(function () {
    try {
      var initTimer;

      // Capture script reference synchronously — this is the ONLY reliable
      // moment. document.currentScript becomes null inside setTimeout/async.
      var _selfScript = document.currentScript || null;

      // Fallback: find the script tag by its known src pattern.
      // The seal is always loaded as:
      if (!_selfScript) {
        var scripts = document.getElementsByTagName("script");
        for (var i = 0; i < scripts.length; i++) {
          if (scripts[i].src && scripts[i].src.indexOf("c2b1372e-57a6-4c1e-b685-f0551351bf79.js") !== -1) {
            _selfScript = scripts[i];
            break;
          }
        }
      }

      // Derive the seal image URL from the script's own src.

      var _sealImageUrl = "";
      if (_selfScript && _selfScript.src) {
        try {
          var scriptOrigin = new URL(_selfScript.src).origin;
          _sealImageUrl = scriptOrigin + "/seal/c2b1372e-57a6-4c1e-b685-f0551351bf79.png";
        } catch (e) {
          // URL constructor not supported (very old browsers) — parse manually.
          var m = _selfScript.src.match(/^(https?:\/\/[^\/]+)/);
          if (m) _sealImageUrl = m[1] + "/seal/c2b1372e-57a6-4c1e-b685-f0551351bf79.png";
        }
      }

      // Final fallback: use the build-time CDN constant.
      if (!_sealImageUrl) {
        _sealImageUrl = "https://seal.gamecheck.cloud/seal/c2b1372e-57a6-4c1e-b685-f0551351bf79.png";
      }

      function runInit() {
        clearTimeout(initTimer);
        initTimer = setTimeout(safeInit, 50);
      }

      function safeInit() {
        try {
          var allowedDomains = ["bc.game"];
          var hostnameParts = window.location.hostname.split(".");
          var domain = hostnameParts.slice(-2).join(".");
          var secondLevelDomain = hostnameParts.slice(-3).join(".");

          if (![domain, secondLevelDomain].some(function(d) { return allowedDomains.indexOf(d) !== -1; })) return;

          var sealContainer = document.getElementById("trust-seal-container");
          if (!sealContainer) return;
          if (document.getElementById("trust-seal-container-a")) return;

          var sealHTML = '<a id="trust-seal-container-a"'
            + ' href="https://gamecheck.tech/seal-scan/c2b1372e-57a6-4c1e-b685-f0551351bf79?referrer=' + encodeURIComponent(window.location.hostname) + '"'
            + ' target="_blank"></a>';

          sealContainer.innerHTML = sealHTML;

          applySealStyle(_sealImageUrl);
        } catch (e) {}
      }

      function applySealStyle(imageUrl) {
        if (document.getElementById("trust-seal-style")) return;
        var style = document.createElement("style");
        style.id = "trust-seal-style";
        style.textContent =
          "#trust-seal-container-a {" +
            "position: relative;" +
            "display: block;" +
            "width: 217.75px;" +
            "height: 64px;" +
            "background-image: url(" + imageUrl + ");" +
            "background-size: cover;" +
            "cursor: pointer;" +
            "transition: transform 0.3s ease-in-out;" +
          "}" +
          "#trust-seal-container-a:hover {" +
            "transform: scale(1.1);" +
          "}";
        document.head.appendChild(style);
      }

      // --- Initial run ---
      runInit();

      // --- SPA URL-change detection ---
      function observeUrlChanges(callback) {
        var oldHref = location.href;

        var check = function () {
          var newHref = location.href;
          if (oldHref !== newHref) {
            oldHref = newHref;
            callback();
          }
        };

        var origPush = history.pushState;
        history.pushState = function () {
          var r = origPush.apply(this, arguments);
          check();
          return r;
        };

        var origReplace = history.replaceState;
        history.replaceState = function () {
          var r = origReplace.apply(this, arguments);
          check();
          return r;
        };

        window.addEventListener("popstate", check);
      }

      observeUrlChanges(runInit);

      // --- DOM mutation watcher ---
      if (typeof MutationObserver !== "undefined" && document.body) {
        new MutationObserver(function () {
          if (!document.getElementById("trust-seal-container-a")) runInit();
        }).observe(document.body, { childList: true, subtree: true });
      }

    } catch (e) {}
  })();