:root{--bg:#f7f7f8;--panel:#fff;--text:#1f2328;--muted:#6b7280;--border:#e5e7eb;--accent:#2563eb;--user:#e8f0fe;--error:#b91c1c;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#111318;--panel:#1a1d24;--text:#e6e8eb;--muted:#9aa1ab;--border:#2b2f38;--accent:#60a5fa;--user:#1e2a44;--error:#f87171}}*{box-sizing:border-box}body{margin:0}button{font:inherit;cursor:pointer}.login{flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:100vh;display:flex}.login p{color:var(--muted);margin:0 0 8px}.layout{height:100vh;display:flex}aside{border-right:1px solid var(--border);background:var(--panel);flex-direction:column;flex-shrink:0;width:280px;display:flex}.sessions{flex-direction:column;flex:1;gap:4px;padding:12px;display:flex;overflow-y:auto}.new-session{border:1px solid var(--border);color:var(--text);background:0 0;border-radius:8px;margin-bottom:8px;padding:10px}.session{text-align:left;color:var(--text);white-space:nowrap;text-overflow:ellipsis;background:0 0;border:none;border-radius:6px;padding:8px 10px;overflow:hidden}.session.active,.session:hover{background:var(--bg)}.dot{background:var(--accent);border-radius:50%;width:8px;height:8px;margin-right:6px;display:inline-block}.account{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:8px;padding:12px;font-size:14px;display:flex}.account button{color:var(--muted);background:0 0;border:none}main{flex-direction:column;flex:1;min-width:0;display:flex}.empty{color:var(--muted);text-align:center;flex:1;justify-content:center;align-items:center;padding:24px;display:flex}.conversation{flex:1;padding:24px max(24px,50% - 430px);overflow-y:auto}.message{overflow-wrap:anywhere;border-radius:12px;margin:12px 0;padding:12px 16px;line-height:1.5}.message.user{background:var(--user);white-space:pre-wrap;width:fit-content;max-width:80%;margin-left:auto}.message.assistant{background:var(--panel);border:1px solid var(--border)}.message.failed{border-color:var(--error)}.markdown>:first-child{margin-top:0}.markdown>:last-child{margin-bottom:0}.markdown table{border-collapse:collapse;display:block;overflow-x:auto}.markdown th,.markdown td{border:1px solid var(--border);padding:4px 8px}.markdown pre{background:var(--bg);border-radius:8px;padding:12px;overflow-x:auto}.tools{color:var(--muted);margin:0 0 8px;padding-left:0;font-size:13px;list-style:none}.typing{color:var(--muted)}.tool-state{width:16px;display:inline-block}.tool.ok .tool-state{color:var(--accent)}.tool.failed .tool-state{color:var(--error)}.tool-time{font-variant-numeric:tabular-nums;margin-left:6px}.tool-output{background:var(--bg);white-space:pre-wrap;word-break:break-word;border-radius:6px;margin:4px 0 4px 16px;padding:6px 8px;font-size:12px}.tool details{margin-left:16px}.spinner{border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:10px;height:10px;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.pr-links{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.pr-links a{color:var(--accent)}.error{color:var(--error)}.banner{padding:8px 24px}.composer{border-top:1px solid var(--border);background:var(--panel);gap:8px;padding:16px max(24px,50% - 430px);display:flex}.composer textarea{resize:none;border:1px solid var(--border);font:inherit;color:var(--text);background:var(--bg);border-radius:8px;flex:1;padding:10px 12px}.composer button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:0 18px}.composer button:disabled{opacity:.5;cursor:default}@media (width<=720px){aside{display:none}}