:root{--bg:#fff;--panel:#f6f7f9;--line:#e3e6ea;--text:#16181d;--muted:#6b7280;--brand:#7c3aed;--radius:12px}@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--panel:#171a21;--line:#272c36;--text:#e9ebef;--muted:#9aa1b1}}*{box-sizing:border-box}html,body{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.page{flex-direction:column;height:100dvh;display:flex}.top{border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:14px 20px;display:flex}.top .logo{width:auto;height:30px}.top .wordmark{letter-spacing:-.01em;font-size:17px;font-weight:700}.top .tag{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);border-left:1px solid var(--line);padding-left:12px;font-size:12px;font-weight:600}.chat{flex-direction:column;flex:1;display:flex;overflow:hidden}.log{flex:1;padding:28px 20px;overflow-y:auto}.log>*{max-width:760px;margin-inline:auto}.empty{text-align:center;padding-top:8vh}.empty h1{letter-spacing:-.02em;margin:0 0 8px;font-size:30px}.empty p{color:var(--muted);margin:0 0 28px}.starters{flex-direction:column;align-items:center;gap:10px;display:flex}.starters button{background:var(--panel);border:1px solid var(--line);color:var(--text);font:inherit;cursor:pointer;border-radius:99px;max-width:100%;padding:10px 18px;font-size:15px;transition:border-color .15s,transform .15s}.starters button:hover{border-color:var(--brand);transform:translateY(-1px)}.msg{margin-bottom:24px}.msg .bubble{white-space:pre-wrap}.msg.user{justify-content:flex-end;display:flex}.msg.user .bubble{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);max-width:85%;padding:10px 15px}.msg.thinking{color:var(--muted);font-style:italic}.cites{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.cite{background:var(--brand);color:#fff;border-radius:99px;align-items:center;gap:6px;padding:7px 13px;font-size:13px;font-weight:600;text-decoration:none;display:inline-flex}.cite:hover{filter:brightness(1.08)}.composer{border-top:1px solid var(--line);background:var(--bg);gap:10px;width:100%;max-width:800px;margin-inline:auto;padding:14px 20px;display:flex}.composer input{background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:var(--radius);font:inherit;flex:1;padding:13px 15px}.composer input:focus{outline:2px solid var(--brand);outline-offset:-1px}.composer button{background:var(--brand);color:#fff;border-radius:var(--radius);font:inherit;cursor:pointer;border:0;padding:0 22px;font-weight:600}.composer button:disabled{opacity:.45;cursor:not-allowed}@media (max-width:640px){.empty h1{font-size:24px}.log{padding:20px 14px}.composer{padding:12px 14px}}