.quad-resize{position:fixed;z-index:220;width:8px;cursor:col-resize;touch-action:none;user-select:none;background:transparent}
.quad-resize[hidden]{display:none}
.quad-resize::after{content:'';position:absolute;left:3px;top:calc(50% - 22px);width:2px;height:44px;border-radius:2px;background:var(--xp-cyan,#78f3ff);opacity:.65}
.quad-resize:hover,.quad-resize:focus-visible{background:#78f3ff33;outline:1px solid var(--xp-cyan,#78f3ff);outline-offset:-1px}