diff --git a/decnet_web/src/components/MazeNET/Inspector.tsx b/decnet_web/src/components/MazeNET/Inspector.tsx
index a93e6d0e..c64ecd7d 100644
--- a/decnet_web/src/components/MazeNET/Inspector.tsx
+++ b/decnet_web/src/components/MazeNET/Inspector.tsx
@@ -27,12 +27,14 @@ interface Props {
   onAddDecky?: (netId: string) => void;
   setSelection?: (sel: Selection) => void;
   pendingChanges?: number;
+  className?: string;
 }
 
 const Inspector: React.FC<Props> = ({
   selection, nets, nodes, edges, topologyStatus, onClose,
   onDeleteNet, onDeleteNode, onDeleteEdge, onRemoveService, onAddDecky, setSelection,
   pendingChanges = 0,
+  className = '',
 }) => {
   const net  = selection?.type === 'net'  ? nets.find((n) => n.id === selection.id)  : undefined;
   const node = selection?.type === 'node' ? nodes.find((n) => n.id === selection.id) : undefined;
@@ -58,7 +60,7 @@ const Inspector: React.FC<Props> = ({
   const isObserved = node?.kind === 'observed';
 
   return (
-    <aside className="maze-inspector">
+    <aside className={`maze-inspector ${className}`}>
       <div className="maze-inspector-title">
         <Crosshair size={12} className="violet-accent" />
         <span>INSPECTOR</span>
diff --git a/decnet_web/src/components/MazeNET/MazeNET.css b/decnet_web/src/components/MazeNET/MazeNET.css
index 7b470621..46e6e2f3 100644
--- a/decnet_web/src/components/MazeNET/MazeNET.css
+++ b/decnet_web/src/components/MazeNET/MazeNET.css
@@ -63,7 +63,21 @@ body.maze-fullscreen .maze-shell {
   min-height: 0;
   margin: 0 -32px -32px;
   border-top: 1px solid var(--border);
+  transition: grid-template-columns 260ms cubic-bezier(0.4, 0, 0.2, 1);
 }
+.maze-palette,
+.maze-inspector {
+  transition: opacity 200ms ease, transform 260ms cubic-bezier(0.4, 0, 0.2, 1);
+  min-width: 0;
+}
+.maze-palette.collapsed,
+.maze-inspector.collapsed {
+  opacity: 0;
+  pointer-events: none;
+  overflow: hidden;
+}
+.maze-palette.collapsed { transform: translateX(-8px); }
+.maze-inspector.collapsed { transform: translateX(8px); }
 
 /* ── Palette ────────────────────────────────── */
 .maze-palette {
diff --git a/decnet_web/src/components/MazeNET/MazeNET.tsx b/decnet_web/src/components/MazeNET/MazeNET.tsx
index c5831111..714e8166 100644
--- a/decnet_web/src/components/MazeNET/MazeNET.tsx
+++ b/decnet_web/src/components/MazeNET/MazeNET.tsx
@@ -626,12 +626,15 @@ const MazeNET: React.FC = () => {
       <div
         className="maze-shell"
         style={{
-          gridTemplateColumns: `${paletteOpen ? '240px ' : ''}1fr${inspectorOpen ? ' 320px' : ''}`,
+          gridTemplateColumns: `${paletteOpen ? '240px' : '0px'} 1fr ${inspectorOpen ? '320px' : '0px'}`,
         }}
       >
-        {paletteOpen && (
-          <Palette services={services} archetypes={archetypes} startPaletteDrag={interaction.startPaletteDrag} />
-        )}
+        <Palette
+          services={services}
+          archetypes={archetypes}
+          startPaletteDrag={interaction.startPaletteDrag}
+          className={paletteOpen ? '' : 'collapsed'}
+        />
         <Canvas
           ref={canvasRef}
           nets={nets}
@@ -673,32 +676,31 @@ const MazeNET: React.FC = () => {
             {interaction.paletteDrag.label}
           </div>
         )}
-        {inspectorOpen && (
-          <Inspector
-            selection={selection}
-            setSelection={setSelection}
-            nets={nets}
-            nodes={nodes}
-            edges={edges}
-            topologyStatus={topoStatus}
-            onClose={() => setInspectorOpen(false)}
-            onDeleteNet={removeNet}
-            onDeleteNode={removeNode}
-            onDeleteEdge={removeEdge}
-            onRemoveService={removeServiceFromNode}
-            onAddDecky={(netId) => {
-              const net = nets.find((n) => n.id === netId);
-              if (!net) return;
-              onPaletteDrop(
-                { kind: 'archetype', slug: archetypes[0]?.slug ?? 'deaddeck',
-                  services: archetypes[0]?.services.slice(0, 2) ?? [],
-                  label: archetypes[0]?.name ?? 'DECKY',
-                  clientX: 0, clientY: 0 },
-                { x: net.x + 40, y: net.y + 60 }, netId, null,
-              );
-            }}
-          />
-        )}
+        <Inspector
+          selection={selection}
+          setSelection={setSelection}
+          nets={nets}
+          nodes={nodes}
+          edges={edges}
+          topologyStatus={topoStatus}
+          onClose={() => setInspectorOpen(false)}
+          onDeleteNet={removeNet}
+          onDeleteNode={removeNode}
+          onDeleteEdge={removeEdge}
+          onRemoveService={removeServiceFromNode}
+          onAddDecky={(netId) => {
+            const net = nets.find((n) => n.id === netId);
+            if (!net) return;
+            onPaletteDrop(
+              { kind: 'archetype', slug: archetypes[0]?.slug ?? 'deaddeck',
+                services: archetypes[0]?.services.slice(0, 2) ?? [],
+                label: archetypes[0]?.name ?? 'DECKY',
+                clientX: 0, clientY: 0 },
+              { x: net.x + 40, y: net.y + 60 }, netId, null,
+            );
+          }}
+          className={inspectorOpen ? '' : 'collapsed'}
+        />
       </div>
     </div>
   );
diff --git a/decnet_web/src/components/MazeNET/Palette.tsx b/decnet_web/src/components/MazeNET/Palette.tsx
index 2e40f3cc..8debfbcf 100644
--- a/decnet_web/src/components/MazeNET/Palette.tsx
+++ b/decnet_web/src/components/MazeNET/Palette.tsx
@@ -22,9 +22,10 @@ interface Props {
   services: ServiceDef[];
   archetypes: Archetype[];
   startPaletteDrag: (d: Omit<PaletteDrag, 'clientX' | 'clientY'>, e: React.MouseEvent) => void;
+  className?: string;
 }
 
-const Palette: React.FC<Props> = ({ services, archetypes, startPaletteDrag }) => {
+const Palette: React.FC<Props> = ({ services, archetypes, startPaletteDrag, className = '' }) => {
   const start = (d: Omit<PaletteDrag, 'clientX' | 'clientY'>) =>
     (e: React.MouseEvent) => {
       if (e.button !== 0) return;
@@ -33,7 +34,7 @@ const Palette: React.FC<Props> = ({ services, archetypes, startPaletteDrag }) =>
     };
 
   return (
-    <div className="maze-palette">
+    <div className={`maze-palette ${className}`}>
       <div className="palette-group">
         <label>① NETWORKS</label>
         <div className="palette-item" onMouseDown={start({ kind: 'network-subnet', slug: 'subnet', label: 'SUBNET' })}>