Responsive Design
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Implement modern responsive layouts using container queries, fluid typography, CSS Grid, and mobile-first breakpoint strategies. Use when building adaptive interfaces, implementing fluid layouts, or creating component-level responsive behavior.
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Frontmatter — 2 properties
| name | responsive-design |
|---|---|
| description | Implement modern responsive layouts using container queries, fluid typography, CSS Grid, and mobile-first breakpoint strategies. Use when building adaptive interfaces, implementing fluid layouts, or creating component-level responsive behavior. |
| 1 | --- |
| 2 | name: responsive-design |
| 3 | description: Implement modern responsive layouts using container queries, fluid typography, CSS Grid, and mobile-first breakpoint strategies. Use when building adaptive interfaces, implementing fluid layouts, or creating component-level responsive behavior. |
| 4 | ---A5 — No allowed-tools declared — no way to tell what this skill may touch |
| 5 | |
| 6 | # Responsive Design |
| 7 | |
| 8 | Master modern responsive design techniques to create interfaces that adapt seamlessly across all screen sizes and device contexts. |
| 9 | |
| 10 | ## When to Use This Skill |
| 11 | |
| 12 | - Implementing mobile-first responsive layouts |
| 13 | - Using container queries for component-based responsiveness |
| 14 | - Creating fluid typography and spacing scales |
| 15 | - Building complex layouts with CSS Grid and Flexbox |
| 16 | - Designing breakpoint strategies for design systems |
| 17 | - Implementing responsive images and media |
| 18 | - Creating adaptive navigation patterns |
| 19 | - Building responsive tables and data displays |
| 20 | |
| 21 | ## Detailed patterns and worked examples |
| 22 | |
| 23 | Detailed pattern documentation lives in `references/details.md`. Read that file when the navigation tier above is insufficient. |
| 24 | |
| 25 | ## Best Practices |
| 26 | |
| 27 | 1. **Mobile-First**: Start with mobile styles, enhance for larger screens |
| 28 | 2. **Content Breakpoints**: Set breakpoints based on content, not devices |
| 29 | 3. **Fluid Over Fixed**: Use fluid values for typography and spacing |
| 30 | 4. **Container Queries**: Use for component-level responsiveness |
| 31 | 5. **Test Real Devices**: Simulators don't catch all issues |
| 32 | 6. **Performance**: Optimize images, lazy load off-screen content |
| 33 | 7. **Touch Targets**: Maintain 44x44px minimum on mobile |
| 34 | 8. **Logical Properties**: Use inline/block for internationalization |
| 35 | |
| 36 | ## Common Issues |
| 37 | |
| 38 | - **Horizontal Overflow**: Content breaking out of viewport |
| 39 | - **Fixed Widths**: Using px instead of relative units |
| 40 | - **Viewport Height**: 100vh issues on mobile browsers |
| 41 | - **Font Size**: Text too small on mobile |
| 42 | - **Touch Targets**: Buttons too small to tap accurately |
| 43 | - **Aspect Ratio**: Images squishing or stretching |
| 44 | - **Z-Index Stacking**: Overlays breaking on different screens |
| 45 |
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