ui-polish strict A/B · rest-anchor undercurve breath

Same task A. Old side is the real pre-update output from rest-anchor undercurve seal. New side keeps the same grouped floating field and the same Quiet-centered seal, but lets the lower bowl breathe by a hair so the inner-right lip feels less pinched without reopening toward Studio.

Old · rest-anchor undercurve seal

New · rest-anchor undercurve breath

Borrow evidence used in this wave

Anthropic frontend-design — Choose a clear conceptual direction and execute it with precision. → keep this wave to one narrow refinement.
Apple WWDC25 · Meet Liquid Glass — where the transparent liquid lens can be seen through, to precisely observe the value underneath it., singular floating plane → keep the grouped floating plane readable, but make the undercurve feel a touch less over-clamped.
Apple WWDC25 · Elevate the design of your iPad app — the highlight bends and refracts its underlying elements → home clarity should keep coming from shared-field optical shaping, not a detached active pill.
Apple HIG · Materials — creates a sense of depth, layering, and hierarchy... → this remains a material/layering refinement, not a color/decor wave.
shadcn/ui ToggleGroup — ToggleGroup / ToggleGroupItem → keep one grouped field instead of splitting Quiet into a detached object.