body {
    background-color: #121212;
    color: #ffffff;
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
  }
  
  .container {
    background-color: #1e1e1e;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 400px;
    text-align: center;
  }
  
  h1 {
    font-size: 28px;
    font-weight: 700;
    color: #6200ee;
    margin-bottom: 20px;
  }
  
  label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
  }
  
  input {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    border: none;
    border-radius: 5px;
    background-color: #2a2a2a;
    color: #ffffff;
    font-size: 16px;
  }
  
  input:focus {
    outline: 2px solid #6200ee;
  }
  
  button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 5px;
    background-color: #6200ee;
    color: #ffffff;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  button:disabled {
    background-color: #3700b3;
    cursor: not-allowed;
  }
  
  .loading {
    display: none;
    border: 4px solid #ffffff;
    border-radius: 50%;
    border-top: 4px solid #6200ee;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
  
  .message {
    margin-top: 20px;
    font-size: 14px;
  }