(function (root) {
  'use strict';
  const choices = ['auto', 'landscape', 'portrait'];
  const normalize = value => choices.includes(value) ? value : 'auto';
  function rotation(value, width, height) {
    value = normalize(value);
    return value === 'landscape' && width < height ? 90 : value === 'portrait' && width > height ? -90 : 0;
  }
  function coordinates(x, y, rect, angle = 0) {
    if (angle === 90) return { x: y - rect.top, y: rect.right - x, width: rect.height, height: rect.width };
    if (angle === -90) return { x: rect.bottom - y, y: x - rect.left, width: rect.height, height: rect.width };
    return { x: x - rect.left, y: y - rect.top, width: rect.width, height: rect.height };
  }
  function create(options) {
    const { stage, settings, persist, toggle, seek, state } = options;
    let active = false, custom = false, native = false, locked = false, angle = 0, timer, hideTimer;
    const ancestors = [];
    for (let el = stage.parentElement; el && el !== document.body; el = el.parentElement) ancestors.push(el);
    const hud = document.createElement('div'); hud.className = 'fullscreen-hud'; hud.hidden = true;
    hud.innerHTML = '<button type="button" aria-label="Play or pause" title="Play or pause"><svg class="fill" viewBox="0 0 24 24" aria-hidden="true"><path d="M8 5v14l11-7z"/></svg></button><input type="range" min="0" max="1000" value="0" aria-label="Seek video"><button type="button" class="fullscreen-orientation" aria-label="Change fullscreen orientation" title="Change fullscreen orientation"><svg viewBox="0 0 24 24" aria-hidden="true"><path d="M4 8V4h4M20 16v4h-4M4 4l6 6m4 4 6 6M20 8V4h-4M4 16v4h4M20 4l-6 6m-4 4-6 6"/></svg></button><button type="button" aria-label="Exit fullscreen" title="Exit fullscreen"><svg viewBox="0 0 24 24" aria-hidden="true"><path d="M9 4H4v5m0-5 6 6m5 9h5v-5m0 5-6-6"/></svg></button>';
    stage.append(hud);
    const [play, orientation, exit] = hud.querySelectorAll('button'), range = hud.querySelector('input');
    function revealControls() {
      if (!active) return;
      hud.classList.remove('hud-hidden'); clearTimeout(hideTimer);
      hideTimer = setTimeout(() => {
        if (!hud.contains(document.activeElement)) hud.classList.add('hud-hidden');
      }, 3200);
    }
    stage.addEventListener('pointerdown', revealControls, { passive: true });
    stage.addEventListener('pointermove', event => { if (event.pointerType === 'mouse') revealControls(); }, { passive: true });
    hud.addEventListener('focusin', () => { clearTimeout(hideTimer); hud.classList.remove('hud-hidden'); });
    hud.addEventListener('focusout', () => setTimeout(revealControls, 0));
    hud.addEventListener('click', revealControls);
    play.onclick = toggle; exit.onclick = leave;
    function layout() {
      if (!active) return;
      angle = custom ? rotation(settings().fullscreenOrientation, innerWidth, innerHeight) : 0;
      stage.dataset.fullscreenRotation = String(angle);
      orientation.setAttribute('aria-label', `Change fullscreen orientation (currently ${normalize(settings().fullscreenOrientation)})`);
      orientation.title = `Orientation: ${normalize(settings().fullscreenOrientation)}`;
    }
    async function orient() {
      if (locked) { screen.orientation?.unlock?.(); locked = false; }
      const value = normalize(settings().fullscreenOrientation);
      if (!custom && value !== 'auto') {
        try { await screen.orientation.lock(value); locked = true; if (!active) { screen.orientation.unlock(); locked = false; return; } }
        catch { if (!active) return; custom = true; stage.classList.add('orientation-overlay'); }
      }
      layout();
    }
    orientation.onclick = () => { settings().fullscreenOrientation = choices[(choices.indexOf(normalize(settings().fullscreenOrientation)) + 1) % choices.length]; persist(); orient(); };
    range.oninput = () => seek(Number(range.value) / 1000 * (state().duration || 0));
    // Explicit inverse coordinates also work for rotated range controls on WebKit.
    const rangeSeek = event => {
      const point = coordinates(event.clientX, event.clientY, range.getBoundingClientRect(), angle);
      seek(Math.max(0, Math.min(1, point.x / point.width)) * (state().duration || 0));
    };
    range.onpointerdown = event => { event.preventDefault(); range.setPointerCapture(event.pointerId); rangeSeek(event); };
    range.onpointermove = event => { if (range.hasPointerCapture(event.pointerId)) rangeSeek(event); };
    hud.addEventListener('pointerdown', event => event.stopPropagation());
    hud.addEventListener('pointerup', event => event.stopPropagation());
    function cleanup() {
      active = false; custom = false; native = false; angle = 0; clearInterval(timer); clearTimeout(hideTimer);
      ancestors.forEach(el => el.classList.remove('orientation-ancestor'));
      hud.hidden = true; hud.classList.remove('hud-hidden'); stage.classList.remove('orientation-overlay', 'orientation-fullscreen');
      delete stage.dataset.fullscreenRotation; document.body.classList.remove('landscape-fs');
      if (locked) { screen.orientation?.unlock?.(); locked = false; }
    }
    function leave() {
      if (document.fullscreenElement === stage) document.exitFullscreen().catch(() => {});
      cleanup();
    }
    async function enter() {
      if (active) { leave(); return; }
      active = true; ancestors.forEach(el => el.classList.add('orientation-ancestor')); stage.classList.add('orientation-fullscreen'); hud.hidden = false; revealControls();
      document.body.classList.add('landscape-fs');
      try {
        if (!stage.requestFullscreen) throw new Error('Custom fullscreen');
        await stage.requestFullscreen();
        native = true;
      } catch { custom = true; stage.classList.add('orientation-overlay'); }
      if (!active) return;
      await orient();
      if (!active) return;
      timer = setInterval(() => {
        const s = state();
        range.value = String(s.duration ? s.time / s.duration * 1000 : 0);
        play.setAttribute('aria-label', s.paused ? 'Play video' : 'Pause video');
        play.title = s.paused ? 'Play' : 'Pause';
        play.innerHTML = s.paused
          ? '<svg class="fill" viewBox="0 0 24 24" aria-hidden="true"><path d="M8 5v14l11-7z"/></svg>'
          : '<svg class="fill" viewBox="0 0 24 24" aria-hidden="true"><path d="M6 5h4v14H6zm8 0h4v14h-4z"/></svg>';
      }, 250);
    }
    document.addEventListener('fullscreenchange', () => { if (active && !document.fullscreenElement && native) cleanup(); });
    document.addEventListener('keydown', event => { if (active && event.key === 'Escape') leave(); });
    window.addEventListener('resize', layout);
    return { enter, leave, point: event => coordinates(event.clientX, event.clientY, stage.getBoundingClientRect(), angle) };
  }
  const api = { normalize, rotation, coordinates, create };
  if (typeof module !== 'undefined' && module.exports) module.exports = api; else root.FullscreenOrientation = api;
})(globalThis);