Update header and user profile display for improved navigation and clarity

Modify header layout to place login icon to the right of settings gear, remove "Nostra" text from the home page, and display user's role ("SuperAdmin") on their profile.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 069d4324-6c40-4355-955e-c714a50de1ea
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/3df548ff-50ae-432f-9be4-25d34eccc983/069d4324-6c40-4355-955e-c714a50de1ea/9tQ591o

client/src/pages/Landing.tsx

@@ -5,7 +5,7 @@ import { Dialog, DialogContent, DialogHeader, DialogTitle } from "@/components/u
 import { useToast } from "@/hooks/use-toast";
 import { apiRequest, queryClient } from "@/lib/queryClient";
 import { useMutation } from "@tanstack/react-query";
-import { Search, Settings } from "lucide-react";
+import { Search, Settings, User } from "lucide-react";
 import MainContent from "@/components/MainContent";
 
 export default function Landing() {
@@ -85,14 +85,13 @@ export default function Landing() {
       <header className="bg-white border-b border-gray-200 sticky top-0 z-50">
         <div className="max-w-7xl mx-auto px-6 py-4">
           <div className="flex items-center justify-between">
-            <div className="flex items-center space-x-6">
+            <div className="flex items-center">
               <img 
                 src="/attached_assets/logo_black_1759162717640.png" 
                 alt="SAPIENS" 
                 className="h-6 w-auto"
                 data-testid="logo-sapiens"
               />
-              <span className="text-sm text-gray-600 font-medium">Nostra</span>
             </div>
             
             <div className="flex items-center space-x-4">
@@ -109,18 +108,18 @@ export default function Landing() {
               <Button 
                 variant="ghost" 
                 size="sm"
-                onClick={handleLogin}
-                data-testid="button-login"
+                data-testid="button-settings"
               >
-                관리자 페이지
+                <Settings className="h-4 w-4" />
               </Button>
               
               <Button 
                 variant="ghost" 
                 size="sm"
-                data-testid="button-settings"
+                onClick={handleLogin}
+                data-testid="button-login"
               >
-                <Settings className="h-4 w-4" />
+                <User className="h-4 w-4" />
               </Button>
             </div>
           </div>