this.updateTargetDimensions();this.finishPositioning();if(this.layered){this.layer.addElement(this.target);this.layer.opened=this.opened}}},renderOpened:function(){this.notifyResize();vartransition=this.getTransition();if(transition){transition.go(this.target,{opened:this.opened})}else{this.transitionend()}this.renderBackdropOpened()},transitionend:function(e){if(e&&e.target!==this.target){return}this.transitioning=false;if(!this.opened){this.resetTargetDimensions();this.target.style.display="none";this.completeBackdrop();removeOverlay(this);if(this.layered){if(!currentOverlay()){this.layer.opened=this.opened}this.layer.removeElement(this.target)}}this.fire("core-overlay-"+(this.opened?"open":"close")+"-completed");this.applyFocus()},prepareBackdrop:function(){if(this.backdrop&&this.opened){if(!this.scrim.parentNode){document.body.appendChild(this.scrim);this.scrim.style.zIndex=currentOverlayZ()-1}trackBackdrop(this)}},renderBackdropOpened:function(){if(this.backdrop&&getBackdrops().length<2){this.scrim.classList.toggle("core-opened",this.opened)}},completeBackdrop:function(){if(this.backdrop){trackBackdrop(this);if(getBackdrops().length===0){this.scrim.parentNode.removeChild(this.scrim)}}},preparePositioning:function(){this.target.style.transition=this.target.style.webkitTransition="none";this.target.style.transform=this.target.style.webkitTransform="none";this.target.style.display=""},discoverDimensions:function(){if(this.dimensions){return}vartarget=getComputedStyle(this.target);varsizer=getComputedStyle(this.sizingTarget);this.dimensions={position:{v:target.top!=="auto"?"top":target.bottom!=="auto"?"bottom":null,h:target.left!=="auto"?"left":target.right!=="auto"?"right":null,css:target.position},size:{v:sizer.maxHeight!=="none",h:sizer.maxWidth!=="none"},margin:{top:parseInt(target.marginTop)||0,right:parseInt(target.marginRight)||0,bottom:parseInt(target.marginBottom)||0,left:parseInt(target.marginLeft)||0}}},finishPositioning:function(target){this.target.style.display="none";this.target.style.transform=this.target.style.webkitTransform="";this.target.offsetWidth;this.target.style.transition=this.target.style.webkitTransition=""},getTransition:function(name){returnthis.meta.byId(name||this.transition)},getFocusNode:function(){returnthis.target.querySelector("[autofocus]")||this.target},applyFocus:function(){varfocusNode=this.getFocusNode();if(this.opened){if(!this.autoFocusDisabled){focusNode.focus()}}else{focusNode.blur();if(currentOverlay()==this){console.warn("Current core-overlay is attempting to focus itself as next! (bug)")}else{focusOverlay()}}},positionTarget:function(){this.fire("core-overlay-position",{target:this.target,sizingTarget:this.sizingTarget,opened:this.opened});if(!this.dimensions.position.v){this.target.style.top="0px"}if(!this.dimensions.position.h){this.target.style.left="0px"}},updateTargetDimensions:function(){this.sizeTarget();this.repositionTarget()},sizeTarget:function(){this.sizingTarget.style.boxSizing="border-box";vardims=this.dimensions;varrect=this.target.getBoundingClientRect();if(!dims.size.v){this.sizeDimension(rect,dims.position.v,"top","bottom","Height")}if(!dims.size.h){this.sizeDimension(rect,dims.position.h,"left","right","Width")}},sizeDimension:function(rect,positionedBy,start,end,extent){vardims=this.dimensions;varflip=positionedBy===end;varm=flip?start:end;varws=window["inner"+extent];varo=dims.margin[m]+(flip?ws-rect[end]:rect[start]);varoffset="offset"+extent;varo2=this.target[offset]-this.sizingTarget[offset];this.sizingTarget.style["max"+extent]=ws-o-o2+"px"},repositionTarget:function(){if(this.dimensions.position.css!=="fixed"){return}if(!this.dimensions.position.v){vart=(window.innerHeight-this.target.offsetHeight)/2;t-=this.dimensions.margin.top;this.target.style.top=t+"px"}if(!this.dimensions.position.h){varl=(window.innerWidth-this.target.offsetWidth)/2;l-=this.dimensions.margin.left;this.target.style.left=l+"px"}},resetTargetDimensions:function(){if(!this.dimensions||!this.dimensions.size.v){this.sizingTarget.style.maxHeight="";this.target.st