coda-ui-skills

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Coda UI Skills

Coda UI 设计指南

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

为使用AI Agent构建Coda风格界面制定的约束规范。

When to Apply

适用场景

Reference these guidelines when:

Building light-mode interfaces
Creating Coda-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Coda启发的设计系统
实现采用Inter字体和4px网格的UI

Colors

色彩规范

SHOULD use light backgrounds for primary surfaces
MUST use
```
#FEFEFE
```
as page background (
```
surface-base
```
)
MUST use
```
#DCEBF4
```
for primary actions and focus states (
```
accent
```
)
SHOULD reduce color palette (currently 21 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
```
#FEFEFE
```
作为页面背景（
```
surface-base
```
）
必须使用
```
#DCEBF4
```
作为主要操作和焦点状态的颜色（
```
accent
```
）
应精简调色板（当前检测到21种颜色）
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`	#FEFEFE	rgb(254,254,254)	Page background
`surface-raised`	#000000	rgb(0,0,0)	Cards, modals, raised surfaces
`surface-overlay`	#FEE0BC	rgb(254,224,188)	Overlays, tooltips, dropdowns
`text-primary`	#6D6D6D	rgb(109,109,109)	Headings, body text
`text-secondary`	#8E8E8E	rgb(142,142,142)	Secondary, muted text
`text-tertiary`	#41505D	rgb(65,80,93)	Additional text
`border-default`	#325395	rgb(50,83,149)	Subtle borders, dividers
`accent`	#DCEBF4	rgb(220,235,244)	Primary actions, links, focus
`destructive`	#F1E7E2	rgb(241,231,226)	Error states, delete actions
`warning`	#FEE0BC	rgb(254,224,188)	Warning states, cautions

变量	十六进制值	RGB值	用途
`surface-base`	#FEFEFE	rgb(254,254,254)	页面背景
`surface-raised`	#000000	rgb(0,0,0)	卡片、模态框、悬浮层
`surface-overlay`	#FEE0BC	rgb(254,224,188)	覆盖层、提示框、下拉菜单
`text-primary`	#6D6D6D	rgb(109,109,109)	标题、正文文本
`text-secondary`	#8E8E8E	rgb(142,142,142)	次要、弱化文本
`text-tertiary`	#41505D	rgb(65,80,93)	补充文本
`border-default`	#325395	rgb(50,83,149)	细微边框、分隔线
`accent`	#DCEBF4	rgb(220,235,244)	主要操作、链接、焦点状态
`destructive`	#F1E7E2	rgb(241,231,226)	错误状态、删除操作
`warning`	#FEE0BC	rgb(254,224,188)	警告状态、提示信息

Typography

排版规范

MUST use
```
Inter
```
as primary font family
SHOULD use single font family for consistency
MUST use
```
71px
```
/
```
700
```
for primary headings
MUST use
```
16px
```
/
```
500
```
for body text
SHOULD reduce font weights (currently 5 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

必须将
```
Inter
```
作为主要字体族
为保证一致性，应使用单一字体族
一级标题必须使用
```
71px
```
/
```
700
```
（字号/字重）
正文文本必须使用
```
16px
```
/
```
500
```
（字号/字重）
应精简字重（当前检测到5种）
标题必须使用
```
text-balance
```
，正文必须使用
```
text-pretty
```
数值数据应使用
```
tabular-nums
```
除非明确要求，否则不得修改字间距

Text Styles

文本样式

Style	Font	Size	Weight	Color	Count
`heading-1`	Inter	71px	700	#26231F	1
`text-58px`	Inter	58px	700	#27231F	1
`text-21px`	Inter	21px	400	#8A7762	1
`text-20px`	Inter	20px	400	#919191	1
`text-20px`	Inter	20px	semi_bold	#4F4F4F	1
`text-20px`	Inter	20px	semi_bold	#30271D	1
`text-19px`	Inter	19px	400	#8E8E8E	1
`text-18px`	Inter	18px	semi_bold	#878989	1
`text-18px`	Inter	18px	500	#595959	1
`body`	Inter	16px	500	#6D6D6D	1

样式	字体	字号	字重	颜色	数量
`heading-1`	Inter	71px	700	#26231F	1
`text-58px`	Inter	58px	700	#27231F	1
`text-21px`	Inter	21px	400	#8A7762	1
`text-20px`	Inter	20px	400	#919191	1
`text-20px`	Inter	20px	semi_bold	#4F4F4F	1
`text-20px`	Inter	20px	semi_bold	#30271D	1
`text-19px`	Inter	19px	400	#8E8E8E	1
`text-18px`	Inter	18px	semi_bold	#878989	1
`text-18px`	Inter	18px	500	#595959	1
`body`	Inter	16px	500	#6D6D6D	1

Typography Reference

排版参考

Font Families:

```
Inter
```
(used 45x)

Font Sizes: 7px, 9px, 10px, 11px, 12px, 13px, 14px, 15px, 16px, 18px, 19px, 20px, 21px, 58px, 71px

字体族：

```
Inter
```
（使用45次）

字号： 7px, 9px, 10px, 11px, 12px, 13px, 14px, 15px, 16px, 18px, 19px, 20px, 21px, 58px, 71px

Spacing

间距规范

MUST use 4px grid for spacing
SHOULD use spacing from scale: 1px, 3px, 4px, 5px, 6px, 9px, 10px, 12px
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
应使用以下间距刻度：1px, 3px, 4px, 5px, 6px, 9px, 10px, 12px
元素间默认间距应使用5px
不得使用任意间距值（需遵循设计刻度）
容器内的内边距应保持一致

Borders

边框规范

MUST use border-radius from scale: 3px, 4px, 5px, 6px, 7px, 15px
SHOULD limit border widths to: 1px, 2px, 3px
SHOULD use 5px 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：3px, 4px, 5px, 6px, 7px, 15px
边框宽度应限制为：1px, 2px, 3px
默认圆角应使用5px
不得使用任意圆角值（需遵循设计刻度）
元素分隔应使用细微边框（1px）

Border Radius Reference

圆角参考

Scale: 3px, 4px, 5px, 6px, 7px, 15px

刻度： 3px, 4px, 5px, 6px, 7px, 15px

Layout

布局规范

MUST design for 1920px base viewport width
SHOULD use consistent element widths: 14px, 10px, 13px, 40px, 16px
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为基础视口宽度进行设计
应使用统一的元素宽度：14px, 10px, 13px, 40px, 16px
应保持文本为主的布局，并具备清晰的层级结构
不得使用
```
h-screen
```
，需使用
```
h-dvh
```
实现全屏高度
固定元素必须遵循
```
safe-area-inset
```
规则
方形元素应使用
```
size-*
```
而非
```
w-*
```
+
```
h-*
```

Detected Layout Patterns

已检测到的布局模式

Main Content: width: 1848px, height: 1080px
Main Content: width: 1135px, height: 583px
Main Content: width: 1135px, height: 584px

主内容区：宽度1848px，高度1080px
主内容区：宽度1135px，高度583px
主内容区：宽度1135px，高度584px

Components

组件规范

MUST use
```
0px
```
height for input fields

输入框高度必须设置为
```
0px
```

Buttons

按钮

Variant	Background	Text	Border	Height	Radius
Ghost	transparent	#41505D	none	-	-

变体	背景	文本	边框	高度	圆角
Ghost	透明	#41505D	无	-	-

Inputs

输入框

Height:
```
0px
```

高度：
```
0px
```

Interactive States

交互状态

Focus

焦点状态

MUST use
```
2px
```
outline with accent color (
```
#DCEBF4
```
)
MUST use
```
2px
```
outline-offset
NEVER remove focus indicators

必须使用2px宽的
```
#DCEBF4
```
（强调色）外轮廓
必须设置2px的外轮廓偏移量
不得移除焦点指示器

Hover

悬停状态

Buttons (primary): lighten background by 10%
Buttons (secondary): use
```
#000000
```
background
List items: use
```
#000000
```
background

主按钮：背景色提亮10%
次按钮：使用
```
#000000
```
背景
列表项：使用
```
#000000
```
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

交互逻辑

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
不得禁止
```
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，否则不得添加动画
仅允许对合成器属性（
```
transform
```
、
```
opacity
```
）进行动画处理
不得对布局属性（
```
width
```
、
```
height
```
、
```
top
```
、
```
left
```
、
```
margin
```
、
```
padding
```
）进行动画处理
入场动画应使用
```
ease-out
```
缓动
交互反馈的动画时长不得超过200ms
应遵循
```
prefers-reduced-motion
```
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

不得对大面积
```
blur()
```
或
```
backdrop-filter
```
区域进行动画处理
仅在动画活跃期间使用
```
will-change
```
任何可通过渲染逻辑实现的功能，不得使用
```
useEffect
```