Revert "Simplify settings preferences layout"

This reverts commit b3b097d265.

src/app.css

@@ -450,23 +450,6 @@ button,
   color: var(--muted);
 }
 
-.settings-toolbar {
-  display: flex;
-  align-items: end;
-  gap: 12px;
-  flex-wrap: wrap;
-}
-
-.compact-field {
-  min-width: 220px;
-  flex: 0 1 240px;
-}
-
-.compact-field span {
-  color: var(--muted);
-  font-size: 12px;
-}
-
 .toolbar-actions {
   flex-wrap: wrap;
 }
@@ -580,6 +563,10 @@ tbody tr:last-child td {
   display: block;
 }
 
+.system-settings-card {
+  gap: 12px;
+}
+
 .system-fields,
 .service-editor-grid {
   display: grid;
@@ -707,8 +694,7 @@ pre {
   }
 
   .shell-header,
-  .table-toolbar,
-  .settings-toolbar {
+  .table-toolbar {
     flex-direction: column;
     align-items: flex-start;
   }