Gallery
ClickFocus card (yellow highlight)
Double-clickOpen card editor
Alt + ClickToggle green multi-select
Shift + ClickRange select (green)
SpaceQuick-look preview
← → ↑ ↓Navigate cards
EnterEdit focused card
EscClose preview / editor
Editor
+ New CardOpen editor for a new card
Double-clickEdit an existing card
Click imageChoose artwork from files
Drag & dropDrop image onto artwork area
Save CardCommit changes and close
Click outsideDiscard & close (prompts if unsaved)
Selection
Delete SelectedDelete all green-highlighted cards
⋮ menuPreview, edit, duplicate, or delete a card
Right-clickOpen card context menu
Data
Export → JSONDownload all cards as a backup
Export → CSVSpreadsheet of card metadata
Export → PDFPrint-ready sheet (63 × 88 mm cards)
ImportMerge cards from a JSON backup