// Form handling
        document.getElementById('loginForm').addEventListener('submit', function(e) {
            e.preventDefault();
            const username = document.getElementById('username').value;
            const password = document.getElementById('password').value;
            
            alert(Login berhasil!\nUsername: ${username});
        });

        // Register link handling
        document.getElementById('registerLink').addEventListener('click', function(e) {
            e.preventDefault();
            alert('Halaman Register akan segera dibuat!');
        });