SCSS - 7-1 architecture
Recommended for teams. Your tokens drive everything - change a custom property and the whole system re-themes.
cd my-design-system
npm install # sass + utopia-core-scss
npm run build:css # → dist/my-design-system.min.css
npm run watch:css # rebuild on save
# Or import into existing SCSS
@use 'my-design-system/main' as *;Abstracts hold tokens: _colours.scss (HSL + dark), _typography.scss (clamp scales), _spacing.scss, _effects.scss, _fonts.scss. See Tokens and inside the ZIP.