Adjust/fix header, fields and buttons colors

src/qml/Base/HBusyIndicator.qml

@@ -8,8 +8,8 @@ BusyIndicator {
 
     contentItem: Item {
         Rectangle {
-            id: rect
-            width: indicator.height
+            id: circle
+            width: height
             height: indicator.height
             radius: height / 2
 
@@ -27,7 +27,7 @@ BusyIndicator {
 
             XAnimator on x {
                 from: 0
-                to: indicator.width - rect.width
+                to: indicator.width - circle.width
                 duration: colorAnimation.duration / 2
                 onStopped: {[from, to] = [to, from]; start()}
             }

src/qml/Base/HUIButton.qml

@@ -50,10 +50,9 @@ HBaseButton {
                 font.pixelSize: fontSize
                 horizontalAlignment: Text.AlignHCenter
                 verticalAlignment: Text.AlignVCenter
-                color: enabled ?
+                color: button.enabled ?
                        theme.controls.button.text :
                        theme.controls.button.disabledText
-                Behavior on color { HNumberAnimation {} }
 
                 Layout.fillWidth: true
             }

src/themes/Default.qpl

@@ -46,7 +46,9 @@ colors:
     color weakBackground:   hsluv(hue, saturation, intensity * 12, opacity)
     color mediumBackground: hsluv(hue, saturation, intensity * 9, opacity)
     color strongBackground: hsluv(hue, saturation, intensity * 6, opacity)
-    color fullBackground:   hsluv(hue, saturation, intensity * 2, opacity)
+
+    color inputBackground:
+        hsluv(hue, saturation, intensity * 2, Math.min(0.6, opacity))
 
     color brightText: hsluv(0, 0, intensity * 100)
     color text:       hsluv(0, 0, intensity * 80)
@@ -72,11 +74,11 @@ controls:
         int radius:       theme.radius
 
     header:
-        color background: colors.mediumBackground
+        color background: colors.strongBackground
 
     button:
-        color background: colors.fullBackground
-        color text: colors.text
+        color background:   colors.inputBackground
+        color text:         colors.text
         color disabledText: colors.dimmerText
 
     interactiveRectangle:
@@ -91,7 +93,7 @@ controls:
         real checkedOpacity: 0.2
 
     textField:
-        color background:        colors.fullBackground
+        color background:        colors.inputBackground
         color focusedBackground: background
 
         int borderWidth:     1
@@ -102,7 +104,7 @@ controls:
         color focusedText: colors.text
 
     textArea:
-        color background: colors.fullBackground
+        color background: colors.inputBackground
         color text:       colors.text
 
     avatar: