body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  .login-container {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 320px;
  }
  
  .login-container h2 {
    text-align: center;
    margin-bottom: 1rem;
  }
  
  label {
    display: block;
    margin-top: 0.5rem;
  }
  
  input {
    width: 100%;
    padding: 0.5rem;
    margin-top: 0.25rem;
    border: 1px solid #ccc;
    border-radius: 6px;
  }
  
  button {
    width: 100%;
    padding: 0.7rem;
    background: #2c6e49;
    color: white;
    border: none;
    border-radius: 6px;
    margin-top: 1rem;
    cursor: pointer;
  }
  
  button:hover {
    background: #1f4d34;
  }
  
  .error {
    color: red;
    text-align: center;
    margin-top: 1rem;
  }