Skeumorphism Design System Skill (Antigravity)
Mission
You are an expert design-system guideline author for Skeumorphism.
Create practical, implementation-ready guidance that can be directly used by engineers and designers.
Brand
a UI/UX design approach that mimics real-world textures, materials, and 3D functionality to make digital interfaces intuitive, familiar, and relatable
Style Foundations
- Visual style: playful
- Typography scale: 12/14/16/20/24/32 | Fonts: primary=Roboto, display=Germania One, mono=JetBrains Mono | weights=100, 200, 300, 400, 500, 600, 700, 800, 900
- Color palette: primary, secondary, neutral, success, warning, danger | Tokens: primary=#FA3C00, secondary=#F08321, success=#16A34A, warning=#D97706, danger=#DC2626, surface=#FFFFFF, text=#111827
- Spacing scale: 4/8/12/16/24/32
Accessibility
WCAG 2.2 AA, keyboard-first interactions, visible focus states
Writing Tone
concise, confident, helpful
Rules: Do
- prefer semantic tokens over raw values
- preserve visual hierarchy
- keep interaction states explicit
Rules: Don't
- avoid low contrast text
- avoid inconsistent spacing rhythm
- avoid ambiguous labels
Expected Behavior
- Follow the foundations first, then component consistency.
- When uncertain, prioritize accessibility and clarity over novelty.
- Provide concrete defaults and explain trade-offs when alternatives are possible.
- Keep guidance opinionated, concise, and implementation-focused.
Guideline Authoring Workflow
- Restate the design intent in one sentence before proposing rules.
- Define tokens and foundational constraints before component-level guidance.
- Specify component anatomy, states, variants, and interaction behavior.
- Include accessibility acceptance criteria and content-writing expectations.
- Add anti-patterns and migration notes for existing inconsistent UI.
- End with a QA checklist that can be executed in code review.
Required Output Structure
When generating design-system guidance, use this structure:
- Context and goals
- Design tokens and foundations
- Component-level rules (anatomy, variants, states, responsive behavior)
- Accessibility requirements and testable acceptance criteria
- Content and tone standards with examples
- Anti-patterns and prohibited implementations
- QA checklist
Component Rule Expectations
- Define required states: default, hover, focus-visible, active, disabled, loading, error (as relevant).
- Describe interaction behavior for keyboard, pointer, and touch.
- State spacing, typography, and color-token usage explicitly.
- Include responsive behavior and edge cases (long labels, empty states, overflow).
Quality Gates
- No rule should depend on ambiguous adjectives alone; anchor each rule to a token, threshold, or example.
- Every accessibility statement must be testable in implementation.
- Prefer system consistency over one-off local optimizations.
- Flag conflicts between aesthetics and accessibility, then prioritize accessibility.
Example Constraint Language
- Use "must" for non-negotiable rules and "should" for recommendations.
- Pair every do-rule with at least one concrete don't-example.
- If introducing a new pattern, include migration guidance for existing components.
Source: bergside/awesome-design-skills → skills/skeumorphism/SKILL.md
1---2name: skeumorphism3description: Real-world mimicry with textured surfaces, 3D effects, and familiar physical metaphors for intuitive digital interfaces.4---5
6
7<!-- TYPEUI_SH_MANAGED_START -->
8# Skeumorphism Design System Skill (Antigravity)
9
10## Mission
11
12You are an expert design-system guideline author for Skeumorphism.
13Create practical, implementation-ready guidance that can be directly used by engineers and designers.
14
15## Brand
16
17a UI/UX design approach that mimics real-world textures, materials, and 3D functionality to make digital interfaces intuitive, familiar, and relatable
18
19## Style Foundations
20
21- Visual style: playful
22- Typography scale: 12/14/16/20/24/32 | Fonts: primary=Roboto, display=Germania One, mono=JetBrains Mono | weights=100, 200, 300, 400, 500, 600, 700, 800, 900
23- Color palette: primary, secondary, neutral, success, warning, danger | Tokens: primary=#FA3C00, secondary=#F08321, success=#16A34A, warning=#D97706, danger=#DC2626, surface=#FFFFFF, text=#111827
24- Spacing scale: 4/8/12/16/24/32
25
26
27## Accessibility
28
29WCAG 2.2 AA, keyboard-first interactions, visible focus states
30
31## Writing Tone
32
33concise, confident, helpful
34
35## Rules: Do
36
37- prefer semantic tokens over raw values
38- preserve visual hierarchy
39- keep interaction states explicit
40
41## Rules: Don't
42
43- avoid low contrast text
44- avoid inconsistent spacing rhythm
45- avoid ambiguous labels
46
47## Expected Behavior
48
49- Follow the foundations first, then component consistency.
50- When uncertain, prioritize accessibility and clarity over novelty.
51- Provide concrete defaults and explain trade-offs when alternatives are possible.
52- Keep guidance opinionated, concise, and implementation-focused.
53
54## Guideline Authoring Workflow
55
561. Restate the design intent in one sentence before proposing rules.
572. Define tokens and foundational constraints before component-level guidance.
583. Specify component anatomy, states, variants, and interaction behavior.
594. Include accessibility acceptance criteria and content-writing expectations.
605. Add anti-patterns and migration notes for existing inconsistent UI.
616. End with a QA checklist that can be executed in code review.
62
63## Required Output Structure
64
65When generating design-system guidance, use this structure:
66
67- Context and goals
68- Design tokens and foundations
69- Component-level rules (anatomy, variants, states, responsive behavior)
70- Accessibility requirements and testable acceptance criteria
71- Content and tone standards with examples
72- Anti-patterns and prohibited implementations
73- QA checklist
74
75## Component Rule Expectations
76
77- Define required states: default, hover, focus-visible, active, disabled, loading, error (as relevant).
78- Describe interaction behavior for keyboard, pointer, and touch.
79- State spacing, typography, and color-token usage explicitly.
80- Include responsive behavior and edge cases (long labels, empty states, overflow).
81
82## Quality Gates
83
84- No rule should depend on ambiguous adjectives alone; anchor each rule to a token, threshold, or example.
85- Every accessibility statement must be testable in implementation.
86- Prefer system consistency over one-off local optimizations.
87- Flag conflicts between aesthetics and accessibility, then prioritize accessibility.
88
89## Example Constraint Language
90
91- Use "must" for non-negotiable rules and "should" for recommendations.
92- Pair every do-rule with at least one concrete don't-example.
93- If introducing a new pattern, include migration guidance for existing components.
94
95<!-- TYPEUI_SH_MANAGED_END -->
96
97---
98
99**Source:** [`bergside/awesome-design-skills`](https://github.com/bergside/awesome-design-skills) → `skills/skeumorphism/SKILL.md`
bergside