/* roulang page: index */
:root {
      --bg-dark: #0F1115;
      --bg-card: #1F242D;
      --primary: #00E599;
      --primary-glow: rgba(0, 229, 153, 0.3);
      --text-main: #FFFFFF;
      --text-muted: #94A3B8;
      --border-subtle: rgba(255, 255, 255, 0.08);
    }
    
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      overflow-x: hidden;
    }
    
    .grid-pattern {
      background-size: 32px 32px;
      background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    }
    
    .btn-glow:hover {
      box-shadow: 0 0 25px var(--primary-glow);
      transform: translateY(-2px);
    }
    
    .card-border {
      border: 1px solid var(--border-subtle);
      transition: all 0.3s ease;
    }
    
    .card-border:hover {
      border-color: rgba(0, 229, 153, 0.4);
      transform: translateY(-4px);
    }

    details > summary {
      list-style: none;
    }
    details > summary::-webkit-details-marker {
      display: none;
    }