Design System — Global Level (M3 Expressive)

Material 3 Expressive is Google's most advanced design language — physics-based motion, HCT color science, shape morphing, and a full token architecture. These rules make AI-built apps feel professional, personal, and visually unified across every screen.

Token architecture — single source of truth

// ui/theme/tokens/DesignTokens.kt — define once, reference everywhere