document.addEventListener('DOMContentLoaded', function () {
    var userAgent = navigator.userAgent || navigator.vendor || window.opera;
    var appStoreLink = "https://apps.apple.com/vn/app/vbread/id6761356375";
    var playStoreLink = "https://play.google.com/store/apps/details?id=com.vbread.userer";

    // iOS detection
    if (/iPad|iPhone|iPod/.test(userAgent) && !window.MSStream) {
        window.location.href = appStoreLink;
    }
    // Android detection
    else if (/android/i.test(userAgent)) {
        window.location.href = playStoreLink;
    }
    // Desktop detection
    else {
        document.getElementById('desktopContent').style.display = 'block';
    }
});