Community-maintained principles reviewed before publication and retrieved as Agent design constraints.
Section Rhythm Variation turns a frequent interface judgment into an executable constraint before generation.
Long pages need variation in density, alignment, media ratio, and whitespace without changing the design system.84%Visual Foundationsmodules / rhythmRepeated modules reduce cognitive cost but need hierarchy and rhythm to avoid monotony.
Same structures suit same tasks; variation should come from content priority rather than random styling.82%Visual Foundationsspacing / rhythmA small repeatable spacing scale makes pages calm, predictable, and less improvised.
Spacing should express structural relationships, not item-by-item guesswork.82%