body{margin:0;font-family:Arial,sans-serif;background:#111;color:#eee}
header,nav,footer{background:#1a0000;padding:20px;text-align:center}
nav a{color:#f44;margin:0 10px;text-decoration:none;font-weight:bold}
main{max-width:900px;margin:auto;padding:30px}
.card{background:#1c1c1c;border-left:5px solid #d22;padding:15px;margin:15px 0;border-radius:8px}
h1,h2{color:#ff4444}
table{width:100%;border-collapse:collapse}td,th{border:1px solid #444;padding:8px}