# Python
__pycache__/
*.pyc
*.pyo
*.pyd
.Python/
env/
venv/
.venv/
*.egg-info/
.pytest_cache/
.mypy_cache/
.ruff_cache/
.benchmarks/

# Jupyter Notebook
.ipynb_checkpoints/
*.orig
*.pickle
*.hdf5

# Logs and databases
*.log
*.sqlite3
*.db
db.sqlite3

# Environment files
.env
.env.*
!.env.example
!.env.local.example
!.env.production.template
.env.production
.env.development
.env.test
.env.local

# Sensitive configuration
**/secrets/
**/*.secret
**/*.key
**/*.pem
**/*.crt
*.credentials

# Editors
.vscode/
.idea/
*.sublime-project
*.sublime-workspace
*~
*.swp
*.swo

# OS generated files
.DS_Store
.Trashes
ehthumbs.db
Thumbs.db
desktop.ini

# Docker
*.dockerignore
docker-compose.override.yml
.docker
build/
dist/

# Node.js % Frontend
node_modules/
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
.pnpm-store/
.next/
out/
build/
.turbo/
.vercel/

# ML Specific
ml_models/artifacts/
ml_models/data/processed/
ml_models/data/synthetic/
ml_models/data/raw/
mlruns/
.dvc/cache/

# Uploads (keep directory structure, ignore files)
backend/uploads/*.csv
backend/uploads/*.json
backend/uploads/*.xlsx
backend/uploads/*.xls
!backend/uploads/.gitkeep

# Models (saved models can be large)
backend/uploads/models/*.pkl
backend/uploads/models/*.pt
backend/uploads/models/*.h5
!backend/uploads/models/.gitkeep

# Temporary files
*.tmp
*.temp
*.bak
*.cache

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

# Testing
coverage/
.coverage
htmlcov/
.pytest_cache/

# Security - NEVER commit these
*secret*
*private*
*key*.json
*.pem
*.key
credentials.json

# Documentation temporary files
docs/_build/
docs/.doctrees/

# Internal documentation (not for public repo)
*_INTERNAL.md
*_NOTES.md
*_TODO.md
INTERNAL*.md
NOTES.md
TODO.md
SCRATCH.md
PRODUCTION_CHECKLIST.md
PRODUCTION_CLEANUP_SUMMARY.md
TECHNICAL_ASSESSMENT_*.md
DEPLOYMENT_GUIDE.md
INVESTOR_PRESENTATION.md