What CSS changes would you make to implement device-adaptive dark mode in the HN CSS — that is, honoring the light or dark signal given by the browser? That’s m

What CSS changes would you make to implement device-adaptive dark mode in the HN CSS — that is, honoring the light or dark signal given by the browser? That’s more complex than a simple dark mode patch, and with that change defined as diff, it would present a stronger case for your desires being met by backend pref coding.