body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #89cff0, #336699);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    color: #fff;
  }
  
  .login-container, .success-container {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    text-align: center;
    max-width: 400px;
    width: 90%;
  }
  
  h1, h2 {
    margin-bottom: 20px;
    color: #333;
  }
  
  p {
    margin-bottom: 20px;
    color: #555;
  }
  
  .input-group {
    display: flex;
    align-items: center;
    background: #f0f0f0;
    margin: 10px 0;
    padding: 10px;
    border-radius: 5px;
  }
  
  .input-group i {
    margin-right: 10px;
    color: #666;
  }
  
  input[type="text"], input[type="password"] {
    flex: 1;
    border: none;
    outline: none;
    background: none;
    font-size: 16px;
    color: #333;
  }
  
  button {
    width: 100%;
    padding: 10px;
    border: none;
    background-color: #336699;
    color: white;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  button i {
    margin-right: 5px;
  }
  
  button:hover {
    background-color: #25557b;
  }