body{background:#0f0f23;color:white;font-family:Arial}
.sidebar{width:220px;float:left;background:#1a1a3e;height:100vh;padding:20px}
.sidebar a{display:block;color:#e94560;margin:10px 0}
.main{margin-left:240px;padding:20px}
.card{background:rgba(255,255,255,0.05);backdrop-filter:blur(10px);border-radius:12px;padding:20px;margin:10px 0}
.gold{border:1px solid #FFD700;color:#FFD700}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}