:root,:root[data-reading-theme=light] .reading-surface{--background: #ffffff;--foreground: #202124;--surface: #ffffff;--elevated-surface: #ffffff;--muted: #f0f2f5;--muted-foreground: #646971;--border: #e2e5e9;--input: #8a919c;--primary: #095fc5;--primary-foreground: #ffffff;--primary-hover: #0752ac;--primary-pressed: #06438c;--secondary: #f0f2f5;--secondary-foreground: #202124;--secondary-hover: #e7ebf0;--secondary-pressed: #dae1e9;--accent: #095fc5;--accent-foreground: #ffffff;--focus: #095fc5;--selection: #e8f0fc;--selection-foreground: #154f98;--disabled-background: #edf0f3;--disabled-foreground: #6c727a;--section-alt: #f7f8fa;--beige-band: #f7f8fa;--ink-band: #202124;--ink-band-foreground: #f3f2f0;--destructive: #a3332b;--destructive-foreground: #ffffff;--destructive-background: #fcedea;--warning: #7a5c22;--warning-foreground: #ffffff;--warning-background: #f4f0e6;--success: #286140;--success-foreground: #ffffff;--success-background: #edf5ef;--info: #315d88;--info-foreground: #ffffff;--info-background: #edf3f8;--shell-sidebar: #f6f7f9;--scrim: rgb(21 21 21 / .45);--reading-ink: #292c31}:root,.reading-surface{--card: var(--surface);--card-foreground: var(--foreground);--surface-foreground: var(--foreground);--elevated-surface-foreground: var(--foreground);--input-background: var(--surface);--input-foreground: var(--foreground);--input-hover: var(--foreground);--link: var(--primary);--link-hover: var(--primary-hover);--destructive-border: var(--destructive);--warning-border: var(--warning);--success-border: var(--success);--info-border: var(--info);--logo-gray: var(--muted-foreground);--shadow-overlay: none;--chart-series-1: var(--info);--chart-series-2: var(--success);--chart-series-3: var(--warning);--chart-series-4: var(--foreground);--graphic-paper: var(--surface);--graphic-ink: var(--foreground)}.reading-surface{color:var(--foreground)}:root[data-reading-theme=dark] .reading-surface{color-scheme:dark}:root[data-reading-theme=light] .reading-surface{color-scheme:light}:root{--research-inspector-width: 22rem;--document-page-width: 50rem;--reader-canvas: var(--section-alt);--motion-duration-instant: .12s;--motion-duration-quick: .16s;--motion-duration-standard: .24s;--motion-duration-deliberate: .48s;--motion-duration-exit: .16s;--motion-duration-reduced: 0ms;--motion-distance-quick: 4px;--motion-distance-standard: 8px;--motion-distance-deliberate: 0px;--motion-distance-reduced: 0px;--motion-easing-enter: cubic-bezier(.22, 1, .36, 1);--motion-easing-change: cubic-bezier(.22, 1, .36, 1);--motion-easing-exit: cubic-bezier(.22, 1, .36, 1);--motion-duration: var(--motion-duration-standard);--motion-easing: var(--motion-easing-enter);--citation-mark: rgb(250 204 21 / .38);--citation-mark-strong: rgb(202 138 4);--brand-cite: #f2b01e;--pdf-page: #ffffff;--paper-preview-background: #ffffff;--paper-preview-title: #151515;--paper-preview-link: #095fc5;--paper-preview-link-hover: #0752ac;--paper-preview-ink: #3a3935;--paper-preview-muted: #5d5b57;--paper-preview-border: #e2e1df;--paper-preview-highlight: rgb(250 204 21 / .38);--graphic-edge: #d4d1cc;--graphic-line: #c9c5bf;--graphic-accent: #315d88;--graphic-accent-soft: rgb(49 93 136 / .14);--graphic-lens: rgb(49 93 136 / .08);--composer-focus-ring: 0 0 0 4px rgb(49 93 136 / .12);--elevation-1: 0 0 0 1px rgb(25 28 33 / .06), 0 1px 0 0 rgb(25 28 33 / .02), 0 2px 3px -1px rgb(0 0 0 / .08);--elevation-2: 0 0 0 1px rgb(0 0 0 / .05), 0 1px 1px -.5px rgb(0 0 0 / .05), 0 3px 3px -1.5px rgb(0 0 0 / .05), 0 6px 6px -3px rgb(0 0 0 / .05), 0 12px 12px -6px rgb(0 0 0 / .05), 0 24px 24px -12px rgb(0 0 0 / .05);--elevation-3: 0 2.8px 2.2px rgb(0 0 0 / .03), 0 6.7px 5.3px rgb(0 0 0 / .045), 0 12.5px 10px rgb(0 0 0 / .055), 0 22.3px 17.9px rgb(0 0 0 / .065), 0 41.8px 33.4px rgb(0 0 0 / .08), 0 100px 80px rgb(0 0 0 / .11);--composer-elevation: var(--elevation-2)}:root[data-theme=dark],:root[data-reading-theme=dark] .reading-surface{--background: #1c1d20;--foreground: #eceef2;--surface: #24262a;--elevated-surface: #2c2f34;--muted: #303339;--muted-foreground: #aeb4bf;--border: #40454d;--input: #818995;--primary: #9cc5ff;--primary-foreground: #10233e;--primary-hover: #b9d7ff;--primary-pressed: #d0e4ff;--secondary: #303339;--secondary-foreground: #eceef2;--secondary-hover: #3a3e46;--secondary-pressed: #454b55;--accent: #9cc5ff;--accent-foreground: #10233e;--focus: #9cc5ff;--selection: #263d5c;--selection-foreground: #c9e0ff;--disabled-background: #303339;--disabled-foreground: #a1a8b3;--section-alt: #212327;--beige-band: #212327;--ink-band: #0f0f0f;--ink-band-foreground: #f3f2f0;--destructive: #f0a39b;--destructive-foreground: #251211;--destructive-background: #321f1d;--warning: #cdb277;--warning-foreground: #272013;--warning-background: #292419;--success: #8fcba8;--success-foreground: #15251d;--success-background: #1a2b21;--info: #97bfdf;--info-foreground: #12232f;--info-background: #1b2b3b;--shell-sidebar: #202226;--scrim: rgb(0 0 0 / .64);--reading-ink: #e2e5eb;--citation-mark: rgb(250 204 21 / .3);--citation-mark-strong: rgb(250 204 21);--brand-cite: #b7791f;--graphic-edge: #444b56;--graphic-line: #545d69;--graphic-accent: #97bfdf;--graphic-accent-soft: rgb(151 191 223 / .18);--graphic-lens: rgb(151 191 223 / .1);--composer-focus-ring: 0 0 0 4px rgb(151 191 223 / .16);--elevation-1: 0 0 0 1px rgb(255 255 255 / .06), 0 2px 3px -1px rgb(0 0 0 / .4);--elevation-2: 0 0 0 1px rgb(255 255 255 / .07), 0 1px 1px -.5px rgb(0 0 0 / .3), 0 3px 3px -1.5px rgb(0 0 0 / .3), 0 6px 6px -3px rgb(0 0 0 / .3), 0 12px 12px -6px rgb(0 0 0 / .3), 0 24px 24px -12px rgb(0 0 0 / .3);--elevation-3: 0 0 0 1px rgb(255 255 255 / .08), 0 6.7px 5.3px rgb(0 0 0 / .3), 0 22.3px 17.9px rgb(0 0 0 / .35), 0 100px 80px rgb(0 0 0 / .5)}:root[data-theme=reading]{--background: #f3ead8;--foreground: #2d271f;--surface: #f9f2e5;--elevated-surface: #fffaf0;--muted: #eadfcb;--muted-foreground: #665b4e;--border: #d8cbb5;--input: #706452;--primary: #245d94;--primary-foreground: #fffaf0;--primary-hover: #1c4d7f;--primary-pressed: #153d65;--secondary: #eadfcb;--secondary-foreground: #2d271f;--secondary-hover: #e0d2b9;--secondary-pressed: #d3c2a4;--accent: #245d94;--accent-foreground: #fffaf0;--focus: #315873;--selection: #dde6ed;--selection-foreground: #214f7a;--disabled-background: #e8ddc8;--disabled-foreground: #695d4d;--section-alt: #eadfcb;--beige-band: #eadfcb;--ink-band: #2d271f;--ink-band-foreground: #fffaf0;--destructive: #913d30;--destructive-foreground: #fffaf0;--destructive-background: #f2ddd3;--warning: #765719;--warning-foreground: #fffaf0;--warning-background: #eee1c5;--success: #335e3e;--success-foreground: #fffaf0;--success-background: #e2ead8;--info: #315873;--info-foreground: #fffaf0;--info-background: #dee7e7;--shell-sidebar: #ede2ce;--scrim: rgb(45 39 31 / .48);--reading-ink: #2d271f;--citation-mark: rgb(234 179 8 / .34);--citation-mark-strong: rgb(161 98 7);--brand-cite: #e3a72f;--graphic-edge: #cdbd9f;--graphic-line: #c4b393;--graphic-accent: #315873;--graphic-accent-soft: rgb(49 88 115 / .14);--graphic-lens: rgb(49 88 115 / .08);--composer-focus-ring: 0 0 0 4px rgb(49 88 115 / .12);--elevation-1: 0 0 0 1px rgb(45 39 31 / .07), 0 2px 3px -1px rgb(45 39 31 / .1);--elevation-2: 0 0 0 1px rgb(45 39 31 / .06), 0 1px 1px -.5px rgb(45 39 31 / .06), 0 3px 3px -1.5px rgb(45 39 31 / .06), 0 6px 6px -3px rgb(45 39 31 / .06), 0 12px 12px -6px rgb(45 39 31 / .06), 0 24px 24px -12px rgb(45 39 31 / .06);--elevation-3: 0 2.8px 2.2px rgb(45 39 31 / .035), 0 12.5px 10px rgb(45 39 31 / .065), 0 41.8px 33.4px rgb(45 39 31 / .09), 0 100px 80px rgb(45 39 31 / .13)}:root{--reading-family: var(--font-sans);--reading-features: normal;--reading-size: 18px;--reading-leading: 29px;--reading-size-compact: 17px;--reading-leading-compact: 26px;--reading-measure: 64ch}:root[data-reading-size="16"]{--reading-size: 16px;--reading-leading: 25px;--reading-size-compact: 16px;--reading-leading-compact: 25px}:root[data-reading-size="17"]{--reading-size: 17px;--reading-leading: 26px;--reading-size-compact: 16px;--reading-leading-compact: 25px}:root[data-reading-size="20"]{--reading-size: 20px;--reading-leading: 31px;--reading-size-compact: 18px;--reading-leading-compact: 28px}:root[data-reading-size="22"]{--reading-size: 22px;--reading-leading: 34px;--reading-size-compact: 20px;--reading-leading-compact: 31px}:root[data-reading-measure=narrow]{--reading-measure: 56ch}:root[data-reading-measure=wide]{--reading-measure: 72ch}:root[data-reading-font=serif]{--reading-family: var(--font-reading)}:root[data-reading-font=sans]{--reading-family: var(--font-sans);--reading-features: normal;--reading-measure: 53ch}:root[data-reading-font=sans][data-reading-measure=narrow]{--reading-measure: 48ch}:root[data-reading-font=sans][data-reading-measure=wide]{--reading-measure: 60ch}@theme inline{ --color-background: var(--background); --color-foreground: var(--foreground); --color-surface: var(--surface); --color-elevated-surface: var(--elevated-surface); --color-card: var(--card); --color-card-foreground: var(--card-foreground); --color-muted: var(--muted); --color-muted-foreground: var(--muted-foreground); --color-border: var(--border); --color-input: var(--input); --color-input-background: var(--input-background); --color-input-foreground: var(--input-foreground); --color-input-hover: var(--input-hover); --color-primary: var(--primary); --color-primary-foreground: var(--primary-foreground); --color-primary-hover: var(--primary-hover); --color-primary-pressed: var(--primary-pressed); --color-secondary: var(--secondary); --color-secondary-foreground: var(--secondary-foreground); --color-secondary-hover: var(--secondary-hover); --color-secondary-pressed: var(--secondary-pressed); --color-accent: var(--accent); --color-accent-foreground: var(--accent-foreground); --color-focus: var(--focus); --color-selection: var(--selection); --color-selection-foreground: var(--selection-foreground); --color-disabled-background: var(--disabled-background); --color-disabled-foreground: var(--disabled-foreground); --color-section-alt: var(--section-alt); --color-beige-band: var(--beige-band); --color-ink-band: var(--ink-band); --color-ink-band-foreground: var(--ink-band-foreground); --color-logo-gray: var(--logo-gray); --color-destructive: var(--destructive); --color-destructive-foreground: var(--destructive-foreground); --color-destructive-background: var(--destructive-background); --color-warning: var(--warning); --color-warning-foreground: var(--warning-foreground); --color-warning-background: var(--warning-background); --color-success: var(--success); --color-success-foreground: var(--success-foreground); --color-success-background: var(--success-background); --color-info: var(--info); --color-info-foreground: var(--info-foreground); --color-info-background: var(--info-background); --color-destructive-border: var(--destructive-border); --color-warning-border: var(--warning-border); --color-success-border: var(--success-border); --color-info-border: var(--info-border); --color-link: var(--link); --color-link-hover: var(--link-hover); --color-shell-sidebar: var(--shell-sidebar); --color-scrim: var(--scrim); --color-chart-series-1: var(--chart-series-1); --color-chart-series-2: var(--chart-series-2); --color-chart-series-3: var(--chart-series-3); --color-chart-series-4: var(--chart-series-4); --color-pdf-page: var(--pdf-page); --shadow-elevation-1: var(--elevation-1); --shadow-elevation-2: var(--elevation-2); --shadow-elevation-3: var(--elevation-3); --color-graphic-edge: var(--graphic-edge); --color-graphic-accent: var(--graphic-accent); --color-graphic-accent-soft: var(--graphic-accent-soft); --font-sans: "Geist", -apple-system, BlinkMacSystemFont, system-ui, sans-serif; --font-serif: "Geist", -apple-system, BlinkMacSystemFont, system-ui, sans-serif; --font-reading: "Source Serif 4 Variable", ui-serif, Georgia, serif; --font-mono: ui-monospace, SFMono-Regular, Menlo, monospace; --spacing: 4px; --radius-sm: 8px; --radius-md: 10px; --radius-lg: 12px; --radius-xl: 14px; --radius-2xl: 16px; --radius-3xl: 20px; }@layer base{*{@apply border-border;box-sizing:border-box}html{color-scheme:light;scroll-behavior:auto}html[data-theme=dark]{color-scheme:dark}body{@apply bg-background text-foreground min-h-screen font-sans antialiased;margin:0;font-size:17px;font-weight:400;line-height:1.55}.font-serif,.font-reading{font-feature-settings:normal}a{color:inherit}button,input,select{font:inherit}::selection{background:var(--selection);color:var(--selection-foreground)}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--background);color:var(--foreground);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;font-size:14px;line-height:1.5}button,input,textarea{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}h1{font-size:20px;line-height:1.25;margin:0 0 8px;font-weight:600}h2{font-size:15px;margin:0;font-weight:600}h3{font-size:12px;margin:0 0 4px;font-weight:600;text-transform:none;color:var(--muted-foreground)}p{margin:0 0 8px}.pane{display:flex;flex-direction:column;height:100%;min-width:280px}.panel{flex:1;min-height:0;overflow:auto;display:flex;flex-direction:column}.screen{padding:24px 16px;max-width:360px}.header{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--border)}.header__mark{display:inline-flex;align-items:center;gap:8px;font-weight:600}.header__actions{display:flex;align-items:center;gap:4px;position:relative}.tabs{display:flex;border-bottom:1px solid var(--border)}.tabs [role=tab]{flex:1;padding:8px 4px;background:none;border:0;border-bottom:2px solid transparent;cursor:pointer;color:var(--muted-foreground)}.tabs [role=tab][aria-selected=true]{color:var(--foreground);border-bottom-color:var(--primary);font-weight:600}.context-bar{display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--muted);border-bottom:1px solid var(--border);font-size:13px}.context-bar>span:first-child{flex:1}.button{padding:6px 12px;border:1px solid var(--input);border-radius:var(--radius-sm, 8px);background:var(--secondary);color:var(--secondary-foreground);cursor:pointer}.button:hover:not(:disabled){background:var(--secondary-hover)}.button--primary{background:var(--primary);border-color:var(--primary);color:var(--primary-foreground)}.button--primary:hover:not(:disabled){background:var(--primary-hover)}.button--quiet{border-color:transparent;background:none}.button:disabled,.icon-button:disabled,.segmented button:disabled{background:var(--disabled-background);color:var(--disabled-foreground);border-color:transparent;cursor:not-allowed}.icon-button{min-width:32px;height:32px;border:1px solid transparent;border-radius:var(--radius-sm, 8px);background:none;cursor:pointer}.icon-button:hover:not(:disabled){background:var(--muted)}.field{width:100%;padding:6px 8px;border:1px solid var(--input);border-radius:var(--radius-sm, 8px);background:var(--background)}.row{display:flex;gap:8px;align-items:center}.stack{display:flex;flex-direction:column;gap:8px}.segmented{display:inline-flex;border:1px solid var(--input);border-radius:var(--radius-sm, 8px);overflow:hidden}.segmented button{padding:4px 10px;background:none;border:0;cursor:pointer}.segmented button[aria-pressed=true]{background:var(--selection);color:var(--selection-foreground);font-weight:600}.assistant{display:flex;flex-direction:column;flex:1;min-height:0}.assistant__bar{display:flex;justify-content:flex-end;gap:4px;padding:4px 8px}.assistant__log{flex:1;overflow:auto;padding:0 12px 12px}.assistant__empty{color:var(--muted-foreground)}.composer{border-top:1px solid var(--border);padding:8px 12px 12px;display:flex;flex-direction:column;gap:6px}.composer__input{width:100%;resize:vertical;padding:8px;border:1px solid var(--input);border-radius:var(--radius-md, 10px);background:var(--background)}.composer__row{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.composer__row .button--primary{margin-left:auto}.focus-chip{align-self:flex-start;padding:2px 10px;border:1px solid var(--border);border-radius:999px;background:var(--muted);font-size:12px;cursor:pointer}.message{margin:12px 0 20px}.message__question{background:var(--muted);border-radius:var(--radius-md, 10px);padding:8px 10px;margin-bottom:8px}.message__focus{display:block;font-size:12px;color:var(--muted-foreground)}.message__step,.message__partial{color:var(--muted-foreground)}.message__failure{color:var(--destructive)}.message__abstain{color:var(--foreground)}.message__note{font-size:12px;color:var(--muted-foreground)}.message__actions{display:flex;flex-wrap:wrap;gap:4px;margin:8px 0}.caret{display:inline-block;width:7px;height:14px;margin-left:3px;vertical-align:text-bottom;background:var(--muted-foreground);animation:blink 1s steps(2) infinite}@keyframes blink{50%{opacity:0}}@media(prefers-reduced-motion:reduce){.caret{animation:none}}.chip{padding:0 2px;background:none;border:0;color:var(--primary);cursor:pointer;font-size:11px}.sources ol{list-style:none;padding:0;margin:0}.source{border:1px solid var(--border);border-radius:var(--radius-sm, 8px);margin-bottom:4px;transition:background var(--motion-duration-standard, .24s)}.source--flash{background:var(--selection)}.source__head{width:100%;text-align:left;padding:6px 8px;background:none;border:0;cursor:pointer}.source__body{padding:0 8px 8px}.source__body blockquote{margin:6px 0;padding-left:8px;border-left:2px solid var(--border);font-family:var(--font-reading, Georgia, serif)}.source__labels{font-size:12px;color:var(--muted-foreground)}.source__links{display:flex;gap:12px}.source__links a{color:var(--primary)}.dialog-backdrop{position:fixed;inset:0;background:var(--scrim);display:flex;align-items:flex-end;justify-content:center;z-index:10}.dialog{width:100%;max-height:85%;overflow:auto;padding:12px;background:var(--surface);border-radius:var(--radius-lg, 12px) var(--radius-lg, 12px) 0 0;display:flex;flex-direction:column;gap:8px}.dialog__head{display:flex;justify-content:space-between;align-items:center}.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}.list__row{display:flex;align-items:center;gap:4px;border:1px solid var(--border);border-radius:var(--radius-sm, 8px)}.list__main{flex:1;display:flex;flex-direction:column;text-align:left;background:none;border:0;padding:6px 8px;cursor:pointer}.list__main span{color:var(--muted-foreground);font-size:12px}.list__empty{color:var(--muted-foreground);padding:8px}.account{position:relative}.menu{position:absolute;right:0;top:36px;min-width:220px;z-index:5;background:var(--elevated-surface);border:1px solid var(--border);border-radius:var(--radius-md, 10px);padding:8px;box-shadow:var(--elevation-2, 0 4px 12px rgb(0 0 0 / .15))}.menu__who{display:flex;flex-direction:column;margin-bottom:4px}.menu__who span{font-size:12px;color:var(--muted-foreground)}.menu__item{display:flex;align-items:center;gap:6px;width:100%;padding:6px 4px;background:none;border:0;text-align:left;cursor:pointer}.tools{padding:8px 12px}.tool{border:1px solid var(--border);border-radius:var(--radius-sm, 8px)}.tool__head{width:100%;display:flex;flex-direction:column;text-align:left;background:none;border:0;padding:8px;cursor:pointer}.tool__head span,.tool--later span{color:var(--muted-foreground);font-size:12px}.tool__body{padding:0 8px 8px}.tool--later{padding:8px;display:flex;justify-content:space-between;color:var(--muted-foreground)}.confirm{border:1px solid var(--border);border-radius:var(--radius-sm, 8px);padding:8px;background:var(--warning-background)}.facts{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;margin:0}.facts dt{color:var(--muted-foreground)}.facts dd{margin:0}.facts__pair{display:contents}.placeholder{padding:16px;color:var(--muted-foreground)}.help{padding-left:18px;margin:0}.context-bar{flex-wrap:wrap}.lock-controls{display:inline-flex;align-items:center;flex-wrap:wrap;gap:4px;flex:0 0 auto}.context-bar .lock-controls{flex:1 1 100%}.lock-controls__message{font-size:12px;color:var(--muted-foreground)}.lock-controls--compact .button{padding:2px 8px;font-size:12px}.composer__focus{display:flex;align-items:center;flex-wrap:wrap;gap:6px}.tabs [role=tab]:disabled{color:var(--disabled-foreground);cursor:not-allowed}