fix css references to make suitable for import

src/lib/styles/theme.css

@@ -5,6 +5,8 @@
 @plugin '@tailwindcss/container-queries';
 @plugin 'tailwindcss-animate';
 
+@custom-variant dark (&:where(.dark, .dark *));
+
 @theme {
 	/* Fonts - easily overrideable */
 	--font-*: initial;