diff --git a/crates/qbz-qt/qml/controls/IconTextButton.qml b/crates/qbz-qt/qml/controls/IconTextButton.qml
index ae4e4bc42..738ff7763 100644
--- a/crates/qbz-qt/qml/controls/IconTextButton.qml
+++ b/crates/qbz-qt/qml/controls/IconTextButton.qml
@@ -36,7 +36,7 @@ Rectangle {
     radius: theme.radiusSm
     border.width: 1
     border.color: theme.borderSubtle
-    color: hoverArea.containsMouse && root.btnEnabled ? theme.surfaceHover : theme.surfaceElevated
+    color: hoverArea.containsMouse && root.btnEnabled ? theme.surfaceHover : (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated)
     opacity: root.btnEnabled ? 1.0 : 0.4
 
     Row {
diff --git a/crates/qbz-qt/qml/controls/QbzLoadMore.qml b/crates/qbz-qt/qml/controls/QbzLoadMore.qml
index 8a4329d75..733c1b2e8 100644
--- a/crates/qbz-qt/qml/controls/QbzLoadMore.qml
+++ b/crates/qbz-qt/qml/controls/QbzLoadMore.qml
@@ -181,7 +181,7 @@ Column {
             width: pillText.implicitWidth + 36
             height: 32
             radius: theme.radiusSm
-            color: pillArea.containsMouse ? theme.surfaceElevated : theme.surfaceCard
+            color: pillArea.containsMouse ? theme.surfaceElevated : (theme.ambientOn ? theme.surfaceCardA50 : theme.surfaceCard)
             border.width: 1
             border.color: theme.borderSubtle
             Text {
diff --git a/crates/qbz-qt/qml/controls/QbzMultiSelectBar.qml b/crates/qbz-qt/qml/controls/QbzMultiSelectBar.qml
index 4af9028ad..506f52168 100644
--- a/crates/qbz-qt/qml/controls/QbzMultiSelectBar.qml
+++ b/crates/qbz-qt/qml/controls/QbzMultiSelectBar.qml
@@ -47,7 +47,7 @@ Rectangle {
 
     height: 44
     radius: 8
-    color: theme.surfaceElevated
+    color: (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated)
 
     Row {
         anchors.fill: parent
diff --git a/crates/qbz-qt/qml/controls/QbzSearchField.qml b/crates/qbz-qt/qml/controls/QbzSearchField.qml
index 263474576..fc01332bf 100644
--- a/crates/qbz-qt/qml/controls/QbzSearchField.qml
+++ b/crates/qbz-qt/qml/controls/QbzSearchField.qml
@@ -32,7 +32,8 @@ Rectangle {
     implicitWidth: 168
     implicitHeight: 34
     radius: 6
-    color: theme.surfaceElevated
+    // The header search's ambient-aware fill, so every search box reads alike.
+    color: (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated)
     border.width: 1
     border.color: input.activeFocus ? theme.accent : theme.borderSubtle
 
diff --git a/crates/qbz-qt/qml/controls/QbzTextArea.qml b/crates/qbz-qt/qml/controls/QbzTextArea.qml
index 03ce073ee..67bbe2c57 100644
--- a/crates/qbz-qt/qml/controls/QbzTextArea.qml
+++ b/crates/qbz-qt/qml/controls/QbzTextArea.qml
@@ -33,7 +33,7 @@ Rectangle {
     width: 240
     height: 96
     radius: theme.radiusSm
-    color: theme.surfaceElevated
+    color: (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated)
     border.width: 1
     border.color: input.activeFocus ? theme.accent : theme.borderSubtle
 
diff --git a/crates/qbz-qt/qml/controls/SettingsButton.qml b/crates/qbz-qt/qml/controls/SettingsButton.qml
index 6aba6e94a..6821ebaf7 100644
--- a/crates/qbz-qt/qml/controls/SettingsButton.qml
+++ b/crates/qbz-qt/qml/controls/SettingsButton.qml
@@ -36,7 +36,7 @@ Rectangle {
     border.width: root.activeFocus ? 2 : 1
     border.color: root.activeFocus ? theme.accent
         : (danger ? theme.danger : theme.borderSubtle)
-    color: enabled && btnArea.containsMouse ? theme.surfaceHover : theme.surfaceElevated
+    color: enabled && btnArea.containsMouse ? theme.surfaceHover : (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated)
     opacity: enabled ? 1.0 : 0.4
     activeFocusOnTab: enabled
     Accessible.role: Accessible.Button
diff --git a/crates/qbz-qt/qml/shell/HeaderBar.qml b/crates/qbz-qt/qml/shell/HeaderBar.qml
index c5a994f5b..f02362947 100644
--- a/crates/qbz-qt/qml/shell/HeaderBar.qml
+++ b/crates/qbz-qt/qml/shell/HeaderBar.qml
@@ -63,6 +63,9 @@ Rectangle {
     // HeaderBar.slint's with-alpha(app-background-surface-alpha)).
     color: ambientOn ? theme.surfaceCardA50 : theme.surfaceCard
     readonly property bool ambientOn: theme.ambientOn
+    /// The fill of an ACTIVE nav item / open button: elevated, at half alpha
+    /// under the ambient field like every other chrome control.
+    readonly property color activeFill: root.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated
 
 
     /// Raised by the app menu's "Report an issue" row; AppShell owns the modal.
@@ -312,7 +315,7 @@ Rectangle {
         height: 30
         width: purchaseRow.implicitWidth
         radius: theme.radiusSm
-        color: purchaseTab.isActive ? theme.surfaceElevated
+        color: purchaseTab.isActive ? root.activeFill
             : purchaseArea.containsMouse ? theme.surfaceHover : "transparent"
 
         Row {
@@ -363,7 +366,7 @@ Rectangle {
         width: tabRow.implicitWidth
         radius: theme.radiusSm
         opacity: isEnabled ? 1.0 : 0.5
-        color: isActive ? theme.surfaceElevated
+        color: isActive ? root.activeFill
             : (tabArea.containsMouse && isEnabled) ? theme.surfaceHover : "transparent"
 
         Row {
@@ -439,7 +442,7 @@ Rectangle {
         height: 30
         radius: theme.radiusSm
         opacity: isEnabled ? 1.0 : 0.5
-        color: isActive ? theme.surfaceElevated
+        color: isActive ? root.activeFill
             : (cnbArea.containsMouse && isEnabled) ? theme.surfaceHover : "transparent"
         // Baked glyph, or the section's own raw image when it carries one
         // (My QBZ branding) — see shell/NavSectionGlyph.qml.
@@ -640,7 +643,7 @@ Rectangle {
                 height: 30
                 radius: theme.radiusSm
                 anchors.verticalCenter: parent.verticalCenter
-                color: plPopup.opened ? theme.surfaceElevated
+                color: plPopup.opened ? root.activeFill
                     : plBtnArea.containsMouse ? theme.surfaceHover : "transparent"
                 QbzIcon {
                     name: "list-music"
diff --git a/crates/qbz-qt/qml/shell/OrbitBanner.qml b/crates/qbz-qt/qml/shell/OrbitBanner.qml
index 7325e1aef..a1ed412dc 100644
--- a/crates/qbz-qt/qml/shell/OrbitBanner.qml
+++ b/crates/qbz-qt/qml/shell/OrbitBanner.qml
@@ -12,7 +12,7 @@ Rectangle {
     property string hostName: ""
     visible: remoteActive
     height: remoteActive ? Math.max(38, label.implicitHeight + 16) : 0
-    color: theme.surfaceElevated
+    color: (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated)
     border.width: 1
     border.color: theme.accent
     Accessible.role: Accessible.StaticText
diff --git a/crates/qbz-qt/qml/shell/QueuePanel.qml b/crates/qbz-qt/qml/shell/QueuePanel.qml
index eb9dd76b6..f9bd286c9 100644
--- a/crates/qbz-qt/qml/shell/QueuePanel.qml
+++ b/crates/qbz-qt/qml/shell/QueuePanel.qml
@@ -429,7 +429,7 @@ Rectangle {
                 height: 34
                 radius: 4
                 anchors.verticalCenter: parent.verticalCenter
-                color: theme.surfaceElevated
+                color: (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated)
                 // No clip: RoundedImage self-confines. One batch root per
                 // visible queue row.
                 RoundedImage {
@@ -893,7 +893,8 @@ Rectangle {
                             width: parent.width
                             height: 44
                             radius: theme.radiusSm
-                            color: theme.surfaceElevated
+                            // Ambient-aware: the one opaque card left in a translucent sidebar.
+                            color: (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated)
                             Row {
                                 anchors.fill: parent
                                 anchors.leftMargin: 6
@@ -906,7 +907,7 @@ Rectangle {
                                     height: 34
                                     radius: 4
                                     anchors.verticalCenter: parent.verticalCenter
-                                    color: theme.surfaceCard
+                                    color: (theme.ambientOn ? theme.surfaceCardA50 : theme.surfaceCard)
                                     // No clip: RoundedImage self-confines.
                                     RoundedImage {
                                         anchors.fill: parent
diff --git a/crates/qbz-qt/qml/shell/Sidebar.qml b/crates/qbz-qt/qml/shell/Sidebar.qml
index 364dc467e..3529ea280 100644
--- a/crates/qbz-qt/qml/shell/Sidebar.qml
+++ b/crates/qbz-qt/qml/shell/Sidebar.qml
@@ -1009,7 +1009,7 @@ Rectangle {
                         anchors.verticalCenter: parent.verticalCenter
                         height: 22
                         radius: 4
-                        color: theme.surfaceElevated
+                        color: (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated)
                         border.width: 1
                         border.color: theme.borderSubtle
                         TextInput {
@@ -1286,7 +1286,7 @@ Rectangle {
                 width: parent.width - 4 * 26
                 height: 22
                 radius: 4
-                color: theme.surfaceElevated
+                color: (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated)
                 border.width: 1
                 border.color: theme.borderSubtle
                 TextInput {
diff --git a/crates/qbz-qt/qml/views/AlbumView.qml b/crates/qbz-qt/qml/views/AlbumView.qml
index 5b50fcc2f..feb59b0ed 100644
--- a/crates/qbz-qt/qml/views/AlbumView.qml
+++ b/crates/qbz-qt/qml/views/AlbumView.qml
@@ -1591,7 +1591,8 @@ Rectangle {
                             height: 30
                             radius: 6
                             anchors.verticalCenter: parent.verticalCenter
-                            color: selectToggleArea.containsMouse ? theme.surfaceHover : theme.surfaceElevated
+                            color: selectToggleArea.containsMouse ? theme.surfaceHover
+                                : (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated)
                             border.width: 1
                             border.color: root.multiSelect ? theme.accent : theme.borderSubtle
                             QbzIcon {
diff --git a/crates/qbz-qt/qml/views/PlayHistoryView.qml b/crates/qbz-qt/qml/views/PlayHistoryView.qml
index 4a52bbff8..0e6ffdaf2 100644
--- a/crates/qbz-qt/qml/views/PlayHistoryView.qml
+++ b/crates/qbz-qt/qml/views/PlayHistoryView.qml
@@ -103,7 +103,7 @@ Rectangle {
                 radius: 6
                 border.width: 1
                 border.color: theme.borderSubtle
-                color: theme.surfaceElevated
+                color: (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated)
 
                 Row {
                     anchors.fill: parent
diff --git a/crates/qbz-qt/qml/views/PurchasesView.qml b/crates/qbz-qt/qml/views/PurchasesView.qml
index c6d71c45b..08d71aaed 100644
--- a/crates/qbz-qt/qml/views/PurchasesView.qml
+++ b/crates/qbz-qt/qml/views/PurchasesView.qml
@@ -355,7 +355,7 @@ Rectangle {
                             required property var modelData
                             width: Math.max(96, kioskTabLabel.implicitWidth + 24)
                             height: 64
-                            color: root.tab === modelData.id ? theme.surfaceElevated : "transparent"
+                            color: root.tab === modelData.id ? (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated) : "transparent"
                             Text { id: kioskTabLabel; anchors.centerIn: parent; text: parent.modelData.label; color: theme.textPrimary; font.pixelSize: 18 }
                             MouseArea { anchors.fill: parent; onClicked: QbzPurchases.setTab(parent.modelData.id) }
                         }
diff --git a/crates/qbz-qt/qml/views/QueueView.qml b/crates/qbz-qt/qml/views/QueueView.qml
index b7c8d2f71..e6c71d03b 100644
--- a/crates/qbz-qt/qml/views/QueueView.qml
+++ b/crates/qbz-qt/qml/views/QueueView.qml
@@ -885,7 +885,7 @@ Rectangle {
                     width: root.kioskHost ? 64 : 36
                     height: root.kioskHost ? 64 : 36
                     radius: theme.radiusSm
-                    color: theme.surfaceCard
+                    color: (theme.ambientOn ? theme.surfaceCardA50 : theme.surfaceCard)
                     border.width: 1
                     border.color: root.followPlaying ? theme.accent
                                                      : theme.borderSubtle
@@ -908,7 +908,7 @@ Rectangle {
                     width: root.kioskHost ? 64 : 36
                     height: root.kioskHost ? 64 : 36
                     radius: theme.radiusSm
-                    color: theme.surfaceCard
+                    color: (theme.ambientOn ? theme.surfaceCardA50 : theme.surfaceCard)
                     border.width: 1
                     border.color: theme.borderSubtle
                     QbzIconButton {
diff --git a/crates/qbz-qt/qml/views/library/LibraryToolbar.qml b/crates/qbz-qt/qml/views/library/LibraryToolbar.qml
index 619ef3d43..37e49ecde 100644
--- a/crates/qbz-qt/qml/views/library/LibraryToolbar.qml
+++ b/crates/qbz-qt/qml/views/library/LibraryToolbar.qml
@@ -82,7 +82,7 @@ Item {
         width: 30
         height: 30
         radius: 6
-        color: active ? theme.surfaceElevated
+        color: active ? (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated)
              : ttArea.containsMouse ? theme.surfaceHover : "transparent"
         QbzIcon {
             name: parent.name
@@ -234,7 +234,9 @@ Item {
         y: 25 - height / 2
         width: tabRow.width
         height: tabRow.height
-        color: theme.surfaceElevated
+        // Ambient-aware like the tab bar it hosts (the strip read opaque
+        // under the ambient field while Discover's and Local's had alpha).
+        color: (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated)
         radius: 6
         Row {
             id: tabRow
diff --git a/crates/qbz-qt/qml/views/local/LocalIconSelect.qml b/crates/qbz-qt/qml/views/local/LocalIconSelect.qml
index 1042b0e16..2b85c1310 100644
--- a/crates/qbz-qt/qml/views/local/LocalIconSelect.qml
+++ b/crates/qbz-qt/qml/views/local/LocalIconSelect.qml
@@ -40,7 +40,7 @@ Item {
         radius: 6
         border.width: 1
         border.color: root.marked ? theme.accent : theme.borderSubtle
-        color: btnArea.containsMouse ? theme.surfaceHover : theme.surfaceElevated
+        color: btnArea.containsMouse ? theme.surfaceHover : (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated)
         QbzIcon {
             name: root.iconName
             width: 15
diff --git a/crates/qbz-qt/qml/views/local/TreeRow.qml b/crates/qbz-qt/qml/views/local/TreeRow.qml
index 6fff7fa07..18e94645d 100644
--- a/crates/qbz-qt/qml/views/local/TreeRow.qml
+++ b/crates/qbz-qt/qml/views/local/TreeRow.qml
@@ -35,7 +35,7 @@ Rectangle {
 
     height: 26
     radius: 6
-    color: selected ? theme.surfaceElevated
+    color: selected ? (theme.ambientOn ? theme.surfaceElevatedA50 : theme.surfaceElevated)
          : rowArea.containsMouse ? theme.surfaceHover : "transparent"
 
     // Row body — declared FIRST so the chevron / checkbox win their clicks.