document.addEventListener("DOMContentLoaded",() =>{const header = document.querySelector("header.store-header");if (header){header.insertAdjacentHTML('beforeend',` `);const popup = document.querySelector(".popup");const overlay = document.querySelector(".popup-overlay");const closeBtn = document.querySelector("#close");if (!sessionStorage.getItem('popupShownThisSession')){popup.style.display = "block";overlay.style.display = "block";sessionStorage.setItem('popupShownThisSession','true');setTimeout(() =>{popup.style.display = "none";overlay.style.display = "none"},20000)}const closePopup = () =>{popup.style.display = "none";overlay.style.display = "none"};closeBtn.addEventListener("click",closePopup);overlay.addEventListener("click",closePopup);popup.addEventListener("click",(e) =>e.stopPropagation())}else{console.error("Popup Error:The header element 'header.store-header' was not found.")}});