Zeilen mit niedrigem ROAS hervorheben

(function () {
  var MIN_ROAS = 2; // flag rows below this ROAS
  function scan() {
    try {
      var cells = document.querySelectorAll('[role="gridcell"],[role="cell"]');
      cells.forEach(function (c) {
        var lbl = (c.getAttribute('aria-label') || '');
        if (!/roas|return on ad spend/i.test(lbl)) return;
        var m = (c.textContent || '').match(/([\d.,]+)/);
        if (!m) return;
        var n = parseFloat(m[1].replace(/,/g, ''));
        var row = c.closest('[role="row"]');
        if (!row || isNaN(n)) return;
        row.style.background = n < MIN_ROAS ? 'rgba(211,47,47,0.12)' : '';
      });
    } catch (e) {}
  }
  scan();
  setInterval(scan, 2500);
})();