.glass-card {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    }
    .glass-card:hover {
      background: rgba(255, 255, 255, 0.15);
      transform: translateY(-2px);
      box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.5);
    }
    body {
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      min-height: 100vh;
    }
    .tutorial-card {
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: 16px;
      padding: 24px;
      margin-bottom: 24px;
      transition: all 0.3s ease;
    }
    .tutorial-card:hover {
      background: rgba(255, 255, 255, 0.12);
      transform: translateY(-3px);
      box-shadow: 0 15px 35px rgba(31, 38, 135, 0.4);
    }
    .example-box {
      background: linear-gradient(135deg, rgba(96, 165, 250, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
      border: 1px solid rgba(96, 165, 250, 0.3);
      border-radius: 12px;
      padding: 16px;
      margin: 16px 0;
    }
    .tip-box {
      background: linear-gradient(135deg, rgba(34, 197, 94, 0.2) 0%, rgba(59, 130, 246, 0.2) 100%);
      border: 1px solid rgba(34, 197, 94, 0.3);
      border-radius: 12px;
      padding: 16px;
      margin: 16px 0;
    }