.container {
    padding: 20px;
    border-radius: 8px;
    background-color: #f8f9fa;
  }
  
  .generateButton {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 6px;
    background-color: #1890ff;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
  }
  
  .generateButton:hover {
    background-color: #40a9ff;
  }
  
  .generateButton:disabled {
    background-color: #d9d9d9;
    cursor: not-allowed;
  }
  
  .codeDisplay {
    text-align: center;
  }
  
  .codeWrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 16px 0;
  }
  
  .code {
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 2px;
    color: #1890ff;
    padding: 8px 16px;
    background-color: #e6f7ff;
    border-radius: 4px;
  }
  
  .copyButton {
    border: none;
    background: none;
    cursor: pointer;
    color: #1890ff;
    font-size: 18px;
    padding: 4px;
  }
  
  .expireInfo {
    color: #666;
    margin: 8px 0;
  }
  
  .hint {
    color: #ff4d4f;
    margin: 8px 0;
    font-size: 14px;
  }