:root{--bg:#0f1216;--panel:#171b21;--panel-2:#1e242c;--border:#2a323c;--text:#e7ecf2;--muted:#9aa7b4;--accent:#7c5cff;--accent-ink:#fff;--user-bubble:#2a2342;--danger:#e06666}@media (prefers-color-scheme:light){:root{--bg:#f4f6f8;--panel:#fff;--panel-2:#f0f3f6;--border:#dbe1e8;--text:#16202b;--muted:#5c6b7a;--accent:#6a4cf0;--user-bubble:#e9e4fb}}*{box-sizing:border-box}body,html{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.wrap{max-width:760px;margin:0 auto;height:100dvh;display:flex;flex-direction:column}.header{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}.header .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 25%,transparent)}.header h1{font-size:15px;margin:0;font-weight:600}.header .sub{color:var(--muted);font-size:12px;margin-left:auto}.messages{flex:1 1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:12px}.msg{max-width:85%;padding:10px 13px;border-radius:14px;white-space:pre-wrap;word-wrap:break-word}.msg.user{align-self:flex-end;background:var(--user-bubble);border-bottom-right-radius:4px}.msg.assistant{align-self:flex-start;background:var(--panel-2);border:1px solid var(--border);border-bottom-left-radius:4px}.msg.error{align-self:flex-start;background:color-mix(in srgb,var(--danger) 15%,transparent);border:1px solid var(--danger);color:var(--text)}.msg table{border-collapse:collapse;margin:6px 0;font-size:13px}.msg td,.msg th{border:1px solid var(--border);padding:4px 8px;text-align:left}.empty{color:var(--muted);text-align:center;margin:auto;max-width:420px}.empty h2{color:var(--text);font-size:18px;margin:0 0 8px}.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:14px}.chip{background:var(--panel-2);border:1px solid var(--border);color:var(--text);padding:7px 11px;border-radius:999px;font-size:13px;cursor:pointer}.chip:hover{border-color:var(--accent)}.suggestions{display:flex;gap:8px;padding:8px 14px 0;overflow-x:auto;scrollbar-width:thin}.suggestions .chip{white-space:nowrap;flex:0 0 auto}.suggestions .chip:disabled{opacity:.5;cursor:not-allowed}.composer{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--border)}.composer input{flex:1 1;background:var(--panel);border:1px solid var(--border);color:var(--text);border-radius:10px;padding:11px 13px;font-size:15px;outline:none}.composer input:focus{border-color:var(--accent)}.composer button,.gate button{background:var(--accent);color:var(--accent-ink);border:0;border-radius:10px;padding:0 16px;font-size:15px;font-weight:600;cursor:pointer}.composer button:disabled{opacity:.5;cursor:not-allowed}.gate{height:100dvh;display:flex;align-items:center;justify-content:center;padding:20px}.gate .card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:28px;width:100%;max-width:360px;text-align:center}.gate h1{font-size:19px;margin:0 0 6px}.gate p{color:var(--muted);margin:0 0 18px;font-size:13px}.gate input{width:100%;background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:10px;padding:11px 13px;font-size:15px;margin-bottom:10px;outline:none}.gate input:focus{border-color:var(--accent)}.gate button{width:100%;padding:11px}.gate .err{color:var(--danger);font-size:13px;min-height:18px;margin-top:8px}.typing{color:var(--muted);font-style:italic}