- Replace customers.html with design system clientes page, add slide panel + wire to customers.js
- Replace inventory.html with design system inventario page, load inventory.js
- Add empty state component to catalog product grid (hidden, shown when no results)
- Add offline banner HTML/CSS to all three pages
- Create offline-banner.js: listens online/offline events, auto-dismisses restored banner after 3s
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Login: PIN pad con seleccion de usuario + auth real via API
- Catalogo: grid de productos con sidebar nav y filtros
- POS: layout split con numpad y area de venta
- tokens.css: sistema completo de CSS variables (colores, tipografia, espaciado)
- 2 temas: Industrial Robusto (dark/amber) y Tecnico Moderno (light/orange)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
