Add comprehensive layout and styling controls including header layout options (standard, centered, left), content width settings (contained, wide, full), and card shadow levels. Update all theme presets with these new settings. Replace placeholder images with real Unsplash product and category images for more realistic previews. Add announcement bar and sticky header toggle options for enhanced header customization.
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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Jamey Greenwood
a8c0e150c8