# Configuration
.env
.env.local

# Virtual Environment
venv/
env/
ENV/
.venv

# Python
__pycache__/
*.py[cod]
*$py.class
*.so
.Python
*.egg-info/
dist/
build/

# Input files (sensitive/large)
input/analytics/
input/**/*.csv
input/**/*.txt

# Output files (generated results)
output/results/
output/logs/
output/**/*.csv
output/**/*.txt
output/**/*.log
output/**/*.md

# Lock files
output/.~lock.*

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

# OS
.DS_Store
Thumbs.db

# Backup/rollback files
*.bak
rollback_*.csv
*_backup.csv