body {
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background-color: #f4f4f4;
            margin: 0;
        }
        .login-container {
            background-color: #ffffff;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            width: 100%;
            max-width: 400px;
        }
        .login-container h2 {
            text-align: center;
            color: #333;
            margin-bottom: 20px;
        }
        label {
            font-size: 16px;
            margin-bottom: 8px;
            display: block;
            color: #555;
        }
        input[type="password"] {
            width: 100%;
            padding: 10px;
            margin: 10px 0 20px;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-size: 16px;
        }
        input[type="text"] {
            width: 100%;
            padding: 10px;
            margin: 10px 0 20px;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-size: 16px;
        }

        button {
            width: 100%;
            padding: 10px;
            background-color: #007bff;
            border: none;
            border-radius: 4px;
            font-size: 16px;
            color: white;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        button:hover {
            background-color: #0056b3;
        }
        .error-message {
            color: #e74c3c;
            text-align: center;
            margin-bottom: 15px;
            font-size: 14px;
        }