Styled Jsx Component

styled-jsx Component Skill (React Functional Components)

You are creating or refactoring a React FUNCTIONAL component that uses styled-jsx for styling.

Inputs

• $ARGUMENTS may include a component name and a short intent/variant description.

Non-negotiables

1. Functional component only (no class components).
2. Prefer semantic HTML and accessibility by default:
   • Correct element choice (button/a/input/etc)
   • Keyboard support
   • aria-* only when needed
3. Use styled-jsx {...} for component-scoped CSS.
4. Keep styling maintainable:
   • Prefer CSS variables for theming/tokens
   • Avoid overly-specific selectors
   • Avoid styling through DOM structure that will change easily
5. Variants:
   • Prefer a single "variant" prop (string union) over many booleans.
   • Use data attributes (e.g., data-variant) for styling hooks.
6. Dynamic styling:
   • Prefer className toggling or CSS variables for runtime values.
   • Use template literal interpolation only when it’s necessary and safe.
7. SSR/Next.js considerations:
   • styled-jsx is SSR-compatible; do not use browser-only APIs during render.

Output expectations

• Create/modify files per template.md.
• Provide:
  1. Component implementation
  2. Minimal test (render + primary interaction + a11y)
  3. Storybook story (basic variants)
  4. Short usage snippet

Best-practice patterns to apply

• Tokens:
  • Use CSS vars like --color-fg, --color-bg, --radius, --space-2.
  • Provide sensible defaults in :root only when asked; otherwise keep tokens local to the component with fallback values.
• Prefer:
  • :global(...) only for one-off escape hatches
  • data-* attributes for styling states (data-state, data-variant)
• Avoid:
  • Global leakage
  • Deep descendant styling
  • Interpolating untrusted strings into CSS

Use the accompanying template.md as the default structure; deviate only when the component needs a different intrinsic element type or ref pattern.

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