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things-ui-skills

Original：🇺🇸 English

Translated

Things's UI design system. Use when building interfaces inspired by Things's aesthetic - light mode, Inter font, 8px grid.

3installs

Sourceihlamury/design-skills

Added on2026-02-07

NPX Install

npx skill4agent add ihlamury/design-skills things-ui-skills

Tags

Translated version includes tags in frontmatter

things-ui-design design-constraints accessibility-guidelines typography-specs layout-standards

SKILL.md Content

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Things UI Skills

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

When to Apply

Reference these guidelines when:

Building light-mode interfaces
Creating Things-inspired design systems
Implementing UIs with Inter font and 8px grid

Colors

SHOULD use light backgrounds for primary surfaces
MUST use
```
#EEF2F5
```
as page background (
```
surface-base
```
)
MUST use
```
#729AE0
```
for primary actions and focus states (
```
accent
```
)
SHOULD limit color palette to 5 distinct colors
MUST maintain text contrast ratio of at least 4.5:1 for accessibility

Semantic Tokens

Token	HEX	RGB	Usage
`surface-base`	#EEF2F5	rgb(238,242,245)	Page background
`text-primary`	#729AE0	rgb(114,154,224)	Headings, body text
`text-2`	#5A5E61	rgb(90,94,97)	Additional text
`text-tertiary`	#2F343B	rgb(47,52,59)	Additional text
`accent`	#729AE0	rgb(114,154,224)	Primary actions, links, focus

Typography

MUST use
```
Inter
```
as primary font family
SHOULD use single font family for consistency
MUST use
```
49px
```
/
```
700
```
for primary headings
MUST use
```
23px
```
/
```
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

Text Styles

Style	Font	Size	Weight	Color	Count
`heading-1`	Inter	49px	700	#2F343B	1
`body`	Inter	23px	400	#5A5E61	1
`text-20px`	Inter	20px	500	#729AE0	1
`text-19px`	Inter	19px	semi_bold	#9298A0	1
`text-14px`	Inter	14px	400	#9499A1	1
`text-14px`	Inter	14px	400	#989CA4	1
`caption`	Inter	11px	400	#989DA4	1

Typography Reference

Font Families:

```
Inter
```
(used 7x)

Font Sizes: 11px, 14px, 19px, 20px, 23px, 49px

Spacing

MUST use 8px grid for spacing
SHOULD use spacing from scale: 72px
SHOULD use 72px as default gap between elements
NEVER use arbitrary spacing values (use design scale)
SHOULD maintain consistent padding within containers

Borders

NEVER use arbitrary border-radius values (use design scale)
SHOULD use subtle borders (1px) for element separation

Layout

MUST design for 1920px base viewport width
SHOULD use consistent element widths: 35px, 64px
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-*
```

Detected Layout Patterns

Main Content: width: 1920px, height: 1080px
Main Content: width: 1920px, height: 1024px

Components

Interactive States

Focus

MUST use
```
2px
```
outline with accent color (
```
#729AE0
```
)
MUST use
```
2px
```
outline-offset
NEVER remove focus indicators

Hover

Buttons (primary): lighten background by 10%
Buttons (secondary): use
```
surface-raised
```
background
List items: use
```
surface-raised
```
background

Disabled

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

Interaction

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

Animation

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
```

Performance

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