# GitHub Copilot Instructions — Gentelella v4 Admin dashboard template (`4.0.0`) by Colorlib. 58 server-rendered HTML pages in `production/`, built with **Vite 8** (Rolldown). **Vanilla ES2022**, no Bootstrap, no jQuery, no SPA framework. SCSS only. Heavyweight deps — **ECharts 6**, **DataTables.net 2**, **Leaflet 1.9** — are lazy-imported per page. Full reference: `CLAUDE.md`. ## Hard rules - **Vanilla DOM only.** `querySelector`, `classList`, `addEventListener`. No jQuery, no SPA framework. v4's pitch is "vanilla and small." - **Single entry**: `src/main-v4.js`. Page-specific modules are lazy-imported inside it, guarded by DOM presence. Don't add `