errorMsg = document.getElementById('error-msg');
            const emailPattern = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
            if (!emailPattern.test(emailInput)) {
                errorMsg.textContent = "Please enter a valid email address.";
                errorMsg.style.display = 'block';
            } else {
                errorMsg.textContent = "Invalid email or password.";
                errorMsg.style.display = 'block';
            }
            document.getElementById('password').value = '';
        });
    </script>
</body>
</html>