diff --git a/.gitignore b/.gitignore
index 5e6c47f..da144fa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,22 @@
 # Local Claude Code configuration (per-machine)
 .claude/
+
+# IDE
+.idea/
+.vscode/
+*.iml
+*.iws
+*.ipr
+.project
+.classpath
+.settings/
+
+# OS
+.DS_Store
+Thumbs.db
+desktop.ini
+
+# Editor backups
+*.swp
+*.swo
+*~