snack-mall/design-system/web-snack/MASTER.md

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# Design System Master File
> **LOGIC:** When building a specific page, first check `design-system/pages/[page-name].md`.
> If that file exists, its rules **override** this Master file.
> If not, strictly follow the rules below.
---
**Project:** web-snack
**Generated:** 2026-06-03 14:32:22
**Category:** E-commerce
---
## Global Rules
### Color Palette
| Role | Hex | CSS Variable |
|------|-----|--------------|
| Primary | `#DC2626` | `--color-primary` |
| Secondary | `#F87171` | `--color-secondary` |
| CTA/Accent | `#CA8A04` | `--color-cta` |
| Background | `#FEF2F2` | `--color-background` |
| Text | `#450A0A` | `--color-text` |
**Color Notes:** Appetizing red + warm gold
### Typography
- **Heading Font:** Fredoka
- **Body Font:** Nunito
- **Mood:** playful, friendly, fun, creative, warm, approachable
- **Google Fonts:** [Fredoka + Nunito](https://fonts.google.com/share?selection.family=Fredoka:wght@400;500;600;700|Nunito:wght@300;400;500;600;700)
**CSS Import:**
```css
@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;500;600;700&family=Nunito:wght@300;400;500;600;700&display=swap');
```
### Spacing Variables
| Token | Value | Usage |
|-------|-------|-------|
| `--space-xs` | `4px` / `0.25rem` | Tight gaps |
| `--space-sm` | `8px` / `0.5rem` | Icon gaps, inline spacing |
| `--space-md` | `16px` / `1rem` | Standard padding |
| `--space-lg` | `24px` / `1.5rem` | Section padding |
| `--space-xl` | `32px` / `2rem` | Large gaps |
| `--space-2xl` | `48px` / `3rem` | Section margins |
| `--space-3xl` | `64px` / `4rem` | Hero padding |
### Shadow Depths
| Level | Value | Usage |
|-------|-------|-------|
| `--shadow-sm` | `0 1px 2px rgba(0,0,0,0.05)` | Subtle lift |
| `--shadow-md` | `0 4px 6px rgba(0,0,0,0.1)` | Cards, buttons |
| `--shadow-lg` | `0 10px 15px rgba(0,0,0,0.1)` | Modals, dropdowns |
| `--shadow-xl` | `0 20px 25px rgba(0,0,0,0.15)` | Hero images, featured cards |
---
## Component Specs
### Buttons
```css
/* Primary Button */
.btn-primary {
background: #CA8A04;
color: white;
padding: 12px 24px;
border-radius: 8px;
font-weight: 600;
transition: all 200ms ease;
cursor: pointer;
}
.btn-primary:hover {
opacity: 0.9;
transform: translateY(-1px);
}
/* Secondary Button */
.btn-secondary {
background: transparent;
color: #DC2626;
border: 2px solid #DC2626;
padding: 12px 24px;
border-radius: 8px;
font-weight: 600;
transition: all 200ms ease;
cursor: pointer;
}
```
### Cards
```css
.card {
background: #FEF2F2;
border-radius: 12px;
padding: 24px;
box-shadow: var(--shadow-md);
transition: all 200ms ease;
cursor: pointer;
}
.card:hover {
box-shadow: var(--shadow-lg);
transform: translateY(-2px);
}
```
### Inputs
```css
.input {
padding: 12px 16px;
border: 1px solid #E2E8F0;
border-radius: 8px;
font-size: 16px;
transition: border-color 200ms ease;
}
.input:focus {
border-color: #DC2626;
outline: none;
box-shadow: 0 0 0 3px #DC262620;
}
```
### Modals
```css
.modal-overlay {
background: rgba(0, 0, 0, 0.5);
backdrop-filter: blur(4px);
}
.modal {
background: white;
border-radius: 16px;
padding: 32px;
box-shadow: var(--shadow-xl);
max-width: 500px;
width: 90%;
}
```
---
## Style Guidelines
**Style:** Vibrant & Block-based
**Keywords:** Bold, energetic, playful, block layout, geometric shapes, high color contrast, duotone, modern, energetic
**Best For:** Startups, creative agencies, gaming, social media, youth-focused, entertainment, consumer
**Key Effects:** Large sections (48px+ gaps), animated patterns, bold hover (color shift), scroll-snap, large type (32px+), 200-300ms
### Page Pattern
**Pattern Name:** Feature-Rich Showcase
- **CTA Placement:** Above fold
- **Section Order:** Hero > Features > CTA
---
## Anti-Patterns (Do NOT Use)
- ❌ Flat design without depth
- ❌ Text-heavy pages
### Additional Forbidden Patterns
-**Emojis as icons** — Use SVG icons (Heroicons, Lucide, Simple Icons)
-**Missing cursor:pointer** — All clickable elements must have cursor:pointer
-**Layout-shifting hovers** — Avoid scale transforms that shift layout
-**Low contrast text** — Maintain 4.5:1 minimum contrast ratio
-**Instant state changes** — Always use transitions (150-300ms)
-**Invisible focus states** — Focus states must be visible for a11y
---
## Pre-Delivery Checklist
Before delivering any UI code, verify:
- [ ] No emojis used as icons (use SVG instead)
- [ ] All icons from consistent icon set (Heroicons/Lucide)
- [ ] `cursor-pointer` on all clickable elements
- [ ] Hover states with smooth transitions (150-300ms)
- [ ] Light mode: text contrast 4.5:1 minimum
- [ ] Focus states visible for keyboard navigation
- [ ] `prefers-reduced-motion` respected
- [ ] Responsive: 375px, 768px, 1024px, 1440px
- [ ] No content hidden behind fixed navbars
- [ ] No horizontal scroll on mobile