// Main application script
document.addEventListener('DOMContentLoaded', () => {
    // Initialize tooltips for video duration icons
    const tooltipTriggers = document.querySelectorAll('[data-tooltip-target]');
    
    tooltipTriggers.forEach(trigger => {
        trigger.addEventListener('mouseenter', () => {
            const tooltipId = trigger.getAttribute('data-tooltip-target');
            const tooltip = document.getElementById(tooltipId);
            tooltip.classList.remove('hidden');
        });
        
        trigger.addEventListener('mouseleave', () => {
            const tooltipId = trigger.getAttribute('data-tooltip-target');
            const tooltip = document.getElementById(tooltipId);
            tooltip.classList.add('hidden');
        });
    });

    // Smooth scroll for anchor links
    document.querySelectorAll('a[href^="#"]').forEach(anchor => {
        anchor.addEventListener('click', function(e) {
            e.preventDefault();
            const targetId = this.getAttribute('href');
            if (targetId === '#') return;
            
            const targetElement = document.querySelector(targetId);
            if (targetElement) {
                targetElement.scrollIntoView({
                    behavior: 'smooth'
                });
            }
        });
    });

    // Animate cards when they come into view
    const observer = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                entry.target.classList.add('animate-fade-in');
                observer.unobserve(entry.target);
            }
        });
    }, { threshold: 0.1 });

    document.querySelectorAll('.video-card, .category-section').forEach(card => {
        observer.observe(card);
    });
});