feat(design): glass surfaces by role, the static Badge, LinkButton, user pickers on the Combobox (E28 S3d1)

frontend/src/components/DownloadCenter.tsx

@@ -44,6 +44,7 @@ import { MetaEditModal, ErrorModal } from "./downloadModals";
 import { AdminSystem } from "./downloadAdmin";
 import NavGrid from "./ui/NavGrid";
 import { Input } from "./ui/Input";
+import { IconLink } from "./ui/LinkButton";
 
 export default function DownloadCenter() {
   const me = useMe();
@@ -159,13 +160,9 @@ export default function DownloadCenter() {
   if (!tabs.some((tb) => tb.id === tab)) setTab("queue");
 
   const saveBtn = (job: DownloadJob) => (
-    <a
-      href={api.downloadFileUrl(job.id)}
-      title={t("downloads.actions.download")}
-      className="p-1.5 rounded-md hover:bg-surface text-muted hover:text-fg transition"
-    >
-      <Download className="w-4 h-4" />
-    </a>
+    <IconLink href={api.downloadFileUrl(job.id)} label={t("downloads.actions.download")}>
+      <Download />
+    </IconLink>
   );
 
   return (