Even with cookies and server rendering, you might still have to do something similar if you aim to support a "system" mode that depends on users' os settings.
The only way to query it is with a media query in the front-end.
This is true for a 'system' mode. Unless browsers send maybe a 'prefers' header relating to dark mode in their intial request, which I don't think they do. That would actually be a great thing for browsers to add!
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Even with cookies and server rendering, you might still have to do something similar if you aim to support a "system" mode that depends on users' os settings.
The only way to query it is with a media query in the front-end.
This is true for a 'system' mode. Unless browsers send maybe a 'prefers' header relating to dark mode in their intial request, which I don't think they do. That would actually be a great thing for browsers to add!