:root{color-scheme:light dark;--ink:#171a1e;--paper:#f5f6f5;--line:#d8dbda;--accent:#d65a1f}@media (prefers-color-scheme:dark){:root{--ink:#e9e8e3;--paper:#14171b;--line:#2c3238;--accent:#ef8143}}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}main{max-width:640px;margin:0 auto;padding:48px 24px}.banner{font-size:12.5px;letter-spacing:.04em;text-transform:uppercase;padding:8px 14px;border:1px solid var(--accent);border-radius:4px;color:var(--accent);display:inline-block;margin-bottom:24px}.banner,label{font-weight:600}label{display:block;font-size:13px;margin:16px 0 6px}input{width:100%;padding:9px 11px;font-size:15px;border:1px solid var(--line);background:transparent;color:var(--ink)}button,input{border-radius:5px}button{margin-top:22px;padding:10px 18px;font-size:14px;font-weight:600;border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer}button:disabled{opacity:.5;cursor:default}.hint{font-size:12.5px;color:color-mix(in srgb,var(--ink) 60%,transparent);margin-top:4px}.hint.ok{color:#2e7d4f}.hint.err{color:#b23a2e}.card{border:1px solid var(--line);border-radius:8px;padding:20px;margin-top:20px}