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.studio-message-attachment-image img,:root[data-theme=dark] .studio-message-attachment:hover{background:var(--color-surface)}:root[data-theme=dark] .studio-inline-progress{border-color:color-mix(in srgb,#dbeafe 35%,var(--color-border));background:var(--color-subtle);color:color-mix(in srgb,#1d4ed8 45%,#fff)}:root[data-theme=dark] .run-progress{border-color:color-mix(in srgb,#dbeafe 35%,var(--color-border));background:var(--color-surface)}:root[data-theme=dark] .run-progress-queue{color:color-mix(in srgb,#1d4ed8 45%,#fff)}:root[data-theme=dark] .run-stage{color:var(--color-muted)}:root[data-theme=dark] .run-stage-mark{border-color:var(--color-border);background:var(--color-surface)}:root[data-theme=dark] .run-stage-done{color:color-mix(in srgb,#15803d 45%,#fff)}:root[data-theme=dark] .run-stage-active{color:color-mix(in srgb,#1d4ed8 45%,#fff)}:root[data-theme=dark] .run-stage-attention{color:color-mix(in srgb,#a16207 45%,#fff)}:root[data-theme=dark] .run-stage-attention .run-stage-mark{background:color-mix(in srgb,#fef3c7 14%,var(--color-surface))}:root[data-theme=dark] .run-stage-failed{color:color-mix(in srgb,#b91c1c 45%,#fff)}:root[data-theme=dark] .run-stage-failed .run-stage-mark{background:color-mix(in srgb,#fee2e2 14%,var(--color-surface))}:root[data-theme=dark] .run-stage-detail small{color:var(--color-muted)}:root[data-theme=dark] .run-stage-bar{background:color-mix(in srgb,#dbeafe 14%,var(--color-surface))}:root[data-theme=dark] .run-previews-label,:root[data-theme=dark] .run-progress-meta{color:var(--color-muted)}:root[data-theme=dark] .run-previews img{border-color:var(--color-border);background:var(--color-surface)}:root[data-theme=dark] .run-failure-stage{color:color-mix(in srgb,#b91c1c 45%,#fff)}:root[data-theme=dark] .run-refund,:root[data-theme=dark] .run-retry small,:root[data-theme=dark] .run-retry-hint{color:var(--color-muted)}:root[data-theme=dark] .studio-composer{border-color:var(--color-border);background:var(--color-surface)}:root[data-theme=dark] .studio-course-confirm,:root[data-theme=dark] .studio-source-dropzone-active{background:var(--color-subtle)}:root[data-theme=dark] .studio-source-button{border-color:var(--color-border);background:var(--color-surface);color:var(--color-text)}:root[data-theme=dark] .studio-source-button:hover:not(:disabled){border-color:color-mix(in srgb,#93c5fd 35%,var(--color-border));background:var(--color-surface);color:color-mix(in srgb,#1d4ed8 45%,#fff)}:root[data-theme=dark] .studio-source-url{color:var(--color-muted)}:root[data-theme=dark] .studio-source-url button,:root[data-theme=dark] .studio-source-url input{border-color:var(--color-border);background:var(--color-surface)}:root[data-theme=dark] .studio-source-url button{color:var(--color-text)}:root[data-theme=dark] .studio-source-url-help{color:var(--color-muted)}:root[data-theme=dark] .studio-source-link{color:color-mix(in srgb,#1d4ed8 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.studio-source-uploading{border-color:color-mix(in srgb,#bfdbfe 35%,var(--color-border));background:var(--color-subtle);color:color-mix(in srgb,#1d4ed8 45%,#fff)}:root[data-theme=dark] .studio-source-upload-failed{border-color:color-mix(in srgb,#fecaca 35%,var(--color-border));background:var(--color-subtle);color:color-mix(in srgb,#b91c1c 45%,#fff)}:root[data-theme=dark] .studio-settings{border-top-color:var(--color-border)}:root[data-theme=dark] .studio-settings-grid select{border-color:var(--color-border);background:var(--color-surface)}:root[data-theme=dark] .studio-settings-grid select:disabled{background:var(--color-subtle)}:root[data-theme=dark] .recipe-render-requirement{background:var(--color-surface);color:var(--color-muted)}:root[data-theme=dark] .recipe-render-requirement a{color:color-mix(in srgb,#1d4ed8 45%,#fff)}:root[data-theme=dark] .recipe-render-purchase{border-color:color-mix(in srgb,#fed7aa 35%,var(--color-border));background:var(--color-subtle);color:color-mix(in 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.short-style-option-copy strong{color:var(--color-text)}:root[data-theme=dark] .short-style-option-heading>span{background:var(--color-subtle);color:var(--color-muted)}:root[data-theme=dark] .short-style-option-copy small{color:var(--color-muted)}:root[data-theme=dark] .short-style-option-state{background:var(--color-subtle);color:color-mix(in srgb,#6d28d9 45%,#fff)}:root[data-theme=dark] .short-mode-picker legend{color:var(--color-muted)}:root[data-theme=dark] .short-mode-picker button{border-color:var(--color-border);background:var(--color-surface);color:var(--color-muted)}:root[data-theme=dark] .short-mode-picker button.active{background:var(--color-subtle);color:color-mix(in srgb,#6d28d9 45%,#fff)}:root[data-theme=dark] .short-mode-picker p{color:var(--color-muted)}:root[data-theme=dark] .studio-inspector{border-left-color:var(--color-border);background:var(--color-surface)}:root[data-theme=dark] .studio-inspector-header{border-bottom-color:var(--color-border);background:var(--color-surface)}:root[data-theme=dark] .studio-inspector-section{border-color:var(--color-border);background:var(--color-surface)}:root[data-theme=dark] .shorts-studio-inspector{background:var(--color-subtle)}:root[data-theme=dark] .shorts-studio-inspector .studio-inspector-header{background:linear-gradient(135deg,var(--color-surface) 0,var(--color-subtle) 100%)}:root[data-theme=dark] .shorts-studio-setup{border-color:var(--color-border)}:root[data-theme=dark] .shorts-studio-format{background:var(--color-subtle);color:color-mix(in srgb,#6b347e 45%,#fff)}:root[data-theme=dark] .shorts-studio-facts div{background:var(--color-subtle)}:root[data-theme=dark] .shorts-studio-facts dt{color:var(--color-muted)}:root[data-theme=dark] .shorts-studio-facts dd{color:var(--color-text)}:root[data-theme=dark] .shorts-studio-preview-empty{border-color:var(--color-border);background:var(--color-surface)}:root[data-theme=dark] .shorts-studio-preview-empty strong{color:var(--color-text)}:root[data-theme=dark] .shorts-studio-preview-empty p{color:var(--color-muted)}:root[data-theme=dark] .studio-save-confirmation{color:color-mix(in srgb,#15803d 45%,#fff)}:root[data-theme=dark] .studio-project-form label{color:var(--color-muted)}:root[data-theme=dark] .studio-project-form input,:root[data-theme=dark] .studio-project-form textarea{border-color:var(--color-border);background:var(--color-surface)}:root[data-theme=dark] .studio-archive-button{color:color-mix(in srgb,#9f1239 45%,#fff)}:root[data-theme=dark] .studio-brand-preview{border-color:var(--color-border)}:root[data-theme=dark] .studio-brand-controls label,:root[data-theme=dark] .studio-brand-create label{color:var(--color-muted)}:root[data-theme=dark] .studio-brand-controls select,:root[data-theme=dark] .studio-brand-create input{border-color:var(--color-border);background:var(--color-surface)}:root[data-theme=dark] .studio-brand-controls select:disabled{background:var(--color-subtle);color:var(--color-muted)}:root[data-theme=dark] .studio-brand-note{color:var(--color-muted)}:root[data-theme=dark] .studio-brand-warning{color:color-mix(in srgb,#9a3412 45%,#fff)}:root[data-theme=dark] .studio-brand-create{border-top-color:var(--color-border)}:root[data-theme=dark] .studio-brand-create summary{color:color-mix(in srgb,#1d4ed8 45%,#fff)}:root[data-theme=dark] .studio-brand-file>span:nth-child(2),:root[data-theme=dark] .studio-project-source-summary li{background:var(--color-surface);color:var(--color-text)}:root[data-theme=dark] .studio-version-list li{border-top-color:var(--color-border)}:root[data-theme=dark] .studio-version-list strong{color:var(--color-text)}:root[data-theme=dark] .studio-version-list li>div span{background:var(--color-subtle);color:var(--color-muted)}:root[data-theme=dark] .studio-version-list a{color:color-mix(in srgb,#1d4ed8 45%,#fff)}:root[data-theme=dark] .studio-inspector-progress{background:var(--color-subtle);color:color-mix(in srgb,#1d4ed8 45%,#fff)}:root[data-theme=dark] .studio-inspector-review{background:var(--color-surface);color:color-mix(in srgb,#a16207 45%,#fff)}:root[data-theme=dark] .studio-preview-placeholder{border-color:var(--color-border)}:root[data-theme=dark] .checkpoint-header{border-bottom-color:var(--color-border)}:root[data-theme=dark] .checkpoint-header span{color:var(--color-muted)}:root[data-theme=dark] .checkpoint-header h4{color:var(--color-text)}:root[data-theme=dark] .checkpoint-header .checkpoint-cost{color:color-mix(in srgb,#0f766e 45%,#fff)}:root[data-theme=dark] .checkpoint-lane{background:var(--color-subtle);color:color-mix(in srgb,#6b347e 45%,#fff)}:root[data-theme=dark] .checkpoint-short-entitlement{border-color:var(--color-border);background:var(--color-subtle)}:root[data-theme=dark] .checkpoint-short-entitlement>div{color:var(--color-muted)}:root[data-theme=dark] .checkpoint-short-entitlement strong{color:color-mix(in srgb,#462351 45%,#fff)}:root[data-theme=dark] .checkpoint-short-entitlement p,:root[data-theme=dark] .checkpoint-short-entitlement small{color:var(--color-muted)}:root[data-theme=dark] .checkpoint-short-meta strong{color:var(--color-text)}:root[data-theme=dark] .checkpoint-short-meta span{background:var(--color-subtle);color:var(--color-muted)}:root[data-theme=dark] .checkpoint-scene-list>article,:root[data-theme=dark] .checkpoint-short-beats>article{border-color:var(--color-border);background:var(--color-surface)}:root[data-theme=dark] .checkpoint-short-beats article>header>span{background:var(--color-subtle);color:color-mix(in srgb,#6b347e 45%,#fff)}:root[data-theme=dark] .checkpoint-scene-list article>header strong,:root[data-theme=dark] .checkpoint-short-beats article>header strong{color:var(--color-text)}:root[data-theme=dark] .checkpoint-scene-list article>header span,:root[data-theme=dark] .checkpoint-scene-list label,:root[data-theme=dark] .checkpoint-short-beats article>header small,:root[data-theme=dark] .checkpoint-short-beats label{color:var(--color-muted)}:root[data-theme=dark] .checkpoint-scene-list textarea,:root[data-theme=dark] .checkpoint-short-beats textarea{border-color:var(--color-border);background:var(--color-surface);color:var(--color-text)}:root[data-theme=dark] .checkpoint-scene-list textarea[readonly],:root[data-theme=dark] .checkpoint-short-beats textarea[readonly]{background:var(--color-subtle);color:var(--color-muted)}:root[data-theme=dark] .checkpoint-scene-intro{color:var(--color-muted)}:root[data-theme=dark] .checkpoint-t2v-warning{border-color:color-mix(in srgb,#f1d595 35%,var(--color-border));background:var(--color-subtle);color:color-mix(in srgb,#8a5a09 45%,#fff)}:root[data-theme=dark] .checkpoint-slide-edit h5,:root[data-theme=dark] .checkpoint-subsection h5{color:var(--color-text)}:root[data-theme=dark] .checkpoint-toc-row{border-color:var(--color-border);background:var(--color-surface)}:root[data-theme=dark] .checkpoint-toc-row strong{color:var(--color-text)}:root[data-theme=dark] .checkpoint-toc-row label>span,:root[data-theme=dark] .checkpoint-toc-row span{color:var(--color-muted)}:root[data-theme=dark] .checkpoint-figure-card select,:root[data-theme=dark] .checkpoint-slide-edit input,:root[data-theme=dark] .checkpoint-slide-edit textarea,:root[data-theme=dark] .checkpoint-toc-row select,:root[data-theme=dark] .checkpoint-unplaced select{border-color:var(--color-border);background:var(--color-surface);color:var(--color-text)}:root[data-theme=dark] .checkpoint-figure-card{border-color:var(--color-border)}:root[data-theme=dark] .checkpoint-figure-thumb,:root[data-theme=dark] .checkpoint-figure-thumb-error{background:var(--color-subtle)}:root[data-theme=dark] .checkpoint-figure-fallback{color:color-mix(in srgb,#9f3a3a 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45%,#fff)}:root[data-theme=dark] .checkpoint-fallback p{color:var(--color-muted)}:root[data-theme=dark] .checkpoint-capability-note{background:var(--color-surface);color:var(--color-muted)}:root[data-theme=dark] .studio-settings-grid label.short-review-toggle{border-color:var(--color-border);background:var(--color-subtle)}:root[data-theme=dark] .short-review-toggle strong{color:var(--color-text)}:root[data-theme=dark] .short-review-toggle small{color:var(--color-muted)}:root[data-theme=dark] .checkpoint-short-overview{border-color:var(--color-border);background:var(--color-surface)}:root[data-theme=dark] .checkpoint-short-overview>label,:root[data-theme=dark] .checkpoint-visual-editor label{color:var(--color-muted)}:root[data-theme=dark] .checkpoint-short-overview input,:root[data-theme=dark] .checkpoint-short-overview select,:root[data-theme=dark] .checkpoint-visual-editor input,:root[data-theme=dark] .checkpoint-visual-editor select,:root[data-theme=dark] .checkpoint-visual-editor textarea{border-color:var(--color-border);background:var(--color-surface);color:var(--color-text)}:root[data-theme=dark] .checkpoint-beat-order button{border-color:var(--color-border);background:var(--color-surface);color:var(--color-muted)}:root[data-theme=dark] .checkpoint-beat-order button.danger{color:color-mix(in srgb,#a13c50 45%,#fff)}:root[data-theme=dark] .checkpoint-visual-editor{background:var(--color-subtle)}:root[data-theme=dark] .checkpoint-field-error{color:color-mix(in srgb,#a13c50 45%,#fff)}:root[data-theme=dark] .checkpoint-claims ul{color:var(--color-muted)}:root[data-theme=dark] .checkpoint-scene-list label em{color:color-mix(in srgb,#8a6b25 45%,#fff)}:root[data-theme=dark] .checkpoint-candidate-grid button{background:var(--color-subtle);color:var(--color-text)}:root[data-theme=dark] .checkpoint-qc-row small{background:var(--color-subtle);color:var(--color-muted)}:root[data-theme=dark] .checkpoint-qc-row small.qc-pass{background:color-mix(in srgb,#dcfce7 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select{flex:1 1;min-width:0;font:inherit;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:6px;padding:4px 6px}.tutor-target{font-size:12px;background:var(--tutor-accent-soft);border-left:3px solid var(--color-primary);border-radius:0 6px 6px 0;padding:6px 8px}.tutor-target b{display:block;color:var(--color-text)}.tutor-target p{margin:2px 0 4px;color:var(--color-text);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.tutor-target-foot{display:flex;align-items:baseline;justify-content:space-between;gap:8px;color:var(--color-muted)}.tutor-target-foot .tutor-linkish{flex:none}#module-reading .tutor-section-ask{display:block;margin:-.35em 0 .75em;padding:2px 0;border:0;background:none;font:inherit;font-size:.8em;color:var(--color-muted);text-decoration:underline;text-underline-offset:2px;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}#module-reading .tutor-section-ask:focus-visible,#module-reading .tutor-section-ask:hover{color:var(--color-primary)}.tutor-section-mark{position:absolute;width:3px;border-radius:2px;background:var(--color-primary);pointer-events:none}@media print{#module-reading .tutor-section-ask,.tutor-section-mark{display:none}}.tutor-ask{display:flex;gap:6px}.tutor-ask input{flex:1 1;min-width:0;border:1px solid var(--color-border);border-radius:6px;padding:6px 10px;background:var(--color-bg)}.tutor-keep-note{font-size:11.5px}.tutor-divider{border-top:1px solid var(--color-border);padding-top:8px;display:flex;gap:4px;flex-wrap:wrap}.tutor-divider .tutor-btn{font-size:12px;padding:3px 8px}.tutor-report{border:1px solid var(--color-border);border-radius:6px;padding:10px;display:grid;grid-gap:8px;gap:8px;font-size:13px;background:var(--color-subtle)}.tutor-kinds{display:flex;gap:12px;flex-wrap:wrap}.tutor-report textarea{width:100%;min-height:56px;border:1px solid var(--color-border);border-radius:6px;padding:6px 8px;background:var(--color-surface);resize:vertical}.tutor-row{display:flex;gap:8px;flex-wrap:wrap}.tutor-row.is-end{justify-content:flex-end}.tutor-hintchip{display:inline-flex;align-items:center;gap:2px;border:1px solid var(--color-border);border-radius:999px;background:var(--color-surface);font-size:12px;padding-right:8px;box-shadow:var(--tutor-shadow)}.tutor-hintchip button:not(.tutor-linkish){border:0;background:transparent;padding:4px 9px;border-radius:999px;color:var(--color-primary);cursor:pointer}.tutor-hintchip button.is-x{color:var(--color-muted);padding:4px 6px 4px 2px}.tutor-gate{flex:1 1;display:grid;align-content:center;justify-items:start;grid-gap:10px;gap:10px;padding:24px 20px;font-size:13.5px}.tutor-gate h3{margin:0;font-size:16px}.tutor-gate p{max-width:40ch}.tutor-gate p,.tutor-gate ul{margin:0;color:var(--color-muted)}.tutor-gate ul{padding-left:18px;display:grid;grid-gap:4px;gap:4px}.tutor-gate a:not(.tutor-btn){color:var(--color-primary);text-decoration:underline}.tutor-drawer{position:absolute;inset:0;z-index:2;background:var(--color-surface);display:flex;flex-direction:column}.tutor-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--color-border)}.tutor-drawer-body{flex:1 1;overflow:auto;padding:14px;display:grid;align-content:start;grid-gap:18px;gap:18px;font-size:13px}.tutor-drawer-body h5{margin:0 0 6px;font:500 11px var(--tutor-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--color-muted)}.tutor-kv{display:grid;grid-template-columns:76px minmax(0,1fr);grid-gap:4px 10px;gap:4px 10px;margin:0}.tutor-kv dt{color:var(--color-muted)}.tutor-kv dd{margin:0}.tutor-convs{list-style:none;margin:0;padding:0;display:grid;grid-gap:6px;gap:6px}.tutor-convs li{display:flex;gap:8px;align-items:center;border:1px solid var(--color-border);border-radius:6px;padding:7px 10px}.tutor-convs li.is-current{border-color:var(--color-primary)}.tutor-conv-main{flex:1 1;min-width:0;display:grid}.tutor-conv-main strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tutor-conv-main span{color:var(--color-muted);font-size:12px}.tutor-kept{background:var(--color-subtle);border-radius:6px;padding:10px 12px;margin:0}.tutor-toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--color-text);color:var(--color-bg);padding:7px 14px;border-radius:6px;font-size:13px;z-index:60;max-width:calc(100vw - 32px)}@media (max-width:860px){.tutor-panel.is-sheet{top:auto;left:0;right:0;width:auto;height:calc(56px + env(safe-area-inset-bottom, 0px));border-left:0;border-top:1px solid var(--color-border);border-radius:12px 12px 0 0;padding-bottom:env(safe-area-inset-bottom,0);transition:height .25s}.tutor-panel.is-sheet.is-open{height:86dvh}.tutor-panel.is-sheet .tutor-head{min-height:55px}.tutor-panel.is-sheet.is-open .tutor-head{flex-wrap:wrap;row-gap:2px}.tutor-panel.is-sheet.is-open .tutor-title{flex-grow:1;flex-shrink:1;flex-basis:calc(100% - 6rem)}.tutor-panel.is-sheet.is-open .tutor-head>:not(.tutor-title,.tutor-toggle){order:1}.tutor-panel.is-sheet .tutor-toggle{min-height:40px;padding-inline:14px}.tutor-panel.is-sheet .tutor-drawer{border-radius:12px 12px 0 0}:root[data-tutor-mounted=true] .course-lab-page,:root[data-tutor-mounted=true] .module-page{padding-bottom:64px}.tutor-toast{bottom:72px}}@media (prefers-reduced-motion:reduce){.tutor-flash,.tutor-panel,.tutor-switch,.tutor-switch:after{transition:none}}.tutor-launcher-wrap label,.tutor-panel label{display:inline-flex;flex-direction:row;align-items:center;gap:6px;font-weight:400}.tutor-panel input[type=checkbox],.tutor-panel input[type=radio]{width:auto;padding:0;margin:0}.tutor-launcher-wrap button:not(.tutor-launcher):hover,.tutor-panel button:not(.tutor-btn):hover{background:transparent}.tutor-panel .tutor-cite:hover{background:var(--tutor-accent-soft)}.tutor-launcher-wrap .tutor-hintchip button:not(.tutor-linkish):hover,.tutor-panel .tutor-hintchip button:not(.tutor-linkish):hover,.tutor-panel .tutor-reasons button:not(.tutor-linkish):hover,.tutor-panel .tutor-suggest button:hover{background:var(--color-subtle)}.tutor-panel .tutor-btn:disabled:hover{background:var(--color-surface)}.tutor-panel .tutor-btn.is-primary:disabled:hover{background:var(--color-primary)}.tutor-trail{margin-top:12px}.tutor-trail h6{margin:0 0 4px;font-size:12px;font-weight:600}.tutor-trail ol{margin:0;padding-left:18px;font-size:12px;color:var(--color-muted);display:grid;grid-gap:2px;gap:2px}.tutor-trail details{margin-top:4px;font-size:12px}.tutor-locked-lab a{white-space:nowrap}