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baseline-ui

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🇺🇸

Original

English

🇨🇳

Translation

Chinese

Baseline UI

基准UI规范

Enforces an opinionated UI baseline to prevent AI-generated interface slop.

强制执行一套带有明确倾向的UI基准规范，避免AI生成的界面出现混乱问题。

How to use

使用方法

```
/baseline-ui
```
Apply these constraints to any UI work in this conversation.
```
/baseline-ui <file>
```
Review the file against all constraints below and output:
- violations (quote the exact line/snippet)
- why it matters (1 short sentence)
- a concrete fix (code-level suggestion)

```
/baseline-ui
```
将这些约束应用于本次对话中的所有UI工作。
```
/baseline-ui <file>
```
根据以下所有约束审查文件并输出：
- 违规内容（引用确切的代码行/片段）
- 违规影响（一句话简要说明）
- 具体修复方案（代码层面的建议）

Stack

技术栈

MUST use Tailwind CSS defaults unless custom values already exist or are explicitly requested
MUST use
```
motion/react
```
(formerly
```
framer-motion
```
) when JavaScript animation is required
SHOULD use
```
tw-animate-css
```
for entrance and micro-animations in Tailwind CSS
MUST use
```
cn
```
utility (
```
clsx
```
+
```
tailwind-merge
```
) for class logic

除非已有自定义值或明确要求，否则必须使用Tailwind CSS默认值
当需要JavaScript动画时，必须使用
```
motion/react
```
（原
```
framer-motion
```
）
在Tailwind CSS中，入场动画和微动画应使用
```
tw-animate-css
```
类逻辑必须使用
```
cn
```
工具（
```
clsx
```
+
```
tailwind-merge
```
）

Components

组件

MUST use accessible component primitives for anything with keyboard or focus behavior (
```
Base UI
```
,
```
React Aria
```
,
```
Radix
```
)
MUST use the project’s existing component primitives first
NEVER mix primitive systems within the same interaction surface
SHOULD prefer
```
Base UI
```
for new primitives if compatible with the stack
MUST add an
```
aria-label
```
to icon-only buttons
NEVER rebuild keyboard or focus behavior by hand unless explicitly requested

对于任何涉及键盘或焦点交互的元素，必须使用可访问的组件基础库（
```
Base UI
```
、
```
React Aria
```
、
```
Radix
```
）
必须优先使用项目中已有的组件基础库
不得在同一交互界面中混合使用不同的组件基础库
如果与技术栈兼容，新增组件基础库应优先选择
```
Base UI
```
纯图标按钮必须添加
```
aria-label
```
属性
除非明确要求，否则不得手动重写键盘或焦点交互逻辑

Interaction

交互

MUST use an
```
AlertDialog
```
for destructive or irreversible actions
SHOULD use structural skeletons for loading states
NEVER use
```
h-screen
```
, use
```
h-dvh
```
MUST respect
```
safe-area-inset
```
for fixed elements
MUST show errors next to where the action happens
NEVER block paste in
```
input
```
or
```
textarea
```
elements

对于破坏性或不可撤销的操作，必须使用
```
AlertDialog
```
组件
加载状态应使用结构化骨架屏
不得使用
```
h-screen
```
，应使用
```
h-dvh
```
固定定位元素必须遵循
```
safe-area-inset
```
安全区域规则
错误提示必须显示在操作发生的位置附近
不得阻止
```
input
```
或
```
textarea
```
元素的粘贴功能

Animation

动画

NEVER add animation unless it is explicitly requested
MUST animate only compositor props (
```
transform
```
,
```
opacity
```
)
NEVER animate layout properties (
```
width
```
,
```
height
```
,
```
top
```
,
```
left
```
,
```
margin
```
,
```
padding
```
)
SHOULD avoid animating paint properties (
```
background
```
,
```
color
```
) except for small, local UI (text, icons)
SHOULD use
```
ease-out
```
on entrance
NEVER exceed
```
200ms
```
for interaction feedback
MUST pause looping animations when off-screen
SHOULD respect
```
prefers-reduced-motion
```
NEVER introduce custom easing curves unless explicitly requested
SHOULD avoid animating large images or full-screen surfaces

除非明确要求，否则不得添加动画
只能对合成器属性（
```
transform
```
、
```
opacity
```
）执行动画
不得对布局属性（
```
width
```
、
```
height
```
、
```
top
```
、
```
left
```
、
```
margin
```
、
```
padding
```
）执行动画
除小型局部UI（文本、图标）外，应避免对绘制属性（
```
background
```
、
```
color
```
）执行动画
入场动画应使用
```
ease-out
```
缓动函数
交互反馈动画时长不得超过
```
200ms
```
循环动画在离开屏幕时必须暂停
应遵循
```
prefers-reduced-motion
```
用户偏好设置
除非明确要求，否则不得引入自定义缓动曲线
应避免对大型图片或全屏元素执行动画

Typography

排版

MUST use
```
text-balance
```
for headings and
```
text-pretty
```
for body/paragraphs
MUST use
```
tabular-nums
```
for data
SHOULD use
```
truncate
```
or
```
line-clamp
```
for dense UI
NEVER modify
```
letter-spacing
```
(
```
tracking-*
```
) unless explicitly requested

标题必须使用
```
text-balance
```
，正文/段落必须使用
```
text-pretty
```
数据内容必须使用
```
tabular-nums
```
紧凑UI应使用
```
truncate
```
或
```
line-clamp
```
除非明确要求，否则不得修改
```
letter-spacing
```
（
```
tracking-*
```
类）

Layout

布局

MUST use a fixed
```
z-index
```
scale (no arbitrary
```
z-*
```
)
SHOULD use
```
size-*
```
for square elements instead of
```
w-*
```
+
```
h-*
```

必须使用固定的
```
z-index
```
层级体系（不得使用任意
```
z-*
```
值）
方形元素应使用
```
size-*
```
类，而非
```
w-*
```
+
```
h-*
```
组合

Performance

性能

NEVER animate large
```
blur()
```
or
```
backdrop-filter
```
surfaces
NEVER apply
```
will-change
```
outside an active animation
NEVER use
```
useEffect
```
for anything that can be expressed as render logic

不得对大型
```
blur()
```
或
```
backdrop-filter
```
元素执行动画
不得在非活跃动画场景下使用
```
will-change
```
属性
任何可通过渲染逻辑实现的功能，不得使用
```
useEffect
```

Design

设计

NEVER use gradients unless explicitly requested
NEVER use purple or multicolor gradients
NEVER use glow effects as primary affordances
SHOULD use Tailwind CSS default shadow scale unless explicitly requested
MUST give empty states one clear next action
SHOULD limit accent color usage to one per view
SHOULD use existing theme or Tailwind CSS color tokens before introducing new ones

除非明确要求，否则不得使用渐变
不得使用紫色或多色渐变
不得将发光效果作为主要交互提示
除非明确要求，否则应使用Tailwind CSS默认阴影层级
空状态必须提供一个明确的下一步操作
每个视图的强调色使用应限制为一种
引入新颜色前，应优先使用现有主题或Tailwind CSS颜色令牌