Render FAQ topics as cards, drop dead scoped CSS

Elternbeirat.Web/Features/Faqs/FaqList.razor.cs

@@ -9,7 +9,7 @@ public partial class FaqList
 {
     [LoggerMessage(
         Level = LogLevel.Error,
-        Message = "Could not load FAQs from PocketBase; content source is unavailable.")]
+        Message = "Could not load FAQ topics from PocketBase; content source is unavailable.")]
     private static partial void LogSourceUnavailable(
         ILogger logger,
         Exception exception);
@@ -23,10 +23,10 @@ public partial class FaqList
     [CascadingParameter]
     private HttpContext? HttpContext { get; set; }
 
-    private IReadOnlyList<IGrouping<FaqTopic, Faq>> _groups = [];
+    private IReadOnlyList<FaqTopic> _topics = [];
 
     // Set when the content source could not be reached or read. The markup then
-    // shows a "temporarily unavailable" note instead of "no questions", matching
+    // shows a "temporarily unavailable" note instead of "no topics", matching
     // the 503 this sets on the response.
     private bool _unavailable;
 
@@ -34,17 +34,11 @@ public partial class FaqList
     {
         try
         {
-            var faqs = await PocketBase.GetFaqsAsync(HttpContext?.RequestAborted ?? CancellationToken.None);
-
-            // GetFaqsAsync sorts by topic.order first, so grouping in encounter order
-            // keeps the topic groups in the order an editor gave the topics. Entries
-            // without an expanded topic have no group and are skipped rather than
-            // grouped under a null heading.
-            _groups = [.. faqs.Where(faq => faq.Topic is not null).GroupBy(faq => faq.Topic!)];
+            _topics = await PocketBase.GetFaqTopicsAsync(HttpContext?.RequestAborted ?? CancellationToken.None);
         }
         catch (PocketBaseUnavailableException exception)
         {
-            // An empty page would claim there are no questions. The site works, its
+            // An empty page would claim there are no topics. The site works, its
             // data store is down: 503 and an honest note.
             LogSourceUnavailable(Logger, exception);
             _unavailable = true;