Plinth

Style: near-white sheet on black, cool teal-tinted greys, dark ink, one teal selection accent.

Layout: iOS settings sheet with Cancel/Save nav, a Sidebar/Tabs switch, then stacked cards for colour, alignment and typeface.

Components: swatch grid with checkerboard option, alignment segments, Ag typeface tiles.

Vibe: precise, configurable, designerly — website builders.