Frontend: React 19 (with JavaScript)
Build tool: Vite 5 (fast dev server, optimized production builds)
Styling: Tailwind CSS
Animations: Framer Motion
Audio: HTML5 Audio API (with audio pooling for click sounds)
Tests: Jest + React Testing Library (≥80% coverage of code)
Style: Airbnb JavaScript Style Guide (long-line limit not enforced)
Lint: ESLint (with Airbnb config, ignore line length)
Format: Prettier (line-length 120)