document.addEventListener("DOMContentLoaded", function() {
const youtubeIframes = document.querySelectorAll('iframe[src*="youtube.com"], iframe[src*="youtu.be"]');
youtubeIframes.forEach(function(iframe) {
const parent = iframe.parentElement;
if (!parent.classList.contains('youtube-container')) {
const wrapper = document.createElement('div');
wrapper.classList.add('youtube-container');
iframe.parentNode.insertBefore(wrapper, iframe);
wrapper.appendChild(iframe);
}
});
});