/*! Fiesta 1.1.0 | MPL-2.0 | https://fiesta.rastrillo.org */
(function () {
  "use strict";
  if (window.fiestaShim) return;
  window.fiestaShim = true;

  var root = document.documentElement, KEY = "fiesta-scheme", SCHEME = "[rst-scheme],.rst-scheme";
  var remembers = root.getAttribute("data-rst-scheme-store") === "local";

  function stored() {
    if (!remembers) return null;
    try { return localStorage.getItem(KEY); } catch (e) { return null; }
  }
  function remember(s) {
    if (!remembers) return;
    try { if (s === "system") localStorage.removeItem(KEY); else localStorage.setItem(KEY, s); } catch (e) {}
  }
  function apply(s) {
    if (s === "system") root.removeAttribute("data-theme"); else root.setAttribute("data-theme", s);
  }
  function mark(m, s) {
    m.querySelectorAll("button").forEach(function (b) {
      var f = b.form, v = f && f.elements.scheme && f.elements.scheme.value;
      if (v === s) b.setAttribute("aria-current", "true"); else b.removeAttribute("aria-current");
    });
  }
  function ready(fn) {
    if (document.readyState === "loading") document.addEventListener("DOMContentLoaded", fn); else fn();
  }

  var kept = root.hasAttribute("data-theme") ? null : stored();
  if (kept === "light" || kept === "dark") {
    apply(kept);
    ready(function () { document.querySelectorAll(SCHEME).forEach(function (m) { mark(m, kept); }); });
  }

  var MENUS = "[rst-dropdown][open],[rst-menu-group][open],[rst-row-menu][open]";
  MENUS += "," + MENUS.replace(/\[(rst[-\w]+)\]/g, ".$1");
  MENUS += ",[rst-shell-topbar] [rst-shell-menu][open],[rst-shell-console~=page] [rst-shell-menu][open],[rst-shell-console~=index] [rst-shell-menu][open]";
  MENUS += ",.rst-shell-topbar .rst-shell__menu[open],.rst-shell-console--page .rst-shell__menu[open],.rst-shell-console--index .rst-shell__menu[open]";
  var TAIL = "[rst-shell-tail],.rst-shell__tail";

  function menuAround(node) {
    var d = node.closest(MENUS), t, s;
    if (d) return d;
    t = node.closest(TAIL);
    d = t && t.previousElementSibling;
    s = d && d.matches(MENUS) && d.querySelector("summary");
    return s && s.getClientRects().length ? d : null;
  }

  function closeMenus(except) {
    var keep = [], m;
    for (m = except && except.closest && menuAround(except); m; m = m.parentElement && menuAround(m.parentElement)) keep.push(m);
    document.querySelectorAll(MENUS).forEach(function (d) {
      if (keep.indexOf(d) < 0 && !(except && d.contains(except))) d.open = false;
    });
  }

  function dismissMenus(e) {
    if (e.type === "click") { closeMenus(e.target); return; }
    if (e.key !== "Escape") return;
    var el = document.activeElement;
    var host = el && el.closest ? menuAround(el) : null;
    while (host && host.parentElement && menuAround(host.parentElement)) {
      host = menuAround(host.parentElement);
    }
    closeMenus(null);
    if (host) {
      var summary = host.querySelector("summary");
      if (summary) summary.focus();
    }
  }

  document.addEventListener("click", dismissMenus, true);
  document.addEventListener("keydown", dismissMenus, true);

  var TRACK = "[rst-switch-track],.rst-switch__track", drag = null, after = null, settling = null, settleT = 0, releasing = false;
  function unsettle() {
    if (settling) settling.removeAttribute("data-rst-settle");
    settling = null;
    clearTimeout(settleT);
  }
  function settle(l) {
    unsettle();
    settling = l;
    l.setAttribute("data-rst-settle", "");
    settleT = setTimeout(unsettle, 300);
  }
  document.addEventListener("change", function (e) { if (settling && !releasing && settling.contains(e.target)) unsettle(); }, true);
  document.addEventListener("pointerdown", function (e) {
    if (drag && e.pointerId !== drag.id) return;
    var t = e.target.closest && e.target.closest(TRACK), l = t && t.closest("[rst-switch],.rst-switch,[rst-tblock-head],.rst-tblock__head"), box = l && l.querySelector("input");
    if (drag) drop({ type: "lost", pointerId: drag.id });
    after = null;
    if (!box || box.matches(":disabled") || e.button) return;
    var r = t.getBoundingClientRect(), max = r.width - r.height;
    drag = { l: l, t: t, box: box, id: e.pointerId, x: e.clientX, max: max, at: box.checked ? max : 0, pos: -1,
      dir: getComputedStyle(t).direction === "rtl" ? -1 : 1 };
  });
  document.addEventListener("pointermove", function (e) {
    var g = drag, d;
    if (!g || e.pointerId !== g.id) return;
    d = (e.clientX - g.x) * g.dir;
    if (g.pos < 0) {
      if (Math.abs(d) < 4) return;
      if (settling === g.l) unsettle();
      g.l.setAttribute("data-rst-drag", "");
      g.t.setPointerCapture(e.pointerId);
    }
    g.pos = Math.min(g.max, Math.max(0, g.at + d));
    d = g.pos / g.max;
    g.t.style.setProperty("--rst-switch-p", d);
    g.t.style.setProperty("--rst-switch-on", d * 100 + "%");
  });
  function drop(e) {
    var g = drag;
    if (!g || e.pointerId !== g.id) return;
    drag = null;
    if (g.pos < 0) return;
    g.l.removeAttribute("data-rst-drag");
    settle(g.l);
    g.t.style.removeProperty("--rst-switch-p");
    g.t.style.removeProperty("--rst-switch-on");
    after = g.l;
    releasing = true;
    if (e.type === "pointerup" && !g.box.matches(":disabled") && g.pos >= g.max / 2 !== g.box.checked) g.box.click();
    releasing = false;
  }
  document.addEventListener("pointerup", drop);
  document.addEventListener("pointercancel", drop);
  document.addEventListener("lostpointercapture", drop);
  document.addEventListener("click", function (e) {
    if (after && after.contains(e.target) && e.target.tagName !== "INPUT") {
      e.preventDefault();
      after = null;
    }
  }, true);

  document.addEventListener("touchstart", function () {}, { passive: true });

  document.addEventListener("submit", function (e) {
    var f = e.target, m = f.closest(SCHEME), s = m && f.elements.scheme && f.elements.scheme.value;
    if (!s) return;
    e.preventDefault();
    if (s !== "light" && s !== "dark") s = "system";
    apply(s);
    land();
    remember(s);
    mark(m, s);
    m.open = false;
    f.dispatchEvent(new CustomEvent("rst-scheme", { bubbles: true, detail: { scheme: s } }));
  }, true);

  function land() {
    if (!document.getAnimations) return;
    document.getAnimations().forEach(function (a) { if (typeof a.transitionProperty === "string") a.cancel(); });
  }

  var osScheme = window.matchMedia && matchMedia("(prefers-color-scheme: dark)");
  if (osScheme) osScheme.onchange = function () { if (!root.hasAttribute("data-theme")) land(); };
})();