feat: global platform update

app/(auth)/login/page.tsx

@@ -17,6 +17,7 @@ import {
 import { Button } from "@/components/ui/button";
 import { AlertCircle, LogIn, Loader2 } from "lucide-react";
 import { Alert, AlertDescription } from "@/components/ui/alert";
+import Image from "next/image";
 
 export default function LoginPage() {
   const { loginMock, error: authError } = useAuth();
@@ -43,15 +44,19 @@ export default function LoginPage() {
   const displayError = error || authError;
 
   return (
-    <div className="flex min-h-screen items-center justify-center bg-gradient-to-br from-slate-50 to-slate-100 dark:from-slate-950 dark:to-slate-900 p-4">
+    <div className="flex min-h-screen items-center justify-center bg-gradient-to-br from-[#2B1D49] via-[#5F31F4] to-[#2B1D49] p-4">
       <Card className="w-full max-w-md">
         <CardHeader className="text-center space-y-2">
-          <div className="mx-auto w-12 h-12 bg-primary rounded-lg flex items-center justify-center mb-2">
-            <span className="text-2xl font-bold text-primary-foreground">
-              TG
-            </span>
+          <div className="mx-auto w-12 h-12 flex items-center justify-center mb-2">
+            <Image
+              src="/logo.webp"
+              width={64}
+              height={64}
+              alt="Smartpost"
+              className="rounded-xl"
+            />
           </div>
-          <CardTitle className="text-2xl">TGEX</CardTitle>
+          <CardTitle className="text-2xl">Smartpost</CardTitle>
           <CardDescription>
             Система управления рекламными закупками в Telegram
           </CardDescription>