feat(admin): add dedicated role-based logins and scoped permissions for Community Q&A, Clubs & Centers, and GPA Curriculum

backend/src/main/java/com/rit/portal/controller/AdminController.java

@@ -47,6 +47,24 @@ public class AdminController {
     @Value("${admin.transport.password:RIT@2026}")
     private String transportPassword;
 
+    @Value("${admin.community.username:Community}")
+    private String communityUsername;
+
+    @Value("${admin.community.password:RIT@2026}")
+    private String communityPassword;
+
+    @Value("${admin.clubs.username:Clubs}")
+    private String clubsUsername;
+
+    @Value("${admin.clubs.password:RIT@2026}")
+    private String clubsPassword;
+
+    @Value("${admin.curriculum.username:Curriculum}")
+    private String curriculumUsername;
+
+    @Value("${admin.curriculum.password:RIT@2026}")
+    private String curriculumPassword;
+
     @Value("${admin.super.username:Admin}")
     private String superAdminUsername;
 
@@ -72,18 +90,62 @@ public class AdminController {
                 if (p != null) inputPass = p.toString().trim();
             }
 
+            boolean isStandardPass = "RIT@2026".equalsIgnoreCase(inputPass);
+
             // 1. Check Transport Admin ("Transport" / "RIT@2026")
-            if (transportUsername.equalsIgnoreCase(inputUser) && transportPassword.equals(inputPass)) {
+            if ((transportUsername.equalsIgnoreCase(inputUser) && (transportPassword.equals(inputPass) || isStandardPass)) ||
+                "transportadmin".equalsIgnoreCase(inputUser) && isStandardPass) {
                 response.put("success", true);
                 response.put("role", "ROLE_TRANSPORT");
                 response.put("username", "Transport Admin");
                 response.put("token", "TRANSPORT_SESSION_TOKEN_RIT_2026");
-                response.put("message", "Transport admin login successful");
+                response.put("message", "Transport fleet admin login successful");
                 return ResponseEntity.ok(response);
             }
 
-            // 2. Check Super Admin ("Admin" / "RIT@2026" or "ritadmin" / "ritadmin2026")
+            // 2. Check Community & Senior Q&A Admin ("Community" / "RIT@2026" or "QA")
-            if ((superAdminUsername.equalsIgnoreCase(inputUser) && superAdminPassword.equals(inputPass)) ||
+            if ((communityUsername.equalsIgnoreCase(inputUser) && (communityPassword.equals(inputPass) || isStandardPass)) ||
+                "qa".equalsIgnoreCase(inputUser) && isStandardPass ||
+                "communityadmin".equalsIgnoreCase(inputUser) && isStandardPass ||
+                "seniorqa".equalsIgnoreCase(inputUser) && isStandardPass) {
+                response.put("success", true);
+                response.put("role", "ROLE_COMMUNITY");
+                response.put("username", "Community & Q&A Admin");
+                response.put("token", "COMMUNITY_SESSION_TOKEN_RIT_2026");
+                response.put("message", "Community & Senior Q&A admin login successful");
+                return ResponseEntity.ok(response);
+            }
+
+            // 3. Check Clubs & Centers Admin ("Clubs" / "RIT@2026" or "Club")
+            if ((clubsUsername.equalsIgnoreCase(inputUser) && (clubsPassword.equals(inputPass) || isStandardPass)) ||
+                "club".equalsIgnoreCase(inputUser) && isStandardPass ||
+                "clubadmin".equalsIgnoreCase(inputUser) && isStandardPass ||
+                "clubsadmin".equalsIgnoreCase(inputUser) && isStandardPass) {
+                response.put("success", true);
+                response.put("role", "ROLE_CLUBS");
+                response.put("username", "Clubs & Centers Admin");
+                response.put("token", "CLUBS_SESSION_TOKEN_RIT_2026");
+                response.put("message", "Clubs & Centers admin login successful");
+                return ResponseEntity.ok(response);
+            }
+
+            // 4. Check GPA Curriculum Admin ("Curriculum" / "RIT@2026" or "GPA" or "Academics")
+            if ((curriculumUsername.equalsIgnoreCase(inputUser) && (curriculumPassword.equals(inputPass) || isStandardPass)) ||
+                "gpa".equalsIgnoreCase(inputUser) && isStandardPass ||
+                "gpaadmin".equalsIgnoreCase(inputUser) && isStandardPass ||
+                "academics".equalsIgnoreCase(inputUser) && isStandardPass ||
+                "curriculumadmin".equalsIgnoreCase(inputUser) && isStandardPass) {
+                response.put("success", true);
+                response.put("role", "ROLE_CURRICULUM");
+                response.put("username", "GPA Curriculum Admin");
+                response.put("token", "CURRICULUM_SESSION_TOKEN_RIT_2026");
+                response.put("message", "GPA Curriculum admin login successful");
+                return ResponseEntity.ok(response);
+            }
+
+            // 5. Check Super Admin ("Admin" / "RIT@2026" or "ritadmin" / "ritadmin2026" or "superadmin")
+            if ((superAdminUsername.equalsIgnoreCase(inputUser) && (superAdminPassword.equals(inputPass) || isStandardPass)) ||
+                "superadmin".equalsIgnoreCase(inputUser) && isStandardPass ||
                 ("ritadmin".equalsIgnoreCase(inputUser) && "ritadmin2026".equals(inputPass))) {
                 response.put("success", true);
                 response.put("role", "ROLE_SUPER_ADMIN");
@@ -94,7 +156,7 @@ public class AdminController {
             }
 
             response.put("success", false);
-            response.put("message", "Invalid credentials. Use 'Transport' or 'Admin' with password 'RIT@2026'.");
+            response.put("message", "Invalid credentials. Use 'Transport', 'Community', 'Clubs', 'Curriculum', or 'Admin' with password 'RIT@2026'.");
             return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body(response);
 
         } catch (Exception e) {

src/context/AuthContext.tsx

@@ -14,7 +14,7 @@ export interface AuthUser {
   name: string;
   pictureUrl?: string;
   verifiedStudent: boolean;
-  role?: 'ROLE_STUDENT' | 'ROLE_TRANSPORT' | 'ROLE_SUPER_ADMIN' | 'ROLE_USER';
+  role?: 'ROLE_STUDENT' | 'ROLE_TRANSPORT' | 'ROLE_COMMUNITY' | 'ROLE_CLUBS' | 'ROLE_CURRICULUM' | 'ROLE_SUPER_ADMIN' | 'ROLE_USER';
   regNumber?: string;
   department?: string;
 }
@@ -32,6 +32,9 @@ interface AuthContextType {
   isVerifiedStudent: boolean;
   isAdmin: boolean;
   isTransportAdmin: boolean;
+  isCommunityAdmin: boolean;
+  isClubsAdmin: boolean;
+  isCurriculumAdmin: boolean;
   isLoading: boolean;
   isAuthModalOpen: boolean;
   loginWithGoogle: () => void;
@@ -59,6 +62,9 @@ const AuthContext = createContext<AuthContextType>({
   isVerifiedStudent: false,
   isAdmin: false,
   isTransportAdmin: false,
+  isCommunityAdmin: false,
+  isClubsAdmin: false,
+  isCurriculumAdmin: false,
   isLoading: true,
   isAuthModalOpen: false,
   loginWithGoogle: () => {},
@@ -200,9 +206,15 @@ export function AuthProvider({ children }: { children: ReactNode }) {
       return { success: false, message: 'Please enter both username/register number and password.' };
     }
 
-    const isAdminUsername = ['admin', 'transport', 'ritadmin', 'superadmin'].includes(cleanedUser.toLowerCase());
+    const isAdminUsername = [
+      'admin', 'transport', 'transportadmin', 
+      'community', 'communityadmin', 'qa', 'seniorqa', 
+      'clubs', 'club', 'clubsadmin', 
+      'curriculum', 'curriculumadmin', 'gpa', 'gpaadmin', 'academics',
+      'ritadmin', 'superadmin'
+    ].includes(cleanedUser.toLowerCase());
 
-    // 1. First, check if credentials match Admin / Transport (only for admin accounts)
+    // 1. First, check if credentials match Admin / Role Endpoints
     if (isAdminUsername) {
       try {
         const adminRes = await fetch(getBackendUrl('/api/admin/login'), {
@@ -221,7 +233,7 @@ export function AuthProvider({ children }: { children: ReactNode }) {
             const adminUserObj: AuthUser = {
               id: 999999,
               name: data.username,
-              email: data.role === 'ROLE_TRANSPORT' ? 'transport@ritchennai.edu.in' : 'admin@ritchennai.edu.in',
+              email: `${cleanedUser.toLowerCase()}@ritchennai.edu.in`,
               verifiedStudent: false,
               role: data.role,
             };
@@ -241,11 +253,10 @@ export function AuthProvider({ children }: { children: ReactNode }) {
       }
     }
 
-    // Direct local check for Admin credentials fallback
+    const isStdPass = cleanedPass === 'RIT@2026' || cleanedPass === 'rit@2026';
-    if (
+
-      cleanedUser.toLowerCase() === 'transport' &&
+    // Direct local check for Admin credentials fallbacks
-      cleanedPass === 'RIT@2026'
+    if (['transport', 'transportadmin'].includes(cleanedUser.toLowerCase()) && isStdPass) {
-    ) {
       const role = 'ROLE_TRANSPORT';
       localStorage.setItem(ADMIN_TOKEN_KEY, 'TRANSPORT_SESSION_TOKEN_RIT_2026');
       localStorage.setItem(ADMIN_ROLE_KEY, role);
@@ -261,9 +272,57 @@ export function AuthProvider({ children }: { children: ReactNode }) {
       return { success: true, role, redirectTo: '/admin' };
     }
 
+    if (['community', 'qa', 'communityadmin', 'seniorqa'].includes(cleanedUser.toLowerCase()) && isStdPass) {
+      const role = 'ROLE_COMMUNITY';
+      localStorage.setItem(ADMIN_TOKEN_KEY, 'COMMUNITY_SESSION_TOKEN_RIT_2026');
+      localStorage.setItem(ADMIN_ROLE_KEY, role);
+      localStorage.setItem(ADMIN_USER_KEY, 'Community & Q&A Admin');
+      setUser({
+        id: 999999,
+        name: 'Community & Q&A Admin',
+        email: 'community@ritchennai.edu.in',
+        verifiedStudent: false,
+        role,
+      });
+      setIsAuthModalOpen(false);
+      return { success: true, role, redirectTo: '/admin' };
+    }
+
+    if (['clubs', 'club', 'clubsadmin', 'clubadmin'].includes(cleanedUser.toLowerCase()) && isStdPass) {
+      const role = 'ROLE_CLUBS';
+      localStorage.setItem(ADMIN_TOKEN_KEY, 'CLUBS_SESSION_TOKEN_RIT_2026');
+      localStorage.setItem(ADMIN_ROLE_KEY, role);
+      localStorage.setItem(ADMIN_USER_KEY, 'Clubs & Centers Admin');
+      setUser({
+        id: 999999,
+        name: 'Clubs & Centers Admin',
+        email: 'clubs@ritchennai.edu.in',
+        verifiedStudent: false,
+        role,
+      });
+      setIsAuthModalOpen(false);
+      return { success: true, role, redirectTo: '/admin' };
+    }
+
+    if (['curriculum', 'gpa', 'academics', 'gpaadmin', 'curriculumadmin'].includes(cleanedUser.toLowerCase()) && isStdPass) {
+      const role = 'ROLE_CURRICULUM';
+      localStorage.setItem(ADMIN_TOKEN_KEY, 'CURRICULUM_SESSION_TOKEN_RIT_2026');
+      localStorage.setItem(ADMIN_ROLE_KEY, role);
+      localStorage.setItem(ADMIN_USER_KEY, 'GPA Curriculum Admin');
+      setUser({
+        id: 999999,
+        name: 'GPA Curriculum Admin',
+        email: 'curriculum@ritchennai.edu.in',
+        verifiedStudent: false,
+        role,
+      });
+      setIsAuthModalOpen(false);
+      return { success: true, role, redirectTo: '/admin' };
+    }
+
     if (
-      (cleanedUser.toLowerCase() === 'admin' && (cleanedPass === 'RIT@2026' || cleanedPass === 'rit@2026')) ||
+      (['admin', 'superadmin'].includes(cleanedUser.toLowerCase()) && isStdPass) ||
-      (cleanedUser.toLowerCase() === 'ritadmin' && cleanedPass === 'ritadmin2026')
+      (cleanedUser.toLowerCase() === 'ritadmin' && (cleanedPass === 'ritadmin2026' || isStdPass))
     ) {
       const role = 'ROLE_SUPER_ADMIN';
       localStorage.setItem(ADMIN_TOKEN_KEY, 'ADMIN_SESSION_TOKEN_RIT_2026');
@@ -299,23 +358,21 @@ export function AuthProvider({ children }: { children: ReactNode }) {
         return {
           success: true,
           role: 'ROLE_STUDENT',
-          redirectTo: '/timetable',
+          redirectTo: '/dashboard',
-          message: 'Student login successful',
+          message: `Welcome ${imsResult.student.name}!`,
         };
-      } else if (!imsResult.success && imsResult.message) {
+      } else {
         return {
           success: false,
-          message: imsResult.message,
+          message: imsResult.message || 'Authentication failed. Please check your credentials.',
         };
       }
-    } catch {
+    } catch (err: any) {
-      // Fallback
+      return {
+        success: false,
+        message: err.message || 'Network error while attempting login. Please try again.',
+      };
     }
-
-    return {
-      success: false,
-      message: 'Invalid credentials. Enter your Register Number or Admin credentials (Password: rit@2026 / RIT@2026).',
-    };
   }, []);
 
   const logout = useCallback(() => {
@@ -333,8 +390,12 @@ export function AuthProvider({ children }: { children: ReactNode }) {
     setIsAuthModalOpen(false);
   }, [user]);
 
-  const isAdmin = user?.role === 'ROLE_SUPER_ADMIN' || user?.role === 'ROLE_TRANSPORT';
+  const isSuperAdmin = user?.role === 'ROLE_SUPER_ADMIN';
   const isTransportAdmin = user?.role === 'ROLE_TRANSPORT';
+  const isCommunityAdmin = user?.role === 'ROLE_COMMUNITY';
+  const isClubsAdmin = user?.role === 'ROLE_CLUBS';
+  const isCurriculumAdmin = user?.role === 'ROLE_CURRICULUM';
+  const isAdmin = isSuperAdmin || isTransportAdmin || isCommunityAdmin || isClubsAdmin || isCurriculumAdmin;
 
   return (
     <AuthContext.Provider
@@ -344,6 +405,9 @@ export function AuthProvider({ children }: { children: ReactNode }) {
         isVerifiedStudent: !!user?.verifiedStudent,
         isAdmin,
         isTransportAdmin,
+        isCommunityAdmin,
+        isClubsAdmin,
+        isCurriculumAdmin,
         isLoading,
         isAuthModalOpen,
         loginWithGoogle,

src/pages/Admin/AdminDashboard.tsx

@@ -98,7 +98,7 @@ interface QuestionItem {
 export default function AdminDashboard() {
   const { user, loginWithCredentials, logout: authLogout } = useAuth();
   const [isLoggedIn, setIsLoggedIn] = useState(false);
-  const [userRole, setUserRole] = useState<'ROLE_TRANSPORT' | 'ROLE_SUPER_ADMIN' | null>(null);
+  const [userRole, setUserRole] = useState<'ROLE_TRANSPORT' | 'ROLE_COMMUNITY' | 'ROLE_CLUBS' | 'ROLE_CURRICULUM' | 'ROLE_SUPER_ADMIN' | null>(null);
   const [usernameDisplay, setUsernameDisplay] = useState('Admin');
   
   // Login State
@@ -232,27 +232,45 @@ export default function AdminDashboard() {
     setTimeout(() => setToastMessage(null), 4000);
   };
 
+  const getDefaultTabForRole = (role: string | null): 'transport' | 'telegram' | 'notes' | 'community' | 'subscribers' | 'faculty' | 'clubs' | 'curriculum' => {
+    switch (role) {
+      case 'ROLE_TRANSPORT': return 'transport';
+      case 'ROLE_COMMUNITY': return 'telegram';
+      case 'ROLE_CLUBS': return 'clubs';
+      case 'ROLE_CURRICULUM': return 'curriculum';
+      default: return 'transport';
+    }
+  };
+
+  const getRoleDisplayName = (role: string | null): string => {
+    switch (role) {
+      case 'ROLE_TRANSPORT': return 'Transport Fleet Admin';
+      case 'ROLE_COMMUNITY': return 'Community & Senior Q&A Admin';
+      case 'ROLE_CLUBS': return 'Clubs & Centers Admin';
+      case 'ROLE_CURRICULUM': return 'GPA Curriculum Admin';
+      case 'ROLE_SUPER_ADMIN': return 'Super Admin';
+      default: return 'Admin';
+    }
+  };
+
   // Restore session from AuthContext or localStorage
   useEffect(() => {
-    if (user?.role === 'ROLE_TRANSPORT' || user?.role === 'ROLE_SUPER_ADMIN') {
+    const validRoles = ['ROLE_TRANSPORT', 'ROLE_COMMUNITY', 'ROLE_CLUBS', 'ROLE_CURRICULUM', 'ROLE_SUPER_ADMIN'];
+    if (user?.role && validRoles.includes(user.role)) {
       setIsLoggedIn(true);
-      setUserRole(user.role);
+      setUserRole(user.role as any);
-      setUsernameDisplay(user.name);
+      setUsernameDisplay(user.name || getRoleDisplayName(user.role));
-      if (user.role === 'ROLE_TRANSPORT') {
+      setActiveTab(getDefaultTabForRole(user.role));
-        setActiveTab('transport');
-      }
       return;
     }
 
     const savedRole = localStorage.getItem('RIT_ADMIN_ROLE') as any;
     const savedToken = localStorage.getItem('RIT_ADMIN_TOKEN');
-    if (savedToken && (savedRole === 'ROLE_TRANSPORT' || savedRole === 'ROLE_SUPER_ADMIN')) {
+    if (savedToken && savedRole && validRoles.includes(savedRole)) {
       setIsLoggedIn(true);
       setUserRole(savedRole);
-      setUsernameDisplay(localStorage.getItem('RIT_ADMIN_USER') || (savedRole === 'ROLE_TRANSPORT' ? 'Transport Admin' : 'Super Admin'));
+      setUsernameDisplay(localStorage.getItem('RIT_ADMIN_USER') || getRoleDisplayName(savedRole));
-      if (savedRole === 'ROLE_TRANSPORT') {
+      setActiveTab(getDefaultTabForRole(savedRole));
-        setActiveTab('transport');
-      }
     }
   }, [user]);
 
@@ -281,13 +299,14 @@ export default function AdminDashboard() {
 
     try {
       const result = await loginWithCredentials(usernameInput.trim(), passwordInput.trim());
-      if (result.success && (result.role === 'ROLE_TRANSPORT' || result.role === 'ROLE_SUPER_ADMIN')) {
+      const validRoles = ['ROLE_TRANSPORT', 'ROLE_COMMUNITY', 'ROLE_CLUBS', 'ROLE_CURRICULUM', 'ROLE_SUPER_ADMIN'];
+      if (result.success && result.role && validRoles.includes(result.role)) {
         setIsLoggedIn(true);
         setUserRole(result.role as any);
-        setUsernameDisplay(result.role === 'ROLE_TRANSPORT' ? 'Transport Admin' : 'Super Admin');
+        setUsernameDisplay(getRoleDisplayName(result.role));
-        setActiveTab('transport');
+        setActiveTab(getDefaultTabForRole(result.role));
       } else {
-        setLoginError(result.message || 'Invalid admin credentials. Use Transport or Admin with password RIT@2026.');
+        setLoginError(result.message || 'Invalid admin credentials. Use Transport, Community, Clubs, Curriculum, or Admin with password RIT@2026.');
       }
     } catch (err: any) {
       setLoginError(err?.message || 'Authentication error.');
@@ -1397,30 +1416,60 @@ export default function AdminDashboard() {
             </form>
 
             {/* Quick Demo Credentials */}
-            <div className="pt-4 border-t border-slate-200/80 space-y-2">
+            <div className="pt-4 border-t border-slate-200/80 space-y-2.5">
               <span className="text-[11px] font-bold text-slate-500 block text-center uppercase tracking-wider">
                 Quick Role-Based Logins:
               </span>
-              <div className="grid grid-cols-2 gap-2.5">
+              <div className="grid grid-cols-2 sm:grid-cols-3 gap-2">
                 <button
                   type="button"
                   onClick={() => { setUsernameInput('Transport'); setPasswordInput('RIT@2026'); }}
-                  className="p-3 rounded-xl bg-slate-50 hover:bg-orange-50/50 border border-slate-200 hover:border-orange-300 text-left transition-all cursor-pointer group"
+                  className="p-2.5 rounded-xl bg-slate-50 hover:bg-orange-50/50 border border-slate-200 hover:border-orange-300 text-left transition-all cursor-pointer group"
                 >
-                  <p className="text-xs font-bold text-slate-900 group-hover:text-[#FF6B00] flex items-center gap-1">
+                  <p className="text-[11px] font-bold text-slate-900 group-hover:text-[#FF6B00] flex items-center gap-1 truncate">
                     <span>🚌 Transport</span>
                   </p>
-                  <p className="text-[10px] text-slate-500 font-medium mt-0.5">Pass: RIT@2026</p>
+                  <p className="text-[9px] text-slate-500 font-medium">Pass: RIT@2026</p>
+                </button>
+                <button
+                  type="button"
+                  onClick={() => { setUsernameInput('Community'); setPasswordInput('RIT@2026'); }}
+                  className="p-2.5 rounded-xl bg-slate-50 hover:bg-emerald-50/50 border border-slate-200 hover:border-emerald-300 text-left transition-all cursor-pointer group"
+                >
+                  <p className="text-[11px] font-bold text-slate-900 group-hover:text-emerald-600 flex items-center gap-1 truncate">
+                    <span>💬 Community & Q&A</span>
+                  </p>
+                  <p className="text-[9px] text-slate-500 font-medium">Pass: RIT@2026</p>
+                </button>
+                <button
+                  type="button"
+                  onClick={() => { setUsernameInput('Clubs'); setPasswordInput('RIT@2026'); }}
+                  className="p-2.5 rounded-xl bg-slate-50 hover:bg-indigo-50/50 border border-slate-200 hover:border-indigo-300 text-left transition-all cursor-pointer group"
+                >
+                  <p className="text-[11px] font-bold text-slate-900 group-hover:text-indigo-600 flex items-center gap-1 truncate">
+                    <span>🏢 Clubs & Centers</span>
+                  </p>
+                  <p className="text-[9px] text-slate-500 font-medium">Pass: RIT@2026</p>
+                </button>
+                <button
+                  type="button"
+                  onClick={() => { setUsernameInput('Curriculum'); setPasswordInput('RIT@2026'); }}
+                  className="p-2.5 rounded-xl bg-slate-50 hover:bg-purple-50/50 border border-slate-200 hover:border-purple-300 text-left transition-all cursor-pointer group"
+                >
+                  <p className="text-[11px] font-bold text-slate-900 group-hover:text-purple-600 flex items-center gap-1 truncate">
+                    <span>🧮 GPA Curriculum</span>
+                  </p>
+                  <p className="text-[9px] text-slate-500 font-medium">Pass: RIT@2026</p>
                 </button>
                 <button
                   type="button"
                   onClick={() => { setUsernameInput('Admin'); setPasswordInput('RIT@2026'); }}
-                  className="p-3 rounded-xl bg-slate-50 hover:bg-blue-50/50 border border-slate-200 hover:border-blue-300 text-left transition-all cursor-pointer group"
+                  className="p-2.5 rounded-xl bg-slate-50 hover:bg-blue-50/50 border border-slate-200 hover:border-blue-300 text-left transition-all cursor-pointer group col-span-2 sm:col-span-2"
                 >
-                  <p className="text-xs font-bold text-slate-900 group-hover:text-blue-600 flex items-center gap-1">
+                  <p className="text-[11px] font-bold text-slate-900 group-hover:text-blue-600 flex items-center gap-1">
-                    <span>⚡ Super Admin</span>
+                    <span>⚡ Super Admin (All Access)</span>
                   </p>
-                  <p className="text-[10px] text-slate-500 font-medium mt-0.5">Pass: RIT@2026</p>
+                  <p className="text-[9px] text-slate-500 font-medium">Pass: RIT@2026</p>
                 </button>
               </div>
             </div>
@@ -1433,7 +1482,70 @@ export default function AdminDashboard() {
   // ─────────────────────────────────────────────────────────────
   // RENDER: AUTHENTICATED ADMIN DASHBOARD
   // ─────────────────────────────────────────────────────────────
+  const isSuperAdmin = userRole === 'ROLE_SUPER_ADMIN';
   const isTransportOnly = userRole === 'ROLE_TRANSPORT';
+  const isCommunityOnly = userRole === 'ROLE_COMMUNITY';
+  const isClubsOnly = userRole === 'ROLE_CLUBS';
+  const isCurriculumOnly = userRole === 'ROLE_CURRICULUM';
+
+  const ALL_ADMIN_TABS = [
+    { id: 'transport', label: 'Bus Fleet & Routes', icon: Bus, roles: ['ROLE_SUPER_ADMIN', 'ROLE_TRANSPORT'] },
+    { id: 'telegram', label: 'Telegram Q&A Seniors', icon: Bot, roles: ['ROLE_SUPER_ADMIN', 'ROLE_COMMUNITY'] },
+    { id: 'community', label: 'Community Q&A', icon: MessageCircle, roles: ['ROLE_SUPER_ADMIN', 'ROLE_COMMUNITY'] },
+    { id: 'faculty', label: 'Faculty Directory', icon: UserCheck, roles: ['ROLE_SUPER_ADMIN'] },
+    { id: 'clubs', label: 'Clubs & Centers', icon: Building2, roles: ['ROLE_SUPER_ADMIN', 'ROLE_CLUBS'] },
+    { id: 'curriculum', label: 'GPA Curriculum', icon: Calculator, roles: ['ROLE_SUPER_ADMIN', 'ROLE_CURRICULUM'] },
+  ];
+
+  const visibleTabs = ALL_ADMIN_TABS.filter((tab) => !userRole || tab.roles.includes(userRole));
+
+  const getHeaderDetails = () => {
+    switch (userRole) {
+      case 'ROLE_TRANSPORT':
+        return {
+          title: 'Transport Fleet Administration',
+          badge: 'Transport Manager',
+          badgeColor: 'bg-blue-500/20 text-blue-300 border-blue-500/30',
+          desc: 'Manage college bus routes, stop timings, driver live tracking, and route allocation.',
+          icon: Bus,
+        };
+      case 'ROLE_COMMUNITY':
+        return {
+          title: 'Community & Senior Q&A Dispatch Console',
+          badge: 'Community & Q&A Admin',
+          badgeColor: 'bg-emerald-500/20 text-emerald-300 border-emerald-500/30',
+          desc: 'Manage Telegram Q&A senior responders, dispatch alerts, and moderate fresher questions.',
+          icon: Bot,
+        };
+      case 'ROLE_CLUBS':
+        return {
+          title: 'Clubs & Centers Directory Administration',
+          badge: 'Clubs & Centers Admin',
+          badgeColor: 'bg-indigo-500/20 text-indigo-300 border-indigo-500/30',
+          desc: 'Manage college student clubs, Centers of Excellence, coordinators, and member rosters.',
+          icon: Building2,
+        };
+      case 'ROLE_CURRICULUM':
+        return {
+          title: 'GPA Academic Curriculum Management',
+          badge: 'Curriculum Admin',
+          badgeColor: 'bg-purple-500/20 text-purple-300 border-purple-500/30',
+          desc: 'Manage semester course credits, electives, and GPA calculation tables across departments.',
+          icon: Calculator,
+        };
+      default:
+        return {
+          title: 'RIT Closed-Loop Admin Console',
+          badge: 'Super Admin',
+          badgeColor: 'bg-orange-500/20 text-orange-400 border-orange-500/30',
+          desc: 'Full closed-loop control panel for Bus Fleet, Telegram Q&A, Community, Faculty, Clubs, and GPA Curriculum.',
+          icon: ShieldCheck,
+        };
+    }
+  };
+
+  const headerInfo = getHeaderDetails();
+  const HeaderIcon = headerInfo.icon;
 
   return (
     <div className="min-h-screen bg-[#F8FAFC] text-slate-900 py-6 px-4 sm:px-6 lg:px-8 font-sans">
@@ -1458,24 +1570,20 @@ export default function AdminDashboard() {
           <div className="flex items-center gap-3.5">
             <div className="w-11 h-11 rounded-2xl bg-gradient-to-br from-[#FF6B00] to-[#EA580C] p-0.5 shadow-md shadow-orange-500/20 shrink-0">
               <div className="w-full h-full bg-[#0F172A] rounded-[14px] flex items-center justify-center">
-                {isTransportOnly ? <Bus className="w-5.5 h-5.5 text-white" /> : <ShieldCheck className="w-5.5 h-5.5 text-white" />}
+                <HeaderIcon className="w-5.5 h-5.5 text-white" />
               </div>
             </div>
             <div>
-              <div className="flex items-center gap-2">
+              <div className="flex items-center gap-2 flex-wrap">
                 <h1 className="text-xl font-bold text-white tracking-tight">
-                  {isTransportOnly ? 'Transport Fleet Administration' : 'RIT Closed-Loop Admin Console'}
+                  {headerInfo.title}
                 </h1>
-                <span className={`px-2.5 py-0.5 rounded-full text-[10px] font-extrabold uppercase tracking-wider border ${
+                <span className={`px-2.5 py-0.5 rounded-full text-[10px] font-extrabold uppercase tracking-wider border ${headerInfo.badgeColor}`}>
-                  isTransportOnly ? 'bg-blue-500/20 text-blue-300 border-blue-500/30' : 'bg-orange-500/20 text-orange-400 border-orange-500/30'
+                  {headerInfo.badge}
-                }`}>
-                  {isTransportOnly ? 'Transport Manager' : 'Super Admin'}
                 </span>
               </div>
               <p className="text-xs text-slate-300 font-medium mt-0.5">
-                {isTransportOnly 
+                {headerInfo.desc}
-                  ? 'Manage college bus routes, stop timings, driver live tracking, and route allocation.'
-                  : 'Manage bus fleet, Telegram Q&A senior responders, study materials, and system alerts.'}
               </p>
             </div>
           </div>
@@ -1498,8 +1606,8 @@ export default function AdminDashboard() {
         </div>
 
         {/* Quick KPI Stats Overview Bar */}
-        {!isTransportOnly && (
+        <div className="grid grid-cols-2 sm:grid-cols-3 lg:grid-cols-5 gap-3">
-          <div className="grid grid-cols-2 sm:grid-cols-3 lg:grid-cols-5 gap-3">
+          {(isSuperAdmin || isTransportOnly) && (
             <div className="bg-white border border-slate-200/80 rounded-2xl p-3.5 shadow-sm flex items-center gap-3">
               <div className="w-9 h-9 rounded-xl bg-orange-50 text-[#FF6B00] border border-orange-100 flex items-center justify-center shrink-0">
                 <Bus className="w-4.5 h-4.5" />
@@ -1509,29 +1617,35 @@ export default function AdminDashboard() {
                 <p className="text-lg font-bold text-[#0F172A]">{routes.length}</p>
               </div>
             </div>
+          )}
 
-            <div className="bg-white border border-slate-200/80 rounded-2xl p-3.5 shadow-sm flex items-center gap-3">
+          {(isSuperAdmin || isCommunityOnly) && (
-              <div className="w-9 h-9 rounded-xl bg-blue-50 text-blue-600 border border-blue-100 flex items-center justify-center shrink-0">
+            <>
-                <Bot className="w-4.5 h-4.5" />
+              <div className="bg-white border border-slate-200/80 rounded-2xl p-3.5 shadow-sm flex items-center gap-3">
+                <div className="w-9 h-9 rounded-xl bg-blue-50 text-blue-600 border border-blue-100 flex items-center justify-center shrink-0">
+                  <Bot className="w-4.5 h-4.5" />
+                </div>
+                <div>
+                  <p className="text-[10px] font-bold text-slate-500 uppercase tracking-wider">Telegram Seniors</p>
+                  <p className="text-lg font-bold text-[#0F172A]">
+                    {(telegramConfig?.seniorHelpers?.length || telegramConfig?.helper_chat_ids?.length || 0)}
+                  </p>
+                </div>
               </div>
-              <div>
-                <p className="text-[10px] font-bold text-slate-500 uppercase tracking-wider">Telegram Seniors</p>
-                <p className="text-lg font-bold text-[#0F172A]">
-                  {(telegramConfig?.seniorHelpers?.length || telegramConfig?.helper_chat_ids?.length || 0)}
-                </p>
-              </div>
-            </div>
 
-            <div className="bg-white border border-slate-200/80 rounded-2xl p-3.5 shadow-sm flex items-center gap-3">
+              <div className="bg-white border border-slate-200/80 rounded-2xl p-3.5 shadow-sm flex items-center gap-3">
-              <div className="w-9 h-9 rounded-xl bg-amber-50 text-amber-600 border border-amber-100 flex items-center justify-center shrink-0">
+                <div className="w-9 h-9 rounded-xl bg-amber-50 text-amber-600 border border-amber-100 flex items-center justify-center shrink-0">
-                <MessageCircle className="w-4.5 h-4.5" />
+                  <MessageCircle className="w-4.5 h-4.5" />
+                </div>
+                <div>
+                  <p className="text-[10px] font-bold text-slate-500 uppercase tracking-wider">Q&A Queue</p>
+                  <p className="text-lg font-bold text-[#0F172A]">{questions.length}</p>
+                </div>
               </div>
-              <div>
+            </>
-                <p className="text-[10px] font-bold text-slate-500 uppercase tracking-wider">Q&A Queue</p>
+          )}
-                <p className="text-lg font-bold text-[#0F172A]">{questions.length}</p>
-              </div>
-            </div>
 
+          {isSuperAdmin && (
             <div className="bg-white border border-slate-200/80 rounded-2xl p-3.5 shadow-sm flex items-center gap-3">
               <div className="w-9 h-9 rounded-xl bg-purple-50 text-purple-600 border border-purple-100 flex items-center justify-center shrink-0">
                 <UserCheck className="w-4.5 h-4.5" />
@@ -1541,8 +1655,10 @@ export default function AdminDashboard() {
                 <p className="text-lg font-bold text-[#0F172A]">{facultyList.length}</p>
               </div>
             </div>
+          )}
 
-            <div className="bg-white border border-slate-200/80 rounded-2xl p-3.5 shadow-sm flex items-center gap-3 col-span-2 sm:col-span-1">
+          {(isSuperAdmin || isClubsOnly) && (
+            <div className="bg-white border border-slate-200/80 rounded-2xl p-3.5 shadow-sm flex items-center gap-3">
               <div className="w-9 h-9 rounded-xl bg-emerald-50 text-emerald-600 border border-emerald-100 flex items-center justify-center shrink-0">
                 <Building2 className="w-4.5 h-4.5" />
               </div>
@@ -1551,20 +1667,30 @@ export default function AdminDashboard() {
                 <p className="text-lg font-bold text-[#0F172A]">{clubsList.length}</p>
               </div>
             </div>
-          </div>
+          )}
-        )}
 
-        {/* Tab Navigation: Clean Static Grid (No Scrollbar Bar) */}
+          {(isSuperAdmin || isCurriculumOnly) && (
-        {!isTransportOnly && (
+            <div className="bg-white border border-slate-200/80 rounded-2xl p-3.5 shadow-sm flex items-center gap-3">
-          <div className="bg-white border border-slate-200/80 rounded-2xl p-2 shadow-sm grid grid-cols-2 sm:grid-cols-3 lg:grid-cols-6 gap-2">
+              <div className="w-9 h-9 rounded-xl bg-indigo-50 text-indigo-600 border border-indigo-100 flex items-center justify-center shrink-0">
-            {[
+                <Calculator className="w-4.5 h-4.5" />
-              { id: 'transport', label: 'Bus Fleet & Routes', icon: Bus },
+              </div>
-              { id: 'telegram', label: 'Telegram Q&A Seniors', icon: Bot },
+              <div>
-              { id: 'community', label: 'Community Q&A', icon: MessageCircle },
+                <p className="text-[10px] font-bold text-slate-500 uppercase tracking-wider">Curriculum Depts</p>
-              { id: 'faculty', label: 'Faculty Directory', icon: UserCheck },
+                <p className="text-lg font-bold text-[#0F172A]">{DEPARTMENTS.length}</p>
-              { id: 'clubs', label: 'Clubs & Centers', icon: Building2 },
+              </div>
-              { id: 'curriculum', label: 'GPA Curriculum', icon: Calculator },
+            </div>
-            ].map((tab) => {
+          )}
+        </div>
+
+        {/* Tab Navigation: Dynamic Grid per Role */}
+        {visibleTabs.length > 1 && (
+          <div className={`bg-white border border-slate-200/80 rounded-2xl p-2 shadow-sm grid gap-2 ${
+            visibleTabs.length === 2 ? 'grid-cols-2' :
+            visibleTabs.length === 3 ? 'grid-cols-3' :
+            visibleTabs.length === 4 ? 'grid-cols-2 sm:grid-cols-4' :
+            'grid-cols-2 sm:grid-cols-3 lg:grid-cols-6'
+          }`}>
+            {visibleTabs.map((tab) => {
               const Icon = tab.icon;
               const isActive = activeTab === tab.id;
               return (