ControlCenter: Optimize dark mode

qml/CardItem.qml

@@ -14,11 +14,11 @@ Item {
 
     signal clicked
 
-    property var backgroundColor: FishUI.Theme.darkMode ? Qt.lighter(FishUI.Theme.secondBackgroundColor, 2.5)
+    property var backgroundColor: FishUI.Theme.darkMode ? Qt.rgba(255, 255, 255, 0.4)
                                                         : Qt.darker(FishUI.Theme.secondBackgroundColor, 1.05)
-    property var hoverColor: FishUI.Theme.darkMode ? Qt.lighter(FishUI.Theme.secondBackgroundColor, 3)
+    property var hoverColor: FishUI.Theme.darkMode ? Qt.rgba(255, 255, 255, 0.5)
                                                    : Qt.darker(FishUI.Theme.secondBackgroundColor, 1.3)
-    property var pressedColor: FishUI.Theme.darkMode ? Qt.lighter(FishUI.Theme.secondBackgroundColor, 2.5)
+    property var pressedColor: FishUI.Theme.darkMode ? Qt.rgba(255, 255, 255, 0.3)
                                                      : Qt.darker(FishUI.Theme.secondBackgroundColor, 1.4)
 
     property var highlightHoverColor: FishUI.Theme.darkMode ? Qt.lighter(FishUI.Theme.highlightColor, 1.1)

qml/ControlDialog.qml

@@ -64,7 +64,7 @@ ControlCenterDialog {
         anchors.fill: parent
         radius: control.height * 0.05
         color: FishUI.Theme.backgroundColor
-        backgroundOpacity: FishUI.Theme.darkMode ? 0.3 : 0.4
+        backgroundOpacity: 0.4
     }
 
     FishUI.WindowShadow {
@@ -211,7 +211,7 @@ ControlCenterDialog {
                 id: brightnessItemBg
                 anchors.fill: parent
                 radius: FishUI.Theme.bigRadius
-                color: FishUI.Theme.darkMode ? Qt.lighter(FishUI.Theme.secondBackgroundColor, 2.5)
+                color: FishUI.Theme.darkMode ? Qt.rgba(255, 255, 255, 0.4)
                                              : Qt.darker(FishUI.Theme.secondBackgroundColor, 1.05)
                 opacity: FishUI.Theme.darkMode ? 0.3 : 0.5
             }
@@ -254,7 +254,7 @@ ControlCenterDialog {
                 id: volumeItemBg
                 anchors.fill: parent
                 radius: FishUI.Theme.bigRadius
-                color: FishUI.Theme.darkMode ? Qt.lighter(FishUI.Theme.secondBackgroundColor, 2.5)
+                color: FishUI.Theme.darkMode ? Qt.rgba(255, 255, 255, 0.4)
                                              : Qt.darker(FishUI.Theme.secondBackgroundColor, 1.05)
                 opacity: FishUI.Theme.darkMode ? 0.3 : 0.5
             }