Theme Customization: Color, Density, and Card Variants

Brand Colors

• Update brand tokens in tailwind.config.js
• Prefer semantic tokens for future flexibility

Density

• Adjust paddings/margins in components (e.g., PostCard VARIANT_STYLES)
• Keep compact/regular/featured variants consistent across breakpoints

Card Variants

• default: balanced
• featured: larger image, more text
• compact: smaller image, tighter spacing