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format("woff2");font-weight:400 700;font-style:italic;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{color-scheme:light;--font-text: "Instrument Sans", system-ui, -apple-system, sans-serif;--font-display: var(--font-text);--font-mono: "Spline Sans Mono", ui-monospace, "Cascadia Mono", monospace;--font-reading: "Newsreader", "Iowan Old Style", Georgia, serif;--text-xs: .75rem;--text-sm: .8125rem;--text-base: .875rem;--text-md: .9375rem;--text-lg: 1.125rem;--text-xl: 1.375rem;--text-2xl: 1.75rem;--text-3xl: 2.25rem;--text-4xl: 3rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-7: 3rem;--space-8: 4.5rem;--ease: cubic-bezier(.2, 0, 0, 1);--dur-fast: .11s;--dur: .17s;--dur-slow: .24s;--ease-in: cubic-bezier(.4, 0, 1, 1);--radius-1: 6px;--radius-2: 10px;--radius-3: 16px;--radius-pill: 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var(--on-color);--surface-hover: #f2efe9;--surface-active: #e9e5dd;--neu-base: #eeede8;--neu-light: #fcfbf8;--neu-dark: #cfcbc2;--accent: #8a3f74;--on-accent: var(--on-color);--accent-border: #dcb6cf;--accent-tint: #f8eef5;--accent-tint-hover: #f2e2ed;--accent-text: #74325f;--human: #3a5ccc;--human-tint: #eef2fd;--human-text: #2f4aa8;--danger: #cf3c30;--danger-tint: #fdeeed;--danger-tint-soft: #fef6f5;--danger-text: #a82f25;--info: #3a5ccc;--info-tint: #eef2fd;--warn: #a8720a;--warn-amber: #cf9414;--warn-tint: #fdf4e3;--warn-tint-soft: #fefaf2;--warn-border: #e2c998;--warn-text: #7d5507;--warn-strong: #a8720a;--ok: #12805c;--ok-strong: #0e6849;--ok-tint: #eaf6f1;--ok-text: #0b5740}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){color-scheme:dark;--elev-1: 0 1px 1px rgb(0 0 0 / .45), 0 1px 3px rgb(0 0 0 / .35), 0 2px 8px -2px rgb(0 0 0 / .3);--elev-2: 0 1px 2px rgb(0 0 0 / .5), 0 4px 10px -2px rgb(0 0 0 / .45), 0 12px 24px -6px rgb(0 0 0 / .4);--elev-3: 0 1px 2px rgb(0 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#2a1512;--danger-tint-soft: #1e0f0d;--danger-text: #ff9b8c;--info: #7da2ff;--info-tint: #141b2e;--warn: #e0a83c;--warn-amber: #e0a83c;--warn-tint: #2b2211;--warn-tint-soft: #1f190c;--warn-border: #4a3b18;--warn-text: #f0cc84;--warn-strong: #e0a83c;--ok: #3fbd8e;--ok-strong: #57d3a3;--ok-tint: #10261e;--ok-text: #7fdcb9}}:root[data-theme=dark]{color-scheme:dark;--elev-1: 0 1px 1px rgb(0 0 0 / .45), 0 1px 3px rgb(0 0 0 / .35), 0 2px 8px -2px rgb(0 0 0 / .3);--elev-2: 0 1px 2px rgb(0 0 0 / .5), 0 4px 10px -2px rgb(0 0 0 / .45), 0 12px 24px -6px rgb(0 0 0 / .4);--elev-3: 0 1px 2px rgb(0 0 0 / .55), 0 8px 18px -4px rgb(0 0 0 / .5), 0 24px 48px -12px rgb(0 0 0 / .5);--elev-4: 0 2px 4px rgb(0 0 0 / .5), 0 16px 32px -8px rgb(0 0 0 / .55), 0 40px 80px -20px rgb(0 0 0 / .6);--edge-highlight: rgb(255 255 255 / .06);--inset-sunken: inset 0 1px 2px rgb(0 0 0 / .4);--ink-gradient: linear-gradient(180deg, rgb(0 0 0 / 0) 40%, rgb(0 0 0 / .07));--ink-highlight: inset 0 1px 0 rgb(255 255 255 / .5);--bg: #12110f;--surface: #1a1916;--surface-sunken: #151412;--text: #ece9e3;--text-soft: #a8a399;--text-muted: #8f8a80;--border: #2a2824;--border-strong: #3b3833;--ink: #ece9e3;--ink-hover: #f8f6f1;--ink-active: #cfcac1;--on-ink: #12110f;--surface-hover: #22211d;--surface-active: #2a2824;--neu-base: #1d1c19;--neu-light: #282723;--neu-dark: #0c0b0a;--accent: #d98cc0;--on-accent: #1a0f17;--accent-border: #4d2c43;--accent-tint: #2a1824;--accent-tint-hover: #35202e;--accent-text: #eaa9d4;--human: #7da2ff;--human-tint: #141b2e;--human-text: #9cb8ff;--danger: #f2705f;--danger-tint: #2a1512;--danger-tint-soft: #1e0f0d;--danger-text: #ff9b8c;--info: #7da2ff;--info-tint: #141b2e;--warn: #e0a83c;--warn-amber: #e0a83c;--warn-tint: #2b2211;--warn-tint-soft: #1f190c;--warn-border: #4a3b18;--warn-text: #f0cc84;--warn-strong: #e0a83c;--ok: #3fbd8e;--ok-strong: #57d3a3;--ok-tint: #10261e;--ok-text: 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var(--border);color:var(--text-muted);font-size:var(--text-base);font-style:italic}.suggestion-source{margin:.4rem 0;font-size:var(--text-sm);color:var(--text-soft)}.suggestion-source summary{cursor:pointer}.suggestion-source p{white-space:pre-wrap;max-height:10rem;overflow-y:auto;color:var(--text-muted)}.suggestion-highlight{border-radius:var(--radius-1);cursor:pointer}.suggestion-highlight-contradiction{background:var(--danger-tint);border-bottom:2px solid var(--danger)}.suggestion-highlight-citation{background:var(--info-tint);border-bottom:2px solid var(--info)}.suggestion-highlight-gap_fill{background:var(--warn-tint);border-bottom:2px solid var(--warn)}.ask-ai-button{padding:.3rem .6rem;font-size:var(--text-base);box-shadow:var(--shadow-lift),inset 0 1px 0 var(--edge-highlight)}.request-chip{margin-bottom:.75rem;padding:.5rem 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var(--border)}.toolbar-button{min-width:1.9rem;padding:.2rem .4rem;border:1px solid transparent;border-radius:var(--radius-1);background:none;color:var(--text-soft);font-size:var(--text-base);line-height:1.4}@media (hover: hover){.toolbar-button:hover:not(:disabled){color:var(--text)}}.toolbar-button.is-active{color:var(--accent-text)}.toolbar-button.is-active:after{content:"";position:absolute;left:25%;right:25%;bottom:2px;height:2px;border-radius:1px;background:currentColor}.slash-menu{position:fixed;z-index:10;width:15rem;max-height:16rem;overflow-y:auto;padding:.25rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-2);box-shadow:var(--shadow-lift),inset 0 1px 0 var(--edge-highlight)}.slash-item{display:block;width:100%;padding:.3rem 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.35rem;border:none;border-radius:var(--radius-1);background:none;color:var(--text-soft);font-size:var(--text-base);text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (hover: hover){.document-item:hover:not(:disabled){background:var(--surface-hover);color:var(--text)}}.document-item.is-current{background:var(--surface-hover);color:var(--text);font-weight:500}.document-rename{width:100%;box-sizing:border-box;padding:.18rem .3rem;font-size:var(--text-base)}.quiz{max-width:36rem;margin:0 auto;padding:2rem 1.5rem 4rem}.quiz-actions{display:flex;justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:1.5rem}.quiz-title{font-size:var(--text-lg);margin:0 0 .3rem}.quiz-generated{margin:0 0 1.5rem;font-size:var(--text-sm)}.quiz-dots{display:flex;flex-wrap:wrap;margin:0 0 1rem -.55rem}.quiz-dots 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var(--border-strong);font-family:var(--font-mono);font-size:var(--text-xs);color:var(--text-soft);transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease)}.quiz-option.is-selected .quiz-letter{background:var(--accent);border-color:var(--accent);color:var(--on-accent);animation:letter-pop .3s cubic-bezier(.34,1.56,.64,1)}@keyframes letter-pop{0%{transform:scale(.6)}}.quiz-option-text{flex:1;padding-top:.1rem}.quiz-controls{display:flex;align-items:center;gap:.75rem;margin-top:1rem}.quiz-pager{display:inline-flex;padding:2px;border:1px solid var(--border-strong);border-radius:var(--radius-pill);background:var(--surface);box-shadow:var(--elev-1),inset 0 1px 0 var(--edge-highlight)}.quiz-pager .quiz-step{display:grid;place-items:center;width:2.5rem;height:2rem;padding:0;border:0;border-radius:var(--radius-pill);background:transparent;color:var(--text);font-size:1rem}.quiz-pager .quiz-step svg{transition:transform var(--dur) 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.4rem;border-radius:var(--radius-pill);background:var(--surface-hover);color:var(--text-muted);font-size:var(--text-xs);font-weight:600;font-variant-numeric:tabular-nums}.panel-empty{display:flex;flex-direction:column;align-items:center;text-align:center;padding:var(--space-4) var(--space-2);color:var(--text-muted)}.panel-empty-mark{color:var(--border-strong);margin-bottom:var(--space-2)}.panel-empty-title{margin:0 0 .25rem;font-size:var(--text-sm);font-weight:600;color:var(--text-soft)}.panel-empty-body{margin:0;font-size:var(--text-xs);line-height:1.5}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;display:flex;align-items:center;justify-content:center;padding:1rem;background:#00000073;animation:modal-fade var(--dur-fast) var(--ease)}.modal-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-3);box-shadow:var(--elev-4),inset 0 1px 0 var(--edge-highlight);animation:modal-rise var(--dur-fast) var(--ease)}.confirm-card{width:min(100%,25rem);padding:var(--space-5)}.confirm-mark{display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;margin-bottom:var(--space-3);border-radius:50%;background:var(--danger-tint);color:var(--danger)}.confirm-title{margin:0 0 var(--space-2);font-size:var(--text-md);font-weight:600;color:var(--text);line-height:1.35}.confirm-body{margin:0 0 var(--space-5);font-size:var(--text-base);line-height:1.55;color:var(--text-soft)}.confirm-actions{display:flex;justify-content:flex-end;gap:var(--space-2)}.confirm-cancel{background:none;border-color:var(--border-strong);color:var(--text-soft);font-weight:500}@media (hover: hover){.confirm-cancel:hover:not(:disabled){background:var(--surface-hover);border-color:var(--text-muted);color:var(--text)}}.confirm-cancel:active:not(:disabled){background:var(--surface-active);transform:translateY(1px);transition-duration:40ms}.confirm-go{background:var(--danger);border-color:transparent;color:var(--on-color);font-weight:500}@media (hover: hover){.confirm-go:hover:not(:disabled){background:var(--danger-text)}}.confirm-go:active:not(:disabled){transform:translateY(1px);transition-duration:40ms}.confirm-cancel:focus-visible,.confirm-go:focus-visible{outline:none;box-shadow:0 0 0 2px var(--surface),0 0 0 4px var(--accent)}@keyframes modal-fade{0%{opacity:0}}@keyframes modal-rise{0%{opacity:0;transform:translateY(6px) scale(.98)}}@media (prefers-reduced-motion: reduce){.modal-backdrop,.modal-card{animation:none}}.share-card{display:flex;flex-direction:column;width:min(100%,30rem);max-height:min(80vh,36rem)}.share-head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-3);padding:var(--space-5) var(--space-5) var(--space-4)}.share-title{margin:0;font-size:var(--text-md);font-weight:600;color:var(--text);line-height:1.35;min-width:0;overflow-wrap:anywhere}.share-invite{padding:0 var(--space-5) var(--space-4)}.share-field{display:flex;align-items:center;gap:var(--space-2);padding-top:var(--space-1)}.share-field>button{height:2.75rem}.outlined-field{position:relative;flex:1;min-width:0}.outlined-field input{display:block;box-sizing:border-box;width:100%;height:2.75rem;padding:0 .875rem;border:1px solid var(--border-strong);border-radius:var(--radius-1);background:transparent;font-size:var(--text-md);transition:border-color var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease)}.outlined-field input:hover:not(:disabled){border-color:var(--text-muted)}.outlined-field input:focus,.outlined-field input:focus-visible{border-color:var(--text);box-shadow:inset 0 0 0 1px var(--text)}.outlined-field label{position:absolute;left:.625rem;top:50%;transform:translateY(-50%);max-width:calc(100% - 1.25rem);padding:0 .25rem;background:var(--notch-bg, var(--surface));color:var(--text-muted);font-size:var(--text-md);line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;pointer-events:none;transition:top var(--dur) var(--ease),font-size var(--dur) var(--ease),color var(--dur) var(--ease)}.outlined-field input:focus+label,.outlined-field input:not(:placeholder-shown)+label{top:0;font-size:var(--text-xs)}.outlined-field input:focus+label{color:var(--text)}.outlined-field input[aria-invalid=true]{border-color:var(--danger)}.outlined-field input[aria-invalid=true]:focus{box-shadow:inset 0 0 0 1px var(--danger)}.outlined-field input[aria-invalid=true]+label{color:var(--danger-text)}.outlined-field input:disabled{opacity:.6}@media (prefers-reduced-motion: reduce){.outlined-field label{transition:none}}.share-hint,.share-error{margin:var(--space-2) 0 0;font-size:var(--text-xs);line-height:1.5}.share-hint{color:var(--text-muted)}.share-error{color:var(--danger-text)}.share-people{flex:1;min-height:0;overflow-y:auto;padding:0 var(--space-5);border-top:1px solid var(--border)}.share-people-head{position:sticky;top:0;z-index:1;display:flex;align-items:center;gap:var(--space-2);margin:0;padding:var(--space-4) 0 var(--space-2);background:var(--surface);font-size:var(--text-xs);font-weight:600;color:var(--text-muted)}.share-list{list-style:none;margin:0;padding:0 0 var(--space-3)}.share-person{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:var(--space-3);padding:var(--space-2) 0}.header-identity{display:inline-flex;align-items:center;gap:var(--space-2);min-width:0}.header-email{font-size:var(--text-md);color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:16rem}.share-avatar.is-small{width:1.65rem;height:1.65rem;font-size:var(--text-xs)}.share-avatar{display:flex;align-items:center;justify-content:center;width:2rem;height:2rem;border-radius:50%;color:var(--on-color);font-size:var(--text-sm);font-weight:700}.share-person-text{display:flex;flex-direction:column;min-width:0;line-height:1.35}.share-person-name{font-size:var(--text-base);font-weight:500;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.share-you{color:var(--text-muted);font-weight:400}.share-person-email{font-size:var(--text-xs);color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.share-role{flex-shrink:0;font-size:var(--text-xs);color:var(--text-muted)}.share-role.is-owner{padding:.1rem .45rem;border-radius:var(--radius-pill);background:var(--surface-hover);color:var(--text-soft);font-weight:600}.share-actions{display:flex;justify-content:flex-end;padding:var(--space-4) var(--space-5);border-top:1px solid var(--border)}@media (max-width: 900px){.app-layout{flex-direction:column;height:auto}.editor-pane{order:-1;min-height:60vh;padding:0 1rem 1.5rem}.editor-toolbar{margin:0 -1rem 1rem;padding:.35rem 1rem}.app-header{flex-wrap:wrap;gap:.5rem .75rem;padding:.75rem 1rem}.crumbs{flex-basis:100%;order:3}.workspace-toolbar{flex-wrap:wrap;padding:.6rem 1rem}.study-guide,.quiz{padding:1.5rem 1rem 3rem}}@media print{:root{color-scheme:light;--bg: #ffffff;--surface: #ffffff;--text: #000000;--text-soft: #333333;--text-muted: #5c5c5c;--border: #cccccc;--border-strong: #000000}h1,h2,h3,.display{font-weight:600;letter-spacing:-.01em}body{background:#fff;color:var(--text)}.app-header,.modal-backdrop,.workspace-toolbar,.study-guide-actions,.editor-toolbar,.theme-toggle,.slash-menu,.row-menu,.comment-draft-backdrop,.icon-button,.app-layout{display:none!important}.study-guide{max-width:none;margin:0;padding:0}.study-guide-sheet h2{break-after:avoid;page-break-after:avoid}.study-guide-sheet li,.study-guide-sources li{break-inside:avoid;page-break-inside:avoid}.study-guide-sources blockquote{color:#374151}}.header-count{font-size:var(--text-sm)}.editor-skeleton{max-width:68ch;margin:0 auto;padding-top:var(--space-6)}.editor-skeleton .skeleton-line{margin-bottom:var(--space-3)}.boot-hold{min-height:100vh}.margin-empty{padding:var(--space-6) var(--space-2)}.document-row{display:flex;align-items:center;gap:var(--space-1)}.document-row .document-item{flex:1;min-width:0}.row-menu-trigger{flex-shrink:0;opacity:0}@media (hover: none){.row-menu-trigger{opacity:1}}.document-row:hover .row-menu-trigger,.document-row:focus-within .row-menu-trigger,.source-card:hover .row-menu-trigger,.source-card:focus-within .row-menu-trigger,.row-menu-trigger.is-open,.row-menu-trigger:focus-visible{opacity:1}.row-menu{position:fixed;z-index:30;min-width:10.5rem;padding:var(--space-1);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-2);box-shadow:var(--shadow-lift),inset 0 1px 0 var(--edge-highlight)}.row-menu-item{display:flex;align-items:center;gap:var(--space-2);width:100%;padding:.35rem .5rem;border:none;border-radius:var(--radius-1);background:none;color:var(--text);font-size:var(--text-base);font-weight:400;text-align:left}.row-menu-item.is-destructive{color:var(--danger-text)}.row-menu-item:disabled{background:none;color:var(--text-muted);cursor:not-allowed}.row-menu-item svg{flex-shrink:0}.source-picker{position:fixed;z-index:40;display:flex;flex-direction:column;gap:var(--space-2);padding:var(--space-3);border:1px solid var(--border);border-radius:var(--radius-2);background:var(--surface);box-shadow:var(--elev-2)}.source-picker:focus{outline:none}.source-picker-title{margin:0;color:var(--text-soft);font-size:var(--text-sm);font-weight:600}.source-picker-list{display:flex;flex-direction:column;gap:2px;max-height:240px;margin:0;padding:0;overflow-y:auto;list-style:none}.source-picker-list label{display:flex;align-items:center;gap:var(--space-2);padding:6px var(--space-2);border-radius:var(--radius-1);cursor:pointer}.source-picker-list li:not(.is-waiting) label:hover{background:var(--surface-sunken)}.source-picker-list .is-waiting label{color:var(--text-muted);cursor:default}.source-picker-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:var(--text-sm)}.source-picker-note{font-size:var(--text-xs)}.source-picker-quick{display:flex;gap:var(--space-3)}.source-picker-loading,.source-picker-empty{display:flex;align-items:center;gap:var(--space-2);margin:0;color:var(--text-soft);font-size:var(--text-sm)}.source-picker-go{align-self:flex-end}.editor-pane,.left-rail,.annotation-margin{padding-bottom:5.5rem}.chat-dock{position:fixed;left:50%;bottom:var(--space-4);transform:translate(-50%);z-index:25;width:min(720px,calc(100vw - 2rem));display:flex;flex-direction:column;gap:var(--space-2)}.chat-bar{position:relative;display:flex;flex-direction:column;gap:var(--space-2);padding:var(--space-2);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-3);box-shadow:var(--elev-3),inset 0 1px 0 var(--edge-highlight)}.chat-bar:focus-within{border-color:var(--accent-border)}.chat-bar-row{display:flex;align-items:flex-end;gap:var(--space-2)}.chat-listening{flex-shrink:0;display:flex;width:20px;height:2rem;align-items:center}.chat-attach{flex-shrink:0;width:2rem;height:2rem}.chat-drop{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;display:flex;align-items:center;justify-content:center;border:2px dashed var(--accent);border-radius:inherit;background:var(--accent-tint);color:var(--accent-text);font-weight:600;pointer-events:none}.chat-dock.is-dragging .chat-bar{border-color:var(--accent)}.chat-attachments{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2);padding:var(--space-1) var(--space-1) 0}.chat-attachment{display:inline-flex;align-items:center;gap:var(--space-1);max-width:16rem;padding:.2rem .2rem .2rem .5rem;border:1px solid var(--border);border-radius:var(--radius-1);background:var(--surface-sunken);font-size:var(--text-sm);color:var(--text-soft)}.chat-attachment-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-attachment-state{flex-shrink:0;display:inline-flex;align-items:center;gap:.3rem;font-size:var(--text-xs);color:var(--text-muted)}.chat-attachment.is-failed{border-color:var(--danger);background:var(--danger-tint-soft)}.chat-attachment.is-failed .chat-attachment-state{color:var(--danger-text)}.chat-make-notes{padding:.3rem .7rem;border:1px solid var(--accent-border);border-radius:var(--radius-pill);background:var(--accent-tint);color:var(--accent-text);font-size:var(--text-sm);font-weight:600}.chat-make-notes:hover:not(:disabled){background:var(--accent-tint-hover)}.chat-drop-error{flex-basis:100%;margin:0;font-size:var(--text-xs)}.chat-bar textarea{flex:1;box-sizing:border-box;min-height:2rem;max-height:9rem;margin:0;padding:.375rem 0;border:none;background:none;color:var(--text);font:inherit;font-size:var(--text-md);line-height:1.25rem;resize:none;overflow-y:auto}.chat-bar textarea:focus-visible{box-shadow:none}.chat-send{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;padding:0;border-radius:50%}.chat-panel{display:flex;flex-direction:column;max-height:min(60vh,560px);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-3);box-shadow:var(--elev-4),inset 0 1px 0 var(--edge-highlight);overflow:hidden;animation:modal-rise var(--dur) var(--ease)}.chat-panel-head{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-3) var(--space-3) var(--space-4);border-bottom:1px solid var(--border)}.chat-panel-mark{color:var(--accent)}.chat-panel-title{flex:1;display:flex;flex-direction:column;font-weight:600}.chat-panel-sub{font-size:var(--text-xs);font-weight:400;color:var(--text-muted)}.chat-thread{flex:1;overflow-y:auto;padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-4)}.chat-earlier{align-self:center;display:inline-flex;align-items:center;gap:var(--space-2)}.chat-empty{margin:auto 0;text-align:center;color:var(--text-soft)}.chat-empty p{margin:0 0 var(--space-1)}.chat-message.is-user{align-self:flex-end;max-width:85%;display:flex;flex-direction:column;align-items:flex-end;gap:2px}.chat-author{font-size:var(--text-xs);color:var(--text-muted)}.chat-question{margin:0;padding:var(--space-2) var(--space-3);background:var(--human-tint);color:var(--text);border-radius:var(--radius-2);white-space:pre-wrap;overflow-wrap:anywhere}.chat-message.is-assistant{display:flex;gap:var(--space-3)}.chat-message-mark{flex-shrink:0;margin-top:3px;color:var(--accent)}.chat-message-main{flex:1;min-width:0}.chat-body{line-height:1.55;overflow-wrap:anywhere}.chat-body p,.chat-body ul{margin:0 0 var(--space-2)}.chat-body>:last-child{margin-bottom:0}.chat-body ul{padding-left:1.25rem}.chat-body li.is-l1{margin-left:1.1rem}.chat-body li.is-l2{margin-left:2.2rem}.chat-body li.is-l3{margin-left:3.3rem}.chat-body .chat-h2,.chat-body .chat-h3{margin:var(--space-3) 0 var(--space-1);font-weight:600;color:var(--text)}.chat-body .chat-h2{font-size:var(--text-md)}.chat-body .chat-h3{font-size:var(--text-base)}.chat-body>.chat-h2:first-child,.chat-body>.chat-h3:first-child{margin-top:0}.chat-body.is-notes{padding:var(--space-3) var(--space-4);border:1px solid var(--border);border-radius:var(--radius-2);background:var(--surface-sunken)}.chat-notes-actions{display:flex;align-items:center;flex-wrap:wrap;gap:var(--space-3);margin-top:var(--space-2)}.chat-notes-actions .error{margin:0}.chat-notes-done{font-size:var(--text-sm);color:var(--ok-text)}.chat-body.is-streaming>:last-child:after{content:"";display:inline-block;width:.45em;height:1em;margin-left:2px;vertical-align:-.12em;background:var(--accent);animation:skeleton-pulse 1s ease-in-out infinite}.chat-thinking{display:flex;align-items:center;gap:var(--space-2);margin:0;color:var(--text-muted)}.chat-writing{display:block;margin-top:var(--space-2)}.chat-elapsed{font-size:var(--text-sm);font-variant-numeric:tabular-nums;color:var(--text-muted)}.chat-body .chat-elapsed{display:block;margin-top:var(--space-1)}.chat-meta{margin:var(--space-1) 0 0;font-size:var(--text-sm);font-variant-numeric:tabular-nums;color:var(--text-muted)}.chat-cite{display:inline-flex;align-items:center;justify-content:center;min-width:1.15rem;height:1.15rem;margin:0 1px;padding:0 .25rem;border:none;border-radius:var(--radius-1);background:var(--accent-tint);color:var(--accent-text);font-size:var(--text-xs);font-weight:600;line-height:1;vertical-align:.1em}.chat-cite:hover{background:var(--accent-tint-hover)}.chat-sources{display:flex;flex-wrap:wrap;gap:var(--space-1);margin-top:var(--space-2)}.chat-source{display:inline-flex;align-items:center;gap:var(--space-1);max-width:100%;padding:.15rem .5rem .15rem .2rem;border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--surface);color:var(--text-soft);font-size:var(--text-xs)}.chat-source:hover,.chat-source.is-open{border-color:var(--accent-border);background:var(--accent-tint);color:var(--accent-text)}.chat-source-n{display:inline-flex;align-items:center;justify-content:center;min-width:1.1rem;height:1.1rem;border-radius:50%;background:var(--accent-tint);color:var(--accent-text);font-weight:600}.chat-source-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-excerpt{margin:var(--space-2) 0 0;padding:var(--space-2) var(--space-3);border-left:2px solid var(--accent-border);background:var(--surface-sunken);border-radius:0 var(--radius-1) var(--radius-1) 0;color:var(--text-soft);font-size:var(--text-sm);line-height:1.5;white-space:pre-wrap;max-height:12rem;overflow-y:auto}.chat-excerpt-label{display:block;margin-bottom:var(--space-1);font-size:var(--text-xs);font-weight:600;color:var(--text-muted)}.chat-failed .error{margin:0 0 var(--space-1)}.chat-error{margin:0;padding:var(--space-2) var(--space-4);border-top:1px solid var(--border)}@media (prefers-reduced-motion: reduce){.chat-panel,.chat-thinking,.chat-body.is-streaming>:last-child:after{animation:none}}@media (max-width: 900px){.chat-dock{bottom:var(--space-2)}.chat-panel{max-height:70vh}}.chat-mode{display:inline-flex;padding:2px;border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--surface-sunken);box-shadow:var(--inset-sunken)}.chat-mode button{padding:.2rem .65rem;border:none;border-radius:var(--radius-pill);background:none;color:var(--text-soft);font-size:var(--text-xs);font-weight:500}.chat-mode button:hover:not(.is-on){color:var(--text)}.chat-mode button.is-on{background:var(--surface);color:var(--text);box-shadow:var(--elev-1),inset 0 1px 0 var(--edge-highlight)}.chat-plan{padding:var(--space-3) var(--space-4);border:1px solid var(--accent-border);border-radius:var(--radius-2);background:var(--surface)}.chat-plan.is-approved{border-color:var(--border);background:var(--surface-sunken)}.chat-plan-lead{margin:0 0 var(--space-2);color:var(--text-soft);font-size:var(--text-sm)}.chat-plan-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:2px}.chat-plan-list li{display:flex;align-items:flex-start;gap:var(--space-2);padding:var(--space-1) 0}.chat-plan-list input[type=checkbox]{margin-top:.45rem;accent-color:var(--accent)}.chat-plan-text{flex:1;min-width:0;display:flex;flex-direction:column}.chat-plan-heading{width:100%;box-sizing:border-box;padding:.15rem .35rem;margin-left:-.35rem;border:1px solid transparent;border-radius:var(--radius-1);background:transparent;font-weight:600;font-size:var(--text-base)}.chat-plan-heading:hover:not(:disabled){border-color:var(--border)}.chat-plan-heading:focus{border-color:var(--accent);background:var(--surface);box-shadow:none}.chat-plan-heading:disabled{color:var(--text);background:transparent;border-color:transparent}.chat-plan-summary{font-size:var(--text-sm);color:var(--text-muted);line-height:1.45}.chat-plan-list li.is-dropped .chat-plan-heading,.chat-plan-list li.is-dropped .chat-plan-summary{color:var(--text-muted);text-decoration:line-through}.chat-plan-move{display:inline-flex;flex-shrink:0}.chat-plan .chat-notes-actions .muted{font-size:var(--text-sm)}.generate-button.is-running{position:relative;display:inline-flex;align-items:center;gap:var(--space-2);overflow:hidden;font-variant-numeric:tabular-nums}.generate-button.is-running:after{content:"";position:absolute;left:0;bottom:0;height:3px;width:var(--progress, 0%);background:var(--accent);transition:width .6s var(--ease)}.generate-button.is-queued{animation:skeleton-pulse 1.6s ease-in-out infinite}@media (prefers-reduced-motion: reduce){.generate-button.is-running:after{transition:none}.generate-button.is-queued{animation:none}}.orb{flex-shrink:0;vertical-align:middle}.outline-weak{margin-left:.4rem;font-size:.8em;font-variant-numeric:tabular-nums;color:var(--text-muted)}.quiz-weak{margin-top:1.25rem}.quiz-weak h2{font-size:1rem;margin:0 0 .5rem}.quiz-weak ul{list-style:none;margin:0 0 .75rem;padding:0}.quiz-weak li{animation:enter-rise var(--dur-slow) var(--ease) backwards;animation-delay:calc(.7s + var(--i, 0) * 60ms);display:flex;justify-content:space-between;gap:1rem;padding:.2rem 0;font-variant-numeric:tabular-nums}.demo-start{min-height:100vh;min-height:100dvh;display:grid;place-content:center;justify-items:center;gap:var(--space-5);text-align:center;padding:var(--space-5);background:var(--neu-base)}.demo-start-well{display:grid;place-items:center;width:128px;height:128px;border-radius:50%;background:var(--neu-base);box-shadow:inset 6px 6px 14px var(--neu-dark),inset -6px -6px 14px var(--neu-light);animation:login-rise .52s 80ms var(--ease) both}.demo-start-status{margin:0;color:var(--text-soft);animation:login-rise .52s .16s var(--ease) both}.demo-start-actions{display:flex;gap:12px;justify-content:center}.demo-upload-used{margin:0;padding:var(--space-3) var(--space-4);border-radius:var(--radius-2);background:var(--surface-sunken);color:var(--text-soft);font-size:var(--text-sm);text-align:center}.login-demo{display:flex;align-items:center;gap:var(--space-3);height:auto;padding:6px var(--space-5) 6px 6px;border:none;border-radius:var(--radius-pill);background:var(--neu-base);color:var(--text);text-align:left;cursor:pointer;box-shadow:-6px -6px 14px var(--neu-light),6px 6px 14px var(--neu-dark);transition:box-shadow var(--dur-slow) var(--ease),transform var(--dur-slow) var(--ease);animation:login-rise .52s .24s var(--ease) both}.login-demo-well{display:grid;place-items:center;flex:none;width:40px;height:40px;border-radius:50%;color:var(--accent-text);background:var(--neu-base);box-shadow:inset 3px 3px 7px var(--neu-dark),inset -3px -3px 7px var(--neu-light);transition:background var(--dur-slow) var(--ease),color var(--dur-slow) var(--ease),box-shadow var(--dur-slow) var(--ease)}.login-demo-well svg{transition:transform var(--dur-slow) var(--ease)}.login-demo-text{display:flex;flex-direction:column;line-height:1.25}.login-demo-text strong{font-size:var(--text-base);font-weight:600}.login-demo-text span{color:var(--text-soft);font-size:var(--text-xs);font-weight:400}.login-demo-arrow{margin-left:var(--space-2);color:var(--text-soft);transition:transform var(--dur-slow) var(--ease),color var(--dur-slow) var(--ease)}@media (hover: hover){.login-demo:hover:not(:disabled){background:var(--neu-base);color:var(--text)}.login-demo:hover:not(:disabled) .login-demo-well{background:var(--accent);color:var(--on-accent);box-shadow:none}.login-demo:hover:not(:disabled) .login-demo-well svg{transform:rotate(-12deg) translateY(-1px)}.login-demo:hover:not(:disabled) .login-demo-arrow{color:var(--text);transform:translate(4px)}}.login-demo:active:not(:disabled){background:var(--neu-base);color:var(--text);transform:none;box-shadow:inset 4px 4px 10px var(--neu-dark),inset -4px -4px 10px var(--neu-light)}.login-demo:focus-visible{outline:none;box-shadow:-6px -6px 14px var(--neu-light),6px 6px 14px var(--neu-dark),0 0 0 2px var(--neu-base),0 0 0 4px var(--accent)}.login-demo:disabled{background:var(--neu-base);color:var(--text-muted);cursor:default;box-shadow:none}.demo-banner{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:4px 12px;padding:8px 16px;font-size:13px;border-bottom:1px solid var(--border);background:var(--surface-sunken)}