34%);transform-origin:100%;border-radius:999px;width:10px;height:1px;position:absolute;bottom:7px;right:7px;transform:rotate(-45deg)}.pdf-study-guide-image-resize-handle:after{width:6px;bottom:12px;right:7px}html:not(.phone-device) .memora-pathway>.pdf-study-guide-image-resize-handle[data-study-guide-pathway-resize-handle]{display:none}html:not(.phone-device) .memora-pathway:focus-visible{outline:2px solid color-mix(in srgb, var(--study-guide-theme-accent) 58%, transparent);outline-offset:3px}.pdf-study-guide-image-card:hover .pdf-study-guide-image-resize-handle,.pdf-study-guide-image-card:focus-within .pdf-study-guide-image-resize-handle,.pdf-study-guide-image-card.is-resizing .pdf-study-guide-image-resize-handle,.memora-pathway:hover .pdf-study-guide-image-resize-handle,.memora-pathway:focus-within .pdf-study-guide-image-resize-handle,.memora-pathway.is-resizing .pdf-study-guide-image-resize-handle{opacity:1}.pdf-study-guide-image-resize-handle:hover,.pdf-study-guide-image-resize-handle:focus-visible{border-color:color-mix(in srgb, var(--study-guide-theme-accent) 62%, #ffffff38 38%);background:linear-gradient(135deg, #020617d1, color-mix(in srgb, var(--study-guide-theme-accent) 28%, #020617c7 72%));outline:none;transform:translateY(-1px)}html:not(.phone-device) .pdf-study-guide-image-card>.pdf-study-guide-image-resize-handle[data-study-guide-image-resize-handle]{width:24px;height:24px;box-shadow:none;cursor:nwse-resize;background:0 0;border:0;border-radius:0;bottom:0;right:0;transform:none;opacity:0!important}html:not(.phone-device) .pdf-study-guide-image-card>.pdf-study-guide-image-resize-handle[data-study-guide-image-resize-handle]:before,html:not(.phone-device) .pdf-study-guide-image-card>.pdf-study-guide-image-resize-handle[data-study-guide-image-resize-handle]:after{display:none}.pdf-study-guide-image-media{width:100%;min-height:190px;max-height:min(58vh,520px);color:color-mix(in srgb, var(--study-guide-theme-accent) 54%, var(--text-main,#f8fafc) 46%);background:0 0;place-items:center;text-decoration:none;display:grid;position:relative}.pdf-study-guide-image-card.is-source-visual .pdf-study-guide-image-media{aspect-ratio:var(--study-guide-image-aspect,16 / 9);border-bottom:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 28%, #ffffff1f 72%);background:0 0;min-height:220px;max-height:min(58vh,520px)}html:not(.phone-device) .pdf-study-guide-image-card.has-custom-media-height .pdf-study-guide-image-media{aspect-ratio:auto;min-height:160px;max-height:720px}.pdf-study-guide-image-card.is-loading .pdf-study-guide-image-media{aspect-ratio:var(--study-guide-image-aspect,16 / 9)}button.pdf-study-guide-image-media{appearance:none;font:inherit;cursor:zoom-in;border:0;padding:0;overflow:hidden}.pdf-study-guide-image-card.is-user-image.has-image .pdf-study-guide-image-media{background:#02061729;height:clamp(220px,42vw,520px);min-height:220px;max-height:min(58vh,520px)}.pdf-study-guide-image-media img{object-fit:contain;opacity:0;filter:blur(2px);width:auto;max-width:100%;height:auto;max-height:min(58vh,520px);padding:14px;transition:opacity .48s,transform .48s cubic-bezier(.22,1,.36,1),filter .48s;display:block;transform:translateY(7px)scale(.988)}.pdf-study-guide-image-card.is-source-visual .pdf-study-guide-image-media img{object-fit:contain;width:100%;max-width:none;height:100%;max-height:none;padding:12px}.pdf-study-guide-image-card.is-user-image.has-image .pdf-study-guide-image-media img{object-fit:cover;width:100%;max-width:none;height:100%;max-height:none;padding:0}.pdf-study-guide-image-card.is-loaded .pdf-study-guide-image-media img{opacity:1;filter:blur();transform:translateY(0)}.pdf-study-guide-image-media.is-magnifiable:after{content:"🔍";width:30px;height:30px;color:var(--text-main,#f8fafc);opacity:0;pointer-events:none;background:#020617b3;border:1px solid #ffffff3d;border-radius:8px;place-items:center;font-size:.88rem;transition:opacity .16s,transform .16s;display:grid;position:absolute;top:10px;right:10px;transform:translateY(-3px)}.pdf-study-guide-image-media.is-magnifiable:hover:after,.pdf-study-guide-image-media.is-magnifiable:focus-visible:after{opacity:1;transform:translateY(0)}.pdf-study-guide-image-media.is-magnifiable:hover img,.pdf-study-guide-image-media.is-magnifiable:focus-visible img{filter:saturate(1.05)contrast(1.02)}.pdf-study-guide-image-shimmer{background:linear-gradient(90deg, transparent, color-mix(in srgb, var(--study-guide-theme-accent) 28%, #ffffff29 72%), transparent);border-radius:8px;width:54%;height:42%;animation:1.35s ease-in-out infinite pdfStudyGuideImageShimmer}.pdf-study-guide-image-card.is-source-visual .pdf-study-guide-image-shimmer{border-radius:999px;width:min(320px,58%);height:3px}.pdf-study-guide-image-card.is-drop-target .pdf-study-guide-image-media,.pdf-study-guide-image-card.is-paste-ready .pdf-study-guide-image-media{outline:3px solid color-mix(in srgb, var(--study-guide-theme-accent) 72%, #fff 28%);outline-offset:-8px}.pdf-study-guide-image-card.is-drop-target:after,.pdf-study-guide-image-card.is-paste-ready:after{content:"Drop or paste image to replace";z-index:3;min-height:44px;color:var(--text-main,#f8fafc);pointer-events:none;background:#020617c7;border:1px solid #e2e8f038;border-radius:8px;place-items:center;font-size:.82rem;font-weight:850;display:grid;position:absolute;inset:48px 14px auto}.pdf-study-guide-image-card figcaption{color:var(--text-main,#e2e8f0);gap:5px;padding:.82rem .95rem .9rem;font-size:.88rem;line-height:1.45;display:grid}html:not(.phone-device) .pdf-study-guide-image-card figcaption{gap:.46rem;padding:1.08rem 1.16rem 1.18rem;line-height:1.56}.pdf-study-guide-image-card:not(.is-user-image) figcaption{align-content:start;min-height:4.272rem}.pdf-study-guide-image-card.is-user-image.has-image figcaption{padding:.76rem .95rem .82rem}.pdf-study-guide-image-card.is-user-image.has-image figcaption:empty{display:none}.pdf-study-guide-image-card.is-shift-dragging{opacity:.64;outline:2px solid color-mix(in srgb, var(--study-guide-theme-accent) 72%, #fff 28%);outline-offset:3px}.pdf-study-guide-image-group,html:not(.phone-device) .pdf-study-guide-image-group{align-items:stretch}html:not(.phone-device) .pdf-study-guide-image-group.is-horizontal .pdf-study-guide-image-card:not(.is-panoramic):not(.has-custom-media-height) .pdf-study-guide-image-media{aspect-ratio:16/10}.pdf-study-guide-image-group .pdf-study-guide-image-card{flex-direction:column;height:100%;display:flex}.pdf-study-guide-image-group .pdf-study-guide-image-card .pdf-study-guide-image-media,.pdf-study-guide-image-group .pdf-study-guide-image-card.is-source-visual .pdf-study-guide-image-media,.pdf-study-guide-image-group .pdf-study-guide-image-card.is-loading .pdf-study-guide-image-media,.pdf-study-guide-image-group .pdf-study-guide-image-card.is-user-image.has-image .pdf-study-guide-image-media{aspect-ratio:var(--study-guide-image-aspect,16 / 10);flex:none;height:auto;min-height:clamp(80px,12vw,150px);max-height:min(48vh,420px)}html:not(.phone-device) .pdf-study-guide-image-group .pdf-study-guide-image-card.is-panoramic{min-width:min(520px,100vw - 3rem)}.pdf-study-guide-image-group .pdf-study-guide-image-card.is-panoramic .pdf-study-guide-image-media{aspect-ratio:var(--study-guide-image-aspect,3.2 / 1);min-height:clamp(70px,10vw,120px);max-height:260px}.pdf-study-guide-image-group .pdf-study-guide-image-card .pdf-study-guide-image-media img{object-fit:contain;width:100%;max-width:none;height:100%;max-height:none}.pdf-study-guide-image-group .pdf-study-guide-image-card figcaption{flex:auto;align-content:start;min-height:5.548rem;padding-right:2.6rem}html:not(.phone-device) .pdf-study-guide-image-group .pdf-study-guide-image-card figcaption{min-height:6.3784rem;padding-right:2.85rem}.pdf-study-guide-content :is(.memora-pathway,.pdf-study-guide-image-card,.pdf-study-guide-image-group):is([data-side=left],[data-side=right]){width:min(320px,42%);min-width:0;max-width:42%;margin-top:.25rem;margin-bottom:.95rem}html:not(.phone-device) .pdf-study-guide-content .pdf-study-guide-image-card:is([data-side=left],[data-side=right]) figcaption,html:not(.phone-device) .pdf-study-guide-content>.pdf-study-guide-image-card:not(.is-panoramic) figcaption{gap:.28rem;min-height:auto;padding:.62rem .85rem .72rem;font-size:.82rem;line-height:1.38}html:not(.phone-device) .pdf-study-guide-content .pdf-study-guide-image-card.is-source-visual:is([data-side=left],[data-side=right]):not(.is-panoramic):not(.has-custom-media-height) .pdf-study-guide-image-media{max-height:clamp(170px,25vh,240px)}.pdf-study-guide-content :is(.memora-pathway,.pdf-study-guide-image-card,.pdf-study-guide-image-group)[data-side=left]{float:left;margin-left:0;margin-right:1.75rem}.pdf-study-guide-content :is(.memora-pathway,.pdf-study-guide-image-card,.pdf-study-guide-image-group)[data-side=right]{float:right;margin-left:1.75rem;margin-right:0}.pdf-study-guide-content [data-study-guide-side-content-centered="1"]{padding-top:var(--study-guide-side-content-offset,0)}.pdf-study-guide-content .dd-section-header,.pdf-study-guide-content .dd-hr{clear:both}@media (width<=900px){.pdf-study-guide-content :is(.memora-pathway,.pdf-study-guide-image-card,.pdf-study-guide-image-group):is([data-side=left],[data-side=right]){float:none;width:min(680px,100% - 1.1rem);max-width:calc(100% - 1.1rem);margin:1.6rem auto 2.2rem}}html.phone-device .pdf-study-guide-content :is(.memora-pathway,.pdf-study-guide-image-card,.pdf-study-guide-image-group):is([data-side=left],[data-side=right]){float:none;width:100%;max-width:100%;margin:1.4rem 0 1.9rem}.memora-linear-pathway{--memora-pathway-accent:var(--study-guide-color-primary,var(--study-guide-theme-accent,#c8a464));box-sizing:border-box;border:1px solid color-mix(in srgb, var(--memora-pathway-accent) 24%, #ffffff1f 76%);background:color-mix(in srgb, var(--memora-pathway-accent) 4%, var(--card-bg,#0f172a));border-radius:10px;width:min(900px,100% - 2.75rem);margin:1.2rem auto 1.8rem;padding:.85rem .9rem .9rem;display:block}.memora-linear-pathway .memora-pathway-head{padding-right:0}.memora-linear-pathway-flow+.memora-linear-pathway-flow{margin-top:.65rem}.memora-linear-pathway-link{flex:none;align-self:center;place-items:center;min-width:2.3rem;display:inline-grid}.memora-linear-pathway-link .study-guide-process-arrow{grid-area:2/1}.memora-linear-pathway-edge-label{color:color-mix(in srgb, var(--text-main,#e2e8f0) 64%, var(--memora-pathway-accent) 36%);white-space:nowrap;grid-area:1/1;font-size:.66rem;font-weight:760;line-height:1.1}.memora-linear-pathway-inhibitions{color:color-mix(in srgb, var(--text-main,#e2e8f0) 72%, transparent);flex-wrap:wrap;gap:.35rem .75rem;margin-top:.65rem;font-size:.76rem;display:flex}.memora-pathway{--memora-pathway-accent:var(--study-guide-color-primary,var(--study-guide-theme-accent,#c8a464));--memora-pathway-line:color-mix(in srgb, var(--memora-pathway-accent) 52%, #e2e8f080 48%);--memora-pathway-block:var(--study-guide-color-critical,#f2777a);box-sizing:border-box;border:1px solid color-mix(in srgb, var(--memora-pathway-accent) 30%, #ffffff24 70%);background:linear-gradient(150deg, color-mix(in srgb, var(--card-bg,#0f172a) 90%, #ffffff0d 10%), color-mix(in srgb, #020617 86%, var(--memora-pathway-accent) 14%));border-radius:10px;width:min(940px,100% - 1.1rem);margin:1.9rem auto 2.6rem;padding:1.05rem 1.15rem .95rem;display:block;position:relative;overflow:visible}html:not(.phone-device) .memora-pathway.has-custom-height{flex-direction:column;min-height:220px;max-height:min(82vh,900px);display:flex}html:not(.phone-device) .memora-pathway.has-custom-height .memora-pathway-canvas{flex:auto;place-items:center;min-height:0;display:grid;overflow-y:hidden}html:not(.phone-device) .memora-pathway.has-custom-height .memora-pathway-svg{width:100%;max-width:100%;height:100%;max-height:100%}.memora-pathway-head{border-bottom:1px solid color-mix(in srgb, var(--memora-pathway-accent) 22%, transparent);flex-wrap:wrap;align-items:baseline;gap:.5rem .75rem;margin-bottom:.7rem;padding:0 5rem .55rem 0;display:flex}.memora-pathway-actions{z-index:6;align-items:center;gap:.38rem;display:flex;position:absolute;top:.72rem;right:.72rem}.memora-pathway-actions>button{border:1px solid color-mix(in srgb, var(--memora-pathway-accent) 36%, #ffffff24 64%);background:color-mix(in srgb, var(--card-bg,#0f172a) 86%, var(--memora-pathway-accent) 14%);width:32px;height:32px;color:color-mix(in srgb, var(--memora-pathway-accent) 62%, var(--text-main,#f8fafc) 38%);opacity:.82;border-radius:999px;place-items:center;padding:0;transition:opacity .14s,border-color .14s,background .14s,transform .14s;display:grid}.memora-pathway-expand{cursor:zoom-in}.memora-pathway-regenerate{cursor:pointer}.memora-pathway-actions>button svg{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;width:17px;height:17px}.memora-pathway-actions>button:is(:hover,:focus-visible){border-color:color-mix(in srgb, var(--memora-pathway-accent) 68%, #fff3 32%);background:color-mix(in srgb, var(--card-bg,#0f172a) 72%, var(--memora-pathway-accent) 28%);opacity:1;outline:none;transform:scale(1.05)}.memora-pathway-actions>button:disabled{cursor:wait;opacity:.58}.memora-pathway-regenerate.is-running svg{animation:.9s linear infinite memora-pathway-regenerate-spin}@keyframes memora-pathway-regenerate-spin{to{transform:rotate(360deg)}}.memora-pathway>.memora-pathway-actions+.memora-pathway-canvas{padding-top:2.2rem}.memora-pathway-title{color:color-mix(in srgb, var(--memora-pathway-accent) 62%, var(--text-main,#f8fafc) 38%);letter-spacing:.01em;font-size:.98rem;font-weight:900}.memora-pathway-subtitle{color:var(--study-guide-reading-muted,var(--text-main,#e2e8f0));font-size:.75rem;font-weight:700}.memora-pathway-canvas{box-sizing:border-box;overscroll-behavior-x:contain;scrollbar-width:none;-ms-overflow-style:none;width:100%;max-width:100%;overflow-x:auto}.memora-pathway-canvas::-webkit-scrollbar{width:0;height:0;display:none}.memora-pathway-svg{width:auto;max-width:100%;height:auto;margin:0 auto;display:block}.memora-pathway-node{--memora-pathway-node-accent:var(--study-guide-color-primary,var(--memora-pathway-accent))}.memora-pathway-node:nth-child(4n+2){--memora-pathway-node-accent:var(--study-guide-color-secondary,var(--memora-pathway-accent))}.memora-pathway-node:nth-child(4n+3){--memora-pathway-node-accent:var(--study-guide-color-tertiary,var(--memora-pathway-accent))}.memora-pathway-node:nth-child(4n+4){--memora-pathway-node-accent:var(--study-guide-color-warm,var(--memora-pathway-accent))}.memora-pathway-node-box{fill:color-mix(in srgb, var(--memora-pathway-node-accent) 11%, #0206178c 89%);stroke:color-mix(in srgb, var(--memora-pathway-node-accent) 54%, #fff3 46%);stroke-width:1.15px}.memora-pathway-node-text{fill:var(--study-guide-reading-ink,var(--text-main,#e8edf6));font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;font-size:13px;font-weight:700}.memora-pathway-node[data-role=start] .memora-pathway-node-box{fill:color-mix(in srgb, var(--study-guide-color-primary,var(--memora-pathway-accent)) 22%, #0206178c 78%);stroke:color-mix(in srgb, var(--study-guide-color-primary,var(--memora-pathway-accent)) 76%, #fff3 24%);stroke-width:1.5px}.memora-pathway-node[data-role=product] .memora-pathway-node-box{fill:color-mix(in srgb, var(--study-guide-color-tertiary,var(--memora-pathway-accent)) 18%, #0206178c 82%);stroke:color-mix(in srgb, var(--study-guide-color-tertiary,var(--memora-pathway-accent)) 68%, #ffffff2e 32%)}.memora-pathway-node[data-role=effect] .memora-pathway-node-box{fill:color-mix(in srgb, var(--study-guide-color-warm,var(--memora-pathway-accent)) 9%, #02061780 91%);stroke:color-mix(in srgb, var(--study-guide-color-warm,var(--memora-pathway-accent)) 50%, #ffffff3d 50%);stroke-dasharray:4 3}.memora-pathway-node[data-role=effect] .memora-pathway-node-text{font-style:italic;font-weight:650}.memora-pathway-node[data-role=drug] .memora-pathway-node-box{fill:color-mix(in srgb, var(--memora-pathway-block) 15%, #02061799 85%);stroke:color-mix(in srgb, var(--memora-pathway-block) 62%, #ffffff24 38%)}.memora-pathway-node[data-role=drug] .memora-pathway-node-text{fill:color-mix(in srgb, var(--memora-pathway-block) 46%, #f8fafc 54%)}.memora-pathway-edge{stroke:var(--memora-pathway-line);stroke-width:1.5px;stroke-linecap:round}.memora-pathway-edge-arrow{fill:var(--memora-pathway-line)}.memora-pathway-edge-label-box{fill:color-mix(in srgb, #020617 88%, var(--memora-pathway-accent) 12%);stroke:color-mix(in srgb, var(--memora-pathway-accent) 30%, #ffffff1f 70%);stroke-width:1px}.memora-pathway-edge-label-text{fill:color-mix(in srgb, var(--memora-pathway-accent) 56%, var(--text-main,#e2e8f0) 44%);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;font-size:10.5px;font-weight:700}.memora-pathway-inhibition-line{stroke:color-mix(in srgb, var(--memora-pathway-block) 62%, transparent);stroke-width:1.4px;stroke-dasharray:5 3.5;stroke-linecap:round}.memora-pathway-inhibition-bar{stroke:color-mix(in srgb, var(--memora-pathway-block) 76%, transparent);stroke-width:2.4px;stroke-linecap:round;fill:none}.memora-pathway-activation-line{stroke:color-mix(in srgb, var(--study-guide-color-tertiary,var(--memora-pathway-accent)) 74%, transparent);stroke-width:1.65px;stroke-linecap:round}.memora-pathway-activation-arrow{fill:color-mix(in srgb, var(--study-guide-color-tertiary,var(--memora-pathway-accent)) 82%, var(--study-guide-reading-ink,#f8fafc) 18%)}.memora-pathway-activation .memora-pathway-node-box{fill:color-mix(in srgb, var(--study-guide-color-tertiary,var(--memora-pathway-accent)) 18%, #02061794 82%);stroke:color-mix(in srgb, var(--study-guide-color-tertiary,var(--memora-pathway-accent)) 72%, #ffffff2e 28%)}.memora-pathway-legend{border-top:1px solid color-mix(in srgb, var(--memora-pathway-accent) 16%, transparent);color:color-mix(in srgb, var(--text-main,#e2e8f0) 58%, transparent);flex-wrap:wrap;gap:.4rem 1.05rem;margin-top:.65rem;padding-top:.55rem;font-size:.7rem;font-weight:750;display:flex}.memora-pathway-legend-item{align-items:center;gap:.38rem;display:inline-flex}.memora-pathway-legend-swatch{border-top:2px solid var(--memora-pathway-line);width:20px;height:0;display:inline-block}.memora-pathway-legend-swatch.is-block{border-top-style:dashed;border-top-color:color-mix(in srgb, var(--memora-pathway-block) 72%, transparent)}.memora-pathway-legend-swatch.is-activate{border-top-color:color-mix(in srgb, var(--study-guide-color-tertiary,var(--memora-pathway-accent)) 78%, transparent)}.memora-pathway-note{color:color-mix(in srgb, var(--text-main,#e2e8f0) 74%, transparent);margin:.65rem 0 0;font-size:.79rem;line-height:1.5}.memora-pathway-alt{display:none}.pdf-study-guide-pathway-preview{z-index:2147482912;box-sizing:border-box;-webkit-backdrop-filter:blur(10px);opacity:0;background:#020617c2;place-items:center;padding:16px;transition:opacity .18s;display:grid;position:fixed;inset:0}.pdf-study-guide-pathway-preview.is-visible{opacity:1}.pdf-study-guide-pathway-preview-dialog{overscroll-behavior:contain;box-sizing:border-box;border:1px solid color-mix(in srgb, var(--study-guide-theme-accent,#c8a464) 38%, #ffffff29 62%);background:color-mix(in srgb, var(--pdf-tutor-page-bg,#0f172a) 94%, #020617 6%);scrollbar-width:none;transform-origin:50%;will-change:transform, opacity;border-radius:14px;width:min(1120px,100vw - 32px);max-height:calc(100dvh - 32px);padding:44px 14px 14px;position:relative;overflow:auto;box-shadow:0 28px 90px #0206179e}.pdf-study-guide-pathway-preview-dialog::-webkit-scrollbar{width:0;height:0;display:none}.pdf-study-guide-pathway-preview-close{z-index:3;border:1px solid color-mix(in srgb, var(--study-guide-theme-accent,#c8a464) 42%, #ffffff2e 58%);width:30px;height:30px;color:var(--text-main,#f8fafc);cursor:zoom-in;background:#0f172ae6;border-radius:999px;font:800 1.15rem/1 system-ui,sans-serif;position:absolute;top:10px;right:12px}.pdf-study-guide-pathway-preview-close:is(:hover,:focus-visible){border-color:color-mix(in srgb, var(--study-guide-theme-accent,#c8a464) 72%, #fff 28%);outline:none}.pdf-study-guide-pathway-preview-zoom-controls{z-index:3;border:1px solid color-mix(in srgb, var(--study-guide-theme-accent,#c8a464) 34%, #ffffff26 66%);background:#0f172ae6;border-radius:999px;align-items:center;gap:4px;padding:3px;display:inline-flex;position:absolute;top:10px;left:12px}.pdf-study-guide-pathway-preview-zoom-btn,.pdf-study-guide-pathway-preview-zoom-value{min-width:28px;height:26px;color:var(--text-main,#f8fafc);background:0 0;border:0;border-radius:999px;place-items:center;padding:0 7px;font:800 .75rem/1 system-ui,sans-serif;display:grid}.pdf-study-guide-pathway-preview-zoom-btn{cursor:pointer;font-size:1rem}.pdf-study-guide-pathway-preview-zoom-value{cursor:pointer;min-width:52px}.pdf-study-guide-pathway-preview-zoom-btn:is(:hover,:focus-visible),.pdf-study-guide-pathway-preview-zoom-value:is(:hover,:focus-visible){background:color-mix(in srgb, var(--study-guide-theme-accent,#c8a464) 20%, transparent);outline:none}.pdf-study-guide-pathway-preview-zoom-btn:disabled{cursor:default;opacity:.38}.pdf-study-guide-pathway-preview .memora-pathway{float:none!important;width:100%!important;max-width:none!important;margin:0!important}.pdf-study-guide-pathway-preview .memora-pathway-svg{width:100%;max-width:none}.pdf-study-guide-pathway-preview .memora-pathway-expand,.pdf-study-guide-pathway-preview .memora-pathway-regenerate,.pdf-study-guide-pathway-preview .pdf-study-guide-image-resize-handle,html.phone-device .memora-pathway-regenerate,html.phone-device .pdf-study-guide-pathway-preview-zoom-controls{display:none!important}html.phone-device .memora-pathway-head{padding-right:2.7rem}@media (prefers-reduced-motion:reduce){.pdf-study-guide-pathway-preview,.pdf-study-guide-pathway-preview-dialog,.memora-pathway-regenerate.is-running svg{transition:none;animation:none}}body.smooth-mode .pdf-study-guide-pathway-preview{transition:none}body.smooth-mode .memora-pathway-regenerate.is-running svg{animation:none}@media print{.memora-pathway.has-custom-height{height:auto!important;min-height:0!important;max-height:none!important}.memora-pathway .pdf-study-guide-image-resize-handle,.memora-pathway .memora-pathway-expand,.memora-pathway .memora-pathway-regenerate,.pdf-study-guide-pathway-preview{display:none!important}.memora-pathway{break-inside:avoid;float:none!important;background:#fff!important;border-color:#d1d5db!important;width:100%!important;margin:1rem 0!important}.memora-pathway-node-text,.memora-pathway-title{fill:#111827!important;color:#111827!important}}.pdf-study-guide-image-move-marker{border:1px dashed color-mix(in srgb, var(--study-guide-theme-accent) 58%, #ffffff38 42%);background:color-mix(in srgb, var(--study-guide-theme-accent) 14%, transparent);width:min(680px,100% - 1.1rem);color:var(--text-main,#f8fafc);text-align:center;border-radius:8px;margin:.72rem auto 1rem;padding:.55rem .8rem;font-size:.78rem;font-weight:900}.pdf-study-guide-image-card figcaption strong{color:color-mix(in srgb, var(--study-guide-theme-accent) 54%, var(--text-main,#f8fafc) 46%);font-weight:950}.pdf-study-guide-image-card figcaption span{color:var(--btn-text-muted,#a8b3c7);font-size:.75em;font-weight:720;line-height:1.56}.study-guide-caption-edit-input{resize:vertical;border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 38%, #ffffff29 62%);width:100%;min-height:64px;color:var(--text-main,#f8fafc);font:inherit;background:#02061770;border-radius:8px;outline:none;padding:8px 9px;font-size:.84rem;line-height:1.42}.study-guide-caption-edit-input:focus{border-color:color-mix(in srgb, var(--study-guide-theme-accent) 68%, #ffffff38 32%);box-shadow:0 0 0 3px color-mix(in srgb, var(--study-guide-theme-accent) 16%, transparent)}.pdf-study-guide-image-source{color:var(--study-guide-theme-accent);justify-self:start;font-size:.78rem;font-weight:850;text-decoration:none}span.pdf-study-guide-image-source{cursor:default}.pdf-study-guide-image-source:hover,.pdf-study-guide-image-source:focus-visible{text-decoration:underline}.pdf-study-guide-image-card.is-error{display:none}.pdf-study-guide-image-card.is-local-placeholder{border-style:dashed;border-color:color-mix(in srgb, var(--study-guide-theme-accent) 48%, #fff3 52%)}.pdf-study-guide-image-card.is-local-placeholder .pdf-study-guide-image-media{background:linear-gradient(135deg, color-mix(in srgb, var(--study-guide-theme-accent) 10%, #ffffffeb 90%), color-mix(in srgb, var(--study-guide-theme-accent) 18%, #e2e8f0e6 82%));min-height:210px}.pdf-study-guide-image-card.is-local-placeholder .pdf-study-guide-image-shimmer{border:1px dashed color-mix(in srgb, var(--study-guide-theme-accent) 48%, #0f172a2e 52%);background:linear-gradient(90deg, transparent, color-mix(in srgb, var(--study-guide-theme-accent) 18%, #ffffff80 82%), transparent);width:min(280px,62%);height:82px}.pdf-study-guide-image-insert-marker{border:1px dashed color-mix(in srgb, var(--study-guide-theme-accent) 42%, #ffffff2e 58%);background:color-mix(in srgb, var(--study-guide-theme-accent) 10%, transparent);width:min(680px,100% - 1.1rem);color:var(--btn-text-muted,#a8b3c7);text-align:center;border-radius:8px;margin:.8rem auto 1.1rem;padding:.55rem .8rem;font-size:.78rem;font-weight:850}.pdf-study-guide-image-context-menu{z-index:2147483422;border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 46%, #ffffff2e 54%);background:linear-gradient(135deg, var(--study-guide-theme-tint), color-mix(in srgb, var(--study-guide-theme-accent) 10%, transparent)), color-mix(in srgb, var(--study-guide-theme-surface) 88%, #020617db 12%);-webkit-backdrop-filter:blur(14px)saturate(1.05);border-radius:8px;padding:6px;position:fixed;box-shadow:0 14px 34px #0206175c}.pdf-study-guide-image-context-menu button{min-height:30px;color:var(--text-main,#f8fafc);font:inherit;cursor:pointer;background:#ffffff1a;border:0;border-radius:7px;padding:0 12px;font-size:.78rem;font-weight:900}.pdf-study-guide-image-context-menu button:hover,.pdf-study-guide-image-context-menu button:focus-visible{background:color-mix(in srgb, var(--study-guide-theme-accent) 28%, #ffffff24);outline:none}@keyframes pdfStudyGuideImageShimmer{0%{opacity:.45;transform:translate(-18%)}50%{opacity:.95;transform:translate(18%)}to{opacity:.45;transform:translate(-18%)}}@media (prefers-reduced-motion:reduce){.pdf-study-guide-image-media img{filter:none;transition:opacity .12s linear;transform:none}}.study-guide-defined-term{text-underline-offset:.16em;text-decoration-line:underline;text-decoration-thickness:1px;text-decoration-color:color-mix(in srgb, var(--study-guide-theme-accent) 62%, transparent);color:inherit;cursor:help;background:0 0;border-bottom:0;border-radius:0}.study-guide-defined-term.is-entering{animation:.62s cubic-bezier(.22,1,.36,1) both studyGuideDefinedTermIn;animation-delay:var(--study-guide-term-delay,0s)}@keyframes studyGuideDefinedTermIn{0%{text-decoration-color:color-mix(in srgb, var(--study-guide-theme-accent) 0%, transparent);background:0 0}55%{text-decoration-color:color-mix(in srgb, var(--study-guide-theme-accent) 66%, transparent);background:0 0}to{text-decoration-color:color-mix(in srgb, var(--study-guide-theme-accent) 62%, transparent);background:0 0}}.pdf-study-guide-image-card.is-entering{animation:.72s cubic-bezier(.22,1,.36,1) both studyGuideImageCardIn}@keyframes studyGuideImageCardIn{0%{opacity:0;transform:translateY(10px)scale(.994)}to{opacity:1;transform:translate(0,0)scale(1)}}.pdf-study-guide-content.is-prose-refresh{animation:.9s cubic-bezier(.33,0,.2,1) both studyGuideProseRefresh}@keyframes studyGuideProseRefresh{0%{opacity:.34}to{opacity:1}}@media (prefers-reduced-motion:reduce){.study-guide-defined-term.is-entering,.pdf-study-guide-image-card.is-entering,.pdf-study-guide-content.is-prose-refresh{animation:none}.pdf-study-guide-image-media img{transition:none}}.study-guide-definition-tooltip{z-index:2147483422;border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 48%, #ffffff2e 52%);background:linear-gradient(135deg, var(--study-guide-theme-tint), color-mix(in srgb, var(--study-guide-theme-accent) 12%, transparent)), color-mix(in srgb, var(--study-guide-theme-surface) 86%, #020617f0 14%);width:min(310px,100vw - 24px);color:var(--text-main,#f8fafc);-webkit-backdrop-filter:blur(14px)saturate(1.05);pointer-events:auto;border-radius:8px;padding:10px 12px;position:fixed;box-shadow:0 18px 42px #02061785}.study-guide-definition-tooltip[hidden]{display:none}.study-guide-definition-term{margin-bottom:3px;font-size:.8rem;font-weight:950;display:block}.study-guide-definition-copy{color:var(--btn-text-muted,#cbd5e1);font-size:.78rem;line-height:1.42}.study-guide-definition-actions{flex-wrap:wrap;gap:7px;margin-top:8px;display:flex}.study-guide-definition-actions button{min-height:26px;color:var(--text-main,#f8fafc);font:inherit;cursor:pointer;background:#ffffff1a;border:1px solid #e2e8f029;border-radius:7px;padding:0 9px;font-size:.72rem;font-weight:900}.study-guide-definition-actions button:hover,.study-guide-definition-actions button:focus-visible{background:color-mix(in srgb, var(--study-guide-theme-accent) 24%, #ffffff1f);outline:none}.study-guide-definition-edit-input{resize:vertical;border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 38%, #ffffff29 62%);width:100%;min-height:76px;color:var(--text-main,#f8fafc);font:inherit;background:#02061780;border-radius:8px;outline:none;margin-top:6px;padding:8px 9px;font-size:.78rem;line-height:1.42}.study-guide-text-highlight{--study-guide-highlight-color:var(--study-guide-theme-accent);background:linear-gradient(180deg, color-mix(in srgb, var(--study-guide-highlight-color) 16%, transparent), color-mix(in srgb, var(--study-guide-highlight-color) 22%, transparent));border-bottom:1px solid color-mix(in srgb, var(--study-guide-highlight-color) 54%, var(--text-main,#f8fafc) 16%);box-shadow:inset 0 -.2em 0 color-mix(in srgb, var(--study-guide-highlight-color) 14%, transparent);text-shadow:0 0 3px color-mix(in srgb, var(--study-guide-highlight-color) 18%, transparent);cursor:pointer;-webkit-box-decoration-break:slice;box-decoration-break:slice;border-radius:4px;padding-right:0;transition:background .2s,border-color .2s,box-shadow .2s,text-shadow .2s,opacity .2s;position:relative}.study-guide-text-highlight[data-highlight-color=fact]{--study-guide-highlight-color:var(--study-guide-theme-accent)}.study-guide-text-highlight[data-highlight-color=definition]{--study-guide-highlight-color:#38bdf8}.study-guide-text-highlight[data-highlight-color=confusing]{--study-guide-highlight-color:#f472b6}.study-guide-text-highlight[data-highlight-color=memorized]{--study-guide-highlight-color:#34d399}.study-guide-text-highlight:hover,.study-guide-text-highlight.is-active{background:linear-gradient(180deg, color-mix(in srgb, var(--study-guide-highlight-color) 22%, transparent), color-mix(in srgb, var(--study-guide-highlight-color) 32%, transparent));border-bottom:1px solid color-mix(in srgb, var(--study-guide-highlight-color) 74%, var(--text-main,#f8fafc) 26%);box-shadow:inset 0 -.25em 0 color-mix(in srgb, var(--study-guide-highlight-color) 20%, transparent);text-shadow:0 0 6px color-mix(in srgb, var(--study-guide-highlight-color) 32%, transparent)}.study-guide-text-highlight[data-highlight-mode=anchor]:not(.is-bold):not(.is-italic):not(:hover):not(:focus-within),.study-guide-text-highlight[data-highlight-mode=anchor].is-active:not(.is-bold):not(.is-italic):not(:hover):not(:focus-within){box-shadow:none;text-shadow:none;background:0 0;border-bottom-color:#0000}.study-guide-text-highlight.is-removing{opacity:0;box-shadow:none;background:0 0}.study-guide-highlight-anchor{vertical-align:super;width:0;height:0;line-height:0;display:inline-block;position:relative}.study-guide-highlight-delete-btn{border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 42%, #fff3 58%);background:color-mix(in srgb, var(--card-bg,#0f172adb) 86%, #020617e6 14%);width:1.05rem;height:1.05rem;color:var(--text-main,#f8fafc);font:inherit;cursor:pointer;opacity:0;border-radius:999px;place-items:center;padding:0;font-size:.72rem;font-weight:950;line-height:1;transition:opacity .16s,transform .16s,background .16s;display:grid;position:absolute;top:-.92em;left:.12rem;right:auto;transform:scale(.92)}.study-guide-text-highlight:hover .study-guide-highlight-delete-btn,.study-guide-text-highlight:focus-within .study-guide-highlight-delete-btn{opacity:1;transform:scale(1)}.study-guide-highlight-delete-btn:hover,.study-guide-highlight-delete-btn:focus-visible{background:color-mix(in srgb, #ef4444 34%, var(--card-bg,#0f172adb) 66%);outline:none}.study-guide-highlight-note-badge{border:1px solid color-mix(in srgb, var(--study-guide-highlight-color) 48%, #fff3 52%);background:color-mix(in srgb, var(--card-bg,#0f172a) 82%, var(--study-guide-highlight-color) 18%);min-width:1.1rem;height:1.05rem;color:var(--text-main,#f8fafc);pointer-events:none;border-radius:999px;place-items:center;padding:0 5px;font-size:.58rem;font-weight:950;line-height:1;transition:opacity .16s;display:inline-grid;position:absolute;top:-.92em;left:.12rem;right:auto}.study-guide-text-highlight[data-highlight-mode=anchor]:not(.is-bold):not(.is-italic):not(:hover):not(:focus-within) .study-guide-highlight-note-badge{opacity:0}.study-guide-highlight-anchor:has(.study-guide-highlight-note-badge) .study-guide-highlight-delete-btn{left:2.1rem}.study-guide-highlight-note-tooltip{z-index:2147483422;border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 44%, #ffffff2e 56%);background:linear-gradient(135deg, var(--study-guide-theme-tint), color-mix(in srgb, var(--study-guide-theme-accent) 10%, transparent)), color-mix(in srgb, var(--study-guide-theme-surface) 88%, #020617f0 12%);width:min(320px,100vw - 24px);color:var(--text-main,#f8fafc);pointer-events:none;border-radius:8px;padding:10px 12px;position:fixed;box-shadow:0 18px 42px #02061785}.study-guide-highlight-note-tooltip[hidden]{display:none}.study-guide-highlight-note-tooltip-title,.study-guide-highlight-note-tooltip-copy{display:block}.study-guide-highlight-note-tooltip-title{margin-bottom:4px;font-size:.76rem;font-weight:950}.study-guide-highlight-note-tooltip-copy{color:var(--btn-text-muted,#cbd5e1);font-size:.76rem;line-height:1.42}.study-guide-ask-tooltip{z-index:2147483600;isolation:isolate;pointer-events:auto;border:1px solid color-mix(in srgb, var(--study-guide-theme-accent) 54%, #ffffff2e 46%);background:linear-gradient(135deg, color-mix(in srgb, var(--study-guide-theme-accent) 20%, transparent), color-mix(in srgb, var(--study-guide-theme-accent) 12%, transparent)), color-mix(in srgb, #111827 94%, var(--study-guide-theme-accent) 6%);color:#f8fafc;max-width:410px;min-height:34px;font:inherit;text-shadow:0 1px 2px #0000007a;box-shadow:0 16px 38px #020617a3, 0 0 0 1px #ffffff14, 0 0 28px color-mix(in srgb, var(--study-guide-theme-accent) 22%, transparent), inset 0 1px 0 #ffffff24;-webkit-backdrop-filter:blur(14px)saturate(1.05);border-radius:999px;flex-wrap:nowrap;align-items:center;gap:0;padding:6px;font-size:.82rem;font-weight:900;transition:left .12s,top .12s,opacity .14s,transform .14s,max-width .4s cubic-bezier(.4,0,.2,1) .2s,padding .4s .2s;animation:.15s both studyGuideAskTooltipIn;display:flex;position:fixed;overflow:hidden}.study-guide-ask-tooltip-basic{flex-shrink:0;align-items:center;gap:6px;padding-left:7px;display:inline-flex}.study-guide-ask-tooltip-expanded{opacity:0;visibility:hidden;border-left:1px solid #0000;flex-shrink:0;align-items:center;gap:8px;width:0;margin-left:0;padding-left:0;transition:width .4s cubic-bezier(.4,0,.2,1) .2s,opacity .3s .2s,margin .4s cubic-bezier(.4,0,.2,1) .2s,padding .4s cubic-bezier(.4,0,.2,1) .2s,border-color .3s .2s;display:inline-flex;overflow:hidden}.study-guide-ask-tooltip-expand-btn{cursor:pointer;justify-content:center;align-items:center;width:26px;height:26px;margin-left:2px;transition:transform .4s cubic-bezier(.4,0,.2,1),background .2s,color .2s;display:inline-flex;color:#fffc!important;background:#ffffff14!important;border:1px solid #ffffff1f!important;border-radius:50%!important;min-width:0!important;font-size:.72rem!important;font-weight:700!important}.study-guide-ask-tooltip-expand-btn:hover{color:#fff!important;background:#ffffff2e!important}.study-guide-ask-tooltip:has(.study-guide-ask-tooltip-expand-btn:hover),.study-guide-ask-tooltip:has(.study-guide-ask-tooltip-expanded:hover),.study-guide-ask-tooltip.is-expanded{max-width:630px;padding-right:12px;transition-delay:0s}.study-guide-ask-tooltip:has(.study-guide-ask-tooltip-expand-btn:hover) .study-guide-ask-tooltip-expanded,.study-guide-ask-tooltip:has(.study-guide-ask-tooltip-expanded:hover) .study-guide-ask-tooltip-expanded,.study-guide-ask-tooltip.is-expanded .study-guide-ask-tooltip-expanded{opacity:1;visibility:visible;border-left:1px solid #ffffff29;width:222px;margin-left:0;padding-left:20px;transition-delay:0s}.study-guide-ask-tooltip:has(.study-guide-ask-tooltip-expand-btn:hover) .study-guide-ask-tooltip-expand-btn,.study-guide-ask-tooltip:has(.study-guide-ask-tooltip-expanded:hover) .study-guide-ask-tooltip-expand-btn,.study-guide-ask-tooltip.is-expanded .study-guide-ask-tooltip-expand-btn{transform:rotate(180deg)}.study-guide-ask-tooltip .style-italic-btn,.study-guide-ask-tooltip .style-bold-btn{justify-content:center;align-items:center;display:inline-flex;border-radius:50%!important;width:26px!important;min-width:26px!important;height:26px!important;padding:0!important;font-size:.8rem!important}.study-guide-text-highlight.is-bold{font-weight:850!important}.study-guide-text-highlight.is-italic{font-style:italic!important}.study-guide-ask-tooltip[hidden]{display:none}@keyframes studyGuideAskTooltipIn{0%{opacity:0;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}.study-guide-ask-tooltip button{color:#fff;min-width:48px;height:30px;font:inherit;cursor:pointer;text-shadow:none;background:#ffffff29;border:1px solid #ffffff29;border-radius:999px;font-size:.78rem;font-weight:900}.study-guide-ask-tooltip button[data-study-guide-highlight-action=ask],.study-guide-ask-tooltip button.is-active{background:color-mix(in srgb, var(--study-guide-theme-accent) 48%, #ffffff2e);border-color:color-mix(in srgb, var(--study-guide-theme-accent) 72%, #ffffff57);box-shadow:0 0 0 1px color-mix(in srgb, var(--study-guide-theme-accent) 28%, transparent), 0 6px 18px color-mix(in srgb, var(--study-guide-theme-accent) 24%, transparent)}.study-guide-ask-tooltip button:hover,.study-guide-ask-tooltip button:focus-visible{background:color-mix(in srgb, var(--study-guide-theme-accent) 36%, #fff3);border-color:color-mix(in srgb, var(--study-guide-theme-accent) 54%, #ffffff4d);outline:none}.study-guide-ask-tooltip button[data-study-guide-highlight-action=ask]:hover,.study-guide-ask-tooltip button[data-study-guide-highlight-action=ask]:focus-visible,.study-guide-ask-tooltip button.is-active:hover,.study-guide-ask-tooltip button.is-active:focus-visible{background:color-mix(in srgb, var(--study-guide-theme-accent) 58%, #ffffff38);border-color:color-mix(in srgb, var(--study-guide-theme-accent) 78%, #ffffff57)}.study-guide-highlight-color-group{align-items:center;gap:5px;margin-left:3px;display:inline-flex}.study-guide-ask-tooltip .study-guide-highlight-color-dot{border-color:#ffffff57;border-radius:999px;width:22px;min-width:0;height:22px;padding:0}.study-guide-highlight-color-dot.color-fact{background:var(--study-guide-theme-accent)}.study-guide-highlight-color-dot.color-definition{background:#38bdf8}.study-guide-highlight-color-dot.color-confusing{background:#f472b6}.study-guide-highlight-color-dot.color-memorized{background:#34d399}.study-guide-inline-chat-card{--memora-ask-card-content-zoom:1;--quiz-gen-surface-base:var(--memora-ask-glass-base);--quiz-gen-surface-strong:var(--memora-ask-glass-strong);--quiz-gen-outline:var(--memora-ask-glass-outline);border:1px solid var(--memora-ask-glass-border);background:var(--memora-ask-glass-background);width:min(620px,100%);box-shadow:var(--memora-ask-glass-shadow);-webkit-backdrop-filter:var(--memora-ask-glass-filter);isolation:isolate;border-radius:16px;gap:9px;margin:12px 0 18px;padding:16px;display:grid}.study-guide-inline-chat-card.is-sidecar{z-index:calc(var(--z-ask-memora-modal,2147480000) + 120);grid-template-rows:auto minmax(0,1fr) auto;width:min(488px,100vw - 24px);max-height:calc(100vh - 24px);margin:0;font-size:1.05rem;transition:max-height .24s cubic-bezier(.2,.8,.2,1),height .24s cubic-bezier(.2,.8,.2,1),top .24s cubic-bezier(.2,.8,.2,1),transform .18s;animation:.34s cubic-bezier(.16,1,.3,1) both pdf-tutor-focus-ask-in;position:fixed;overflow:hidden}.study-guide-inline-chat-card.is-sidecar.is-dragging{cursor:grabbing;user-select:none;transition:none}.study-guide-inline-chat-card.is-sidecar.is-resizing{user-select:none;transition:none}.study-guide-inline-chat-card.is-sidecar.is-answer-expanding{transition:max-height .26s cubic-bezier(.2,.8,.2,1),height .26s cubic-bezier(.2,.8,.2,1),top .26s cubic-bezier(.2,.8,.2,1),transform .18s}.study-guide-inline-chat-card.is-sidecar .study-guide-inline-chat-messages{max-height:var(--study-guide-chat-messages-max,min(68vh, 560px));overflow-anchor:none;overscroll-behavior:contain;scroll-behavior:smooth;scrollbar-width:none;-ms-overflow-style:none;transition:height .24s cubic-bezier(.2,.8,.2,1),max-height .24s cubic-bezier(.2,.8,.2,1);overflow:hidden auto}.study-guide-inline-chat-card.is-sidecar .study-guide-inline-chat-messages::-webkit-scrollbar{width:0;height:0;display:none}.study-guide-inline-chat-card.is-sidecar .study-guide-inline-chat-actions .welcome-btn{border-radius:8px;min-width:80px;height:52px;padding:0 17px;font-size:1.05rem}.study-guide-inline-chat-card.is-sidecar .study-guide-inline-chat-head{font-size:.98rem}.study-guide-inline-chat-card.is-sidecar .study-guide-inline-chat-message{font-size:var(--memora-study-guide-chat-message-font-size,1.05rem)}.study-guide-inline-chat-card.is-sidecar .study-guide-inline-chat-input{min-height:52px;max-height:158px;font-size:var(--memora-study-guide-chat-input-font-size,1.05rem)}.study-guide-inline-chat-head{color:var(--text-main,#f8fafc);cursor:grab;user-select:none;touch-action:none;justify-content:space-between;align-items:center;gap:10px;font-size:.78rem;font-weight:900;display:flex}.study-guide-inline-chat-title,.pdf-tutor-focus-ask-kicker{text-overflow:ellipsis;white-space:nowrap;flex:auto;min-width:0;font-size:1.08rem;line-height:1.16;overflow:hidden}.memora-ask-content-zoom-controls{flex:none;align-items:center;gap:4px;margin-left:auto;display:inline-flex}.ask-memora-surface-zoom-controls{margin-left:0}.ask-memora-pane-zoom-controls{display:none}.memora-ask-content-zoom-btn{border:1px solid color-mix(in srgb, currentColor 24%, #ffffff1f);background:color-mix(in srgb, var(--card-bg,#0f172a) 70%, #ffffff1a 30%);width:24px;min-width:24px;height:24px;color:color-mix(in srgb, var(--g1,#60a5fa) 42%, var(--text-main,#f8fafc) 58%);cursor:pointer;font:inherit;letter-spacing:0;border-radius:999px;justify-content:center;align-items:center;padding:0;font-size:.72rem;font-weight:850;line-height:1;display:inline-flex}.memora-ask-content-zoom-value{width:44px;min-width:44px;font-size:.62rem}.memora-ask-content-zoom-btn:hover,.memora-ask-content-zoom-btn:focus-visible{border-color:color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 20%);background:color-mix(in srgb, var(--g1,#60a5fa) 14%, #ffffff1a);color:var(--text-main,#f8fafc);outline:none}.memora-ask-content-zoom-btn:disabled{cursor:default;opacity:.48}.memora-ai-settings-btn svg{fill:none;stroke:currentColor;stroke-width:1.75px;stroke-linecap:round;stroke-linejoin:round;pointer-events:none;width:14px;height:14px}.pdf-tutor-transcript-zoom-controls{margin-left:0;display:none}#work-area.pdf-tutor-view #ai-header .pdf-tutor-transcript-zoom-controls{display:inline-flex}.study-guide-inline-chat-card.is-sidecar .study-guide-inline-chat-head:active,.study-guide-inline-chat-card.is-sidecar.is-dragging .study-guide-inline-chat-head,body.study-guide-inline-chat-dragging{cursor:grabbing}body.study-guide-inline-chat-resizing{cursor:nwse-resize}.study-guide-inline-chat-close{width:22px;min-width:22px;height:22px;color:var(--btn-text-muted,#a8b3c7);background:0 0;border:0;border-radius:999px;padding:0;font-size:1rem;line-height:1}.study-guide-inline-chat-resize-handle{cursor:nwse-resize;border-right:2px solid color-mix(in srgb, var(--g1,#60a5fa) 58%, #ffffff2e 42%);border-bottom:2px solid color-mix(in srgb, var(--g2,#f472b6) 54%, #ffffff2e 46%);opacity:.74;touch-action:none;z-index:3;border-radius:0 0 5px;width:16px;height:16px;position:absolute;bottom:4px;right:4px}.study-guide-inline-chat-resize-handle:hover,.study-guide-inline-chat-resize-handle:focus-visible{opacity:1}.study-guide-inline-chat-messages{overscroll-behavior:contain;gap:8px;min-height:0;max-height:260px;display:grid;overflow-y:auto}.study-guide-inline-chat-message{overflow-wrap:anywhere;background:color-mix(in srgb, var(--card-bg,#0f172a) 66%, #ffffff1f 34%);min-width:0;max-width:94%;color:var(--text-main,#e2e8f0);border:1px solid #cbd5e138;border-radius:8px;flex-direction:column;gap:4px;padding:9px 10px;font-size:.84rem;font-weight:500;line-height:1.54;display:flex}.study-guide-inline-chat-message.is-user{border-color:color-mix(in srgb, var(--g1,#60a5fa) 38%, #cbd5e13d 62%);background:color-mix(in srgb, var(--card-bg,#0f172a) 62%, #60a5fa33 38%);justify-self:end}.study-guide-inline-chat-message.is-assistant{max-width:100%;box-shadow:none;background:0 0;border-color:#0000;border-radius:0;justify-self:start;animation:.26s cubic-bezier(.16,1,.3,1) both ask-ai-top-down-fade-in;position:relative}.study-guide-inline-chat-message.is-assistant:not(.is-pending){max-width:100%;box-shadow:none;text-shadow:0 1px 8px #020617c2, 0 0 16px color-mix(in srgb, var(--g1,#60a5fa) 16%, transparent);background:0 0;border-color:#0000;margin-left:0;padding:10px 0}.study-guide-inline-chat-message.is-soft-revealing{will-change:clip-path, opacity, filter, transform;animation:1s cubic-bezier(.16,1,.3,1) both studyGuideInlineAnswerReveal;overflow:hidden}.study-guide-inline-chat-message.is-assistant.is-pending{min-width:0;box-shadow:none;background:0 0;border-color:#0000;border-radius:0;padding:9px 0;animation:.24s cubic-bezier(.16,1,.3,1) both ask-ai-top-down-fade-in}.study-guide-inline-chat-message .ask-ai-answer,.study-guide-inline-chat-message .ask-ai-answer-block{gap:.46rem;display:grid}.study-guide-inline-chat-message .dd-table,.study-guide-inline-chat-message .ask-ai-answer-table{font-size:var(--memora-study-guide-chat-table-font-size,.9rem)}.study-guide-inline-chat-message.is-assistant:not(.is-pending) .ai-formatted-response,.study-guide-inline-chat-message.is-assistant:not(.is-pending) .dd-paragraph,.study-guide-inline-chat-message.is-assistant:not(.is-pending) .dd-list{padding-left:.25rem}.study-guide-inline-chat-message.is-assistant:not(.is-pending) .dd-section-header{margin-left:0;padding-left:8px}.ask-ai-heading,.ask-ai-answer h1,.ask-ai-answer h2,.ask-ai-answer h3,.ask-ai-answer h4,.ask-ai-answer h5,.ask-ai-answer h6{width:fit-content;max-width:100%;color:color-mix(in srgb, var(--ai-bold,#bfdbfe) 88%, #fff);letter-spacing:-.01em;border-bottom:1px solid color-mix(in srgb, var(--ai-bold,#bfdbfe) 20%, transparent);margin-top:18px;margin-bottom:8px;padding-bottom:4px;font-family:inherit;font-style:normal;font-weight:800;line-height:1.3;display:block}.ask-ai-heading.h1-heading,.ask-ai-answer h1{font-size:1.44em}.ask-ai-heading.h2-heading,.ask-ai-answer h2{font-size:1.3em}.ask-ai-heading.h3-heading,.ask-ai-answer h3{font-size:1.2em}.ask-ai-heading.h4-heading,.ask-ai-answer h4{font-size:1.16em}.ask-ai-heading.h5-heading,.ask-ai-heading.h6-heading,.ask-ai-answer h5,.ask-ai-answer h6{font-size:1.14em}.ask-ai-answer>:first-child{margin-top:0!important}.study-guide-inline-chat-message p,.study-guide-inline-chat-message .ask-ai-answer-line{color:color-mix(in srgb, var(--text-main,#f8fafc) 82%, var(--btn-text-muted,#cbd5e1) 18%);margin:0;line-height:1.56}.study-guide-inline-chat-message.is-assistant:not(.is-pending) p,.study-guide-inline-chat-message.is-assistant:not(.is-pending) .ask-ai-answer-line{color:color-mix(in srgb, var(--text-main,#f8fafc) 90%, var(--btn-text-muted,#cbd5e1) 10%);text-shadow:0 1px 9px #020617b8, 0 0 18px color-mix(in srgb, var(--g1,#60a5fa) 18%, transparent)}.study-guide-inline-chat-message strong,.study-guide-inline-chat-message .ask-ai-answer-strong{color:var(--ai-bold,#bfdbfe);font-weight:850}.study-guide-inline-chat-form{align-items:end}.study-guide-inline-chat-input{resize:none;min-height:42px;max-height:126px;overflow-y:hidden}.study-guide-inline-image-results{background:linear-gradient(#0f172ae6,#020617eb),#020617e6;border:1px solid #94a3b829;border-radius:8px;gap:9px;margin-top:10px;padding:10px;display:grid;box-shadow:inset 0 1px #ffffff0f,0 10px 24px #02061738}.study-guide-inline-image-head{justify-content:space-between;align-items:center;gap:10px;min-width:0;display:flex}.study-guide-inline-image-head span{color:color-mix(in srgb, var(--text-main,#f8fafc) 88%, var(--g1,#60a5fa) 12%);font-size:.74rem;font-weight:880}.study-guide-inline-image-head small{color:var(--btn-text-muted,#94a3b8);white-space:nowrap;font-size:.66rem;font-weight:760}.study-guide-inline-image-grid{grid-template-columns:repeat(auto-fit,minmax(132px,1fr));gap:8px;display:grid}.study-guide-inline-image-card{min-width:0;color:var(--text-main,#f8fafc);background:#0f172ab8;border:1px solid #e2e8f01f;border-radius:8px;gap:7px;padding:7px;text-decoration:none;display:grid}.study-guide-inline-image-card:hover,.study-guide-inline-image-card:focus-visible{border-color:color-mix(in srgb, var(--g1,#60a5fa) 42%, #ffffff29 58%);outline:none}.study-guide-inline-image-media{aspect-ratio:16/10;background:#ffffffeb;border-radius:6px;place-items:center;width:100%;display:grid;overflow:hidden}.study-guide-inline-image-media img{object-fit:contain;width:100%;height:100%}.study-guide-inline-image-media.is-link-only{color:color-mix(in srgb, var(--text-main,#f8fafc) 86%, var(--g1,#60a5fa) 14%);text-align:center;background:linear-gradient(135deg,#60a5fa33,#f472b621),#0f172ae6;font-size:.7rem;font-weight:850;line-height:1.15}.study-guide-inline-image-copy{gap:3px;min-width:0;display:grid}.study-guide-inline-image-copy strong,.study-guide-inline-image-copy small,.study-guide-inline-image-copy em{text-overflow:ellipsis;min-width:0;overflow:hidden}.study-guide-inline-image-copy strong{color:var(--text-main,#f8fafc);white-space:nowrap;font-size:.74rem;font-weight:850;line-height:1.2}.study-guide-inline-image-copy small{color:color-mix(in srgb, var(--text-main,#f8fafc) 74%, var(--btn-text-muted,#94a3b8) 26%);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.68rem;font-weight:620;line-height:1.28;display:-webkit-box}.study-guide-inline-image-copy em{color:var(--btn-text-muted,#94a3b8);white-space:nowrap;font-size:.62rem;font-style:normal;font-weight:780}.study-guide-inline-image-loading,.study-guide-inline-image-error{min-height:28px;color:var(--btn-text-muted,#cbd5e1);align-items:center;gap:8px;font-size:.7rem;font-weight:760;display:flex}.study-guide-inline-image-error{color:#fecaca}.study-guide-inline-image-spinner{border:2px solid #94a3b847;border-top-color:color-mix(in srgb, var(--g1,#60a5fa) 72%, #fff 28%);border-radius:999px;width:14px;height:14px;animation:.76s linear infinite studyGuideInlineImageSpin}.study-guide-grounded-sources{gap:7px;margin-top:8px;display:grid}.study-guide-grounded-badge{color:#bbf7d0;background:#62d68d3a;border:1px solid #48cf7987;border-radius:999px;justify-self:start;align-items:center;min-height:24px;padding:0 9px;font-size:.7rem;font-weight:950;display:inline-flex}.study-guide-grounded-source-card{color:var(--text-main,#f8fafc);background:#ffffff12;border:1px solid #e2e8f024;border-radius:8px;grid-template-columns:26px minmax(0,1fr);align-items:center;gap:8px;padding:8px;text-decoration:none;display:grid}.study-guide-grounded-source-card:hover,.study-guide-grounded-source-card:focus-visible{border-color:color-mix(in srgb, var(--study-guide-theme-accent) 42%, #ffffff2e 58%);outline:none}.study-guide-grounded-source-logo{background:#ffffff1a;border-radius:7px;place-items:center;width:26px;height:26px;display:grid;overflow:hidden}.study-guide-grounded-source-logo img{width:18px;height:18px}.study-guide-grounded-source-card span:last-child{gap:2px;min-width:0;display:grid}.study-guide-grounded-source-card strong,.study-guide-grounded-source-card small{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.study-guide-grounded-source-card small{color:var(--btn-text-muted,#cbd5e1);font-size:.72rem;font-weight:700}@keyframes studyGuideInlineImageSpin{to{transform:rotate(360deg)}}@keyframes studyGuideInlineAnswerReveal{0%{opacity:0;clip-path:inset(0 0 100%);filter:blur(3px);transform:translateY(-5px)}38%{opacity:.92;filter:blur(1.2px)}72%{opacity:1;clip-path:inset(0 0 8%);filter:blur(.25px);transform:translateY(0)}to{opacity:1;clip-path:inset(0);filter:blur();transform:translateY(0)}}.study-guide-inline-chat-form{grid-template-columns:minmax(0,1fr);align-items:end;gap:8px;display:grid}.study-guide-inline-chat-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.study-guide-inline-chat-actions .memora-answer-depth-toggle{margin-right:auto}.study-guide-inline-chat-card.is-sidecar .study-guide-inline-chat-actions .memora-answer-depth-toggle{height:30px}.study-guide-inline-chat-input{resize:none;border:1px solid color-mix(in srgb, var(--btn-theme-border,#334155) 76%, #ffffff1f 24%);background:linear-gradient(180deg, color-mix(in srgb, var(--quiz-gen-surface-strong,#0f172a) 72%, transparent 28%) 0%, color-mix(in srgb, var(--quiz-gen-surface-strong,#0f172a) 58%, transparent 42%) 100%);-webkit-backdrop-filter:blur(8px)saturate(104%);min-height:42px;max-height:126px;color:var(--text-main,#e2e8f0);font:inherit;border-radius:8px;outline:none;padding:10px 11px;font-size:.86rem;line-height:1.42;overflow-y:hidden}.study-guide-inline-chat-input:focus{border-color:color-mix(in srgb, var(--g1,#60a5fa) 60%, var(--g2,#f472b6) 24%);box-shadow:0 0 0 3px color-mix(in srgb, var(--g1,#60a5fa) 16%, transparent)}#pdfjs-pages{width:100%;min-height:100%}#pptx-viewer{box-sizing:border-box;width:100%;min-height:100%;padding:0 10px 8px}#pptx-viewer>[data-slide-index]{isolation:isolate;border-radius:4px;max-width:none;position:relative;overflow:visible;margin-bottom:8px!important}#pptx-viewer>[data-slide-index]>div:first-child{border-radius:4px;max-width:none;position:relative;overflow:hidden}#pptx-viewer.pptx-slides-entering[data-pptx-initial-load="1"]>[data-slide-index],#pdfjs-pages.pdf-pages-entering .page{animation:.32s cubic-bezier(.22,1,.36,1) both pdf-page-soft-load}#pdfjs-host.pdf-pane-loading{filter:saturate(.92)brightness(.94);transition:filter .26s,opacity .26s}#pdfjs-host.pdf-pane-loading #pdfjs-pages,#pdfjs-host.pdf-pane-loading #pptx-viewer{visibility:hidden;opacity:0}#pdfjs-host.pdf-pane-loading:before{content:attr(data-loading-label);z-index:8;width:100%;min-height:calc(100% - 18px);color:var(--btn-text-muted,#cbd5e1);letter-spacing:.02em;pointer-events:none;place-items:center;font-size:.78rem;font-weight:700;display:grid;position:sticky;top:0;left:0}body.pdf-tutor-mode #pdfjs-pages.pdf-tutor-unified-zooming{transform:scale(var(--pdf-tutor-unified-zoom-factor,1));transform-origin:var(--pdf-tutor-unified-zoom-origin-x,50%) var(--pdf-tutor-unified-zoom-origin-y,50%);will-change:transform}#pdfjs-pages .page{isolation:isolate;background:#fff;border-radius:4px;position:relative;overflow:hidden;box-shadow:0 1px 4px #02061738;border:0!important;margin:0 auto 1px!important}@keyframes pdf-page-soft-load{0%{opacity:0;filter:saturate(.9)brightness(.94);transform:translateY(8px)scale(.996)}to{opacity:1;filter:none;transform:translateY(0)scale(1)}}body.pdf-tutor-mode #work-area.pdf-tutor-view #pdfjs-pages .page{transition:opacity .22s ease, filter .22s ease, transform var(--pdf-tutor-zoom-duration,.85s) cubic-bezier(.25, 1, .5, 1), transform-origin var(--pdf-tutor-zoom-duration,.85s) cubic-bezier(.25, 1, .5, 1);transform:scale(var(--pdf-tutor-focus-zoom,1));transform-origin:var(--pdf-tutor-focus-origin-x,50%) var(--pdf-tutor-focus-origin-y,50%);will-change:opacity, filter, transform}body.pdf-tutor-readout-active #work-area.pdf-tutor-view:not(.pdf-tutor-quiz-view):not(.pdf-tutor-study-guide-duo) #pdfjs-pages .page:first-child{margin-top:clamp(64px,10vh,136px)!important}body.pdf-tutor-mode #work-area.pdf-tutor-view #pdfjs-pages .page.pdf-tutor-segment-zoomed{z-index:16}body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-study-guide-duo #pdfjs-pages.pdf-tutor-unified-zooming{transform:none!important}body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-study-guide-duo #pdfjs-pages .page,body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-study-guide-duo #pdfjs-pages.pdf-tutor-focus-active .page,body.pdf-tutor-mode #work-area.pdf-tutor-view.pdf-tutor-study-guide-duo #pdfjs-pages .page.pdf-tutor-segment-zoomed{will-change:auto;z-index:auto;transform-origin:50%!important;transition:opacity .16s,filter .16s!important;transform:none!important}#work-area.pdf-tutor-view.pdf-tutor-study-guide-duo .pdf-tutor-focus-layer,#work-area.pdf-tutor-view.pdf-tutor-study-guide-duo .pdf-tutor-focus-region,#work-area.pdf-tutor-view.pdf-tutor-study-guide-duo .pdf-tutor-focus-dim-piece,#work-area.pdf-tutor-view.pdf-tutor-study-guide-duo .pdf-tutor-focus-dim-mask,#work-area.pdf-tutor-view.pdf-tutor-study-guide-duo .pdf-tutor-readout-caption,#work-area.pdf-tutor-view.pdf-tutor-study-guide-duo .pdf-tutor-segment-hitbox,#work-area.pdf-tutor-view.pdf-tutor-study-guide-duo .pdf-tutor-pending-script-overlay{display:none!important}#work-area.pdf-tutor-view.pdf-tutor-study-guide-duo .study-guide-slide-text-hit{outline:2px solid color-mix(in srgb, var(--study-guide-theme-accent) 70%, #fff 30%);box-shadow:0 0 0 4px color-mix(in srgb, var(--study-guide-theme-accent) 18%, transparent);border-radius:4px;transition:background .18s,box-shadow .18s;background:color-mix(in srgb, var(--study-guide-theme-accent) 22%, transparent)!important}@media print{#work-area.pdf-tutor-study-guide-active #pdf-header,#work-area.pdf-tutor-study-guide-active #pdfjs-host,#work-area.pdf-tutor-study-guide-active #pdf-tutor-pane,#work-area.pdf-tutor-study-guide-active .study-guide-heading-toggle,#work-area.pdf-tutor-study-guide-active .study-guide-slide-citation-chip,#work-area.pdf-tutor-study-guide-active .pdf-study-guide-evidence-rail,#work-area.pdf-tutor-study-guide-active .pdf-study-guide-image-controls,#work-area.pdf-tutor-study-guide-active .study-guide-highlight-delete-btn,#work-area.pdf-tutor-study-guide-active .study-guide-ask-tooltip,#work-area.pdf-tutor-study-guide-active .study-guide-inline-chat-card,#work-area.pdf-tutor-study-guide-active .pdf-study-guide-outline,#work-area.pdf-tutor-study-guide-active .study-guide-section-rewrite-group,#work-area.pdf-tutor-study-guide-active .pdf-study-guide-quiz-cta,#work-area.pdf-tutor-study-guide-active .study-guide-highlight-note-badge,#work-area.pdf-tutor-study-guide-active .pdf-study-guide-outline-tooltip,#work-area.pdf-tutor-study-guide-active .study-guide-definition-tooltip{display:none!important}@page{margin:.5in}#work-area.pdf-tutor-study-guide-active .pdf-study-guide-content:not(.study-guide-print-keep-blanks) .study-guide-cloze{color:inherit!important;background:0 0!important;border-bottom:none!important}#work-area.pdf-tutor-study-guide-active .pdf-study-guide-content.study-guide-print-keep-blanks .study-guide-cloze:not(.is-revealed){color:#0000!important;background:0 0!important;border-bottom:1px solid #9ca3af!important}#work-area.pdf-tutor-study-guide-active .dd-section-header[data-study-guide-mastery]{border-left:none!important;padding-left:0!important}#work-area.pdf-tutor-study-guide-active .study-guide-section-collapsed-item{opacity:1!important;max-height:none!important;overflow:visible!important;transform:none!important}#work-area.pdf-tutor-study-guide-active .dd-list-item,#work-area.pdf-tutor-study-guide-active .pdf-study-guide-content table{break-inside:avoid}#work-area.pdf-tutor-study-guide-active .pdf-study-guide-content table{column-span:all;width:100%}#work-area.pdf-tutor-study-guide-active .pdf-study-guide-content .study-guide-text-highlight{color:inherit!important;background:0 0!important;border-bottom:1px solid #6b7280!important}#work-area.pdf-tutor-study-guide-active #pdf-study-guide-host:after{display:none!important}#work-area.pdf-tutor-study-guide-active,#work-area.pdf-tutor-study-guide-active #pdf-pane,#work-area.pdf-tutor-study-guide-active #pdf-study-guide-host{color:#111827!important;width:auto!important;height:auto!important;box-shadow:none!important;background:#fff!important;display:block!important;position:static!important;overflow:visible!important}#work-area.pdf-tutor-study-guide-active #pdf-study-guide-host{padding:.5in!important;-webkit-mask-image:none!important;mask-image:none!important}#work-area.pdf-tutor-study-guide-active .pdf-study-guide-inner,#work-area.pdf-tutor-study-guide-active .pdf-study-guide-content{color:#111827!important;max-width:none!important}#work-area.pdf-tutor-study-guide-active .pdf-study-guide-content .ai-formatted-response{column-count:2;column-gap:.35in;font-size:10.5pt;line-height:1.45}#work-area.pdf-tutor-study-guide-active .pdf-study-guide-content .dd-section-header{break-after:avoid;color:#111827!important;text-shadow:none!important;border-color:#d1d5db!important;animation:none!important}#work-area.pdf-tutor-study-guide-active .pdf-study-guide-image-card{break-inside:avoid;box-shadow:none!important;background:#fff!important;border-color:#d1d5db!important}}body.pdf-tutor-mode #work-area.pdf-tutor-view #pdfjs-pages .page.pdf-tutor-script-pending{min-height:120px}.pdf-tutor-pending-script-overlay{z-index:24;color:#e2e8f0;pointer-events:none;background:linear-gradient(135deg,#0f172adb,#020617b8),#0f172acc;border:1px solid #7dd3fc6b;border-radius:10px;align-items:center;gap:10px;min-width:168px;max-width:calc(100% - 40px);padding:10px 14px;font-size:.76rem;font-weight:900;line-height:1;display:inline-flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 14px 34px #0206174d}.pdf-tutor-pending-script-spinner{border:3px solid #e2e8f038;border-top-color:color-mix(in srgb, var(--g1,#60a5fa) 78%, #fff 22%);border-right-color:color-mix(in srgb, var(--g2,#f472b6) 68%, #fff 32%);border-radius:999px;flex:none;width:20px;height:20px;animation:.9s linear infinite pdf-tutor-pending-spin}.pdf-tutor-pending-script-label{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}@keyframes pdf-tutor-pending-spin{to{transform:rotate(360deg)}}body.pdf-tutor-mode #work-area.pdf-tutor-view #pdfjs-pages.pdf-tutor-spoken-slide-transition .page{transition:opacity 1.4s,filter 1.4s,transform 1.4s cubic-bezier(.25,1,.5,1)}body.pdf-tutor-mode #work-area.pdf-tutor-view #pdfjs-pages.pdf-tutor-spoken-slide-transition .page.pdf-tutor-slide-fade-from{will-change:opacity, filter, transform;opacity:1!important;filter:none!important;transform:scale(1)translateY(0)!important}body.pdf-tutor-mode #work-area.pdf-tutor-view #pdfjs-pages.pdf-tutor-spoken-slide-transition .page.pdf-tutor-slide-fade-from.is-spoken-slide-fading{opacity:.08!important;filter:grayscale(.96)brightness(.3)blur(1.2px)!important;transform:scale(.982)translateY(-10px)!important}body.pdf-tutor-mode #work-area.pdf-tutor-view #pdfjs-pages.pdf-tutor-spoken-slide-transition .page.pdf-tutor-slide-fade-to{will-change:opacity, filter, transform;opacity:.08!important;filter:grayscale(.96)brightness(.3)blur(1.8px)!important;transform:scale(1.022)translateY(12px)!important}body.pdf-tutor-mode #work-area.pdf-tutor-view #pdfjs-pages.pdf-tutor-spoken-slide-transition .page.pdf-tutor-slide-fade-to.is-spoken-slide-fading{opacity:1!important;filter:none!important;transform:scale(1)translateY(0)!important}#pdfjs-pages.pdfViewer .page{border:0!important;margin:0 auto 1px!important}body.ask-memora-layout-transitioning #pdfjs-pages .page,body.ask-memora-layout-transitioning #pdfjs-pages .page canvas{transition:none!important;animation-play-state:paused!important}#pdfjs-pages .page.ask-ai-source-page-flash,.pdfViewer .page.ask-ai-source-page-flash{animation:1.45s ease-out both ask-ai-source-page-flash}@keyframes ask-ai-source-page-flash{0%{filter:saturate(1.22)brightness(1.04);box-shadow:0 0 0 4px #fbd336,0 18px 50px #facc1547}to{filter:none;box-shadow:0 1px 4px #02061738}}#pdfjs-pages .page.evidence-target-page,#pptx-viewer>[data-slide-index].evidence-target-page{z-index:8;box-shadow:0 0 0 3px color-mix(in srgb, var(--g1,#60a5fa) 78%, #fff 22%), 0 16px 46px #0206175c, 0 0 32px color-mix(in srgb, var(--g2,#f472b6) 42%, transparent);filter:saturate(1.22)contrast(1.08);outline:none}#pdfjs-pages .page.evidence-target-page:before,#pptx-viewer>[data-slide-index].evidence-target-page:before{content:"";pointer-events:none;background:linear-gradient(180deg, var(--g1,#60a5fa), var(--g2,#f472b6));width:6px;box-shadow:0 0 10px color-mix(in srgb, var(--g1,#60a5fa) 38%, transparent);z-index:3;border-radius:0 999px 999px 0;position:absolute;inset:16px auto 16px 0}#pdfjs-pages .page.evidence-target-page:after,#pptx-viewer>[data-slide-index].evidence-target-page:after{content:"";pointer-events:none;border-radius:inherit;background:linear-gradient(90deg, var(--g1,#60a5fa), var(--g2,#f472b6)) left top / 92px 4px no-repeat, linear-gradient(180deg, var(--g1,#60a5fa), var(--g2,#f472b6)) left top / 4px 92px no-repeat, linear-gradient(90deg, var(--g2,#f472b6), var(--g1,#60a5fa)) right bottom / 92px 4px no-repeat, linear-gradient(180deg, var(--g2,#f472b6), var(--g1,#60a5fa)) right bottom / 4px 92px no-repeat;filter:drop-shadow(0 0 8px color-mix(in srgb, var(--g1,#60a5fa) 46%, transparent));z-index:3;border:0;position:absolute;inset:9px}#pdfjs-pages .page.evidence-target-page>.canvasWrapper{box-shadow:none}body.pdf-tutor-mode #work-area.pdf-tutor-view #pdfjs-pages .page.evidence-target-page{filter:none;outline:none;box-shadow:0 1px 4px #02061738}body.pdf-tutor-mode #work-area.pdf-tutor-view #pdfjs-pages .page.evidence-target-page:before,body.pdf-tutor-mode #work-area.pdf-tutor-view #pdfjs-pages .page.evidence-target-page:after{display:none!important}body.pdf-tutor-mode #work-area.pdf-tutor-view #pdfjs-pages .page.evidence-target-page>.canvasWrapper{box-shadow:none}body.pdf-tutor-mode #work-area.pdf-tutor-view .pdf-evidence-ask-layer,body.pdf-tutor-mode #work-area.pdf-tutor-view .pdf-evidence-ask-layer:before,body.pdf-tutor-mode #work-area.pdf-tutor-view #pdfjs-pages .pdf-evidence-selection-hitbox,body.pdf-tutor-mode #work-area.pdf-tutor-view #pdfjs-pages .pdf-evidence-selection-hitbox:before,body.pdf-tutor-mode #work-area.pdf-tutor-view #pdfjs-pages .pdf-evidence-selection-hitbox:after{pointer-events:none!important;display:none!important}#pdfjs-pages .page canvas{display:block}.pdf-tutor-focus-page{z-index:10;opacity:1;filter:none;transition:opacity .18s,filter .18s;overflow:visible!important}body.pdf-tutor-readout-active #pdfjs-pages .page.pdf-tutor-focus-page{outline:1px solid color-mix(in srgb, var(--g1,#60a5fa) 32%, #ffffff38 68%);outline-offset:4px;box-shadow:0 0 0 1px color-mix(in srgb, var(--g2,#f472b6) 10%, transparent), 0 0 24px color-mix(in srgb, var(--g1,#60a5fa) 10%, transparent);margin-bottom:clamp(118px,20vh,210px)!important}body.pdf-tutor-mode #pdfjs-pages.pdf-tutor-focus-active .page:not(.pdf-tutor-focus-page){opacity:.08;filter:grayscale(.96)brightness(.3)blur(.4px);pointer-events:auto;cursor:pointer}body.pdf-tutor-mode #pdfjs-pages.pdf-tutor-focus-active .page.pdf-tutor-user-undimmed:not(.pdf-tutor-focus-page){opacity:1;filter:none;cursor:pointer}body.pdf-tutor-silent-study #pdfjs-pages.pdf-tutor-focus-active .page,body.pdf-tutor-silent-study #pdfjs-pages.pdf-tutor-focus-active .page:not(.pdf-tutor-focus-page){opacity:1;filter:none;cursor:default}body.pdf-tutor-silent-study .pdf-tutor-focus-layer:before{display:none!important}body.pdf-tutor-silent-study #pdfjs-pages .page,body.pdf-tutor-silent-study .pdf-tutor-focus-layer{overflow:visible!important}body.pdf-tutor-silent-study .pdf-tutor-focus-layer{z-index:40}body.pdf-evidence-ask-selecting #pdfjs-pages .page,body.pdf-evidence-ask-selecting #pptx-viewer>[data-slide-index]{cursor:crosshair}body.pdf-evidence-ask-selecting{cursor:crosshair;user-select:none}.pdf-evidence-ask-layer:before{display:none!important}#pdfjs-pages .pdf-evidence-selection-hitbox,#pptx-viewer .pdf-evidence-selection-hitbox{z-index:92;border:2px solid color-mix(in srgb, var(--g2,#f472b6) 56%, var(--g1,#60a5fa) 44%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 10%, transparent), color-mix(in srgb, var(--g2,#f472b6) 8%, transparent));box-shadow:inset 0 0 0 1px #ffffff24, 0 0 24px color-mix(in srgb, var(--g2,#f472b6) 16%, transparent);transition:opacity .14s,border-color .16s,background .16s,box-shadow .16s}body:not(.pdf-evidence-highlights-visible) #pdfjs-pages .pdf-evidence-selection-hitbox:not(.is-drawing):not(.is-asking),body:not(.pdf-evidence-highlights-visible) #pptx-viewer .pdf-evidence-selection-hitbox:not(.is-drawing):not(.is-asking){opacity:0;pointer-events:none}#pdfjs-pages .pdf-evidence-selection-hitbox.is-drawing,#pptx-viewer .pdf-evidence-selection-hitbox.is-drawing{z-index:94;pointer-events:none;border-style:dashed}#pdfjs-pages .pdf-evidence-selection-hitbox.has-thread:hover,#pdfjs-pages .pdf-evidence-selection-hitbox.has-thread.is-hovering,#pdfjs-pages .pdf-evidence-selection-hitbox.has-thread:focus-visible,#pptx-viewer .pdf-evidence-selection-hitbox.has-thread:hover,#pptx-viewer .pdf-evidence-selection-hitbox.has-thread.is-hovering,#pptx-viewer .pdf-evidence-selection-hitbox.has-thread:focus-visible{border-style:solid;border-color:color-mix(in srgb, var(--g2,#f472b6) 70%, var(--g1,#60a5fa) 30%);background:color-mix(in srgb, var(--g2,#f472b6) 9%, transparent);box-shadow:inset 0 0 0 1px #ffffff1a, 0 0 20px color-mix(in srgb, var(--g2,#f472b6) 14%, transparent)}#pdfjs-pages .pdf-evidence-selection-hitbox.is-asking,#pptx-viewer .pdf-evidence-selection-hitbox.is-asking{z-index:130;border-style:solid;border-color:color-mix(in srgb, var(--g1,#60a5fa) 76%, #ffffff57 24%);background:color-mix(in srgb, var(--g1,#60a5fa) 12%, transparent);box-shadow:inset 0 0 0 1px #ffffff1f, 0 0 22px color-mix(in srgb, var(--g1,#60a5fa) 16%, transparent)}#pdfjs-pages .pdf-evidence-selection-hitbox.is-asking .pdf-tutor-focus-ask-card,#pptx-viewer .pdf-evidence-selection-hitbox.is-asking .pdf-tutor-focus-ask-card{z-index:calc(var(--z-ask-memora-modal,2147480000) + 120)}.pdf-tutor-focus-region.is-asking,.pdf-tutor-segment-hitbox.is-asking,body.pdf-tutor-silent-study .pdf-tutor-custom-selection-hitbox.is-asking,#pdfjs-pages .pdf-evidence-selection-hitbox.is-asking,#pptx-viewer .pdf-evidence-selection-hitbox.is-asking{z-index:calc(var(--z-ask-memora-modal,2147480000) + 110)!important}#pdfjs-pages .pdf-evidence-selection-hitbox .pdf-tutor-focus-action-row,#pdfjs-pages .pdf-evidence-selection-hitbox .pdf-tutor-focus-ask-btn,#pptx-viewer .pdf-evidence-selection-hitbox .pdf-tutor-focus-action-row,#pptx-viewer .pdf-evidence-selection-hitbox .pdf-tutor-focus-ask-btn{right:34px}body.pdf-tutor-readout-active #work-area.pdf-tutor-view #resize-pdf-ai{opacity:0;pointer-events:none;cursor:default}#pdfjs-host.pdf-tutor-scroll-locked{touch-action:none;overscroll-behavior:contain;pointer-events:none!important;overflow:hidden!important}.pdf-tutor-focus-layer{z-index:14;pointer-events:none;border-radius:inherit;opacity:1;transition:opacity .12s;animation:none;position:absolute;inset:0;overflow:visible}.pdf-tutor-focus-layer.pdf-tutor-occlusion-layer{z-index:40}#pdfjs-pages .pdf-tutor-occlusion-cover-stage{z-index:12;pointer-events:none;filter:drop-shadow(0 0 1px color-mix(in srgb, var(--g1) 54%, var(--app-border)));position:absolute;inset:0}#pdfjs-pages .pdf-tutor-occlusion-cover-stage.is-editing{filter:none}#pdfjs-pages .pdf-tutor-occlusion-cover{z-index:12;pointer-events:auto;cursor:pointer;touch-action:none;min-width:8px;min-height:8px;color:var(--text-main);background:var(--bg);box-shadow:none;border:1px solid #0000;border-radius:4px;place-items:center;transition:background .14s,border-color .14s,box-shadow .14s;display:grid;position:absolute;overflow:visible}#pdfjs-pages .pdf-tutor-occlusion-cover.is-spawning{transform-origin:50%;animation:pdf-tutor-occlusion-spawn .3s cubic-bezier(.16, 1, .3, 1) var(--pdf-tutor-occlusion-spawn-delay,0s) both}@keyframes pdf-tutor-occlusion-spawn{0%{opacity:0;transform:translateY(4px)scale(.94)}to{opacity:1;transform:translateY(0)scale(1)}}#pdfjs-pages .pdf-tutor-occlusion-cover:hover,#pdfjs-pages .pdf-tutor-occlusion-cover:focus-visible{border-color:var(--btn-theme-border);box-shadow:0 0 0 2px color-mix(in srgb, var(--g1) 38%, transparent);outline:none}#pdfjs-pages .pdf-tutor-occlusion-cover-hint{max-width:calc(100% - 8px);color:var(--btn-text-muted);text-align:center;text-overflow:ellipsis;white-space:nowrap;user-select:none;font-size:.68rem;font-weight:800;line-height:1.1;overflow:hidden}#pdfjs-pages .pdf-tutor-occlusion-cover.is-revealed{border-color:color-mix(in srgb, var(--g1) 62%, var(--app-border));box-shadow:0 0 0 1px color-mix(in srgb, var(--g1) 22%, transparent);background:0 0}#pdfjs-pages .pdf-tutor-occlusion-cover.is-grading{z-index:24}#pdfjs-pages .pdf-tutor-occlusion-cover.is-got-it{border-color:color-mix(in srgb, var(--g1) 72%, var(--app-border))}#pdfjs-pages .pdf-tutor-occlusion-cover.is-missed-it{border-color:color-mix(in srgb, var(--g2) 72%, var(--app-border))}#pdfjs-pages .pdf-tutor-occlusion-grades{z-index:2;border:1px solid var(--app-border);border-radius:var(--btn-radius-sm);background:var(--bg);box-shadow:var(--btn-shadow-soft);white-space:nowrap;gap:5px;padding:5px;display:inline-flex;position:absolute;bottom:calc(100% + 6px);left:0}#pdfjs-pages .pdf-tutor-occlusion-cover.is-grade-below .pdf-tutor-occlusion-grades{top:calc(100% + 6px);bottom:auto}#pdfjs-pages .pdf-tutor-occlusion-cover.is-grade-left .pdf-tutor-occlusion-grades{left:auto;right:0}#pdfjs-pages .pdf-tutor-occlusion-grade,.pdf-tutor-occlusion-hud-btn{min-height:26px;color:var(--btn-text);font:inherit;border:1px solid var(--app-border);border-radius:var(--btn-radius-sm);background:var(--btn-surface);cursor:pointer;padding:4px 8px;font-size:.7rem;font-weight:800;line-height:1}#pdfjs-pages .pdf-tutor-occlusion-grade:hover,#pdfjs-pages .pdf-tutor-occlusion-grade:focus-visible,.pdf-tutor-occlusion-hud-btn:hover,.pdf-tutor-occlusion-hud-btn:focus-visible{border-color:var(--btn-theme-border);background:var(--btn-surface-hover);outline:none}#pdfjs-pages .pdf-tutor-occlusion-grade--got-it{border-color:color-mix(in srgb, var(--g1) 66%, var(--app-border))}#pdfjs-pages .pdf-tutor-occlusion-grade--missed-it{border-color:color-mix(in srgb, var(--g2) 66%, var(--app-border))}#pdfjs-pages .pdf-tutor-occlusion-edit-surface{z-index:8;pointer-events:auto;cursor:crosshair;position:absolute;inset:0}#pdfjs-pages .pdf-tutor-occlusion-cover.is-editing{z-index:16;background:color-mix(in srgb, var(--g1) 12%, transparent);border:2px dashed var(--btn-theme-border);cursor:move}#pdfjs-pages .pdf-tutor-occlusion-resize-handle{z-index:2;pointer-events:auto;display:block;position:absolute}#pdfjs-pages .pdf-tutor-occlusion-resize-handle[data-occlusion-resize-handle=n],#pdfjs-pages .pdf-tutor-occlusion-resize-handle[data-occlusion-resize-handle=s]{cursor:ns-resize;height:12px;left:9px;right:9px}#pdfjs-pages .pdf-tutor-occlusion-resize-handle[data-occlusion-resize-handle=n]{top:-7px}#pdfjs-pages .pdf-tutor-occlusion-resize-handle[data-occlusion-resize-handle=s]{bottom:-7px}#pdfjs-pages .pdf-tutor-occlusion-resize-handle[data-occlusion-resize-handle=e],#pdfjs-pages .pdf-tutor-occlusion-resize-handle[data-occlusion-resize-handle=w]{cursor:ew-resize;width:12px;top:9px;bottom:9px}#pdfjs-pages .pdf-tutor-occlusion-resize-handle[data-occlusion-resize-handle=e]{right:-7px}#pdfjs-pages .pdf-tutor-occlusion-resize-handle[data-occlusion-resize-handle=w]{left:-7px}#pdfjs-pages .pdf-tutor-occlusion-resize-handle[data-occlusion-resize-handle=ne],#pdfjs-pages .pdf-tutor-occlusion-resize-handle[data-occlusion-resize-handle=se],#pdfjs-pages .pdf-tutor-occlusion-resize-handle[data-occlusion-resize-handle=sw],#pdfjs-pages .pdf-tutor-occlusion-resize-handle[data-occlusion-resize-handle=nw]{width:14px;height:14px}#pdfjs-pages .pdf-tutor-occlusion-resize-handle[data-occlusion-resize-handle=ne]{cursor:nesw-resize;top:-8px;right:-8px}#pdfjs-pages .pdf-tutor-occlusion-resize-handle[data-occlusion-resize-handle=se]{cursor:nwse-resize;bottom:-8px;right:-8px}#pdfjs-pages .pdf-tutor-occlusion-resize-handle[data-occlusion-resize-handle=sw]{cursor:nesw-resize;bottom:-8px;left:-8px}#pdfjs-pages .pdf-tutor-occlusion-resize-handle[data-occlusion-resize-handle=nw]{cursor:nwse-resize;top:-8px;left:-8px}#pdfjs-pages .pdf-tutor-occlusion-cover.is-drawing{z-index:18;pointer-events:none}#pdfjs-pages .pdf-tutor-occlusion-delete{z-index:2;width:22px;height:22px;color:var(--btn-text);font:inherit;border:1px solid var(--app-border);background:var(--bg);cursor:pointer;border-radius:50%;place-items:center;padding:0;font-size:.82rem;font-weight:900;line-height:1;display:grid;position:absolute;top:-11px;right:-11px}#pdfjs-pages .pdf-tutor-occlusion-delete:hover,#pdfjs-pages .pdf-tutor-occlusion-delete:focus-visible{border-color:color-mix(in srgb, var(--g2) 72%, var(--app-border));outline:none}.pdf-tutor-occlusion-hud{z-index:34;pointer-events:auto;max-width:calc(100% - 20px);color:var(--btn-text);border:1px solid var(--app-border);border-radius:var(--btn-radius-pill);background:var(--bg);box-shadow:var(--btn-shadow-soft);align-items:center;gap:6px;padding:6px 8px;display:flex;position:absolute;top:10px;left:50%;transform:translate(-50%)}.pdf-tutor-occlusion-hud-copy{color:var(--btn-text-muted);text-overflow:ellipsis;white-space:nowrap;flex:none;font-size:.7rem;font-weight:800;overflow:hidden}.pdf-tutor-occlusion-hud-btn:disabled{cursor:default;opacity:.52}html.phone-device .pdf-tutor-occlusion-control,html.ipad-like-device .pdf-tutor-occlusion-control{display:none!important}@media (prefers-reduced-motion:reduce){#pdfjs-pages .pdf-tutor-occlusion-cover.is-spawning,.pdf-tutor-occlusion-quality-choice{animation:none!important}}#pdfjs-pages .page.pdf-tutor-focus-ask-stack-host{z-index:calc(var(--z-ask-memora-modal,2147480000) + 100);position:relative;overflow:visible!important}.pdf-tutor-focus-layer.pdf-tutor-focus-ask-stack-host{z-index:calc(var(--z-ask-memora-modal,2147480000) + 110);overflow:visible!important}.pdf-tutor-focus-region.pdf-tutor-focus-ask-stack-host,.pdf-tutor-segment-hitbox.pdf-tutor-focus-ask-stack-host{z-index:calc(var(--z-ask-memora-modal,2147480000) + 120);overflow:visible!important}.pdf-tutor-focus-layer.is-fading-out{opacity:0}.pdf-tutor-focus-layer.is-segment-fading-in .pdf-tutor-focus-region:not(.is-orbit-board):before{content:"";z-index:0;box-shadow:none;pointer-events:none;animation:pdf-tutor-segment-focus-wash-in var(--pdf-tutor-segment-focus-fade-duration,.5s) ease-out both;background:#ffffff14;border-radius:12px;position:absolute;inset:-2px}.pdf-tutor-focus-layer.is-segment-fading-in .pdf-tutor-focus-region:not(.is-orbit-board):after{content:"";z-index:2;pointer-events:none;animation:pdf-tutor-segment-brighten-in var(--pdf-tutor-segment-focus-fade-duration,.5s) ease-out both;background:#02061794;border-radius:10px;display:block;position:absolute;inset:-2px}.pdf-tutor-focus-layer:before{content:"";z-index:1;background:radial-gradient(circle at 50% 44%,#ffffff09,#0000 42%),#020617ad;position:absolute;inset:0}.pdf-tutor-focus-layer.has-focus-boxes:before,.pdf-tutor-focus-layer.is-undimmed:before{display:none}.pdf-tutor-focus-dim-piece,.pdf-tutor-focus-dim-mask{z-index:2;pointer-events:none;width:100%;height:100%;display:block;position:absolute;inset:0}.pdf-tutor-focus-dim-piece{background:#020617ad}.pdf-tutor-readout-caption{z-index:18;background:linear-gradient(180deg, color-mix(in srgb, var(--card-bg,#0f172a) 58%, #ffffff29 42%), color-mix(in srgb, var(--card-bg,#0f172a) 64%, #ffffff1f 36%));pointer-events:none;--pdf-tutor-caption-line-height:1.04rem;will-change:transform;border:1px solid #cbd5e138;border-radius:12px;grid-template-columns:18px minmax(0,1fr) 18px;align-items:start;column-gap:6px;width:min(900px,100% - 36px);padding:6px 14px 7px;transition:border-color .22s,background .22s,box-shadow .22s,transform .24s cubic-bezier(.2,.8,.2,1),opacity .18s;animation:.55s cubic-bezier(.25,1,.5,1) both pdf-caption-slide-fade;display:grid;position:absolute;top:calc(100% + 8px);left:50%;overflow:hidden;transform:translate(-50%);box-shadow:0 12px 28px #02061738,inset 0 1px #ffffff1a}.pdf-tutor-focus-layer>.pdf-tutor-segment-counter{z-index:16;border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 50%, #fff3);background:color-mix(in srgb, var(--card-bg,#0f172a) 76%, #020617b8 24%);min-width:46px;color:color-mix(in srgb, var(--text-main,#e2e8f0) 96%, #fff 4%);text-align:center;font-variant-numeric:tabular-nums;pointer-events:none;border-radius:999px;padding:5px 9px;font-size:.74rem;font-weight:900;line-height:1;position:absolute;bottom:12px;right:12px;box-shadow:0 10px 24px #0206175c}.pdf-tutor-focus-layer.pdf-tutor-focus-ask-stack-host>.pdf-tutor-segment-counter{z-index:0;opacity:0;visibility:hidden}.pdf-tutor-segment-counter[hidden]{display:none!important}.pdf-tutor-readout-caption.is-reading{border-color:color-mix(in srgb, var(--g1,#60a5fa) 38%, #cbd5e138 62%);box-shadow:0 14px 34px #02061742, 0 0 28px color-mix(in srgb, var(--g1,#60a5fa) 10%, transparent), inset 0 1px 0 #ffffff1f}.pdf-tutor-readout-caption.is-paused{background:linear-gradient(180deg, color-mix(in srgb, var(--card-bg,#0f172a) 64%, #ef444421 36%), color-mix(in srgb, var(--card-bg,#0f172a) 70%, #ffffff17 30%));border-color:#e56d7078;transform:translate(-50%)translateY(2px)scale(.995);box-shadow:0 10px 24px #02061733,inset 0 1px #ffffff14}.pdf-tutor-readout-caption-status{vertical-align:middle;background:#4ad27c;border-radius:999px;width:10px;height:10px;margin:0 .46em 0 0;transition:background .14s,box-shadow .14s;display:inline-block;transform:translateY(-1px);box-shadow:0 0 0 1px #ffffff2e,0 0 14px #22c55e6b}.pdf-tutor-readout-caption.is-reading .pdf-tutor-readout-caption-status{animation:1.8s ease-in-out infinite pdf-tutor-readout-status-pulse}.pdf-tutor-readout-caption.is-paused .pdf-tutor-readout-caption-status{background:#f36767;animation:none;transform:translateY(-1px);box-shadow:0 0 0 1px #ffffff2e,0 0 14px #ef444461}.pdf-tutor-readout-caption-lines{width:100%;min-width:0;height:calc((var(--pdf-tutor-caption-line-height) * 3) + 8px);opacity:1;flex-direction:column;grid-area:1/1/auto/-1;justify-content:flex-start;align-items:stretch;gap:4px;padding-inline:26px;transition:opacity .24s,transform .24s;display:flex;overflow:hidden;transform:translateY(0)}.pdf-tutor-readout-caption-lines.is-transitioning{opacity:0;transform:translateY(4px)}.pdf-tutor-readout-caption-lines.is-window-shifting{opacity:.32;transform:translateY(-5px)}.pdf-tutor-readout-caption-line{width:100%;min-height:var(--pdf-tutor-caption-line-height);color:color-mix(in srgb, var(--text-main,#f8fafc) 62%, #94a3b8 38%);font-size:clamp(.62rem,.58rem + .1vw,.74rem);font-weight:900;line-height:var(--pdf-tutor-caption-line-height);letter-spacing:0;text-align:center;white-space:nowrap;text-overflow:ellipsis;text-shadow:0 2px 4px #020617f2,0 0 18px #020617d1;opacity:1;transition:opacity .26s,transform .26s,filter .26s,color .22s;overflow:hidden;transform:translateY(0)}.pdf-tutor-readout-caption-line.is-active{color:var(--text-main,#f8fafc);filter:none;transform:none}.pdf-tutor-readout-caption-line.is-fading{opacity:.2;filter:blur(.25px);transform:translateY(-5px)}.pdf-tutor-readout-word{color:color-mix(in srgb, var(--text-main,#f8fafc) 58%, #94a3b8 42%);opacity:.74;background:0 0;border-radius:.32em;margin-right:.28em;padding:0 .03em;transition:color .17s,opacity .17s,background-color .17s,text-shadow .17s,filter .17s;display:inline-block}.pdf-tutor-readout-word.is-spoken{color:color-mix(in srgb, var(--g1,#60a5fa) 60%, #fff 40%);opacity:.95;text-shadow:0 2px 4px #020617f2, 0 0 12px color-mix(in srgb, var(--g1,#60a5fa) 22%, transparent)}.pdf-tutor-readout-word.is-current{color:var(--text-main,#f8fafc);background:color-mix(in srgb, var(--g1,#60a5fa) 16%, transparent);text-shadow:0 2px 4px #020617f2, 0 0 14px color-mix(in srgb, var(--g1,#60a5fa) 24%, transparent)}.pdf-tutor-readout-caption.is-paused .pdf-tutor-readout-caption-lines{opacity:.82;transform:translateY(2px)}.pdf-tutor-readout-caption.is-paused .pdf-tutor-readout-word.is-current{color:var(--text-main,#f8fafc);text-shadow:0 2px 4px #020617e6,0 0 10px #ef444433;background:#ef44441a}.pdf-tutor-focus-region{z-index:5;box-sizing:border-box;min-width:20px;min-height:16px;box-shadow:none;opacity:1;pointer-events:auto;cursor:pointer;background:0 0;border:0;border-radius:8px;transition:left .22s,top .22s,width .22s,height .22s,transform .24s cubic-bezier(.2,.8,.2,1),box-shadow .18s;animation:none;position:absolute}.pdf-tutor-focus-region.is-circle,.pdf-tutor-segment-hitbox.is-circle,.pdf-tutor-focus-layer.is-segment-fading-in .pdf-tutor-focus-region.is-circle:not(.is-orbit-board):before,.pdf-tutor-focus-layer.is-segment-fading-in .pdf-tutor-focus-region.is-circle:not(.is-orbit-board):after,.pdf-tutor-focus-region.is-circle.is-orbit-board:before,.pdf-tutor-segment-hitbox.is-circle.is-orbit-board:before{border-radius:50%}.pdf-tutor-focus-region.is-asking{z-index:calc(var(--z-ask-memora-modal,2147480000) + 110);cursor:default;transform:scale(1.018)}.pdf-tutor-focus-region.is-orbit-board:before{content:"";z-index:1;border:2px solid color-mix(in srgb, var(--g1,#60a5fa) 58%, #fff 42%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 10%, transparent), color-mix(in srgb, var(--g2,#f472b6) 8%, transparent));box-shadow:0 18px 44px #0206176b, 0 0 0 1px #ffffff29, 0 0 34px color-mix(in srgb, var(--g1,#60a5fa) 28%, transparent);pointer-events:none;border-radius:12px;animation:.28s cubic-bezier(.2,.8,.2,1) both pdf-tutor-focus-source-lift;position:absolute;inset:-10px}.pdf-tutor-segment-hitbox{z-index:4;opacity:1;pointer-events:auto;cursor:pointer;background:0 0;border:0;border-radius:8px;min-width:20px;min-height:16px;position:absolute}body.pdf-tutor-silent-study .pdf-tutor-segment-hitbox{border:1px dotted color-mix(in srgb, var(--g1,#60a5fa) 54%, #ffffff70 46%);opacity:1;box-shadow:none;background:0 0;transition:border-color .16s,background .16s,box-shadow .16s}body.pdf-tutor-silent-study .pdf-tutor-segment-hitbox:not(.pdf-tutor-custom-selection-hitbox){pointer-events:none;display:none!important}.pdf-tutor-slide-quiz-dock{z-index:120;pointer-events:auto;flex-direction:column;align-items:flex-start;transition:right .18s;display:inline-flex;position:absolute;top:14px;right:-34px}.pdf-tutor-slide-quiz-trigger{border:1px solid var(--btn-border);background:linear-gradient(155deg, color-mix(in srgb, var(--g1,#60a5fa) 16%, var(--btn-surface-soft) 84%), color-mix(in srgb, var(--g2,#f472b6) 14%, var(--btn-surface-soft) 86%));width:34px;min-width:34px;height:32px;color:var(--btn-text);box-shadow:var(--btn-shadow-soft);cursor:pointer;border-left:none;border-radius:0 10px 10px 0;justify-content:center;align-items:center;gap:7px;padding:0 10px;transition:width .18s,border-color .18s,box-shadow .18s,background .18s;display:inline-flex}.pdf-tutor-slide-quiz-dock.is-open{right:-34px}.pdf-tutor-slide-quiz-dock.is-open .pdf-tutor-slide-quiz-trigger{width:88px}.pdf-tutor-slide-quiz-dock.is-open .pdf-tutor-slide-quiz-trigger,.pdf-tutor-slide-quiz-trigger:hover{border-color:var(--btn-border-strong);box-shadow:var(--btn-shadow-hover)}.pdf-tutor-slide-quiz-mark{background:color-mix(in srgb, var(--g1,#60a5fa) 58%, #fff 42%);clip-path:polygon(0 0,100% 0,100% 100%,50% 77%,0 100%);border-radius:1px;flex:none;width:10px;height:14px;box-shadow:inset 0 0 0 1px #ffffff24}.pdf-tutor-slide-quiz-label{color:var(--btn-text);opacity:0;white-space:nowrap;max-width:0;font-size:.72rem;font-weight:800;transition:max-width .18s,opacity .18s;overflow:hidden}.pdf-tutor-slide-quiz-dock.is-open .pdf-tutor-slide-quiz-label{opacity:1;max-width:42px}.pdf-tutor-slide-quiz-menu{border:1px solid var(--btn-border);background:linear-gradient(168deg, color-mix(in srgb, var(--card-bg,#0f172aeb) 92%, #ffffff0a 8%), color-mix(in srgb, var(--card-bg,#0f172aeb) 92%, var(--g1,#60a5fa) 8%));backdrop-filter:blur(15px);opacity:0;visibility:hidden;pointer-events:none;transform-origin:100% 0;border-radius:8px;min-width:176px;padding:8px;transition:opacity .16s,transform .16s,visibility 0s linear .16s;position:absolute;top:0;left:auto;right:calc(100% + 8px);transform:translate(6px)scale(.98);box-shadow:0 12px 28px #02061780,inset 0 1px #ffffff0d}.pdf-tutor-slide-quiz-menu[hidden]{display:block}.pdf-tutor-slide-quiz-dock.is-open .pdf-tutor-slide-quiz-menu{opacity:1;visibility:visible;pointer-events:auto;transition-delay:0s;transform:translate(0)scale(1)}.pdf-tutor-slide-quiz-option{width:100%;color:var(--btn-text-muted);text-align:left;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;margin:2px 0;padding:8px 10px;font-size:.82rem;font-weight:700;display:flex}.pdf-tutor-slide-quiz-option:hover,.pdf-tutor-slide-quiz-option:focus-visible{background:var(--btn-surface-hover);border-color:var(--btn-border-strong);outline:none}body.pdf-tutor-silent-study .pdf-tutor-segment-hitbox:hover,body.pdf-tutor-silent-study .pdf-tutor-segment-hitbox.is-hovering,body.pdf-tutor-silent-study .pdf-tutor-segment-hitbox:focus-visible{border-color:color-mix(in srgb, var(--g1,#60a5fa) 72%, #ffffff61 28%);background:color-mix(in srgb, var(--g1,#60a5fa) 10%, transparent)}body.pdf-tutor-silent-study .pdf-tutor-segment-hitbox.is-asking{border-style:solid;border-color:color-mix(in srgb, var(--g1,#60a5fa) 76%, #ffffff57 24%);background:color-mix(in srgb, var(--g1,#60a5fa) 12%, transparent);box-shadow:inset 0 0 0 1px #ffffff1f, 0 0 22px color-mix(in srgb, var(--g1,#60a5fa) 16%, transparent)}body.pdf-tutor-silent-study .pdf-tutor-custom-selection-hitbox{z-index:92;border:2px solid color-mix(in srgb, var(--g2,#f472b6) 56%, var(--g1,#60a5fa) 44%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 10%, transparent), color-mix(in srgb, var(--g2,#f472b6) 8%, transparent));box-shadow:inset 0 0 0 1px #ffffff24, 0 0 24px color-mix(in srgb, var(--g2,#f472b6) 16%, transparent)}body.pdf-tutor-silent-study .pdf-tutor-custom-selection-hitbox.is-drawing{z-index:94;pointer-events:none;border-style:dashed}body.pdf-tutor-silent-selecting{cursor:crosshair}body.pdf-tutor-silent-study .pdf-tutor-segment-hitbox.has-thread:hover,body.pdf-tutor-silent-study .pdf-tutor-segment-hitbox.has-thread.is-hovering,body.pdf-tutor-silent-study .pdf-tutor-segment-hitbox.has-thread:focus-visible{border-style:solid;border-color:color-mix(in srgb, var(--g2,#f472b6) 70%, var(--g1,#60a5fa) 30%);background:color-mix(in srgb, var(--g2,#f472b6) 9%, transparent);box-shadow:inset 0 0 0 1px #ffffff1a, 0 0 20px color-mix(in srgb, var(--g2,#f472b6) 14%, transparent)}body.pdf-tutor-silent-study .pdf-tutor-segment-hitbox.is-asking,body.pdf-tutor-silent-study .pdf-tutor-focus-region.is-asking{z-index:calc(var(--z-ask-memora-modal,2147480000) + 125)!important}body.pdf-tutor-silent-study .pdf-tutor-segment-hitbox.is-asking .pdf-tutor-focus-ask-card{z-index:calc(var(--z-ask-memora-modal,2147480000) + 140)}body.pdf-tutor-silent-study #pdfjs-pages .page.pdf-tutor-focus-ask-stack-host,body.pdf-tutor-silent-study .pdf-tutor-focus-layer.pdf-tutor-focus-ask-stack-host,body.pdf-tutor-silent-study .pdf-tutor-focus-region.pdf-tutor-focus-ask-stack-host,body.pdf-tutor-silent-study .pdf-tutor-segment-hitbox.pdf-tutor-focus-ask-stack-host{z-index:calc(var(--z-ask-memora-modal,2147480000) + 130)!important;overflow:visible!important}body.pdf-tutor-silent-study .pdf-tutor-focus-ask-card{z-index:calc(var(--z-ask-memora-modal,2147480000) + 140)}.pdf-tutor-focus-ask-portal{z-index:calc(var(--z-ask-memora-modal,2147480000) + 100);pointer-events:none;position:fixed;inset:0}.pdf-tutor-focus-ask-portal>.pdf-tutor-focus-ask-card{pointer-events:auto;gap:9px;animation:none;display:grid}body.pdf-tutor-silent-study .pdf-tutor-focus-dim-mask,body.pdf-tutor-silent-study .pdf-tutor-focus-dim-piece,body.pdf-tutor-silent-study .pdf-tutor-text-highlight,body.pdf-tutor-silent-study .pdf-tutor-readout-caption{display:none!important}body.pdf-tutor-silent-study .pdf-tutor-focus-region{border:1px solid color-mix(in srgb, var(--g2,#f472b6) 48%, var(--g1,#60a5fa) 52%);background:color-mix(in srgb, var(--g1,#60a5fa) 7%, transparent);box-shadow:0 0 0 1px #ffffff1f,0 12px 28px #02061733}body.pdf-tutor-pdf-zooming .pdf-tutor-focus-layer,body.pdf-tutor-pdf-zooming .pdf-tutor-focus-region,body.pdf-tutor-pdf-zooming .pdf-tutor-segment-hitbox,body.pdf-tutor-pdf-zooming .pdf-tutor-focus-ask-card,body.pdf-tutor-pdf-zooming .pdf-tutor-text-highlight{transition:none!important;animation:none!important}.pdf-tutor-text-highlight{z-index:2;opacity:1;mix-blend-mode:normal;background:#ffeb3bb8;border-radius:6px;transition:left .22s,top .22s,width .22s,height .22s,opacity .18s;animation:none;display:none;position:absolute;box-shadow:0 0 0 1px #ffffffd6,0 0 18px #facc1594}.pdf-tutor-focus-region:after{display:none}.pdf-tutor-focus-region:not(.is-primary){box-shadow:none;border-color:#0000}.pdf-tutor-focus-region.is-active-readout{z-index:15;background:0 0;border:0;border-radius:12px;animation:3.2s ease-in-out infinite alternate pdf-tutor-segment-breathe-soft;box-shadow:0 0 0 1px #93c5fd33,0 0 16px #60a5fa1f}.pdf-tutor-focus-region.is-active-readout[data-focus-highlight=compare]{animation-duration:2.6s}.pdf-tutor-focus-region.is-active-readout[data-focus-highlight=pulse_once]{animation:1.18s cubic-bezier(.25,1,.5,1) both pdf-tutor-segment-pulse-once}.pdf-tutor-focus-region.is-active-readout[data-focus-highlight=scan]{animation:2.6s ease-in-out infinite pdf-tutor-segment-scan-soft}.pdf-tutor-focus-layer.is-resizing-focus-region .pdf-tutor-focus-region,.pdf-tutor-focus-region.is-resizing{transition:none!important}.pdf-tutor-focus-region:hover:not(.is-asking),.pdf-tutor-focus-region.is-resizing{outline:1px solid color-mix(in srgb, var(--g1,#60a5fa) 70%, #ffffff6b 30%);outline-offset:2px}.pdf-tutor-focus-resize-handle{z-index:8;pointer-events:auto;touch-action:none;background:0 0;display:block;position:absolute}.pdf-tutor-focus-resize-handle.is-n,.pdf-tutor-focus-resize-handle.is-s{cursor:ns-resize;height:14px;left:14px;right:14px}.pdf-tutor-focus-resize-handle.is-n{top:-7px}.pdf-tutor-focus-resize-handle.is-s{bottom:-7px}.pdf-tutor-focus-resize-handle.is-e,.pdf-tutor-focus-resize-handle.is-w{cursor:ew-resize;width:14px;top:14px;bottom:14px}.pdf-tutor-focus-resize-handle.is-e{right:-7px}.pdf-tutor-focus-resize-handle.is-w{left:-7px}.pdf-tutor-focus-resize-handle.is-nw,.pdf-tutor-focus-resize-handle.is-se{cursor:nwse-resize;width:18px;height:18px}.pdf-tutor-focus-resize-handle.is-ne,.pdf-tutor-focus-resize-handle.is-sw{cursor:nesw-resize;width:18px;height:18px}.pdf-tutor-focus-resize-handle.is-nw{top:-9px;left:-9px}.pdf-tutor-focus-resize-handle.is-ne{top:-9px;right:-9px}.pdf-tutor-focus-resize-handle.is-sw{bottom:-9px;left:-9px}.pdf-tutor-focus-resize-handle.is-se{bottom:-9px;right:-9px}body.pdf-tutor-focus-region-resizing{user-select:none}body.pdf-tutor-focus-region-resizing[data-pdf-tutor-focus-resize-edge=n],body.pdf-tutor-focus-region-resizing[data-pdf-tutor-focus-resize-edge=s]{cursor:ns-resize!important}body.pdf-tutor-focus-region-resizing[data-pdf-tutor-focus-resize-edge=e],body.pdf-tutor-focus-region-resizing[data-pdf-tutor-focus-resize-edge=w]{cursor:ew-resize!important}body.pdf-tutor-focus-region-resizing[data-pdf-tutor-focus-resize-edge=nw],body.pdf-tutor-focus-region-resizing[data-pdf-tutor-focus-resize-edge=se]{cursor:nwse-resize!important}body.pdf-tutor-focus-region-resizing[data-pdf-tutor-focus-resize-edge=ne],body.pdf-tutor-focus-region-resizing[data-pdf-tutor-focus-resize-edge=sw]{cursor:nesw-resize!important}.pdf-tutor-focus-region.is-fragment:after{display:none}@keyframes pdf-tutor-segment-breathe-soft{0%{opacity:.94;box-shadow:0 0 0 1px #93c5fd29,0 0 8px #60a5fa14}to{opacity:1;box-shadow:0 0 0 1px #93c5fd3d,0 0 18px #60a5fa29}}@keyframes pdf-tutor-segment-pulse-once{0%{opacity:.88;box-shadow:0 0 0 1px #93c5fd24,0 0 8px #60a5fa14}42%{opacity:1;box-shadow:0 0 0 1px #93c5fd42,0 0 22px #60a5fa2e}to{opacity:.96;box-shadow:0 0 0 1px #93c5fd33,0 0 14px #60a5fa1f}}@keyframes pdf-tutor-segment-scan-soft{0%,to{box-shadow:0 0 0 1px #93c5fd29,0 0 10px #60a5fa14}50%{box-shadow:0 0 0 1px #93c5fd3d,0 0 20px #60a5fa29}}@keyframes pdf-caption-slide-fade{0%{opacity:0;transform:translate(-50%)translateY(10px)}to{opacity:1;transform:translate(-50%)translateY(0)}}.pdf-tutor-focus-action-row{z-index:9;opacity:0;visibility:hidden;pointer-events:none;justify-content:flex-end;align-items:center;gap:6px;max-width:calc(100% - 12px);transition:opacity .16s,transform .16s,visibility 0s linear .16s;display:inline-flex;position:absolute;top:max(6px,min(12px,8%));right:max(6px,min(12px,8%));transform:translateY(0)scale(1)}.pdf-tutor-focus-ask-btn,.pdf-tutor-focus-note-btn{z-index:9;border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 48%, #ffffff38 52%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 28%, transparent), color-mix(in srgb, var(--g2,#f472b6) 20%, transparent)), color-mix(in srgb, var(--card-bg,#0f172a) 90%, #020617 10%);min-width:46px;min-height:28px;color:var(--text-main,#f8fafc);box-shadow:0 10px 24px #02061757, 0 0 22px color-mix(in srgb, var(--g1,#60a5fa) 16%, transparent), inset 0 1px 0 #ffffff1f;cursor:pointer;font:inherit;letter-spacing:0;opacity:0;pointer-events:none;border-radius:999px;padding:5px 10px;font-size:.72rem;font-weight:900;transition:opacity .16s,transform .16s,border-color .16s;position:absolute;top:max(6px,min(12px,8%));right:max(6px,min(12px,8%));transform:translateY(0)scale(1)}.pdf-tutor-focus-note-btn{min-width:72px}.pdf-tutor-focus-action-row .pdf-tutor-focus-ask-btn,.pdf-tutor-focus-action-row .pdf-tutor-focus-note-btn{z-index:auto;opacity:1;pointer-events:inherit;white-space:nowrap;position:static;inset:auto;transform:none}.pdf-tutor-focus-action-row .pdf-tutor-focus-note-btn{position:relative}.pdf-tutor-focus-note-btn.has-note:after{content:"";background:#22c55e;border-radius:50%;width:7px;height:7px;position:absolute;top:4px;right:5px;box-shadow:0 0 0 1px #0f172af2,0 0 8px #22c55e8c}.pdf-tutor-custom-selection-hitbox .pdf-tutor-focus-action-row,.pdf-tutor-custom-selection-hitbox .pdf-tutor-focus-ask-btn{right:34px}.pdf-tutor-custom-selection-remove-btn{z-index:10;border:1px solid color-mix(in srgb, var(--g2,#f472b6) 48%, #ffffff47 52%);color:#ffffffe0;cursor:pointer;opacity:0;pointer-events:none;background:#0c1222d1;border-radius:999px;width:24px;height:24px;font-size:13px;font-weight:800;line-height:1;transition:opacity .16s,transform .16s,border-color .16s;position:absolute;top:max(6px,min(12px,8%));right:7px;transform:translateY(-3px)scale(.94)}.pdf-tutor-focus-region:hover .pdf-tutor-focus-ask-btn,.pdf-tutor-focus-region.is-hovering .pdf-tutor-focus-ask-btn,.pdf-tutor-focus-region:focus-within .pdf-tutor-focus-ask-btn,.pdf-tutor-focus-region.is-asking .pdf-tutor-focus-ask-btn,.pdf-tutor-segment-hitbox:hover .pdf-tutor-focus-ask-btn,.pdf-tutor-segment-hitbox.is-hovering .pdf-tutor-focus-ask-btn,.pdf-tutor-segment-hitbox:focus-within .pdf-tutor-focus-ask-btn,.pdf-tutor-segment-hitbox.is-asking .pdf-tutor-focus-ask-btn{opacity:1;pointer-events:auto;transform:translateY(0)scale(1)}.pdf-tutor-focus-region:hover .pdf-tutor-focus-action-row,.pdf-tutor-focus-region.is-hovering .pdf-tutor-focus-action-row,.pdf-tutor-focus-region:focus-within .pdf-tutor-focus-action-row,.pdf-tutor-focus-region.is-asking .pdf-tutor-focus-action-row,.pdf-tutor-segment-hitbox:hover .pdf-tutor-focus-action-row,.pdf-tutor-segment-hitbox.is-hovering .pdf-tutor-focus-action-row,.pdf-tutor-segment-hitbox:focus-within .pdf-tutor-focus-action-row,.pdf-tutor-segment-hitbox.is-asking .pdf-tutor-focus-action-row{opacity:1;visibility:visible;pointer-events:auto;transition-delay:0s;transform:translateY(0)scale(1)}.pdf-tutor-segment-hitbox:hover .pdf-tutor-custom-selection-remove-btn,.pdf-tutor-segment-hitbox.is-hovering .pdf-tutor-custom-selection-remove-btn,.pdf-tutor-segment-hitbox:focus-within .pdf-tutor-custom-selection-remove-btn,.pdf-tutor-segment-hitbox.is-asking .pdf-tutor-custom-selection-remove-btn{opacity:1;pointer-events:auto;transform:translateY(0)scale(1)}body.pdf-tutor-suppress-focus-ask-hover .pdf-tutor-focus-region:not(.is-asking) .pdf-tutor-focus-ask-btn,body.pdf-tutor-suppress-focus-ask-hover .pdf-tutor-segment-hitbox:not(.is-asking) .pdf-tutor-focus-ask-btn,body.pdf-tutor-suppress-focus-ask-hover .pdf-tutor-focus-region:not(.is-asking) .pdf-tutor-focus-action-row,body.pdf-tutor-suppress-focus-ask-hover .pdf-tutor-segment-hitbox:not(.is-asking) .pdf-tutor-focus-action-row,body.pdf-tutor-suppress-focus-ask-hover .pdf-tutor-segment-hitbox:not(.is-asking) .pdf-tutor-custom-selection-remove-btn{opacity:0!important;pointer-events:none!important;transform:translateY(-3px)scale(.94)!important}.pdf-tutor-focus-ask-btn:hover,.pdf-tutor-focus-ask-btn:focus-visible,.pdf-tutor-focus-note-btn:hover,.pdf-tutor-focus-note-btn:focus-visible,.pdf-tutor-custom-selection-remove-btn:hover,.pdf-tutor-custom-selection-remove-btn:focus-visible{border-color:color-mix(in srgb, var(--g2,#f472b6) 54%, var(--g1,#60a5fa) 46%);outline:none;transform:translateY(-1px)scale(1.02)}.pdf-tutor-focus-ask-card{left:var(--pdf-tutor-focus-card-left,0);top:var(--pdf-tutor-focus-card-top,calc(100% + 8px));z-index:calc(var(--z-ask-memora-modal,2147480000) + 120);width:min(var(--pdf-tutor-focus-card-width,483px), calc(100vw - 32px));--memora-ask-card-content-zoom:1;--quiz-gen-surface-base:var(--memora-ask-glass-base);--quiz-gen-surface-strong:var(--memora-ask-glass-strong);--quiz-gen-outline:var(--memora-ask-glass-outline);border:1px solid var(--memora-ask-glass-border);background:var(--memora-ask-glass-background);max-width:calc(100vw - 32px);max-height:calc(100vh - 32px);-webkit-backdrop-filter:var(--memora-ask-glass-filter);color:var(--text-main,#f8fafc);box-shadow:var(--memora-ask-glass-shadow);isolation:isolate;transform-origin:var(--pdf-tutor-focus-card-origin-x,50%) var(--pdf-tutor-focus-card-origin-y,0);border-radius:16px;padding:16px;transition:width .28s cubic-bezier(.2,.8,.2,1),height .28s cubic-bezier(.2,.8,.2,1),left .24s cubic-bezier(.2,.8,.2,1),top .24s cubic-bezier(.2,.8,.2,1),max-height .24s cubic-bezier(.2,.8,.2,1),transform .18s;display:none;position:absolute;right:auto;overflow:hidden}.pdf-tutor-focus-ask-card .pdf-tutor-focus-ask-head{grid-row:1}.pdf-tutor-focus-ask-card .pdf-tutor-focus-ask-thread{grid-row:2}.pdf-tutor-focus-ask-card .memora-composer-image-attachments{grid-row:3}.pdf-tutor-focus-ask-card .ask-memora-quick-actions{grid-row:4}.pdf-tutor-focus-ask-card .pdf-tutor-focus-ask-input{grid-row:5}.pdf-tutor-focus-ask-card .pdf-tutor-focus-ask-actions{grid-row:6}.pdf-tutor-focus-ask-card .pdf-tutor-focus-ask-resize-handle{grid-row:1/span 6}.pdf-tutor-focus-ask-card.is-auto-sized{height:var(--pdf-tutor-focus-card-height,auto);grid-template-rows:auto minmax(0,1fr) auto auto auto auto;min-height:160px}.pdf-tutor-focus-ask-card.is-user-resized{height:var(--pdf-tutor-focus-card-height,auto);grid-template-rows:auto minmax(0,1fr) auto auto auto auto;min-height:220px;max-height:calc(100vh - 16px)}.pdf-tutor-focus-ask-card[data-placement=custom]{z-index:calc(var(--z-ask-memora-modal,2147480000) + 120);position:fixed}.pdf-tutor-focus-ask-card.is-zoom-pinned{z-index:calc(var(--z-ask-memora-modal,2147480000) + 120);pointer-events:auto;transform:scale(var(--pdf-tutor-focus-card-scale,1));gap:9px;animation:none;display:grid;position:fixed}.pdf-tutor-focus-region.is-asking .pdf-tutor-focus-ask-card,.pdf-tutor-segment-hitbox.is-asking .pdf-tutor-focus-ask-card{gap:9px;animation:.26s cubic-bezier(.2,.8,.2,1) both pdf-tutor-focus-orbit-board-in;display:grid}.pdf-tutor-focus-ask-card.is-switching-out{pointer-events:none;animation:.17s cubic-bezier(.4,0,.2,1) both pdf-tutor-focus-orbit-board-out!important}.pdf-tutor-focus-ask-card.is-closing-with-pdf{pointer-events:none!important;animation:.15s cubic-bezier(.4,0,.2,1) both pdf-evidence-focus-ask-pane-close!important}.pdf-tutor-focus-ask-card.is-shift-dragging{cursor:grabbing;user-select:none;transition:none;animation:none;transform:scale(var(--pdf-tutor-focus-card-scale,1))!important}.pdf-tutor-focus-ask-card.is-resizing{user-select:none;transition:none;animation:none;transform:scale(var(--pdf-tutor-focus-card-scale,1))!important}.pdf-tutor-focus-ask-card.is-position-freezing{transform:scale(var(--pdf-tutor-focus-card-scale,1))!important;transition:none!important;animation:none!important}.pdf-tutor-focus-ask-card.is-shift-dragging .pdf-tutor-focus-ask-head,body.pdf-tutor-focus-ask-dragging{cursor:grabbing}body.pdf-tutor-focus-ask-resizing{cursor:nwse-resize}.pdf-tutor-focus-ask-resize-handle{cursor:nwse-resize;border-right:2px solid color-mix(in srgb, var(--g1,#60a5fa) 58%, #ffffff2e 42%);border-bottom:2px solid color-mix(in srgb, var(--g2,#f472b6) 54%, #ffffff2e 46%);opacity:.72;touch-action:none;z-index:3;border-radius:0 0 5px;width:16px;height:16px;position:absolute;bottom:4px;right:4px}.pdf-tutor-focus-ask-resize-handle:hover,.pdf-tutor-focus-ask-resize-handle:focus-visible{opacity:1}.pdf-tutor-focus-ask-head,.pdf-tutor-focus-ask-actions{justify-content:space-between;align-items:center;gap:8px;display:flex}.pdf-tutor-focus-ask-head{color:var(--text-main,#f8fafc);cursor:grab;user-select:none;touch-action:none;font-size:.78rem;font-weight:900}.pdf-tutor-focus-ask-head:active{cursor:grabbing}.pdf-tutor-focus-ask-kicker{text-transform:none}.pdf-tutor-focus-ask-close{width:22px;height:22px;color:var(--btn-text-muted,#a8b3c7);cursor:pointer;background:0 0;border:0;border-radius:999px;justify-content:center;align-items:center;padding:0;font-size:1rem;line-height:1;display:inline-flex}.pdf-tutor-focus-ask-close:hover,.pdf-tutor-focus-ask-close:focus-visible{color:var(--text-main,#f8fafc);background:#ffffff14;outline:none}.pdf-tutor-focus-ask-input{resize:vertical;border:1px solid color-mix(in srgb, var(--btn-theme-border,#334155) 76%, #ffffff1f 24%);background:linear-gradient(180deg, color-mix(in srgb, var(--quiz-gen-surface-strong,#0f172a) 72%, transparent 28%) 0%, color-mix(in srgb, var(--quiz-gen-surface-strong,#0f172a) 58%, transparent 42%) 100%);-webkit-backdrop-filter:blur(8px)saturate(104%);width:100%;min-height:58px;color:var(--text-main,#f8fafc);font:inherit;font-size:var(--memora-focus-ask-input-font-size,.86rem);border-radius:8px;outline:none;padding:10px 11px;line-height:1.42}.pdf-tutor-focus-ask-input:focus{border-color:color-mix(in srgb, var(--g1,#60a5fa) 60%, var(--g2,#f472b6) 24%);box-shadow:0 0 0 3px color-mix(in srgb, var(--g1,#60a5fa) 16%, transparent)}.pdf-tutor-focus-ask-thread{max-height:var(--pdf-tutor-focus-thread-max,min(238px, 30vh));overscroll-behavior:contain;overflow-anchor:none;scroll-behavior:smooth;scrollbar-width:none;-ms-overflow-style:none;gap:8px;transition:max-height .24s cubic-bezier(.2,.8,.2,1);display:none;overflow-y:auto}.pdf-tutor-focus-ask-card.has-thread .pdf-tutor-focus-ask-thread{flex-direction:column;display:flex}.pdf-tutor-focus-ask-card.is-user-resized.has-thread .pdf-tutor-focus-ask-thread{max-height:var(--pdf-tutor-focus-thread-max,none);min-height:0}.pdf-tutor-focus-ask-thread::-webkit-scrollbar{display:none}.pdf-tutor-focus-ask-message{background:#ffffff08;border:1px solid #ffffff14;border-radius:12px;flex-direction:column;gap:4px;max-width:88%;padding:10px 12px;display:flex;position:relative}.pdf-tutor-focus-ask-message.is-user{border-color:color-mix(in srgb, var(--g1,#60a5fa) 30%, #ffffff14 70%);background:color-mix(in srgb, var(--card-bg,#0f172a) 60%, #4f46e52e 40%);border-radius:12px 12px 2px;align-self:flex-end;max-width:85%;margin-right:0;box-shadow:0 2px 8px #0206172e}.pdf-tutor-focus-ask-message.is-assistant{-webkit-backdrop-filter:blur(8px);background:#ffffff0a;border-color:#ffffff14;border-radius:12px 12px 12px 2px;align-self:flex-start;max-width:calc(100% - 2px);margin-top:0;margin-left:2px;animation:.26s cubic-bezier(.16,1,.3,1) both ask-ai-top-down-fade-in;box-shadow:0 4px 12px #02061738}.pdf-tutor-focus-ask-message.is-assistant.has-wide-content{width:calc(100% - 2px);max-width:calc(100% - 2px)}.pdf-tutor-focus-ask-message.is-assistant.is-pending{background:#ffffff05;border-color:#ffffff0f;border-radius:12px 12px 12px 2px;min-width:0;animation:.24s cubic-bezier(.16,1,.3,1) both ask-ai-top-down-fade-in}.pdf-tutor-focus-ask-message .memora-thinking{font-size:inherit;font-weight:650}.pdf-tutor-focus-ask-message-role{display:none}.pdf-tutor-focus-ask-message.is-assistant .pdf-tutor-focus-ask-message-role{top:-19px;left:8px}.pdf-tutor-focus-ask-message.is-user .pdf-tutor-focus-ask-message-role{color:color-mix(in srgb, var(--g2,#f472b6) 56%, #c7d2fe 44%);right:-30px}.pdf-tutor-focus-ask-message-role span{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.pdf-tutor-focus-role-icon{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:13px;height:13px}.pdf-tutor-focus-ask-message-body{color:var(--btn-text-muted,#cbd5e1);font-size:var(--memora-focus-ask-message-font-size,.84rem);white-space:normal;font-weight:500;line-height:1.64}.pdf-tutor-focus-ask-response,.pdf-tutor-focus-ask-structured{color:color-mix(in srgb, var(--text-main,#f8fafc) 86%, var(--btn-text-muted,#cbd5e1) 14%);white-space:normal}.pdf-tutor-focus-ask-response-copy{overflow-wrap:anywhere;gap:.72rem;min-width:0;display:grid}.pdf-tutor-focus-ask-response.is-soft-revealing{will-change:clip-path, opacity, transform;animation:.42s ease-out both pdfTutorFocusAnswerSoftIn}.pdf-tutor-focus-ask-response.is-live-revealing{animation-duration:.26s}.pdf-tutor-focus-ask-response-copy .ask-ai-answer{gap:.78rem;display:grid}.pdf-tutor-focus-ask-response-copy .ask-ai-answer-block{gap:.52rem;display:grid}.pdf-tutor-focus-ask-response-copy .ask-ai-answer-table,.pdf-tutor-focus-ask-response-copy .dd-table{font-size:var(--memora-focus-ask-table-font-size,.86rem)}.pdf-tutor-focus-ask-response-copy :is(.ask-ai-answer-table-wrap,.dd-table-wrap),.study-guide-inline-chat-message :is(.ask-ai-answer-table-wrap,.dd-table-wrap){scrollbar-width:none;-ms-overflow-style:none}.pdf-tutor-focus-ask-response-copy :is(.ask-ai-answer-table-wrap,.dd-table-wrap)::-webkit-scrollbar,.study-guide-inline-chat-message :is(.ask-ai-answer-table-wrap,.dd-table-wrap)::-webkit-scrollbar{width:0;height:0;display:none}.pdf-tutor-focus-ask-response-copy .ask-ai-answer-line,.pdf-tutor-focus-ask-response-copy p,.pdf-tutor-focus-ask-structured p{color:color-mix(in srgb, var(--text-main,#f8fafc) 82%, var(--btn-text-muted,#cbd5e1) 18%);margin:0;font-weight:500;line-height:1.64}.pdf-tutor-focus-ask-response-copy p+p,.pdf-tutor-focus-ask-structured p+p{margin-top:.45rem}.pdf-tutor-focus-ask-response-copy strong,.pdf-tutor-focus-ask-response-copy .ask-ai-answer-strong,.pdf-tutor-focus-ask-structured strong,.pdf-tutor-focus-ask-response-copy .ask-ai-key-label,.pdf-tutor-focus-ask-response-copy .ask-ai-answer-token,.pdf-tutor-focus-ask-response-copy .ask-ai-key-phrase{color:var(--ai-bold,#bfdbfe);font-weight:760}.pdf-tutor-focus-ask-response[data-detail=brief] .pdf-tutor-focus-ask-response-copy :is(.ask-ai-heading,h1,h2,h3,h4,h5,h6){border:0;border-left:2px solid color-mix(in srgb, var(--g1,#60a5fa) 58%, var(--g2,#f472b6) 42%);width:auto;color:color-mix(in srgb, var(--text-main,#f8fafc) 76%, var(--g1,#60a5fa) 24%);text-shadow:none;border-radius:0;margin:.82rem 0 .18rem;padding:0 0 0 .62rem;font-size:.96em;font-style:normal;font-weight:760;line-height:1.38}.pdf-tutor-focus-ask-response-copy .ask-ai-answer-quote{background:linear-gradient(135deg, color-mix(in srgb, var(--g2,#f472b6) 7%, transparent) 0%, color-mix(in srgb, var(--g1,#60a5fa) 5%, transparent) 100%), #0f172a33;gap:.42rem;margin:.08rem 0 .16rem;padding:.66rem .78rem .66rem .9rem;font-weight:500}.pdf-tutor-focus-ask-response-copy .ask-ai-answer-list-item{gap:7px}.pdf-tutor-focus-ask-response-copy .ask-ai-answer-marker{color:color-mix(in srgb, var(--g1,#60a5fa) 72%, #bfdbfe 28%);font-weight:850}.pdf-tutor-focus-ask-response.is-revealing .ask-ai-word{animation:.18s forwards ask-ai-word-in}.pdf-tutor-focus-ask-response.is-revealing .pdf-tutor-focus-ask-answer-actions{display:none}.pdf-tutor-focus-ask-structured-section{background:0 0;border:0;padding:0;display:block}.pdf-tutor-focus-ask-structured-section+.pdf-tutor-focus-ask-structured-section{margin-top:.45rem}.pdf-tutor-focus-ask-structured-tag{display:none}.pdf-tutor-focus-ask-structured-copy{overflow-wrap:anywhere;min-width:0}.pdf-tutor-focus-ask-structured-copy ul,.pdf-tutor-focus-ask-structured-copy ol{margin:0;padding-left:1rem}.pdf-tutor-focus-ask-structured-copy li+li{margin-top:4px}.pdf-tutor-focus-ask-answer-actions{opacity:0;flex-wrap:wrap;gap:8px;margin-top:18px;animation:.5s ease-out forwards pdfTutorFocusExpandFadeIn;display:flex}.pdf-tutor-focus-ask-answer-actions.is-floating-toolbar{-webkit-backdrop-filter:blur(6px);opacity:1;visibility:visible;pointer-events:auto;background:#0f172ae0;border:1px solid #ffffff14;border-radius:18px;flex-flow:row;justify-content:flex-end;gap:4px;width:fit-content;margin:12px 0 0 auto;padding:3px 4px;transition:none;animation:none;display:flex;position:static;transform:none;box-shadow:0 6px 18px #02061747}.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar{-webkit-backdrop-filter:blur(6px);opacity:1;background:#0f172ae0;border:1px solid #ffffff14;border-radius:18px;flex-wrap:wrap;align-items:center;gap:4px;width:fit-content;margin-top:18px;padding:4px;animation:none;display:inline-flex;position:static;box-shadow:0 6px 18px #02061747}.pdf-tutor-focus-ask-message:focus,.study-guide-inline-chat-message:focus{outline:none}.pdf-tutor-focus-ask-message:focus-visible,.study-guide-inline-chat-message:focus-visible{border-color:color-mix(in srgb, var(--g1,#60a5fa) 44%, #ffffff1f 56%)}.pdf-tutor-focus-ask-answer-actions.is-floating-toolbar .pdf-tutor-focus-ask-expand,.pdf-tutor-focus-ask-answer-actions.is-floating-toolbar .pdf-tutor-focus-ask-double-check,.pdf-tutor-focus-ask-answer-actions.is-floating-toolbar .pdf-tutor-focus-ask-images,.pdf-tutor-focus-ask-answer-actions.is-floating-toolbar .ask-ai-copy-action{width:26px;height:26px;min-height:26px;color:var(--text-muted,#94a3b8);box-shadow:none;background:0 0;border:0;border-radius:50%;padding:0;transition:background .15s,color .15s}.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar .pdf-tutor-focus-ask-expand,.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar .pdf-tutor-focus-ask-double-check,.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar .pdf-tutor-focus-ask-images,.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar .ask-ai-copy-action,.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar .ask-ai-sources-action{min-height:28px;color:var(--text-muted,#94a3b8);box-shadow:none;background:0 0;border:0;border-radius:999px;gap:6px;padding:0 9px;transition:background .15s,color .15s}.pdf-tutor-focus-ask-answer-actions.is-floating-toolbar .pdf-tutor-focus-ask-expand:hover,.pdf-tutor-focus-ask-answer-actions.is-floating-toolbar .pdf-tutor-focus-ask-expand:focus-visible,.pdf-tutor-focus-ask-answer-actions.is-floating-toolbar .pdf-tutor-focus-ask-double-check:hover,.pdf-tutor-focus-ask-answer-actions.is-floating-toolbar .pdf-tutor-focus-ask-double-check:focus-visible,.pdf-tutor-focus-ask-answer-actions.is-floating-toolbar .pdf-tutor-focus-ask-images:hover,.pdf-tutor-focus-ask-answer-actions.is-floating-toolbar .pdf-tutor-focus-ask-images:focus-visible,.pdf-tutor-focus-ask-answer-actions.is-floating-toolbar .ask-ai-copy-action:hover,.pdf-tutor-focus-ask-answer-actions.is-floating-toolbar .ask-ai-copy-action:focus-visible,.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar .pdf-tutor-focus-ask-expand:hover,.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar .pdf-tutor-focus-ask-expand:focus-visible,.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar .pdf-tutor-focus-ask-double-check:hover,.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar .pdf-tutor-focus-ask-double-check:focus-visible,.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar .pdf-tutor-focus-ask-images:hover,.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar .pdf-tutor-focus-ask-images:focus-visible,.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar .ask-ai-copy-action:hover,.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar .ask-ai-copy-action:focus-visible,.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar .ask-ai-sources-action:hover,.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar .ask-ai-sources-action:focus-visible,.pdf-tutor-focus-ask-answer-actions.is-labeled-toolbar .ask-ai-sources-action.is-active{color:var(--text-main,#f8fafc);box-shadow:none;background:#ffffff1f;border:0}.pdf-tutor-focus-action-icon{fill:none;stroke:currentColor;stroke-width:2.25px;stroke-linecap:round;stroke-linejoin:round;width:13px;height:13px}.pdf-tutor-focus-ask-answer-actions.is-floating-toolbar .pdf-tutor-focus-action-label{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.pdf-tutor-focus-ask-expand,.pdf-tutor-focus-ask-double-check,.pdf-tutor-focus-ask-images,.ask-ai-copy-action,.ask-ai-sources-action{border:1px solid color-mix(in srgb, currentColor 18%, #ffffff1f);background:color-mix(in srgb, var(--card-bg,#0f172a) 74%, #ffffff14 26%);min-height:26px;color:color-mix(in srgb, var(--g1,#60a5fa) 44%, var(--text-main,#e2e8f0) 56%);cursor:pointer;font:inherit;letter-spacing:0;white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;padding:4px 9px;font-size:.72rem;font-weight:760;text-decoration:none;transition:border-color .15s,background .15s,color .15s;display:inline-flex}.pdf-tutor-focus-ask-expand strong,.pdf-tutor-focus-ask-double-check strong,.pdf-tutor-focus-ask-images strong,.ask-ai-copy-action strong,.ask-ai-sources-action strong{color:inherit;font-weight:760}.pdf-tutor-focus-ask-expand:hover,.pdf-tutor-focus-ask-expand:focus-visible,.pdf-tutor-focus-ask-double-check:hover,.pdf-tutor-focus-ask-double-check:focus-visible,.pdf-tutor-focus-ask-images:hover,.pdf-tutor-focus-ask-images:focus-visible,.ask-ai-copy-action:hover,.ask-ai-copy-action:focus-visible,.ask-ai-sources-action:hover,.ask-ai-sources-action:focus-visible{border-color:color-mix(in srgb, currentColor 36%, #ffffff29);background:color-mix(in srgb, var(--card-bg,#0f172a) 66%, #ffffff1c 34%);color:color-mix(in srgb, var(--g2,#f472b6) 38%, var(--text-main,#e2e8f0) 62%);outline:none}.pdf-tutor-focus-ask-expand:disabled,.pdf-tutor-focus-ask-double-check:disabled,.pdf-tutor-focus-ask-images:disabled,.ask-ai-copy-action:disabled,.ask-ai-sources-action:disabled{cursor:wait;opacity:.48;text-decoration:none}.ask-ai-sources-action.is-active{border-color:color-mix(in srgb, var(--g1,#60a5fa) 44%, var(--g2,#f472b6) 24%, #ffffff29);background:color-mix(in srgb, var(--g1,#60a5fa) 14%, #ffffff14 86%);color:color-mix(in srgb, var(--g2,#f472b6) 42%, var(--text-main,#e2e8f0) 58%)}.pdf-tutor-focus-ask-expand.is-pending,.pdf-tutor-focus-ask-images.is-pending,.pdf-tutor-focus-ask-double-check.is-pending{filter:grayscale(.34)saturate(.82)}.pdf-tutor-focus-ask-double-check.is-double-checked{animation:.52s cubic-bezier(.2,.8,.2,1) both memoraDoubleCheckSettle}.pdf-tutor-focus-ask-double-check.is-verified,.pdf-tutor-focus-ask-double-check.is-verified:disabled,.pdf-tutor-focus-ask-answer-actions .pdf-tutor-focus-ask-double-check.is-verified,.pdf-tutor-focus-ask-answer-actions .pdf-tutor-focus-ask-double-check.is-verified:disabled{color:color-mix(in srgb, #86efac 82%, var(--text-main,#f8fafc) 18%);cursor:default;opacity:1;background:#133a34cc;border-color:#44ce7784}.pdf-tutor-focus-ask-double-check.is-issues,.pdf-tutor-focus-ask-double-check.is-issues:hover,.pdf-tutor-focus-ask-double-check.is-issues:focus-visible,.pdf-tutor-focus-ask-answer-actions .pdf-tutor-focus-ask-double-check.is-issues,.pdf-tutor-focus-ask-answer-actions .pdf-tutor-focus-ask-double-check.is-issues:hover,.pdf-tutor-focus-ask-answer-actions .pdf-tutor-focus-ask-double-check.is-issues:focus-visible{color:color-mix(in srgb, #fca5a5 84%, var(--text-main,#f8fafc) 16%);background:#3f2130cc;border-color:#f15d5d8d;box-shadow:0 0 0 2px #ef444424}@keyframes memoraDoubleCheckSettle{0%{opacity:.48;filter:saturate(.35);transform:translateY(3px)}to{opacity:1;filter:saturate();transform:translateY(0)}}.pdf-tutor-focus-ask-message.is-expanding-answer .pdf-tutor-focus-ask-message-body{opacity:.58;transition:opacity .18s}.pdf-tutor-focus-ask-check-result{border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 20%, #cbd5e133 80%);background:color-mix(in srgb, var(--card-bg,#0f172a) 62%, #60a5fa24 38%);opacity:1;border-radius:8px;grid-template-rows:1fr;margin-top:7px;padding:8px 9px;transition:grid-template-rows .3s cubic-bezier(.2,.8,.2,1),margin-top .3s cubic-bezier(.2,.8,.2,1),padding .3s cubic-bezier(.2,.8,.2,1),border-width .3s,opacity .22s,transform .3s cubic-bezier(.2,.8,.2,1);display:grid;overflow:hidden;transform:translateY(0)}.pdf-tutor-focus-ask-check-result.memora-double-check-findings{background:color-mix(in srgb, var(--card-bg,#0f172a) 68%, #ef444421 32%);border-color:#e56c7071}.memora-double-check-findings-inner{min-height:0;overflow:hidden}.memora-double-check-findings.is-collapsed{opacity:0;pointer-events:none;border-width:0;grid-template-rows:0fr;margin-top:0;padding-block:0;transform:translateY(-4px)}@media (prefers-reduced-motion:reduce){.pdf-tutor-focus-ask-double-check.is-double-checked{animation:none}.pdf-tutor-focus-ask-check-result{transition:none}}.pdf-tutor-focus-ask-check-body{color:color-mix(in srgb, var(--text-main,#f8fafc) 84%, var(--btn-text-muted,#cbd5e1) 16%);font-size:.8rem;line-height:1.42}.pdf-tutor-focus-ask-check-sources{color:#94a3b8;margin-top:5px;font-size:.64rem;font-weight:800;line-height:1.25}@keyframes pdfTutorFocusAnswerSoftIn{0%{opacity:0;clip-path:inset(0 0 100%);filter:blur(.5px);transform:translateY(-3px)}45%{opacity:1}to{opacity:1;clip-path:inset(0);filter:blur();transform:translateY(0)}}@keyframes pdfTutorFocusAskWordIn{0%{opacity:0}to{opacity:1}}@keyframes pdfTutorFocusExpandFadeIn{0%{opacity:0;filter:blur(4px)}to{opacity:1;filter:blur()}}.pdf-tutor-focus-ask-status{min-width:0;color:var(--btn-text-muted,#a8b3c7);text-overflow:ellipsis;white-space:nowrap;flex:auto;font-size:.72rem;font-weight:800;overflow:hidden}.pdf-tutor-focus-ask-status:empty{display:none}.pdf-tutor-focus-ask-actions .memora-answer-depth-toggle{margin-left:auto}.pdf-tutor-focus-ask-card[data-focus-source=evidence-pdf] .pdf-tutor-focus-ask-actions{justify-content:flex-end;gap:4px}.pdf-tutor-focus-ask-card[data-focus-source=evidence-pdf] .pdf-tutor-focus-ask-actions .memora-answer-depth-toggle{min-width:112px;height:30px;box-shadow:none;background:0 0;border:0;order:1;gap:6px;margin-left:0;margin-right:auto;padding:0;overflow:visible}.pdf-tutor-focus-ask-card[data-focus-source=evidence-pdf] .pdf-tutor-focus-ask-status{flex:0 auto;order:2}.pdf-tutor-focus-ask-card[data-focus-source=evidence-pdf] .pdf-tutor-focus-ask-submit{order:3}.pdf-tutor-focus-ask-card[data-focus-source=evidence-pdf] .pdf-tutor-focus-ask-actions :is(.memora-answer-depth-btn,.pdf-tutor-focus-ask-submit){border-radius:999px;justify-content:center;align-items:center;height:30px;min-height:30px;font-weight:900;transition:background .15s,color .15s,opacity .15s;display:inline-flex;width:auto!important;min-width:30px!important;color:var(--text-muted,#94a3b8)!important;box-shadow:none!important;background:0 0!important;border:0!important;padding:0 9px!important;font-size:.72rem!important}.pdf-tutor-focus-ask-card[data-focus-source=evidence-pdf] .pdf-tutor-focus-ask-submit:before{display:none}.pdf-tutor-focus-ask-card[data-focus-source=evidence-pdf] .pdf-tutor-focus-ask-actions :is(.memora-answer-depth-btn,.pdf-tutor-focus-ask-submit):is(:hover,:focus-visible),.pdf-tutor-focus-ask-card[data-focus-source=evidence-pdf] .pdf-tutor-focus-ask-actions .memora-answer-depth-btn.is-active{outline:none;transform:none;color:var(--text-main,#f8fafc)!important;box-shadow:none!important;background:#ffffff17!important;border:0!important}.pdf-tutor-focus-ask-card[data-focus-source=evidence-pdf] .pdf-tutor-focus-ask-actions :is(.memora-answer-depth-btn,.pdf-tutor-focus-ask-submit):disabled{opacity:.42;background:0 0!important}.pdf-tutor-focus-ask-submit{background:var(--g);min-height:28px;color:var(--btn-primary-text,#f8fafc);cursor:pointer;font:inherit;box-shadow:var(--btn-primary-shadow);border:1px solid #0000;border-radius:999px;flex:none;padding:5px 10px;font-size:.74rem;font-weight:900}.pdf-tutor-focus-ask-submit:disabled,.pdf-tutor-focus-ask-input:disabled{cursor:wait;opacity:.72}.pdf-tutor-focus-ask-answer{scrollbar-width:none;-ms-overflow-style:none;max-height:min(260px,32vh);color:var(--btn-text-muted,#cbd5e1);white-space:pre-wrap;font-size:.86rem;font-weight:700;line-height:1.5;overflow-y:auto}.pdf-tutor-focus-ask-card.is-user-resized .pdf-tutor-focus-ask-answer{max-height:none}.pdf-tutor-focus-ask-answer::-webkit-scrollbar{width:0;height:0;display:none}@keyframes pdf-tutor-focus-ask-in{0%{opacity:0;transform:translateY(-5px)scale(.985)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes pdf-tutor-focus-orbit-board-in{0%{opacity:0;transform:translate3d(var(--pdf-tutor-focus-card-enter-x,-8px), var(--pdf-tutor-focus-card-enter-y,-8px), 0) scale(.88);filter:blur(.3px)}to{opacity:1;filter:blur();transform:translate(0,0)scale(1)}}@keyframes pdf-tutor-focus-orbit-board-out{0%{opacity:1;filter:blur();transform:translate(0,0)scale(1)}to{opacity:0;transform:translate3d(var(--pdf-tutor-focus-card-exit-x,8px), var(--pdf-tutor-focus-card-exit-y,8px), 0) scale(.94);filter:blur(.6px)}}@keyframes pdf-evidence-focus-ask-pane-close{0%{opacity:1;filter:blur()}to{opacity:0;filter:blur(1.5px)}}@keyframes pdf-tutor-focus-source-lift{0%{opacity:.18;transform:scale(.985)}to{opacity:1;transform:scale(1)}}.pdf-tutor-focus-label{color:#f8fafc;overflow-wrap:anywhere;background:#0f172ad6;border:1px solid #fff3;border-radius:8px;max-width:min(260px,100% - 16px);padding:4px 8px;font-size:.74rem;font-weight:800;line-height:1.2;display:none;position:absolute;top:8px;left:8px;box-shadow:0 8px 20px #02061747}.pdf-tutor-focus-debug{z-index:5;color:#e5e7eb;overflow-wrap:anywhere;background:#0f172ad1;border:1px solid #ffffff38;border-radius:8px;max-width:min(560px,100% - 20px);padding:5px 8px;font-size:.72rem;font-weight:800;line-height:1.25;position:absolute;bottom:10px;left:10px;box-shadow:0 10px 22px #0206173d}@keyframes pdf-tutor-focus-layer-in{0%{opacity:0}to{opacity:1}}@keyframes pdf-tutor-focus-region-in{0%{opacity:0;transform:scale(.985)}to{opacity:1;transform:scale(1)}}@keyframes pdf-tutor-segment-focus-wash-in{0%{opacity:0;transform:scale(1)}65%{opacity:.38}to{opacity:.48;transform:scale(1)}}@keyframes pdf-tutor-segment-brighten-in{0%{opacity:.78}65%{opacity:.28}to{opacity:0}}@keyframes pdf-tutor-slide-render-spin{to{transform:rotate(360deg)}}@keyframes pdf-tutor-focus-pulse{0%,to{border-color:color-mix(in srgb, var(--g1,#60a5fa) 70%, #fff 30%)}50%{border-color:color-mix(in srgb, var(--g2,#f472b6) 70%, #fff 30%)}}@keyframes pdf-tutor-text-highlight-in{0%{opacity:0;transform:scaleY(.86)}to{opacity:1;transform:scaleY(1)}}@keyframes pdf-tutor-readout-status-pulse{0%,to{transform:translateY(-1px)scale(1);box-shadow:0 0 0 1px #ffffff2e,0 0 14px #22c55e6b}50%{transform:translateY(-1px)scale(1.08);box-shadow:0 0 0 1px #ffffff2e,0 0 22px #22c55e9e}}@keyframes pdf-tutor-guided-shimmer{0%{transform:translate(-82%)}to{transform:translate(142%)}}@keyframes pdf-tutor-guided-start-nudge{0%,to{box-shadow:none;transform:translateY(0)scale(1)}45%{box-shadow:0 0 0 3px color-mix(in srgb, var(--g1,#60a5fa) 20%, transparent), 0 0 16px color-mix(in srgb, var(--g2,#f472b6) 28%, transparent);transform:translateY(-1px)scale(1.08)}}@media (prefers-reduced-motion:reduce){#work-area.pdf-tutor-view #pdf-pane:after,body.pdf-tutor-mode #work-area.pdf-tutor-view #pdfjs-pages .page,.pdf-tutor-focus-region,.pdf-tutor-segment-hitbox,.pdf-tutor-text-highlight,.pdf-tutor-readout-caption-lines,.pdf-tutor-readout-caption-status,.pdf-tutor-readout-caption-line,.pdf-tutor-readout-word,.pdf-tutor-focus-ask-card,.pdf-tutor-focus-ask-response.is-soft-revealing,#pdf-header .pdf-tutor-header-controls #pdf-tutor-guided-btn:before,#pdf-header .pdf-tutor-header-controls #pdf-tutor-pause-btn.is-guided-start-nudge,.memora-thinking-dots span,.memora-thinking-line:after,.pdf-tutor-slide-render-spinner{transition:none;animation:none}}#pdfjs-pages .textLayer{border-radius:inherit}#pdf-pane.ai-mode #pdfjs-host{display:none}#pdf-pane.ai-mode #pdf-header{z-index:100;background:0 0;border:none;justify-content:flex-end;padding:0;position:absolute;top:8px;left:auto;right:8px}#pdf-pane.ai-mode #pdf-title,#pdf-pane.ai-mode #pdf-mini-toolbar,#pdf-pane.ai-mode #pdf-more-wrap{display:none}#pdf-pane.ai-mode #pdf-header button{background:var(--btn-surface-soft);backdrop-filter:blur(8px);opacity:.6}#pdf-pane.ai-mode #pdf-header button:hover{opacity:1;background:var(--btn-surface-hover)}#pdf-frame{bottom:0;left:0;right:0;top:var(--pdf-header-height,36px);scrollbar-width:none;-ms-overflow-style:none;border:none;width:100%;height:100%;display:none;position:absolute;overflow:hidden}#pdf-frame::-webkit-scrollbar{width:0;height:0;display:none}#pdf-pane.ai-mode #pdf-frame{display:block;top:0}body.pdf-expanded-mode{overflow:hidden}body.pdf-expanded-mode #work-area>#quiz-pane,body.pdf-expanded-mode #work-area>#ai-pane{opacity:0!important;visibility:hidden!important;pointer-events:none!important}body.quiz-card-expanded-mode{overflow:hidden}body.quiz-card-expanded-mode #work-area{background:var(--pane-bg);grid-template-columns:minmax(0,1fr)!important}body.quiz-card-expanded-mode #quiz-pane>:not(#quiz-mode-container),body.quiz-card-expanded-mode #quiz-mode-container>:not(#quiz-card),body.quiz-card-expanded-mode #work-area>#pdf-pane,body.quiz-card-expanded-mode #work-area>#ai-pane,body.quiz-card-expanded-mode #work-area>#resize-quiz-pdf,body.quiz-card-expanded-mode #work-area>#resize-pdf-ai{opacity:0!important;visibility:hidden!important;pointer-events:none!important}body.quiz-card-expanded-mode #work-area>#pdf-pane,body.quiz-card-expanded-mode #work-area>#ai-pane,body.quiz-card-expanded-mode #work-area>#resize-quiz-pdf,body.quiz-card-expanded-mode #work-area>#resize-pdf-ai{display:none!important}#pdf-pane.pdf-pane-expanded{z-index:var(--z-pdf-expanded,2147480000);border:1px solid var(--app-border,#94a3b859);isolation:isolate;background:linear-gradient(165deg,#0d1524 0%,#060b14 100%);border-radius:14px;position:fixed;inset:10px;box-shadow:0 20px 70px #020617bf;display:flex!important}#pdf-pane.pdf-pane-expanded.pane-soft-closing,#pdf-pane.pdf-pane-expanded.pane-soft-closing-to-wall,#pdf-pane.pdf-pane-expanded.pane-soft-closing-in-flow{border-radius:0;z-index:auto!important;box-shadow:none!important;position:relative!important;inset:auto!important}#pdf-pane.pdf-pane-expanded #pdf-header{z-index:3;padding:8px 12px}#pdf-pane.pdf-pane-expanded #pdfjs-host{background:radial-gradient(circle at 10% 0%, color-mix(in srgb, var(--g1,#60a5fa) 10%, transparent), transparent 42%), radial-gradient(circle at 90% 0%, color-mix(in srgb, var(--g2,#f472b6) 10%, transparent), transparent 42%), linear-gradient(180deg, #0b1220 0%, #060b14 100%);padding:12px 14px 18px;scroll-padding-top:14px}#pdf-pane.pdf-pane-expanded #pdf-more-menu{z-index:calc(var(--z-pdf-expanded,2147480000) + 2)}@container (width<=760px){#pdf-title{flex-basis:clamp(96px,34%,240px);font-size:.68rem}#pdf-mini-toolbar .pdf-mini-sep{display:none}#pdf-mini-toolbar .pdf-mini-btn{min-width:22px;height:23px;padding:0 5px;font-size:.64rem}#pdf-mini-toolbar .pdf-mini-readout{min-width:40px;font-size:.64rem}}@container (width<=620px){#pdf-title{flex-basis:clamp(82px,30%,190px);font-size:.64rem}}body.pdf-expanded-mode .panel-resize-handle,body.quiz-card-expanded-mode .panel-resize-handle{opacity:0;pointer-events:none}body.zen-active{min-height:100vh;background:#0a0a0a!important}body.zen-active:before{display:none}body.zen-active #controls-bar,body.zen-active h1,body.zen-active #pdf-pane,body.zen-active #shortcuts-btn,body.zen-active #nav-row,body.zen-active #public-tour-widget,body.zen-active .welcome-donate{display:none!important}body.zen-active #work-area{min-height:100vh;background:#0a0a0a!important;grid-template-columns:1fr!important;padding:0!important}body.zen-active #quiz-pane{justify-content:center;align-items:center;min-height:100vh;padding:0;display:flex;background:#0a0a0a!important;border:none!important}body.zen-active #quiz-card{border:1px solid #333;width:100%;max-width:calc(100vw - 24px);margin:auto;box-shadow:none!important;background:#0a0a0a!important;animation:none!important}body.zen-active #work-area.split-view #quiz-card:not(.is-floating),body.zen-active #work-area.split-view-ai #quiz-card:not(.is-floating),body.zen-active #work-area.trio-view #quiz-card:not(.is-floating){width:min(1592px,100vw - 24px);max-width:calc(100vw - 24px);margin:auto;padding:2.5rem}#exit-zen-btn{top:var(--welcome-tour-edge,16px);right:var(--welcome-tour-edge,16px);z-index:16050;background:var(--btn-theme-surface);border:1px solid color-mix(in srgb, var(--btn-theme-border) 72%, #ffffff2e 28%);border-radius:var(--btn-radius-pill);min-height:38px;color:var(--btn-text);cursor:pointer;letter-spacing:.01em;box-shadow:none;padding:0 14px;font-size:.82rem;font-weight:800;transition:transform .18s,box-shadow .18s,border-color .18s,background .18s;display:none;position:fixed}#exit-zen-btn:hover{background:var(--btn-theme-surface-strong);border-color:color-mix(in srgb, var(--btn-theme-border) 84%, #ffffff29 16%);color:var(--btn-text);box-shadow:none;transform:translateY(-1px)}body.zen-active #exit-zen-btn{display:block}body.welcome-mode #controls-bar,body.welcome-mode #app-home-title,body.welcome-mode #app-home-title-edit,body.welcome-mode .search-wrapper{display:none}body.welcome-mode #quiz-pane{justify-content:center}#ai-pane{border-left:1px solid var(--app-border,#94a3b840);background:0 0;flex-direction:column;height:100%;min-height:0;display:none;position:relative;overflow:hidden}#ai-pane iframe{border:none;flex:1;width:100%;height:100%}#ai-expl-view{background:var(--pane-bg-elevated);scrollbar-width:none;-ms-overflow-style:none;flex:1;padding:0 12px 12px;display:none;position:relative;overflow-y:auto}#ask-memora-pane-view{background:var(--pane-bg-elevated);flex-direction:column;flex:auto;gap:10px;min-height:0;padding:12px;display:none;overflow:hidden}.ask-memora-pane-toolbar{flex:none;justify-content:space-between;align-items:center;gap:10px;min-height:34px;display:flex}.ask-memora-pane-toolbar:empty{display:none}.ask-memora-pane-body{flex-direction:column;flex:auto;gap:10px;min-height:0;display:flex;overflow:hidden}#ai-pane .ask-ai-response-container{flex:auto;min-height:0}#ai-pane .ask-ai-response-body{min-height:0}#ai-pane .ask-ai-composer{flex:none;padding-top:0}#ai-expl-view:before{content:"";z-index:20;pointer-events:none;background:linear-gradient(180deg, var(--pane-bg-elevated) 0%, color-mix(in srgb, var(--pane-bg-elevated) 92%, transparent) 72%, #0f172a00 100%);height:16px;margin:0 -12px -16px;display:block;position:sticky;top:0}#ai-expl-view::-webkit-scrollbar{width:0;height:0;display:none}#ai-live-view{background:radial-gradient(circle at top right, color-mix(in srgb, var(--g1,#60a5fa) 18%, transparent) 0%, transparent 34%), linear-gradient(180deg, color-mix(in srgb, var(--pane-bg-elevated,#0f172ad1) 90%, #080b12f0 10%) 0%, color-mix(in srgb, var(--pane-bg-elevated,#0f172ad1) 96%, #020617fa 4%) 100%);flex-direction:column;flex:1;gap:10px;min-height:0;padding:12px;display:none}.ai-live-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.ai-live-toolbar-actions{align-items:center;gap:8px;display:flex}.ai-live-action-btn{min-width:84px;width:auto!important;padding:0 12px!important;font-size:.75rem!important}.ai-live-status{color:#cbd5e1;background:#0f172a6b;border:1px solid #94a3b838;border-radius:999px;align-items:center;gap:8px;min-height:28px;padding:0 12px;font-size:.78rem;font-weight:600;display:inline-flex}.ai-live-status:before{content:"";background:#64748b;border-radius:999px;width:8px;height:8px;box-shadow:0 0 0 4px #64748b1f}.ai-live-status[data-tone=live]:before{background:#34d399;box-shadow:0 0 0 4px #34d39924}.ai-live-status[data-tone=pending]:before{background:#f59e0b;box-shadow:0 0 0 4px #f59e0b24}.ai-live-status[data-tone=error]:before{background:#fb7185;box-shadow:0 0 0 4px #fb718524}.ai-live-meta{color:#94a3b8;font-size:.72rem;line-height:1.45}.ai-live-messages{scrollbar-width:thin;flex-direction:column;flex:1;gap:10px;min-height:180px;padding-right:2px;display:flex;overflow-y:auto}.ai-live-empty{color:#94a3b8;background:#0f172a57;border:1px dashed #94a3b83d;border-radius:14px;flex-direction:column;gap:8px;padding:14px;font-size:.86rem;line-height:1.6;display:flex}.ai-live-empty strong{color:#e2e8f0;font-size:.92rem}.ai-live-message{border:1px solid #94a3b82e;border-radius:14px;flex-direction:column;gap:6px;max-width:92%;padding:12px 13px;display:flex;box-shadow:0 10px 24px #0206172e}.ai-live-message-user{background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 26%, #1e293beb) 0%, color-mix(in srgb, var(--g2,#f472b6) 24%, #0f172aeb) 100%);align-self:flex-end}.ai-live-message-assistant{background:#0f172abd;align-self:flex-start}.ai-live-message.pending{border-style:dashed}.ai-live-message-role{letter-spacing:.04em;text-transform:uppercase;color:#94a3b8;font-size:.68rem;font-weight:700}.ai-live-message-body{white-space:pre-wrap;color:#e2e8f0;font-size:.9rem;line-height:1.6}.ai-live-message-badges{flex-wrap:wrap;gap:6px;display:flex}.ai-live-source-badge{color:#cbd5e1;letter-spacing:.03em;text-transform:uppercase;background:#0f172a8c;border:1px solid #94a3b84d;border-radius:999px;align-items:center;gap:5px;padding:3px 9px;font-size:.68rem;font-weight:700;display:inline-flex}.ai-live-source-badge[data-source-kind=slides]{color:#bfdbfe;background:#2563eb38;border-color:#60a5fa73}.ai-live-source-badge[data-source-kind=web]{color:#a7f3d0;background:#10b98133;border-color:#34d39973}.ai-live-source-badge[data-source-kind=general]{color:#cbd5e1;background:#64748b2e;border-color:#94a3b852}.ai-live-compose{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:10px;display:grid}.ai-live-input{resize:vertical;min-height:86px;line-height:1.5}.ai-live-send-btn{align-self:stretch;min-width:96px}.ai-live-debug-shell{background:#0f172a42;border:1px solid #94a3b82e;border-radius:12px;margin:0;overflow:hidden}.ai-live-debug-shell summary{cursor:pointer;color:#cbd5e1;user-select:none;padding:10px 12px;font-size:.8rem;font-weight:600;list-style:none}.ai-live-debug-shell summary::-webkit-details-marker{display:none}.ai-live-debug-actions{gap:8px;padding:0 12px 10px;display:flex}.ai-live-debug-log{color:#cbd5e1;white-space:pre-wrap;word-break:break-word;background:#02061770;border-top:1px solid #94a3b824;min-height:120px;max-height:220px;margin:0;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.72rem;line-height:1.5;overflow:auto}#ai-expl-content{min-height:100%;color:var(--text-main,#e2e8f0);padding:0}#ai-expl-content .ai-expl-meta{color:#94a3b8;margin-bottom:10px;font-size:.78rem;line-height:1.5}#ai-expl-content .ai-expl-regenerate-toolbar{flex-wrap:wrap;gap:8px;margin:0 0 14px;display:flex}#ai-expl-content .ai-expl-regenerate-toolbar .source-filter-btn{letter-spacing:0;border-radius:8px;min-height:30px;padding:6px 10px;font-size:.72rem;font-weight:800}#ai-expl-content.is-regenerating .ai-expl-regenerate-toolbar .source-filter-btn{opacity:.72;pointer-events:none}#ai-expl-content .ai-expl-reader-shell{z-index:18;isolation:isolate;border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 28%, #94a3b859);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 16%, #0f172afc) 0%, #0f172afc 58%, color-mix(in srgb, var(--g2,#f472b6) 12%, #0f172afb) 100%);-webkit-backdrop-filter:blur(12px);border-radius:14px;gap:12px;margin:0 0 14px;padding:14px;display:grid;position:sticky;top:0;box-shadow:0 18px 42px #02061738}#ai-expl-content .ai-expl-reader-shell:after{content:"";z-index:1;pointer-events:none;background:linear-gradient(180deg, #0f172a00 0%, color-mix(in srgb, var(--pane-bg-elevated,#111827) 88%, transparent) 56%, var(--pane-bg-elevated,#111827) 100%);height:30px;position:absolute;bottom:-26px;left:0;right:0}#ai-expl-content .ai-expl-reader-header{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}#ai-expl-content .ai-expl-reader-toggle{min-width:0;color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;flex:auto;justify-content:space-between;align-items:center;gap:12px;padding:0;display:flex}#ai-expl-content .ai-expl-reader-title-wrap{gap:2px;min-width:0;display:grid}#ai-expl-content .ai-expl-reader-title{letter-spacing:.02em;color:var(--text-main,#e2e8f0);font-size:.9rem;font-weight:700}#ai-expl-content .ai-expl-reader-toggle-meta{color:#9fb0c7;font-size:.73rem}#ai-expl-content .ai-expl-reader-toggle-caret{color:#cbd5e1;font-size:.9rem;transition:transform .18s}#ai-expl-content .ai-expl-reader-shell[data-open=true] .ai-expl-reader-toggle-caret{transform:rotate(180deg)}#ai-expl-content .ai-expl-reader-note{color:#9fb0c7;min-height:0;margin-top:4px;font-size:.76rem;line-height:1.45}#ai-expl-content .ai-expl-reader-note:empty{display:none}#ai-expl-content .ai-expl-reader-status{color:#dbeafe;white-space:nowrap;background:#0f172a8c;border:1px solid #94a3b847;border-radius:999px;align-self:center;padding:6px 10px;font-size:.73rem;font-weight:600}#ai-expl-content .ai-expl-reader-status[data-tone=live]{color:#bbf7d0;border-color:#34d3996b}#ai-expl-content .ai-expl-reader-status[data-tone=pending]{color:#fde68a;border-color:#facc156b}#ai-expl-content .ai-expl-reader-status[data-tone=error]{color:#fecaca;border-color:#f871716b}#ai-expl-content .ai-expl-reader-body{opacity:1;grid-template-rows:1fr;gap:10px;transition:grid-template-rows .22s,opacity .2s,margin-top .2s;display:grid;overflow:visible}#ai-expl-content .ai-expl-reader-body>*{min-height:0}#ai-expl-content .ai-expl-reader-shell[data-open=false] .ai-expl-reader-body{opacity:0;pointer-events:none;grid-template-rows:0fr;margin-top:-4px;overflow:hidden}#ai-expl-content .ai-expl-reader-controls{flex-wrap:wrap;align-items:end;gap:10px;display:flex;overflow:visible}#ai-expl-content .ai-expl-reader-btn{min-width:132px;padding-inline:14px;font-size:.94rem}#ai-expl-content .ai-expl-reader-field{flex:170px;gap:5px;min-width:170px;display:grid}#ai-expl-content .ai-expl-reader-field-compact{flex:0 0 110px;min-width:110px}#ai-expl-content .ai-expl-reader-field span{letter-spacing:.02em;color:#cbd5e1;font-size:.72rem;font-weight:600}#ai-expl-content .ai-expl-reader-voice-row{align-items:center;gap:8px;display:flex}#ai-expl-content .ai-expl-reader-voice-picker{z-index:2;position:relative}#ai-expl-content .ai-expl-reader-select{-webkit-appearance:none;appearance:none;border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 22%, #94a3b847);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 12%, #0f172af0) 0%, #0f172aeb 100%);width:100%;min-height:38px;color:var(--text-main,#e2e8f0);box-shadow:inset 0 1px #ffffff0a}#ai-expl-content .ai-expl-reader-voice-trigger{text-align:left;cursor:pointer;justify-content:space-between;align-items:center;gap:10px;display:flex}#ai-expl-content .ai-expl-reader-caret{opacity:.82;font-size:.82rem}#ai-expl-content .ai-expl-reader-voice-menu{z-index:30;-ms-overflow-style:none;scrollbar-width:none;border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 26%, #94a3b847);background:linear-gradient(180deg, color-mix(in srgb, var(--g1,#60a5fa) 10%, #0f172af7) 0%, color-mix(in srgb, var(--g2,#f472b6) 8%, #0f172af5) 100%);border-radius:14px;gap:6px;max-height:280px;padding:10px;animation:.16s aiExplVoiceMenuIn;display:grid;position:absolute;top:calc(100% + 8px);left:0;right:0;overflow-y:auto;box-shadow:0 22px 48px #0206176b}#ai-expl-content .ai-expl-reader-voice-menu[hidden]{display:none!important}#ai-expl-content .ai-expl-reader-voice-menu::-webkit-scrollbar{width:0;height:0;display:none}#ai-expl-content .ai-expl-reader-voice-option{background:#0f172a57;border-radius:12px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px;padding:4px;display:grid}#ai-expl-content .ai-expl-reader-voice-option[data-selected=true]{background:color-mix(in srgb, var(--g1,#60a5fa) 16%, #0f172a85);box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--g1,#60a5fa) 42%, #ffffff1f)}#ai-expl-content .ai-expl-reader-voice-option-btn,#ai-expl-content .ai-expl-reader-voice-preview-btn{color:var(--text-main,#e2e8f0);background:0 0;border:0}#ai-expl-content .ai-expl-reader-voice-option-btn{text-align:left;font:inherit;cursor:pointer;border-radius:10px;padding:8px 10px}#ai-expl-content .ai-expl-reader-voice-option-btn:hover,#ai-expl-content .ai-expl-reader-voice-option-btn:focus-visible{background:#60a5fa24;outline:none}#ai-expl-content .ai-expl-reader-voice-preview-btn{cursor:pointer;border-radius:999px;justify-content:center;align-items:center;width:34px;height:34px;font-size:.96rem;display:inline-flex}#ai-expl-content .ai-expl-reader-voice-preview-btn:hover,#ai-expl-content .ai-expl-reader-voice-preview-btn:focus-visible{background:#f472b624;outline:none}#ai-expl-content .ai-expl-reader-select option{color:#e2e8f0;background:#162033}#ai-expl-content .ai-expl-reader-icon-btn{flex:none;justify-content:center;align-items:center;width:42px;min-width:42px;height:38px;padding:0;font-size:1rem;line-height:1;display:inline-flex}#ai-expl-content .ai-formatted-response{font-size:.94rem;line-height:1.65}#ai-expl-content .ai-expl-empty{color:#94a3b8;padding:6px 0;font-size:.87rem;line-height:1.6}#ai-expl-content .ai-expl-slide-card{border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 30%, #94a3b859);background:color-mix(in srgb, var(--card-bg,#0f172a99) 88%, #ffffff0a 12%);cursor:text;border-radius:12px;margin:0 0 12px;padding:14px 14px 12px;transition:transform .2s,box-shadow .2s,border-color .2s,background .2s;position:relative}#ai-expl-content .ai-expl-slide-card:hover{border-color:color-mix(in srgb, var(--g1,#60a5fa) 56%, #ffffff38);transform:translateY(-1px);box-shadow:0 10px 26px #02061752}#ai-expl-content .ai-expl-slide-card .dd-section-header{margin-top:0;padding-right:128px}#ai-expl-content .ai-expl-slide-card .dd-paragraph:last-child{margin-bottom:0}#ai-expl-content .ai-expl-slide-card .dd-list,#ai-expl-content .ai-expl-slide-card .dd-table-wrap{width:calc(100% - 1.1rem);margin-left:1.1rem}#ai-expl-content .ai-expl-slide-expand-btn{border:1px solid var(--btn-border);border-radius:var(--btn-radius-pill);background:var(--btn-surface-soft);color:var(--btn-text);cursor:pointer;user-select:none;box-shadow:var(--btn-shadow-soft);padding:5px 10px;font-size:.72rem;line-height:1;position:absolute;top:10px;right:10px}#ai-expl-content .ai-expl-slide-expand-btn:hover{background:var(--btn-surface-hover);border-color:var(--btn-border-strong);color:var(--btn-text);box-shadow:var(--btn-shadow-hover)}#ai-expl-content .ai-expl-slide-audio-btn,.ai-expl-slide-modal-content .ai-expl-slide-audio-btn{border:1px solid var(--btn-border);border-radius:var(--btn-radius-pill);background:var(--btn-surface-soft);width:34px;height:34px;color:var(--btn-text);cursor:pointer;user-select:none;box-shadow:var(--btn-shadow-soft);justify-content:center;align-items:center;font-size:.92rem;line-height:1;display:inline-flex;position:absolute;top:10px;right:88px}#ai-expl-content .ai-expl-slide-audio-btn:hover,#ai-expl-content .ai-expl-slide-audio-btn:focus-visible,.ai-expl-slide-modal-content .ai-expl-slide-audio-btn:hover,.ai-expl-slide-modal-content .ai-expl-slide-audio-btn:focus-visible{background:var(--btn-surface-hover);border-color:var(--btn-border-strong);color:var(--btn-text);box-shadow:var(--btn-shadow-hover);outline:none}@keyframes aiExplVoiceMenuIn{0%{opacity:0;transform:translateY(-4px)scale(.985)}to{opacity:1;transform:translateY(0)scale(1)}}#ai-expl-content .ai-expl-slide-target{box-shadow:0 0 0 2px #060a12eb, 0 0 0 4px color-mix(in srgb, var(--g1,#60a5fa) 54%, #060a1275), 0 0 20px #02061794;background:0 0;border:1px solid #060a12db;border-radius:9px;transition:box-shadow .25s,background .25s}.ai-expl-slide-modal{-webkit-backdrop-filter:blur(10px)saturate(128%);z-index:10020;background:#020617d1;justify-content:center;align-items:center;padding:18px;display:none;position:fixed;inset:0}.ai-expl-slide-modal.active{display:flex}.ai-expl-slide-modal-card{border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 24%, #94a3b85c 76%);background:linear-gradient(168deg, color-mix(in srgb, #08111f 84%, var(--g1,#60a5fa) 16%) 0%, #0a111f 52%, color-mix(in srgb, #0a1020 86%, var(--g2,#f472b6) 14%) 100%);isolation:isolate;opacity:0;border-radius:16px;flex-direction:column;width:min(1911px,100vw - 24px);max-height:90vh;transition:transform .18s,opacity .18s;display:flex;position:relative;overflow:hidden;transform:scale(.94);box-shadow:0 30px 80px #0000009e,inset 0 1px #ffffff0f}.ai-expl-slide-modal.active .ai-expl-slide-modal-card{opacity:1;transform:scale(1)}.ai-expl-slide-modal-close{border-radius:var(--btn-radius-md);border:1px solid var(--btn-border);background:var(--btn-surface-soft);width:51px;height:51px;color:var(--btn-text);cursor:pointer;z-index:2;box-shadow:var(--btn-shadow-soft);font-size:1.875rem;line-height:1;position:absolute;top:12px;right:12px}.ai-expl-slide-modal-close:hover{background:var(--btn-surface-hover);border-color:var(--btn-border-strong);box-shadow:var(--btn-shadow-hover)}.ai-expl-slide-modal-content{scrollbar-width:none;-ms-overflow-style:none;flex:1;min-height:0;padding:1.875rem 2.1rem 2.025rem;overflow:auto;background:0 0!important}.ai-expl-slide-modal-content::-webkit-scrollbar{width:0;height:0;display:none}.ai-expl-slide-modal-content .ai-expl-slide-card{cursor:default;border:none;border-radius:0;margin:0;padding:0;font-size:1.5rem;line-height:1.68;box-shadow:none!important;background:0 0!important}.ai-expl-slide-modal-content .ai-formatted-response{background:0 0!important}.ai-expl-slide-modal-content .ai-expl-slide-card:hover{box-shadow:none;transform:none}.ai-expl-slide-modal-content .ai-expl-slide-card .dd-section-header{border-left-width:4px;padding-left:18px;font-size:1.74rem}.ai-expl-slide-modal-content .ai-expl-slide-card .dd-paragraph{padding-left:1.65rem}.ai-expl-slide-modal-content .ai-expl-slide-card .dd-list,.ai-expl-slide-modal-content .ai-expl-slide-card .dd-table-wrap{width:calc(100% - 1.65rem);margin-left:1.65rem}#ai-header{padding:6px 10px 6px calc(10px + var(--fullscreen-clearance-left,0px));background:linear-gradient(180deg, color-mix(in srgb, var(--btn-theme-surface-strong,#0f172ab8) 56%, transparent) 0%, color-mix(in srgb, var(--btn-theme-surface,#0f172a8a) 40%, transparent) 100%);border-bottom:1px solid var(--app-border,#94a3b840);-webkit-backdrop-filter:blur(20px)saturate(1.08);flex-shrink:0;justify-content:space-between;align-items:center;gap:8px;display:flex;box-shadow:inset 0 -1px #ffffff0a,0 10px 24px #0206172e}#ai-header .header-buttons{z-index:3;flex:none;align-items:center;gap:6px;margin-left:8px;display:flex;position:relative}#ai-header .ai-header-left{flex:1;align-items:center;gap:8px;min-width:0;display:flex;overflow:hidden}.pdf-tutor-header-controls{display:none}#work-area.pdf-tutor-view #ai-header{justify-content:flex-end;align-items:center;min-height:34px}#work-area.pdf-tutor-view #ai-header .ai-header-left{flex:auto;justify-content:flex-end;overflow:visible}#work-area.pdf-tutor-view #ai-title,#work-area.pdf-tutor-view #popout-ai-btn{display:none!important}#work-area.pdf-tutor-view .pdf-tutor-header-controls{flex-wrap:nowrap;justify-content:flex-start;align-items:center;gap:6px;min-width:0;display:flex;position:relative;overflow:visible}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls--pdf{scrollbar-width:none;-ms-overflow-style:none;flex-wrap:nowrap;flex:1 1 0;justify-content:flex-start;gap:5px;min-width:0;max-width:none;overflow:visible}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls--pdf::-webkit-scrollbar{width:0;height:0;display:none}#work-area.pdf-tutor-view #pdf-mini-toolbar{flex:none;min-width:0;max-width:118px;margin-left:2px}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls--pdf .pdf-tutor-header-group{flex-shrink:0}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls--pdf .pdf-tutor-header-group--study{flex:0 clamp(150px,19vw,224px);width:auto;max-width:224px}#work-area.pdf-tutor-view.pdf-tutor-slide-finder-hidden #pdf-header .pdf-tutor-header-controls--pdf .pdf-tutor-header-group--study{flex-basis:clamp(160px,22vw,244px);max-width:244px}#work-area.pdf-tutor-view #ai-header .pdf-tutor-header-controls--ai{flex:none}.pdf-tutor-header-group{background:linear-gradient(#0f172a61,#02061742),#0f172a33;border:1px solid #94a3b829;border-radius:8px;align-items:center;gap:3px;min-width:0;height:30px;padding:1px;display:inline-flex;position:relative;box-shadow:inset 0 1px #ffffff0a}.pdf-tutor-header-group--study{flex:0 224px;max-width:244px}.pdf-tutor-header-group--playback,.pdf-tutor-header-group--actions{flex:none}.pdf-tutor-slide-finder-control{background:linear-gradient(#0f172a66,#02061747),#0f172a38;border:1px solid #94a3b829;border-radius:8px;flex:0 220px;align-items:center;gap:3px;min-width:156px;max-width:260px;height:30px;padding:1px;display:inline-flex;box-shadow:inset 0 1px #ffffff0a}.pdf-tutor-slide-finder-control[hidden]{display:none!important}.pdf-tutor-slide-finder-input{min-width:0;height:24px;color:var(--text-main,#e2e8f0);font:inherit;background:#0206176b;border:1px solid #94a3b82e;border-radius:7px;outline:none;flex:auto;padding:0 7px;font-size:.68rem;font-weight:750}.pdf-tutor-slide-finder-input::placeholder{color:color-mix(in srgb, var(--btn-text-muted,#a8b3c7) 74%, transparent)}.pdf-tutor-slide-finder-input:focus-visible{border-color:#7dd3fc9e;box-shadow:0 0 0 3px #7dd3fc21}.pdf-tutor-slide-finder-input:disabled{opacity:.48;cursor:not-allowed}.pdf-tutor-quiz-every-control{border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 44%, #94a3b833 56%);background:radial-gradient(120% 150% at 0% 0%, color-mix(in srgb, var(--g1,#60a5fa) 18%, transparent) 0%, transparent 56%), linear-gradient(135deg, #0f172aad, #02061757);color:#dbeafe;white-space:nowrap;border-radius:8px;flex:none;align-items:center;gap:8px;width:max-content;max-width:100%;height:26px;padding:0 4px 0 9px;font-size:.7rem;font-weight:900;line-height:1;display:inline-flex;box-shadow:inset 0 1px #ffffff14,0 0 0 1px #60a5fa14}.pdf-tutor-quiz-every-control>span{color:var(--text-main,#f8fafc);letter-spacing:.01em}.pdf-tutor-quiz-every-control .pdf-tutor-header-select{border-color:color-mix(in srgb, var(--g2,#f472b6) 28%, #94a3b838 72%);background-color:#02061794;width:86px;min-width:86px;max-width:86px;height:22px;font-weight:900}.pdf-tutor-skip-quiz-btn{white-space:nowrap;border-radius:8px;flex:none;min-width:48px;max-width:58px;height:24px;padding:0 7px;font-size:.66rem;font-weight:900}.pdf-tutor-skip-quiz-btn:disabled{cursor:not-allowed;opacity:.48;transform:none}.pdf-tutor-slide-jump-control{color:#94a3b8;white-space:nowrap;background:linear-gradient(135deg,#0f172a6b,#02061738),#0f172a4d;border:1px solid #94a3b82e;border-radius:8px;flex:132px;align-items:center;gap:4px;min-width:106px;max-width:100%;height:24px;padding:0 5px 0 7px;font-size:.66rem;font-weight:800;line-height:1;display:inline-flex}.pdf-tutor-slide-jump-copy,.pdf-tutor-slide-total{flex:none}.pdf-tutor-slide-slider{min-width:48px;height:16px;accent-color:color-mix(in srgb, var(--g1,#60a5fa) 72%, var(--g2,#f472b6) 28%);cursor:pointer;flex:72px}.pdf-tutor-slide-slider:disabled{cursor:not-allowed;opacity:.48}.pdf-tutor-slide-number{width:38px;height:20px;color:var(--text-main,#e2e8f0);font:inherit;text-align:center;background:#0206176b;border:1px solid #94a3b82e;border-radius:6px;outline:none;flex:0 0 38px;padding:0 3px;font-size:.68rem;font-weight:900}.pdf-tutor-slide-number:focus-visible,.pdf-tutor-slide-slider:focus-visible{border-color:#7dd3fc9e;outline:none;box-shadow:0 0 0 3px #7dd3fc21}.pdf-tutor-slide-number:disabled{opacity:.48;cursor:not-allowed}body.pdf-tutor-mode #trio-iframe-warning,#work-area.pdf-tutor-view #trio-iframe-warning{display:none!important}.pdf-tutor-header-select{width:78px;min-width:78px;max-width:78px;height:20px;color:var(--text-main,#e2e8f0);font:inherit;appearance:none;background-color:#0206176b;background-image:linear-gradient(45deg,#0000 50%,#cbd5e1 50%),linear-gradient(135deg,#cbd5e1 50%,#0000 50%);background-position:calc(100% - 12px) 8px,calc(100% - 7px) 8px;background-repeat:no-repeat;background-size:5px 5px,5px 5px;background-attachment:scroll;background-origin:padding-box;background-clip:border-box;border:1px solid #94a3b82e;border-radius:6px;outline:none;flex:0 0 78px;padding:0 20px 0 7px;font-size:.68rem;font-weight:800}.pdf-tutor-header-select:focus-visible{border-color:#7dd3fc9e;box-shadow:0 0 0 3px #7dd3fc21}#pdf-header .pdf-tutor-header-controls .glass-btn,#ai-header .pdf-tutor-header-controls .glass-btn{border-color:var(--btn-border);background:var(--btn-surface);width:auto;min-width:38px;max-width:184px;height:24px;min-height:24px;color:var(--btn-text);box-shadow:none;white-space:nowrap;text-overflow:ellipsis;border-radius:7px;flex:none;padding:0 8px;font-size:.7rem;font-weight:800;line-height:1;overflow:hidden}#pdf-header .pdf-tutor-header-controls .pdf-tutor-study-guide-group,#ai-header .pdf-tutor-header-controls .pdf-tutor-study-guide-group{height:24px;box-shadow:none;background:0 0;border:none;align-items:center;gap:0;padding:0;transition:all .35s cubic-bezier(.25,.8,.25,1);display:inline-flex}#pdf-header .pdf-tutor-header-controls .pdf-tutor-study-guide-group:has(#pdf-tutor-sources-btn:not([hidden])),#ai-header .pdf-tutor-header-controls .pdf-tutor-study-guide-group:has(#pdf-tutor-sources-btn:not([hidden])){border:1px solid var(--btn-border);background:var(--btn-surface);color:var(--btn-text);border-radius:9999px;gap:4px;padding:1px 4px;box-shadow:inset 0 1px #ffffff0a}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls .pdf-tutor-study-guide-group:has(#pdf-tutor-sources-btn:not([hidden])) .glass-btn,#work-area.pdf-tutor-view #ai-header .pdf-tutor-header-controls .pdf-tutor-study-guide-group:has(#pdf-tutor-sources-btn:not([hidden])) .glass-btn{box-shadow:none!important;-webkit-backdrop-filter:none!important;background:0 0!important;border:1px solid #0000!important;border-radius:9999px!important;height:20px!important;min-height:20px!important;padding:0 10px!important;font-size:.7rem!important;font-weight:800!important;transition:background .2s,border-color .2s,max-width .4s cubic-bezier(.34,1.56,.64,1),opacity .3s,padding .4s,margin .4s!important}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls .pdf-tutor-study-guide-group:has(#pdf-tutor-sources-btn:not([hidden])) .glass-btn:hover,#work-area.pdf-tutor-view #ai-header .pdf-tutor-header-controls .pdf-tutor-study-guide-group:has(#pdf-tutor-sources-btn:not([hidden])) .glass-btn:hover{background:var(--btn-surface-hover)!important}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls .pdf-tutor-study-guide-group:has(#pdf-tutor-sources-btn:not([hidden])) .glass-btn[aria-pressed=true]:not(#pdf-tutor-study-guide-btn),#work-area.pdf-tutor-view #ai-header .pdf-tutor-header-controls .pdf-tutor-study-guide-group:has(#pdf-tutor-sources-btn:not([hidden])) .glass-btn[aria-pressed=true]:not(#pdf-tutor-study-guide-btn){background:color-mix(in srgb, var(--g1,#60a5fa) 24%, var(--btn-surface) 76%)!important;border-color:color-mix(in srgb, var(--g1,#60a5fa) 32%, var(--btn-border))!important;color:var(--btn-text)!important;box-shadow:none!important}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls .pdf-tutor-study-guide-group:has(#pdf-tutor-sources-btn:not([hidden])).is-open>#pdf-tutor-study-guide-btn,#work-area.pdf-tutor-view #ai-header .pdf-tutor-header-controls .pdf-tutor-study-guide-group:has(#pdf-tutor-sources-btn:not([hidden])).is-open>#pdf-tutor-study-guide-btn{background:color-mix(in srgb, var(--g1,#60a5fa) 18%, var(--btn-surface) 82%)!important;border-color:color-mix(in srgb, var(--g1,#60a5fa) 42%, var(--btn-border))!important;color:var(--btn-text)!important;box-shadow:none!important}#pdf-header .pdf-tutor-header-controls .pdf-tutor-study-guide-group #pdf-tutor-sources-btn,#pdf-header .pdf-tutor-header-controls .pdf-tutor-study-guide-group #pdf-tutor-my-notes-btn{opacity:1;white-space:nowrap;max-width:90px;overflow:hidden}#pdf-header .pdf-tutor-header-controls .pdf-tutor-study-guide-group #pdf-tutor-sources-btn[hidden],#pdf-header .pdf-tutor-header-controls .pdf-tutor-study-guide-group #pdf-tutor-my-notes-btn[hidden]{pointer-events:none;opacity:0!important;border:none!important;min-width:0!important;max-width:0!important;margin:0!important;padding:0!important;display:inline-flex!important}#pdf-header .pdf-tutor-header-controls .pdf-tutor-guided-control,#ai-header .pdf-tutor-header-controls .pdf-tutor-guided-control{height:24px;box-shadow:none;background:0 0;border:none;align-items:center;gap:0;padding:0;transition:all .35s cubic-bezier(.25,.8,.25,1);display:inline-flex}#pdf-header .pdf-tutor-header-controls .pdf-tutor-guided-control:has(#pdf-tutor-slider-group:not([hidden])),#ai-header .pdf-tutor-header-controls .pdf-tutor-guided-control:has(#pdf-tutor-slider-group:not([hidden])){border:1px solid var(--btn-border);background:var(--btn-surface);color:var(--btn-text);border-radius:9999px;gap:4px;padding:1px 4px;box-shadow:inset 0 1px #ffffff0a}#pdf-header .pdf-tutor-header-controls .pdf-tutor-guided-control:has(#pdf-tutor-slider-group:not([hidden])) .pdf-tutor-header-group,#ai-header .pdf-tutor-header-controls .pdf-tutor-guided-control:has(#pdf-tutor-slider-group:not([hidden])) .pdf-tutor-header-group{box-shadow:none!important;background:0 0!important;border:none!important;height:20px!important;padding:0!important}#pdf-header .pdf-tutor-header-controls .pdf-tutor-guided-control:has(#pdf-tutor-slider-group:not([hidden])) .glass-btn,#ai-header .pdf-tutor-header-controls .pdf-tutor-guided-control:has(#pdf-tutor-slider-group:not([hidden])) .glass-btn{box-shadow:none!important;-webkit-backdrop-filter:none!important;background:0 0!important;border:1px solid #0000!important;border-radius:9999px!important;height:20px!important;min-height:20px!important;padding:0 10px!important;font-size:.7rem!important;font-weight:800!important;transition:background .2s,border-color .2s,max-width .4s cubic-bezier(.34,1.56,.64,1),opacity .3s,padding .4s,margin .4s!important}#pdf-header .pdf-tutor-header-controls .pdf-tutor-guided-control:has(#pdf-tutor-slider-group:not([hidden])) .pdf-tutor-header-group--playback .glass-btn,#ai-header .pdf-tutor-header-controls .pdf-tutor-guided-control:has(#pdf-tutor-slider-group:not([hidden])) .pdf-tutor-header-group--playback .glass-btn{justify-content:center!important;align-items:center!important;width:20px!important;min-width:20px!important;max-width:20px!important;padding:0!important;display:inline-flex!important}#pdf-header .pdf-tutor-header-controls .pdf-tutor-guided-control:has(#pdf-tutor-slider-group:not([hidden])) .pdf-tutor-header-group--playback .pdf-tutor-guided-my-notes-btn,#ai-header .pdf-tutor-header-controls .pdf-tutor-guided-control:has(#pdf-tutor-slider-group:not([hidden])) .pdf-tutor-header-group--playback .pdf-tutor-guided-my-notes-btn{white-space:nowrap;width:auto!important;min-width:58px!important;max-width:76px!important;padding:0 8px!important}#pdf-header .pdf-tutor-header-controls .pdf-tutor-guided-control:has(#pdf-tutor-slider-group:not([hidden])) .pdf-tutor-header-group--playback .pdf-tutor-guided-intro-btn,#ai-header .pdf-tutor-header-controls .pdf-tutor-guided-control:has(#pdf-tutor-slider-group:not([hidden])) .pdf-tutor-header-group--playback .pdf-tutor-guided-intro-btn{white-space:nowrap;width:auto!important;min-width:38px!important;max-width:48px!important;padding:0 7px!important}#pdf-header .pdf-tutor-header-controls .pdf-tutor-guided-control:has(#pdf-tutor-slider-group:not([hidden])) .glass-btn:hover{background:var(--btn-surface-hover)!important}#pdf-header .pdf-tutor-header-controls .pdf-tutor-guided-control:has(#pdf-tutor-slider-group:not([hidden])) .glass-btn[aria-pressed=true]{background:color-mix(in srgb, var(--g1,#60a5fa) 24%, var(--btn-surface) 76%)!important;border-color:color-mix(in srgb, var(--g1,#60a5fa) 32%, var(--btn-border))!important;color:var(--btn-text)!important}#pdf-header .pdf-tutor-header-controls .pdf-tutor-guided-control:has(#pdf-tutor-slider-group:not([hidden])).is-open>#pdf-tutor-guided-btn,#ai-header .pdf-tutor-header-controls .pdf-tutor-guided-control:has(#pdf-tutor-slider-group:not([hidden])).is-open>#pdf-tutor-guided-btn{background:color-mix(in srgb, var(--g1,#60a5fa) 18%, var(--btn-surface) 82%)!important;border-color:color-mix(in srgb, var(--g1,#60a5fa) 42%, var(--btn-border))!important;color:var(--btn-text)!important}#pdf-header .pdf-tutor-header-controls .pdf-tutor-guided-control #pdf-tutor-slider-group{opacity:1;white-space:nowrap;max-width:250px;overflow:hidden;transition:max-width .4s cubic-bezier(.34,1.56,.64,1),opacity .3s,padding .4s,margin .4s!important}#pdf-header .pdf-tutor-header-controls .pdf-tutor-guided-control #pdf-tutor-playback-group{opacity:1;white-space:nowrap;max-width:230px;overflow:hidden;transition:max-width .4s cubic-bezier(.34,1.56,.64,1),opacity .3s,padding .4s,margin .4s!important}#pdf-header .pdf-tutor-header-controls .pdf-tutor-guided-control #pdf-tutor-slider-group[hidden],#pdf-header .pdf-tutor-header-controls .pdf-tutor-guided-control #pdf-tutor-playback-group[hidden]{pointer-events:none;opacity:0!important;border:none!important;min-width:0!important;max-width:0!important;margin:0!important;padding:0!important;display:inline-flex!important}.pdf-tutor-mode-menu-shell{isolation:isolate;align-items:stretch;min-width:0;height:24px;display:inline-flex;position:relative;overflow:visible}.pdf-tutor-mode-menu-shell>.glass-btn[aria-haspopup=menu]:after{content:"▾";color:color-mix(in srgb, currentColor 72%, transparent);margin-left:5px;font-size:.62rem;line-height:1;transition:transform .24s cubic-bezier(.19,1,.22,1),color .2s;display:inline-block;transform:translateY(-1px)}.pdf-tutor-mode-menu-shell.is-open>.glass-btn[aria-haspopup=menu]:after{color:currentColor;transform:translateY(-1px)rotate(180deg)}.pdf-tutor-mode-menu-shell.is-open>.glass-btn[aria-haspopup=menu]{border-color:color-mix(in srgb, var(--g1,#60a5fa) 56%, #fff3 44%);background:color-mix(in srgb, var(--g1,#60a5fa) 18%, #0f172a7a 82%);color:var(--text-main,#f8fafc);box-shadow:0 0 0 3px color-mix(in srgb, var(--g1,#60a5fa) 16%, transparent)}.pdf-tutor-mode-menu{--pdf-tutor-settings-outline:color-mix(in srgb, var(--btn-theme-border,#334155) 78%, #ffffff29 22%);box-sizing:border-box;z-index:90;width:min(364px,100vw - 24px);max-height:min(680px, calc(100vh - var(--pdf-header-height,42px) - 24px));scrollbar-width:none;border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 22%, var(--pdf-tutor-settings-outline) 78%);background:radial-gradient(130% 90% at 12% 0%, color-mix(in srgb, var(--g1,#60a5fa) 16%, transparent) 0%, transparent 52%), radial-gradient(130% 90% at 92% 0%, color-mix(in srgb, var(--g2,#f472b6) 12%, transparent) 0%, transparent 48%), linear-gradient(180deg, #0e1528, #030718);-webkit-backdrop-filter:blur(20px)saturate(1.08);transform-origin:100% 0;border-radius:14px;gap:10px;padding:12px;display:grid;position:absolute;top:calc(100% + 10px);right:0;overflow:hidden auto;box-shadow:0 26px 64px #020617c7,0 4px 18px #02061780,inset 0 1px #ffffff1a}.pdf-tutor-mode-menu::-webkit-scrollbar-thumb{background:color-mix(in srgb, var(--g1,#60a5fa) 34%, #94a3b847 66%);border-radius:999px}.pdf-tutor-mode-menu::-webkit-scrollbar-track{background:0 0}.pdf-tutor-mode-menu-head{text-align:left;align-items:center;gap:10px;padding:2px 2px 0;display:flex}.pdf-tutor-mode-menu-head-icon{width:34px;height:34px;color:color-mix(in srgb, var(--g1,#60a5fa) 78%, #fff 22%);border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 36%, #ffffff1f 64%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 24%, transparent), color-mix(in srgb, var(--g2,#f472b6) 16%, transparent));border-radius:10px;flex:none;justify-content:center;align-items:center;display:inline-flex;box-shadow:inset 0 1px #ffffff24}.pdf-tutor-mode-menu-head-icon svg{width:18px;height:18px;display:block}.pdf-tutor-mode-menu-head-copy{gap:2px;min-width:0;display:grid}.pdf-tutor-mode-menu-head-copy strong{color:var(--text-main,#f8fafc);letter-spacing:.01em;font-size:.9rem;font-weight:950;line-height:1.15}.pdf-tutor-mode-menu-head-copy small{color:color-mix(in srgb, var(--btn-text-muted,#a8b3c7) 88%, var(--g1,#60a5fa) 12%);font-size:.7rem;font-weight:700;line-height:1.3}.pdf-tutor-mode-menu-primary{gap:7px;display:grid}.pdf-tutor-occlusion-quality-choice{border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 28%, var(--app-border) 72%);background:color-mix(in srgb, var(--btn-surface) 82%, transparent);border-radius:10px;gap:7px;padding:9px;animation:.18s ease-out both pdf-tutor-settings-soft-open;display:grid}.pdf-tutor-occlusion-quality-choice[hidden]{display:none!important}.pdf-tutor-occlusion-quality-choice>strong{color:var(--text-main);font-size:.76rem;font-weight:900}.pdf-tutor-occlusion-quality-option{width:100%;color:var(--btn-text);text-align:left;border:1px solid var(--app-border);background:var(--btn-surface);cursor:pointer;border-radius:9px;gap:3px;padding:9px 10px;transition:background .14s,border-color .14s,transform .14s;display:grid}.pdf-tutor-occlusion-quality-option:hover,.pdf-tutor-occlusion-quality-option:focus-visible{border-color:var(--btn-theme-border);background:var(--btn-surface-hover);outline:none;transform:translateY(-1px)}.pdf-tutor-occlusion-quality-option>span{font-size:.78rem;font-weight:900}.pdf-tutor-occlusion-quality-option>small,.pdf-tutor-occlusion-note,.pdf-tutor-occlusion-progress{color:var(--btn-text-muted);font-size:.68rem;font-weight:700;line-height:1.35}.pdf-tutor-occlusion-note,.pdf-tutor-occlusion-progress{margin:0}.pdf-tutor-occlusion-note{border-left:2px solid color-mix(in srgb, var(--g2) 58%, var(--app-border));background:color-mix(in srgb, var(--g2) 8%, transparent);padding:8px 9px}.pdf-tutor-mode-menu[hidden]{display:none!important}.pdf-tutor-mode-menu-shell[data-pdf-tutor-menu-shell=guided] .pdf-tutor-mode-menu,.pdf-tutor-mode-menu-shell[data-pdf-tutor-menu-shell=flashcards] .pdf-tutor-mode-menu,.pdf-tutor-mode-menu-shell[data-pdf-tutor-menu-shell=occlusion] .pdf-tutor-mode-menu,.pdf-tutor-mode-menu-shell[data-pdf-tutor-menu-shell=study-guide] .pdf-tutor-mode-menu{transform-origin:0 0;left:0;right:auto}.pdf-tutor-mode-menu-shell[data-pdf-tutor-menu-shell=occlusion] .pdf-tutor-mode-menu{transform-origin:100% 0;left:auto;right:0}.pdf-tutor-mode-menu-shell.is-open .pdf-tutor-mode-menu{animation:.28s cubic-bezier(.19,1,.22,1) both pdf-tutor-settings-soft-open}.pdf-tutor-mode-menu-shell .pdf-tutor-mode-menu.is-closing{pointer-events:none;animation:.22s cubic-bezier(.4,0,.2,1) both pdf-tutor-settings-soft-close}@keyframes pdf-tutor-settings-soft-close{0%{opacity:1;transform:translateY(0)scale(1)}to{opacity:0;transform:translateY(-6px)scale(.985)}}.pdf-tutor-mode-menu-shell.is-attention-open .pdf-tutor-mode-menu{animation:.42s cubic-bezier(.19,1,.22,1) both pdf-tutor-settings-soft-open,2.45s ease-out .18s both pdf-tutor-settings-soft-pulse}.pdf-tutor-mode-menu::-webkit-scrollbar{width:0;height:0;display:none}.pdf-tutor-mode-menu-action{box-sizing:border-box;border:1px solid color-mix(in srgb, var(--btn-theme-border,#334155) 70%, #ffffff24 30%);width:100%;min-height:34px;color:var(--text-main,#e2e8f0);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 12%, transparent), color-mix(in srgb, var(--g2,#f472b6) 10%, transparent)), #0f172a9e;font:inherit;text-align:center;white-space:nowrap;word-break:normal;overflow-wrap:normal;text-overflow:clip;cursor:pointer;border-radius:9px;justify-content:center;align-items:center;padding:8px 10px;font-size:.82rem;font-weight:900;line-height:1.15;transition:border-color .16s,background .16s,color .16s,box-shadow .16s,transform .16s;display:inline-flex;overflow:visible}.pdf-tutor-mode-menu-action:hover,.pdf-tutor-mode-menu-action:focus-visible{border-color:color-mix(in srgb, var(--g1,#60a5fa) 54%, var(--g2,#f472b6) 24%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 22%, transparent), color-mix(in srgb, var(--g2,#f472b6) 16%, transparent)), #1e293bc7;color:var(--text-main,#f8fafc);outline:none;transform:translateY(-1px)}.pdf-tutor-mode-menu-action:disabled{cursor:not-allowed;opacity:.48;transform:none}#pdf-header .pdf-tutor-mode-menu .pdf-tutor-mode-menu-action[hidden]{display:none!important}#pdf-header .pdf-tutor-mode-menu .pdf-tutor-mode-menu-action.is-generated-ready{border-color:color-mix(in srgb, var(--g1,#60a5fa) 54%, var(--g2,#f472b6) 24%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 22%, transparent), color-mix(in srgb, var(--g2,#f472b6) 16%, transparent)), #1e293bc7;color:var(--text-main,#f8fafc);box-shadow:0 8px 22px color-mix(in srgb, var(--g1,#60a5fa) 20%, transparent), inset 0 1px 0 #ffffff24}.pdf-tutor-mode-menu-action--primary{border-color:color-mix(in srgb, var(--g1,#60a5fa) 62%, #fff3 38%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 82%, #0f172a 18%), color-mix(in srgb, var(--g2,#f472b6) 66%, #0f172a 34%));color:#f8fafc;text-shadow:0 1px 2px #02061759;box-shadow:0 8px 22px color-mix(in srgb, var(--g1,#60a5fa) 26%, transparent), inset 0 1px 0 #ffffff38}.pdf-tutor-mode-menu-action--primary:hover,.pdf-tutor-mode-menu-action--primary:focus-visible{border-color:color-mix(in srgb, var(--g1,#60a5fa) 78%, #fff 22%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 92%, #fff 8%), color-mix(in srgb, var(--g2,#f472b6) 78%, #0f172a 22%));color:#fff;box-shadow:0 10px 26px color-mix(in srgb, var(--g1,#60a5fa) 36%, transparent), inset 0 1px 0 #ffffff47}.pdf-tutor-mode-menu-action--ghost{border-color:color-mix(in srgb, var(--btn-theme-border,#334155) 62%, #ffffff1a 38%);color:color-mix(in srgb, var(--text-main,#e2e8f0) 82%, var(--btn-text-muted,#a8b3c7) 18%);background:#0f172a6b;font-weight:800}.pdf-tutor-mode-menu .pdf-tutor-settings-section{border-radius:10px;gap:0;max-height:42px;padding:0;transition:max-height .46s cubic-bezier(.22,1,.36,1),gap .36s cubic-bezier(.22,1,.36,1),padding .36s cubic-bezier(.22,1,.36,1);overflow:hidden}.pdf-tutor-mode-menu .pdf-tutor-settings-section.is-expanded{gap:8px;max-height:760px;padding:0 10px 10px}.pdf-tutor-mode-menu .pdf-tutor-settings-section>.pdf-tutor-settings-section-title{box-sizing:border-box;cursor:pointer;user-select:none;width:100%;padding:11px 10px;transition:background .16s,color .16s,margin .36s cubic-bezier(.22,1,.36,1),width .36s cubic-bezier(.22,1,.36,1)}.pdf-tutor-mode-menu .pdf-tutor-settings-section>.pdf-tutor-settings-section-title:is(:hover,:focus-visible){background:color-mix(in srgb, var(--g1,#60a5fa) 10%, transparent);color:var(--text-main,#f8fafc);outline:none}.pdf-tutor-mode-menu .pdf-tutor-settings-section>.pdf-tutor-settings-section-title:after{content:"▾";color:color-mix(in srgb, currentColor 68%, transparent);margin-left:auto;font-size:.62rem;transition:transform .16s,color .16s;transform:rotate(-90deg)}.pdf-tutor-mode-menu .pdf-tutor-settings-section.is-expanded>.pdf-tutor-settings-section-title:after{color:currentColor;transform:rotate(0)}.pdf-tutor-mode-menu .pdf-tutor-settings-section.is-expanded>.pdf-tutor-settings-section-title{width:calc(100% + 20px);margin-inline:-10px}.pdf-tutor-mode-menu .pdf-tutor-settings-section>:not(.pdf-tutor-settings-section-title){opacity:0;pointer-events:none;max-height:0;margin-block:0;transition:max-height .44s cubic-bezier(.22,1,.36,1),opacity .22s,transform .36s cubic-bezier(.22,1,.36,1);overflow:hidden;transform:translateY(-6px)}.pdf-tutor-mode-menu .pdf-tutor-settings-section.is-expanded>:not(.pdf-tutor-settings-section-title){opacity:1;pointer-events:auto;max-height:560px;transform:translateY(0)}.pdf-tutor-mode-menu .pdf-tutor-settings-section--advanced.is-expanded{max-height:1600px}.pdf-tutor-mode-menu .pdf-tutor-settings-section--advanced.is-expanded>.pdf-tutor-settings-advanced-body{max-height:1500px;overflow:visible}.pdf-tutor-settings-advanced-body,.pdf-tutor-settings-advanced-group{gap:8px;display:grid}.pdf-tutor-settings-advanced-group{border:1px solid color-mix(in srgb, var(--pdf-tutor-settings-outline) 68%, transparent 32%);background:color-mix(in srgb, #0f172a8a 88%, var(--g1,#60a5fa) 12%);border-radius:8px;padding:9px}.pdf-tutor-settings-subsection-body{gap:8px;display:grid}.pdf-tutor-mode-menu .pdf-tutor-settings-subsection.is-expanded{max-height:980px}.pdf-tutor-mode-menu .pdf-tutor-settings-subsection.is-expanded>.pdf-tutor-settings-subsection-body{max-height:880px;overflow:visible}.pdf-tutor-mode-menu .pdf-tutor-settings-field{text-align:left}#pdf-header .pdf-tutor-header-controls .pdf-tutor-mode-menu .pdf-tutor-mode-menu-action,#ai-header .pdf-tutor-header-controls .pdf-tutor-mode-menu .pdf-tutor-mode-menu-action{justify-self:stretch;white-space:nowrap!important;word-break:normal!important;overflow-wrap:normal!important;text-overflow:clip!important;width:100%!important;min-width:0!important;max-width:none!important;height:auto!important;min-height:36px!important;padding:8px 10px!important;font-size:.82rem!important;line-height:1.2!important;display:flex!important;overflow:visible!important}#pdf-header .pdf-tutor-header-controls .pdf-tutor-mode-menu .pdf-tutor-mode-menu-action--primary,#ai-header .pdf-tutor-header-controls .pdf-tutor-mode-menu .pdf-tutor-mode-menu-action--primary{min-height:40px!important;font-size:.86rem!important}#pdf-header .pdf-tutor-header-controls .pdf-tutor-mode-menu .pdf-tutor-occlusion-quality-option,#ai-header .pdf-tutor-header-controls .pdf-tutor-mode-menu .pdf-tutor-occlusion-quality-option{width:100%!important;min-width:0!important;max-width:none!important;height:auto!important;min-height:58px!important;color:var(--btn-text)!important;text-align:left!important;white-space:normal!important;border:1px solid var(--app-border)!important;background:var(--btn-surface)!important;box-shadow:none!important;border-radius:9px!important;justify-content:stretch!important;align-items:start!important;gap:3px!important;padding:9px 10px!important;display:grid!important;overflow:visible!important}#pdf-header .pdf-tutor-header-controls .pdf-tutor-mode-menu .pdf-tutor-occlusion-quality-option:is(:hover,:focus-visible),#ai-header .pdf-tutor-header-controls .pdf-tutor-mode-menu .pdf-tutor-occlusion-quality-option:is(:hover,:focus-visible){border-color:var(--btn-theme-border)!important;background:var(--btn-surface-hover)!important;outline:none!important;transform:translateY(-1px)!important}.pdf-tutor-mode-menu #pdf-tutor-skip-quiz-btn,.pdf-tutor-mode-menu #pdf-tutor-combine-study-guides-btn,.pdf-tutor-mode-menu #pdf-tutor-transcript-btn{width:100%!important;min-width:0!important;max-width:none!important}#pdf-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn,#ai-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn{isolation:isolate;font-variant-numeric:tabular-nums;justify-content:space-between;gap:6px;min-width:86px;max-width:124px;padding-inline:9px;position:relative}#pdf-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn>span,#ai-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn>span{z-index:1;position:relative}#pdf-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn:before,#ai-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn:before{content:"";z-index:0;border-radius:inherit;opacity:0;pointer-events:none;background:linear-gradient(100deg, transparent 0%, color-mix(in srgb, var(--g1,#60a5fa) 18%, transparent) 42%, color-mix(in srgb, var(--g2,#f472b6) 16%, transparent) 52%, transparent 72%);position:absolute;inset:0;transform:translate(-72%)}.pdf-tutor-guided-label{text-overflow:ellipsis;white-space:nowrap;text-align:left;flex:auto;min-width:0;overflow:hidden}.pdf-tutor-guided-eta{border:1px solid color-mix(in srgb, var(--text-main,#f8fafc) 40%, transparent);background:color-mix(in srgb, var(--muted-text,#94a3b8) 52%, #0206178a 48%);color:#0000;letter-spacing:0;opacity:0;width:9px;min-width:9px;max-width:9px;height:9px;box-shadow:none;border-radius:999px;flex:0 0 9px;justify-content:center;align-items:center;padding:0;font-size:0;font-weight:900;line-height:1;transition:opacity .18s,transform .22s cubic-bezier(.2,.8,.2,1),color .18s,background .18s,box-shadow .18s;display:inline-flex;transform:translateY(2px)scale(.96)}#pdf-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-preparing .pdf-tutor-guided-eta,#pdf-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-queued .pdf-tutor-guided-eta,#pdf-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-ready .pdf-tutor-guided-eta,#ai-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-preparing .pdf-tutor-guided-eta,#ai-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-queued .pdf-tutor-guided-eta,#ai-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-ready .pdf-tutor-guided-eta{opacity:1;transform:translateY(0)scale(1)}#pdf-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-preparing .pdf-tutor-guided-eta,#ai-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-preparing .pdf-tutor-guided-eta{background:#f59e0b;border-color:#f6ab2ad3;box-shadow:0 0 0 3px #f59e0b33}#pdf-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-queued .pdf-tutor-guided-eta,#ai-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-queued .pdf-tutor-guided-eta{background:0 0;border-color:#f59e0b;box-shadow:0 0 0 3px #f59e0b24}#pdf-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-ready .pdf-tutor-guided-eta,#ai-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-ready .pdf-tutor-guided-eta{background:#22c55e;border-color:#3ecc73d3;box-shadow:0 0 0 3px #22c55e33}#pdf-header .pdf-tutor-header-controls #pdf-tutor-skip-quiz-btn{min-width:86px;max-width:92px}#pdf-header .pdf-tutor-header-controls #pdf-tutor-slide-finder-btn{min-width:42px;max-width:48px;padding:0 7px}#pdf-header .pdf-tutor-header-controls #pdf-tutor-study-guide-btn{min-width:92px;max-width:104px}#pdf-header .pdf-tutor-header-controls #pdf-tutor-combine-study-guides-btn{min-width:92px;max-width:118px}#pdf-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-preparing,#ai-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-preparing{cursor:pointer;opacity:1;min-width:86px;max-width:104px;color:color-mix(in srgb, var(--g1,#60a5fa) 32%, var(--text-main,#f8fafc) 68%);background:color-mix(in srgb, var(--card-bg,#0f172a) 74%, var(--g1,#60a5fa) 10%)}#pdf-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-queued,#ai-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-queued{cursor:pointer;opacity:1;min-width:86px;max-width:104px;color:color-mix(in srgb, #f59e0b 34%, var(--text-main,#f8fafc) 66%);background:color-mix(in srgb, var(--card-bg,#0f172a) 82%, #f59e0b 5%)}#pdf-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-preparing:before,#ai-header .pdf-tutor-header-controls .pdf-tutor-generation-state-btn.is-preparing:before{opacity:1;animation:1.5s ease-in-out infinite pdf-tutor-guided-shimmer}#pdf-header .pdf-tutor-header-controls #pdf-tutor-guided-btn.is-cancel,#ai-header .pdf-tutor-header-controls #pdf-tutor-guided-btn.is-cancel{cursor:pointer;min-width:82px;max-width:94px;color:color-mix(in srgb, var(--danger,#ef4444) 72%, var(--text-main,#f8fafc) 28%);border-color:color-mix(in srgb, var(--danger,#ef4444) 48%, #fff3 52%);background:color-mix(in srgb, var(--danger,#ef4444) 12%, #0f172a94 88%)}#pdf-header .pdf-tutor-header-controls #pdf-tutor-guided-btn.is-cancel:before,#ai-header .pdf-tutor-header-controls #pdf-tutor-guided-btn.is-cancel:before{opacity:0;animation:none}#pdf-header .pdf-tutor-header-controls #pdf-tutor-guided-btn.is-cancel .pdf-tutor-guided-label,#ai-header .pdf-tutor-header-controls #pdf-tutor-guided-btn.is-cancel .pdf-tutor-guided-label{text-align:center}#pdf-header .pdf-tutor-header-controls #pdf-tutor-guided-btn.is-cancel .pdf-tutor-guided-eta,#ai-header .pdf-tutor-header-controls #pdf-tutor-guided-btn.is-cancel .pdf-tutor-guided-eta{display:none}#pdf-header .pdf-tutor-header-controls #pdf-tutor-guided-btn.is-cancel:hover,#pdf-header .pdf-tutor-header-controls #pdf-tutor-guided-btn.is-cancel:focus-visible,#ai-header .pdf-tutor-header-controls #pdf-tutor-guided-btn.is-cancel:hover,#ai-header .pdf-tutor-header-controls #pdf-tutor-guided-btn.is-cancel:focus-visible{color:var(--text-main,#f8fafc);border-color:color-mix(in srgb, var(--danger,#ef4444) 70%, #ffffff38 30%);background:color-mix(in srgb, var(--danger,#ef4444) 28%, #0f172a80 72%)}#pdf-header .pdf-tutor-header-controls #pdf-tutor-prev-btn,#pdf-header .pdf-tutor-header-controls #pdf-tutor-pause-btn,#pdf-header .pdf-tutor-header-controls #pdf-tutor-next-btn,#pdf-header .pdf-tutor-header-controls #pdf-tutor-voice-question-btn,#ai-header .pdf-tutor-header-controls #pdf-tutor-prev-btn,#ai-header .pdf-tutor-header-controls #pdf-tutor-pause-btn,#ai-header .pdf-tutor-header-controls #pdf-tutor-next-btn,#ai-header .pdf-tutor-header-controls #pdf-tutor-voice-question-btn{width:28px;min-width:28px;max-width:28px;padding:0;font-size:.9rem;font-weight:900}#pdf-header .pdf-tutor-header-controls #pdf-tutor-pause-btn,#pdf-header .pdf-tutor-header-controls #pdf-tutor-voice-question-btn,#ai-header .pdf-tutor-header-controls #pdf-tutor-pause-btn,#ai-header .pdf-tutor-header-controls #pdf-tutor-voice-question-btn{min-width:28px}#pdf-header .pdf-tutor-header-controls #pdf-tutor-pause-btn.is-guided-start-nudge,#ai-header .pdf-tutor-header-controls #pdf-tutor-pause-btn.is-guided-start-nudge{border-color:color-mix(in srgb, var(--g1,#60a5fa) 58%, #ffffff38 42%);color:var(--text-main,#f8fafc);animation:.62s ease-in-out 2 pdf-tutor-guided-start-nudge}#pdf-header .pdf-tutor-header-controls #pdf-tutor-voice-question-btn.is-live,#ai-header .pdf-tutor-header-controls #pdf-tutor-voice-question-btn.is-live{border-color:color-mix(in srgb, var(--g1,#60a5fa) 68%, #fff3 32%);background:color-mix(in srgb, var(--g1,#60a5fa) 22%, #0f172a80 78%);box-shadow:0 0 0 3px color-mix(in srgb, var(--g1,#60a5fa) 20%, transparent);color:var(--text-main,#f8fafc)}#pdf-header .pdf-tutor-header-controls #pdf-tutor-study-guide-btn[aria-pressed=true],#pdf-header .pdf-tutor-header-controls #pdf-tutor-sources-btn[aria-pressed=true]{border-color:color-mix(in srgb, var(--g1,#60a5fa) 56%, #fff3 44%);background:color-mix(in srgb, var(--g1,#60a5fa) 18%, #0f172a7a 82%);color:var(--text-main,#f8fafc)}#work-area.pdf-tutor-view #pdf-header{background:linear-gradient(180deg, color-mix(in srgb, var(--btn-surface-strong,#0f172aeb) 82%, var(--g1,#60a5fa) 18%), color-mix(in srgb, var(--btn-surface,#0f172ac7) 86%, var(--g2,#f472b6) 14%));border-bottom-color:color-mix(in srgb, var(--btn-border-strong,#94a3b852) 70%, var(--g1,#60a5fa) 30%);box-shadow:inset 0 -1px #ffffff0e,0 10px 24px #02061738}#work-area.pdf-tutor-view #pdf-header .header-buttons{gap:4px;margin-left:2px}#work-area.pdf-tutor-view #pdf-header .header-buttons>button,#work-area.pdf-tutor-view #pdf-more-btn{width:22px;min-width:22px;height:24px;min-height:24px}#work-area.pdf-tutor-view #pdf-mini-toolbar{gap:2px}#work-area.pdf-tutor-view #pdf-mini-toolbar .pdf-mini-btn{min-width:20px;height:24px;padding:0 4px;font-size:.64rem}#work-area.pdf-tutor-view #pdf-mini-toolbar .pdf-mini-readout{min-width:36px;font-size:.64rem}#work-area.pdf-tutor-view #pdf-title{opacity:1;background-image:linear-gradient(90deg, color-mix(in srgb, var(--g1,#60a5fa) 78%, var(--text-main,#f8fafc) 22%), color-mix(in srgb, var(--g2,#f472b6) 70%, var(--text-main,#f8fafc) 30%));flex-basis:clamp(34px,5vw,76px);max-width:clamp(34px,5vw,76px)}#work-area.pdf-tutor-view .pdf-tutor-header-group,#work-area.pdf-tutor-view .pdf-tutor-slide-finder-control,#work-area.pdf-tutor-view .pdf-tutor-quiz-every-control,#work-area.pdf-tutor-view .pdf-tutor-slide-jump-control{border-color:color-mix(in srgb, var(--btn-border,#94a3b83d) 72%, var(--g1,#60a5fa) 28%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 11%, transparent), color-mix(in srgb, var(--g2,#f472b6) 9%, transparent)), color-mix(in srgb, var(--btn-surface-soft,#0f172ab8) 86%, #020617 14%);color:var(--btn-text-muted,#a8b3c7);box-shadow:var(--btn-shadow-soft,inset 0 1px 0 #ffffff0a)}#work-area.pdf-tutor-view .pdf-tutor-header-group{gap:3px;height:30px}#work-area.pdf-tutor-view:not(.pdf-tutor-slide-finder-hidden) .pdf-tutor-quiz-every-control>span,#work-area.pdf-tutor-view .pdf-tutor-slide-jump-copy{display:none}#work-area.pdf-tutor-view .pdf-tutor-header-select,#work-area.pdf-tutor-view .pdf-tutor-slide-finder-input,#work-area.pdf-tutor-view .pdf-tutor-slide-number,#work-area.pdf-tutor-view #pdf-mini-toolbar .pdf-mini-readout{border-color:color-mix(in srgb, var(--btn-border,#94a3b83d) 76%, var(--g2,#f472b6) 24%);background-color:color-mix(in srgb, var(--btn-surface-soft,#0f172ab8) 86%, #020617 14%);color:var(--btn-text,#e2e8f0)}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls .glass-btn,#work-area.pdf-tutor-view #pdf-mini-toolbar .pdf-mini-btn{border-color:color-mix(in srgb, var(--btn-border,#94a3b83d) 70%, var(--g1,#60a5fa) 30%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 14%, transparent), color-mix(in srgb, var(--g2,#f472b6) 11%, transparent)), var(--btn-surface-soft,#0f172ac2);color:var(--btn-text,#e2e8f0);box-shadow:var(--btn-shadow-soft,none)}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls .glass-btn:hover,#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls .glass-btn:focus-visible,#work-area.pdf-tutor-view #pdf-mini-toolbar .pdf-mini-btn:hover,#work-area.pdf-tutor-view #pdf-mini-toolbar .pdf-mini-btn:focus-visible{border-color:color-mix(in srgb, var(--btn-border-strong,#94a3b86b) 58%, var(--g2,#f472b6) 42%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 22%, transparent), color-mix(in srgb, var(--g2,#f472b6) 17%, transparent)), var(--btn-surface-hover,#1e293bdb);color:var(--btn-text,#f8fafc);box-shadow:var(--btn-shadow-hover,0 8px 22px #02061747)}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls .glass-btn:disabled,#work-area.pdf-tutor-view #pdf-mini-toolbar .pdf-mini-btn:disabled{opacity:.48;box-shadow:none;transform:none}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls #pdf-tutor-guided-btn.is-preparing{border-color:color-mix(in srgb, var(--btn-border,#94a3b83d) 78%, var(--g1,#60a5fa) 22%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 10%, transparent), color-mix(in srgb, var(--g2,#f472b6) 8%, transparent)), color-mix(in srgb, var(--btn-surface-soft,#0f172ab8) 90%, #020617 10%);color:color-mix(in srgb, var(--g1,#60a5fa) 30%, var(--btn-text,#f8fafc) 70%)}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls #pdf-tutor-guided-btn.is-cancel{border-color:color-mix(in srgb, var(--danger,#ef4444) 48%, #fff3 52%);background:color-mix(in srgb, var(--danger,#ef4444) 12%, #0f172a94 88%);color:color-mix(in srgb, var(--danger,#ef4444) 72%, var(--text-main,#f8fafc) 28%)}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls #pdf-tutor-guided-btn.is-cancel:hover,#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls #pdf-tutor-guided-btn.is-cancel:focus-visible{border-color:color-mix(in srgb, var(--danger,#ef4444) 70%, #ffffff38 30%);background:color-mix(in srgb, var(--danger,#ef4444) 28%, #0f172a80 72%);color:var(--text-main,#f8fafc)}.pdf-study-guide-warmup-header{border-left:1px solid color-mix(in srgb, var(--btn-theme-border,#334155) 34%, #ffffff14 66%);min-width:0;max-width:min(430px,38vw);height:24px;font-family:var(--font-main,"Times New Roman", Times, serif);pointer-events:auto;align-items:center;gap:5px;margin-left:4px;padding-left:6px;line-height:1;display:inline-flex}.pdf-study-guide-warmup-header.is-revealing{animation:.42s cubic-bezier(.16,1,.3,1) both pdf-study-guide-warmup-fade-in}@media (prefers-reduced-motion:reduce){.pdf-study-guide-warmup-header.is-revealing{animation:none}}@keyframes pdf-study-guide-warmup-fade-in{0%{opacity:0;filter:blur(4px);transform:translateY(-5px)}to{opacity:1;filter:blur();transform:translateY(0)}}.pdf-study-guide-warmup-header[hidden]{display:none!important}#work-area.pdf-tutor-view #pdf-header .pdf-study-guide-warmup-header .pdf-study-guide-warmup-summary{min-width:0;max-width:145px;color:var(--btn-text,#e2e8f0);white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:5px;font-size:.72rem;font-weight:850;display:inline-flex;overflow:hidden}#work-area.pdf-tutor-view #pdf-header .pdf-study-guide-warmup-header .pdf-study-guide-warmup-summary strong{color:var(--text-main,#f8fafc);flex:none;font-weight:950}#work-area.pdf-tutor-view #pdf-header .pdf-study-guide-warmup-header .pdf-study-guide-warmup-summary span,#work-area.pdf-tutor-view #pdf-header .pdf-study-guide-warmup-header .pdf-study-guide-warmup-attempt{min-width:0;color:var(--btn-text-muted,#a8b3c7);white-space:nowrap;text-overflow:ellipsis;font-size:.7rem;font-weight:820;overflow:hidden}#work-area.pdf-tutor-view #pdf-header .pdf-study-guide-warmup-header .pdf-study-guide-warmup-actions,#work-area.pdf-tutor-view #pdf-header .pdf-study-guide-warmup-header .pdf-study-guide-retry-actions{flex-wrap:nowrap;gap:5px;min-width:max-content}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls .pdf-study-guide-warmup-header button,#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls .pdf-study-guide-warmup-header .glass-btn,#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls .pdf-study-guide-warmup-header .welcome-btn{white-space:nowrap;text-overflow:ellipsis;border-radius:7px;flex:none;width:auto;min-width:50px;max-width:112px;height:24px;min-height:24px;padding:0 8px;font-size:.7rem;font-weight:900;line-height:1;overflow:hidden}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls .pdf-study-guide-warmup-header .welcome-btn.primary{min-width:52px}@media (width<=760px){.pdf-study-guide-warmup-header{gap:4px;max-width:220px;margin-left:2px;padding-left:4px}#work-area.pdf-tutor-view #pdf-header .pdf-study-guide-warmup-header .pdf-study-guide-warmup-summary span{display:none}}#work-area.pdf-tutor-view #pdf-tutor-voice-question-btn{color:color-mix(in srgb, var(--g1,#60a5fa) 68%, var(--text-main,#f8fafc) 32%)}#work-area.pdf-tutor-view #pdf-tutor-voice-question-btn .pdf-tutor-mic-icon{fill:none;stroke:currentColor;stroke-width:2.15px;stroke-linecap:round;stroke-linejoin:round;width:13px;height:13px;filter:drop-shadow(0 0 8px color-mix(in srgb, var(--g1,#60a5fa) 30%, transparent));display:block}#work-area.pdf-tutor-view #pdf-tutor-voice-question-btn .pdf-tutor-stop-icon{width:12px;height:12px;box-shadow:0 0 12px color-mix(in srgb, var(--g1,#60a5fa) 42%, transparent);background:currentColor;border-radius:3px;display:block}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls #pdf-tutor-voice-question-btn.is-live,#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls #pdf-tutor-study-guide-btn[aria-pressed=true],#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls #pdf-tutor-sources-btn[aria-pressed=true],#work-area.pdf-tutor-view #pdf-mini-toolbar .pdf-mini-btn.active{border-color:color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 44%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 26%, transparent), color-mix(in srgb, var(--g2,#f472b6) 20%, transparent)), var(--btn-surface,#0f172ad1);color:var(--btn-text,#f8fafc);box-shadow:var(--btn-shadow-soft,none), 0 0 0 2px color-mix(in srgb, var(--g1,#60a5fa) 16%, transparent)}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls .pdf-tutor-mode-menu-shell>.glass-btn[aria-pressed=true]{border-color:color-mix(in srgb, var(--g1,#60a5fa) 58%, var(--g2,#f472b6) 42%);background:color-mix(in srgb, var(--btn-surface,#0f172ad1) 86%, var(--g1,#60a5fa) 14%);color:var(--btn-text,#f8fafc);box-shadow:inset 0 1px 0 #ffffff14, 0 0 0 1px color-mix(in srgb, var(--g1,#60a5fa) 24%, transparent), 0 0 12px color-mix(in srgb, var(--g2,#f472b6) 12%, transparent)}.pdf-tutor-orb-shell{display:none}#work-area.pdf-tutor-view #pdf-header{min-height:var(--pdf-header-height,46px);background:var(--btn-theme-surface-strong,var(--btn-surface-hover,var(--pdf-tutor-page-bg,#0f172a)));border-bottom:1px solid var(--app-border,#94a3b840);-webkit-backdrop-filter:blur(6px);padding-top:3px;padding-bottom:3px;padding-left:44px;box-shadow:0 6px 18px #02061747}#work-area.pdf-tutor-view #pdf-title{display:none}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-shell{z-index:24;isolation:isolate;flex:auto;align-items:center;width:auto;min-width:36px;height:34px;display:inline-flex;position:relative;overflow:visible}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-trigger{--voice-orb-level:.08;--voice-orb-glow:.3;--voice-orb-mix:.3;z-index:3;width:34px;min-width:34px;height:34px;min-height:34px;color:var(--text-muted,#94a3b8);box-shadow:none;background:0 0;border:0;border-radius:50%;padding:0;transition:transform .18s,filter .18s;position:relative;overflow:visible;transform:none}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-trigger:hover,#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-trigger:focus-visible,#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-shell.is-expanded .pdf-tutor-orb-trigger{--voice-orb-level:.58;--voice-orb-glow:.58;--voice-orb-mix:.72;box-shadow:none;filter:saturate(1.14)brightness(1.06);background:0 0;transform:scale(1.06)}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-visual{width:24px;height:24px;filter:drop-shadow(0 0 9px color-mix(in srgb, var(--g1,#60a5fa) 28%, transparent)) drop-shadow(0 0 14px color-mix(in srgb, var(--g2,#f472b6) 20%, transparent))}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-visual .memora-voice-orb-core{inset:4px}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-visual .memora-voice-orb-bar{inset:5px}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-actions{z-index:20;opacity:1;visibility:visible;pointer-events:auto;transform-origin:0;flex:none;width:auto;min-width:0;max-width:none;transition:opacity .17s,transform .22s cubic-bezier(.22,1,.36,1),visibility .17s;display:flex;position:absolute;top:50%;left:40px;right:0;overflow:visible;transform:translateY(-50%)scale(1)}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-shell.is-expanded .pdf-tutor-orb-actions,#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-shell:focus-within .pdf-tutor-orb-actions{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(-50%)scale(1)}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-actions>.pdf-tutor-header-group--actions{border:1px solid var(--btn-border,#ffffff14);background:var(--btn-surface,#0f172ab8);-webkit-backdrop-filter:blur(6px);border-radius:18px;gap:4px;width:fit-content;min-width:0;max-width:100%;height:32px;padding:3px 4px;box-shadow:0 6px 18px #02061747}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-actions>.pdf-tutor-header-group--actions>.pdf-tutor-mode-menu-shell{flex:0 auto;min-width:0}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-actions>.pdf-tutor-header-group--actions>.pdf-tutor-mode-menu-shell>.glass-btn{min-width:0;color:var(--text-muted,#94a3b8);box-shadow:none;background:0 0;border:0;border-radius:999px;flex:0 auto;padding-inline:6px;font-size:.64rem}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-actions>.pdf-tutor-header-group--actions>.pdf-tutor-mode-menu-shell>.glass-btn:is(:hover,:focus-visible){color:var(--text-main,#f8fafc);box-shadow:none;background:#ffffff1f;border:0;transform:none}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-actions>.pdf-tutor-header-group--actions>.pdf-tutor-mode-menu-shell>.glass-btn[aria-pressed=true],#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-actions>.pdf-tutor-header-group--actions>.pdf-tutor-mode-menu-shell>.glass-btn[aria-pressed=true]:is(:hover,:focus-visible){background:color-mix(in srgb, #ffffff1a 72%, var(--g1,#60a5fa) 28%);color:var(--text-main,#f8fafc);box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--g1,#60a5fa) 58%, var(--g2,#f472b6) 42%), 0 0 10px color-mix(in srgb, var(--g1,#60a5fa) 12%, transparent)}#work-area.pdf-tutor-view #pdf-header .header-buttons,#work-area.pdf-tutor-view #pdf-mini-toolbar{z-index:26;position:relative}#work-area.pdf-tutor-view #pdf-mini-toolbar{margin-left:0}#work-area.pdf-tutor-view #pdf-header .header-buttons{margin-left:2px}#work-area.pdf-tutor-view #pdf-header .header-buttons>button,#work-area.pdf-tutor-view #pdf-header #pdf-more-btn,#work-area.pdf-tutor-view #pdf-mini-toolbar .pdf-mini-btn{width:26px;min-width:26px;height:26px;min-height:26px;color:var(--text-muted,#94a3b8);border-radius:999px;padding:0;box-shadow:none!important;background:0 0!important;border:0!important}#pdf-tutor-occlusion-menu.is-choosing-quality>:not(.pdf-tutor-occlusion-quality-choice){display:none!important}#pdf-tutor-occlusion-menu.is-choosing-quality .pdf-tutor-occlusion-quality-choice{animation:none}#pdf-expand-header-btn .pdf-header-icon-svg{width:16px;height:16px}#work-area.pdf-tutor-view #pdf-header .header-buttons>button:is(:hover,:focus-visible),#work-area.pdf-tutor-view #pdf-header #pdf-more-btn:is(:hover,:focus-visible,.active),#work-area.pdf-tutor-view #pdf-mini-toolbar .pdf-mini-btn:is(:hover,:focus-visible,.active){color:var(--text-main,#f8fafc);transform:none;box-shadow:none!important;background:#ffffff1f!important;border:0!important}#work-area.pdf-tutor-view #pdf-mini-toolbar .pdf-mini-readout{color:var(--text-muted,#94a3b8);box-shadow:none;background:0 0;border:0}#pdf-tutor-fullscreen-menu-btn{display:none!important}#work-area.pdf-tutor-view #pdf-tutor-fullscreen-menu-btn{display:flex!important}body:has(#work-area:is(.split-view,.split-view-ai,.trio-view,.pdf-tutor-view)):not(.welcome-mode) #global-fullscreen-btn{display:none!important}@media (prefers-reduced-motion:no-preference){#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-shell.is-expanded .pdf-tutor-orb-visual{animation:1.35s ease-in-out infinite memora-orb-float}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-shell.is-expanded .memora-voice-orb-core{animation:.92s linear infinite memora-orb-cloud,1.2s ease-in-out infinite memora-orb-core}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-shell.is-expanded .memora-voice-orb-core:before{animation:.78s linear infinite memora-orb-fluid-a}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-shell.is-expanded .memora-voice-orb-core:after{animation:.86s linear infinite reverse memora-orb-fluid-b}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-shell.is-expanded .memora-voice-orb-bar{animation:.74s linear infinite memora-orb-swirl}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-orb-shell.is-expanded .memora-voice-orb-bar:before{animation:.82s ease-in-out infinite memora-orb-fluid-c}}#pdf-pane.ask-memora-overlap-blur:not(.pdf-slide-finder-open):before{content:"";left:var(--ask-memora-pdf-blur-left,0);top:var(--ask-memora-pdf-blur-top,var(--pdf-header-height,36px));width:var(--ask-memora-pdf-blur-width,0);height:var(--ask-memora-pdf-blur-height,0);z-index:2147482800;pointer-events:none;border-radius:var(--ask-memora-pdf-blur-radius,16px);-webkit-backdrop-filter:blur(16px)saturate(.92)brightness(1.02);background:linear-gradient(#0206170d,#0206171f),radial-gradient(circle at 74% 22%,#60a5fa14,#0000 42%);position:absolute;box-shadow:inset 0 0 0 1px #94a3b81a,0 0 22px #0206171f}#pdf-pane.pdf-slide-finder-open:before{content:"";left:0;right:0;top:var(--pdf-header-height,36px);z-index:2147482800;pointer-events:none;-webkit-backdrop-filter:blur(7px)saturate(.82)brightness(.78);background:linear-gradient(#0206173d,#0206178a),radial-gradient(circle at 74% 22%,#60a5fa24,#0000 38%);transition:opacity .22s,backdrop-filter .22s;position:absolute;bottom:0}#pdf-pane.pdf-slide-finder-open #pdfjs-host,#pdf-pane.pdf-slide-finder-open #pdf-frame{filter:blur(5px)brightness(.68)saturate(.82);transition:filter .18s}#pdf-pane.pdf-slide-finder-minimized:before{opacity:0;-webkit-backdrop-filter:none}#pdf-pane.pdf-slide-finder-minimized #pdfjs-host,#pdf-pane.pdf-slide-finder-minimized #pdf-frame{filter:none}#pdf-pane.pdf-slide-finder-fullscreen{overflow:visible;z-index:2147482890!important}#pdf-pane.pdf-slide-finder-docked{overflow:visible;z-index:150!important}#pdf-pane.pdf-slide-finder-minimized{overflow:visible;z-index:151!important}.pdf-tutor-slide-finder-panel{top:calc(var(--pdf-header-height,42px) + 12px);z-index:2147482900;width:auto;height:min(680px, calc(100% - var(--pdf-header-height,42px) - 28px));max-height:calc(100% - var(--pdf-header-height,42px) - 28px);box-sizing:border-box;border:1px solid var(--overhaul-panel-border,var(--btn-border-strong,#94a3b861));border-radius:var(--overhaul-panel-radius,10px);background:var(--overhaul-panel-bg,linear-gradient(145deg, color-mix(in srgb, var(--btn-surface-strong,#0f172a) 88%, var(--g1,#60a5fa) 12%), color-mix(in srgb, var(--btn-surface,#111827) 90%, var(--g2,#f472b6) 10%)));box-shadow:var(--overhaul-panel-shadow,0 22px 54px #0206176b);color:var(--text-main,#e2e8f0);flex-direction:column;gap:10px;padding:12px;transition:top .38s cubic-bezier(.22,1,.36,1),left .38s cubic-bezier(.22,1,.36,1),right .38s cubic-bezier(.22,1,.36,1),width .38s cubic-bezier(.22,1,.36,1),height .38s cubic-bezier(.22,1,.36,1),max-height .38s cubic-bezier(.22,1,.36,1),border-radius .26s,box-shadow .26s;display:flex;position:absolute;left:max(14px,100% - 444px);right:14px;overflow:hidden}.pdf-tutor-slide-finder-panel[hidden]{display:none}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=results]{border-radius:var(--overhaul-panel-radius,14px);width:calc(100vw - 36px);height:calc(100vh - 36px);max-height:calc(100vh - 36px);padding:16px;position:fixed;top:18px;left:18px;right:auto;box-shadow:0 28px 74px #02061785}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=docked]{border-radius:var(--overhaul-panel-radius,14px);width:calc(50vw - 36px);height:calc(100vh - 36px);max-height:calc(100vh - 36px);padding:16px;position:fixed;top:18px;left:18px;right:auto;box-shadow:0 24px 64px #02061775}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=minimized]{top:var(--slide-finder-minimized-top,calc(var(--pdf-header-height,42px) + 8px));left:var(--slide-finder-minimized-left,18px);width:var(--slide-finder-minimized-width,368px);border-radius:var(--overhaul-panel-radius,16px);gap:0;height:56px;max-height:56px;padding:8px 10px 8px 14px;position:fixed;right:auto;box-shadow:0 14px 34px #0206176b}.pdf-tutor-slide-finder-head{justify-content:space-between;align-items:flex-start;gap:10px;display:flex}.pdf-tutor-slide-finder-head-copy{min-width:0}.pdf-tutor-slide-finder-window-actions{flex:none;align-items:center;gap:7px;display:flex}.pdf-tutor-slide-finder-scope-toggle{border:1px solid var(--overhaul-btn-border,var(--btn-border,#94a3b83d));background:var(--overhaul-btn-bg,var(--btn-surface-soft,#0f172a8c));min-height:26px;box-shadow:var(--overhaul-btn-shadow,inset 0 1px 0 #ffffff0d);border-radius:999px;align-items:center;gap:2px;padding:2px;display:inline-flex}.pdf-tutor-slide-finder-scope-btn{appearance:none;min-height:20px;color:var(--btn-text-muted,var(--text-muted,#a8b3c7));font:inherit;white-space:nowrap;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:999px;padding:3px 8px;font-size:.64rem;font-weight:800;line-height:1;transition:background .16s,border-color .16s,color .16s}.pdf-tutor-slide-finder-scope-btn:hover,.pdf-tutor-slide-finder-scope-btn:focus-visible{color:var(--btn-text,var(--text-main,#f8fafc));outline:none}.pdf-tutor-slide-finder-scope-btn.is-active,.pdf-tutor-slide-finder-scope-btn[aria-pressed=true]{border-color:var(--overhaul-btn-hover-border,var(--btn-border-strong,#94a3b86b));background:var(--overhaul-btn-active-bg,color-mix(in srgb, var(--g1,#60a5fa) 18%, var(--btn-surface-strong,#0f172a) 82%));color:var(--btn-text,var(--text-main,#f8fafc))}.pdf-tutor-slide-finder-panel[data-finder-mode=reference] .pdf-tutor-slide-finder-scope-toggle,html.phone-device .pdf-tutor-slide-finder-scope-toggle{display:none}button.pdf-tutor-slide-finder-window-action,.pdf-tutor-slide-finder-panel .pdf-tutor-slide-finder-window-action{border-radius:8px;min-height:26px;padding:4px 10px;font-size:.7rem;font-weight:800;line-height:1;display:none}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=results] .pdf-tutor-slide-finder-minimize,html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=docked] .pdf-tutor-slide-finder-minimize,html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=docked] .pdf-tutor-slide-finder-expand{justify-content:center;align-items:center;display:inline-flex!important}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=results] .pdf-tutor-slide-finder-expand{display:none!important}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=minimized] .pdf-tutor-slide-finder-head{align-items:center;width:100%}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=minimized] .pdf-tutor-slide-finder-head-copy{flex:auto;overflow:hidden}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=minimized] .pdf-tutor-slide-finder-kicker,html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=minimized] .pdf-tutor-slide-finder-status{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=minimized] .pdf-tutor-slide-finder-status{margin-top:1px;font-size:.68rem}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=minimized] .pdf-tutor-slide-finder-minimize,html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=minimized] .pdf-tutor-slide-finder-results{display:none!important}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=minimized] .pdf-tutor-slide-finder-expand,html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=minimized] .pdf-tutor-slide-finder-close{opacity:1;pointer-events:auto;justify-content:center;align-items:center;transition:opacity .16s,transform .16s,background .16s;transform:none;display:inline-flex!important}.pdf-tutor-slide-finder-kicker{letter-spacing:0;color:color-mix(in srgb, var(--g1,#60a5fa) 70%, var(--text-main,#f8fafc) 30%);font-size:.74rem;font-weight:900}.pdf-tutor-slide-finder-status{color:var(--text-muted,#a8b3c7);margin-top:3px;font-size:.78rem;line-height:1.35}#pdf-header .pdf-tutor-slide-finder-close,.pdf-tutor-slide-finder-close{width:26px;min-width:26px;height:26px;min-height:26px;padding:0;line-height:1}.pdf-tutor-slide-finder-results{overscroll-behavior:contain;touch-action:pan-y;-ms-overflow-style:none;scrollbar-width:none;flex-direction:column;flex:auto;gap:12px;min-height:0;padding:2px 2px 14px 0;display:flex;overflow:hidden auto}.pdf-tutor-slide-finder-results::-webkit-scrollbar{display:none}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=results] .pdf-tutor-slide-finder-results{flex-flow:wrap;align-content:flex-start;align-items:flex-start;gap:14px;padding:2px 2px 18px}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=docked] .pdf-tutor-slide-finder-results{flex-flow:column;gap:14px;padding:2px 2px 18px}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=results] .pdf-tutor-slide-finder-result{box-sizing:border-box;flex-direction:column;flex:0 0 calc(33.3333% - 9.33333px);min-width:0;display:flex}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=docked] .pdf-tutor-slide-finder-result{box-sizing:border-box;flex-direction:column;flex:none;min-width:0;display:flex}.pdf-tutor-slide-finder-empty,.pdf-tutor-slide-finder-loading{color:var(--text-muted,#a8b3c7);border:1px dashed #94a3b842;border-radius:8px;padding:12px;font-size:.84rem;line-height:1.45}.pdf-tutor-slide-finder-loading{background:radial-gradient(circle at 14% 50%, color-mix(in srgb, var(--g1,#60a5fa) 14%, transparent), transparent 42%), color-mix(in srgb, var(--btn-surface-soft,#0f172ab8) 90%, #020617 10%);justify-content:center;align-items:center;gap:12px;min-height:118px;padding:18px;display:flex}.pdf-tutor-slide-finder-results:has(>.pdf-tutor-slide-finder-loading){align-content:center;place-items:center;display:grid}.pdf-tutor-slide-finder-results:has(>.pdf-tutor-slide-finder-loading) .pdf-tutor-slide-finder-loading{box-sizing:border-box;width:min(440px,100%)}.pdf-tutor-slide-finder-loading-spinner{border:2px solid color-mix(in srgb, var(--g1,#60a5fa) 18%, #94a3b82e 82%);border-top-color:var(--g1,#60a5fa);border-right-color:color-mix(in srgb, var(--g2,#f472b6) 70%, var(--g1,#60a5fa) 30%);width:34px;height:34px;box-shadow:0 0 16px color-mix(in srgb, var(--g1,#60a5fa) 28%, transparent);border-radius:50%;flex:0 0 34px;position:relative}.pdf-tutor-slide-finder-loading-spinner:after{content:"";background:var(--g1,#60a5fa);width:5px;height:5px;box-shadow:0 0 10px var(--g1,#60a5fa);border-radius:50%;position:absolute;top:1px;left:50%;transform:translate(-50%)}.pdf-tutor-slide-finder-loading-copy{gap:3px;min-width:0;display:grid}.pdf-tutor-slide-finder-loading-copy strong{color:var(--text-main,#f8fafc);font-size:.86rem}.pdf-tutor-slide-finder-loading-copy small{color:var(--text-muted,#a8b3c7);text-overflow:ellipsis;white-space:nowrap;font-size:.72rem;overflow:hidden}.pdf-tutor-slide-finder-loading--document{width:100%;min-height:86px;margin:auto 0}.pdf-tutor-slide-finder-document-loading{inset:var(--pdf-header-height,42px) 0 0;z-index:2147482850;background:radial-gradient(circle at 50% 44%, color-mix(in srgb, var(--g1,#60a5fa) 15%, transparent), transparent 42%), color-mix(in srgb, var(--app-surface-strong,#0f172a) 80%, #020617b8 20%);-webkit-backdrop-filter:blur(5px)saturate(.9);justify-content:center;align-items:center;padding:24px;display:flex;position:absolute}.pdf-tutor-slide-finder-document-loading .pdf-tutor-slide-finder-loading{width:min(440px,100% - 32px);min-height:118px}@media (prefers-reduced-motion:no-preference){.pdf-tutor-slide-finder-loading-spinner{animation:1.1s linear infinite pdf-tutor-slide-finder-spinner}}@keyframes pdf-tutor-slide-finder-spinner{to{transform:rotate(360deg)}}.pdf-tutor-slide-finder-result{background:color-mix(in srgb, var(--btn-surface-soft,#0f172ab8) 86%, #020617 14%);border:1px solid #94a3b833;border-radius:8px;flex:none;overflow:hidden}.pdf-tutor-slide-finder-result.is-top{border-color:color-mix(in srgb, var(--g1,#60a5fa) 46%, #94a3b847 54%)}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=results] .pdf-tutor-slide-finder-result:hover,html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=results] .pdf-tutor-slide-finder-result:focus-within,html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=docked] .pdf-tutor-slide-finder-result:hover,html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=docked] .pdf-tutor-slide-finder-result:focus-within,html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=docked] .pdf-tutor-slide-finder-result.is-selected{border-color:color-mix(in srgb, var(--g1,#60a5fa) 48%, #94a3b83d 52%);transform:translateY(-2px);box-shadow:0 12px 28px #0206173d}.pdf-tutor-slide-finder-summary,.pdf-tutor-slide-finder-result-head{justify-content:space-between;align-items:center;gap:8px;min-height:44px;padding:10px 12px;display:flex}.pdf-tutor-slide-finder-summary{cursor:pointer;list-style:none}.pdf-tutor-slide-finder-summary::-webkit-details-marker{display:none}.pdf-tutor-slide-finder-title{min-width:0;color:var(--text-main,#e2e8f0);text-overflow:ellipsis;white-space:nowrap;font-size:.84rem;font-weight:900;overflow:hidden}.pdf-tutor-slide-finder-confidence{border:1px solid color-mix(in srgb, var(--g2,#f472b6) 42%, #94a3b83d 58%);color:var(--text-main,#f8fafc);background:color-mix(in srgb, var(--g2,#f472b6) 12%, #0f172a9e 88%);border-radius:999px;flex:none;padding:2px 6px;font-size:.68rem;font-weight:900}.pdf-tutor-slide-finder-body{padding:0 12px 14px}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=results] .pdf-tutor-slide-finder-body,html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=docked] .pdf-tutor-slide-finder-body{flex-direction:column;flex:auto;min-height:0;display:flex}.pdf-tutor-slide-finder-preview{appearance:none;width:100%;min-height:156px;color:var(--text-muted,#a8b3c7);font:inherit;cursor:default;background:#0206175c;border:1px solid #94a3b829;border-radius:7px;place-items:center;margin-bottom:12px;padding:0;font-size:.78rem;transition:border-color .18s,box-shadow .18s,transform .18s;display:grid;overflow:hidden}.pdf-tutor-slide-finder-preview.is-rendered,.pdf-tutor-slide-finder-preview.is-pptx-rendered{cursor:zoom-in}.pdf-tutor-slide-finder-pptx-frame{width:100%;height:100%;min-height:inherit;pointer-events:none;background:#fff;position:relative;overflow:hidden}.pdf-tutor-slide-finder-pptx-slide{pointer-events:none!important;max-width:none!important;max-height:none!important;margin:0!important;position:absolute!important}.pdf-tutor-slide-finder-preview.is-rendered:hover,.pdf-tutor-slide-finder-preview.is-rendered:focus-visible{border-color:color-mix(in srgb, var(--g1,#60a5fa) 48%, #94a3b842 52%);box-shadow:0 0 0 2px color-mix(in srgb, var(--g1,#60a5fa) 18%, transparent)}.pdf-tutor-slide-finder-preview img{object-fit:contain;pointer-events:none;background:#fff;width:100%;height:auto;max-height:268px;display:block}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=results] .pdf-tutor-slide-finder-preview,html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=docked] .pdf-tutor-slide-finder-preview{aspect-ratio:16/9;min-height:0;margin-bottom:10px}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=results] .pdf-tutor-slide-finder-preview img,html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=docked] .pdf-tutor-slide-finder-preview img{object-fit:contain;width:100%;height:100%;max-height:none}.pdf-tutor-slide-finder-zoom-backdrop{z-index:calc(var(--z-expanded-media,2147480000) - 2);backdrop-filter:blur(8px);opacity:0;cursor:zoom-out;-webkit-user-select:none;user-select:none;background:#020617a8;transition:opacity .24s;position:fixed;inset:0}.pdf-tutor-slide-finder-zoom-backdrop.is-visible{opacity:1}.pdf-tutor-slide-finder-zoom-image{z-index:calc(var(--z-expanded-media,2147480000) - 1);object-fit:contain;cursor:zoom-out;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;background:#fff;border-radius:10px;display:block;position:fixed;box-shadow:0 28px 90px #02061794}.pdf-tutor-slide-finder-zoom-shell{z-index:calc(var(--z-expanded-media,2147480000) - 1);cursor:default;-webkit-user-select:none;user-select:none;background:#fff;border-radius:10px;display:block;position:fixed;overflow:visible;box-shadow:0 28px 90px #02061794}.pdf-tutor-slide-finder-zoom-shell>.pdf-tutor-slide-finder-zoom-image{z-index:1;border-radius:inherit;width:100%;height:100%;box-shadow:none;cursor:default;pointer-events:none;position:absolute;inset:0}.pdf-tutor-slide-finder-zoom-controls{z-index:6;pointer-events:auto;align-items:center;gap:8px;display:inline-flex;position:absolute;top:-42px;right:0}.pdf-tutor-slide-finder-zoom-ask,.pdf-tutor-slide-finder-zoom-close{border:1px solid var(--btn-border);background:color-mix(in srgb, var(--btn-surface,#0f172aeb) 86%, #ffffff1a 14%);min-height:32px;color:var(--btn-text,#f8fafc);font:inherit;cursor:pointer;border-radius:8px;font-size:.78rem;font-weight:900;box-shadow:0 10px 24px #02061752}.pdf-tutor-slide-finder-zoom-ask{padding:0 12px}.pdf-tutor-slide-finder-zoom-close{text-transform:uppercase;width:32px;padding:0}.pdf-tutor-slide-finder-zoom-ask:hover,.pdf-tutor-slide-finder-zoom-close:hover,.pdf-tutor-slide-finder-zoom-ask:focus-visible,.pdf-tutor-slide-finder-zoom-close:focus-visible,.pdf-tutor-slide-finder-zoom-ask[aria-pressed=true]{border-color:var(--btn-border-strong);background:color-mix(in srgb, var(--g1,#60a5fa) 22%, var(--btn-surface,#0f172aeb) 78%);outline:none}.pdf-tutor-slide-finder-zoom-layer{z-index:3;pointer-events:auto;border-radius:inherit;-webkit-user-select:none;user-select:none;overflow:visible}.pdf-tutor-slide-finder-zoom-shell .pdf-tutor-focus-ask-card,.pdf-tutor-slide-finder-zoom-shell .pdf-tutor-focus-ask-input{-webkit-user-select:text;user-select:text}.pdf-tutor-slide-finder-zoom-layer:before{display:none!important}.pdf-tutor-slide-finder-zoom-shell.is-ask-enabled .pdf-tutor-slide-finder-zoom-layer{cursor:crosshair}.pdf-tutor-slide-finder-zoom-layer .pdf-tutor-expanded-source-quiz-dock{top:14px;right:-34px}.pdf-tutor-slide-finder-zoom-layer .pdf-evidence-selection-hitbox{z-index:92;border:2px solid color-mix(in srgb, var(--g2,#f472b6) 56%, var(--g1,#60a5fa) 44%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 10%, transparent), color-mix(in srgb, var(--g2,#f472b6) 8%, transparent));box-shadow:inset 0 0 0 1px #ffffff24, 0 0 24px color-mix(in srgb, var(--g2,#f472b6) 16%, transparent);transition:opacity .14s,border-color .16s,background .16s,box-shadow .16s}.pdf-tutor-slide-finder-zoom-layer .pdf-evidence-selection-hitbox.is-drawing{z-index:94;pointer-events:none;border-style:dashed}.pdf-tutor-slide-finder-zoom-layer .pdf-evidence-selection-hitbox.has-thread:hover,.pdf-tutor-slide-finder-zoom-layer .pdf-evidence-selection-hitbox.has-thread.is-hovering,.pdf-tutor-slide-finder-zoom-layer .pdf-evidence-selection-hitbox.has-thread:focus-visible{border-style:solid;border-color:color-mix(in srgb, var(--g2,#f472b6) 70%, var(--g1,#60a5fa) 30%);background:color-mix(in srgb, var(--g2,#f472b6) 9%, transparent);box-shadow:inset 0 0 0 1px #ffffff1a, 0 0 20px color-mix(in srgb, var(--g2,#f472b6) 14%, transparent)}.pdf-tutor-slide-finder-zoom-layer .pdf-evidence-selection-hitbox.is-asking{z-index:130;border-style:solid;border-color:color-mix(in srgb, var(--g1,#60a5fa) 76%, #ffffff57 24%);background:color-mix(in srgb, var(--g1,#60a5fa) 12%, transparent);box-shadow:inset 0 0 0 1px #ffffff1f, 0 0 22px color-mix(in srgb, var(--g1,#60a5fa) 16%, transparent)}.pdf-tutor-slide-finder-zoom-layer .pdf-evidence-selection-hitbox .pdf-tutor-focus-action-row,.pdf-tutor-slide-finder-zoom-layer .pdf-evidence-selection-hitbox .pdf-tutor-focus-ask-btn{right:34px}.pdf-tutor-slide-finder-snippet{color:var(--text-muted,#a8b3c7);margin:0 0 12px;font-size:.82rem;line-height:1.5}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=results] .pdf-tutor-slide-finder-snippet,html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=docked] .pdf-tutor-slide-finder-snippet{-webkit-line-clamp:2;-webkit-box-orient:vertical;min-height:3em;margin-bottom:10px;display:-webkit-box;overflow:hidden}.pdf-tutor-slide-finder-meta{flex-wrap:wrap;gap:6px;margin-bottom:12px;display:flex}.pdf-tutor-slide-finder-tag{color:var(--text-muted,#a8b3c7);background:#0f172a94;border-radius:999px;padding:2px 6px;font-size:.66rem;font-weight:800}.pdf-tutor-slide-finder-open{width:100%;min-height:38px;font-size:.84rem;font-weight:900}@media (prefers-reduced-motion:no-preference){html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=results] .pdf-tutor-slide-finder-result{animation:.32s cubic-bezier(.22,1,.36,1) backwards pdf-tutor-slide-finder-card-arrive}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=results] .pdf-tutor-slide-finder-result:nth-child(3n+2){animation-delay:45ms}html:not(.phone-device) .pdf-tutor-slide-finder-panel[data-finder-stage=results] .pdf-tutor-slide-finder-result:nth-child(3n){animation-delay:90ms}}@keyframes pdf-tutor-slide-finder-card-arrive{0%{opacity:0;transform:translateY(12px)scale(.985)}to{opacity:1;transform:translateY(0)scale(1)}}@media (width<=760px){.pdf-tutor-slide-finder-panel{width:auto;height:min(620px, calc(100% - var(--pdf-header-height,42px) - 20px));max-height:calc(100% - var(--pdf-header-height,42px) - 20px);left:10px;right:10px}.pdf-tutor-slide-finder-control{flex-basis:132px;min-width:118px;max-width:152px}#pdf-header .pdf-tutor-header-controls #pdf-tutor-slide-finder-btn{min-width:34px;max-width:34px;padding:0 4px}}@media (width<=980px){#work-area.pdf-tutor-view #ai-header .ai-header-left{justify-content:flex-start}#work-area.pdf-tutor-view #pdf-mini-toolbar{display:none!important}#work-area.pdf-tutor-view #pdf-header .pdf-tutor-header-controls--pdf{gap:4px}#work-area.pdf-tutor-view #ai-header .pdf-tutor-header-controls--ai{justify-content:flex-start}.pdf-tutor-header-group--study{flex:0 180px;max-width:210px}#work-area.pdf-tutor-view.pdf-tutor-slide-finder-hidden #pdf-header .pdf-tutor-header-controls--pdf .pdf-tutor-header-group--study{flex-basis:190px;max-width:220px}.pdf-tutor-slide-finder-control{flex-basis:168px;max-width:188px}.pdf-tutor-slide-jump-control{min-width:126px;max-width:180px}#work-area.pdf-tutor-view:not(.pdf-tutor-slide-finder-hidden) .pdf-tutor-quiz-every-control>span,.pdf-tutor-slide-jump-copy{display:none}}@media (width<=1100px){#work-area.pdf-tutor-view #pdf-title{display:none}}.pdf-tutor-settings-popover{z-index:70;width:min(390px,100vw - 24px);position:absolute;top:calc(100% + 9px);right:0}#pdf-header .pdf-tutor-settings-popover{left:0;right:auto}#pdf-header .pdf-tutor-header-group--actions .pdf-tutor-settings-popover{left:auto;right:0}.pdf-tutor-settings-card{--pdf-tutor-settings-base:color-mix(in srgb, #020617 86%, var(--g1,#60a5fa) 14%);--pdf-tutor-settings-base-strong:color-mix(in srgb, #0f172a 84%, var(--g2,#f472b6) 16%);--pdf-tutor-settings-outline:color-mix(in srgb, var(--btn-theme-border,#334155) 78%, #ffffff29 22%);isolation:isolate;border:1px solid var(--pdf-tutor-settings-outline);background:radial-gradient(130% 150% at 0% 0%, color-mix(in srgb, var(--g1,#60a5fa) 20%, transparent) 0%, transparent 60%), radial-gradient(130% 150% at 100% 0%, color-mix(in srgb, var(--g2,#f472b6) 18%, transparent) 0%, transparent 56%), linear-gradient(180deg, var(--pdf-tutor-settings-base-strong) 0%, var(--pdf-tutor-settings-base) 100%);max-height:min(660px,100vh - 76px);box-shadow:0 20px 52px #020617b8, inset 0 1px 0 #ffffff1a, inset 0 0 0 1px color-mix(in srgb, var(--btn-theme-border,#334155) 16%, transparent);-webkit-backdrop-filter:blur(16px)saturate(1.04);border-radius:8px;gap:10px;padding:13px;display:grid;position:relative;overflow:hidden auto}.pdf-tutor-settings-card::-webkit-scrollbar{width:8px}.pdf-tutor-settings-card::-webkit-scrollbar-thumb{background:color-mix(in srgb, var(--g1,#60a5fa) 34%, #94a3b847 66%);border-radius:999px}.pdf-tutor-settings-popover.is-opening .pdf-tutor-settings-card{animation:.38s cubic-bezier(.19,1,.22,1) both pdf-tutor-settings-soft-open}.pdf-tutor-settings-popover.is-attention-open .pdf-tutor-settings-card{animation:.48s cubic-bezier(.19,1,.22,1) both pdf-tutor-settings-soft-open,2.45s ease-out .18s both pdf-tutor-settings-soft-pulse}@keyframes pdf-tutor-settings-soft-open{0%{opacity:0;filter:blur(2px);transform:translateY(-8px)scale(.985)}62%{opacity:1;filter:blur();transform:translateY(0)scale(1)}to{opacity:1;filter:blur();transform:translateY(0)scale(1)}}@keyframes pdf-tutor-settings-soft-pulse{0%{box-shadow:0 20px 52px #020617b8, inset 0 1px 0 #ffffff1a, inset 0 0 0 1px color-mix(in srgb, var(--btn-theme-border,#334155) 16%, transparent)}38%{box-shadow:0 22px 58px #020617bd, 0 0 0 1px color-mix(in srgb, var(--g1,#60a5fa) 32%, transparent), 0 0 34px color-mix(in srgb, var(--g2,#f472b6) 22%, transparent), inset 0 1px 0 #ffffff1f, inset 0 0 0 1px color-mix(in srgb, var(--btn-theme-border,#334155) 18%, transparent)}to{box-shadow:0 20px 52px #020617b8, inset 0 1px 0 #ffffff1a, inset 0 0 0 1px color-mix(in srgb, var(--btn-theme-border,#334155) 16%, transparent)}}@media (prefers-reduced-motion:reduce){.pdf-tutor-settings-popover.is-opening .pdf-tutor-settings-card,.pdf-tutor-settings-popover.is-attention-open .pdf-tutor-settings-card,.pdf-tutor-mode-menu-shell.is-open .pdf-tutor-mode-menu,.pdf-tutor-mode-menu-shell.is-attention-open .pdf-tutor-mode-menu,.pdf-tutor-mode-menu-shell .pdf-tutor-mode-menu.is-closing{animation:none}.pdf-tutor-mode-menu .pdf-tutor-settings-section,.pdf-tutor-mode-menu .pdf-tutor-settings-section>*{transition-duration:.01ms!important}}.pdf-tutor-settings-head{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.pdf-tutor-settings-title{color:var(--text-main,#f8fafc);font-size:.95rem;font-weight:900}.pdf-tutor-settings-subtitle{color:#94a3b8;margin-top:2px;font-size:.76rem;font-weight:700}.pdf-tutor-settings-section{border:1px solid color-mix(in srgb, var(--pdf-tutor-settings-outline) 72%, #ffffff1a 28%);background:linear-gradient(180deg, color-mix(in srgb, #0f172a94 86%, var(--g1,#60a5fa) 14%) 0%, #02061742 100%);border-radius:8px;gap:8px;padding:10px;display:grid;box-shadow:inset 0 1px #ffffff0d}.pdf-tutor-settings-section--quick{gap:7px}.pdf-tutor-settings-section-title{color:color-mix(in srgb, var(--text-main,#f8fafc) 86%, var(--g1,#60a5fa) 14%);letter-spacing:.08em;text-transform:uppercase;align-items:center;gap:7px;font-size:.68rem;font-weight:950;line-height:1;display:flex}.pdf-tutor-settings-section-title:before{content:"";background:linear-gradient(180deg, var(--g1,#60a5fa), var(--g2,#f472b6));width:3px;height:12px;box-shadow:0 0 8px color-mix(in srgb, var(--g1,#60a5fa) 45%, transparent);border-radius:999px;display:inline-block}.pdf-tutor-settings-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.pdf-tutor-settings-field--wide{grid-column:1/-1}.pdf-tutor-settings-toggle-list{gap:0;display:grid}#pdf-header .pdf-tutor-settings-close,#ai-header .pdf-tutor-settings-close{width:26px;min-width:26px;height:26px;min-height:26px}.pdf-tutor-settings-field{color:#cbd5e1;gap:5px;font-size:.78rem;font-weight:900;display:grid}.pdf-tutor-settings-color-control{border-top:1px solid #94a3b81f;gap:7px;margin:0 -4px;padding:9px 4px;display:grid}.pdf-tutor-settings-color-label{color:var(--text-main,#e2e8f0);font-size:.78rem;font-weight:900}.pdf-tutor-settings-color-actions{grid-template-columns:44px minmax(0,1fr);align-items:center;gap:8px;display:grid}.pdf-tutor-settings-color{border:1px solid color-mix(in srgb, var(--btn-theme-border,#334155) 72%, #ffffff29 28%);background:color-mix(in srgb, var(--btn-surface,#172033) 88%, var(--g1,#60a5fa) 12%);cursor:pointer;border-radius:8px;width:44px;height:32px;padding:3px;transition:border-color .16s,box-shadow .16s}.pdf-tutor-settings-color::-webkit-color-swatch-wrapper{padding:0}.pdf-tutor-settings-color::-webkit-color-swatch{border:0;border-radius:5px}.pdf-tutor-settings-color:hover{border-color:color-mix(in srgb, var(--g1,#60a5fa) 58%, var(--btn-theme-border,#334155) 42%)}.pdf-tutor-settings-color:focus-visible{border-color:color-mix(in srgb, var(--g1,#60a5fa) 64%, var(--g2,#f472b6) 24%);box-shadow:0 0 0 3px color-mix(in srgb, var(--g1,#60a5fa) 18%, transparent);outline:none}.pdf-tutor-settings-color-help{color:var(--btn-text-muted,#a8b3c7);font-size:.7rem;font-weight:700;line-height:1.35}.pdf-tutor-settings-visual-tuning{border-top:1px solid #94a3b81f;gap:8px;margin-top:2px;padding-top:8px;display:grid}.pdf-tutor-settings-visual-tuning>summary{color:color-mix(in srgb, var(--text-main,#e2e8f0) 86%, var(--g1,#60a5fa) 14%);cursor:pointer;justify-content:space-between;align-items:center;gap:8px;font-size:.74rem;font-weight:900;list-style:none;display:flex}.pdf-tutor-settings-visual-tuning>summary::-webkit-details-marker{display:none}.pdf-tutor-settings-visual-tuning>summary:after{content:"+";border:1px solid color-mix(in srgb, var(--btn-theme-border,#334155) 68%, #ffffff1f 32%);width:18px;height:18px;color:var(--btn-text-muted,#a8b3c7);border-radius:50%;place-items:center;font-size:.86rem;line-height:1;display:grid}.pdf-tutor-settings-visual-tuning[open]>summary:after{content:"−"}.pdf-tutor-settings-range-list{gap:9px;display:grid}.pdf-tutor-settings-range{color:var(--text-main,#e2e8f0);cursor:default;gap:5px;display:grid}.pdf-tutor-settings-range-heading{justify-content:space-between;align-items:baseline;gap:10px;font-size:.72rem;font-weight:850;display:flex}.pdf-tutor-settings-range-heading output{min-width:34px;color:var(--sg-structure-text,var(--btn-text-muted,#a8b3c7));font-variant-numeric:tabular-nums;text-align:right}.pdf-tutor-settings-range small{color:var(--btn-text-muted,#a8b3c7);font-size:.66rem;font-weight:700;line-height:1.3}.pdf-tutor-settings-range input[type=range]{width:100%;height:18px;accent-color:var(--g1,#60a5fa);cursor:pointer;margin:0}.pdf-tutor-settings-visual-tuning>.pdf-tutor-mode-menu-action{margin-top:1px}.pdf-tutor-settings-select{border:1px solid color-mix(in srgb, var(--btn-theme-border,#334155) 62%, #ffffff1f 38%);width:100%;min-height:32px;color:var(--text-main,#e2e8f0);background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 4.5L6 8l3.5-3.5' fill='none' stroke='%2394a3b8' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") right 8px center / 12px 12px no-repeat, linear-gradient(180deg, color-mix(in srgb, #111827 88%, var(--g1,#60a5fa) 12%) 0%, color-mix(in srgb, #020617 90%, var(--g2,#f472b6) 10%) 100%);font:inherit;-webkit-appearance:none;appearance:none;cursor:pointer;border-radius:8px;outline:none;padding:6px 26px 6px 9px;font-size:.82rem;font-weight:800;transition:border-color .16s,box-shadow .16s}.pdf-tutor-settings-select:hover{border-color:color-mix(in srgb, var(--g1,#60a5fa) 44%, var(--btn-theme-border,#334155) 56%)}.pdf-tutor-settings-select option{background:color-mix(in srgb, var(--card-bg,#0f172a) 92%, #020617 8%);color:var(--text-main,#e2e8f0);font-weight:800}.pdf-tutor-settings-select option:checked{background:color-mix(in srgb, var(--g1,#60a5fa) 46%, var(--card-bg,#0f172a) 54%);color:var(--text-main,#f8fafc)}.pdf-tutor-settings-select:focus-visible{border-color:color-mix(in srgb, var(--g1,#60a5fa) 58%, var(--g2,#f472b6) 24%);box-shadow:0 0 0 3px #60a5fa29}.pdf-tutor-settings-toggle{color:#dbeafe;cursor:pointer;border-top:1px solid #94a3b81f;border-radius:8px;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:11px;margin:0 -4px;padding:9px 4px;transition:background .14s;display:grid}.pdf-tutor-settings-toggle:hover{background:color-mix(in srgb, var(--g1,#60a5fa) 8%, transparent)}.pdf-tutor-settings-toggle-list .pdf-tutor-settings-toggle:first-child{border-top:0;padding-top:4px}.pdf-tutor-settings-toggle-list .pdf-tutor-settings-toggle:last-child{padding-bottom:4px}.pdf-tutor-settings-toggle input{-webkit-appearance:none;appearance:none;border:1px solid color-mix(in srgb, var(--btn-theme-border,#334155) 74%, #ffffff29 26%);background:color-mix(in srgb, #0b1220 82%, var(--btn-theme-border,#334155) 18%);cursor:pointer;border-radius:999px;outline:none;flex:none;width:34px;height:20px;margin:1px 0 0;transition:background .2s,border-color .2s,box-shadow .2s;position:relative;box-shadow:inset 0 1px 3px #02061799}.pdf-tutor-settings-toggle input:before{content:"";background:linear-gradient(#e2e8f0,#94a3b8);border-radius:999px;width:14px;height:14px;transition:transform .22s cubic-bezier(.34,1.4,.64,1),background .2s;position:absolute;top:50%;left:2px;transform:translateY(-50%);box-shadow:0 1px 3px #0206178c}.pdf-tutor-settings-toggle input:checked{border-color:color-mix(in srgb, var(--g1,#60a5fa) 66%, #ffffff2e 34%);background:linear-gradient(135deg, color-mix(in srgb, var(--g1,#60a5fa) 78%, #0f172a 22%), color-mix(in srgb, var(--g2,#f472b6) 62%, #0f172a 38%));box-shadow:inset 0 1px 2px #0206174d, 0 0 10px color-mix(in srgb, var(--g1,#60a5fa) 30%, transparent)}.pdf-tutor-settings-toggle input:checked:before{background:linear-gradient(#fff,#e2e8f0);transform:translate(14px,-50%)}.pdf-tutor-settings-toggle input:focus-visible{box-shadow:inset 0 1px 3px #02061799, 0 0 0 3px color-mix(in srgb, var(--g1,#60a5fa) 26%, transparent)}.pdf-tutor-settings-toggle span{gap:3px;display:grid}.pdf-tutor-settings-toggle strong{color:var(--text-main,#f8fafc);font-size:.82rem;line-height:1.25}.pdf-tutor-settings-toggle small{color:#9fb0c7;font-size:.72rem;font-weight:700;line-height:1.35}.pdf-tutor-settings-action{border-radius:8px;justify-content:center;width:100%;max-width:none;min-height:34px;font-size:.82rem;font-weight:900}#ai-pane-mode-wrap{flex:auto;align-items:center;gap:6px;min-width:0;max-width:100%;display:none;overflow:hidden}#work-area.trio-view #ai-pane-mode-wrap,#work-area.split-view-ai #ai-pane-mode-wrap{flex:auto;align-items:center;gap:6px;min-width:0;display:inline-flex;overflow:hidden}.ai-pane-mode-actions{flex:none;align-items:center;gap:5px;min-width:0;display:inline-flex}#ai-header button{border-radius:var(--btn-radius-sm);background:var(--btn-surface-soft);border:1px solid var(--btn-border);width:26px;min-width:26px;height:26px;min-height:26px;color:var(--btn-text-muted);cursor:pointer;box-shadow:var(--btn-shadow-soft);justify-content:center;align-items:center;padding:0;font-size:.9rem;transition:background .2s,border-color .2s,color .2s,box-shadow .2s,transform .2s;display:flex}#ai-header button:hover{background:var(--btn-surface-hover);color:var(--btn-text);border-color:var(--btn-border-strong);box-shadow:var(--btn-shadow-hover);transform:translateY(-1px)}#ai-header .ai-pane-mode-btn{color:#cbd5e1;white-space:nowrap;border-radius:9px;width:auto;min-width:0;height:28px;min-height:28px;padding:0 10px;font-size:.74rem;font-weight:800;line-height:1}#ai-header .ai-pane-ask-memora-btn{border-color:color-mix(in srgb, var(--g1,#60a5fa) 36%, #ffffff29);background:linear-gradient(145deg, color-mix(in srgb, var(--g1,#60a5fa) 18%, #0f172a75) 0%, color-mix(in srgb, var(--g2,#f472b6) 14%, #0f172a61) 100%);color:#e0ecff}#ai-header .ai-pane-mode-btn.is-active{border-color:color-mix(in srgb, var(--g2,#f472b6) 46%, #ffffff2e);color:#f8fbff;box-shadow:var(--btn-shadow-hover), 0 0 0 2px color-mix(in srgb, var(--g1,#60a5fa) 12%, transparent)}.ai-pane-mode-btn[hidden],#ai-pane-pdf-expl-btn[hidden]{display:none!important}#ai-header button.disabled,#ai-header button:disabled{opacity:.45;cursor:not-allowed;box-shadow:var(--btn-shadow-soft);transform:none}#ai-title{text-overflow:ellipsis;white-space:nowrap;background-image:var(--g);color:#0000;-webkit-background-clip:text;background-clip:text;max-width:70%;font-size:.8rem;font-weight:600;overflow:hidden}#work-area.trio-view #ai-title,#work-area.split-view-ai #ai-title{max-width:42%}#work-area.trio-view #ai-title,#work-area:is(.split-view-ai,.trio-view,.pdf-tutor-quiz-trio).ai-pane-ask-active #ai-title{display:none}#work-area:is(.split-view-ai,.trio-view,.pdf-tutor-quiz-trio).ai-pane-ask-active #ai-pane-mode-wrap{overflow:visible;display:inline-flex!important}#work-area.split-view-ai.ai-pane-ask-active #ai-pane-mode-wrap>.ask-memora-pane-zoom-controls,#work-area:is(.trio-view,.pdf-tutor-quiz-trio).ai-pane-ask-active #ai-pane-mode-wrap>.ask-memora-pane-zoom-controls{display:inline-flex}#work-area:is(.trio-view,.pdf-tutor-quiz-trio).ai-pane-ask-active #ai-pane-mode-wrap>.ask-memora-pane-zoom-controls>.memora-ask-content-zoom-btn:not(.memora-ai-settings-btn){display:none}#ai-header .ask-memora-pane-zoom-controls .memora-ask-content-zoom-btn{border-radius:999px;width:24px;min-width:24px;height:24px;min-height:24px}#ai-header .ask-memora-pane-zoom-controls .memora-ask-content-zoom-value{width:44px;min-width:44px}#work-area:is(.split-view-ai,.trio-view,.pdf-tutor-quiz-trio).ai-pane-ask-active #ai-header .ai-header-left{overflow:visible}#work-area:is(.split-view-ai,.trio-view,.pdf-tutor-quiz-trio).ai-pane-ask-active #ai-pane-mode-wrap .ai-pane-mode-actions,#work-area:is(.split-view-ai,.trio-view,.pdf-tutor-quiz-trio).ai-pane-ask-active #ai-pane-mode,#work-area:is(.split-view-ai,.trio-view,.pdf-tutor-quiz-trio).ai-pane-ask-active #ai-expl-pdf-select{display:none!important}#ai-pane-mode,#ai-expl-pdf-select{background:color-mix(in srgb, var(--card-bg,#0f172a99) 80%, #1a2028 20%);border:1px solid var(--g1,#60a5fa4d);color:#cbd5e1;min-width:0;max-width:175px;height:28px;min-height:28px;box-shadow:var(--btn-shadow-soft);border-radius:9px;padding:0 10px;font-size:.74rem;font-weight:800;line-height:1}#ai-expl-pdf-select{-ms-overflow-style:none;scrollbar-width:none}#ai-expl-pdf-select::-webkit-scrollbar{width:0;height:0;display:none}#work-area.trio-view #ai-pane-mode,#work-area.split-view-ai #ai-pane-mode{flex:0 140px;max-width:140px}#work-area.trio-view #ai-expl-pdf-select,#work-area.split-view-ai #ai-expl-pdf-select{flex:1 1 0;width:0;min-width:82px;max-width:none}#work-area.trio-view #ai-header .ai-pane-mode-btn{height:28px;min-height:28px;padding:0 10px;font-size:.74rem}#ai-pane-mode:focus,#ai-expl-pdf-select:focus{border-color:var(--g2,#a78bfa);outline:none}@media (width<=860px){#ai-expl-content .ai-expl-reader-header{flex-direction:column;align-items:stretch}#ai-expl-content .ai-expl-reader-status{align-self:flex-start}#ai-expl-content .ai-expl-reader-btn{flex:120px}}#work-area.bordered-mode.trio-view{background:var(--pane-bg-elevated);gap:6px;padding:6px}#work-area.bordered-mode.trio-view #quiz-pane,#work-area.bordered-mode.trio-view #pdf-pane,#work-area.bordered-mode.trio-view #ai-pane{border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 44%);box-shadow:inset 0 0 0 1px #ffffff0a, 0 0 0 1px color-mix(in srgb, var(--g1,#60a5fa) 18%, transparent), 0 0 0 1px color-mix(in srgb, var(--g2,#f472b6) 14%, transparent), 0 10px 24px #00000057;background-clip:padding-box;border-radius:12px;transition:filter 2s,border-color .3s,box-shadow .3s}body.zen-active #ai-pane{display:none!important}html.phone-device #pdf-pane{--pdf-header-height:30px}html.phone-device #pdf-header,html.phone-device #pdf-mini-toolbar{min-height:30px}html.phone-device #pdf-mini-toolbar{scrollbar-width:none;overflow-x:auto}html.phone-device #pdf-mini-toolbar .pdf-mini-btn,html.phone-device #pdf-header .header-buttons>button,html.phone-device #pdf-more-btn{min-width:24px;height:24px;min-height:24px;padding:0 4px;font-size:.62rem}html.phone-device #pdf-header .pdf-header-icon-svg{width:.78rem;height:.78rem}html.phone-device #pdf-title{font-size:.6rem}html.phone-device #pdf-quiz-up-to-control,html.phone-device #pdf-ask-region-btn{display:none!important}html.phone-device #pdfjs-host,html.phone-device #pdfjs-pages{touch-action:pan-x pan-y pinch-zoom}@media (width<=700px){#pdf-pane{--pdf-header-height:48px}#pdf-header,#pdf-mini-toolbar{min-height:48px}#pdf-mini-toolbar{scrollbar-width:none;overflow-x:auto}#pdf-mini-toolbar .pdf-mini-btn,#pdf-header .header-buttons>button,#pdf-more-btn{min-width:40px;height:40px;min-height:40px}#pdfjs-host,#pdfjs-pages{touch-action:pan-x pan-y pinch-zoom}}
/*# sourceMappingURL=layout.css.map */