Sidebar in wrong place

The listings appear too wide where the sidebar go down the page when the theme compatibility is disable. When I enable the theme compatibility the listing does not show in grid, no sidebar shown and no sorting shown. Can I know how to make the sidebar go inline with theme compatibility disable? Or can I adjust the layout of the listing page while enable theme? I’m using Astra theme.

Thank you.

The page I need help with: [log in to see the link]