docs: custom color scheme

docs/stylesheets/extra.css

@@ -7,7 +7,10 @@ mjx-math {
 }
 
 :root {
-  --md-admonition-icon--important: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M256 512a256 256 0 1 0 0-512 256 256 0 1 0 0 512zm0-384c13.3 0 24 10.7 24 24v112c0 13.3-10.7 24-24 24s-24-10.7-24-24V152c0-13.3 10.7-24 24-24zm-32 224a32 32 0 1 1 64 0 32 32 0 1 1-64 0z"/></svg>')
+  --md-primary-fg-color: #00599c;
+  --md-primary-fg-color--light: #659ad2;
+  --md-primary-fg-color--dark: #004482;
+  --md-admonition-icon--important: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M256 512a256 256 0 1 0 0-512 256 256 0 1 0 0 512zm0-384c13.3 0 24 10.7 24 24v112c0 13.3-10.7 24-24 24s-24-10.7-24-24V152c0-13.3 10.7-24 24-24zm-32 224a32 32 0 1 1 64 0 32 32 0 1 1-64 0z"/></svg>');
 }
 
 .md-typeset .admonition.important,

mkdocs.yml

@@ -34,20 +34,27 @@ theme:
     - toc.follow
     - toc.integrate
   palette:
+    # Palette toggle for automatic mode
+    - media: "(prefers-color-scheme)"
+      toggle:
+        icon: material/link
+        name: Switch to light mode
+
+    # Palette toggle for light mode
     - media: "(prefers-color-scheme: light)"
       scheme: default
-      primary: indigo
-      accent: indigo
-      toggle:
-        icon: material/weather-night
-        name: Switch to dark mode
-    - media: "(prefers-color-scheme: dark)"
-      scheme: slate
-      primary: indigo
-      accent: indigo
+      primary: custom
       toggle:
         icon: material/weather-sunny
-        name: Switch to light mode
+        name: Switch to dark mode
+
+    # Palette toggle for dark mode
+    - media: "(prefers-color-scheme: dark)"
+      scheme: slate
+      primary: black
+      toggle:
+        icon: material/weather-night
+        name: Switch to system preference
   font:
     text: Roboto
     code: Roboto Mono
@@ -65,6 +72,8 @@ plugins:
   - search
   - social:
       enabled: !ENV [CI, false]
+      cards_layout_options:
+        background_color: "#00599c"
   - tags:
       tags_file: users_guide/examples/tags_index.md