diff --git a/src/AcDream.App/Rendering/GameWindow.cs b/src/AcDream.App/Rendering/GameWindow.cs
index 1eaf9497..bba630e7 100644
--- a/src/AcDream.App/Rendering/GameWindow.cs
+++ b/src/AcDream.App/Rendering/GameWindow.cs
@@ -2062,8 +2062,13 @@ public sealed class GameWindow : IDisposable
                 // not reflow. (Width is fixed so the horizontal anchors are inert but harmless.)
                 toolbarRoot.Anchors = AcDream.App.UI.AnchorEdges.Left | AcDream.App.UI.AnchorEdges.Top
                                     | AcDream.App.UI.AnchorEdges.Right;
-                // The frame is the draggable window; the content itself is not.
-                toolbarRoot.ClickThrough = false;
+                // The frame is the draggable window; the content itself is not. ClickThrough so the
+                // content panel never CLAIMS a hit — its behavioral children (slots, indicators) are
+                // hit children-first, and its empty areas fall through to the frame (move). Critically,
+                // when collapsed the row-2 band is hidden, so below the collapsed frame the content has
+                // no visible/hit children and ClickThrough lets clicks fall through (no phantom
+                // window-drag from where row 2 used to be). Same pattern as the chat content panel.
+                toolbarRoot.ClickThrough = true;
                 toolbarRoot.Draggable  = false;
                 toolbarRoot.Resizable  = false;
                 toolbarFrame.AddChild(toolbarRoot);
@@ -2071,10 +2076,16 @@ public sealed class GameWindow : IDisposable
                 // Collapse-to-one-row: the frame's bottom edge snaps between a one-row (row 2 hidden)
                 // and two-row height. CollapsedHeight is computed from the layout (just above row 2),
                 // so there's no magic constant. Bottom-edge only; default expanded.
+                // The full row-2 band (all at content-y 90, toolbar dump 0x21000016): a 6px left
+                // edge-piece (0x100006B6) + the 9 slots (0x100006B7..BF) + an 8px right edge-piece
+                // (0x100006C0). Hide ALL 11 when collapsed — hiding only the 9 slots leaves the two
+                // edge-pieces drawing as black pillars below the bar.
                 uint[] row2Ids =
                 {
+                    0x100006B6u,
                     0x100006B7u, 0x100006B8u, 0x100006B9u, 0x100006BAu, 0x100006BBu,
                     0x100006BCu, 0x100006BDu, 0x100006BEu, 0x100006BFu,
+                    0x100006C0u,
                 };
                 var toolbarRow2 = new System.Collections.Generic.List<AcDream.App.UI.UiElement>();
                 float minRow2Top = float.MaxValue;