(function () {
  var MAX_TRIES = 80;
  var RETRY_INTERVAL = 100;

  function qa(sel, root) {
    return Array.prototype.slice.call((root || document).querySelectorAll(sel));
  }

  function normalize(text) {
    return (text || '').replace(/s+/g, ' ').trim().toLowerCase();
  }

  function collectLabels() {
    var markers = qa('[data-basetemplate-remove-nav-label]');
    var labels = [];
    for (var i = 0; i < markers.length; i++) {
      var label = markers[i].getAttribute('data-basetemplate-remove-nav-label');
      if (label) labels.push(normalize(label));
    }
    return labels;
  }

  function build() {
    var labels = collectLabels();
    if (labels.length === 0) return true;

    var navContainer = document.querySelector('.menubg .navbar-nav');
    if (!navContainer) return false;

    var items = qa(':scope > li', navContainer);
    for (var i = 0; i < items.length; i++) {
      var li = items[i];
      var a = li.querySelector(':scope > a');
      var text = normalize(a ? a.textContent : li.textContent);
      if (labels.indexOf(text) !== -1) {
        li.remove();
      }
    }

    return true;
  }

  function runWithRetry(fn, maxTries, interval) {
    var tries = 0;
    var t = setInterval(function () {
      tries++;
      var done = fn();
      if (done || tries >= maxTries) clearInterval(t);
    }, interval);
  }

  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', function () {
      runWithRetry(build, MAX_TRIES, RETRY_INTERVAL);
    });
  } else {
    runWithRetry(build, MAX_TRIES, RETRY_INTERVAL);
  }
})();