diff --git a/app/assets/css/journal-base.css b/app/assets/css/journal-base.css
new file mode 100644
index 0000000..7a6700d
--- /dev/null
+++ b/app/assets/css/journal-base.css
@@ -0,0 +1,281 @@
+/* Neutral Journal styles. Only --journal-* tokens; no site colours. */
+
+.journal-layout {
+  box-sizing: border-box;
+  max-width: var(--journal-wide-width);
+  margin: 0 auto;
+  padding: var(--journal-space-5) var(--journal-space-4) var(--journal-space-6);
+  color: var(--journal-color-text);
+  background: var(--journal-color-bg);
+  font-family: var(--journal-font-body);
+  font-size: var(--journal-font-size-base);
+  line-height: var(--journal-line-height);
+}
+
+.journal-layout a {
+  color: var(--journal-color-link);
+}
+
+.journal-layout a:hover {
+  color: var(--journal-color-link-hover);
+}
+
+.journal-layout a:focus-visible {
+  outline: 2px solid var(--journal-color-accent);
+  outline-offset: 2px;
+}
+
+.journal-layout h1,
+.journal-layout h2,
+.journal-layout h3 {
+  font-family: var(--journal-font-heading);
+  line-height: 1.25;
+}
+
+/* Headers */
+.journal-index-header,
+.journal-category-header {
+  margin-bottom: var(--journal-space-5);
+}
+
+.journal-index-header__title,
+.journal-category-header__title {
+  margin: 0 0 var(--journal-space-2);
+}
+
+.journal-category-header__description {
+  margin: 0 0 var(--journal-space-4);
+  color: var(--journal-color-muted);
+}
+
+.journal-category-header__content {
+  max-width: var(--journal-content-width);
+}
+
+/* Post page */
+.journal-post {
+  max-width: var(--journal-content-width);
+  margin: 0 auto;
+}
+
+.journal-post__title {
+  margin: 0 0 var(--journal-space-3);
+}
+
+.journal-post-meta {
+  display: flex;
+  flex-wrap: wrap;
+  gap: var(--journal-space-2) var(--journal-space-3);
+  margin-bottom: var(--journal-space-4);
+  color: var(--journal-color-muted);
+  font-size: 0.9em;
+}
+
+.journal-post-meta__categories {
+  display: flex;
+  flex-wrap: wrap;
+  gap: var(--journal-space-2);
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+.journal-featured-image {
+  margin: 0 0 var(--journal-space-4);
+}
+
+.journal-featured-image img {
+  display: block;
+  width: 100%;
+  height: auto;
+  aspect-ratio: var(--journal-image-ratio);
+  object-fit: cover;
+  border-radius: var(--journal-radius-lg);
+  background: var(--journal-color-surface);
+}
+
+.journal-post__siblings {
+  display: flex;
+  justify-content: space-between;
+  gap: var(--journal-space-3);
+  margin: var(--journal-space-5) 0;
+  padding-top: var(--journal-space-4);
+  border-top: 1px solid var(--journal-color-border);
+}
+
+.journal-post__siblings span {
+  display: block;
+  color: var(--journal-color-muted);
+  font-size: 0.85em;
+}
+
+.journal-post__next {
+  margin-left: auto;
+  text-align: right;
+}
+
+/* Rendered HTML bodies (posts and category content) */
+.journal-post-body > :first-child {
+  margin-top: 0;
+}
+
+.journal-post-body img,
+.journal-post-body video {
+  max-width: 100%;
+  height: auto;
+  border-radius: var(--journal-radius-md);
+}
+
+.journal-post-body ul,
+.journal-post-body ol {
+  padding-left: var(--journal-space-4);
+}
+
+.journal-post-body blockquote {
+  margin: var(--journal-space-4) 0;
+  padding: var(--journal-space-3) var(--journal-space-4);
+  border-left: 4px solid var(--journal-color-border);
+  background: var(--journal-color-surface);
+}
+
+.journal-post-body code {
+  padding: 0 var(--journal-space-1);
+  border-radius: var(--journal-radius-sm);
+  background: var(--journal-color-surface);
+  font-family: var(--journal-font-mono);
+  font-size: 0.9em;
+}
+
+.journal-post-body pre {
+  overflow-x: auto;
+  padding: var(--journal-space-3);
+  border-radius: var(--journal-radius-md);
+  background: var(--journal-color-surface);
+}
+
+.journal-post-body pre code {
+  padding: 0;
+}
+
+.journal-post-body table {
+  width: 100%;
+  border-collapse: collapse;
+  margin: var(--journal-space-4) 0;
+}
+
+.journal-post-body th,
+.journal-post-body td {
+  padding: var(--journal-space-2) var(--journal-space-3);
+  border: 1px solid var(--journal-color-border);
+  text-align: left;
+}
+
+.journal-post-body--blocked {
+  padding: var(--journal-space-3);
+  border: 1px dashed var(--journal-color-border);
+  border-radius: var(--journal-radius-md);
+  color: var(--journal-color-muted);
+}
+
+/* Listings */
+.journal-post-list {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(var(--journal-card-min), 1fr));
+  gap: var(--journal-space-4);
+}
+
+.journal-post-list__empty {
+  grid-column: 1 / -1;
+  color: var(--journal-color-muted);
+}
+
+.journal-post-card {
+  display: flex;
+  flex-direction: column;
+  gap: var(--journal-space-2);
+  padding: var(--journal-space-4);
+  border: 1px solid var(--journal-color-border);
+  border-radius: var(--journal-radius-md);
+  background: var(--journal-color-bg);
+}
+
+.journal-post-card .journal-featured-image {
+  margin: calc(-1 * var(--journal-space-4)) calc(-1 * var(--journal-space-4)) var(--journal-space-2);
+}
+
+.journal-post-card .journal-featured-image img {
+  border-radius: var(--journal-radius-md) var(--journal-radius-md) 0 0;
+}
+
+.journal-post-card__title {
+  margin: 0;
+  font-size: 1.2em;
+}
+
+.journal-post-card__title a {
+  text-decoration: none;
+}
+
+.journal-post-card__date {
+  color: var(--journal-color-muted);
+  font-size: 0.85em;
+}
+
+.journal-post-card__excerpt {
+  margin: 0;
+}
+
+.journal-post-card__more {
+  margin-top: auto;
+}
+
+.journal-related {
+  margin-top: var(--journal-space-5);
+}
+
+/* Pagination */
+.journal-pagination {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  justify-content: center;
+  gap: var(--journal-space-3);
+  margin-top: var(--journal-space-5);
+}
+
+.journal-pagination__pages {
+  display: flex;
+  gap: var(--journal-space-1);
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+.journal-pagination__pages a,
+.journal-pagination__current {
+  display: inline-block;
+  min-width: 2.25em;
+  padding: var(--journal-space-1) var(--journal-space-2);
+  border-radius: var(--journal-radius-sm);
+  text-align: center;
+}
+
+.journal-pagination__current {
+  background: var(--journal-color-accent);
+  color: var(--journal-color-on-accent);
+}
+
+/* Author */
+.journal-author-card {
+  margin-bottom: var(--journal-space-5);
+}
+
+.journal-author-card__name {
+  margin: 0 0 var(--journal-space-2);
+}
+
+.journal-rss-link {
+  display: inline-block;
+  margin-top: var(--journal-space-4);
+  font-size: 0.9em;
+}
diff --git a/app/assets/css/journal-tokens.css b/app/assets/css/journal-tokens.css
new file mode 100644
index 0000000..f5b6342
--- /dev/null
+++ b/app/assets/css/journal-tokens.css
@@ -0,0 +1,40 @@
+/* Journal design tokens. Every visual value in the layer comes from these.
+   An app overrides any of them in its own CSS, e.g. on :root:root. */
+:root {
+  /* Colour */
+  --journal-color-text: #1f2328; /* body text */
+  --journal-color-muted: #59636e; /* dates, meta, captions */
+  --journal-color-bg: #ffffff; /* page background */
+  --journal-color-surface: #f6f8fa; /* cards, quotes, code blocks */
+  --journal-color-border: #d1d9e0; /* card and table borders, rules */
+  --journal-color-link: #0969da; /* links */
+  --journal-color-link-hover: #0550ae; /* hovered links */
+  --journal-color-accent: #0969da; /* current page, focus ring */
+  --journal-color-on-accent: #ffffff; /* text on the accent colour */
+
+  /* Type */
+  --journal-font-body: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; /* body copy */
+  --journal-font-heading: var(--journal-font-body); /* headings */
+  --journal-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; /* code */
+  --journal-font-size-base: 1.0625rem; /* body size */
+  --journal-line-height: 1.7; /* body leading */
+
+  /* Spacing scale */
+  --journal-space-1: 0.25rem; /* hairline gaps */
+  --journal-space-2: 0.5rem; /* inline gaps */
+  --journal-space-3: 1rem; /* paragraph gap */
+  --journal-space-4: 1.5rem; /* card padding */
+  --journal-space-5: 2.5rem; /* section gap */
+  --journal-space-6: 4rem; /* page padding */
+
+  /* Radii */
+  --journal-radius-sm: 4px; /* code, tags */
+  --journal-radius-md: 8px; /* cards, images */
+  --journal-radius-lg: 16px; /* featured image */
+
+  /* Layout */
+  --journal-content-width: 46rem; /* reading column */
+  --journal-wide-width: 72rem; /* listings */
+  --journal-card-min: 16rem; /* narrowest card in a grid */
+  --journal-image-ratio: 1200 / 630; /* featured image crop */
+}
diff --git a/app/components/Journal/CategoryHeader.vue b/app/components/Journal/CategoryHeader.vue
new file mode 100644
index 0000000..c0e866c
--- /dev/null
+++ b/app/components/Journal/CategoryHeader.vue
@@ -0,0 +1,20 @@
+<script setup lang="ts">
+// Heading of a category page: name, description and the category's rich
+// content, which passes the Journal HTML gate before v-html.
+import type { JournalCategory } from '../../utils/types.ts'
+import { gateJournalHtml } from '../../utils/htmlGate.ts'
+
+const props = defineProps<{ category: JournalCategory; page?: number; blocked?: boolean }>()
+const content = computed(() => (props.blocked ? { safe: false, html: '' } : gateJournalHtml(props.category.content)))
+</script>
+
+<template>
+  <header class="journal-category-header">
+    <h1 class="journal-category-header__title">
+      {{ category.name }}<template v-if="page && page > 1"> · {{ $t('journal.pagination.pageTitle', { page }) }}</template>
+    </h1>
+    <p v-if="category.description" class="journal-category-header__description">{{ category.description }}</p>
+    <div v-if="content.safe && content.html" class="journal-category-header__content journal-post-body" v-html="content.html" />
+    <p v-else-if="!content.safe" class="journal-post-body--blocked">{{ $t('journal.post.contentUnavailable') }}</p>
+  </header>
+</template>
diff --git a/app/components/Journal/FeaturedImage.vue b/app/components/Journal/FeaturedImage.vue
new file mode 100644
index 0000000..1c93524
--- /dev/null
+++ b/app/components/Journal/FeaturedImage.vue
@@ -0,0 +1,11 @@
+<script setup lang="ts">
+// A post's featured image. The intrinsic width/height reserve space before
+// the image loads; the rendered size and crop come from --journal-image-ratio.
+defineProps<{ src: string | null | undefined; alt: string; eager?: boolean }>()
+</script>
+
+<template>
+  <figure v-if="src" class="journal-featured-image">
+    <img :src="src" :alt="alt" width="1200" height="630" :loading="eager ? 'eager' : 'lazy'" decoding="async" />
+  </figure>
+</template>
diff --git a/app/components/Journal/IndexHeader.vue b/app/components/Journal/IndexHeader.vue
new file mode 100644
index 0000000..df7961e
--- /dev/null
+++ b/app/components/Journal/IndexHeader.vue
@@ -0,0 +1,12 @@
+<script setup lang="ts">
+// Heading of the post index; pages after the first say which page they are.
+defineProps<{ page: number }>()
+</script>
+
+<template>
+  <header class="journal-index-header">
+    <h1 class="journal-index-header__title">
+      {{ $t('journal.index.title') }}<template v-if="page > 1"> · {{ $t('journal.pagination.pageTitle', { page }) }}</template>
+    </h1>
+  </header>
+</template>
diff --git a/app/components/Journal/Pagination.vue b/app/components/Journal/Pagination.vue
new file mode 100644
index 0000000..04bdc57
--- /dev/null
+++ b/app/components/Journal/Pagination.vue
@@ -0,0 +1,33 @@
+<script setup lang="ts">
+// Previous/next and a window of page links for the current listing. Links
+// keep the current path and use ?page=N; page 1 drops the query.
+import { paginationWindow } from '../../utils/pagination.ts'
+
+const props = defineProps<{ current: number; last: number }>()
+const route = useRoute()
+
+const to = (page: number) => {
+  const query = { ...route.query }
+  if (page > 1) query.page = String(page)
+  else delete query.page
+  return { path: route.path, query }
+}
+const pages = computed(() => paginationWindow(props.current, props.last))
+</script>
+
+<template>
+  <nav v-if="last > 1" class="journal-pagination" :aria-label="$t('journal.pagination.label')">
+    <NuxtLink v-if="current > 1" :to="to(current - 1)" rel="prev" class="journal-pagination__prev">
+      {{ $t('journal.pagination.previous') }}
+    </NuxtLink>
+    <ol class="journal-pagination__pages">
+      <li v-for="page in pages" :key="page">
+        <span v-if="page === current" class="journal-pagination__current" aria-current="page">{{ page }}</span>
+        <NuxtLink v-else :to="to(page)">{{ page }}</NuxtLink>
+      </li>
+    </ol>
+    <NuxtLink v-if="current < last" :to="to(current + 1)" rel="next" class="journal-pagination__next">
+      {{ $t('journal.pagination.next') }}
+    </NuxtLink>
+  </nav>
+</template>
diff --git a/app/components/Journal/PostBody.vue b/app/components/Journal/PostBody.vue
index 28f5ba1..26e30b5 100644
--- a/app/components/Journal/PostBody.vue
+++ b/app/components/Journal/PostBody.vue
@@ -9,5 +9,5 @@ const gated = computed(() => (props.blocked ? { safe: false, html: '' } : gateJo
 
 <template>
   <div v-if="gated.safe" class="journal-post-body" v-html="gated.html" />
-  <p v-else class="journal-post-body journal-post-body--blocked">This content cannot be displayed.</p>
+  <p v-else class="journal-post-body journal-post-body--blocked">{{ $t('journal.post.contentUnavailable') }}</p>
 </template>
diff --git a/app/components/Journal/PostCard.vue b/app/components/Journal/PostCard.vue
new file mode 100644
index 0000000..1c4e396
--- /dev/null
+++ b/app/components/Journal/PostCard.vue
@@ -0,0 +1,26 @@
+<script setup lang="ts">
+// One post in a listing: image, title link, date and excerpt.
+import type { JournalPost } from '../../utils/types.ts'
+import { formatJournalDate } from '../../utils/view.ts'
+
+const props = defineProps<{ post: JournalPost }>()
+const { localeProperties } = useI18n()
+const links = useJournalLinks()
+const href = computed(() => links.postLink(props.post.slug))
+const date = computed(() => formatJournalDate(props.post.published_at, localeProperties.value.language ?? 'en'))
+</script>
+
+<template>
+  <article class="journal-post-card">
+    <NuxtLink v-if="href && post.featured_image_url" :to="href" class="journal-post-card__image" tabindex="-1" aria-hidden="true">
+      <JournalFeaturedImage :src="post.featured_image_url" :alt="post.title" />
+    </NuxtLink>
+    <h2 class="journal-post-card__title">
+      <NuxtLink v-if="href" :to="href">{{ post.title }}</NuxtLink>
+      <template v-else>{{ post.title }}</template>
+    </h2>
+    <time v-if="date" class="journal-post-card__date" :datetime="post.published_at ?? undefined">{{ date }}</time>
+    <p v-if="post.excerpt" class="journal-post-card__excerpt">{{ post.excerpt }}</p>
+    <NuxtLink v-if="href" :to="href" class="journal-post-card__more">{{ $t('journal.readMore') }}</NuxtLink>
+  </article>
+</template>
diff --git a/app/components/Journal/PostList.vue b/app/components/Journal/PostList.vue
new file mode 100644
index 0000000..59eeba3
--- /dev/null
+++ b/app/components/Journal/PostList.vue
@@ -0,0 +1,13 @@
+<script setup lang="ts">
+// A grid of post cards, or the empty-state text when there are none.
+import type { JournalPost } from '../../utils/types.ts'
+
+defineProps<{ posts: JournalPost[]; empty?: string }>()
+</script>
+
+<template>
+  <div class="journal-post-list">
+    <JournalPostCard v-for="post in posts" :key="post.id" :post="post" />
+    <p v-if="posts.length === 0" class="journal-post-list__empty">{{ empty ?? $t('journal.index.empty') }}</p>
+  </div>
+</template>
diff --git a/app/components/Journal/PostMeta.vue b/app/components/Journal/PostMeta.vue
new file mode 100644
index 0000000..1cf7f3c
--- /dev/null
+++ b/app/components/Journal/PostMeta.vue
@@ -0,0 +1,39 @@
+<script setup lang="ts">
+// Date, reading time, categories and author of a post. Links go through
+// route names, so a disabled view renders its label as plain text.
+import type { JournalPost } from '../../utils/types.ts'
+import { formatJournalDate } from '../../utils/view.ts'
+
+const props = defineProps<{ post: JournalPost }>()
+const { localeProperties } = useI18n()
+const links = useJournalLinks()
+
+const date = computed(() => formatJournalDate(props.post.published_at, localeProperties.value.language ?? 'en'))
+const authorName = computed(() => {
+  const a = props.post.author
+  return a ? `${a.first_name} ${a.last_name}`.trim() || a.login : ''
+})
+const authorHref = computed(() => (props.post.author ? links.authorLink(props.post.author.login) : null))
+</script>
+
+<template>
+  <div class="journal-post-meta">
+    <time v-if="date" class="journal-post-meta__date" :datetime="post.published_at ?? undefined">
+      {{ $t('journal.post.publishedOn', { date }) }}
+    </time>
+    <span v-if="post.reading_time > 0" class="journal-post-meta__reading">
+      {{ $t('journal.post.readingTime', { minutes: post.reading_time }) }}
+    </span>
+    <span v-if="authorName" class="journal-post-meta__author">
+      {{ $t('journal.post.by') }}
+      <NuxtLink v-if="authorHref" :to="authorHref">{{ authorName }}</NuxtLink>
+      <template v-else>{{ authorName }}</template>
+    </span>
+    <ul v-if="post.categories.length" class="journal-post-meta__categories">
+      <li v-for="cat in post.categories" :key="cat.id">
+        <NuxtLink v-if="links.categoryLink(cat.slug)" :to="links.categoryLink(cat.slug)!">{{ cat.name }}</NuxtLink>
+        <span v-else>{{ cat.name }}</span>
+      </li>
+    </ul>
+  </div>
+</template>
diff --git a/app/components/Journal/RelatedPosts.vue b/app/components/Journal/RelatedPosts.vue
new file mode 100644
index 0000000..1b4c59e
--- /dev/null
+++ b/app/components/Journal/RelatedPosts.vue
@@ -0,0 +1,14 @@
+<script setup lang="ts">
+// Related posts under a post. The page passes the API's related_posts, or
+// the latest posts when the post has no category.
+import type { JournalPost } from '../../utils/types.ts'
+
+defineProps<{ posts: JournalPost[] }>()
+</script>
+
+<template>
+  <section v-if="posts.length" class="journal-related">
+    <h2 class="journal-related__title">{{ $t('journal.post.related') }}</h2>
+    <JournalPostList :posts="posts" />
+  </section>
+</template>
diff --git a/app/composables/useJournalLinks.ts b/app/composables/useJournalLinks.ts
new file mode 100644
index 0000000..b12508b
--- /dev/null
+++ b/app/composables/useJournalLinks.ts
@@ -0,0 +1,23 @@
+// Links to Journal views, built from stable route names through
+// useLocalePath() (i18n gives every route a per-locale name), never from
+// concatenated paths. A link to a disabled view (journal.routes.<key>: false)
+// is null; components then render plain text.
+
+import { JOURNAL_ROUTE_NAMES } from '../utils/routes.ts'
+import type { JournalRoutes } from '../utils/types.ts'
+
+export function useJournalLinks() {
+  const localePath = useLocalePath()
+  const routes = (useRuntimeConfig().public.journal as { routes: JournalRoutes }).routes
+
+  const link = (key: keyof JournalRoutes, params?: Record<string, string>, query?: Record<string, string>) =>
+    routes[key] === false ? null : localePath({ name: JOURNAL_ROUTE_NAMES[key], params, query })
+
+  return {
+    postLink: (slug: string) => link('post', { slug }),
+    categoryLink: (slug: string) => link('category', { category: slug }),
+    tagLink: (slug: string) => link('tag', { tag: slug }),
+    authorLink: (slug: string) => link('author', { author: slug }),
+    indexLink: (page: number = 1) => link('index', undefined, page > 1 ? { page: String(page) } : undefined),
+  }
+}
diff --git a/app/journal-pages/CategoryPage.vue b/app/journal-pages/CategoryPage.vue
index fbfd5a7..7c65042 100644
--- a/app/journal-pages/CategoryPage.vue
+++ b/app/journal-pages/CategoryPage.vue
@@ -1,21 +1,49 @@
 <script setup lang="ts">
-// journal-category: posts in one category; an unknown category is a 404.
+// journal-category: one category's header and rich content above its posts.
+// The slug resolves against GET /categories?include_empty=1, so an empty
+// category answers 200 with its content; an unknown slug is a real 404 (this
+// route may be a root-level catch-all in the app).
+import { gateJournalHtml } from '../utils/htmlGate.ts'
+import { pageOutOfRange, parsePageParam } from '../utils/pagination.ts'
+import { toListPost } from '../utils/view.ts'
+import type { JournalModuleOptions } from '../utils/types.ts'
+
+definePageMeta({ key: (route) => route.fullPath })
+
 const route = useRoute()
 const api = useJournalApi()
+const cfg = useRuntimeConfig().public.journal as JournalModuleOptions
 const slug = String(route.params.category ?? '')
-const { data } = await useAsyncData(`journal-category-${slug}`, async () => {
-  const category = await api.findCategory(slug)
-  if (!category) return null
-  return { category, page: await api.listPosts({ category: category.slug }) }
+
+const page = parsePageParam(route.query.page)
+if (page === null) throw createError({ statusCode: 404, statusMessage: 'Page not found', fatal: true })
+
+const { data, error } = await useAsyncData(`journal-category-${slug}-${page}`, async () => {
+  const found = await api.findCategory(slug)
+  if (!found) return null
+  const posts = await api.listPosts({ category: found.slug, page, perPage: cfg.perPage.category, sort: cfg.sort })
+  // Only this category reaches the payload, with its content already gated.
+  const gated = gateJournalHtml(found.content)
+  const { children: _children, ...category } = found
+  return {
+    category: { ...category, content: gated.html || null },
+    contentBlocked: !gated.safe,
+    posts: { ...posts, data: posts.data.map(toListPost) },
+  }
 })
-if (!data.value) throw createError({ statusCode: 404, fatal: true })
+if (error.value) {
+  throw createError({ statusCode: (error.value as { statusCode?: number }).statusCode ?? 500, fatal: true })
+}
+if (!data.value) throw createError({ statusCode: 404, statusMessage: 'Category not found', fatal: true })
+if (pageOutOfRange(page, data.value.posts.meta.last_page)) {
+  throw createError({ statusCode: 404, statusMessage: 'Page not found', fatal: true })
+}
 </script>
 
 <template>
   <section v-if="data" class="journal-category">
-    <h1>{{ data.category.name }}</h1>
-    <ul>
-      <li v-for="post in data.page.data" :key="post.id">{{ post.title }}</li>
-    </ul>
+    <JournalCategoryHeader :category="data.category" :page="page" :blocked="data.contentBlocked" />
+    <JournalPostList :posts="data.posts.data" :empty="$t('journal.category.empty')" />
+    <JournalPagination :current="data.posts.meta.current_page" :last="data.posts.meta.last_page" />
   </section>
 </template>
diff --git a/app/journal-pages/PostIndexPage.vue b/app/journal-pages/PostIndexPage.vue
index c746cc1..4697be9 100644
--- a/app/journal-pages/PostIndexPage.vue
+++ b/app/journal-pages/PostIndexPage.vue
@@ -1,13 +1,37 @@
 <script setup lang="ts">
-// journal-index: the latest posts.
+// journal-index: the post list, paginated with ?page=N. A non-numeric page
+// or a page past the last one is a real 404.
+import { pageOutOfRange, parsePageParam } from '../utils/pagination.ts'
+import { toListPost } from '../utils/view.ts'
+import type { JournalModuleOptions } from '../utils/types.ts'
+
+// Re-run setup (and its 404 checks) on every query change.
+definePageMeta({ key: (route) => route.fullPath })
+
+const route = useRoute()
 const api = useJournalApi()
-const { data: page } = await useAsyncData('journal-index', () => api.listPosts({ perPage: 9 }))
+const cfg = useRuntimeConfig().public.journal as JournalModuleOptions
+
+const page = parsePageParam(route.query.page)
+if (page === null) throw createError({ statusCode: 404, statusMessage: 'Page not found', fatal: true })
+
+const { data, error } = await useAsyncData(
+  `journal-index-${page}`,
+  () => api.listPosts({ page, perPage: cfg.perPage.index, sort: cfg.sort }),
+  { transform: (res) => ({ ...res, data: res.data.map(toListPost) }) },
+)
+if (error.value || !data.value) {
+  throw createError({ statusCode: (error.value as { statusCode?: number } | undefined)?.statusCode ?? 500, fatal: true })
+}
+if (pageOutOfRange(page, data.value.meta.last_page)) {
+  throw createError({ statusCode: 404, statusMessage: 'Page not found', fatal: true })
+}
 </script>
 
 <template>
-  <section class="journal-index">
-    <ul v-if="page">
-      <li v-for="post in page.data" :key="post.id">{{ post.title }}</li>
-    </ul>
+  <section v-if="data" class="journal-index">
+    <JournalIndexHeader :page="page" />
+    <JournalPostList :posts="data.data" />
+    <JournalPagination :current="data.meta.current_page" :last="data.meta.last_page" />
   </section>
 </template>
diff --git a/app/journal-pages/PostPage.vue b/app/journal-pages/PostPage.vue
index abf48a0..ffbbeba 100644
--- a/app/journal-pages/PostPage.vue
+++ b/app/journal-pages/PostPage.vue
@@ -1,15 +1,30 @@
 <script setup lang="ts">
 // journal-post: one published post by slug. An unknown, draft or future post
 // is a real 404. The transform gates the body before it reaches the payload.
-import { toPostView } from '../utils/view.ts'
+// Related posts fall back to the latest posts when the API has none (it
+// returns none for a post without a category).
+import { toListPost, toPostView } from '../utils/view.ts'
+import type { JournalModuleOptions } from '../utils/types.ts'
 
 const route = useRoute()
 const api = useJournalApi()
+const links = useJournalLinks()
+const cfg = useRuntimeConfig().public.journal as JournalModuleOptions
 const slug = computed(() => String(route.params.slug ?? ''))
 
 const { data: post, error } = await useAsyncData(
   () => `journal-post-${slug.value}`,
-  () => api.getPost(slug.value),
+  async () => {
+    const found = await api.getPost(slug.value)
+    if (!found) return null
+    const count = Math.max(0, cfg.relatedCount)
+    let related = found.related_posts ?? []
+    if (related.length === 0 && count > 0) {
+      const latest = await api.listPosts({ perPage: count + 1, sort: cfg.sort })
+      related = latest.data.filter((p) => p.slug !== found.slug)
+    }
+    return { ...found, related_posts: related.slice(0, count).map(toListPost) }
+  },
   { transform: (p) => (p ? toPostView(p) : null) },
 )
 
@@ -23,7 +38,30 @@ if (!post.value) {
 
 <template>
   <article v-if="post" class="journal-post">
-    <h1 class="journal-post__title">{{ post.title }}</h1>
+    <header class="journal-post__header">
+      <h1 class="journal-post__title">{{ post.title }}</h1>
+      <JournalPostMeta :post="post" />
+    </header>
+    <JournalFeaturedImage :src="post.featured_image_url" :alt="post.title" eager />
     <JournalPostBody :html="post.content_html" :blocked="post.content_blocked" />
+    <nav v-if="post.previous_post || post.next_post" class="journal-post__siblings">
+      <NuxtLink
+        v-if="post.previous_post && links.postLink(post.previous_post.slug)"
+        :to="links.postLink(post.previous_post.slug)!"
+        rel="prev"
+        class="journal-post__previous"
+      >
+        <span>{{ $t('journal.post.previous') }}</span> {{ post.previous_post.title }}
+      </NuxtLink>
+      <NuxtLink
+        v-if="post.next_post && links.postLink(post.next_post.slug)"
+        :to="links.postLink(post.next_post.slug)!"
+        rel="next"
+        class="journal-post__next"
+      >
+        <span>{{ $t('journal.post.next') }}</span> {{ post.next_post.title }}
+      </NuxtLink>
+    </nav>
+    <JournalRelatedPosts :posts="post.related_posts" />
   </article>
 </template>
diff --git a/app/utils/pagination.ts b/app/utils/pagination.ts
new file mode 100644
index 0000000..a8f68d2
--- /dev/null
+++ b/app/utils/pagination.ts
@@ -0,0 +1,36 @@
+// Page-number rules for Journal listings. Pages use ?page=N (never a path
+// segment). Anything but a positive integer, and any page past the last one,
+// is a real 404.
+
+/**
+ * Parses the ?page query value: 1 when absent, the integer for a string of
+ * digits greater than 0, and null (a 404) for anything else: non-numeric,
+ * empty, 0, negative, decimal, repeated (array) or beyond the safe range.
+ */
+export function parsePageParam(raw: unknown): number | null {
+  if (raw === undefined || raw === null) return 1
+  if (typeof raw !== 'string' || !/^\d+$/.test(raw)) return null
+  const n = Number(raw)
+  if (!Number.isSafeInteger(n) || n < 1) return null
+  return n
+}
+
+/**
+ * True when `page` lies past the last page. Page 1 is always in range, so an
+ * empty listing renders its empty state instead of a 404.
+ */
+export function pageOutOfRange(page: number, lastPage: number): boolean {
+  return page > 1 && page > lastPage
+}
+
+/**
+ * The page numbers to render around `current`: at most `size` consecutive
+ * pages, clipped to 1..last and kept full-width near either end.
+ */
+export function paginationWindow(current: number, last: number, size: number = 5): number[] {
+  if (last < 1 || size < 1) return []
+  const width = Math.min(size, last)
+  let start = Math.max(1, current - Math.floor(width / 2))
+  if (start + width - 1 > last) start = last - width + 1
+  return Array.from({ length: width }, (_, i) => start + i)
+}
diff --git a/app/utils/view.ts b/app/utils/view.ts
index 1167dd7..96fed0a 100644
--- a/app/utils/view.ts
+++ b/app/utils/view.ts
@@ -16,6 +16,22 @@ export interface JournalPostView extends JournalPostDetail {
   content_blocked: boolean
 }
 
+/**
+ * Formats an API timestamp as a long date for `language` (a BCP 47 tag such
+ * as "pl-PL"). UTC on both server and browser, so hydration matches. Returns
+ * "" for a missing or invalid value.
+ */
+export function formatJournalDate(iso: string | null | undefined, language: string): string {
+  if (!iso) return ''
+  const d = new Date(iso)
+  if (Number.isNaN(d.getTime())) return ''
+  try {
+    return new Intl.DateTimeFormat(language || 'en', { dateStyle: 'long', timeZone: 'UTC' }).format(d)
+  } catch {
+    return new Intl.DateTimeFormat('en', { dateStyle: 'long', timeZone: 'UTC' }).format(d)
+  }
+}
+
 export function toPostView(post: JournalPostDetail): JournalPostView {
   const gated = gateJournalHtml(post.content_html)
   return {
diff --git a/i18n/locales/en.json b/i18n/locales/en.json
new file mode 100644
index 0000000..eb71a1e
--- /dev/null
+++ b/i18n/locales/en.json
@@ -0,0 +1,39 @@
+{
+  "journal": {
+    "index": {
+      "title": "Latest posts",
+      "empty": "There are no posts yet."
+    },
+    "pagination": {
+      "label": "Pagination",
+      "previous": "Previous page",
+      "next": "Next page",
+      "pageTitle": "Page {page}"
+    },
+    "post": {
+      "publishedOn": "Published on {date}",
+      "readingTime": "{minutes} min read",
+      "by": "By",
+      "related": "Related posts",
+      "previous": "Previous post",
+      "next": "Next post",
+      "contentUnavailable": "This content cannot be displayed."
+    },
+    "category": {
+      "empty": "There are no posts in this category yet."
+    },
+    "tag": {
+      "title": "Posts tagged {name}",
+      "empty": "There are no posts with this tag yet."
+    },
+    "author": {
+      "title": "Posts by {name}",
+      "posts": "Posts",
+      "empty": "This author has not published any posts yet."
+    },
+    "readMore": "Read more",
+    "rss": {
+      "title": "RSS feed"
+    }
+  }
+}
diff --git a/i18n/locales/pl.json b/i18n/locales/pl.json
new file mode 100644
index 0000000..d1d36f5
--- /dev/null
+++ b/i18n/locales/pl.json
@@ -0,0 +1,39 @@
+{
+  "journal": {
+    "index": {
+      "title": "Najnowsze wpisy",
+      "empty": "Nie ma jeszcze żadnych wpisów."
+    },
+    "pagination": {
+      "label": "Stronicowanie",
+      "previous": "Poprzednia strona",
+      "next": "Następna strona",
+      "pageTitle": "Strona {page}"
+    },
+    "post": {
+      "publishedOn": "Opublikowano {date}",
+      "readingTime": "{minutes} min czytania",
+      "by": "Autor:",
+      "related": "Powiązane wpisy",
+      "previous": "Poprzedni wpis",
+      "next": "Następny wpis",
+      "contentUnavailable": "Nie można wyświetlić tej treści."
+    },
+    "category": {
+      "empty": "W tej kategorii nie ma jeszcze wpisów."
+    },
+    "tag": {
+      "title": "Wpisy z tagiem {name}",
+      "empty": "Nie ma jeszcze wpisów z tym tagiem."
+    },
+    "author": {
+      "title": "Wpisy autora {name}",
+      "posts": "Wpisy",
+      "empty": "Ten autor nie opublikował jeszcze żadnych wpisów."
+    },
+    "readMore": "Czytaj dalej",
+    "rss": {
+      "title": "Kanał RSS"
+    }
+  }
+}
diff --git a/lib/journal-module.ts b/lib/journal-module.ts
index bdf60f9..cd426eb 100644
--- a/lib/journal-module.ts
+++ b/lib/journal-module.ts
@@ -19,6 +19,18 @@ const PAGE_FILES: Record<keyof JournalRoutes, string> = {
 }
 
 const pagesDir = fileURLToPath(new URL('../app/journal-pages/', import.meta.url))
+const langDir = fileURLToPath(new URL('../i18n/locales/', import.meta.url))
+
+/** UI string locales the layer ships, each in i18n/locales/<code>.json. */
+const LAYER_LOCALES = ['pl', 'en'] as const
+
+/** Locale codes the project enables in its i18n config (strings or objects). */
+function enabledLocaleCodes(locales: unknown): string[] {
+  if (!Array.isArray(locales)) return []
+  return locales
+    .map((l) => (typeof l === 'string' ? l : l && typeof l === 'object' ? (l as { code?: unknown }).code : undefined))
+    .filter((c): c is string => typeof c === 'string')
+}
 
 export default defineNuxtModule<JournalModuleOptions>({
   meta: {
@@ -43,6 +55,20 @@ export default defineNuxtModule<JournalModuleOptions>({
       }
     })
 
+    // Register the layer's strings only for locales the app enables. The
+    // layer config declares no locales: @nuxtjs/i18n merges every locale a
+    // layer declares into the app, which would add /en routes to an app that
+    // enables only pl.
+    const hook = nuxt.hook as unknown as (
+      name: 'i18n:registerModule',
+      fn: (register: (config: { langDir: string; locales: Array<{ code: string; file: string }> }) => void) => void,
+    ) => void
+    hook('i18n:registerModule', (register) => {
+      const enabled = enabledLocaleCodes((nuxt.options as { i18n?: { locales?: unknown } }).i18n?.locales)
+      const locales = LAYER_LOCALES.filter((code) => enabled.includes(code)).map((code) => ({ code, file: `${code}.json` }))
+      if (locales.length > 0) register({ langDir, locales })
+    })
+
     // The public runtime config carries the resolved options next to apiBase,
     // so pages, links and the sitemap source read one source of truth.
     const pub = nuxt.options.runtimeConfig.public as Record<string, any>
diff --git a/nuxt.config.ts b/nuxt.config.ts
index b53db9c..0da1788 100644
--- a/nuxt.config.ts
+++ b/nuxt.config.ts
@@ -20,6 +20,10 @@ export default defineNuxtConfig({
   // @nuxtjs/i18n split locale state).
   modules: ['@nuxt/fonts', '@nuxtjs/i18n', '@nuxtjs/seo', `${currentDir}lib/journal-module.ts`],
 
+  // Tokens first, then the neutral styles that use them. The app's own css
+  // array loads after these, so its token overrides win.
+  css: [`${currentDir}app/assets/css/journal-tokens.css`, `${currentDir}app/assets/css/journal-base.css`],
+
   runtimeConfig: {
     journal: {
       // Server-only base for SSR fetches (NUXT_JOURNAL_API_BASE). It never
diff --git a/testing/expect-acme.txt b/testing/expect-acme.txt
index 614babb..f30aba6 100644
--- a/testing/expect-acme.txt
+++ b/testing/expect-acme.txt
@@ -7,3 +7,19 @@
 404 /blog/missing-post
 200 /blog/unsafe-sample contains=journal-post-body--blocked notcontains=alert(
 404 /blog/draft-note
+
+# Post index and pagination (9 per page, 13 published posts: 2 pages)
+200 /blog contains=Hello Acme
+200 /blog?page=2
+404 /blog?page=3
+404 /blog?page=abc
+404 /blog?page=0
+200 /pl/blog contains=Najnowsze wpisy
+
+# Categories (include_empty=1; content renders above the list)
+200 /blog/category/news contains=Acme news marker
+200 /blog/category/quiet contains=There are no posts in this category yet.
+404 /blog/category/nope
+
+# Related posts fall back to the latest posts for a post without a category
+200 /blog/uncategorised-note contains=Hello Acme
diff --git a/testing/smoke-ssr.mjs b/testing/smoke-ssr.mjs
index 38407f7..bc9aeaa 100755
--- a/testing/smoke-ssr.mjs
+++ b/testing/smoke-ssr.mjs
@@ -10,7 +10,8 @@
 // end of the line, so it may contain spaces. Requests are plain GETs that do
 // not follow redirects and carry `X-Forwarded-For: 203.0.113.7`. After the
 // lines, at least one fixture API request must have carried that address
-// (the SSR fetches forward the visitor's x-forwarded-for).
+// (the SSR fetches forward the visitor's x-forwarded-for), and every
+// categories request must have carried include_empty=1.
 
 import { readFileSync } from 'node:fs'
 import { resolve } from 'node:path'
@@ -114,6 +115,13 @@ async function main() {
     if (!api.requests.some((r) => (r.xff ?? '').includes(VISITOR_IP))) {
       failures.push('x-forwarded-for: x-forwarded-for not forwarded')
     }
+    // Categories are always requested with include_empty=1, so empty ones resolve.
+    for (const r of api.requests) {
+      const u = new URL(r.url, 'http://fixture.local')
+      if (u.pathname.endsWith('/categories') && u.searchParams.get('include_empty') !== '1') {
+        failures.push(`include_empty: ${r.url} requested without include_empty=1`)
+      }
+    }
   } finally {
     if (nuxt) await nuxt.close()
     await api.close()