shortcut-ui-skills

Shortcut UI Skills

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

When to Apply

Reference these guidelines when:

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

Colors

• SHOULD use light backgrounds for primary surfaces
• MUST use #FFFFFF as page background (surface-base)
• MUST use #3831BF for primary actions and focus states (accent)
• SHOULD reduce color palette (currently 26 colors detected)
• MUST maintain text contrast ratio of at least 4.5:1 for accessibility

Semantic Tokens

Token	HEX	RGB	Usage
surface-base	#FFFFFF	rgb(255,255,255)	Page background
surface-raised	#EBECF0	rgb(235,236,240)	Cards, modals, raised surfaces
surface-overlay	#D7EAF5	rgb(215,234,245)	Overlays, tooltips, dropdowns
text-primary	#949494	rgb(148,148,148)	Headings, body text
text-2	#545454	rgb(84,84,84)	Additional text
text-secondary	#A0A1A6	rgb(160,161,166)	Secondary, muted text
border-default	#E3E0D5	rgb(227,224,213)	Subtle borders, dividers
warning	#523F1D	rgb(82,63,29)	Warning states, cautions
accent	#3831BF	rgb(56,49,191)	Primary actions, links, focus

Typography

• MUST use Inter as primary font family
• SHOULD use single font family for consistency
• MUST use 50px / 700 for primary headings
• MUST use 21px / 400 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

Text Styles

Style	Font	Size	Weight	Color	Count
heading-1	Inter	50px	700	#433CB7	1
heading-2	Inter	50px	700	#121212	1
text-25px	Inter	25px	semi_bold	#1F1F1F	1
body	Inter	21px	400	#747379	1
body-secondary	Inter	20px	400	#949494	1
body-secondary	Inter	20px	400	#999999	1
body-secondary	Inter	19px	400	#919191	2
body-secondary	Inter	19px	400	#8E8E8E	1
body-secondary	Inter	18px	400	#979797	1
body-secondary	Inter	18px	400	#949494	1

Typography Reference

Font Families:

• Inter (used 62x)

Font Sizes: 6px, 8px, 9px, 10px, 11px, 12px, 13px, 14px, 15px, 16px, 17px, 18px, 19px, 20px, 21px, 25px, 50px

Spacing

• MUST use 4px grid for spacing
• SHOULD use spacing from scale: 1px, 2px, 3px, 4px, 5px, 6px, 8px, 9px
• SHOULD use 2px as default gap between elements
• NEVER use arbitrary spacing values (use design scale)
• SHOULD maintain consistent padding within containers

Borders

• MUST use border-radius from scale: 1px, 2px, 3px, 4px, 6px, 7px, 21px
• SHOULD use 21px+ radius for pill-shaped elements
• SHOULD limit border widths to: 1px, 2px, 3px
• SHOULD use 3px as default border-radius
• NEVER use arbitrary border-radius values (use design scale)
• SHOULD use subtle borders (1px) for element separation

Border Radius Reference

Scale: 1px, 2px, 3px, 4px, 6px, 7px, 21px

Layout

• MUST design for 1920px base viewport width
• SHOULD use consistent element widths: 16px, 9px, 10px, 15px, 185px
• 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: 1496px, height: 589px
• Main Content: width: 1491px, height: 556px
• Main Content: width: 1853px, height: 1053px

Components

• MUST use 0px height for input fields

Buttons

Variant	Background	Text	Border	Height	Radius
Ghost	transparent	#76858F	none	-	-

Inputs

• Height: 0px

Interactive States

Focus

• MUST use 2px outline with accent color (#3831BF)
• MUST use 2px outline-offset
• NEVER remove focus indicators

Hover

• Buttons (primary): lighten background by 10%
• Buttons (secondary): use #EBECF0 background
• List items: use #EBECF0 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