function toggleMenu() {
  const menu = document.getElementById('sidemenu');  

const toggleIcon = document.querySelector ('toggle-menu');

const isMenuVisible = menu.classList.conatins('show-menu');

if (isMenuVisible) {
 menu.classList.remove('show-menu');{
else{
 menu.classList.add('show-menu');

toggleIcon.classList.toggle('rotate');


document.addEventListener('DOMContentLoaded', () => {
  const toggleIcon = document.querySelector('.toggle-menu');

  if (toggleIcon) {
    toggleIcon.addEventListener('click', toggleMenu);
  } else {
    console.error('Element with class "toggle-menu" not found.');
  }
});