> I wish there was a simpler way to introduce variables - I think the variables > might be a better solution from the stylesheet maintainability point of view, > and to help with supporting light/dark, compact/roomy variants and simple > things like updating the base font size. Doing a different CSS parser is > definitely a much larger project than we can afford, probably. On the other > hand, if it enables programmatic creation of style sheets...
Custom variables would undoubtedly be a great feature. This is orthogonal to media queries, though: at some point, even when using custom variables, you have to ask "the medium" about things like the color scheme or user preferences.