feat: remove URL display from medium-sized bookmark cards

- Remove bookmark URLs section from CardView component
- Remove unused urlsExpanded state variable
- Clean up unused URL styling from CSS
- Simplify card layout by removing URL display
- Maintain all other card functionality (title, content, progress, author)

src/components/BookmarkViews/CardView.tsx

@@ -48,7 +48,6 @@ export const CardView: React.FC<CardViewProps> = ({
   
   const [ogImage, setOgImage] = useState<string | null>(null)
   const [expanded, setExpanded] = useState(false)
-  const [urlsExpanded, setUrlsExpanded] = useState(false)
   
   const contentLength = (bookmark.content || '').length
   const shouldTruncate = !expanded && contentLength > 210
@@ -157,33 +156,6 @@ export const CardView: React.FC<CardViewProps> = ({
             <RichContent content={articleTitle} className="" />
           </h3>
         )}
-      
-        {extractedUrls.length > 0 && (
-          <div className="bookmark-urls">
-            {(urlsExpanded ? extractedUrls : extractedUrls.slice(0, 1)).map((url, urlIndex) => {
-              return (
-                <button
-                  key={urlIndex}
-                  className="bookmark-url"
-                  onClick={(e) => { e.stopPropagation(); onSelectUrl?.(url) }}
-                  title="Open in reader"
-                >
-                  {url}
-                </button>
-              )
-            })}
-            {extractedUrls.length > 1 && (
-              <button
-                className="expand-toggle-urls"
-                onClick={(e) => { e.stopPropagation(); setUrlsExpanded(v => !v) }}
-                aria-label={urlsExpanded ? 'Collapse URLs' : 'Expand URLs'}
-                title={urlsExpanded ? 'Collapse URLs' : 'Expand URLs'}
-              >
-                {urlsExpanded ? `Hide ${extractedUrls.length - 1} more` : `Show ${extractedUrls.length - 1} more`}
-              </button>
-            )}
-          </div>
-        )}
         
         {isArticle && articleSummary ? (
           <RichContent content={articleSummary} className="bookmark-content article-summary" />

src/styles/components/cards.css

@@ -220,30 +220,6 @@
   transition: width 0.3s ease, background 0.3s ease;
 }
 
-.card-content .bookmark-urls {
-  margin: 0.5rem 0;
-}
-
-.card-content .bookmark-url {
-  display: block;
-  width: 100%;
-  text-align: left;
-  padding: 0.5rem;
-  margin-bottom: 0.25rem;
-  background: var(--color-bg-elevated);
-  border: 1px solid var(--color-border);
-  border-radius: 6px;
-  color: var(--color-primary);
-  text-decoration: none;
-  font-size: 0.8rem;
-  word-break: break-all;
-  transition: all 0.2s ease;
-}
-
-.card-content .bookmark-url:hover {
-  background: var(--color-bg);
-  border-color: var(--color-primary);
-}
 
 /* Large preview view */
 .individual-bookmark.large { padding: 0; display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--color-bg-elevated); }