I knew about that - what I meant was the ability to easily switch between light/dark modes per page - without having to go deep into settings and change that globally.
Firefox’ Dark Reader add-on does that very well. It can be configured either always On (similarly to “whitelisting”) or always Off (similarly to “blacklisting”).
Bromite, on the other hand, implemented a much simpler, yet effective solution (see enclosed screenshots). If dark mode is enabled in settings (similarly to Brave’s), a new dark-theme option with an on/off check mark is shown in the main menu which provides an option for each page to be left in dark mode (check mark left enabled) or switch back to original view (check mark disabled). What makes it even more useful, Bromite remembers the choice and automatically applies it next time the same page gets reloaded.
Back to Brave, dark mode is currently implemented globally, which makes it awkward/impractical to switch back and forth per visited page.
Lastly, in case anyone wanders why the need, I switch to dark mode when I read longer articles with no heavy graphics (easy on eyes) and back to original view for most of the rest of the browsing (no weird rendering). It works very well on both above-mentioned browsers and I don’t see why say, Bromite’s approach, couldn’t be easily implemented on Brave.