Geometry
Quiet structure: 0 / 4 / 10 / ∞.
0
Square when geometry should disappear.
4px
Controls and compact objects.
10px
Cards, panels and larger surfaces.
Border
1px Horizon at 32% opacity. The same structural token is used on light and dark surfaces.
Elevation
Shadows indicate actual elevation, not ordinary cards: 0 6px 18px, at 8% Night in light mode and 28% black in dark mode.