Modularlize the shell

Common/Theme.qml

@@ -0,0 +1,66 @@
+import QtQuick
+pragma Singleton
+pragma ComponentBehavior: Bound
+
+QtObject {
+    id: root
+    
+    property color primary: "#D0BCFF"
+    property color primaryText: "#381E72"
+    property color primaryContainer: "#4F378B"
+    property color secondary: "#CCC2DC"
+    property color surface: "#10121E"
+    property color surfaceText: "#E6E0E9"
+    property color surfaceVariant: "#49454F"
+    property color surfaceVariantText: "#CAC4D0"
+    property color surfaceTint: "#D0BCFF"
+    property color background: "#10121E"
+    property color backgroundText: "#E6E0E9"
+    property color outline: "#938F99"
+    property color surfaceContainer: "#1D1B20"
+    property color surfaceContainerHigh: "#2B2930"
+    property color archBlue: "#1793D1"
+    property color success: "#4CAF50"
+    property color warning: "#FF9800"
+    property color info: "#2196F3"
+    property color error: "#F2B8B5"
+    
+    property int shortDuration: 150
+    property int mediumDuration: 300
+    property int longDuration: 500
+    property int extraLongDuration: 1000
+    
+    property int standardEasing: Easing.OutCubic
+    property int emphasizedEasing: Easing.OutQuart
+    
+    property real cornerRadius: 12
+    property real cornerRadiusSmall: 8
+    property real cornerRadiusLarge: 16
+    property real cornerRadiusXLarge: 24
+    
+    property real spacingXS: 4
+    property real spacingS: 8
+    property real spacingM: 12
+    property real spacingL: 16
+    property real spacingXL: 24
+    
+    property real fontSizeSmall: 12
+    property real fontSizeMedium: 14
+    property real fontSizeLarge: 16
+    property real fontSizeXLarge: 20
+    
+    property real barHeight: 48
+    property real iconSize: 24
+    property real iconSizeSmall: 16
+    property real iconSizeLarge: 32
+    
+    property real opacityDisabled: 0.38
+    property real opacityMedium: 0.60
+    property real opacityHigh: 0.87
+    property real opacityFull: 1.0
+    
+    property string iconFont: "Material Symbols Rounded"
+    property string iconFontFilled: "Material Symbols Rounded"
+    property int iconFontWeight: Font.Normal
+    property int iconFontFilledWeight: Font.Medium
+}