body { font-family: sans-serif; background:#0b1526; color:#fff; padding:40px; }
.center { display:flex; align-items:center; justify-content:center; height:100vh; }
.card { background:#122033; padding:30px; border-radius:12px; width:300px; }
input, textarea { width:100%; padding:10px; margin:8px 0; border-radius:6px; border:none; background:#1c2b40; color:#fff; }
button, .btn { padding:8px 14px; border-radius:6px; border:none; background:#2196f3; color:#fff; text-decoration:none; cursor:pointer; }
.btn.red { background:#d9534f; }
table { width:100%; border-collapse:collapse; margin-top:20px; }
td, th { border-bottom:1px solid #233246; padding:10px; }