/target
/Cargo.lock
**/*.rs.bk
*.pdb
*.swp
*.swo
*~

# Environment variables (NEVER commit credentials!)
.env
.env.local

# IDE
.idea
.vscode
*.iml

# OS
.DS_Store
Thumbs.db

# Examples output
examples/*.xlsx
examples/*.csv
examples/*.xls

# Test files
tests/data/*.xlsx
tests/data/*.xls
!tests/data/sample.xlsx

# Benchmarks
benches/results/

*.xls
*.xlsx