body {
    font-family: Arial, sans-serif;
    background: linear-gradient(90deg, #e3ffe7 0%, #d9e7ff 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  .login-container {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 300px;
  }
  h2 {
    text-align: center;
    margin-bottom: 20px;
  }
  input[type="email"],
  input[type="password"] {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 8px;
  }
  .error {
    color: red;
    font-size: 0.9em;
  }
  button {
    width: 100%;
    padding: 10px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
  }
  button:hover {
    background: #2980b9;
  }