Paddle UI Skills

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

When to Apply

Reference these guidelines when:

• Building light-mode interfaces

• Creating Paddle-inspired design systems

• Implementing UIs with Inter font and 4px grid

Colors

• SHOULD use light backgrounds for primary surfaces

• MUST use #FDFDFD as page background (surface-base )

• MUST use #3475F2 for primary actions and focus states (accent )

• SHOULD reduce color palette (currently 23 colors detected)

• MUST maintain text contrast ratio of at least 4.5:1 for accessibility

Semantic Tokens

Token HEX RGB Usage

surface-base

#FDFDFD rgb(253,253,253) Page background

surface-raised

#78FDAF rgb(120,253,175) Cards, modals, raised surfaces

surface-overlay

#E0E0E1 rgb(224,224,225) Overlays, tooltips, dropdowns

text-primary

#2E8D5F rgb(46,141,95) Headings, body text

text-secondary

#6F7070 rgb(111,112,112) Secondary, muted text

text-tertiary

#929292 rgb(146,146,146) Additional text

border-default

#8FF5BA rgb(143,245,186) Subtle borders, dividers

accent

#3475F2 rgb(52,117,242) Primary actions, links, focus

success

#78FDAF rgb(120,253,175) Success states, confirmations

Typography

• MUST use Inter as primary font family

• SHOULD use single font family for consistency

• MUST use 74px / 700 for primary headings

• MUST use 32px / 500 for body text

• SHOULD reduce font weights (currently 6 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 74px 700 #E3E5E4 1

body

Inter 32px 500 #CCD0D1 1

body-secondary

Inter 30px extra_bold #E5E6E3 1

text-23px

Inter 23px semi_bold #D7D9D6 1

text-19px

Inter 19px 400 #969996 1

text-18px

Inter 18px 700 #DADBD9 1

text-16px

Inter 16px 400 #5A5E5D 1

text-15px

Inter 15px 400 #4F5150 1

text-15px

Inter 15px 400 #B1B5B1 1

text-15px

Inter 15px 400 #7D8182 1

Typography Reference

Font Families:

• Inter (used 48x)

Font Sizes: 7px, 8px, 9px, 10px, 11px, 12px, 13px, 14px, 15px, 16px, 18px, 19px, 23px, 30px, 32px, 74px

Spacing

• MUST use 4px grid for spacing

• SHOULD use spacing from scale: 1px, 2px, 3px, 4px, 5px, 6px, 7px, 10px

• 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: 0px, 1px, 2px, 3px, 4px, 6px, 7px, 9px, 13px

• MUST use 1px border width consistently

• SHOULD use 4px 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: 0px, 1px, 2px, 3px, 4px, 6px, 7px, 9px, 13px

Layout

• MUST design for 1920px base viewport width

• SHOULD use consistent element widths: 33px, 28px, 306px, 25px, 17px

• 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: 726px

• Header: height: 85px

Components

Buttons

Variant Background Text Border Height Radius

Ghost transparent #2E8D5F none

Interactive States

Focus

• MUST use 2px outline with accent color (#3475F2 )

• MUST use 2px outline-offset

• NEVER remove focus indicators

Hover

• Buttons (primary): lighten background by 10%

• Buttons (secondary): use #78FDAF background

• List items: use #78FDAF 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