:root{color-scheme:dark;--bg:#0f172a;--card:#1e293b;--line:#334155;--text:#dbe4ef;--muted:#94a3b8;--accent:#94a3b8;--accent2:#64748b}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 20% 0,#26354a 0,#0f172a 46%);color:var(--text);font:15px/1.55 Inter,ui-sans-serif,system-ui,sans-serif;min-height:100vh}.shell{display:grid;place-items:center;padding:24px}.card{background:#1e293bee;border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 70px #02061799}.login{width:min(420px,100%);padding:36px}.eyebrow{color:#cbd5e1;font-size:11px;letter-spacing:.18em;font-weight:700;display:block;margin-bottom:8px}.muted{color:var(--muted)}h1{font-size:34px;letter-spacing:-.04em;margin:0 0 8px}label{display:block;color:var(--muted);margin:22px 0 8px}input,textarea{display:block;width:100%;color:var(--text);background:#0f172a;border:1px solid var(--line);border-radius:10px;padding:12px 13px;font:inherit;outline:none}input:focus,textarea:focus{border-color:#94a3b8;box-shadow:0 0 0 3px #94a3b822}button{border:0;border-radius:10px;padding:11px 18px;background:#cbd5e1;color:#172033;font-weight:750;cursor:pointer}button:disabled{opacity:.55;cursor:wait}.error{color:#fca5a5;font-size:13px}.top{height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1040px)/2))}.top strong{font-size:20px}.ghost{background:transparent;color:var(--muted);border:1px solid var(--line);padding:8px 13px}.chat-shell{width:min(1040px,100%);margin:0 auto;padding:58px 24px 28px}.hero{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}.hero h1{font-size:42px}.status{font-size:12px;color:var(--muted);white-space:nowrap}.status i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#cbd5e1;margin-right:6px}.messages{min-height:320px;display:flex;flex-direction:column;gap:14px}.message{max-width:84%;padding:15px 18px;border:1px solid var(--line);border-radius:15px;background:#1e293b}.message.user{align-self:flex-end;background:#26364b;border-color:#475569}.message.assistant{align-self:flex-start}.message p{margin:5px 0 0;white-space:pre-wrap}.label{font-size:11px;color:#cbd5e1;font-weight:700}.empty{color:var(--muted);text-align:center;padding:100px 0}.composer{margin-top:26px;background:#1e293b;border:1px solid var(--line);border-radius:16px;padding:12px}.composer textarea{border:0;resize:vertical;background:transparent;padding:7px}.composer-bottom{display:flex;justify-content:space-between;align-items:center;padding:8px 5px 0}.composer-bottom span{color:var(--muted);font-size:12px}@media(max-width:650px){.hero{display:block}.hero h1{font-size:32px}.status{display:block;margin-top:14px}.message{max-width:96%}}