Give the site a warm design system with card-based content lists

Elternbeirat.Web/Features/Embeds/PostsEmbed.razor.css

@@ -1,24 +1,5 @@
+/* Card styles for .post-list are shared with the full posts page and live in the
+   global app.css. Only the embed's spacing on the home page is specific here. */
 .embed-posts {
-    margin-top: 2rem;
-}
-
-.post-list {
-    list-style: none;
-    padding: 0;
-}
-
-.post-list li {
-    padding: 0.75rem 0;
-    border-bottom: 1px solid #eee;
-}
-
-.post-list a {
-    font-size: 1.1rem;
-    text-decoration: none;
-}
-
-.post-list time {
-    display: block;
-    color: #777;
-    font-size: 0.85rem;
+    margin-top: var(--space-5);
 }