:root{color-scheme:light dark;--bg:#f6f4f1;--card:#fff;--ink:#232326;--muted:#64646c;--line:#ddd9d4;--red:#c83028}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,sans-serif;min-height:100vh;display:grid;place-items:center;padding:28px 18px}.auth-card{width:min(100%,460px);padding:36px;background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:0 18px 65px #00000008}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit;font-size:13px;font-weight:750;letter-spacing:.06em}.brand img{width:48px;height:48px;object-fit:contain}.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.12em;margin-top:3px}.eyebrow{font-size:10px;letter-spacing:.18em;color:var(--red);font-weight:750;margin-top:38px}h1{font-family:Georgia,serif;font-size:39px;font-weight:500;line-height:1.1;letter-spacing:-.04em;margin:14px 0}#intro,.hint{color:var(--muted);font-size:14px}form{margin-top:26px}label{display:block;font-size:13px;font-weight:650;margin-top:18px}input{display:block;width:100%;margin-top:7px;padding:13px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font:inherit}input:focus{outline:2px solid var(--red);outline-offset:2px}button{margin-top:24px;padding:14px;width:100%;border:0;border-radius:10px;background:var(--red);color:white;font:650 15px system-ui;cursor:pointer}button:disabled{opacity:.65;cursor:wait}#auth-message{font-size:13px;color:var(--red)}.hint{font-size:12px;margin-top:24px}.back{color:var(--muted);font-size:13px;text-decoration:none}[hidden]{display:none!important}@media(prefers-color-scheme:dark){:root{--bg:#101319;--card:#1a1e27;--ink:#f5f3ef;--muted:#aaaeb8;--line:#303540}.brand img{background:#faf8f5;border-radius:5px}}@media(max-width:400px){.auth-card{padding:26px}}