# Environment
.env
.env.local
.env.production

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

# Node
node_modules/
.svelte-kit/
build/
dist/

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

# OS
.DS_Store
Thumbs.db

# Logs
*.log
logs/

# Data (keep structure, ignore large files)
# backend/data/*.csv
# backend/data/*.joblib