CSS Grid Layout Prompt

Write a CSS Grid layout prompt for:

Layout type: {LAYOUT} (e.g., Magazine, Dashboard, Masonry)
Columns: {COLUMNS}
Gap size: {GAP}
Responsive breakpoints: {BREAKPOINTS}

Provide:
1. HTML container structure
2. CSS Grid properties (grid-template-areas, etc.)
3. Media queries for mobile adaptation
4. Fallback for older browsers