feat: integrate shadcn/ui with Tailwind v4

src/login/pages/QrLoginSuccess.tsx

@@ -1,10 +1,9 @@
 import type { PageProps } from "keycloakify/login/pages/PageProps";
 import type { KcContext } from "../KcContext";
 import type { I18n } from "../i18n";
+import { Alert, AlertTitle } from "@/components/ui/alert";
 
-export default function QrLoginSuccess(
-    props: PageProps<Extract<KcContext, { pageId: "qr-login-success.ftl" }>, I18n>
-) {
+export default function QrLoginSuccess(props: PageProps<Extract<KcContext, { pageId: "qr-login-success.ftl" }>, I18n>) {
     const { kcContext, i18n, doUseDefaultCss, Template, classes } = props;
     const { msg } = i18n;
 
@@ -18,7 +17,9 @@ export default function QrLoginSuccess(
             headerNode={msg("successQrCodeLoginTitle")}
         >
             <div id="kc-qr-success-message" className={classes?.kcFormClass}>
-                <p className="kcQrSuccessMessageClass">{msg("successQrCodeLoginMessage")}</p>
+                <Alert className="kcQrSuccessMessageClass border-white/45 bg-white/40 backdrop-blur-md">
+                    <AlertTitle>{msg("successQrCodeLoginMessage")}</AlertTitle>
+                </Alert>
             </div>
         </Template>
     );