body { font-family: sans-serif; margin: 0; padding: 20px; background: #f5f5f5; }
nav { background: #1a1a2e; padding: 10px 20px; margin: -20px -20px 20px; }
nav a { color: #fff; text-decoration: none; margin-right: 20px; }
main { max-width: 800px; margin: 0 auto; background: #fff; padding: 30px; border-radius: 8px; }
form input, form textarea { display: block; width: 100%; margin: 10px 0; padding: 8px; border: 1px solid #ddd; border-radius: 4px; }
button { background: #1a1a2e; color: #fff; padding: 10px 20px; border: none; border-radius: 4px; cursor: pointer; }
.btn { background: #e94560; color: #fff; padding: 10px 20px; border-radius: 4px; text-decoration: none; }
.btn-outline { border: 2px solid #1a1a2e; color: #1a1a2e; padding: 10px 20px; border-radius: 4px; text-decoration: none; }