(function(){
  // DOM Áغñ ÀÌÈÄ ½ÇÇà (Cafe24 ÀϺΠÅÛÇø´ ·Îµù À̽´ ´ëºñ)
  var run = function(){
    var fab = document.querySelector('.sch-fab');
    if(!fab) return;


    // Çʼö ÇÏÀ§ ¿ä¼Ò º¸°­: ¾øÀ¸¸é ¸¸µé¾î¼­ ºÙÀÓ
    var trigger = fab.querySelector('.sch-fab__trigger');
    if(!trigger){
      trigger = document.createElement('button');
      trigger.className = 'sch-fab__trigger';
      trigger.setAttribute('aria-label','ºü¸¥ À̵¿ ¸Þ´º ¿­±â');
      trigger.setAttribute('aria-expanded','false');
      trigger.innerHTML = '<svg width="22" height="22" viewBox="0 0 24 24" aria-hidden="true"><path d="M11 4h2v16h-2zM4 11h16v2H4z"></path></svg>';
      fab.appendChild(trigger);
    }


    var itemsWrap = fab.querySelector('.sch-fab__items');
    if(!itemsWrap){
      itemsWrap = document.createElement('nav');
      itemsWrap.className = 'sch-fab__items';
      itemsWrap.setAttribute('aria-label','ºü¸¥ ä³Î À̵¿');
      fab.appendChild(itemsWrap);
    }


    var overlay = fab.querySelector('.sch-fab__overlay');
    if(!overlay){
      overlay = document.createElement('div');
      overlay.className = 'sch-fab__overlay';
      overlay.setAttribute('aria-hidden','true');
      fab.appendChild(overlay);
    }


    // ¾ÈÀü Åä±Û
    var open = function(){
      fab.classList.add('is-open');
      trigger.setAttribute('aria-expanded','true');
    };
    var close = function(){
      fab.classList.remove('is-open');
      trigger.setAttribute('aria-expanded','false');
    };
    var toggle = function(){
      if(fab.classList.contains('is-open')) close(); else open();
    };


    // À̺¥Æ® ¹ÙÀεù (¸ð¹ÙÀÏ/µ¥½ºÅ©Å¾ ¸ðµÎ)
    var onTrigger = function(e){
      e.preventDefault();
      e.stopPropagation();
      toggle();
    };
    trigger.addEventListener('click', onTrigger);
    trigger.addEventListener('touchstart', onTrigger, {passive:false});


    // ¹Ù±ù Ŭ¸¯ ´Ý±â (closest·Î ÆÇÁ¤ °­È­)
    var onDoc = function(e){
      var t = e.target;
      if(!t.closest('.sch-fab')) close();
    };
    overlay.addEventListener('click', close);
    document.addEventListener('click', onDoc);


    // ESC ´Ý±â
    document.addEventListener('keydown', function(e){
      if(e.key === 'Escape') close();
    });


    // µð¹ö±× ÈÅ (ÇÊ¿ä ½Ã Äֿܼ¡¼­ È£Ãâ)
    window.__schFab = {open, close, toggle};
  };


  if(document.readyState === 'loading'){
    document.addEventListener('DOMContentLoaded', run);
  }else{
    run();
  }
})();