frontend/src/lib/recipes/RecipeHero.svelte

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+<script lang="ts">
+	type RecipeHeroProps = {
+		recipe: {
+			id: string;
+			name: string;
+			serves?: number;
+			cookTimeMin?: number;
+			effort?: string;
+			heroImageUrl?: string;
+			tags: { id: string; name: string; tagType?: string }[];
+		};
+	};
+
+	let { recipe }: RecipeHeroProps = $props();
+
+	let hasImage = $derived(!!recipe.heroImageUrl);
+
+	let pillBase = $derived(
+		hasImage
+			? 'bg-white/20 text-[13px] font-medium font-sans px-[10px] py-[4px] rounded-full'
+			: 'bg-[var(--color-border)] text-[var(--color-text-muted)] text-[13px] font-medium font-sans px-[10px] py-[4px] rounded-full'
+	);
+
+	let cookBtnClass = $derived(
+		hasImage
+			? 'font-sans text-[13px] font-medium tracking-[0.04em] bg-white text-[var(--green-dark)] rounded-[var(--radius-md)] px-[24px] py-[12px] mt-[16px] inline-block'
+			: 'font-sans text-[13px] font-medium tracking-[0.04em] bg-[var(--green-dark)] text-white rounded-[var(--radius-md)] px-[24px] py-[12px] mt-[16px] inline-block'
+	);
+</script>
+
+<div
+	data-testid="recipe-hero"
+	class="{hasImage
+		? 'relative text-white'
+		: 'bg-[var(--green-tint)] text-[var(--color-text)]'} p-[24px] md:p-[32px]"
+>
+	{#if hasImage}
+		<img
+			src={recipe.heroImageUrl}
+			alt={recipe.name}
+			class="object-cover w-full h-full absolute inset-0"
+		/>
+		<div class="absolute inset-0" style="background: rgba(0,0,0,0.5);"></div>
+	{/if}
+
+	<div class="relative">
+		<a href="/recipes" class="text-sm">← Zurück</a>
+
+		<h1 class="font-[var(--font-display)] text-[24px] md:text-[28px] font-[400] mt-[8px]">
+			{recipe.name}
+		</h1>
+
+		<div class="flex gap-[8px] flex-wrap mt-[12px]">
+			{#if recipe.cookTimeMin != null}
+				<span class={pillBase}>{recipe.cookTimeMin} Min</span>
+			{/if}
+			{#if recipe.effort}
+				<span class={pillBase}>{recipe.effort}</span>
+			{/if}
+			{#if recipe.serves != null}
+				<span class={pillBase}>{recipe.serves} Port.</span>
+			{/if}
+		</div>
+
+		<a href="/cook/{recipe.id}" class={cookBtnClass}>Jetzt kochen</a>
+	</div>
+</div>

frontend/src/lib/recipes/RecipeHero.test.ts

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+import { describe, it, expect } from 'vitest';
+import { render, screen } from '@testing-library/svelte';
+import RecipeHero from './RecipeHero.svelte';
+
+const baseRecipe = {
+	id: 'r1',
+	name: 'Spaghetti Bolognese',
+	serves: 4,
+	cookTimeMin: 30,
+	effort: 'Easy',
+	heroImageUrl: undefined as string | undefined,
+	tags: [] as { id: string; name: string; tagType?: string }[]
+};
+
+describe('RecipeHero', () => {
+	it('renders the recipe name', () => {
+		render(RecipeHero, { props: { recipe: baseRecipe } });
+		expect(screen.getByText('Spaghetti Bolognese')).toBeInTheDocument();
+	});
+
+	it('renders green-tint hero when no image', () => {
+		render(RecipeHero, { props: { recipe: baseRecipe } });
+		const hero = document.querySelector('[data-testid="recipe-hero"]');
+		expect(hero?.className).toContain('bg-[var(--green-tint)]');
+	});
+
+	it('renders image when heroImageUrl is provided', () => {
+		render(RecipeHero, {
+			props: { recipe: { ...baseRecipe, heroImageUrl: '/uploads/pasta.jpg' } }
+		});
+		const img = screen.getByRole('img', { name: /spaghetti bolognese/i });
+		expect(img).toHaveAttribute('src', '/uploads/pasta.jpg');
+	});
+
+	it('renders cook time pill', () => {
+		render(RecipeHero, { props: { recipe: baseRecipe } });
+		expect(screen.getByText(/30 Min/)).toBeInTheDocument();
+	});
+
+	it('renders effort pill', () => {
+		render(RecipeHero, { props: { recipe: baseRecipe } });
+		expect(screen.getByText(/Easy/)).toBeInTheDocument();
+	});
+
+	it('renders serves pill', () => {
+		render(RecipeHero, { props: { recipe: baseRecipe } });
+		expect(screen.getByText(/4/)).toBeInTheDocument();
+	});
+
+	it('renders back link to /recipes', () => {
+		render(RecipeHero, { props: { recipe: baseRecipe } });
+		const backLink = screen.getByRole('link', { name: /zurück/i });
+		expect(backLink).toHaveAttribute('href', '/recipes');
+	});
+
+	it('renders cook now link to /cook/[id]', () => {
+		render(RecipeHero, { props: { recipe: baseRecipe } });
+		const cookLink = screen.getByRole('link', { name: /jetzt kochen/i });
+		expect(cookLink).toHaveAttribute('href', '/cook/r1');
+	});
+
+	it('does not render img when no heroImageUrl', () => {
+		render(RecipeHero, { props: { recipe: baseRecipe } });
+		expect(screen.queryByRole('img')).not.toBeInTheDocument();
+	});
+});