# Python cache
__pycache__/
*.py[cod]
*$py.class
*.so
.Python

# Virtual environment
venv/
env/
ENV/

# Output directory (keep structure but ignore contents)
output/*
!output/.gitkeep

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

# OS
.DS_Store
Thumbs.db