diff --git a/modules/Mpris.qml b/modules/Mpris.qml
index e3295d0..f80c841 100644
--- a/modules/Mpris.qml
+++ b/modules/Mpris.qml
@@ -12,7 +12,7 @@ M.BarSection {
     tooltip: ""
 
     property int _playerIdx: 0
-    readonly property var _players: Mpris.players.values ?? []
+    readonly property var _players: (Mpris.players.values ?? []).filter(p => p.trackTitle || p.playbackState === MprisPlaybackState.Playing || p.playbackState === MprisPlaybackState.Paused)
     readonly property MprisPlayer player: _players[_playerIdx] ?? _players[0] ?? null
     readonly property bool playing: player?.playbackState === MprisPlaybackState.Playing
 
diff --git a/modules/Volume.qml b/modules/Volume.qml
index c75abe5..eae863f 100644
--- a/modules/Volume.qml
+++ b/modules/Volume.qml
@@ -69,7 +69,7 @@ M.BarSection {
 
     Timer {
         id: _collapseTimer
-        interval: 500
+        interval: 1500
         onTriggered: root._expanded = false
     }
 
@@ -81,7 +81,8 @@ M.BarSection {
         MouseArea {
             anchors.fill: parent
             cursorShape: Qt.PointingHandCursor
-            onClicked: root._expanded = !root._expanded
+            onClicked: if (root.sink?.audio)
+                root.sink.audio.muted = !root.sink.audio.muted
         }
     }
     M.BarLabel {
@@ -92,7 +93,8 @@ M.BarSection {
         MouseArea {
             anchors.fill: parent
             cursorShape: Qt.PointingHandCursor
-            onClicked: root._expanded = !root._expanded
+            onClicked: if (root.sink?.audio)
+                root.sink.audio.muted = !root.sink.audio.muted
         }
     }
 
@@ -197,18 +199,40 @@ M.BarSection {
             }
         }
 
-        // Sink name
-        Text {
+        // Sink name — click to expand/collapse device list
+        Item {
             width: parent.width
-            height: 18
-            horizontalAlignment: Text.AlignHCenter
-            text: root.sink?.description ?? root.sink?.name ?? ""
-            color: M.Theme.base04
-            font.pixelSize: M.Theme.fontSize - 2
-            font.family: M.Theme.fontFamily
-            elide: Text.ElideRight
-            leftPadding: 12
-            rightPadding: 12
+            height: 22
+
+            Text {
+                anchors.left: parent.left
+                anchors.right: chevron.left
+                anchors.leftMargin: 12
+                anchors.rightMargin: 4
+                anchors.verticalCenter: parent.verticalCenter
+                text: root.sink?.description ?? root.sink?.name ?? ""
+                color: M.Theme.base04
+                font.pixelSize: M.Theme.fontSize - 2
+                font.family: M.Theme.fontFamily
+                elide: Text.ElideRight
+            }
+
+            Text {
+                id: chevron
+                anchors.right: parent.right
+                anchors.rightMargin: 12
+                anchors.verticalCenter: parent.verticalCenter
+                text: root._expanded ? "\uF077" : "\uF078"
+                color: M.Theme.base04
+                font.pixelSize: M.Theme.fontSize - 3
+                font.family: M.Theme.iconFontFamily
+            }
+
+            MouseArea {
+                anchors.fill: parent
+                cursorShape: Qt.PointingHandCursor
+                onClicked: root._expanded = !root._expanded
+            }
         }
 
         // Expanded: output device list
diff --git a/modules/hex_wave.frag b/modules/hex_wave.frag
index 6c0e4c2..6f204df 100644
--- a/modules/hex_wave.frag
+++ b/modules/hex_wave.frag
@@ -77,7 +77,8 @@ void main() {
     if (wf > 0.01 && edgeFactor > 0.0) {
         // Vary shimmer color across theme gradient using angle + position
         float angle = atan(p.y, p.x);
-        float t = fract((angle + 3.14159) / 6.28318 + center.x * 0.003 + center.y * 0.005);
+        float rawT = fract((angle + 3.14159) / 6.28318 + center.x * 0.003 + center.y * 0.005);
+        float t = abs(rawT * 2.0 - 1.0);  // triangle wave → uC0→uC1→uC2→uC1→uC0, no hard jump
         vec3 shimmerColor = themeGradient(t);
 
         float shimmer = edgeFactor * wf;