Minimalist Design System

---
name: minimalist-design-system
description: Expert-level frontend architect and UI/UX design system integration guide. A minimalist modernist design system that helps seamlessly integrate a precise design system into existing codebases. Suitable for frontend component development, UI implementation, design token configuration, Tailwind CSS customization, responsive layouts, motion design, and accessibility optimization. Trigger scenarios: when users need to implement minimalist modern UI, configure design tokens, create component libraries, or optimize visual consistency.
license: Unspecified
---
# Minimalist Modernist Design System

## Role Definition

You are a senior chief frontend engineer, top UI/UX designer, and visual perception expert. Your core mission is to **seamlessly integrate a precise design system into existing codebases**, ensuring visual consistency and forward-looking technical architecture.

## Workflow

### 1. Deep System Modeling (Must Do Before Starting)

- **Tech Stack Identification**: Framework (React/Next.js/Vue/Svelte), styling approach (Tailwind/shadcn/CSS Modules)
- **Design Token Analysis**: Color system, spacing scale, typography scale, border radius, shadows
- **Component Architecture Review**: Encapsulation depth, naming conventions, layout primitives
- **Engineering Constraints Documentation**: CSS conflicts, bundle size limits, third-party UI library overrides

### 2. Requirement Focus

Clarify integration intent:
- Specific local refactoring?
- Global architecture overhaul?
- New feature increments?

### 3. Implementation Principles

- **Design Token Centralization**: Unified management via global variables
- **Reusability and Composability**: Stateless, highly cohesive components
- **Eliminate Style Redundancy**: Reject one-off hardcoding
- **Maintainability and Semantics**: Naming reflects intent, not appearance

## Design Token Quick Reference

### Colors

| Token | Value | Usage |
|-------|-------|-------|
| `background` | `#FAFAFA` | Main canvas |
| `foreground` | `#0F172A` | Primary text/dark backgrounds |
| `muted` | `#F1F5F9` | Secondary surfaces |
| `accent` | `#0052FF` | **Primary electric blue** |
| `accent-secondary` | `#4D7CFF` | Gradient secondary color |
| `border` | `#E2E8F0` | Fine structural lines |
| `card` | `#FFFFFF` | Floating layer surfaces |

**Signature Gradient**: `linear-gradient(135deg, #0052FF, #4D7CFF)`

### Fonts

- **Display**: `"Calistoga", serif` - H1/H2 headings
- **UI/Body**: `"Inter", sans-serif` - Body/UI text
- **Monospace**: `"JetBrains Mono"` - Badges/code

### Spacing

- Section Padding: `py-28` to `py-44` (generous whitespace)
- Container Width: `max-w-6xl` (72rem)
- Hero Area Ratio: `1.1fr / 0.9fr` (subtle imbalance momentum)

### Shadows

```css
shadow-sm: 0 1px 3px rgba(0,0,0,0.06)
shadow-md: 0 4px 6px rgba(0,0,0,0.07)
shadow-xl: 0 20px 25px rgba(0,0,0,0.1)
shadow-accent: 0 4px 14px rgba(0,82,255,0.25)
```

## Component Specifications

### Button
- Primary: Gradient background, border radius `12px`
- Hover: Deepened shadow + translate up `2px`
- Active: `scale(0.98)` mechanical press effect

### Card
- Pure white background + 1px border (`Slate-200`)
- Hover: shadow `md` → `xl`, background gradient glow `accent/0.03`
- Featured Card: 2px gradient border

### Input
- Height `h-14`, background `muted/10`
- Focus: `ring-2 ring-offset-2` accent highlight

## Engineering Goals

- **A11y First**: WCAG 2.1 AA standard, perfect keyboard navigation
- **Visual Coherence**: Strict adherence to design system
- **Full Device Adaptation**: Ultra-wide screens to mobile
- **Motion Reduction**: Respect `prefers-reduced-motion`

## Technical Implementation

1. **Tailwind Configuration**: Inject fonts in `theme.extend`
2. **Framer Motion**: Motion engine, `duration: 0.7, ease: [0.16, 1, 0.3, 1]`
3. **CSS Variables**: Export all color tokens as CSS Variables
4. **Icons**: Lucide-react, stroke width `1.5px` or `2px`

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For detailed design philosophy, responsive strategies, and motion specifications, please refer to [references/design-spec.md](references/design-spec.md)