diff --git a/TODO.md b/TODO.md
index e18bcad..36cc2ff 100644
--- a/TODO.md
+++ b/TODO.md
@@ -9,9 +9,21 @@
 ## TODO
 
 - [ ] Display sub-lines of the form `key: value` immediately after item
+- [ ] Make it a proper PWA with the minimal-pwa technique
 
 ## Bugs
 
+## Refactor
+
+- [ ] Consolidate modal logic into generic modal handler
+- [ ] Extract file operations into higher-level abstraction
+- [ ] Simplify drop indicator logic
+- [ ] Consolidate menu creation (card menus and burger menu)
+- [ ] Extract line parsing logic - separate parsing from state management
+- [ ] Reduce IndexedDB boilerplate with generic DB operation wrapper
+- [ ] Make createAddForm more generic to handle both columns and cards
+- [ ] Extract and consolidate indent detection functions
+
 ## Done
 
 - [x] Warning colored note on home and about page if browser doesn't support FileSystem Access API.