feat(blog): show random fallback articles in post footer navigation instead of blank spaces

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

@@ -54,7 +54,7 @@ export default async function BlogPost({ params }: BlogPostProps) {
   const { locale, slug } = await params;
   setRequestLocale(locale);
   const post = await getPostBySlug(slug, locale);
-  const { prev, next } = await getAdjacentPosts(slug, locale);
+  const { prev, next, isPrevRandom, isNextRandom } = await getAdjacentPosts(slug, locale);
 
   if (!post) {
     notFound();
@@ -70,11 +70,7 @@ export default async function BlogPost({ params }: BlogPostProps) {
         category={post.frontmatter.category}
         readingTime={getReadingTime(post.content)}
       />
-      {(new Date(post.frontmatter.date) > new Date() || post.frontmatter.public === false) && (
-        <div className="bg-orange-500 text-white text-center py-2 px-4 font-bold text-sm tracking-wider uppercase relative z-50">
-          Preview (Not visible in production)
-        </div>
-      )}
+
       {/* Featured Image Header */}
       {post.frontmatter.featuredImage ? (
         <div className="relative w-full h-[70vh] min-h-[500px] overflow-hidden group">
@@ -114,6 +110,12 @@ export default async function BlogPost({ params }: BlogPostProps) {
                   </time>
                   <span className="w-1 h-1 bg-white/30 rounded-full" />
                   <span>{getReadingTime(post.content)} min read</span>
+                  {(new Date(post.frontmatter.date) > new Date() || post.frontmatter.public === false) && (
+                    <>
+                      <span className="w-1 h-1 bg-white/30 rounded-full" />
+                      <span className="px-2 py-0.5 border border-white/40 text-white/80 rounded uppercase tracking-widest text-[10px] md:text-xs font-bold">Draft Preview</span>
+                    </>
+                  )}
                 </div>
               </div>
             </div>
@@ -142,6 +144,12 @@ export default async function BlogPost({ params }: BlogPostProps) {
               </time>
               <span className="w-1 h-1 bg-neutral-300 rounded-full" />
               <span>{getReadingTime(post.content)} min read</span>
+              {(new Date(post.frontmatter.date) > new Date() || post.frontmatter.public === false) && (
+                <>
+                  <span className="w-1 h-1 bg-neutral-300 rounded-full" />
+                  <span className="px-2 py-0.5 border border-orange-500/50 text-orange-600 rounded uppercase tracking-widest text-[10px] md:text-xs font-bold">Draft Preview</span>
+                </>
+              )}
             </div>
           </div>
         </header>
@@ -173,7 +181,7 @@ export default async function BlogPost({ params }: BlogPostProps) {
 
             {/* Post Navigation */}
             <div className="mt-16">
-              <PostNavigation prev={prev} next={next} locale={locale} />
+              <PostNavigation prev={prev} next={next} isPrevRandom={isPrevRandom} isNextRandom={isNextRandom} locale={locale} />
             </div>
 
             {/* Back to blog link */}

app/[locale]/blog/page.tsx

@@ -62,7 +62,7 @@ export default async function BlogIndex({ params }: BlogIndexProps) {
           {featuredPost && featuredPost.frontmatter.featuredImage && (
             <>
               <Image
-                src={featuredPost.frontmatter.featuredImage}
+                src={`${featuredPost.frontmatter.featuredImage}?gravity=obj:face`}
                 alt={featuredPost.frontmatter.title}
                 fill
                 className="absolute inset-0 w-full h-full object-cover opacity-40 md:opacity-60"
@@ -80,8 +80,8 @@ export default async function BlogIndex({ params }: BlogIndexProps) {
                 {featuredPost &&
                   (new Date(featuredPost.frontmatter.date) > new Date() ||
                     featuredPost.frontmatter.public === false) && (
-                    <Badge variant="accent" className="bg-orange-500 text-white border-none">
-                      Preview
+                    <Badge variant="neutral" className="border border-white/30 bg-transparent text-white/80 shadow-none">
+                      Draft Preview
                     </Badge>
                   )}
               </div>
@@ -160,7 +160,7 @@ export default async function BlogIndex({ params }: BlogIndexProps) {
                     {post.frontmatter.featuredImage && (
                       <div className="relative h-48 md:h-72 overflow-hidden">
                         <Image
-                          src={post.frontmatter.featuredImage}
+                          src={`${post.frontmatter.featuredImage}?gravity=obj:face`}
                           alt={post.frontmatter.title}
                           fill
                           className="w-full h-full object-cover transition-transform duration-1000 group-hover:scale-110"
@@ -175,24 +175,22 @@ export default async function BlogIndex({ params }: BlogIndexProps) {
                             {post.frontmatter.category}
                           </Badge>
                         )}
-                        {(new Date(post.frontmatter.date) > new Date() ||
-                          post.frontmatter.public === false) && (
-                          <Badge
-                            variant="accent"
-                            className="absolute top-3 right-3 md:top-6 md:right-6 shadow-lg bg-orange-500 text-white border-none"
-                          >
-                            Preview
-                          </Badge>
-                        )}
+
                       </div>
                     )}
                     <div className="p-5 md:p-10 flex flex-col flex-1">
-                      <div className="text-[10px] md:text-sm font-bold text-accent-dark mb-2 md:mb-4 tracking-widest uppercase">
-                        {new Date(post.frontmatter.date).toLocaleDateString(locale, {
-                          year: 'numeric',
-                          month: 'long',
-                          day: 'numeric',
-                        })}
+                      <div className="flex items-center gap-3 text-[10px] md:text-sm font-bold text-accent-dark mb-2 md:mb-4 tracking-widest uppercase">
+                        <span>
+                          {new Date(post.frontmatter.date).toLocaleDateString(locale, {
+                            year: 'numeric',
+                            month: 'long',
+                            day: 'numeric',
+                          })}
+                        </span>
+                        {(new Date(post.frontmatter.date) > new Date() ||
+                          post.frontmatter.public === false) && (
+                            <span className="px-1.5 py-0.5 border border-current rounded-sm text-[9px] md:text-xs">Draft</span>
+                          )}
                       </div>
                       <h3 className="text-lg md:text-2xl font-bold text-primary mb-3 md:mb-6 group-hover:text-accent-dark transition-colors line-clamp-2 leading-tight">
                         {post.frontmatter.title}

components/blog/PostNavigation.tsx

@@ -5,43 +5,47 @@ import { PostMdx } from '@/lib/blog';
 interface PostNavigationProps {
   prev: PostMdx | null;
   next: PostMdx | null;
+  isPrevRandom?: boolean;
+  isNextRandom?: boolean;
   locale: string;
 }
 
-export default function PostNavigation({ prev, next, locale }: PostNavigationProps) {
+export default function PostNavigation({ prev, next, isPrevRandom, isNextRandom, locale }: PostNavigationProps) {
   if (!prev && !next) return null;
 
   return (
     <div className="grid grid-cols-1 md:grid-cols-2 w-full mt-16">
       {/* Previous Post (Older) */}
       {prev ? (
-        <Link 
+        <Link
           href={`/${locale}/blog/${prev.slug}`}
           className="group relative h-64 md:h-80 overflow-hidden block"
         >
           {/* Background Image */}
           {prev.frontmatter.featuredImage ? (
-            <div 
+            <div
               className="absolute inset-0 bg-cover bg-center transition-transform duration-700 group-hover:scale-110"
               style={{ backgroundImage: `url(${prev.frontmatter.featuredImage})` }}
             />
           ) : (
             <div className="absolute inset-0 bg-neutral-100" />
           )}
-          
+
           {/* Overlay */}
           <div className="absolute inset-0 bg-black/60 group-hover:bg-black/50 transition-colors duration-300" />
-          
+
           {/* Content */}
           <div className="absolute inset-0 flex flex-col justify-center p-8 md:p-12 text-white z-10">
             <span className="text-sm font-bold uppercase tracking-wider mb-2 opacity-70">
-              {locale === 'de' ? 'Vorheriger Beitrag' : 'Previous Post'}
+              {isPrevRandom
+                ? (locale === 'de' ? 'Weiterer Artikel' : 'More Article')
+                : (locale === 'de' ? 'Vorheriger Beitrag' : 'Previous Post')}
             </span>
             <h3 className="text-xl md:text-2xl font-bold leading-tight group-hover:underline decoration-2 underline-offset-4">
               {prev.frontmatter.title}
             </h3>
           </div>
-          
+
           {/* Arrow Icon */}
           <div className="absolute left-4 top-1/2 -translate-y-1/2 text-white/30 group-hover:text-white group-hover:-translate-x-2 transition-all duration-300">
             <svg className="w-8 h-8" fill="none" stroke="currentColor" viewBox="0 0 24 24">
@@ -55,33 +59,35 @@ export default function PostNavigation({ prev, next, locale }: PostNavigationPro
 
       {/* Next Post (Newer) */}
       {next ? (
-        <Link 
+        <Link
           href={`/${locale}/blog/${next.slug}`}
           className="group relative h-64 md:h-80 overflow-hidden block"
         >
           {/* Background Image */}
           {next.frontmatter.featuredImage ? (
-            <div 
+            <div
               className="absolute inset-0 bg-cover bg-center transition-transform duration-700 group-hover:scale-110"
               style={{ backgroundImage: `url(${next.frontmatter.featuredImage})` }}
             />
           ) : (
             <div className="absolute inset-0 bg-neutral-100" />
           )}
-          
+
           {/* Overlay */}
           <div className="absolute inset-0 bg-black/60 group-hover:bg-black/50 transition-colors duration-300" />
-          
+
           {/* Content */}
           <div className="absolute inset-0 flex flex-col justify-center items-end text-right p-8 md:p-12 text-white z-10">
             <span className="text-sm font-bold uppercase tracking-wider mb-2 opacity-70">
-              {locale === 'de' ? 'Nächster Beitrag' : 'Next Post'}
+              {isNextRandom
+                ? (locale === 'de' ? 'Weiterer Artikel' : 'More Article')
+                : (locale === 'de' ? 'Nächster Beitrag' : 'Next Post')}
             </span>
             <h3 className="text-xl md:text-2xl font-bold leading-tight group-hover:underline decoration-2 underline-offset-4">
               {next.frontmatter.title}
             </h3>
           </div>
-          
+
           {/* Arrow Icon */}
           <div className="absolute right-4 top-1/2 -translate-y-1/2 text-white/30 group-hover:text-white group-hover:translate-x-2 transition-all duration-300">
             <svg className="w-8 h-8" fill="none" stroke="currentColor" viewBox="0 0 24 24">

lib/blog.ts

@@ -109,7 +109,7 @@ export async function getAllPostsMetadata(locale: string): Promise<Partial<PostM
 export async function getAdjacentPosts(
   slug: string,
   locale: string,
-): Promise<{ prev: PostMdx | null; next: PostMdx | null }> {
+): Promise<{ prev: PostMdx | null; next: PostMdx | null; isPrevRandom?: boolean; isNextRandom?: boolean }> {
   const posts = await getAllPosts(locale);
   const currentIndex = posts.findIndex((post) => post.slug === slug);
 
@@ -120,10 +120,31 @@ export async function getAdjacentPosts(
   // Posts are sorted by date descending (newest first)
   // So "next" post (newer) is at index - 1
   // And "previous" post (older) is at index + 1
-  const next = currentIndex > 0 ? posts[currentIndex - 1] : null;
-  const prev = currentIndex < posts.length - 1 ? posts[currentIndex + 1] : null;
+  let next = currentIndex > 0 ? posts[currentIndex - 1] : null;
+  let prev = currentIndex < posts.length - 1 ? posts[currentIndex + 1] : null;
 
-  return { prev, next };
+  let isNextRandom = false;
+  let isPrevRandom = false;
+
+  const getRandomPost = (excludeSlugs: string[]) => {
+    const available = posts.filter(p => !excludeSlugs.includes(p.slug));
+    if (available.length === 0) return null;
+    return available[Math.floor(Math.random() * available.length)];
+  };
+
+  // If there's no next post (we are at the newest post), show a random post instead
+  if (!next && posts.length > 2) {
+    next = getRandomPost([slug, prev?.slug].filter(Boolean) as string[]);
+    isNextRandom = true;
+  }
+
+  // If there's no previous post (we are at the oldest post), show a random post instead
+  if (!prev && posts.length > 2) {
+    prev = getRandomPost([slug, next?.slug].filter(Boolean) as string[]);
+    isPrevRandom = true;
+  }
+
+  return { prev, next, isPrevRandom, isNextRandom };
 }
 
 export function getReadingTime(content: string): number {

lib/imgproxy-loader.ts

@@ -23,11 +23,28 @@ export default function imgproxyLoader({
     return src;
   }
 
+  // Check if src contains custom gravity query parameter
+  let gravity = 'sm'; // Use smart gravity (content-aware) by default
+  let cleanSrc = src;
+
+  try {
+    // Dummy base needed for relative URLs
+    const url = new URL(src, 'http://localhost');
+    const customGravity = url.searchParams.get('gravity');
+    if (customGravity) {
+      gravity = customGravity;
+      url.searchParams.delete('gravity');
+      cleanSrc = src.startsWith('http') ? url.href : url.pathname + url.search;
+    }
+  } catch (e) {
+    // Fallback if parsing fails
+  }
+
   // We use the width provided by Next.js for responsive images
   // Height is set to 0 to maintain aspect ratio
-  return getImgproxyUrl(src, {
+  return getImgproxyUrl(cleanSrc, {
     width,
     resizing_type: 'fit',
-    gravity: 'sm', // Use smart gravity (content-aware) instead of face detection (requires ML/Pro)
+    gravity,
   });
 }