Tier 2Tier 2 · Android: tokens only. This is a stock Material 3 element, coloured by a darkColorScheme built from the token graph. It is not a build instruction.primary → --yellow-solid · surface → --app-bg · outline → --border · error → --red-solid
Top app barTopAppBarstock · do not build
Small at 64dp, medium at 112dp, large at 152dp. The taller variants collapse to the small bar on scroll, which is why their height is fixed in the spec.
Transfers
Small, pushedback arrow plus overflow
Films
Mediumcollapses to small on scroll
small64dp, 22sp title
medium112dp, 24sp
large152dp, 28sp
backarrow glyph, never a text label
overflowa single three-dot menu
surface--app-bg, opaque
Do not. Use a text back label. Android back is a system gesture plus a top-bar arrow, never the previous screen’s title.
Contract: platforms/android/DESIGN.md