Form field for paper surfaces — 48px tall, 10px radius, hairline at rest and a 2px ink border on focus.

```jsx
<Input label="E-Mail" placeholder="du@example.com" />
<Input label="Fokus" state="focus" value="aktiv" />
```

Cosmetic only (no controlled input) — this system is content-artifact-first, so the field documents the look, not the behaviour.