add sass-embedded gem

Gemfile

@@ -110,6 +110,7 @@ gem 'rdf-vocab', require: 'rdf/vocab'
 gem 'oai'
 gem 'active_storage_validations'
 gem 'faraday-multipart'
+gem "sass-embedded"
 
 group :development, :test do
   gem 'annotate'

Gemfile.lock

@@ -200,6 +200,9 @@ GEM
       request_store (~> 1.0)
     globalize-accessors (0.3.0)
       globalize (>= 5.0.0)
+    google-protobuf (4.29.2-x86_64-linux)
+      bigdecimal
+      rake (>= 13)
     hashdiff (1.1.2)
     highline (3.1.1)
       reline
@@ -434,6 +437,8 @@ GEM
       ffi (~> 1.12)
       logger
     rubyzip (2.3.2)
+    sass-embedded (1.83.0-x86_64-linux-gnu)
+      google-protobuf (~> 4.28)
     scanf (1.0.0)
     securerandom (0.4.1)
     selenium-webdriver (4.27.0)
@@ -575,6 +580,7 @@ DEPENDENCIES
   rspec-rails
   rspec_junit_formatter
   rss
+  sass-embedded
   selenium-webdriver
   simplecov
   sitemap_generator

package.json

@@ -6,7 +6,7 @@
   },
   "scripts": {
     "build": "esbuild app/javascript/*.* --bundle --sourcemap --format=esm --outdir=app/assets/builds --public-path=/assets",
-    "build:css": "sass ./app/assets/stylesheets/application.scss:./app/assets/builds/application.css --no-source-map --load-path=node_modules"
+    "build:css": "bundle exec sass ./app/assets/stylesheets/application.scss:./app/assets/builds/application.css --no-source-map --load-path=node_modules"
   },
   "dependencies": {
     "@babel/runtime": "^7.26.0",