body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    background: linear-gradient(to right, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
  }
  
  .login-container {
    background: #fff;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    text-align: center;
    width: 100%;
    max-width: 400px;
  }
  
  .login-container h2 {
    margin-bottom: 1.5rem;
    color: #333;
  }
  
  input[type="text"],
  input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    margin: 0.5rem 0;
    border-radius: 8px;
    border: 1px solid #ccc;
  }
  
  button {
    width: 100%;
    padding: 0.75rem;
    border: none;
    background: #ff6a00;
    color: white;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
  }
  
  button:hover {
    background: #ee0979;
  }
  
  p {
    margin-top: 1rem;
    font-size: 0.9rem;
  }
  
  a {
    color: #764ba2;
    text-decoration: none;
  }
  
  nav a.active {
    color: #4CAF50;
    font-weight: bold;
    border-bottom: 2px solid #4CAF50;
  }