Overlays
Kit v2: the full-viewport fixed layer real pages mount sheets, dialogs, guards and the help drawer into, so they cover the whole window instead of a specimen stage. The React build gets this from Radix Portal.
Lifted from the approved family page at build time; interact with it.
Full-viewport layer for sheets, dialogs, guards and the help drawer on a real page.
A page puts its sheets, dialogs and help drawer in a fixed layer, so they cover the viewport and not the frame. .below-bar keeps the help drawer under the top bar and beside the sidebar.
.k-layer.k-layer.below-bar.k-sheet-b[data-k-toggle] from families/page-primitives/#layer