Is global the right way to go? about svelte-themer HOT 2 OPEN

Hey @mdpotter55 👋 thanks for raising this, and glad to hear you're enjoying the library! We can definitely add the variable styles to the wrapper component

\cc @dysfunc thoughts?

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It is only a point of discussion. The more I write things down, the better I see them. My method has its own issues to consider.

There is another way:

1. name a theme 'root' as a requirement (or it will default to the first).
2. apply the 'root' theme variables to ':root' to set the default.
3. All other themes are considered overlays and declared as classes.
4. When a user picks a theme, apply the overlay class to html or body.
5. This also allows an overlay to be used directly as a class instead of having to nest with a control.
6. This method can be accomplished with zero controls or a visually empty one. (perhaps even a preprocessor)
7. This method should also work much better with SSR & SEO and non-js (via svelteKit).

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