body {
    background: linear-gradient(135deg, #dbeafe, #fef9c3);
    min-height: 100vh;
    font-family: Arial, sans-serif;
  }
  
  .card {
    border-radius: 15px;
  }
  
  #options button {
    display: block;
    width: 100%;
    margin-bottom: 10px;
    text-align: left;
  }
  
  #next-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
  }
  
  .animate {
    animation: pop 1s ease-in-out infinite;
  }
  
  @keyframes pop {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
  }