# OS
.DS_Store
Thumbs.db

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

# Python
__pycache__/
*.py[cod]
*.pyo
*.pyd
.Python
.pytest_cache/
.mypy_cache/
.ruff_cache/
.coverage
.coverage.*
htmlcov/
.tox/
.nox/
.venv/
venv/
env/

# Environment variables / secrets
.env
.env.*
!.env.example

# Backend runtime artifacts
backend/problem_bank.db
backend/*.db
backend/uploads/

# Frontend (Node/Vite)
frontend/node_modules/
frontend/dist/
frontend/.vite/
frontend/.cache/
frontend/*.tsbuildinfo

# Logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*

# Cursor / local generated artifacts
.cursor/
!.cursor/rules/
!.cursor/rules/**