[IMP] web_theme_classic Add dark mode assets

web_dark_mode is not merged yet.
#3324

Author: ljmnoonan

web_theme_classic/__manifest__.py

@@ -18,6 +18,13 @@
         "web.assets_backend": [
             "/web_theme_classic/static/src/scss/web_theme_classic.scss",
         ],
+        "web.assets_web_dark": [
+            (
+                "before",
+                "/web_theme_classic/static/src/scss/web_theme_classic.scss",
+                "/web_theme_classic/static/src/scss/web_theme_classic.dark.scss",
+            ),
+        ],
     },
     "installable": True,
     "application": True,

web_theme_classic/static/src/scss/web_theme_classic.dark.scss

@@ -0,0 +1,2 @@
+$wtc-input-border-color-focus: rgba($o-action, 0.5) !default;
+$wtc-input-background-color-required: mix($o-action, transparent, 10) !default;