(function () {
  var cal = document.querySelector(".diary-cal");
  if (!cal) return;

  cal.querySelectorAll(".dropdown > button").forEach(wireDropdown);

  var toggle = document.createElement("button");
  toggle.type = "button";
  toggle.className = "panel-toggle";
  toggle.textContent = "Kalender";
  toggle.setAttribute("aria-expanded", "false");
  toggle.addEventListener("click", function () {
    var open = cal.classList.toggle("is-open");
    toggle.setAttribute("aria-expanded", open ? "true" : "false");
  });

  var main = document.querySelector("main");
  if (!main) return;
  main.parentNode.insertBefore(toggle, main);
  if (window.matchMedia("(max-width: 1100px)").matches) {
    main.parentNode.insertBefore(cal, main);
  }
})();