- Add brand assets (favicon, icons, logos) to public/icons and src/assets/brand
- Update index.html with new favicon, title, meta, Google Fonts (Plus Jakarta Sans, Inter, Outfit)
- Add brand colors, font families, and gradient utilities to Tailwind config
- Replace CSS variables with purple-tinted theme for both light and dark modes
- Create reusable BrandLogo and BrandWordmark components
- Update AppLayout header with logo and wordmark
- Update LoginPage and RegisterPage with branded logo, wordmark, and gradient buttons
- Replace all remaining "Patherly" references in SettingsPage
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>