🪛 03 routing

app/blog/[...slug]/not-found.tsx

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+import Link from 'next/link'
+
+export default function NotFound() {
+  return (
+    <div className="min-h-[60vh] flex items-center justify-center">
+      <div className="text-center">
+        <h1 className="text-6xl font-bold text-gray-300 dark:text-gray-700 mb-4">404</h1>
+        <h2 className="text-2xl font-semibold mb-4">Articolul nu a fost găsit</h2>
+        <p className="text-gray-600 dark:text-gray-400 mb-8">
+          Ne pare rău, dar articolul pe care îl cauți nu există sau a fost mutat.
+        </p>
+        <div className="space-x-4">
+          <Link href="/blog" className="inline-block px-6 py-3 bg-primary-600 text-white rounded-lg hover:bg-primary-700 transition">
+            Vezi toate articolele
+          </Link>
+          <Link href="/" className="inline-block px-6 py-3 border border-gray-300 dark:border-gray-600 rounded-lg hover:bg-gray-50 dark:hover:bg-gray-800 transition">
+            Pagina principală
+          </Link>
+        </div>
+      </div>
+    </div>
+  )
+}

app/blog/[...slug]/page.tsx

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+import { Metadata } from 'next'
+import { notFound } from 'next/navigation'
+import Link from 'next/link'
+import { getAllPosts, getPostBySlug, getRelatedPosts } from '@/lib/markdown'
+import { formatDate, formatRelativeDate } from '@/lib/utils'
+
+export async function generateStaticParams() {
+  const posts = await getAllPosts()
+  return posts.map((post) => ({ slug: post.slug.split('/') }))
+}
+
+export async function generateMetadata({ params }: { params: Promise<{ slug: string[] }> }): Promise<Metadata> {
+  const { slug } = await params
+  const slugPath = slug.join('/')
+  const post = getPostBySlug(slugPath)
+
+  if (!post) {
+    return { title: 'Articol negăsit' }
+  }
+
+  return {
+    title: post.frontmatter.title,
+    description: post.frontmatter.description,
+    authors: [{ name: post.frontmatter.author }],
+    openGraph: {
+      title: post.frontmatter.title,
+      description: post.frontmatter.description,
+      type: 'article',
+      publishedTime: post.frontmatter.date,
+      authors: [post.frontmatter.author],
+      images: post.frontmatter.image ? [post.frontmatter.image] : [],
+    },
+    twitter: {
+      card: 'summary_large_image',
+      title: post.frontmatter.title,
+      description: post.frontmatter.description,
+      images: post.frontmatter.image ? [post.frontmatter.image] : [],
+    },
+  }
+}
+
+function AuthorInfo({ author, date }: { author: string; date: string }) {
+  return (
+    <div className="flex items-center space-x-4 py-6 border-y border-gray-200 dark:border-gray-700">
+      <div className="w-12 h-12 bg-primary-100 dark:bg-primary-900 rounded-full flex items-center justify-center">
+        <span className="text-xl font-bold text-primary-600 dark:text-primary-400">
+          {author.charAt(0).toUpperCase()}
+        </span>
+      </div>
+      <div>
+        <p className="font-semibold">{author}</p>
+        <p className="text-sm text-gray-500">
+          Publicat {formatRelativeDate(date)} • {formatDate(date)}
+        </p>
+      </div>
+    </div>
+  )
+}
+
+function RelatedPosts({ posts }: { posts: any[] }) {
+  if (posts.length === 0) return null
+
+  return (
+    <section className="mt-12 pt-8 border-t border-gray-200 dark:border-gray-700">
+      <h2 className="text-2xl font-bold mb-6">Articole similare</h2>
+      <div className="grid gap-6 md:grid-cols-3">
+        {posts.map((post) => (
+          <Link key={post.slug} href={`/blog/${post.slug}`} className="block p-4 border border-gray-200 dark:border-gray-700 rounded-lg hover:shadow-lg transition">
+            <h3 className="font-semibold mb-2 line-clamp-2">{post.frontmatter.title}</h3>
+            <p className="text-sm text-gray-600 dark:text-gray-400 line-clamp-2">{post.frontmatter.description}</p>
+            <p className="text-xs text-gray-500 mt-2">{formatDate(post.frontmatter.date)}</p>
+          </Link>
+        ))}
+      </div>
+    </section>
+  )
+}
+
+export default async function BlogPostPage({ params }: { params: Promise<{ slug: string[] }> }) {
+  const { slug } = await params
+  const slugPath = slug.join('/')
+  const post = getPostBySlug(slugPath)
+
+  if (!post) {
+    notFound()
+  }
+
+  const relatedPosts = await getRelatedPosts(slugPath)
+
+  return (
+    <article className="max-w-4xl mx-auto">
+      <header className="mb-8">
+        {post.frontmatter.image && (
+          <img src={post.frontmatter.image} alt={post.frontmatter.title} className="w-full h-64 md:h-96 object-cover rounded-lg mb-8" />
+        )}
+        <h1 className="text-4xl md:text-5xl font-bold mb-4">{post.frontmatter.title}</h1>
+        <p className="text-xl text-gray-600 dark:text-gray-400 mb-6">{post.frontmatter.description}</p>
+        {post.frontmatter.tags && post.frontmatter.tags.length > 0 && (
+          <div className="flex flex-wrap gap-2 mb-6">
+            {post.frontmatter.tags.map((tag: string) => (
+              <Link key={tag} href={`/tags/${tag.toLowerCase().replace(/\s+/g, '-')}`} className="px-3 py-1 bg-primary-100 dark:bg-primary-900 text-primary-700 dark:text-primary-300 rounded-full text-sm hover:bg-primary-200 dark:hover:bg-primary-800 transition">
+                #{tag}
+              </Link>
+            ))}
+          </div>
+        )}
+        <AuthorInfo author={post.frontmatter.author} date={post.frontmatter.date} />
+      </header>
+
+      <div className="prose dark:prose-invert max-w-none">
+        <div className="flex items-center justify-between text-sm text-gray-500 mb-6">
+          <span>Timp estimat de citire: {post.readingTime} minute</span>
+        </div>
+        <div dangerouslySetInnerHTML={{ __html: post.content }} />
+      </div>
+
+      <nav className="flex justify-between items-center mt-12 pt-8 border-t border-gray-200 dark:border-gray-700">
+        <Link href="/blog" className="flex items-center text-primary-600 hover:text-primary-700 transition">
+          <svg className="mr-2 w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 19l-7-7 7-7" />
+          </svg>
+          Înapoi la blog
+        </Link>
+      </nav>
+
+      <RelatedPosts posts={relatedPosts} />
+    </article>
+  )
+}