.resize-handle{position:absolute;top:0;right:0;width:5px;height:100%;cursor:col-resize;z-index:20;border-right:1px solid var(--border);transition:background .2s}.resize-handle:hover,.app-container.resizing .resize-handle{background:var(--accent)}.app-container.resizing{-webkit-user-select:none;-moz-user-select:none;user-select:none;cursor:col-resize}