body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0; padding: 0;
  background: #000; color: #fff;
  text-align: center; transition: background 0.3s, color 0.3s;
}
.light { background: #f5f5f5; color: #000; }
header { padding: 20px; position: relative; }
.logo { width: 70px; }
nav a { margin: 0 10px; color: cyan; text-decoration: none; cursor: pointer; }
nav a:hover { text-decoration: underline; }
#theme-toggle { position: absolute; top: 20px; right: 20px;
  background: none; border: none; color: cyan; font-size: 20px; cursor: pointer; }
.support-grid {
  display: flex; justify-content: center; gap: 15px;
  margin-top: 20px; flex-wrap: wrap;
}
.support-btn {
  padding: 15px 25px; border-radius: 10px; font-weight: bold;
  color: #fff; text-decoration: none; transition: transform 0.2s;
}
.support-btn:hover { transform: scale(1.05); }
.paypal { background: #0070ba; }
.n26 { background: #00e0a1; color: #000; }
.payoneer { background: #ff4800; }
.revolut { background: #0079ff; }
.wise { background: #00b9ff; }

body { background-color: #000; color: #fff; }