fix: add elevated card color to v26 theme

Author: starifly

app/src/main/res/values-v26/themes.xml

@@ -14,6 +14,8 @@
         <item name="colorMaterial100">@color/material_pink_100</item>
         <item name="colorMaterial300">@color/material_pink_300</item>
 
+        <item name="cardElevatedSurfaceColor">@color/card_elevated_pink</item>
+
         <item name="accentOrTextSecondary">?colorAccent</item>
         <item name="accentOrTextPrimary">?colorAccent</item>
         <item name="primaryOrTextSecondary">?colorPrimary</item>
@@ -56,4 +58,4 @@
         <item name="materialButtonStyle">@style/Widget.SagerNet.Button</item>
 
     </style>
-</resources>
+</resources>