loops-ui-skills

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English

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Chinese

Loops UI Skills

Loops UI 设计指南

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

这是为AI Agent构建Loops风格界面的约束规范。

When to Apply

适用场景

Reference these guidelines when:

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

在以下场景中参考本指南：

构建浅色模式界面
创建受Loops启发的设计系统
实现采用Inter字体和4px网格的UI

Colors

颜色规范

SHOULD use light backgrounds for primary surfaces
MUST use
```
#FFFFFF
```
as page background (
```
surface-base
```
)
SHOULD reduce color palette (currently 17 colors detected)
MUST maintain text contrast ratio of at least 4.5:1 for accessibility

主界面应使用浅色背景
必须使用
```
#FFFFFF
```
作为页面背景（
```
surface-base
```
）
应精简调色板（目前检测到17种颜色）
为保障可访问性，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`	#FFFFFF	rgb(255,255,255)	Page background
`surface-raised`	#ECECEC	rgb(236,236,236)	Cards, modals, raised surfaces
`text-primary`	#CCCCCE	rgb(204,204,206)	Headings, body text
`text-secondary`	#AAAAAE	rgb(170,170,174)	Secondary, muted text
`text-tertiary`	#85B1A4	rgb(133,177,164)	Additional text
`border-default`	#F4F5F6	rgb(244,245,246)	Subtle borders, dividers
`destructive`	#D77B5F	rgb(215,123,95)	Error states, delete actions

变量	十六进制值	RGB值	用途
`surface-base`	#FFFFFF	rgb(255,255,255)	页面背景
`surface-raised`	#ECECEC	rgb(236,236,236)	卡片、模态框、凸起界面
`text-primary`	#CCCCCE	rgb(204,204,206)	标题、正文文本
`text-secondary`	#AAAAAE	rgb(170,170,174)	次要、弱化文本
`text-tertiary`	#85B1A4	rgb(133,177,164)	辅助文本
`border-default`	#F4F5F6	rgb(244,245,246)	细微边框、分隔线
`destructive`	#D77B5F	rgb(215,123,95)	错误状态、删除操作

Typography

排版规范

MUST use
```
Inter
```
as primary font family
SHOULD use single font family for consistency
MUST use
```
39px
```
/
```
700
```
for primary headings
MUST use
```
22px
```
/
```
700
```
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
为保持一致性，应使用单一字体族
一级标题必须使用
```
39px
```
/
```
700
```
（字号/字重）
正文必须使用
```
22px
```
/
```
700
```
应精简字重数量（目前检测到4种）
标题必须使用
```
text-balance
```
，正文必须使用
```
text-pretty
```
数字数据应使用
```
tabular-nums
```
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	39px	700	#2B2A29	1
`body`	Inter	22px	700	#423029	1
`text-18px`	Inter	18px	400	#626262	1
`text-17px`	Inter	17px	400	#93908E	1
`text-17px`	Inter	17px	500	#525252	1
`text-16px`	Inter	16px	500	#525252	1
`text-15px`	Inter	15px	500	#544542	1
`text-15px`	Inter	15px	400	#6D6D6D	1
`text-14px`	Inter	14px	400	#CCCCCE	1
`text-14px`	Inter	14px	300	#CCCCCE	1

样式	字体	字号	字重	颜色	计数
`heading-1`	Inter	39px	700	#2B2A29	1
`body`	Inter	22px	700	#423029	1
`text-18px`	Inter	18px	400	#626262	1
`text-17px`	Inter	17px	400	#93908E	1
`text-17px`	Inter	17px	500	#525252	1
`text-16px`	Inter	16px	500	#525252	1
`text-15px`	Inter	15px	500	#544542	1
`text-15px`	Inter	15px	400	#6D6D6D	1
`text-14px`	Inter	14px	400	#CCCCCE	1
`text-14px`	Inter	14px	300	#CCCCCE	1

Typography Reference

排版参考

Font Families:

```
Inter
```
(used 86x)

Font Sizes: 7px, 8px, 9px, 10px, 11px, 12px, 13px, 14px, 15px, 16px, 17px, 18px, 22px, 39px

字体族：

```
Inter
```
（使用86次）

字号： 7px, 8px, 9px, 10px, 11px, 12px, 13px, 14px, 15px, 16px, 17px, 18px, 22px, 39px

Spacing

间距规范

MUST use 4px grid for spacing
SHOULD use spacing from scale: 1px, 2px, 3px, 4px, 5px, 6px, 8px, 9px
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网格作为间距基准
应使用以下间距刻度：1px, 2px, 3px, 4px, 5px, 6px, 8px, 9px
元素间默认间距应使用5px
绝不能使用任意间距值（必须遵循设计刻度）
容器内的内边距应保持一致

Borders

边框规范

MUST use border-radius from scale: 0px, 1px, 2px, 3px, 4px, 6px, 7px, 9px, 10px, 26px
SHOULD use 26px+ radius for pill-shaped elements
MUST use 1px border width consistently
SHOULD use 1px as default border-radius
NEVER use arbitrary border-radius values (use design scale)
SHOULD use subtle borders (1px) for element separation

必须使用以下圆角刻度：0px, 1px, 2px, 3px, 4px, 6px, 7px, 9px, 10px, 26px
胶囊形元素应使用26px及以上的圆角
必须统一使用1px的边框宽度
默认圆角应使用1px
绝不能使用任意圆角值（必须遵循设计刻度）
应使用细微边框（1px）来分隔元素

Border Radius Reference

圆角参考

Scale: 0px, 1px, 2px, 3px, 4px, 6px, 7px, 9px, 10px, 26px

刻度： 0px, 1px, 2px, 3px, 4px, 6px, 7px, 9px, 10px, 26px

Layout

布局规范

MUST design for 1920px base viewport width
SHOULD use consistent element widths: 13px, 27px, 50px, 12px, 7px
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：13px, 27px, 50px, 12px, 7px
应保持以文本为主的布局，层级清晰
绝不能使用
```
h-screen
```
，应使用
```
h-dvh
```
来设置全屏高度
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-*
```
而非
```
w-*
```
+
```
h-*
```

Detected Layout Patterns

已检测的布局模式

Main Content: width: 1920px, height: 1030px
Main Content: width: 994px, height: 568px
Header: height: 52px

主内容区：宽度1920px，高度1030px
主内容区：宽度994px，高度568px
头部：高度52px

Components

组件规范

Buttons

按钮

Variant	Background	Text	Border	Height	Radius
Ghost	transparent	#AAAAAE	none	-	-

变体	背景	文本	边框	高度	圆角
Ghost	透明	#AAAAAE	无	-	-

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
```
）外边框
必须设置
```
2px
```
的外边框偏移量
绝不能移除聚焦指示器

Hover

悬停状态

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

主按钮：背景色提亮10%
次要按钮：使用
```
#ECECEC
```
作为背景
列表项：使用
```
#ECECEC
```
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
```
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
绝不能禁止
```
input
```
或
```
textarea
```
元素的粘贴功能
纯图标按钮必须添加
```
aria-label
```

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
```
）执行动画
绝不能对布局属性（
```
width
```
、
```
height
```
、
```
top
```
、
```
left
```
、
```
margin
```
、
```
padding
```
）执行动画
入场动画应使用
```
ease-out
```
缓动函数
交互反馈动画时长绝不能超过200ms
应遵循
```
prefers-reduced-motion
```
（减少动画偏好）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
```
区域执行动画
绝不能在非活跃动画场景下使用
```
will-change
```
任何可通过渲染逻辑实现的功能，绝不能使用
```
useEffect
```