(function(){const dots=document.querySelectorAll('.color-dot');const button=document.getElementById('buyNowBtn');let selectedUrl="";</p><p>dots.forEach(dot=>{dot.addEventListener('click',()=>{dots.forEach(d=>d.classList.remove('selected'));dot.classList.add('selected');selectedUrl=dot.getAttribute('data-url');button.disabled=false;button.style.cursor="pointer";});});</p><p>button.addEventListener('click',()=>{if(selectedUrl){window.open(selectedUrl,'_blank');}});})();