linear-ui-skills

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Linear UI Skills

Linear UI 设计规范

Opinionated constraints for building Linear-style interfaces with AI agents.

用于借助AI Agent构建Linear风格界面的约束性设计指南。

When to Apply

适用场景

Reference these guidelines when:

Building dark-mode interfaces
Creating Linear-inspired design systems
Implementing UIs with Inter font and 4px grid

在以下场景中参考本指南：

构建深色模式界面
创建受Linear启发的设计系统
实现采用Inter字体与4px网格的UI

Colors

颜色规范

MUST use dark backgrounds (lightness < 20) for primary surfaces - detected lightness: 4
MUST use
```
#080A0A
```
as page background (
```
surface-base
```
)
SHOULD limit color palette to 10 distinct colors
MUST maintain text contrast ratio of at least 4.5:1 for accessibility

主界面必须使用深色背景（亮度<20）——检测到的亮度为4
必须使用
```
#080A0A
```
作为页面背景（
```
surface-base
```
）
应将调色板限制为10种不同颜色
为保证可访问性，文本对比度必须至少达到4.5:1

Semantic Tokens

语义化颜色变量

Token	HEX	RGB	Usage
`surface-base`	#080A0A	rgb(8,10,10)	Page background
`surface-raised`	#D2D2D3	rgb(210,210,211)	Cards, modals, raised surfaces
`surface-overlay`	#E3E3E6	rgb(227,227,230)	Overlays, tooltips, dropdowns
`text-primary`	#5C5C5C	rgb(92,92,92)	Headings, body text
`text-secondary`	#2D2E30	rgb(45,46,48)	Secondary, muted text
`text-tertiary`	#444749	rgb(68,71,73)	Additional text
`border-default`	#B0B1B1	rgb(176,177,177)	Subtle borders, dividers

变量	十六进制值	RGB值	用途
`surface-base`	#080A0A	rgb(8,10,10)	页面背景
`surface-raised`	#D2D2D3	rgb(210,210,211)	卡片、模态框、悬浮层
`surface-overlay`	#E3E3E6	rgb(227,227,230)	覆盖层、提示框、下拉菜单
`text-primary`	#5C5C5C	rgb(92,92,92)	标题、正文文本
`text-secondary`	#2D2E30	rgb(45,46,48)	次要、弱化文本
`text-tertiary`	#444749	rgb(68,71,73)	辅助文本
`border-default`	#B0B1B1	rgb(176,177,177)	细微边框、分隔线

Typography

排版规范

MUST use
```
Inter
```
as primary font family
SHOULD use single font family for consistency
MUST use
```
60px
```
/
```
700
```
for primary headings
MUST use
```
17px
```
/
```
400
```
for body text
SHOULD reduce font weights (currently 4 detected)
MUST use
```
text-balance
```
for headings and
```
text-pretty
```
for body text
SHOULD use
```
tabular-nums
```
for numeric data
NEVER modify letter-spacing unless explicitly requested

必须使用
```
Inter
```
作为主要字体族
为保证一致性，应使用单一字体族
主标题必须使用
```
60px
```
/
```
700
```
字号与字重
正文文本必须使用
```
17px
```
/
```
400
```
字号与字重
应减少字重种类（当前检测到4种）
标题必须使用
```
text-balance
```
属性，正文必须使用
```
text-pretty
```
属性
数字数据应使用
```
tabular-nums
```
属性
除非明确要求，否则绝不能修改字间距

Text Styles

文本样式

Style	Font	Size	Weight	Color	Count
`heading-1`	Inter	60px	700	#E2E4E3	1
`body`	Inter	17px	400	#444749	1
`body-secondary`	Inter	16px	400	#5C5C5C	1
`body-secondary`	Inter	15px	500	#2D2E30	1
`text-14px`	Inter	14px	400	#B2B3B3	1
`text-13px`	Inter	13px	400	#4C4C4C	1
`text-13px`	Inter	13px	400	#525355	1
`text-12px`	Inter	12px	400	#525456	1
`caption`	Inter	9px	400	#545557	1
`label`	Inter	9px	400	#565759	1

样式	字体	字号	字重	颜色	数量
`heading-1`	Inter	60px	700	#E2E4E3	1
`body`	Inter	17px	400	#444749	1
`body-secondary`	Inter	16px	400	#5C5C5C	1
`body-secondary`	Inter	15px	500	#2D2E30	1
`text-14px`	Inter	14px	400	#B2B3B3	1
`text-13px`	Inter	13px	400	#4C4C4C	1
`text-13px`	Inter	13px	400	#525355	1
`text-12px`	Inter	12px	400	#525456	1
`caption`	Inter	9px	400	#545557	1
`label`	Inter	9px	400	#565759	1

Typography Reference

排版参考

Font Families:

```
Inter
```
(used 13x)

Font Sizes: 9px, 12px, 13px, 14px, 15px, 16px, 17px, 60px

字体族：

```
Inter
```
（使用13次）

字号： 9px、12px、13px、14px、15px、16px、17px、60px

Spacing

间距规范

MUST use 4px grid for spacing
SHOULD use spacing from scale: 5px, 11px, 12px, 13px, 14px, 16px, 19px, 20px
SHOULD use 5px as default gap between elements
NEVER use arbitrary spacing values (use design scale)
SHOULD maintain consistent padding within containers

必须使用4px网格系统进行间距设置
应使用以下间距值：5px、11px、12px、13px、14px、16px、19px、20px
元素间默认间距应使用5px
绝不能使用任意间距值（必须使用设计规范中的间距刻度）
容器内的内边距应保持一致

Borders

边框规范

MUST use border-radius from scale: 6px, 8px
MUST use 1px border width consistently
SHOULD use 6px as default border-radius
NEVER use arbitrary border-radius values (use design scale)
SHOULD use subtle borders (1px) for element separation

必须使用以下圆角值：6px、8px
必须统一使用1px的边框宽度
默认圆角应使用6px
绝不能使用任意圆角值（必须使用设计规范中的圆角刻度）
应使用细微边框（1px）分隔元素

Border Radius Reference

圆角参考

Scale: 6px, 8px

刻度： 6px、8px

Layout

布局规范

MUST design for 1920px base viewport width
SHOULD use consistent element widths: 52px
SHOULD maintain text-heavy layout with clear hierarchy
NEVER use
```
h-screen
```
, use
```
h-dvh
```
for full viewport height
MUST respect
```
safe-area-inset
```
for fixed elements
SHOULD use
```
size-*
```
for square elements instead of
```
w-*
```
+
```
h-*
```

必须以1920px作为基础视口宽度进行设计
应使用统一的元素宽度：52px
应保持以文本为主的布局，并具备清晰的层级结构
绝不能使用
```
h-screen
```
，应使用
```
h-dvh
```
实现全屏高度
固定元素必须遵循
```
safe-area-inset
```
安全区域规则
方形元素应使用
```
size-*
```
属性，而非同时设置
```
w-*
```
+
```
h-*
```

Detected Layout Patterns

检测到的布局模式

Main Content: width: 1920px, height: 1013px
Header: height: 63px

主内容区：宽度1920px，高度1013px
头部：高度63px

Components

组件规范

Buttons

按钮

Variant	Background	Text	Border	Height	Radius
Ghost	transparent	#5C5C5C	none	-	-

变体	背景	文本	边框	高度	圆角
Ghost	transparent	#5C5C5C	none	-	-

Interactive States

交互状态规范

Focus

聚焦状态

MUST use
```
2px
```
outline with accent color (
```
#5E6AD2
```
)
MUST use
```
2px
```
outline-offset
NEVER remove focus indicators

必须使用2px宽的强调色（
```
#5E6AD2
```
）外轮廓
必须使用2px的外轮廓偏移量
绝不能移除聚焦指示器

Hover

悬停状态

Buttons (primary): lighten background by 10%
Buttons (secondary): use
```
#D2D2D3
```
background
List items: use
```
#D2D2D3
```
background

主按钮：背景亮度提高10%
次要按钮：使用
```
#D2D2D3
```
作为背景
列表项：使用
```
#D2D2D3
```
作为背景

Disabled

禁用状态

MUST use
```
opacity: 0.5
```
MUST use
```
cursor: not-allowed
```

必须设置
```
opacity: 0.5
```
必须设置
```
cursor: not-allowed
```

Interaction

交互规范

MUST use an
```
AlertDialog
```
for destructive or irreversible actions
SHOULD use structural skeletons for loading states
MUST show errors next to where the action happens
NEVER block paste in
```
input
```
or
```
textarea
```
elements
MUST add an
```
aria-label
```
to icon-only buttons

破坏性或不可逆操作必须使用
```
AlertDialog
```
组件
加载状态应使用结构化骨架屏
错误提示必须显示在操作发生的位置附近
绝不能禁用
```
input
```
或
```
textarea
```
的粘贴功能
纯图标按钮必须添加
```
aria-label
```
属性

Animation

动画规范

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 use
```
ease-out
```
on entrance animations
NEVER exceed
```
200ms
```
for interaction feedback
SHOULD respect
```
prefers-reduced-motion
```

除非明确要求，否则绝不能添加动画
仅能对合成器属性（
```
transform
```
、
```
opacity
```
）添加动画
绝不能对布局属性（
```
width
```
、
```
height
```
、
```
top
```
、
```
left
```
、
```
margin
```
、
```
padding
```
）添加动画
入场动画应使用
```
ease-out
```
缓动函数
交互反馈动画时长绝不能超过200ms
应遵循
```
prefers-reduced-motion
```
用户偏好设置

Performance

性能规范

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

绝不能对大面积
```
blur()
```
或
```
backdrop-filter
```
添加动画
仅在动画激活时使用
```
will-change
```
属性
任何可通过渲染逻辑实现的功能，绝不能使用
```
useEffect
```