`;const open=s.querySelector('.open'),panel=s.querySelector('.panel'),frame=s.querySelector('iframe');const toggle=on=>{if(on&&!frame.src)frame.src=base+'chat.html?page='+encodeURIComponent(location.origin+location.pathname);panel.style.display=on?'block':'none';open.setAttribute('aria-expanded',String(on));if(!on)open.focus()};open.onclick=()=>toggle(panel.style.display!=='block');s.querySelector('.close').onclick=()=>toggle(false);s.addEventListener('keydown',e=>{if(e.key==='Escape')toggle(false)});})();