export async function copyToClipboard(text: string): Promise<boolean> {
  try {
    if (typeof navigator !== "undefined" && navigator.clipboard?.writeText) {
      await navigator.clipboard.writeText(text);
      return true;
    }
  } catch {
    // fall through
  }
  try {
    const el = document.createElement("textarea");
    el.value = text;
    el.style.position = "fixed";
    el.style.left = "-9999px";
    el.style.top = "0";
    el.setAttribute("readonly", "");
    document.body.appendChild(el);
    el.select();
    el.setSelectionRange(0, text.length);
    const ok = document.execCommand("copy");
    document.body.removeChild(el);
    return ok;
  } catch {
    return false;
  }
}