Use dark/light specification from system

Gui/main.qml

@@ -16,6 +16,8 @@ ApplicationWindow
     property string confile: ""
     property alias settingsFileDialog: settingsFiledialog
 
+    palette.text: Colors.foreground
+
 
     TopBar
     {

TeroStyle/Button.qml

@@ -7,7 +7,7 @@ T.Button {
     id: control
 
 
-    icon.color: Colors.foreground
+    icon.color: Colors.primaryContrast
     icon.height: 21
     icon.width: 21
     implicitHeight: Math.max(
@@ -32,7 +32,7 @@ T.Button {
         icon: control.icon
         text: control.text
         font: control.font
-        color: Colors.foreground
+        color: Colors.primaryContrast
     }
 
     onIconChanged: () => {

TeroStyle/Colors.qml

@@ -6,10 +6,11 @@ QtObject {
     readonly property int dark: 0
     readonly property int light: 1
 
-    property int theme: dark
+    property int theme: Application.styleHints.colorScheme === Qt.ColorScheme.Light ? light : dark
 
-    readonly property color primary: "#b81a34"
-    readonly property color foreground: theme === dark ? "#fdfdfd" : "#110b0c"
+    property color primary: "#b81a34"
+    property color primaryContrast: "#fdfdfd"
+    property color foreground: theme === dark ? "#fdfdfd" : "#110b0c"
     readonly property color background: theme === dark ? "#303136" : "#eff1f5"
     readonly property color mantle: theme === dark ? "#1e1f22" : "#e7e9ef"
     readonly property color interactive: theme === dark ? "#878b97" : "#d9d9da"

TeroStyle/Label.qml

@@ -0,0 +1,5 @@
+import QtQuick.Controls
+
+Label {
+    color: Colors.foreground
+}

TeroStyle/qmldir

@@ -5,4 +5,5 @@ singleton Typography Typography.qml
 Button Button.qml
 ComboBox ComboBox.qml
 Field Field.qml
+Label Label.qml
 TextField TextField.qml

qml.qrc

@@ -52,8 +52,9 @@
         <file>TeroStyle/Button.qml</file>
         <file>TeroStyle/Colors.qml</file>
         <file>TeroStyle/ComboBox.qml</file>
-        <file>TeroStyle/Field.qml</file>
         <file>TeroStyle/Dimensions.qml</file>
+        <file>TeroStyle/Field.qml</file>
+        <file>TeroStyle/Label.qml</file>
         <file>TeroStyle/qmldir</file>
         <file>TeroStyle/TextField.qml</file>
         <file>TeroStyle/Typography.qml</file>