body{font-family:Arial,Helvetica,sans-serif;background:#0a0a0a;color:#fff;margin:0;padding:0;}
.container{max-width:1000px;margin:30px auto;padding:20px;background:#0f0f0f;border-radius:8px;}
header{background:#111;padding:20px;text-align:center;}
nav{display:flex;justify-content:center;gap:12px;padding:12px;background:#151515;}
nav a{color:#fff;text-decoration:none;font-weight:600;}
button{background:#1e90ff;color:#fff;padding:8px 12px;border:none;border-radius:6px;cursor:pointer;}
form input, form textarea, form select{width:100%;padding:10px;margin:8px 0;border-radius:6px;border:1px solid #222;background:#0a0a0a;color:#fff;}
.card{background:#121212;padding:12px;border-radius:8px;margin-bottom:12px;}
.small{font-size:0.9em;color:#bbb;}
.notice{background:#222;padding:10px;border-radius:6px;margin-bottom:12px;color:#ddd;}