antfu-design

Original：🇺🇸 English

Translated

antfu-style design conventions, broadened. UnoCSS-first, class-based semantic tokens with dual light/dark for tooling and devtools UIs, plus design-read, anti-slop, and micro-interaction polish for landing pages and product surfaces. Use when building or refactoring any interface with UnoCSS.

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Sourceantfu/skills

Added on2026-08-11

NPX Install

npx skill4agent add antfu/skills antfu-design

SKILL.md Content

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Use this when building interfaces with UnoCSS in any framework (React, Vue, Svelte, Solid, or plain HTML), from dense devtools panels to landing pages. Read core-design-read first to set the direction, then apply the token system plus the polish and anti-slop rules.

Core Rules

Use semantic shortcuts (
```
bg-base
```
,
```
border-base
```
,
```
color-active
```
,
```
btn-action
```
) instead of raw utility chains in markup.
Design light and dark mode together. Core tokens must work in both themes.
Name z-index layers (
```
z-top-nav
```
,
```
z-panel-content
```
,
```
z-drawer-content
```
). Do not use raw z values in templates.
Generate class-based utilities only (
```
class="..."
```
). Avoid Attributify syntax in generated code.
Keep icon/status class strings literal so UnoCSS can statically extract them (
```
// @unocss-include
```
when needed).
Use
```
font-mono
```
+
```
tabular-nums
```
for technical values (paths, SHAs, counters, timestamps, percentages).
For long paths and IDs, truncate visually but keep the full value in
```
title
```
.
Read the brief and set the three dials before choosing a look (core-design-read).
Borders for dense or structural surfaces, layered shadows for elevated ones (features-micro-interactions).
Zero em-dash and en-dash characters in any user-facing text (best-practices-anti-slop).

Starter shortcuts

A minimal semantic core. See core-starter-kit for the full

uno.config.ts

and base styles.

ts

shortcuts: [
  {
    'color-base': 'color-neutral-800 dark:color-neutral-200',
    'bg-base': 'bg-white dark:bg-#111',
    'bg-secondary': 'bg-#eee dark:bg-#222',
    'border-base': 'border-#8882',

    'bg-active': 'bg-#8881',
    'color-active': 'color-primary-600 dark:color-primary-300',
    'border-active': 'border-primary-600/25 dark:border-primary-400/25',

    'btn-action': 'inline-flex items-center gap-2 rounded border border-base px2 py1 op75 hover:op100 hover:bg-active disabled:pointer-events-none disabled:op30!',
    'op-fade': 'op65 dark:op55',
    'op-mute': 'op30 dark:op25',

    'z-top-nav': 'z-60',
    'z-panel-content': 'z-70',
    'z-drawer-content': 'z-100',
  },
]

Core References

Topic	Description	Reference
Core Principles	Semantic tokens, dark mode parity, z-index naming, class-first output	core-principles
Starter Kit	Copy-paste UnoCSS starter config and base light/dark styles	core-starter-kit
Tokens and Combos	Token families, reusable class combinations, mobile-safe shell tokens	core-tokens-and-combinations
Design Read and Dials	Read the brief, declare a design read, set variance/motion/density dials	core-design-read

Best Practices

Topic	Description	Reference
Strict Rules and Pre-Flight	Do/don't checklist and the consolidated pre-flight	best-practices-strict-rules
Class over Attributify	Why generated code uses class utilities, with conversions	best-practices-class-utilities-over-attributify
Anti-Slop Hygiene	The dash ban and the AI-tell forbidden patterns	best-practices-anti-slop
Bias Correction	Typography, color, layout, and materiality defaults to override	best-practices-bias-correction

Features

Topic	Description	Reference
Data Presentation	Paths, icons, time, date, numbers, badges, buttons	features-data-presentation
Micro-Interactions	Radius, alignment, shadows, animation, numbers, outlines, hit areas	features-micro-interactions
Floating Vue Overrides	Shared Floating Vue setup and popper styling	features-floating-vue-overrides

Advanced

Topic	Description	Reference
Pattern Vocabulary	Named UI patterns to recognize and reach for	advanced-pattern-vocabulary
Redesign Protocol	Detect mode, audit first, preserve IA and SEO	advanced-redesign-protocol