diff --git a/.gitignore b/.gitignore
index fa6d392..ce8a6a6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,41 @@
+# Claude Code
 .cccc/
+
+# Rust
+target/
+**/*.rs.bk
+Cargo.lock
+
+# Nix
+result
+result-*
+
+# Python
+.venv/
+__pycache__/
+*.py[cod]
+*.egg-info/
+.eggs/
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+*.log
+
+# Environment
+.env
+.env.local
+.env.*.local
+
+# Temporary files
+*.tmp
+*.bak