A native light/dark theme for android 11+

[foldfree]

Feature request

This feature request comes in 3 parts:

1. native light/dark theme toggle in the app (dark theme = on, off, follow system)
2. dark themes have accent colors with lighter hue, less saturation for better legibility
3. dynamic color-scheme implementation, aka "Monet engine" "material you" for android12+ systems.

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1
Since Android 11, there is the possibility to have the dark theme activated natively instead of a per app toggle.
Would be nice to have it implemented in Odyssey for a more native experience.
The dark theme of Odyssey could then eventually follow the overall system settings for android 11 forward.
2
The current dark theme implementation could benefit from a refresh.
As of today, only the background color change from white to dark grey/black but not the other tones.
The accent and secondary color would benefit to have a lighter, desatured tone in dark mode for a more legible contrast. It is part of the guideline of android design for dark themes to adjust the colors in dark mode that way.

3
Since Android 12, there is a theme engine in Android that pick the colors automatically according to the wallpaper.
see this link for more info

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Overall I believe this feature request would match well with Odyssey's description:

"we try to follow Material design guidelines as close as possible"

That's it, thank you for reading my request, I love your app!