diff --git a/README.md b/README.md
index c89405a..e6f6fe7 100644
--- a/README.md
+++ b/README.md
@@ -66,6 +66,8 @@ very largest homes may not fit.
 - Packs several environments into one `.fbundle` to share or install together ([bundles](docs/bundles.md)).
 - Debug views (wireframe, meshes, GPU cost, overdraw), a home report, and the headset's settings and debug page
   from your desk.
+- A navigation gizmo in the viewport corner: drag it to orbit, click an axis to snap to that view.
+- Themes, from dark to light, drawn from the MetaDB palette (**Window > Theme**).
 
 ## Guides
 
diff --git a/docs/studio-guide.md b/docs/studio-guide.md
index 2ad37e5..77b503e 100644
--- a/docs/studio-guide.md
+++ b/docs/studio-guide.md
@@ -46,6 +46,9 @@ Layout** puts everything back; **Ctrl+Space** fills the window with the 3D Viewp
 (a big view with Properties on the World tab) and **Headset** (Properties on the Headset tab). Studio remembers
 your layout between runs.
 
+**Themes.** **Window > Theme** recolours the whole interface, from dark to light, using the palette from the MetaDB
+site. The choice is saved and comes back next time.
+
 ## Opening a home
 
 - **File > Open...** (Ctrl+O), or drop a file on the window. It opens:
@@ -61,7 +64,8 @@ your layout between runs.
 
 | Do this | With |
 |---|---|
-| Orbit | middle-drag, or Alt + left-drag |
+| Orbit | middle-drag, Alt + left-drag, or drag the axes gizmo in the top-right corner |
+| Snap to a view (top, front, side...) | click an axis ball on the gizmo (or the Numpad: 1/3/7 front/side/top, Ctrl for the opposite) |
 | Pan | Shift + middle-drag |
 | Zoom | mouse wheel, or Ctrl + middle-drag |
 | Fly | hold the right mouse button + W A S D, Q / E down / up (wheel: speed, Shift: 4x) |
diff --git a/studio/studio.cpp b/studio/studio.cpp
index 3fe4de7..c2cc8d5 100644
--- a/studio/studio.cpp
+++ b/studio/studio.cpp
@@ -4907,10 +4907,12 @@ struct Studio {
             const ImVec2 p = ImGui::GetCursorScreenPos();
             if (ImGui::InvisibleButton("##tab", ImVec2(side, side))) inspectorTab = t.tab;
             const bool on = inspectorTab == t.tab, hot = ImGui::IsItemHovered();
-            if (on) dl->AddRectFilled(ImVec2(p.x - 3 * scale, p.y), ImVec2(p.x + side + (colW - side) * 0.5f + 1, p.y + side), col(kPanel), 5 * scale,
-                                      ImDrawFlags_RoundCornersLeft);
-            else if (hot) dl->AddRectFilled(p, ImVec2(p.x + side, p.y + side), col(kWidget), 5 * scale);
-            drawToolIcon(dl, t.icon, ImVec2(p.x + side * 0.5f, p.y + side * 0.5f), side * 0.6f, col(on ? 0xffffff : 0xb0b0b0));
+            if (on) {
+                dl->AddRectFilled(ImVec2(p.x - 3 * scale, p.y), ImVec2(p.x + side + (colW - side) * 0.5f + 1, p.y + side), col(kPanel), 5 * scale,
+                                  ImDrawFlags_RoundCornersLeft);
+                dl->AddRectFilled(ImVec2(p.x - 3 * scale, p.y + 3 * scale), ImVec2(p.x - 3 * scale + 2.5f * scale, p.y + side - 3 * scale), col(kBlue), 1);   // accent: which tab is open
+            } else if (hot) dl->AddRectFilled(p, ImVec2(p.x + side, p.y + side), col(kWidget), 5 * scale);
+            drawToolIcon(dl, t.icon, ImVec2(p.x + side * 0.5f, p.y + side * 0.5f), side * 0.6f, col(on ? kText : hot ? kText : kDim));
             if (hot) ImGui::SetTooltip("%s", t.tip);
             ImGui::PopID();
             ImGui::SetCursorPosX((colW - side) * 0.5f);
@@ -6777,7 +6779,12 @@ struct Studio {
             if (ImGui::MenuItem("The Home's Meshes", nullptr, showMeshes)) { showMeshes = !showMeshes; refreshVisibility(); }
             ImGui::EndPopup();
         }
-        ImGui::SameLine(0, 8 * scale);
+        {   // a divider: the overlay toggle is one thing, the shading modes another
+            ImGui::SameLine(0, 7 * scale);
+            const ImVec2 p = ImGui::GetCursorScreenPos();
+            ImGui::GetWindowDrawList()->AddLine(ImVec2(p.x, p.y + 4 * scale), ImVec2(p.x, p.y + fh - 4 * scale), col(kLine));
+            ImGui::SameLine(0, 7 * scale);
+        }
         // Blender's shading spheres: wire, solid, material
         auto sphere = [&](ImDrawList* d, ImVec2 c, float r, int kind) {
             if (kind == 0) {