tElementById('add-tool-btn').addEventListener('click', () => {
                document.getElementById('add-tool-modal').classList.add('visible');
            });
            
            // Add tool modal
            document.querySelectorAll('#add-tool-modal .close-button, #cancel-add-tool').forEach(button => {
                button.addEventListener('click', () => {
                    document.getElementById('add-tool-modal').classList.remove('visible');
                });
            });
            
