hamid
302 lines
17 KiB
Markdown
302 lines
17 KiB
Markdown
---
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name: frontend-designer
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description: >-
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Design and build UI for the Balinyaar client (Next.js 16 + MUI v9). Use when
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creating or restyling any screen, page, component, layout, or visual in
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client/ — turning a feature, mockup, or Figma design into branded, RTL-aware,
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dark-mode-ready, i18n-complete React/MUI code. Covers the brand palette,
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design tokens, typography, the App* component library, layout shells, icons,
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and the hard rules every Balinyaar UI must follow.
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---
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# Balinyaar Frontend Designer
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Build UI that looks like Balinyaar and behaves correctly in both locales and both
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color schemes on the first try. This skill is the design contract; the engineering
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contract (providers, fetch, cookies, routing) lives in [client/CLAUDE.md](../../../client/CLAUDE.md) — read it
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before touching layout/provider/data code, **don't restate it**, and never violate it.
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**Stack:** Next.js 16 (App Router, Turbopack) · React 19 · MUI v9 (`@mui/material`) ·
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Emotion (RTL via `stylis-plugin-rtl`) · next-intl v4 · notistack. Everything below
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lives under `client/src/`.
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---
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## 1. Brand identity
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Balinyaar is a **trust-first home-nursing marketplace in Iran**. The visual tone is
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calm, warm, clinical-but-human — not a cold medical dashboard. Default audience is
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Persian (RTL); English is secondary.
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**Logo mark** — this skill is the construction source of truth (the original
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`product/balinyaar.html` seed deck no longer exists in the repo): a deep-teal
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rounded-square ground (`var(--bal-primary)`), a cream lowercase "b" glyph built
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from a stem + a ring bowl (`var(--bal-primary-contrast)`), and a single
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terracotta dot accent (`var(--bal-secondary)`). That trio — **teal ground, cream
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glyph, terracotta accent** — is the whole identity. Use terracotta sparingly as
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the single accent; teal carries everything else. Implemented as two SVGs under
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`components/common/AppIcon/icons/`:
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- `LogoMark.tsx` — a monochrome `currentColor` version of just the glyph (no
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ground square), registered as `ICONS.logo`. Use via `<AppIcon icon="logo">`
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anywhere an inline, recolorable brand glyph is needed.
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- `LogoLockup.tsx` — the full-color mark (ground + glyph + dot, token-driven so
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it tracks the color scheme) for `BrandMark` (auth splash). The wordmark next
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to it stays real, translated `<Typography>` — never bake locale text into an SVG.
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- The favicon (`src/app/favicon.ico`) and `public/img/favicon/*.png` are
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rasterized from the same construction (fixed brand hex, not CSS vars — static
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binary assets are the one place a literal hex is correct). Regenerate with a
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`sharp`-based script if the mark ever changes; don't hand-edit the PNGs/ICO.
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| Role | Light | Dark |
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|------|-------|------|
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| Primary — deep teal | `#1d4a40` | `#6fc0ac` (lifted, readable on dark) |
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| Secondary — terracotta | `#d98c6a` | `#e6a98a` |
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| Page surface | `#faf9f5` cream | `#0f1c19` deep teal |
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| Paper / card | `#ffffff` | `#16302a` teal surface |
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| Text primary | `#1b2521` ink | `#f3efe9` cream |
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---
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## 2. Design tokens — the two-layer system (read this before styling anything)
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Colors exist in **two mirrored places** that must stay in sync. Pick the right one:
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1. **MUI palette** — `src/theme/colors.ts` (`BRAND`, `LIGHT_PALETTE`, `DARK_PALETTE`).
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Drives `--mui-palette-*` and all MUI component coloring. Reach it through MUI APIs:
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`color="primary"`, `sx={{ color: 'text.secondary', bgcolor: 'background.paper' }}`.
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**This is the default for component styling.** It auto-switches with the color scheme.
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2. **`--bal-*` CSS variables** — `src/theme/tokens.css`, defined under
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`[data-mui-color-scheme='light'|'dark']`. The source of truth for **custom CSS
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outside MUI's palette** and for **semantic feedback colors MUI doesn't define**:
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`--bal-success`, `--bal-error`, `--bal-warning`, `--bal-info` (each `+ -contrast`).
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Reference as `var(--bal-primary)`, `var(--bal-success-contrast)`, etc.
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**Rules:**
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- Styling a MUI component → use palette keys (`color="primary"`, `sx` palette refs).
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- Need success/error/warning/info → use `--bal-*` tokens, **not** MUI defaults — the
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MUI palette has no semantic colors, and these tokens are brand-harmonized.
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- Need a custom color in raw CSS → add a `--bal-*` token (in **both** scheme blocks),
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then `var(--…)`. **Never hard-code a hex** in `sx`, `styled`, or a component.
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- Adding/changing a color means editing `tokens.css` **and** `colors.ts` together (the
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file headers call out the sync requirement).
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**Beyond color** — `tokens.css` also defines non-palette tokens (`colors.ts` never needs
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these; they're define-only in CSS):
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- **Radius** — `--bal-radius-sm` (4px, controls: buttons/inputs), `--bal-radius-md`
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(10px = `theme.shape.borderRadius`, the house default: cards/paper), `--bal-radius-lg`
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(16px: dialogs). Reference the token/constant, never invent a new radius.
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- **Elevation** — `--bal-shadow-1/2/3`, teal-tinted (black-teal in dark mode) shadow
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steps that back `theme.ts`'s `shadows` array — every MUI elevation (Paper, Dialog,
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Menu, Popover, AppBar) resolves through these, never MUI's default grey stack.
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- **Motion** — `--bal-motion-fast/base/slow` (120/200/300ms) + `--bal-easing-standard`.
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Consumed by the phase-12 app-wide motion pass; use them for any transition you add now.
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- **Focus** — `--bal-focus-ring`, the 2px ring `MuiCssBaseline`'s global `:focus-visible`
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override uses. Don't hand-roll a focus style; it's already uniform everywhere.
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- **Rating** — `--bal-rating` / `--bal-rating-empty` (filled/empty star colors) —
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`RatingInput` uses these, not `--bal-warning`.
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- **Trust** — `--bal-trust` / `--bal-trust-soft`, a distinct identity (not
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primary/success) for verified marks — `TrustBadge` and any future verification UI.
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- **Money emphasis** — `--bal-money-emphasis`, an AA-contrast-safe color for emphasized
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money text. `--bal-secondary` (terracotta) fails AA contrast at small sizes on light
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backgrounds — never use it for money text, use this token instead.
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---
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## 3. Typography & fonts
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- `shape.borderRadius: 10` (set in `src/theme/theme.ts`) — the house corner radius
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(= `--bal-radius-md`). Don't override per-component unless deliberate; the radius
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*scale* is `--bal-radius-sm` (4, controls) / `-md` (10, cards) / `-lg` (16, dialogs).
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- **Weight system — never write `fontWeight: 600`.** Mikhak and Space Grotesk both load
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only 400/500/700 (no 600 face), so a requested 600 silently renders full Bold. Use
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**700** for headings (`h1`–`h6`) and buttons/strong emphasis, **500** for lighter
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in-text emphasis (subtitles, row labels, chip text). This is enforced globally in
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`typography.ts`; match it in any new `sx` you write.
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- Buttons: `textTransform: 'none'`, weight 700 (set globally in `typography.ts`). Never
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re-uppercase button text.
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- Persian type scale (`TYPOGRAPHY_RTL`): `letterSpacing: 0` on every variant (Persian is
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a joined script — tracking breaks glyph connections), body line-height ≥1.7, heading
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line-height ~1.4–1.5 (room for ascenders/descenders), and `responsiveFontSizes()`
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wraps both themes (`theme.ts`) so heading sizes scale down on small viewports —
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don't hand-roll per-breakpoint `fontSize` overrides.
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- **Fonts are loaded per-locale in `src/app/[locale]/layout.tsx` only** — Mikhak
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(`--font-mikhak`) for `fa`, **Space Grotesk** (`--font-space-grotesk`, via
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`next/font/google`, self-hosted at build time) for `en`. Both `preload: false` with a
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conditional `.variable` className so neither ships to the other locale.
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**Never load a font in a component or page.**
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- Use `<Typography variant=…>` for text — it inherits the correct direction-aware family
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(`TYPOGRAPHY_RTL` = Mikhak everywhere for full Persian glyph coverage; `TYPOGRAPHY_LTR`
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= Space Grotesk headings + system-stack body). Import neither directly in components;
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let the theme apply them.
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---
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## 4. The component library — reach for these before raw MUI
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Shared primitives live in `src/components/` (barrel: `@/components`). Prefer the `App*`
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wrapper over the bare MUI component — the wrappers carry the house defaults.
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| Component | Use for | Notes |
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|-----------|---------|-------|
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| `AppButton` | all buttons & button-links | default `variant="contained"`; pass `to`/`href` to render as a link automatically; `startIcon`/`endIcon` accept an **icon name string** (e.g. `startIcon="search"`) or a node; non-MUI `color` strings become text color |
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| `AppIconButton` | icon-only actions | takes an icon `name`, `title`, `to`/`onClick` |
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| `AppIcon` | any icon | `icon="home"` by registered name (§6); `size`, `color` props |
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| `AppLink` | internal/external links | locale-aware Next navigation; default underline `hover` |
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| `AppAlert` | inline alerts | default `severity="error"`, `variant="filled"` |
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| `AppImage` | images | wrapper around next/image conventions |
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| `AppLoading` | loading state | default circular, `primary`, `3rem` |
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| `ErrorBoundary` | wrapping fault-prone subtrees | already wraps page content in the shell |
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| `UserInfo` | user avatar/identity block | feature component |
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Defaults for these live in `src/components/config.ts` (`APP_BUTTON_VARIANT`,
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`APP_ICON_SIZE = 24`, `CONTENT_MAX_WIDTH = 800`, `CONTENT_MIN_WIDTH = 320`, alert/link/
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loading defaults). Change a default there, not per-call-site.
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For layout/spacing use MUI primitives directly: `Box`, `Stack`, `Container`, `Grid`,
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`Paper`, `Card`. Use the `spacing`/`sx` system (theme spacing unit = 8px) — never inline
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pixel margins for rhythm.
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**New shared component?** Put it in `src/components/<Name>/<Name>.tsx` with an
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`index.tsx` barrel, follow the `App*` prop-spreading + JSDoc style of `AppButton.tsx`,
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and add a co-located `.test.tsx` (mandatory for anything imported in >1 place — see
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CLAUDE.md "Unit Testing"; wrap with `<ThemeProvider>`, never mock MUI).
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---
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## 5. Layout & page shells
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- **Private (authenticated) screens** render inside `PrivateLayout` →
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`TopBarAndSideBarLayout` (`src/layout/`): a `TopBar` + a `SideBar` (variant
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`sidebarPersistentOnDesktop`: persistent ≥desktop, temporary drawer on mobile) +
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a dark-mode toggle. Sidebar nav items are `{ title, path, icon }` arrays built with
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`useTranslations('nav')`. Page content is auto-wrapped in `ErrorBoundary`.
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- **Public screens** use `PublicLayout`.
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- Shell dimensions are constants in `src/layout/config.ts` (`SIDE_BAR_WIDTH = 240px`,
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top-bar `56px` mobile / `64px` desktop, anchors). Respect them; don't hard-code.
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- A page is `src/app/[locale]/(private|public-routes)/…/page.tsx`. Keep page bodies to
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composition + content; push reusable visuals into `src/components/`.
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- Constrain reading width with `CONTENT_MAX_WIDTH` (800) for text-heavy views; full-bleed
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is fine for dashboards/tables.
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- Use `useIsMobile()` (`@/hooks`) for responsive branching, or MUI breakpoints in `sx`.
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---
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## 6. Icons
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Icons are a **name registry**, not free imports. `src/components/common/AppIcon/config.ts`
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maps lowercase names → MUI/SVG components. Render with `<AppIcon icon="home" />` or pass
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the name to `AppButton`/`AppIconButton` (`icon="search"`).
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**One visual family: MUI `*Rounded`.** Every registered icon is the `Rounded` variant of
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`@mui/icons-material` (warmer, softer strokes than the old filled/outlined mix — fits
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"clinical-but-human"). When adding an icon, import the `*Rounded` version; don't mix in a
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Filled/Outlined/Sharp/TwoTone icon next to it. ~90 names are registered today, spanning
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navigation, catalog, verification, booking, payments, admin, and messaging — read
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`AppIcon/config.ts` directly for the full list rather than duplicating it here (it drifts
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too fast for a skill doc to track reliably); the two structural rules below don't.
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**`size` actually resizes now.** `AppIcon` drives size via `style.fontSize` (the basis for
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MUI SvgIcon's internal `1em` sizing) instead of `width`/`height` attributes, which MUI's
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own CSS used to beat. `<AppIcon icon="verified" size={48} />` renders 48px — no more
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silent 24px flattening.
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**Directional icons mirror automatically.** Icons authored for LTR that must flip under
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RTL (`back`, `chevron_start`) are registered in `AppIcon/config.ts`'s `DIRECTIONAL_ICONS`
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set. `AppIcon` stamps `data-icon-directional` on those, and one CSS rule
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(`app/globals.css`) does `[dir='rtl'] [data-icon-directional] { transform: scaleX(-1); }`.
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Adding a new directional icon is a one-line registry addition — never hand-roll a
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per-component flip.
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**Need a new icon:** import the `*Rounded` version into `config.ts`, add a **lowercase**
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key to `ICONS`, then reference by that name. Custom SVGs (the brand mark) go in
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`AppIcon/icons/`. An unregistered name logs a dev-only warning and falls back to
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`default` — never pass a raw MUI icon where a name is expected.
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---
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## 7. Non-negotiable rules for every Balinyaar UI
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Every screen/component you produce must satisfy **all** of these:
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1. **i18n — no hard-coded user-facing strings.** Add the key to **both**
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`messages/en.json` and `messages/fa.json` (keep them in sync; top-level keys are
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namespaces). Client: `useTranslations(ns)`. Server: `getTranslations(ns)`.
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2. **RTL-safe.** `fa` is the default locale and is **RTL**. Never use directional
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hard-coding (`marginLeft`, `left:`, `textAlign: 'left'`) for layout flow — use
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logical/MUI-flipped props (`ml`→ MUI flips; prefer `marginInlineStart`, `start`/`end`,
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`sx` shorthand that the RTL Emotion cache mirrors). Test the layout visually at `/fa`.
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Do **not** pass `flexWrap`/`useFlexGap` as `Stack` props — use `sx={{ flexWrap: 'wrap' }}`.
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3. **Dark-mode correct.** Pull every color from the palette or `--bal-*` tokens so it
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switches automatically. Verify on both schemes — never assume a light background.
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4. **Tokens, not hexes.** No raw color literals in `sx`/`styled`/components (§2).
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5. **Constants, not magic values.** Cookie names, routes, repeated dimensions, event
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names → named constants (CLAUDE.md "Constants").
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6. **Use the wrappers** (§4) and the **icon registry** (§6) before bare MUI.
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7. **Shared component ⇒ co-located test** (§4).
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8. **MUI v9 API only.** No v5/v6-era props (e.g. `Stack` `useFlexGap`, `storageWindow`).
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Avoid deprecated APIs that throw.
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---
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## 8. Workflow: turning a design or feature into a screen
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1. **Locate & scope.** Decide private vs public route; confirm the layout shell. Identify
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which existing `App*` components and tokens already cover the design.
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2. **Tokens first.** If the design needs a color/spacing not in the system, add the
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`--bal-*` token (both schemes) + mirror in `colors.ts` if it's palette-level.
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3. **Compose with primitives.** Build with `Box`/`Stack`/`Grid`/`Paper` + `App*`
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wrappers. Keep raw MUI to layout/structural components.
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4. **Wire copy through i18n.** Every label/placeholder/aria string → both message files.
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5. **Verify the four axes:** `/fa` (RTL) and `/en` (LTR) × light and dark. The default
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route is `/fa` — start there.
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6. **Tests** for any new shared component; **never** add a layout above `[locale]`
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(breaks locale/dir — see CLAUDE.md).
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7. Data/fetch/auth/cookies/toasts → follow CLAUDE.md (`serverFetch`/`clientFetch`,
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`@/lib/cookies/*`, `dispatchToast`/`useSnackbar`). Don't reinvent these.
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---
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## 9. Anti-patterns (design-specific — CLAUDE.md has the full engineering list)
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- Hard-coded hex/rgb in components → use palette keys or `--bal-*` tokens.
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- MUI default success/error colors for feedback → use `--bal-*` semantic tokens.
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- `marginLeft`/`left`/`textAlign:'left'` for flow → breaks RTL; use logical props.
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- Hard-coded English (or any) UI string → add to both message files.
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- Loading a font in a component/page → fonts live only in `src/app/[locale]/layout.tsx`.
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- `createTheme()` in a component → use `APP_THEME_LTR`/`APP_THEME_RTL`.
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- Raw MUI icon where a registry name is expected → register it in `AppIcon/config.ts`.
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- New shared component without a `.test.tsx`, or mocking MUI in tests.
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- Re-introducing `src/app/layout.tsx` / any layout above `[locale]`.
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---
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## 10. Design ↔ Figma (optional)
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A Figma MCP is connected. When the user provides a figma.com URL or asks to implement a
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Figma frame, use the Figma tools (`get_design_context`, `get_screenshot`, `get_metadata`)
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to pull the design, then map it onto **this** system: translate Figma colors to the
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nearest `--bal-*`/palette token (don't introduce new hexes unless the design truly adds a
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brand color), Figma type to `<Typography>` variants, and Figma components to the `App*`
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library. Follow the Figma plugin skills (`/figma-use`, `/figma-generate-design`) when
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pushing code back into Figma.
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---
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## Key files
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| Concern | File |
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|---------|------|
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| Brand color tokens (CSS) | `client/src/theme/tokens.css` |
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| MUI palette (mirror) | `client/src/theme/colors.ts` |
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| Typography & fonts | `client/src/theme/typography.ts` |
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| Theme factory (shape, schemes, dir) | `client/src/theme/theme.ts` |
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| Theme provider / RTL cache | `client/src/theme/ThemeProvider.tsx` |
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| Component library | `client/src/components/` (`@/components`) |
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| Component defaults | `client/src/components/config.ts` |
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| Icon registry | `client/src/components/common/AppIcon/config.ts` |
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| Layout shells | `client/src/layout/` |
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| Layout dimensions | `client/src/layout/config.ts` |
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| Messages (i18n) | `client/messages/{en,fa}.json` |
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| Engineering contract | `client/CLAUDE.md` |
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