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

# Data - NEVER commit any data files
data/
*.csv
*.txt
*.parquet
*.feather
*.xlsx
*.xls
*.duckdb

# Results and outputs
results/
outputs/
figures/
logs/
*.log

# Environment
.env
.env.local
.env.development
.env.production
.DS_Store

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

# Jupyter
.ipynb_checkpoints/
*.ipynb

# Testing
.pytest_cache/
.coverage
htmlcov/
.mypy_cache/
.ruff_cache/

# Test files for real data (not for public release)
test_real_data.py

# Claude Code - local settings only
.claude/settings.local.json

# Allow Claude Code config files (override exclusions)
!CLAUDE.md
!.claude/settings.json
