*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:28px;background:#f5efe4;color:#3d2d25;font:16px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}.card{width:min(620px,100%);background:#fffaf2;border:1px solid #e4d7c5;border-radius:28px;padding:36px;box-shadow:0 18px 55px rgba(71,49,34,.12)}.brand{color:#4d3428;text-decoration:none;font-weight:800}.eyebrow{margin:28px 0 4px;text-transform:uppercase;letter-spacing:.12em;font-size:.75rem;font-weight:800;color:#8a6c57}h1{margin:0;font:700 2.2rem/1.1 Georgia,serif}.lead{color:#6c584a}.rules{margin:28px 0 18px;padding:20px;border-radius:18px;background:#f7f0e6;border:1px solid #e8daca}.rules h2{margin:0 0 6px;font-size:1.05rem}.rules p{margin:0 0 14px;color:#6c584a}.rules label{display:flex;gap:10px;align-items:flex-start}.rules input{margin-top:5px;transform:scale(1.15)}a{color:#345fa8}button{width:100%;border:0;border-radius:14px;padding:15px 18px;font-weight:800;font-size:1rem;background:#5865f2;color:white;cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}.status{min-height:24px;color:#8a4c32}.back{display:block;margin-top:14px;text-align:center;text-decoration:none;color:#70594a}@media(max-width:600px){.card{padding:24px;border-radius:22px}}