Enhance search filter UI for JS disabled users

Change filters UI box to use <details>.

Stylize detail button for filter ui

Fix localization for 'filter'

Fix CSS

Fix styling

assets/css/default.css

@@ -628,6 +628,31 @@ body.dark-theme {
   }
 }
 
-#filters {
-  display: none;
+#filters
+  display: inline;
+  margin-top: 15px;
+}
+
+#filters > div {
+  display: inline-block;
+}
+
+#filters > summary {
+  display: inline-block;
+  margin-bottom:15px;
+}
+
+#filters > summary {
+  display: inline-block;
+  margin-bottom:15px;
+}
+
+#filters > summary::before {
+  content: "[ + ]";
+  font-size: 1.5em;
+}
+
+#filters[open] > summary::before {
+  content: "[ - ]";
+  font-size: 1.5em;
 }

assets/js/search.js

@@ -1,13 +0,0 @@
-function toggle_comments(event) {
-    var target = event.target;
-    var body = document.getElementById('filters');
-    if (body.style.display === 'flex') {
-        target.innerHTML = '[ + ]';
-        body.style.display = 'none';
-    } else {
-        target.innerHTML = '[ - ]';
-        body.style.display = 'flex';
-    }
-}
-
-document.getElementById('togglefilters').onclick = toggle_comments;

src/invidious/views/search.ecr

@@ -2,18 +2,10 @@
 <title><%= search_query.not_nil!.size > 30 ? HTML.escape(query.not_nil![0,30].rstrip(".") + "...") : HTML.escape(query.not_nil!) %> - Invidious</title>
 <% end %>
 
-<h3>
-    <a id="togglefilters" href="javascript:void(0)">[ + ]</a>
-    <%= translate(locale, "filter") %>
-</h3>
-
-<noscript>
-    <style>
-        #filters {
-            display: flex;
-        }
-    </style>
-</noscript>
+<details id="filters">
+  <summary>
+    <a><h3 style="display:inline"> <%= translate(locale, "filter") %> </h3></a>
+  </summary>
 <div id="filters" class="pure-g h-box">
     <div class="pure-u-1-3 pure-u-md-1-5">
         <b><%= translate(locale, "date") %></b>
@@ -95,6 +87,7 @@
         <% end %>
     </div>
 </div>
+</details>
 
 <hr/>