# BottomTabBar

Primary navigation on mobile, in the thumb zone.

**Consumer provides:** 3–5 destinations with icon and label.

```html
<nav class="fdt-tabbar"><a aria-current="page"><svg class="fdt-icon">…</svg>Map</a>…</nav>
```

- Active in `electric-300`.
- Pair with a persistent back button; no sidebars on mobile.