One catalogue layout - sidebar, header, page heading and quick view - in every arrangement it needs to hold.
Default
Sidebar, search and cart in one header, page heading, product grid.
Collapsed sidebar
The sidebar folded to its icon rail; everything else follows.
Quick view
A product's quick view opens centred over the page.
Breadcrumb and tabs
Breadcrumb above the heading, tabs below it.
Filter rail
A filter rail sits beside the results.
Fixed-height dashboard
Fixed-height frame; the table scrolls inside the column.
No sidebar
Checkout without the sidebar, keeping the header.
Empty
An empty saves list inside the shell.
Loading
Skeleton cards while results load.
Phone
Menu, search and cart in the phone's app bar.
Dark
The default frame in dark mode.