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aksel-spacing

navikt/copilot/skills/aksel-spacing/SKILL.md

Lag responsive layouts med Aksel Design System (v8+) - spacing tokens, layout primitives (Box, HStack, VStack, HGrid, Page, Bleed) og ResponsiveProp

Skill54 starsChanged 19 days ago

What's in it

  1. Aksel: Responsivt layout med spacing tokens
  2. Spacing-tokens
  3. CSS-variabler
  4. Breakpoints og ResponsiveProp
  5. Layout Primitives
  6. Box
  7. HStack
  8. VStack
  9. Stack
  10. HGrid
  11. Page og Page.Block
  12. Bleed
  13. Spacer
  14. Show og Hide
  15. Vanlige mønstre
  16. To-kolonne layout med sidebar
  17. Kort-grid
  18. Sentrert innhold med max-bredde
  19. Mobil-first skjema-layout
  20. Fullbredde-seksjon med bleed
  21. v7 → v8 token-migrasjon
---
name: aksel-spacing
description: Lag responsive layouts med Aksel Design System (v8+) - spacing tokens, layout primitives (Box, HStack, VStack, HGrid, Page, Bleed) og ResponsiveProp
license: MIT
compatibility: Next.js with @navikt/ds-react
metadata:
  domain: frontend
  tags: aksel design-system nav react spacing tokens layout responsive primitives
---

# Aksel: Responsivt layout med spacing tokens

Referanse for å bygge responsive layouts med Aksel v8+. Hent oppdatert dokumentasjon fra [https://aksel.nav.no/llm.md](https://aksel.nav.no/llm.md) ved behov.

> **v8-BRUDD:** Tokens = pixelverdi direkte. `--ax-space-4` = 4px (ikke 16px!). Bruk alltid tallverdien som matcher ønsket px.

---

## Spacing-tokens

Token name = eksakt pikselverdi. Full referanse: [design-tokens](https://aksel.nav.no/grunnleggende/styling/design-tokens.md)

### CSS-variabler

```css
.my-element {
  padding: var(--ax-space-16); /* 16px */
  gap: var(--ax-space-8); /* 8px */
  margin-block: var(--ax-space-32); /* 32px */
  padding-inline: var(--ax-space-24) var(--ax-space-48);
}
```

---

## Breakpoints og ResponsiveProp

Alle layout-primitives aksepterer responsiv objektverdi (mobil-first). Full referanse: [brekkpunkter](https://aksel.nav.no/grunnleggende/styling/brekkpunkter.md)

```tsx
// ResponsiveProp-syntaks – verdi per breakpoint (mobil-first)
<HStack gap={{ xs: "space-8", md: "space-24" }} />
<Box padding={{ xs: "space-16", md: "space-32", lg: "space-48" }} />
<HGrid columns={{ xs: 1, sm: 2, lg: 3 }} />
```

Utelatte breakpoints arver fra nærmeste definerte nedenfra.

---

## Layout Primitives

### Box

Fleksibelt layout-element. Brukes til padding, bakgrunn, border og posisjonering.

Props: `padding`, `paddingBlock`, `paddingInline`, `paddingBlockStart`, `paddingBlockEnd`, `paddingInlineStart`, `paddingInlineEnd`, `margin`, `marginBlock`, `marginInline`, `width`, `height`, `minWidth`, `maxWidth`, `overflow`, `background`, `borderColor`, `borderWidth`, `borderRadius`, `shadow`, `as`, `asChild`

```tsx
import { Box } from "@navikt/ds-react";

<Box padding="space-16">Innhold</Box>

// Responsiv padding
<Box
  padding={{ xs: "space-16", md: "space-32" }}
  paddingInline={{ xs: "space-16", lg: "space-48" }}
>
  Innhold
</Box>

// asChild – send props til eksisterende element
<Box asChild padding="space-24">
  <main>Innhold</main>
</Box>
```

### HStack

Horisontal flex-container.

Props: `gap`, `align`, `justify`, `wrap`, `as`, `asChild`

```tsx
import { HStack } from "@navikt/ds-react";

<HStack gap="space-16" align="center" justify="space-between">
  <Logo />
  <NavLinks />
</HStack>

// Responsiv gap
<HStack gap={{ xs: "space-8", md: "space-24" }} wrap={false}>
  <Item />
  <Item />
</HStack>
```

`align`: `"start"` | `"center"` | `"end"` | `"baseline"` | `"stretch"` (flex `align-items`)
`justify`: `"start"` | `"center"` | `"end"` | `"space-between"` | `"space-around"` | `"space-evenly"` (flex `justify-content`)

### VStack

Vertikal flex-container.

Props: `gap`, `align`, `justify`, `as`, `asChild`

```tsx
import { VStack } from "@navikt/ds-react";

<VStack gap="space-24">
  <Section />
  <Section />
</VStack>

// Responsiv gap
<VStack gap={{ xs: "space-16", md: "space-32" }}>
```

### Stack

Kombinert HStack/VStack med responsiv retning.

```tsx
import { Stack } from "@navikt/ds-react";

// Kolonne på mobil, rad på desktop
<Stack
  direction={{ xs: "column", sm: "row" }}
  gap={{ xs: "space-16", sm: "space-24" }}
  align={{ sm: "center" }}
>
  <LeftContent />
  <RightContent />
</Stack>;
```

### HGrid

CSS Grid-basert. For kolonnelayout.

Props: `columns`, `gap`, `align`, `as`, `asChild`

```tsx
import { HGrid } from "@navikt/ds-react";

// Fast antall kolonner
<HGrid columns={3} gap="space-24">

// Responsivt koloneantall
<HGrid columns={{ xs: 1, sm: 2, lg: 3 }} gap={{ xs: "space-16", md: "space-24" }}>

// CSS grid-string for avanserte oppsett
<HGrid columns="repeat(auto-fit, minmax(16rem, 1fr))" gap="space-16">

// Ulik gap horisontal/vertikal
<HGrid columns={2} gap={{ xs: "space-16 space-8" }}>
//                                   ↑ block  ↑ inline
```

`align`: `"start"` | `"center"` | `"end"` (CSS `align-items` på grid)

### Page og Page.Block

Standardisert sidelayout med header/footer-støtte. Full API: [page](https://aksel.nav.no/komponenter/primitives/page.md)

```tsx
import { Page } from "@navikt/ds-react";

<Page footer={<Footer />} footerPosition="belowFold" contentBlockPadding="end">
  <Header />
  <Page.Block as="main" width="xl" gutters>
    {/* Innhold */}
  </Page.Block>
</Page>;
```

`Page.Block` widths: `"text"` (576px) | `"md"` (768px) | `"lg"` (1024px) | `"xl"` (1280px) | `"2xl"` (1440px)
`gutters` = `padding-inline`: 3rem (>md), 1rem (≤md).

### Bleed

Negativ margin – bryt ut av container-padding.

Props: `marginInline`, `marginBlock`, `reflectivePadding`

```tsx
import { Bleed } from "@navikt/ds-react";

// Strekk bilde over container-padding
<Bleed marginInline="space-24">
  <FullWidthImage />
</Bleed>

// Kombinert bleed
<Bleed marginInline="space-32" marginBlock="space-16">
  <Banner />
</Bleed>
```

`reflectivePadding`: legg til tilsvarende padding inni, slik at innholdet ikke klemmes.

### Spacer

Fyller tilgjengelig plass i flex-container (`flex: 1 1 auto`).

```tsx
import { Spacer } from "@navikt/ds-react";

<HStack>
  <Logo />
  <Spacer /> {/* Skyver resten til høyre */}
  <NavItems />
</HStack>;
```

### Show og Hide

Conditionally skjul/vis innhold per breakpoint. Bruker CSS `display`-egenskap (ingen JS).

```tsx
import { Show, Hide } from "@navikt/ds-react";

<Hide below="md"><DesktopMenu /></Hide>   
<Show below="md"><MobileMenu /></Show>    

<Hide above="lg"><CompactView /></Hide>   
<Show above="lg"><FullView /></Show>      
```

Props: `above` | `below` (breakpoint-nøkkel: `sm` | `md` | `lg` | `xl` | `2xl`)

---

## Vanlige mønstre

### To-kolonne layout med sidebar

```tsx
<HGrid columns={{ xs: 1, lg: "280px 1fr" }} gap="space-32">
  <Box as="nav" padding="space-16">
    <Sidebar />
  </Box>
  <Box as="main">
    <Content />
  </Box>
</HGrid>
```

### Kort-grid

```tsx
<HGrid
  columns={{ xs: 1, sm: 2, xl: 3 }}
  gap={{ xs: "space-16", md: "space-24" }}
>
  {items.map((item) => (
    <Box key={item.id} padding="space-24" borderWidth="1" borderRadius="8">
      {item.content}
    </Box>
  ))}
</HGrid>
```

### Sentrert innhold med max-bredde

```tsx
// Med Page.Block
<Page.Block width="lg" gutters>
  <VStack gap="space-32">
    <Section />
    <Section />
  </VStack>
</Page.Block>

// Med Box og margin auto
<Box maxWidth="768px" marginInline="auto" paddingInline="space-24">
  <Content />
</Box>
```

### Mobil-first skjema-layout

```tsx
<VStack gap={{ xs: "space-16", md: "space-24" }}>
  <Stack direction={{ xs: "column", sm: "row" }} gap="space-16">
    <TextField label="Fornavn" />
    <TextField label="Etternavn" />
  </Stack>
  <TextField label="E-post" />
  <HStack justify="end" gap="space-8">
    <Button variant="secondary">Avbryt</Button>
    <Button>Lagre</Button>
  </HStack>
</VStack>
```

### Fullbredde-seksjon med bleed

```tsx
// Page.Block med gutters, men ett element som strekker seg full bredde
<Page.Block width="lg" gutters>
  <VStack gap="space-32">
    <Heading level="1" size="xlarge">
      Tittel
    </Heading>
    <Bleed marginInline="space-48">
      <FullWidthBanner />
    </Bleed>
    <BodyLong>Innhold</BodyLong>
  </VStack>
</Page.Block>
```

---

## v7 → v8 token-migrasjon

Tokens er ikke bakoverkompatible. Bruk codemod:

```bash
pnpm exec aksel codemod v8-spacing-tokens ./src
```

| v7 (feil i v8) | v8 (korrekt) | px   |
| -------------- | ------------ | ---- |
| `space-4`      | `space-16`   | 16px |
| `space-8`      | `space-32`   | 32px |
| `space-2`      | `space-8`    | 8px  |
| `space-1`      | `space-4`    | 4px  |

> I v7 var tokenene multiplisert med 4. I v8 er det én-til-én med pikselverdi.

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