document.addEventListener('DOMContentLoaded', () => {
    // Theme toggle functionality
    const themeToggle = document.getElementById('theme-toggle');
    if (themeToggle) {
        themeToggle.addEventListener('click', () => {
            document.documentElement.classList.toggle('dark');
            localStorage.setItem('theme', document.documentElement.classList.contains('dark') ? 'dark' : 'light');
        });
    }

    // 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'
            });
        });
    });
});