document.addEventListener('DOMContentLoaded', () => {
    // Dark mode toggle
    const darkModeToggle = document.getElementById('darkModeToggle');
    const html = document.documentElement;
    
    if (localStorage.getItem('darkMode') === 'true') {
        html.classList.add('dark');
        darkModeToggle.checked = true;
    }

    darkModeToggle.addEventListener('change', () => {
        if (darkModeToggle.checked) {
            html.classList.add('dark');
            localStorage.setItem('darkMode', 'true');
        } else {
            html.classList.remove('dark');
            localStorage.setItem('darkMode', 'false');
        }
    });

    // Smooth scrolling for anchor links
    document.querySelectorAll('a[href^="#"]').forEach(anchor => {
        anchor.addEventListener('click', function (e) {
            e.preventDefault();
            document.querySelector(this.getAttribute('href')).scrollIntoView({
                behavior: 'smooth'
            });
        });
    });
});