@layer base{.app-shell{grid-template:"sidebar header""sidebar main"1fr"sidebar footer"/auto 1fr;height:100%;min-height:0;display:grid}.app-shell-sidebar{grid-area:sidebar;min-height:0;overflow-y:auto}.app-shell-header{grid-area:header;min-width:0}.app-shell-main{grid-area:main;min-width:0;min-height:0;overflow-y:auto}.app-shell-footer{grid-area:footer;min-width:0}}