# Environment variables
.env
.env.local
.env.*.local

# Node.js
node_modules/

# Python
__pycache__/
*.py[cod]
*$py.class
*.so
.Python
build/
develop-eggs/
dist/
downloads/
eggs/
.eggs/
lib/
lib64/
parts/
sdist/
var/
wheels/
*.egg-info/
.installed.cfg
*.egg

# Virtual environments
venv/
env/
ENV/
.venv

# IDE
.vscode/
.idea/
*.swp
*.swo
*~

# OS
.DS_Store
Thumbs.db

# Project specific - intermediate results
intermediate/
!intermediate/.gitkeep

# Project specific - results
results/
!results/.gitkeep

# Project specific - cache
resultscache/
!resultscache/.gitkeep
.cache/
cache/

# Logs
*.log
logs/

# Temporary files
tmp/
temp/
*.tmp

# Claude Code
.claude/

# Claude start scripts (contain API keys)
claude*.sh

# Test outputs
test_output/

