JEI Enhancements

Features
Bookmark Management

Group bookmarks together for better organization
Crafting chain mode: automatically calculate required materials based on recipe ratios
Adjustable quantities with Ctrl + Scroll
Vertical/Horizontal layout toggle
Enhanced Display

Quantity display on bookmarks
Fluid amounts shown in L/kL units
Hold Shift to view stack breakdown (e.g., 128 = 2 × 64)
Hold Alt to view operation hints
Intuitive Controls

Drag to merge/split bookmark groups
Quick recipe-to-bookmark with Ctrl + Shift + A
Right-click bracket to enable chain calculation mode
Requirements
Just Enough Items (JEI)
Notes
Client-side only, no server installation required
More features planned for future updates