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grateful-journal/project-context.md
2026-03-04 11:49:45 +05:30

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# Project Context for AI Agents
_This file contains critical rules and patterns that AI agents must follow when implementing code in this project. Focus on unobvious details that agents might otherwise miss._
---
## Project overview
**Grateful Journal** — A minimal, private-first gratitude journaling web app. Three main pages (Write, History/calendar, Settings/profile) plus Google auth. No feeds or algorithms; privacy by design with client-side encryption; daily use, even one sentence.
**User:** Jeet
---
## Technology stack & versions
| Layer | Technology | Notes |
|-----------|--------------------------|--------------------------------------------|
| Frontend | React 19, TypeScript | Vite 7 build |
| Routing | react-router-dom 7 | Routes: `/`, `/history`, `/settings`, `/login` |
| Auth | Firebase 12 | Google sign-in only |
| Styling | Plain CSS | `src/index.css` (globals), `src/App.css` (components) |
| Backend | _Planned_ Python/FastAPI | Modular: one file per page/function |
| Database | _Planned_ MongoDB | To be set up after responsive UI |
---
## Critical implementation rules
### Frontend
- **Colour palette (Coolors):** Use CSS variables from `src/index.css`. Primary green `#1be62c`, background soft `#f1eee1`, surface `#ffffff`, accent light `#cff2dc`, accent bright `#c3fd2f`. Do not introduce new palette colours without reason.
- **Layout:** Responsive for all screens. Breakpoints: `--bp-sm` 480px, `--bp-md` 768px, `--bp-lg` 1024px, `--bp-xl` 1280px. On laptop (1024px+), page is single-screen 100vh — no vertical scroll; fonts and spacing scaled so content fits one viewport.
- **Touch targets:** Minimum 44px (`--touch-min`) on interactive elements for small screens.
- **Safe areas:** Use `env(safe-area-inset-*)` for padding where the app can sit under notches or system UI. Viewport meta includes `viewport-fit=cover`.
- **Structure:** Main app layout: page container → header + main content + fixed `BottomNav`. Content max-width `min(680px, 100%)` (or `--content-max` 720px where appropriate).
### Backend (when implemented)
- **Framework:** FastAPI. APIs in Python only.
- **Modularity:** Separate file per page and its functions. Each app page (write, history, settings, auth) has its own backend module; avoid one monolithic API file.
- **Database:** MongoDB. Setup comes after frontend responsive work.
### Conventions
- **Fonts:** Inter for UI, Playfair Display for headings/editorial, Lora for body/entry text. Loaded via Google Fonts in `index.html`.
- **Naming:** CSS uses BEM-like class names (e.g. `.journal-card`, `.journal-prompt`). Keep the same pattern for new components.
- **Build:** Fixing the current TypeScript/ESLint build errors is deferred to a later step; do not assume a clean build when adding features.
---
## File layout (reference)
```
src/
App.tsx, App.css # Root layout, routes, global page styles
index.css # Resets, :root vars, base typography
main.tsx
pages/ # HomePage, HistoryPage, SettingsPage, LoginPage
components/ # BottomNav, LoginCard, GoogleSignInButton, ProtectedRoute
contexts/ # AuthContext (Firebase)
lib/ # firebase.ts, firestoreService.ts
```
---
_Last updated from session context and codebase review._