:root{--brand:#2563eb;--bg:#fff;--surface:#f3f4f6;--text:#111827;--muted:#6b7280;--border:#e5e7eb;--danger:#b91c1c;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:15px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.state{text-align:center;height:100%;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:24px;display:flex}.chat{flex-direction:column;height:100%;display:flex}.header{background:var(--brand);color:#fff;justify-content:space-between;align-items:center;padding:12px 14px;display:flex}.title{align-items:center;gap:10px;min-width:0;display:flex}.title h1{white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:16px;overflow:hidden}.avatar{background:#ffffff38;border-radius:50%;place-items:center;width:32px;height:32px;font-weight:600;display:grid}.actions{gap:4px;display:flex}.icon-btn{color:#fff;cursor:pointer;background:0 0;border:0;border-radius:8px;place-items:center;width:34px;height:34px;display:grid}.icon-btn:hover:not(:disabled){background:#ffffff2e}.icon-btn:focus-visible{outline-offset:1px;outline:2px solid #fff}.icon-btn:disabled{opacity:.5;cursor:default}.log{flex-direction:column;flex:1;gap:10px;padding:16px 14px;display:flex;overflow-y:auto}.notice{color:var(--muted);text-align:center;margin:4px 12px;font-size:12px;line-height:1.4}.msg{flex-direction:column;max-width:85%;display:flex}.msg.user{align-self:flex-end;align-items:flex-end}.msg.assistant{align-self:flex-start}.bubble{overflow-wrap:anywhere;background:var(--surface);border-radius:14px;padding:9px 12px;line-height:1.45}.msg.user .bubble{background:var(--brand);color:#fff;border-bottom-right-radius:4px}.msg.assistant .bubble{border-bottom-left-radius:4px}.bubble p{margin:0}.bubble p+p,.bubble ul,.bubble ol{margin-top:6px}.bubble ul,.bubble ol{margin-bottom:0;padding-left:20px}.bubble code{background:#00000012;border-radius:4px;padding:0 4px;font-size:13px}.bubble a{color:inherit;text-decoration:underline}.sources{color:var(--muted);margin-top:6px;font-size:12px}.meta{color:var(--muted);margin-top:3px;padding:0 4px;font-size:11px}.meta .error{color:var(--danger)}.link{color:var(--brand);cursor:pointer;font:inherit;background:0 0;border:0;padding:0;text-decoration:underline}.typing{gap:4px;padding:12px;display:flex}.typing span{background:var(--muted);border-radius:50%;width:7px;height:7px;animation:1.2s infinite blink}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.25}40%{opacity:1}}.composer{border-top:1px solid var(--border);align-items:flex-end;gap:8px;padding:10px 12px;display:flex}.composer textarea{resize:none;max-height:120px;font:inherit;color:inherit;border:1px solid var(--border);background:var(--bg);border-radius:12px;flex:1;padding:9px 12px}.composer textarea:focus{outline:2px solid var(--brand);outline-offset:-1px}.send{background:var(--brand);color:#fff;cursor:pointer;border:0;border-radius:50%;flex-shrink:0;place-items:center;width:40px;height:40px;display:grid}.send:disabled{opacity:.45;cursor:default}.send:focus-visible{outline:2px solid var(--text);outline-offset:2px}.btn{border:1px solid var(--border);background:var(--bg);cursor:pointer;font:inherit;border-radius:8px;padding:8px 14px}.spinner{border:2px solid var(--border);border-top-color:var(--brand);border-radius:50%;width:18px;height:18px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.typing span,.spinner{animation:none}}