Add positive/negativeBackground to theme

src/themes/Default.qpl

@@ -22,9 +22,6 @@ int animationDuration:        100
 real loadingElementsOpacity:  0.8
 real disabledElementsOpacity: 0.3
 
-icons:
-    string preferredPack: "thin"
-    color colorize: "white"  // "transparent" to disable
 
 fontSize:
     int smaller: 13  * fontScale
@@ -56,7 +53,13 @@ colors:
         hsluv(hue, saturation * 1.25, intensity * 42, Math.max(0.6, opacity))
 
     color strongAccentBackground:
-        hsluv(hue, saturation * 2, intensity * 52, Math.max(0.6, opacity))
+        hsluv(hue, saturation * 2.25, intensity * 52, Math.max(0.6, opacity))
+
+    color positiveBackground:
+        hsluv(155, saturation * 2.25, intensity * 52, Math.max(0.6, opacity))
+
+    color negativeBackground:
+        hsluv(0, saturation * 2.25, intensity * 52, Math.max(0.6, opacity))
 
     color brightText:  hsluv(0, 0, intensity * 100)
     color text:        hsluv(0, 0, intensity * 80)
@@ -77,6 +80,10 @@ colors:
         duration: 10000
         loops:    Animation.Infinite
 
+icons:
+    string preferredPack: "thin"
+    color colorize: "white"  // "transparent" to disable
+
 
 // Generic UI controls
 
@@ -135,7 +142,7 @@ controls:
         int borderWidth:     1
         color border:        "transparent"
         color focusedBorder: colors.accentBackground
-        color errorBorder:   colors.errorText
+        color errorBorder:   colors.negativeBackground
 
         color text:        colors.text
         color focusedText: colors.text