Promo-Banner automatisch ausblenden

try {
  var sel = [
    '[aria-label*="Upgrade" i]',
    '[data-testid*="promo" i]',
    '[class*="proPromo" i]'
  ];
  var sweep = function () {
    sel.forEach(function (s) {
      document.querySelectorAll(s).forEach(function (el) {
        if (el && el.style) { el.style.display = 'none'; }
      });
    });
  };
  sweep();
  var mo = new MutationObserver(function () { sweep(); });
  if (document.body) {
    mo.observe(document.body, { childList: true, subtree: true });
  }
} catch (e) {
  console.warn('Canva promo sweep failed:', e);
}