diff --git a/src/ui/windows/market_tab.cpp b/src/ui/windows/market_tab.cpp
index 8b5a32f..7060416 100644
--- a/src/ui/windows/market_tab.cpp
+++ b/src/ui/windows/market_tab.cpp
@@ -1544,10 +1544,15 @@ void RenderMarketTab(App* app)
                 }
             };
 
-            // Subtle dot grid while rearranging (fine 32px cells; extends into the buffer rows).
+            // Subtle dot grid while rearranging (fine 32px cells). Fill the whole visible grid area
+            // — down to the bottom of the scroll viewport, not just the occupied rows — so a card can
+            // be dropped anywhere, including the empty space below the current cards.
             if (interacting) {
                 ImU32 dotc = WithAlpha(OnSurface(), 38);
-                for (int r = 0; r <= pfMaxRow + 2; r++)
+                float visibleBottom = dl->GetClipRectMax().y;            // bottom edge of the scroll child
+                int rowsToBottom = (int)((visibleBottom - gy) / pfCellH) + 1;
+                int lastRow = std::max(pfMaxRow + 2, rowsToBottom);
+                for (int r = 0; r <= lastRow; r++)
                     for (int c = 0; c <= pfCols; c++)
                         dl->AddCircleFilled(ImVec2(cx + c * pfCellW, gy + r * pfCellH), 1.2f * mktDp, dotc);
             }