.container{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:20px}.card{background:#fff;padding:40px 60px;border-radius:16px;box-shadow:0 10px 25px #00000026;text-align:center}h1{font-size:2.5rem;color:#333;margin-bottom:12px}p{font-size:1.1rem;color:#666}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}