feat: add video playback support in lightbox and photo grid

- Lightbox renders <video> with controls for video assets
- PhotoGrid shows video indicator overlay on video thumbnails
- Skip video preloading in lightbox (streams on demand)
- Add video-related CSS styles
- Update catch-all page to pass video URLs to components

app/[...path]/AlbumDetailView.tsx

@@ -34,9 +34,9 @@ export function AlbumDetailView({
             {subtitle}
           </p>
         )}
+        {album.description && <p className="album-header__description">{album.description}</p>}
         <p className="album-header__meta">
           {images.length} {images.length === 1 ? 'photo' : 'photos'}
-          {album.description && ` · ${album.description}`}
         </p>
       </div>
       <PhotoGrid assets={images} layout={layout} gridStyle={gridStyle} />

app/[...path]/PhotoGrid.tsx

@@ -15,9 +15,11 @@ import { FadeIn } from '@/components/FadeIn';
 
 export interface PhotoItem {
   id: string;
+  type: 'image' | 'video';
   thumbUrl: string;
   previewUrl: string;
   originalUrl: string;
+  videoUrl?: string;
   exifUrl: string;
   blurDataURL?: string;
   dominantColor?: string;
@@ -173,6 +175,14 @@ export function PhotoGrid({ assets, layout = 'masonry', gridStyle }: PhotoGridPr
               ? { placeholder: 'blur' as const, blurDataURL: asset.blurDataURL }
               : {})}
           />
+          {asset.type === 'video' && (
+            <div className="photo-grid__item-play" aria-hidden="true">
+              <svg viewBox="0 0 24 24" fill="currentColor">
+                <circle cx="12" cy="12" r="12" fillOpacity="0.55" />
+                <polygon points="10,8 10,16 17,12" fill="white" />
+              </svg>
+            </div>
+          )}
           {(asset.camera || asset.lens) && (
             <div className="photo-grid__item-exif" aria-hidden="true">
               {[asset.camera, asset.lens, asset.focalLength].filter(Boolean).join(' · ')}

app/[...path]/page.tsx

@@ -20,6 +20,7 @@ import { PhotoGrid, type PhotoItem } from './PhotoGrid';
 import {
   imageUrl,
   exifUrl,
+  videoUrl,
   assetPlaceholder,
   assetExifSummary,
   assetAspectRatio,
@@ -50,7 +51,7 @@ export async function generateMetadata({ params }: PathPageProps): Promise<Metad
     const album = await immich.getAlbumBySlug(path[1], slug);
     if (album) {
       title = album.albumName;
-      const count = album.assets.filter((a) => a.type === 'IMAGE').length;
+      const count = album.assets.filter((a) => a.type === 'IMAGE' || a.type === 'VIDEO').length;
       subtitle = `${count} photo${count === 1 ? '' : 's'}`;
     }
   } else if (immich.isSubpageSlug(slug)) {
@@ -61,7 +62,7 @@ export async function generateMetadata({ params }: PathPageProps): Promise<Metad
         const album = await immich.getAlbumBySlug(result.albums[0].slug, slug);
         if (album) {
           title = album.albumName;
-          const count = album.assets.filter((a) => a.type === 'IMAGE').length;
+          const count = album.assets.filter((a) => a.type === 'IMAGE' || a.type === 'VIDEO').length;
           subtitle = `${count} photo${count === 1 ? '' : 's'}`;
         }
       } else {
@@ -72,7 +73,7 @@ export async function generateMetadata({ params }: PathPageProps): Promise<Metad
     const album = await immich.getAlbumBySlug(slug);
     if (album) {
       title = album.albumName;
-      const count = album.assets.filter((a) => a.type === 'IMAGE').length;
+      const count = album.assets.filter((a) => a.type === 'IMAGE' || a.type === 'VIDEO').length;
       subtitle = `${count} photo${count === 1 ? '' : 's'}`;
     }
   }
@@ -89,15 +90,18 @@ export async function generateMetadata({ params }: PathPageProps): Promise<Metad
 /** Map Immich assets to PhotoItem props for the grid/lightbox. */
 function toPhotoItems(assets: ImmichAsset[], showExif: boolean): PhotoItem[] {
   return assets
-    .filter((a) => a.type === 'IMAGE')
+    .filter((a) => a.type === 'IMAGE' || a.type === 'VIDEO')
     .map((a) => {
       const ph = assetPlaceholder(a);
-      const exif = showExif ? assetExifSummary(a) : undefined;
+      const exif = showExif && a.type === 'IMAGE' ? assetExifSummary(a) : undefined;
+      const isVideo = a.type === 'VIDEO';
       return {
         id: a.id,
-        thumbUrl: imageUrl(a.id, 'preview'),
+        type: isVideo ? 'video' : 'image',
+        thumbUrl: imageUrl(a.id, 'thumbnail'),
         previewUrl: imageUrl(a.id, 'preview'),
         originalUrl: imageUrl(a.id, 'original'),
+        ...(isVideo ? { videoUrl: videoUrl(a.id) } : {}),
         exifUrl: exifUrl(a.id),
         ...(ph ? { blurDataURL: ph.blurDataURL, dominantColor: ph.dominantColor } : {}),
         ...(exif ?? {}),

app/globals.css

@@ -846,10 +846,19 @@
   letter-spacing: 0.02em;
 }
 
+.album-header__description {
+  margin-top: 12px;
+  font-size: 1rem;
+  color: var(--text-secondary);
+  font-weight: 300;
+  line-height: 1.6;
+  max-width: 640px;
+}
+
 .album-header__meta {
   margin-top: 8px;
   font-size: 0.9rem;
-  color: var(--text-secondary);
+  color: var(--text-muted);
   font-weight: 300;
 }
 
@@ -1005,6 +1014,27 @@
   opacity: 1;
 }
 
+.photo-grid__item-play {
+  position: absolute;
+  inset: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  pointer-events: none;
+}
+
+.photo-grid__item-play svg {
+  width: 48px;
+  height: 48px;
+  color: white;
+  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.5));
+  transition: transform var(--transition-fast);
+}
+
+.photo-grid__item:hover .photo-grid__item-play svg {
+  transform: scale(1.1);
+}
+
 /* ── Loading States ───────────────────────────────── */
 .skeleton {
   background: linear-gradient(

components/Lightbox.tsx

@@ -67,10 +67,10 @@ export function Lightbox({ assets, currentIndex, onClose, onNext, onPrev }: Ligh
     }
   }, [showExif, current, fetchExif]);
 
-  // Preload adjacent images
+  // Preload adjacent images (skip videos — they stream on demand)
   useEffect(() => {
     const preload = (index: number) => {
-      if (index >= 0 && index < assets.length) {
+      if (index >= 0 && index < assets.length && assets[index].type !== 'video') {
         const img = new Image();
         img.src = assets[index].previewUrl;
       }
@@ -158,25 +158,41 @@ export function Lightbox({ assets, currentIndex, onClose, onNext, onPrev }: Ligh
         </svg>
       </button>
 
-      {/* Image */}
+      {/* Image or Video */}
       <div
         className={styles.imageContainer}
         style={{
           backgroundColor: current.dominantColor || '#000',
-          backgroundImage: current.blurDataURL ? `url(${current.blurDataURL})` : undefined,
+          backgroundImage:
+            current.type !== 'video' && current.blurDataURL
+              ? `url(${current.blurDataURL})`
+              : undefined,
           backgroundSize: 'cover',
           backgroundPosition: 'center',
         }}
       >
-        {/* eslint-disable-next-line @next/next/no-img-element */}
-        <img
-          className={`${styles.image}${imageLoaded ? ` ${styles.imageLoaded}` : ''}`}
-          src={current.previewUrl}
-          alt=""
-          draggable={false}
-          onLoad={() => setImageLoaded(true)}
-          onError={() => console.error(`[Lightbox] Failed to load image: ${current.previewUrl}`)}
-        />
+        {current.type === 'video' && current.videoUrl ? (
+          // eslint-disable-next-line jsx-a11y/media-has-caption
+          <video
+            className={`${styles.image}${imageLoaded ? ` ${styles.imageLoaded}` : ''}`}
+            src={current.videoUrl}
+            controls
+            autoPlay={false}
+            playsInline
+            onCanPlay={() => setImageLoaded(true)}
+            onError={() => console.error(`[Lightbox] Failed to load video: ${current.videoUrl}`)}
+          />
+        ) : (
+          // eslint-disable-next-line @next/next/no-img-element
+          <img
+            className={`${styles.image}${imageLoaded ? ` ${styles.imageLoaded}` : ''}`}
+            src={current.previewUrl}
+            alt=""
+            draggable={false}
+            onLoad={() => setImageLoaded(true)}
+            onError={() => console.error(`[Lightbox] Failed to load image: ${current.previewUrl}`)}
+          />
+        )}
       </div>
 
       {/* Next button */}