body {
      background: linear-gradient(120deg, #f3f4f6, #e5e7eb);
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    }

    .glass {
      background: rgba(255, 255, 255, 0.25);
      backdrop-filter: blur(20px);
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .fade-up {
      animation: fadeUp 0.6s ease-out forwards;
      opacity: 0;
      transform: translateY(20px);
    }

    @keyframes fadeUp {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    input:focus, select:focus, textarea:focus {
      outline: none;
      border-color: #6366f1;
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
      background-color: white;
    }

    .btn-3d {
      transition: all 0.3s ease;
      transform: translateY(0);
    }

    .btn-3d:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
    }