// Theme toggle functionality
document.addEventListener('DOMContentLoaded', () => {
    const themeToggle = document.getElementById('theme-toggle');
    const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
    const storedTheme = localStorage.getItem('theme');
    
    // Set initial theme
    if (storedTheme === 'dark' || (!storedTheme && prefersDark)) {
        document.documentElement.classList.add('dark');
        if (themeToggle) themeToggle.checked = true;
    }
    
    // Theme toggle handler
    if (themeToggle) {
        themeToggle.addEventListener('change', () => {
            if (themeToggle.checked) {
                document.documentElement.classList.add('dark');
                localStorage.setItem('theme', 'dark');
            } else {
                document.documentElement.classList.remove('dark');
                localStorage.setItem('theme', 'light');
            }
        });
    }
    
    // Initialize tooltips
    const tooltipTriggers = document.querySelectorAll('[data-tooltip]');
    tooltipTriggers.forEach(trigger => {
        new bootstrap.Tooltip(trigger);
    });
});