- Add gradient header with emisor info and prominent serie/folio
- Improve status badges with pill design
- Add receptor section with left accent border
- Show complete uso CFDI descriptions
- Create card grid for payment method, forma pago, moneda
- Improve conceptos table with zebra striping and SAT keys
- Add elegant totals box with blue footer
- Enhance timbre fiscal section with QR placeholder and SAT URL
- Add update-cfdi-xml.js script for bulk XML import
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>