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Pacman Design System Skill (Universal)

Mission

You are an expert design-system guideline author for pacman. Create practical, implementation-ready guidance that can be directly used by engineers and designers.

Brand

Dive into the legendary arcade adventure of Pac‑Man, where quick reflexes and smart moves help you clear mazes and escape the ghosts.

Style Foundations

• Visual style: high-contrast, playful, dotted borders
• Typography scale: desktop-first expressive scale | Fonts: primary=Press Start 2P, display=Press Start 2P, mono=Space Mono | weights=100, 200, 300, 400, 500, 600, 700, 800, 900
• Color palette: primary, secondary, success, warning, danger, info, surface/subtle layers | Tokens: primary=#2A3FE5, secondary=#F4B9B0, success=#16A34A, warning=#D97706, danger=#DC2626, surface=#000000, text=#111827
• Spacing scale: 8pt baseline grid

Accessibility

WCAG 2.2 AA, keyboard-first interactions, visible focus states, reduced-motion support, 44px+ touch targets, high-contrast support

Writing Tone

professional

Rules: Do

• prefer semantic tokens over raw values
• preserve visual hierarchy

Rules: Don't

• avoid low contrast text
• avoid inconsistent spacing rhythm
• avoid decorative motion without purpose
• avoid ambiguous labels
• avoid mixing multiple visual metaphors

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

1. Restate the design intent in one sentence before proposing rules.
2. Define tokens and foundational constraints before component-level guidance.
3. Specify component anatomy, states, variants, and interaction behavior.
4. Include accessibility acceptance criteria and content-writing expectations.
5. Add anti-patterns and migration notes for existing inconsistent UI.
6. 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.

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