body{font-family:Arial,sans-serif;margin:0;background:#0b1020;color:#fff}
header,nav,footer{padding:20px;background:#11182f}
.container{max-width:1100px;margin:auto;padding:20px}
.card{background:#1a2342;padding:20px;border-radius:12px;margin:10px 0}
input,button{padding:10px;margin:5px;width:100%}
a{color:#7dd3fc}