customizing variables generated by light-dark transform

[mayank99]

The light-dark() transform generates these variables:

--lightningcss-light: initial;
--lightningcss-dark: ;

As a library author, I want control over the variable names exposed in my compiled stylesheet. Especially when applications might already be using lightningcss themselves for the final bundle.

Would it be possible to allow changing the prefix?

--__lib-internal-light: initial;
--__lib-internal-dark: ;

If not out-of-the-box, then maybe through a custom transform?