Flutter Adaptive Design System · abdouldotdev bundle Platform-adaptive Flutter design system generating native-quality UI for iOS (Cupertino) and Android (Material 3). Use when: (1) Creating adaptive widgets that render natively per platform, (2) Building Flutter UI that looks like a real iOS or Android app — not a generic cross-platform hybrid, (3) Generating Cupertino/Material widget pairs with consistent API, (4) Implementing adaptive navigation, dialogs, forms, inputs, or layouts, (5) Setting up a Flutter project's design system foundation with platform detection. Triggers: "adaptive widget", "cupertino material", "platform adaptive", "ios android widget", "design system flutter", "native look flutter", "platform widget", "cupertino", "material design", "adaptive UI"