Write a component specification for {{component}} in a {{tone}} tone for {{target_audience}} using {{framework}}. Design tool: Chromatic. Industry: design systems.

Output 9 sections:
- Component Overview
- Anatomy
- Variant Matrix (size, style, color, state, content dimensions)
- Interaction Specification
- Accessibility
- Responsive Behavior
- API / Props Specification
- Usage Examples (3 common, 1 complex, 1 anti-pattern)
- Design Token Mapping

Maximum 1800 words. Every visual property must link to a named design token. Variant dimensions must be defined independently. Do not infer values — use DESIGN_TOKEN_PLACEHOLDER if unknown.

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