:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}body{margin:0}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 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0;display:flex}.hero{text-align:center;flex-direction:column;align-items:center;gap:14px;margin:auto 0;display:flex}.hero__title{letter-spacing:-1px;margin:0;font-size:40px}.hero__subtitle{max-width:440px;color:var(--text);font-size:16px;line-height:1.5}.upload{width:100%;max-width:480px;margin-top:14px}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);background:var(--social-bg);cursor:pointer;width:100%;color:inherit;font:inherit;flex-direction:column;align-items:center;gap:8px;padding:40px 24px;transition:border-color .2s,background .2s,transform .1s;display:flex;position:relative}.dropzone:hover{border-color:var(--accent-border)}.dropzone--active{border-color:var(--accent);background:var(--accent-bg);transform:scale(1.01)}.dropzone--busy{cursor:progress}.dropzone:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.dropzone__input{display:none}.dropzone__icon{color:var(--accent);font-size:28px}.dropzone__title{color:var(--text-h);font-size:16px;font-weight:500}.dropzone__hint{color:var(--text);font-size:13px}.link{color:var(--accent);text-decoration:underline}.upload__error{color:var(--danger);background:var(--danger-bg);text-align:center;border-radius:10px;margin-top:12px;padding:10px 14px;font-size:14px}.doc-bar{border:1px solid var(--border);background:var(--social-bg);border-radius:10px;align-items:center;gap:10px;margin-bottom:16px;padding:10px 14px;font-size:14px;display:flex}.doc-bar__icon{font-size:16px}.doc-bar__name{color:var(--text-h);text-overflow:ellipsis;white-space:nowrap;font-weight:500;overflow:hidden}.doc-bar__meta{color:var(--text);white-space:nowrap;margin-left:auto;font-size:13px}.chat{flex-direction:column;flex:auto;min-height:0;display:flex}.chat__scroll{flex-direction:column;flex:auto;gap:16px;padding:4px 2px 16px;display:flex;overflow-y:auto}.chat__empty{text-align:center;color:var(--text);max-width:360px;margin:auto}.chat__empty-title{color:var(--text-h);margin-bottom:6px;font-size:18px;font-weight:500}.chat__empty-hint{font-size:14px;line-height:1.5}.bubble{border-radius:var(--radius);max-width:82%;padding:12px 16px;font-size:15px;line-height:1.55}.bubble--user{background:var(--user-bubble);color:var(--text-h);border-bottom-right-radius:4px;align-self:flex-end}.bubble--assistant{background:var(--assistant-bubble);border:1px solid var(--border);border-bottom-left-radius:4px;align-self:flex-start}.bubble__content{white-space:pre-wrap}.bubble__sources{flex-direction:column;gap:6px;margin-top:12px;display:flex}.bubble__sources-label{text-transform:uppercase;letter-spacing:.5px;color:var(--text);font-size:12px}.source-card{border:1px solid 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var(--border);border-top-color:var(--accent);border-radius:50%;width:28px;height:28px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.app-footer{text-align:center;color:var(--text);border-top:1px solid var(--border);padding:16px 0;font-size:12px}@media (width<=640px){.hero__title{font-size:30px}.bubble{max-width:90%}.doc-bar__meta{display:none}}