Documentation: support use system preferences for light/dark mode (#7586)

diff --git a/mkdocs.yml b/mkdocs.yml
index 546fc4fbf69e104ecc2577478ef674ab3c600530..fcaedaaee9d243163ab6d9aa5ccd6865f4fe90aa 100644 (file)
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -6,6 +6,12 @@ theme:
     text: Roboto
     code: Roboto Mono
   palette:
+    # Palette toggle for automatic mode
+    - media: "(prefers-color-scheme)"
+      toggle:
+        icon: material/brightness-auto
+        name: Switch to light mode
+
     # Palette toggle for light mode
     - media: "(prefers-color-scheme: light)"
       scheme: default
@@ -18,7 +24,7 @@ theme:
       scheme: slate
       toggle:
         icon: material/brightness-4
-        name: Switch to light mode
+        name: Switch to system preference
   features:
     - navigation.tabs
     - navigation.top