Try it
9 × 9Tap either sign, hold to repeat, or drag the number. Escape cancels a scrub.
The interaction. Directional lights acknowledge each step. The number remains readable as gestures accelerate or hit a limit.
One shared language. Permanent dots, selective light handoffs and clean outlined shells. Chalk, Carbon and Ember carry the family across sizes and themes.
Make it yours. The preview and installation use the same source. Pointer, touch and keyboard interactions share the same state model, with system reduced motion respected throughout.