body { font-family: Arial, sans-serif; background:#0a0f1a; color:white; margin:0; }
.navbar { padding:10px; background:#101826; display:flex; gap:10px; }
.content { padding:20px; max-width:800px; margin:auto; }
.card { background:#1a2336; padding:20px; margin:20px 0; border-radius:10px; }
.input { width:100%; padding:8px; margin:5px 0; border-radius:6px; border:1px solid #333; }
.btn { padding:8px 14px; border-radius:6px; border:none; cursor:pointer; background:#2b3b63; color:white; }
.btn.ok { background:#0b5; } .btn.danger{background:#c22;}
.small{opacity:.8}