Color Revolution

>All default colors should be generated from the accent color using relative color syntax (lch(from)).
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>For light and dark themes, use the light-dark() function instead of media queries.
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>Headline feature for V2.
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>Prototype implementation in feat-relative-colors git branch, needs aesthetic polishing and a detailed map of the API breakage.
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>Problem: CSS variables seem to be call-by-value rather than call-by-name, so if a child element changes accent color, the other colors don't change to match. The prototype works around this by setting the relative color variables on the `*` selector, recalculating them on every element. This works, but makes it fiddly to override the formulas and it's probably slow. Possible solution with `@container style()` queries?
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>Thought: The fact that a colorway can be defined from a single color effectively makes colorways obsolete. - [Missing Roadmap](https://cloud.dz4k.dev/s/mznkdLLiLnf27HE)

More discussion in the [Color Revolution Discord thread](https://discord.com/channels/725789699527933952/1326380116325957642)