(function themeInit() {
  try {
    const html = document.documentElement;
    const select = document.getElementById("theme-select");
    const saved = localStorage.getItem("theme") || "light";
    html.setAttribute("data-theme", saved);
    if (select) {
      select.value = saved;
      select.addEventListener("change", () => {
        const value = select.value;
        html.setAttribute("data-theme", value);
        localStorage.setItem("theme", value);
      });
    }
  } catch (e) {
    // no-op
  }
})();