:root{color-scheme:light dark;--bg: #f5f7fa;--card: #ffffff;--text: #1c2430;--muted: #6b7686;--ok: #1a9b4f;--bad: #d23b3b;--border: #dfe4ea;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme: dark){:root{--bg: #14181f;--card: #1d232c;--text: #e8edf3;--muted: #93a0b2;--border: #2b3340}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.shell{max-width:640px;margin:0 auto;padding:48px 20px}h1{margin:0;font-size:2rem;letter-spacing:.02em}.tagline{margin:4px 0 28px;color:var(--muted)}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px 24px}.card h2{margin:0 0 12px;font-size:1.05rem}.row{display:flex;align-items:center;gap:10px;padding:8px 0;border-top:1px solid var(--border)}.row:first-of-type{border-top:0}.detail{color:var(--muted);margin-left:auto;font-size:.9rem}.dot{width:10px;height:10px;border-radius:50%;flex:none}.dot.ok{background:var(--ok)}.dot.bad{background:var(--bad)}footer{margin-top:24px;color:var(--muted);font-size:.9rem}.card+.card{margin-top:16px}form{display:flex;flex-direction:column;gap:10px}label{font-size:.9rem;color:var(--muted)}input{font:inherit;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text)}input:focus-visible,button:focus-visible{outline:2px solid #3b82f6;outline-offset:2px}button{font:inherit;padding:10px 14px;border-radius:8px;border:0;background:#2563eb;color:#fff;cursor:pointer}button:disabled{opacity:.6;cursor:default}button.link{background:none;color:var(--muted);padding:4px 0;text-decoration:underline;align-self:flex-start}.msg{margin:14px 0 0;color:var(--muted);font-size:.92rem}.msg.error{color:var(--bad)}dl{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;margin:0 0 16px}dt{color:var(--muted)}dd{margin:0}