.querySelectorAll('.install-tab').forEach(tab => {
            tab.addEventListener('click', function() {
                const tabName = this.dataset.tab;
                
                // Update active tab
                document.querySelectorAll('.install-tab').forEach(t => t.classList.remove('active'));
                this.classList.add('active');
                
                // Update active content
                document.querySelectorAll('.install-content').forEach(c => c.classList.remove('a