document.addEventListener("DOMContentLoaded", function () {
  const hideAgeFields = () => {
    const age14 = document.getElementById("elemID11381");
    const age16 = document.getElementById("elemID11382");

    if (age14) age14.style.display = "none";
    if (age16) age16.style.display = "none";
  };

  const applyLogic = () => {
    const select = document.getElementById("sel11380");
    const age14 = document.getElementById("elemID11381");
    const age16 = document.getElementById("elemID11382");

    if (!select || !age14 || !age16) return;

    select.addEventListener("change", () => {
      const val = select.value.trim();
      if (val === "פסח 2025") {
        age14.style.display = "none";
        age16.style.display = "inline-block";
      } else if (val !== "") {
        age14.style.display = "inline-block";
        age16.style.display = "none";
      } else {
        age14.style.display = "none";
        age16.style.display = "none";
      }
    });

    // הרצה ראשונית במידה וכבר נבחר ערך
    select.dispatchEvent(new Event("change"));
  };

  const observer = new MutationObserver(() => {
    const keytana = document.getElementById("sel11380");
    const age14 = document.getElementById("elemID11381");
    const age16 = document.getElementById("elemID11382");

    if (keytana && age14 && age16) {
      hideAgeFields();
      applyLogic();
      observer.disconnect();
    }
  });

  observer.observe(document.body, { childList: true, subtree: true });
});