When the sidebar is opened, the user can still interact with the document even though some of it is covered. Instead, I would expect the app to behave in one of two ways:
When sidebar is opened, it pushes the document to the right and the document can be interacted with.
When the sidebar is opened, it covers the document, and clicking into the document closes the sidebar
When the sidebar is opened, the user can still interact with the document even though some of it is covered. Instead, I would expect the app to behave in one of two ways: