:root{--bg:#f3f4f1;--card:#fff;--fg:#1d2321;--muted:#5d6762;--line:#d9ddd8;--accent:#1f5f4a;--ok:#1f5f4a;--err:#9b2c1f;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#141816;--card:#1c211f;--fg:#e8ece9;--muted:#9aa49f;--line:#2e3532;--accent:#7cc4a6;--ok:#7cc4a6;--err:#f08a7c;color-scheme:dark}}
*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;background:var(--bg);color:var(--fg);font:15px/1.5 "IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;padding:16px}
.card{width:100%;max-width:420px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:32px}
.eyebrow{margin:0 0 6px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
h1{margin:0 0 20px;font-size:22px}label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
input{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:6px;background:transparent;color:var(--fg);font:inherit}
input:focus{outline:2px solid var(--accent);outline-offset:1px}
button{margin-top:14px;width:100%;padding:11px;border:0;border-radius:6px;background:var(--accent);color:var(--card);font:inherit;font-weight:600;cursor:pointer}
.hint{font-size:13px;color:var(--muted);margin:16px 0 0}.ok{color:var(--ok)}.err{color:var(--err)}