Fixed

Clearer team switcher and tab counts

The team name at the top of the page is readable in dark mode, and the counts beside tabs stand out more.

In dark mode, the team name at the top of the page sat on a pale background and was hard to read. It now uses a dark background tinted with the team's colour.

The counts beside tabs such as All, Available and Assigned now use the same colour as the page's main text, dark in light mode and near-white in dark mode, instead of a middle grey.

Asset Tracker, Resource Booking and Time Tracking also no longer show a pale wash at the top of the page in dark mode.