body {
    font-family: Arial, sans-serif;
    background: linear-gradient(to right, #6a11cb, #2575fc);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
  }
  
  .container {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0px 4px 15px rgba(0,0,0,0.2);
    width: 320px;
    text-align: center;
  }
  
  h2 {
    margin-bottom: 20px;
    color: #333;
  }
  
  input {
    width: 90%;
    padding: 10px;
    margin: 10px 0;
    border-radius: 8px;
    border: 1px solid #ccc;
  }
  
  button {
    width: 95%;
    padding: 10px;
    background: #2575fc;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
  }
  
  button:hover {
    background: #1a5ed9;
  }
  
  .toggle-link {
    margin-top: 15px;
    display: block;
    color: #2575fc;
    cursor: pointer;
    text-decoration: underline;
  }
  
  .error {
    color: red;
    font-size: 14px;
    margin-top: 10px;
  }