document.addEventListener('DOMContentLoaded', () => {
    // Terminal typing effect for some elements
    const terminalElements = document.querySelectorAll('.terminal-effect');
    terminalElements.forEach(el => {
        const text = el.textContent;
        el.textContent = '';
        let i = 0;
        const typing = setInterval(() => {
            if (i < text.length) {
                el.textContent += text.charAt(i);
                i++;
            } else {
                clearInterval(typing);
            }
        }, 50);
    });

    // Dark mode toggle
    const darkModeToggle = document.getElementById('dark-mode-toggle');
    if (darkModeToggle) {
        darkModeToggle.addEventListener('click', () => {
            document.documentElement.classList.toggle('dark');
            localStorage.setItem('darkMode', document.documentElement.classList.contains('dark'));
        });
    }

    // Check for saved dark mode preference
    if (localStorage.getItem('darkMode') === 'true' || 
        (!localStorage.getItem('darkMode') && window.matchMedia('(prefers-color-scheme: dark)').matches)) {
        document.documentElement.classList.add('dark');
    } else {
        document.documentElement.classList.remove('dark');
    }
});