document.addEventListener("DOMContentLoaded", function () {
  const form = document.querySelector("form");
  if (!form) return;

  const fotosInput = document.createElement("input");
  fotosInput.type = "file";
  fotosInput.name = "fotos";
  fotosInput.multiple = true;
  fotosInput.style.marginBottom = "20px";

  const label = document.createElement("label");
  label.textContent = "Enviar várias fotos adicionais:";
  label.style.display = "block";
  label.style.margin = "20px 0 5px";

  const target = document.querySelector("#id_disponivel"); // qualquer campo existente
  if (target && target.parentNode) {
    target.parentNode.insertBefore(label, target);
    target.parentNode.insertBefore(fotosInput, target);
  }
});