.shell-region{flex:none;align-items:stretch;min-width:0;display:flex;position:relative}.shell-region-body{min-width:0;transition:width var(--dur-2) var(--ease-out);flex-direction:column;display:flex;position:relative;overflow:hidden}[data-resizing] .shell-region,[data-resizing] .shell-region-body,[data-mounting] .shell-region,[data-mounting] .shell-region-body{transition:none}.shell-region-resize-handle{z-index:2;cursor:col-resize;touch-action:none;width:10px;position:absolute;top:0;bottom:0;left:-5px}.shell-region-resize-handle:after{content:"";background:var(--accent);opacity:0;width:2px;transition:opacity var(--dur-1) var(--ease-out);position:absolute;top:0;bottom:0;left:50%;transform:translate(-50%)}.shell-region-resize-handle:hover:after,.shell-region-resize-handle:focus-visible:after,[data-resizing] .shell-region-resize-handle:after{opacity:1}.shell-region-resize-handle:focus-visible{outline:none}@media (prefers-reduced-motion:reduce){.shell-region-body,.shell-region-resize-handle:after{transition:none}}