body {
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #4f46e5, #6d28d9);
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: white;
  }
  
  .container {
    text-align: center;
    background: #1f2937;
    padding: 2em;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    width: 90%;
    max-width: 400px;
  }
  
  .form label {
    display: block;
    margin-top: 15px;
  }
  
  select, input {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: none;
    margin-top: 5px;
    margin-bottom: 10px;
  }
  
  button {
    padding: 12px 20px;
    background: #10b981;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    cursor: pointer;
    color: white;
    margin-top: 10px;
  }
  
  button:hover {
    background: #059669;
  }
  
  input:focus {
    outline: 2px solid #10b981;
  }
  
  .hide {
    display: none;
  }
  
  #answer {
    font-size: 1.2em;
    text-align: center;
  }