body {
    font-family: system-ui, sans-serif;
    background: #f7f7f7;
    color: #333;
    text-align: center;
    padding: 2rem;
  }
  
  .password-box {
    font-size: 2rem;
    font-weight: bold;
    margin: 1rem auto;
    background: #fff;
    border: 2px dashed #333;
    padding: 1rem 2rem;
    display: inline-block;
    border-radius: 8px;
  }
  
  .caption {
    font-size: 0.9rem;
    color: #666;
  }