document.addEventListener('DOMContentLoaded', function() {
    // Initialize tooltips if needed
    const tooltipTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="tooltip"]'));
    
    tooltipTriggerList.map(function (tooltipTriggerEl) {
        return new bootstrap.Tooltip(tooltipTriggerEl);
    });

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

    // Auto-save demo (for exam interface)
    if (document.getElementById('exam-interface')) {
        setInterval(function() {
            console.log('Auto-saving exam progress...');
            // In a real implementation, this would save to local storage or API
        }, 10000); // Every 10 seconds
    }
});