.code-submit {
    margin-top: 12px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: bold;
    color: white;
    background-color: #3399ff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  .code-submit:hover {
    background-color: #2277cc;
  }
  
  .code-error {
    color: red;
    margin-top: 10px;
    font-size: 0.95rem;
  }