body{margin:0;min-height:100vh;display:grid;place-items:center;font-family:Arial,sans-serif;background:#1e1b4b;color:#e0e7ff}
.card{text-align:center;padding:40px;border:1px solid #4338ca;border-radius:16px}
h1{margin:0 0 8px;color:#a5b4fc}