body{font-family:Segoe UI,Arial,sans-serif;background:#0f172a;color:#e2e8f0;margin:0}
.header{padding:16px;background:#111827;border-bottom:1px solid #1f2937}
.container{max-width:920px;margin:24px auto;padding:0 16px}
.card{background:#111827;border:1px solid #1f2937;border-radius:12px;padding:24px;margin-bottom:16px}
.card h2{margin:0 0 12px 0;font-size:20px;color:#93c5fd}
input,button{font-size:16px;padding:10px;border-radius:8px;border:1px solid #334155;background:#0b1220;color:#e2e8f0}
input{width:100%;margin:6px 0 12px}
button{background:#2563eb;border-color:#1d4ed8;cursor:pointer}
.link{color:#93c5fd;text-decoration:none}
.flex{display:flex;gap:16px;flex-wrap:wrap}
.flex .card{flex:1 1 420px}
.muted{color:#9ca3af}
.list{list-style:disc;margin:6px 0 0 18px}