#theme-modal{background:radial-gradient(130% 150% at 0% 0%, color-mix(in srgb, var(--g1,#60a5fa) 16%, transparent) 0%, transparent 62%), radial-gradient(130% 150% at 100% 0%, color-mix(in srgb, var(--g2,#f472b6) 14%, transparent) 0%, transparent 56%), linear-gradient(180deg, color-mix(in srgb, var(--card-bg,#0f172a) 50%, transparent 50%) 0%, color-mix(in srgb, var(--card-bg,#0f172a) 34%, transparent 66%) 62%, transparent 100%);-webkit-backdrop-filter:blur(13px)saturate(104%);border:1px solid color-mix(in srgb, var(--g1,#60a5fa) 14%, color-mix(in srgb, var(--btn-theme-border,#334155) 54%, #ffffff24 46%) 86%);z-index:13000;opacity:0;transform-origin:top;border-radius:16px;width:min(560px,100vw - 32px);max-width:100%;max-height:calc(100vh - 40px);transition:transform .24s,opacity .2s;display:none;position:fixed;top:24px;left:50%;overflow:hidden;transform:translate(-50%)scale(.94)translateY(-10px);box-shadow:inset 0 1px #ffffff14,0 8px 14px #0206171a,0 14px 24px #02061712}#theme-modal.active{opacity:1;display:flex;transform:translate(-50%)scale(1)translateY(0)}.theme-modal-content{-webkit-backdrop-filter:none;opacity:1;-ms-overflow-style:none;scrollbar-width:none;background:0 0;border:0;border-radius:0;flex-direction:column;gap:12px;width:100%;max-height:100%;padding:1.25rem 1.25rem 1rem;transition:none;display:flex;position:relative;top:auto;left:auto;overflow:hidden auto;transform:none}.theme-modal-content:before{content:none}.theme-modal-content>*{z-index:1;position:relative}.theme-modal-header{z-index:2;-webkit-backdrop-filter:none;background:0 0;border-bottom:none;justify-content:space-between;align-items:center;gap:12px;padding:0;display:flex;position:relative;top:auto;margin:0 0 4px!important}.theme-modal-title{margin:0;font-size:clamp(1.5rem,2.3vw,1.95rem);line-height:1}.theme-close-btn{flex:none}.theme-modal-content::-webkit-scrollbar{display:none}.theme-section{border-bottom:1px solid color-mix(in srgb, var(--quiz-gen-outline,#334155) 72%, transparent 28%);margin-bottom:0;padding:12px 0 14px}.theme-section:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.theme-label{text-transform:uppercase;color:#9eacbf;letter-spacing:.06em;margin-bottom:10px;font-size:.85rem;font-weight:700;display:block}.theme-subpanel-trigger{width:100%}.theme-subpanel{border:1px solid color-mix(in srgb, var(--quiz-gen-outline,#334155) 76%, transparent 24%);background:linear-gradient(180deg, color-mix(in srgb, var(--quiz-gen-surface-base,#0f172ab8) 42%, transparent 58%) 0%, color-mix(in srgb, var(--quiz-gen-surface-base,#0f172a99) 26%, transparent 74%) 100%);border-radius:14px;gap:10px;padding:12px;display:grid}.theme-subpanel[hidden]{display:none!important}.theme-slider-row{gap:6px;display:grid}.theme-slider-row label{color:#cbd5e1;font-size:.84rem;font-weight:600}.theme-slider-control{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;display:grid}.theme-slider-control input[type=range]{width:100%;accent-color:color-mix(in srgb, var(--g1,#60a5fa) 56%, var(--g2,#f472b6) 44%)}.theme-slider-control span{text-align:right;color:#cbd5e1;min-width:48px;font-size:.8rem;font-weight:700}.theme-subpanel-reset{justify-content:center;width:100%}.gradient-grid{grid-template-columns:repeat(5,1fr);gap:8px;margin:12px 0 0;display:grid}.theme-collapse{border:1px solid color-mix(in srgb, var(--quiz-gen-outline,#334155) 76%, transparent 24%);background:linear-gradient(180deg, color-mix(in srgb, var(--quiz-gen-surface-base,#0f172ab3) 34%, transparent 66%) 0%, color-mix(in srgb, var(--quiz-gen-surface-base,#0f172aa3) 18%, transparent 82%) 100%);border-radius:14px;margin-bottom:10px;overflow:hidden}.theme-collapse summary{min-height:42px;color:var(--btn-text,#e2e8f0);cursor:pointer;justify-content:space-between;align-items:center;gap:12px;padding:9px 12px;font-size:.9rem;font-weight:700;list-style:none;display:flex}.theme-collapse summary::-webkit-details-marker{display:none}.theme-collapse summary:after{content:"+";color:#94a3b8;border:1px solid color-mix(in srgb, var(--quiz-gen-outline,#334155) 76%, transparent 24%);border-radius:999px;flex:none;place-items:center;width:22px;height:22px;display:inline-grid}.theme-collapse[open] summary:after{content:"-"}.theme-collapse summary span:last-child{color:#94a3b8;margin-left:auto;font-size:.78rem;font-weight:700}.theme-collapse .gradient-grid{filter:saturate(var(--theme-gradient-saturation,1));padding:0 12px 12px}.theme-intensity-row{margin:10px 0 12px}.grad-swatch{cursor:pointer;border:2px solid #0000;border-radius:10px;height:38px;transition:transform .2s,border-color .2s,box-shadow .2s;box-shadow:inset 0 1px #ffffff1a,0 7px 14px #02061724}.grad-swatch:hover{transform:translateY(-1px)}.grad-swatch.active{border-color:#fff;box-shadow:0 0 0 1px #fff3,0 0 14px #ffffff1f}.color-row{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;margin-bottom:12px;display:grid}.color-row span{color:#cbd5e1;font-size:.9rem;font-weight:600}.color-picker-shell{box-shadow:none;background:0 0;border:0;align-items:center;gap:10px;padding:0;display:inline-flex}.color-picker-popover{align-items:center;display:inline-flex;position:static}.theme-transparent-btn{-webkit-appearance:none;appearance:none;cursor:pointer;border:1px solid color-mix(in srgb, var(--quiz-gen-outline,#334155) 66%, #ffffff38 34%);background:conic-gradient(from 90deg,#fffffff5 0deg 90deg,#94a3b8c7 90deg 180deg,#fffffff5 180deg 270deg,#94a3b8c7 270deg 360deg) 50%/14px 14px;border-radius:50%;flex:0 0 46px;justify-content:center;align-items:center;width:46px;min-width:46px;height:46px;padding:0;line-height:1;transition:border-color .18s,box-shadow .18s,transform .18s;display:inline-flex;overflow:hidden;box-shadow:inset 0 0 0 1px #fff3,0 6px 16px #0206172e}.theme-transparent-btn:hover{border-color:color-mix(in srgb, var(--g1,#60a5fa) 28%, var(--quiz-gen-outline,#334155) 72%);transform:translateY(-1px);box-shadow:inset 0 0 0 1px #ffffff3d,0 10px 20px #02061738}.theme-transparent-btn.active{border-color:var(--btn-theme-border,#60a5fa);box-shadow:0 0 0 1px color-mix(in srgb, var(--g1,#60a5fa) 34%, transparent), 0 0 18px color-mix(in srgb, var(--g2,#f472b6) 18%, transparent), inset 0 0 0 1px #ffffff3d}.custom-grad-row{background:linear-gradient(180deg, color-mix(in srgb, var(--quiz-gen-surface-base,#0f172ab3) 38%, transparent 62%) 0%, color-mix(in srgb, var(--quiz-gen-surface-base,#0f172aa3) 20%, transparent 80%) 100%);border:1px solid color-mix(in srgb, var(--quiz-gen-outline,#334155) 76%, transparent 24%);border-radius:14px;gap:12px;padding:10px 12px;display:grid}.custom-grad-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.theme-segmented{border:1px solid color-mix(in srgb, var(--quiz-gen-outline,#334155) 76%, transparent 24%);background:color-mix(in srgb, var(--card-bg,#0f172ab8) 72%, transparent 28%);border-radius:999px;grid-template-columns:repeat(3,minmax(32px,1fr));gap:4px;padding:3px;display:inline-grid}.theme-segmented button{appearance:none;color:#94a3b8;min-width:32px;min-height:28px;font:inherit;cursor:pointer;background:0 0;border:0;border-radius:999px;font-size:.78rem;font-weight:800}.theme-segmented button.active{color:#f8fafc;background:color-mix(in srgb, var(--g1,#60a5fa) 46%, var(--g2,#f472b6) 54%);box-shadow:0 6px 14px #0206172e}.custom-grad-pickers{grid-template-columns:repeat(auto-fit,minmax(92px,1fr));gap:10px;display:grid}.custom-color-field{color:#94a3b8;justify-items:center;gap:6px;min-width:0;font-size:.76rem;font-weight:700;display:grid}.custom-color-field[hidden]{display:none!important}.theme-modal-content input[type=color]{border:1px solid color-mix(in srgb, var(--quiz-gen-outline,#334155) 76%, transparent 24%);cursor:pointer;background:0 0;border-radius:999px;block-size:46px;inline-size:46px;padding:0;box-shadow:inset 0 1px #ffffff14}.theme-modal-content input[type=color]::-webkit-color-swatch-wrapper{padding:0}.theme-modal-content input[type=color]::-webkit-color-swatch{border:none;border-radius:999px}.theme-modal-content input[type=color]::-moz-color-swatch{border:none;border-radius:999px}@media (width<=640px){#theme-modal{width:min(100%,100vw - 20px);max-height:calc(100vh - 26px);top:16px}.theme-modal-content{padding:1rem 1rem .9rem}.theme-modal-header{padding:0;margin:0 0 4px!important}.gradient-grid{grid-template-columns:repeat(3,1fr)}.color-row{grid-template-columns:1fr;gap:8px}.color-picker-shell{justify-content:flex-end;width:auto}}.custom-grad-label{color:#cbd5e1;font-size:.85rem}.theme-control-stack{gap:10px;display:grid}.theme-field-label{color:#94a3b8;letter-spacing:.03em;margin:0 0 -2px;font-size:.8rem;font-weight:700;display:block}.theme-select-control{width:100%}.theme-mode-toggle{text-align:left;justify-content:space-between;align-items:center;width:100%;min-height:42px;margin-top:8px;display:flex!important}.theme-control-stack .theme-mode-toggle{margin-top:0}.theme-mode-toggle span:first-child{overflow-wrap:anywhere;min-width:0}.theme-mode-toggle span:last-child{color:#94a3b8;flex:none;margin-left:auto;font-weight:800}body.dark-mode-active{--bg:#0f172a;--bd:color-mix(in srgb, var(--g1,#60a5fa) 22%, #ffffff29 78%);--card-bg:#0f172adb;--text-main:#e2e8f0;--quiz-card-bg:var(--custom-quiz-card-bg,#0f172a);--text-q:var(--custom-text-q,#f8fafc);--text-a:var(--custom-text-a,#e2e8f0);--choice-bg:var(--custom-choice-bg,#7dd3fc0a);--pane-bg:transparent;--pane-bg-elevated:#0f172a59;background:radial-gradient(circle at 14% 16%, color-mix(in srgb, var(--g1,#60a5fa) 18%, transparent) 0%, transparent 30%), radial-gradient(circle at 86% 14%, color-mix(in srgb, var(--g2,#f472b6) 16%, transparent) 0%, transparent 32%), linear-gradient(164deg, #030711 0%, #09182b 52%, #140719 100%)!important}body.dark-mode-active.pdf-tutor-transcript-open #work-area.pdf-tutor-view #ai-pane{background:#0206177a!important}body.dark-mode-active #quiz-card{box-shadow:0 20px 60px #000000bf!important}body.dark-mode-active #quiz-card:before,body.dark-mode-active #quiz-card:after{opacity:0}#reset-theme-btn{width:100%;color:color-mix(in srgb, #fca5a5 72%, var(--btn-text,#e2e8f0) 28%);border-color:color-mix(in srgb, #ef4444 44%, var(--btn-border,#94a3b847) 56%);background:color-mix(in srgb, #ef4444 10%, var(--btn-surface-soft,#0f172a9e) 90%);border-radius:var(--btn-radius-md,12px);box-shadow:var(--btn-shadow-soft,0 6px 18px #02061729);margin-top:15px;padding:10px;font-size:.9rem}#reset-theme-btn:hover{background:color-mix(in srgb, #ef4444 16%, var(--btn-surface-hover,#ffffff14) 84%);border-color:color-mix(in srgb, #ef4444 66%, var(--btn-border-strong,#60a5fa) 34%);box-shadow:var(--btn-shadow-hover,0 14px 30px #02061742)}
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