> For the complete documentation index, see [llms.txt](https://sonic-ai-works.gitbook.io/sonic-networks-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sonic-ai-works.gitbook.io/sonic-networks-docs/documentation/developers/frontend-and-design-system/desktop-web-ui.md).

# Desktop Web UI

Next.js desktop application shells, layout composition, design tokens, shared components and responsive implementation.

Desktop SONIC uses a light-first product shell with separate marketing and authenticated application composition boundaries.

## Implementation baseline

```
Marketing
→ website header / product navigation / website footer

Authenticated app
→ sidebar
→ topbar
→ role + entitlement-aware main content
→ optional inspector/right rail
→ compact app footer
```

Do not conditionally hide one universal nav tree. Keep MarketingLayout and application/dashboard layouts structurally separate.

## Shared UI

* semantic design tokens rather than route-local colors;
* 12–16px interaction/card radii unless a product spec defines otherwise;
* black primary actions on light product surfaces;
* SONIC red reserved for selected/brand/accent states;
* keyboard navigation, visible focus and reduced motion;
* responsive reflow at tablet/mobile breakpoints;
* product data never sourced from visual fixtures.

Next.js components consume normalized SONIC domain/API abstractions rather than embedding provider-specific business logic.


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