.pt-layer{position:absolute;z-index:4;pointer-events:none;display:none}
.pt-layer.is-on{display:block}
.pt-under-shade,.pt-fold-shade{position:absolute;inset:0}
.pt-flap-wrap{position:absolute;inset:0;filter:drop-shadow(-10px 8px 14px rgba(7,17,31,.38))}
.pt-flap{
  position:absolute;left:0;top:0;width:100%;height:100%;
  transform-origin:0 0;background-color:var(--paper-dark,#E2DFD6);
}