date visibility of installation guides based on active tab
			function updateInstallationGuides() {
				const activeTab = document.querySelector('.tab-btn.active').getAttribute('data-tab');
				
				// Hide all installation guides first
				manualInstall.style.display = 'none';
				firefoxInstall.style.display = 'none';
				
				// Show appropriate guides based on active tab
				if (activeTab === 'extension') {
					manualInstall.style.display = 'block';
					firefoxInstall.style.display = 'block