:root{--bg:#f7f8fa;--panel:#ffffff;--text:#1c2430;--muted:#5c6878;--line:#dde2e8;--accent:#1f6feb;--error:#c62828}@media (prefers-color-scheme:dark){:root{--bg:#0f1419;--panel:#171d24;--text:#e3e8ee;--muted:#93a0b0;--line:#2a333d;--accent:#4c8dff;--error:#ff6b6b}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 system-ui,-apple-system,Segoe UI,sans-serif}main{max-width:860px;margin:0 auto;padding:40px 16px}h1{margin:0;font-size:28px}h2{font-size:17px;margin:28px 0 10px}.sub{color:var(--muted);margin:4px 0 24px}form{display:flex;gap:8px}input{flex:1 1;min-width:0;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text)}button,input{font-size:15px}button{padding:12px 20px;border:0;border-radius:8px;cursor:pointer;background:var(--accent);color:#fff}button:disabled{opacity:.6;cursor:wait}.examples{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.chip{padding:6px 12px;font-size:13px;border-radius:999px;color:var(--muted)}.answer,.chip{background:var(--panel);border:1px solid var(--line)}.answer{white-space:pre-wrap;border-radius:8px;padding:16px}.mode{font-weight:400;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:2px 8px;margin-left:6px}.mode,pre{font-size:12px}pre{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px;overflow-x:auto;max-height:480px}.note{color:var(--muted)}.error{color:var(--error)}.answer{white-space:normal;line-height:1.65;margin-top:24px}.answer.empty{color:var(--muted)}.answer h1,.answer h2,.answer h3{font-size:16px;margin:18px 0 8px}.answer p{margin:8px 0}.answer ol,.answer ul{padding-left:22px}.answer table{border-collapse:collapse;width:100%;font-size:13px;margin:12px 0;display:block;overflow-x:auto}.answer td,.answer th{border:1px solid var(--line);padding:6px 10px;text-align:left}.answer th{background:var(--bg)}.answer code{font-size:13px}.sources{margin-top:20px}.sources h2{font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.count{font-size:12px;border:1px solid var(--line);border-radius:999px;padding:1px 8px;margin-left:6px}.sources ul{list-style:none;padding:0;margin:0;display:grid;grid-gap:6px;gap:6px}.sources li{display:flex;gap:10px;align-items:baseline;font-size:14px}.sources a{color:var(--accent);font-weight:600;white-space:nowrap;text-decoration:none}.sources a:hover{text-decoration:underline}.sources li span{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}details summary{cursor:pointer;color:var(--muted);font-size:13px;margin:10px 0}.skeleton{display:grid;grid-gap:10px;gap:10px;margin-top:24px}.skeleton span{height:14px;border-radius:6px;background:var(--line);animation:pulse 1.2s ease-in-out infinite}.skeleton span:nth-child(2){width:85%}.skeleton span:nth-child(3){width:60%}@keyframes pulse{50%{opacity:.4}}.dev{margin-top:28px;border-top:1px dashed var(--line);padding-top:8px}.dev p{font-size:12px;color:var(--muted)}