function age_warning_video_shortcode() {
    ob_start();
    ?>
    <!-- 18+ warning -->
    <div id="ageWarning" style="text-align:center; margin-bottom:20px;">
        <p style="color:red; font-weight:bold; font-size:18px;">
            ⚠️ 18+ контент
        </p>
    </div>

    <!-- Button -->
    <div id="playBtnWrap" style="text-align:center; margin-bottom:20px;">
        <button id="playVideoBtn"
                style="padding:15px 30px; font-size:18px; cursor:pointer;">
            Энд дарж үзнэ үү
        </button>
    </div>

    <!-- Video (hidden first) -->
    <div id="videoContainer" style="display:none;">
        <div style="position:relative;padding-top:56.25%;">
            <iframe
                src="https://iframe.mediadelivery.net/embed/584566/6136d8b2-64fe-437f-8226-9b3d511937f1?autoplay=true&loop=false&muted=false&preload=true&responsive=true"
                loading="lazy"
                style="border:0;position:absolute;top:0;height:100%;width:100%;"
                allow="accelerometer;gyroscope;autoplay;encrypted-media;picture-in-picture;"
                allowfullscreen="true">
            </iframe>
        </div>
    </div>

    <script>
        document.addEventListener("DOMContentLoaded", function () {
            var btn = document.getElementById("playVideoBtn");
            if (!btn) return;

            btn.addEventListener("click", function () {
                document.getElementById("ageWarning").style.display = "none";
                document.getElementById("playB