:root{--bg:#fff;--bg-elevated:#f7f7f8;--sidebar-bg:#f0f0f2;--text:#1f1f24;--text-muted:#6b6b76;--border:#e3e3e7;--accent:#7c3aed;--accent-hover:#6d28d9;--accent-contrast:#fff;--bubble-user:#7c3aed;--bubble-user-text:#fff;--bubble-assistant:#f0f0f2;--bubble-assistant-text:#1f1f24;--danger:#dc2626;--success:#16a34a;--warning:#d97706;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: 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transparent)}.chat-window{flex-direction:column;flex:1;min-width:0;display:flex}.chat-messages{flex-direction:column;flex:1;gap:14px;padding:24px;display:flex;overflow-y:auto}.chat-empty{text-align:center;max-width:420px;color:var(--text-muted);margin:auto}.chat-empty h2{color:var(--text);margin-bottom:8px;font-size:20px}.bubble{white-space:pre-wrap;border-radius:14px;max-width:70%;padding:10px 14px;font-size:14px}.bubble p{margin:0}.bubble--user{background:var(--bubble-user);color:var(--bubble-user-text);border-bottom-right-radius:4px;align-self:flex-end}.bubble--assistant{background:var(--bubble-assistant);color:var(--bubble-assistant-text);border-bottom-left-radius:4px;align-self:flex-start}.bubble-source{opacity:.7;font-size:12px;margin-top:6px!important}.bubble--pending{align-items:center;gap:4px;padding:14px;display:flex}.typing-dot{opacity:.5;background:currentColor;border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite 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