diff --git a/src/spectrogram.c b/src/spectrogram.c
index 0bd7250..76387b8 100644
--- a/src/spectrogram.c
+++ b/src/spectrogram.c
@@ -53,6 +53,15 @@ static bool IsUserInteracting(void)
     return false;
 }
 
+// Fraction of the view area used by the spectrogram. When the scope is hidden
+// the spectrogram fills the whole area (divider at the bottom); otherwise the
+// scope takes the remainder below dividerY.
+#define SCOPE_COLLAPSE_DIVIDER 0.88f  // drag the handle past this to hide the scope
+static float ScopeDivider(void)
+{
+    return app.showScope ? app.dividerY : 1.0f;
+}
+
 // Reset all per-signal state after a new signal has been loaded into app.signal.
 // Drops the cached STFT/FFT-size cache and the on-screen textures so the main
 // loop recomputes from scratch (loadingPhase 0 handles the STFT (re)alloc).
@@ -260,7 +269,7 @@ int main(int argc, char* argv[])
             float topMargin = 50 * viewScale;
             float bottomMargin = 10 * viewScale;
 
-            float spectroHeight = (GetScreenHeight() - topMargin - bottomMargin - labelHeight - scrollbarHeight - 10 * viewScale) * app.dividerY;
+            float spectroHeight = (GetScreenHeight() - topMargin - bottomMargin - labelHeight - scrollbarHeight - 10 * viewScale) * ScopeDivider();
             Rectangle viewBounds = {
                 sidebarWidth + freqLabelWidth,
                 topMargin,
@@ -478,7 +487,7 @@ int main(int argc, char* argv[])
         float selTopMargin = 50 * selScale;
         float selBottomMargin = 10 * selScale;
 
-        float selSpectroHeight = (GetScreenHeight() - selTopMargin - selBottomMargin - selLabelHeight - selScrollbarHeight - 10.0f * selScale) * app.dividerY;
+        float selSpectroHeight = (GetScreenHeight() - selTopMargin - selBottomMargin - selLabelHeight - selScrollbarHeight - 10.0f * selScale) * ScopeDivider();
         Rectangle selBounds = {
             selSidebarWidth + selFreqLabelWidth,
             selTopMargin,
@@ -628,28 +637,28 @@ int main(int argc, char* argv[])
             }
         }
 
-        // Handle divider drag
-        if (app.loaded && app.showScope && !app.showFileBrowser && !app.showAbout) {
-            // Calculate divider position (using same calculation as selBounds)
-            float viewScale = GetUIScale();
-            float topMargin = 50 * viewScale;
-            float bottomMargin = 10 * viewScale;
-            float labelHeight = 15 * viewScale;
-            float scrollbarHeight = 18 * viewScale;
-            float totalHeight = GetScreenHeight() - topMargin - bottomMargin - labelHeight - scrollbarHeight;
-
-            // Check if mouse is near divider
+        // Handle divider drag. Works whether or not the scope is currently shown
+        // (when hidden, the handle sits at the bottom and can be dragged back up).
+        if (app.loaded && !app.showFileBrowser && !app.showAbout) {
+            // Grab the handle. The starting position is the *effective* divider,
+            // which is the bottom of the view (1.0) while the scope is hidden.
             if (mouseNearDivider && IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) {
                 app.isDividing = true;
                 app.dividerStartPos = mousePos;
-                app.dividerStartY = app.dividerY;
+                app.dividerStartY = ScopeDivider();
             }
             if (app.isDividing && IsMouseButtonDown(MOUSE_LEFT_BUTTON)) {
-                float dy = (mousePos.y - app.dividerStartPos.y) / GetScreenHeight();
-                app.dividerY = app.dividerStartY + dy;
-                // Clamp to reasonable range: 0.3 to 0.8 (30% to 80% for spectrogram)
-                if (app.dividerY < 0.3f) app.dividerY = 0.3f;
-                if (app.dividerY > 0.8f) app.dividerY = 0.8f;
+                float d = app.dividerStartY + (mousePos.y - app.dividerStartPos.y) / GetScreenHeight();
+                if (d >= SCOPE_COLLAPSE_DIVIDER) {
+                    // Dragged (almost) to the bottom — hide the scope.
+                    app.showScope = false;
+                } else {
+                    // Otherwise the scope is shown; clamp the split to 30%..80%.
+                    if (d < 0.3f) d = 0.3f;
+                    if (d > 0.8f) d = 0.8f;
+                    app.showScope = true;
+                    app.dividerY = d;
+                }
             }
             if (IsMouseButtonReleased(MOUSE_LEFT_BUTTON)) {
                 app.isDividing = false;
@@ -767,7 +776,7 @@ int main(int argc, char* argv[])
         float bottomMargin = 10 * renderScale;
 
         // Spectrogram area (excludes labels and scrollbars)
-        float spectroHeight = (GetScreenHeight() - topMargin - bottomMargin - labelHeight - scrollbarHeight - 10 * renderScale) * app.dividerY;
+        float spectroHeight = (GetScreenHeight() - topMargin - bottomMargin - labelHeight - scrollbarHeight - 10 * renderScale) * ScopeDivider();
         Rectangle viewBounds = {
             sidebarWidth + freqLabelWidth,
             topMargin,
@@ -933,8 +942,9 @@ int main(int argc, char* argv[])
                 DrawTextScaled("Waveform (Time/Amplitude)", viewBounds.x, app.scopeView.y - 20, 14, LIGHTGRAY);
             }
             
-            // Draw divider line between spectrogram and scope
-            if (app.showScope && app.loaded) {
+            // Draw divider line + handle. Always shown (even when the scope is
+            // hidden) so the handle can be grabbed at the bottom to bring it back.
+            if (app.loaded) {
                 float dividerY = viewBounds.y + viewBounds.height;
                 Color dividerColor = app.isDividing ? CYAN : Fade((Color){ 180, 180, 200, 255 }, 0.7f);
                 
@@ -963,6 +973,12 @@ int main(int argc, char* argv[])
                 // Draw line extending from handle to edges
                 DrawLine(viewBounds.x, (int)dividerY, handleX, (int)dividerY, dividerColor);
                 DrawLine(handleX + handleW, (int)dividerY, viewBounds.x + viewBounds.width, (int)dividerY, dividerColor);
+
+                // Hint that the hidden scope can be dragged back up.
+                if (!app.showScope && !app.isDividing) {
+                    DrawTextScaled("drag up for scope", handleX + handleW + 8, (int)dividerY - 7, 11,
+                                   Fade(LIGHTGRAY, 0.6f));
+                }
             }
         } else if (!app.showFileBrowser) {
             const char* msg1 = "Press 'O' or click 'Open File Browser' to load a WAV";