style: improving color contrast

In light theme:

Improve contrast on brand foreground:
colorBrandForeground1
colorBrandForeground2
colorBrandForeground2Hover
colorBrandForeground2Pressed

Improve background contrast on
colorNeutralBackground2

Make colorSubtleBackgroundHover visible on top of all background

Correction of illustration "location" that got themes switched

Author: markuslindmark

illustrations/assets/Location/il_axis_location_dark.svg

@@ -0,0 +1,37 @@
+<!--
+  Do not edit directly
+  Generated on Thu, 18 Dec 2025 15:24:07 GMT
+-->
+<ResourceDictionary
+  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+  xmlns:system="clr-namespace:System;assembly=mscorlib"
+>
+  <system:Double x:Key="FontSizeBase100">10</system:Double>
+  <system:Double x:Key="FontSizeBase200">12</system:Double>
+  <system:Double x:Key="FontSizeBase300">14</system:Double>
+  <system:Double x:Key="FontSizeBase400">16</system:Double>
+  <system:Double x:Key="FontSizeBase500">20</system:Double>
+  <system:Double x:Key="FontSizeBase600">24</system:Double>
+  <system:Double x:Key="FontSizeHero700">28</system:Double>
+  <system:Double x:Key="FontSizeHero800">32</system:Double>
+  <system:Double x:Key="FontSizeHero900">40</system:Double>
+  <system:Double x:Key="FontSizeHero1000">68</system:Double>
+
+  <FontWeight x:Key="FontWeightRegular">Regular</FontWeight>
+  <FontWeight x:Key="FontWeightMedium">Medium</FontWeight>
+  <FontWeight x:Key="FontWeightSemibold">SemiBold</FontWeight>
+  <FontWeight x:Key="FontWeightBold">Bold</FontWeight>
+
+  <Thickness x:Key="StrokeWidthThin">1</Thickness>
+  <Thickness x:Key="StrokeWidthThick">2</Thickness>
+  <Thickness x:Key="StrokeWidthThicker">3</Thickness>
+  <Thickness x:Key="StrokeWidthThickest">4</Thickness>
+
+  <CornerRadius x:Key="BorderRadiusNone">0</CornerRadius>
+  <CornerRadius x:Key="BorderRadiusSmall">2</CornerRadius>
+  <CornerRadius x:Key="BorderRadiusMedium">4</CornerRadius>
+  <CornerRadius x:Key="BorderRadiusLarge">6</CornerRadius>
+  <CornerRadius x:Key="BorderRadiusXLarge">8</CornerRadius>
+  <CornerRadius x:Key="BorderRadiusCircular">10000</CornerRadius>
+</ResourceDictionary>