('DOMContentLoaded', function() {
            // Simulate drop zone functionality
            const dropZone = document.querySelector('.drop-zone');
            
            if (dropZone) {
                dropZone.addEventListener('dragover', function(e) {
                    e.preventDefault();
                    this.classList.add('active');
                });
                
                dropZone.addEventListener('dragleave', function() {
                    this.classList.remove('active');
      