When opening a Doc from within a view (e.g. as a tab inside a List or Folder), the screen ends up with two or three sidebars visible at the same time: the main navigation sidebar, the doc's page tree sidebar, and sometimes the right-side panel. This leaves only a very small portion of the screen dedicated to the actual document content, making the experience feel cluttered and unnecessarily complex.

Suggested improvement: When a Doc (or any content-heavy panel) is opened, automatically collapse the other sidebars into a compact/minimized state. Only one sidebar should be fully expanded at a time. The others should tuck away unless the user explicitly reopens them. This would dramatically improve the usable content area and reduce visual noise, especially on standard-sized screens.

Currently, every time a team member opens a Doc to work on it, most of the screen is wasted on redundant UI chrome instead of the content they actually need to focus on