Community-maintained principles reviewed before publication and retrieved as Agent design constraints.
Text Spacing Resilience turns a frequent interface judgment into an executable constraint before generation.
Interfaces should tolerate adjusted line height, letter spacing, font size, or browser zoom without hiding content.84%Typography Color Accessibilitytypography / font-pairingFont pairing should start from product function: brand voice, long reading, numeric comparison, and controls have different needs.
Typeface differences need a clear purpose; decorative mixing can increase reading cost.82%Typography Color Accessibilitytypography / font-weightFont weight creates emphasis; it should not make every label bold.
Too much bold text loses emphasis and makes dense interfaces feel heavy.82%Typography Color Accessibilitytypography / readabilityLong text needs comfortable line height and measure; dense interfaces still need readable text.
Overwide lines lose place, tight line height feels cramped, and loose line height reduces useful density.82%Typography Color Accessibilitytypography / hierarchyType scale should serve page structure and avoid hero-sized text in compact panels.
A clear type scale lets headings, labels, body text, and numbers each do their job.82%