document.addEventListener("click", async (e) => {
  const el = e.target.closest("[data-copy]");
  if (!el) return;
  try {
    await navigator.clipboard.writeText(el.dataset.copy);
  } catch (err) {
    console.error("copy failed:", err);
    return;
  }
  const scope = el.closest("[data-copy-scope]") ?? el;
  scope.setAttribute("data-copied", "");
  clearTimeout(scope._copyTimer);
  scope._copyTimer = setTimeout(() => scope.removeAttribute("data-copied"), 1500);
});