App 2.23.1: Retro style also in the accent colour

"Retro (accent colour)" draws the display in the chosen paint colour
and the labels in its light shade; regeneration stays green, a low
battery turns amber. Listed under Retro. Emulator only.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LhzAVaUyqcw5PkGjz4mWW6

app/src/main/res/values/strings.xml

@@ -130,6 +130,7 @@
     <string name="overview_style_cockpit">Cockpit</string>
     <string name="overview_style_retro">Retro</string>
     <string name="overview_style_futuristic">Futuristic</string>
+    <string name="overview_style_retro_accent">Retro (accent colour)</string>
     <string name="cockpit_battery">BATTERY</string>
     <string name="cockpit_usage">USAGE · 5 MIN</string>
     <string name="cockpit_usage_unit">kWh/100 km</string>