polish darkmode

assets/sass/_theme/design-system/logo.sass

@@ -8,8 +8,9 @@
         display: none
     .logo-text
         @include h2
-    @media (prefers-color-scheme: dark)
-        > img:first-child
-            display: none
-        .logo-darkmode
-            display: block
\ No newline at end of file
+    &.with-darkmode
+        @media (prefers-color-scheme: dark)
+            > img:first-child
+                display: none
+            .logo-darkmode
+                display: block
\ No newline at end of file

layouts/partials/commons/logo.html

@@ -8,7 +8,7 @@
   {{ $file_darkmode = $logo.darkmode }}
 {{ end }}
 
-<a class="logo" href="{{ site.Home.Permalink }}">
+<a class="logo {{- if $file_darkmode }} with-darkmode {{ end -}}" href="{{ site.Home.Permalink }}">
   {{ if $file }}
     {{ $fileDimensions := partial "GetImageDimensions" (dict "context" . "file" $file "static" true) }}
     <img src="{{ $file }}" alt="{{ site.Title }}" height="{{ index $fileDimensions 1 }}" width="{{ index $fileDimensions 0 }}">