/* Keep the menu within the visible viewport, including mobile browser chrome. */
.main-sidebar.site-sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    min-height: 0;
    max-height: 100vh;
    max-height: 100dvh;
    overflow: hidden;
}

.site-sidebar > .brand-link {
    flex: 0 0 auto;
}

.main-sidebar.site-sidebar > .sidebar {
    flex: 1 1 auto;
    min-height: 0;
    height: calc(100% - (3.5rem + 1px));
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior-y: contain;
    scrollbar-width: thin;
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

.site-sidebar > .sidebar::-webkit-scrollbar {
    width: 8px;
}

.site-sidebar .os-viewport {
    overscroll-behavior-y: contain;
}