.app-shell{
    display:grid;
    grid-template-columns:280px 1fr;
    min-height:100vh;
    background:var(--background);
}

.sidebar{
    min-height:100vh;
}

.main{
    min-width:0;
    display:flex;
    flex-direction:column;
}

.content{
    padding:32px;
}