body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f1f3f6;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  .container {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    width: 300px;
    text-align: center;
  }
  
  input {
    width: 90%;
    padding: 12px;
    margin: 8px 0;
    border: 1px solid #ddd;
    border-radius: 8px;
  }
  
  button {
    background-color: #4a90e2;
    color: white;
    padding: 12px;
    border: none;
    width: 100%;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 10px;
  }
  
  button:hover {
    background-color: #357ab8;
  }
  
  #toggle {
    margin-top: 15px;
    font-size: 0.9em;
  }