ist.add('dark-mode');
                  toggleButton.classList.add('dark');
                  toggleButton.textContent = 'üåû';
                }

                toggleButton.addEventListener('click', function () {
                  body.classList.toggle('dark-mode');
                  toggleButton.classList.toggle('dark');

                  // Update button icon based on mode
                  if (body.classList.contains('dark-mode')) {
                    toggleButton.textContent = 'üåû';  /