document.addEventListener('DOMContentLoaded', () => {
    // Theme switcher functionality
    const themeSwitcher = document.querySelector('#theme-switch');
    if (themeSwitcher) {
        themeSwitcher.addEventListener('click', () => {
            document.documentElement.classList.toggle('dark');
            localStorage.setItem('darkMode', document.documentElement.classList.contains('dark'));
        });
    }

    // Initialize dark mode based on user preference
    if (localStorage.getItem('darkMode') === 'true' || 
        (!localStorage.getItem('darkMode') && window.matchMedia('(prefers-color-scheme: dark)').matches)) {
        document.documentElement.classList.add('dark');
    }

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