This is the guide you want when someone asks you to "make it look better" and you're staring at a mess of divs. It's brutally practical: start with the feature itself, not the navbar. Work in grayscale first. Define spacing and type scales immediately instead of eyeballing every margin. The references cover hierarchy, layout, typography, color systems, and polish with specific tactical rules rather than vague design advice. The core insight is that good UI is about systems and constraints, not artistic talent. If you find yourself bikeshedding between twelve shades of blue or adding random padding values, this will snap you back to a disciplined workflow.
npx skills add https://github.com/lovropodobnik/refactoring-ui-skill --skill ui-refactor