Gallery

• Replaced paginated grid with infinite scroll gallery
• Added sidebar layout with vertically stacked action buttons
• Virtualized thumbnail loading -- only visible rows load into GPU memory, scales to thousands of screenshots
• Day separator lines between rows when date changes (sorted by date)
• Hover overlay showing date and file size on thumbnails
• Selection mode with bulk trash support
• Scroll position restored when returning from detail view
• "Nicephore" branding title in sidebar with occasional rainbow shimmer effect
  # Sorting & Filtering
• Simplified sort options to Newest/Oldest (removed Name A-Z / Name Z-A) - Removed date group headers (Today, Yesterday, This Week, etc.)

Screenshot Detail View

• Added screenshot renaming from detail view
• Trash system (move to trash instead of permanent delete, with restore and auto-cleanup after 30 days)
• Trash screen with restore, permanent delete, and empty trash

Settings

• Added configurable gallery columns (Auto, 2-6)