Use shadcn Alert for the "no devices connected" hints

Replaces the ad-hoc bp-glass Card used for the "No devices connected
yet." placeholder in ButtplugConsole and ReplayPlayer with the shadcn
Alert component (newly installed).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

components/control/ButtplugConsole.tsx

@@ -22,6 +22,8 @@ import { DeviceCard } from "./DeviceCard";
 import { RecordControls } from "./RecordControls";
 import { NameSessionDialog } from "./NameSessionDialog";
 import { Card, CardContent } from "@/components/ui/card";
+import { Alert, AlertDescription } from "@/components/ui/alert";
+import { Info } from "lucide-react";
 
 interface ActiveSession {
   id: number;
@@ -240,12 +242,13 @@ export function ButtplugConsole() {
       {storeError && <p className="text-sm text-destructive">{storeError}</p>}
 
       {Object.keys(devices).length === 0 ? (
-        <Card className="bp-glass">
-          <CardContent className="text-sm text-muted-foreground">
+        <Alert className="bp-glass">
+          <Info />
+          <AlertDescription>
             No devices connected yet. Scan to discover nearby toys, then select one from your browser&apos;s
             pairing prompt.
-          </CardContent>
-        </Card>
+          </AlertDescription>
+        </Alert>
       ) : (
         <div className="grid gap-4 sm:grid-cols-2">
           {Object.values(devices).map((device) => (

components/sessions/ReplayPlayer.tsx

@@ -11,7 +11,8 @@ import { disconnectAll, getButtplugClientHandle, getDevice, startScanning, stopS
 import { SessionPlayer, type SessionEventRow } from "@/lib/buttplug/player";
 import { useButtplugStore } from "@/lib/buttplug/store";
 import type { ActuatorInfo, ReplayDeviceSlot } from "@/lib/buttplug/types";
-import { Pause, Play } from "lucide-react";
+import { Info, Pause, Play } from "lucide-react";
+import { Alert, AlertDescription } from "@/components/ui/alert";
 
 interface ReplayDataResponse {
   session: {
@@ -163,12 +164,13 @@ export function ReplayPlayer({ sessionId }: { sessionId: number }) {
           </div>
 
           {connectedDevices.length === 0 && (
-            <Card className="bp-glass">
-              <CardContent className="text-sm text-muted-foreground">
+            <Alert className="bp-glass">
+              <Info />
+              <AlertDescription>
                 No devices connected yet. Scan to discover nearby toys, then match them to this session&apos;s
                 original device slots.
-              </CardContent>
-            </Card>
+              </AlertDescription>
+            </Alert>
           )}
         </>
       ) : (

components/ui/alert.tsx

@@ -0,0 +1,76 @@
+import * as React from "react"
+import { cva, type VariantProps } from "class-variance-authority"
+
+import { cn } from "@/lib/utils"
+
+const alertVariants = cva(
+  "group/alert relative grid w-full gap-0.5 rounded-lg border px-2.5 py-2 text-left text-sm has-data-[slot=alert-action]:relative has-data-[slot=alert-action]:pr-18 has-[>svg]:grid-cols-[auto_1fr] has-[>svg]:gap-x-2 *:[svg]:row-span-2 *:[svg]:translate-y-0.5 *:[svg]:text-current *:[svg:not([class*='size-'])]:size-4",
+  {
+    variants: {
+      variant: {
+        default: "bg-card text-card-foreground",
+        destructive:
+          "bg-card text-destructive *:data-[slot=alert-description]:text-destructive/90 *:[svg]:text-current",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+    },
+  }
+)
+
+function Alert({
+  className,
+  variant,
+  ...props
+}: React.ComponentProps<"div"> & VariantProps<typeof alertVariants>) {
+  return (
+    <div
+      data-slot="alert"
+      role="alert"
+      className={cn(alertVariants({ variant }), className)}
+      {...props}
+    />
+  )
+}
+
+function AlertTitle({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="alert-title"
+      className={cn(
+        "font-medium group-has-[>svg]/alert:col-start-2 [&_a]:underline [&_a]:underline-offset-3 [&_a]:hover:text-foreground",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function AlertDescription({
+  className,
+  ...props
+}: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="alert-description"
+      className={cn(
+        "text-sm text-balance text-muted-foreground md:text-pretty [&_a]:underline [&_a]:underline-offset-3 [&_a]:hover:text-foreground [&_p:not(:last-child)]:mb-4",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function AlertAction({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="alert-action"
+      className={cn("absolute top-2 right-2", className)}
+      {...props}
+    />
+  )
+}
+
+export { Alert, AlertTitle, AlertDescription, AlertAction }