updates

web/src/styles/app.css

@@ -146,6 +146,28 @@ button {
   margin: 0 auto;
 }
 
+.shelf-row {
+  display: flex;
+  gap: 20px;
+  overflow-x: auto;
+  padding: 4px 4px 16px;
+  cursor: grab;
+  scrollbar-width: none; /* Firefox */
+  -ms-overflow-style: none; /* old Edge */
+}
+
+.shelf-row::-webkit-scrollbar {
+  display: none; /* Chrome, Safari */
+}
+
+.shelf-row.dragging {
+  cursor: grabbing;
+}
+
+.shelf-row .card {
+  flex: 0 0 180px;
+}
+
 .round {
   border-radius: 999px;
   border: none;