body {
      background-color: #f8f9fa;
    }
    .code-inputs {
      display: flex;
      justify-content: center;
      gap: 10px;
    }
    .code-inputs input {
      width: 50px;
      height: 50px;
      font-size: 1.5rem;
      text-align: center;
      border: 1px solid #ccc;
      border-radius: 5px;
    }
    .form-title {
      text-align: center;
      font-weight: bold;
      margin-bottom: 20px;
      font-size: 1.25rem;
    }