role based auth

implemented superadmin -> admin -> traniner

apps/admin/src/app/api/admin/analytics/route.ts

@@ -0,0 +1,167 @@
+import { NextRequest, NextResponse } from "next/server";
+import { auth } from "@clerk/nextjs/server";
+import { getDatabase } from "@/lib/database";
+import { ensureUserSynced } from "@/lib/sync-user";
+import { successResponse } from "@/lib/api/responses";
+import { db as rawDb, sql } from "@fitai/database";
+import { getUsersByGym, getClientsByGym } from "@/lib/gym-context";
+
+interface UserGrowthPoint {
+  label: string;
+  value: number;
+}
+
+interface MembershipDistributionPoint {
+  label: string;
+  value: number;
+  color: string;
+}
+
+interface RevenuePoint {
+  label: string;
+  value: number;
+  color: string;
+}
+
+interface AnalyticsData {
+  userGrowth: UserGrowthPoint[];
+  membershipDistribution: MembershipDistributionPoint[];
+  revenue: RevenuePoint[];
+}
+
+export async function GET(req: NextRequest) {
+  try {
+    const { userId } = await auth();
+    if (!userId) {
+      return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+    }
+
+    const database = await getDatabase();
+    const user = await ensureUserSynced(userId, database);
+
+    if (!user || (user.role !== "admin" && user.role !== "superAdmin")) {
+      return NextResponse.json({ error: "Forbidden" }, { status: 403 });
+    }
+
+    const url = new URL(req.url);
+    const months = parseInt(url.searchParams.get("months") || "6");
+
+    // Get target gym based on role
+    const targetGymId =
+      user.role === "superAdmin"
+        ? (url.searchParams.get("gymId") ?? undefined)
+        : (user.gymId ?? undefined);
+
+    // Validate gym access for non-superAdmins
+    if (user.role !== "superAdmin" && !targetGymId) {
+      return NextResponse.json(
+        { error: "Forbidden - No gym assigned" },
+        { status: 403 },
+      );
+    }
+
+    // Get gym-scoped data
+    const allUsers = targetGymId
+      ? await getUsersByGym(targetGymId)
+      : await database.getAllUsers();
+
+    const allClients = targetGymId
+      ? await getClientsByGym(targetGymId)
+      : await database.getAllClients();
+
+    // For payments, we'd need a similar filter - for now, skip payments if gym-scoped
+    // TODO: Add getPaymentsByGym when needed
+    const paymentsRaw = targetGymId
+      ? [] // Skip payments for gym-scoped for now
+      : await rawDb.all(
+          sql`SELECT * FROM payments WHERE status = 'completed' AND paid_at IS NOT NULL`,
+        );
+    const payments: any[] = paymentsRaw || [];
+
+    const now = new Date();
+    const userGrowth: UserGrowthPoint[] = [];
+
+    for (let i = months - 1; i >= 0; i--) {
+      const date = new Date(now.getFullYear(), now.getMonth() - i, 1);
+      const monthLabel = date.toLocaleDateString("en-US", { month: "short" });
+
+      const usersCreatedByMonth = allUsers.filter((u: any) => {
+        const createdAt = new Date(u.createdAt);
+        return (
+          createdAt.getFullYear() === date.getFullYear() &&
+          createdAt.getMonth() === date.getMonth()
+        );
+      });
+
+      userGrowth.push({
+        label: monthLabel,
+        value: usersCreatedByMonth.length,
+      });
+    }
+
+    let runningTotal = 0;
+    for (const point of userGrowth) {
+      runningTotal += point.value;
+      point.value = runningTotal;
+    }
+
+    const membershipCounts: Record<string, number> = {
+      basic: 0,
+      premium: 0,
+      vip: 0,
+    };
+
+    for (const client of allClients) {
+      const membershipType = (client as any).membershipType || "basic";
+      if (membershipCounts[membershipType] !== undefined) {
+        membershipCounts[membershipType]++;
+      }
+    }
+
+    const membershipDistribution: MembershipDistributionPoint[] = [
+      { label: "Basic", value: membershipCounts.basic, color: "#6b7280" },
+      { label: "Premium", value: membershipCounts.premium, color: "#3b82f6" },
+      { label: "VIP", value: membershipCounts.vip, color: "#f59e0b" },
+    ];
+
+    const revenue: RevenuePoint[] = [];
+
+    for (let i = months - 1; i >= 0; i--) {
+      const date = new Date(now.getFullYear(), now.getMonth() - i, 1);
+      const monthLabel = date.toLocaleDateString("en-US", { month: "short" });
+      const nextMonthDate = new Date(
+        now.getFullYear(),
+        now.getMonth() - i + 1,
+        1,
+      );
+
+      const monthlyRevenue = payments
+        .filter((p: any) => {
+          const paidAt = p.paid_at ? new Date(p.paid_at) : null;
+          if (!paidAt) return false;
+          return paidAt >= date && paidAt < nextMonthDate;
+        })
+        .reduce((sum: number, p: any) => sum + (p.amount || 0), 0);
+
+      revenue.push({
+        label: monthLabel,
+        value: monthlyRevenue,
+        color: "#10b981",
+      });
+    }
+
+    const analyticsData: AnalyticsData = {
+      userGrowth,
+      membershipDistribution,
+      revenue,
+    };
+
+    return successResponse({ analytics: analyticsData });
+  } catch (error) {
+    console.error("Analytics error:", error);
+    return NextResponse.json(
+      { error: "Internal server error" },
+      { status: 500 },
+    );
+  }
+}

apps/admin/src/app/api/admin/attendance/route.ts

@@ -1,27 +1,42 @@
-import { auth } from '@clerk/nextjs/server'
-import { NextResponse } from 'next/server'
-import { getDatabase } from '@/lib/database'
-import { ensureUserSynced } from '@/lib/sync-user'
+import { auth } from "@clerk/nextjs/server";
+import { NextRequest, NextResponse } from "next/server";
+import { getDatabase } from "@/lib/database";
+import { ensureUserSynced } from "@/lib/sync-user";
+import { successResponse } from "@/lib/api/responses";
+import { getAttendanceByGym } from "@/lib/gym-context";
 
-export async function GET(req: Request) {
-    try {
-        const { userId } = await auth()
-        if (!userId) return new NextResponse('Unauthorized', { status: 401 })
+export async function GET(req: NextRequest) {
+  try {
+    const { userId } = await auth();
+    if (!userId) return new NextResponse("Unauthorized", { status: 401 });
 
-        const db = await getDatabase()
+    const db = await getDatabase();
+    const user = await ensureUserSynced(userId, db);
 
-        // Ensure user is synced (handles seed script ID mismatch)
-        // We need to import ensureUserSynced
-        const user = await ensureUserSynced(userId, db)
-
-        if (!user || (user.role !== 'admin' && user.role !== 'superAdmin')) {
-            return new NextResponse('Forbidden', { status: 403 })
-        }
-
-        const attendance = await db.getAllAttendance()
-        return NextResponse.json(attendance)
-    } catch (error) {
-        console.error('Admin attendance error:', error)
-        return new NextResponse('Internal Server Error', { status: 500 })
+    if (!user || (user.role !== "admin" && user.role !== "superAdmin")) {
+      return new NextResponse("Forbidden", { status: 403 });
     }
+
+    // Get target gym based on role
+    const url = new URL(req.url);
+    const targetGymId =
+      user.role === "superAdmin"
+        ? (url.searchParams.get("gymId") ?? undefined)
+        : (user.gymId ?? undefined);
+
+    // Validate gym access for non-superAdmins
+    if (user.role !== "superAdmin" && !targetGymId) {
+      return new NextResponse("Forbidden - No gym assigned", { status: 403 });
+    }
+
+    // Get attendance filtered by gym
+    const attendance = targetGymId
+      ? await getAttendanceByGym(targetGymId)
+      : await db.getAllAttendance();
+
+    return successResponse({ records: attendance });
+  } catch (error) {
+    console.error("Admin attendance error:", error);
+    return new NextResponse("Internal Server Error", { status: 500 });
+  }
 }

apps/admin/src/app/api/admin/stats/route.ts

@@ -2,6 +2,7 @@ import { auth } from "@clerk/nextjs/server";
 import { NextResponse } from "next/server";
 import { getDatabase } from "@/lib/database";
 import { ensureUserSynced } from "@/lib/sync-user";
+import { successResponse } from "@/lib/api/responses";
 
 export async function GET(req: Request) {
   try {
@@ -51,7 +52,7 @@ export async function GET(req: Request) {
       revenueGrowth: 0,
     };
 
-    return NextResponse.json(stats);
+    return successResponse({ stats });
   } catch (error) {
     console.error("Dashboard stats error:", error);
     return new NextResponse("Internal Server Error", { status: 500 });

apps/admin/src/app/api/profile/fitness/route.ts

@@ -1,11 +1,14 @@
 import { NextRequest, NextResponse } from "next/server";
 import { getDatabase } from "../../../../lib/database/index";
+import { auth } from "@clerk/nextjs/server";
 import log from "@/lib/logger";
 import { fitnessProfileSchema } from "@/lib/validation/schemas";
 import {
   validateRequestBody,
   validationErrorResponse,
 } from "@/lib/validation/helpers";
+import { getFitnessProfilesByGym } from "@/lib/gym-context";
+import { ensureUserSynced } from "@/lib/sync-user";
 
 export async function POST(request: NextRequest) {
   try {
@@ -63,12 +66,47 @@ export async function POST(request: NextRequest) {
 
 export async function GET(request: NextRequest) {
   try {
-    const db = await getDatabase();
-    const { searchParams } = new URL(request.url);
-    const userId = searchParams.get("userId");
+    // First authenticate
+    const { userId: clerkUserId } = await auth();
+    if (!clerkUserId) {
+      return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+    }
 
-    if (userId) {
-      const profile = await db.getFitnessProfileByUserId(userId);
+    const db = await getDatabase();
+    const currentUser = await ensureUserSynced(clerkUserId, db);
+
+    if (!currentUser) {
+      return NextResponse.json({ error: "Forbidden" }, { status: 403 });
+    }
+
+    const { searchParams } = new URL(request.url);
+    const targetUserId = searchParams.get("userId");
+
+    // If accessing another user's profile, verify gym access
+    if (targetUserId && targetUserId !== clerkUserId) {
+      const isStaff =
+        currentUser.role === "admin" ||
+        currentUser.role === "superAdmin" ||
+        currentUser.role === "trainer";
+
+      if (!isStaff) {
+        return NextResponse.json({ error: "Forbidden" }, { status: 403 });
+      }
+
+      // Staff need to verify target user is in same gym
+      if (currentUser.role !== "superAdmin") {
+        const targetUser = await db.getUserById(targetUserId);
+        if (!targetUser || targetUser.gymId !== currentUser.gymId) {
+          return NextResponse.json(
+            { error: "Forbidden - Cannot access users from other gyms" },
+            { status: 403 },
+          );
+        }
+      }
+    }
+
+    if (targetUserId) {
+      const profile = await db.getFitnessProfileByUserId(targetUserId);
       if (!profile) {
         return NextResponse.json(
           { error: "Profile not found" },
@@ -78,8 +116,28 @@ export async function GET(request: NextRequest) {
       return NextResponse.json({ profile });
     }
 
-    const profiles = await db.getAllFitnessProfiles();
-    return NextResponse.json({ profiles });
+    // Staff get gym-scoped profiles
+    const isStaff =
+      currentUser.role === "admin" ||
+      currentUser.role === "superAdmin" ||
+      currentUser.role === "trainer";
+
+    if (isStaff) {
+      const targetGymId =
+        currentUser.role === "superAdmin"
+          ? (searchParams.get("gymId") ?? undefined)
+          : (currentUser.gymId ?? undefined);
+
+      const profiles = targetGymId
+        ? await getFitnessProfilesByGym(targetGymId)
+        : await db.getAllFitnessProfiles();
+
+      return NextResponse.json({ profiles });
+    }
+
+    // Regular users only get their own
+    const profile = await db.getFitnessProfileByUserId(clerkUserId);
+    return NextResponse.json({ profile: profile ? [profile] : [] });
   } catch (error) {
     log.error("Failed to get fitness profiles", error);
     return NextResponse.json(

apps/admin/src/app/api/recommendations/route.ts

@@ -17,6 +17,8 @@ import {
   badRequestResponse,
   internalErrorResponse,
 } from "@/lib/api/responses";
+import { getRecommendationsByGym } from "@/lib/gym-context";
+import { ensureUserSynced } from "@/lib/sync-user";
 
 export async function GET(request: NextRequest) {
   try {
@@ -25,38 +27,59 @@ export async function GET(request: NextRequest) {
       return unauthorizedResponse();
     }
 
+    const db = await getDatabase();
+    const currentUser = await ensureUserSynced(currentUserId, db);
+
+    if (!currentUser) {
+      return forbiddenResponse("User not found");
+    }
+
     const { searchParams } = new URL(request.url);
     const targetUserId = searchParams.get("userId");
 
-    const db = await getDatabase();
-
-    // If no userId provided, check if staff and return all recommendations
+    // If no userId provided, staff gets gym-scoped recommendations
     if (!targetUserId) {
-      const currentUser = await db.getUserById(currentUserId);
       const isStaff =
-        currentUser?.role === "admin" ||
-        currentUser?.role === "superAdmin" ||
-        currentUser?.role === "trainer";
+        currentUser.role === "admin" ||
+        currentUser.role === "superAdmin" ||
+        currentUser.role === "trainer";
 
       if (!isStaff) {
         return badRequestResponse("User ID is required");
       }
 
-      const recommendations = await db.getAllRecommendations();
+      // Get target gym based on role
+      const targetGymId =
+        currentUser.role === "superAdmin"
+          ? (searchParams.get("gymId") ?? undefined)
+          : (currentUser.gymId ?? undefined);
+
+      // Get recommendations filtered by gym
+      const recommendations = targetGymId
+        ? await getRecommendationsByGym(targetGymId)
+        : await db.getAllRecommendations();
+
       return successResponse({ recommendations });
     }
 
-    // Check permissions: Users can view their own, Admins/Trainers can view anyone's
-    const currentUser = await db.getUserById(currentUserId);
+    // Check permissions: Users can view their own, Admins/Trainers can view anyone's in their gym
     const isStaff =
-      currentUser?.role === "admin" ||
-      currentUser?.role === "superAdmin" ||
-      currentUser?.role === "trainer";
+      currentUser.role === "admin" ||
+      currentUser.role === "superAdmin" ||
+      currentUser.role === "trainer";
 
     if (currentUserId !== targetUserId) {
       if (!isStaff) {
         return forbiddenResponse();
       }
+
+      // Staff need to verify target user is in same gym
+      if (currentUser.role !== "superAdmin") {
+        const targetUser = await db.getUserById(targetUserId);
+        if (!targetUser || targetUser.gymId !== currentUser.gymId) {
+          return forbiddenResponse("Cannot access users from other gyms");
+        }
+      }
     }
 
     let recommendations = await db.getRecommendationsByUserId(targetUserId);

apps/admin/src/app/api/users/route.ts

@@ -24,14 +24,42 @@ import {
   internalErrorResponse,
   badRequestResponse,
 } from "@/lib/api/responses";
+import { getUsersByGym } from "@/lib/gym-context";
+import { ensureUserSynced } from "@/lib/sync-user";
 
 export async function GET(request: NextRequest) {
   try {
+    // First authenticate the user
+    const { userId: clerkUserId } = await auth();
+    if (!clerkUserId) {
+      return unauthorizedResponse();
+    }
+
     const db = await getDatabase();
+    const currentUser = await ensureUserSynced(clerkUserId, db);
+
+    if (!currentUser) {
+      return forbiddenResponse("User not found");
+    }
+
     const { searchParams } = new URL(request.url);
     const role = searchParams.get("role");
 
-    let users = await db.getAllUsers();
+    // Get target gym based on role
+    const targetGymId =
+      currentUser.role === "superAdmin"
+        ? (searchParams.get("gymId") ?? undefined)
+        : (currentUser.gymId ?? undefined);
+
+    // Validate gym access for non-superAdmins
+    if (currentUser.role !== "superAdmin" && !targetGymId) {
+      return forbiddenResponse("No gym assigned");
+    }
+
+    // Get users filtered by gym
+    let users = targetGymId
+      ? await getUsersByGym(targetGymId)
+      : await db.getAllUsers();
 
     // Hydrate gymId from raw DB to ensure consistency with writes
     const rawUserRows = await rawDb.all(sql`SELECT id, gym_id FROM users`);

apps/admin/src/app/attendance/page.tsx

@@ -1,96 +1,102 @@
-'use client'
+"use client";
 
-import { useState, useEffect } from 'react'
-import { format } from 'date-fns'
-
-interface Attendance {
-    id: string
-    clientId: string
-    checkInTime: string
-    checkOutTime?: string
-    type: string
-    notes?: string
-}
+import { useAttendance } from "@/hooks/use-api";
+import { PageHeader } from "@/components/ui/PageHeader";
+import { Badge } from "@/components/ui/badge";
 
 export default function AttendancePage() {
-    const [attendance, setAttendance] = useState<Attendance[]>([])
-    const [loading, setLoading] = useState(true)
-
-    useEffect(() => {
-        const fetchAttendance = async () => {
-            try {
-                const res = await fetch('/api/admin/attendance')
-                if (res.ok) {
-                    const data = await res.json()
-                    setAttendance(data)
-                }
-            } catch (error) {
-                console.error('Error fetching attendance:', error)
-            } finally {
-                setLoading(false)
-            }
-        }
-
-        fetchAttendance()
-    }, [])
-
-    if (loading) {
-        return <div className="p-8">Loading...</div>
-    }
+  const { data: attendance = [], isLoading } = useAttendance();
 
+  if (isLoading) {
     return (
-        <div className="p-8">
-            <h1 className="text-2xl font-bold mb-6">Attendance Monitoring</h1>
-
-            <div className="bg-white rounded-lg shadow overflow-hidden">
-                <table className="min-w-full divide-y divide-gray-200">
-                    <thead className="bg-gray-50">
-                        <tr>
-                            <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
-                                Client ID
-                            </th>
-                            <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
-                                Type
-                            </th>
-                            <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
-                                Check In
-                            </th>
-                            <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
-                                Check Out
-                            </th>
-                            <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
-                                Status
-                            </th>
-                        </tr>
-                    </thead>
-                    <tbody className="bg-white divide-y divide-gray-200">
-                        {attendance.map((record) => (
-                            <tr key={record.id}>
-                                <td className="px-6 py-4 whitespace-nowrap text-sm text-gray-900">
-                                    {record.clientId}
-                                </td>
-                                <td className="px-6 py-4 whitespace-nowrap text-sm text-gray-500 capitalize">
-                                    {record.type}
-                                </td>
-                                <td className="px-6 py-4 whitespace-nowrap text-sm text-gray-500">
-                                    {format(new Date(record.checkInTime), 'PP p')}
-                                </td>
-                                <td className="px-6 py-4 whitespace-nowrap text-sm text-gray-500">
-                                    {record.checkOutTime ? format(new Date(record.checkOutTime), 'PP p') : '-'}
-                                </td>
-                                <td className="px-6 py-4 whitespace-nowrap">
-                                    <span className={`px-2 inline-flex text-xs leading-5 font-semibold rounded-full ${record.checkOutTime
-                                            ? 'bg-gray-100 text-gray-800'
-                                            : 'bg-green-100 text-green-800'
-                                        }`}>
-                                        {record.checkOutTime ? 'Completed' : 'Active'}
-                                    </span>
-                                </td>
-                            </tr>
-                        ))}
-                    </tbody>
-                </table>
-            </div>
+      <div className="space-y-8">
+        <PageHeader
+          title="Attendance"
+          description="Monitor gym check-ins and check-outs"
+          breadcrumbs={[{ label: "Attendance" }]}
+        />
+        <div className="card-modern">
+          <div className="animate-pulse space-y-4">
+            {[...Array(5)].map((_, i) => (
+              <div key={i} className="h-12 bg-muted rounded" />
+            ))}
+          </div>
         </div>
-    )
+      </div>
+    );
+  }
+
+  return (
+    <div className="space-y-8">
+      <PageHeader
+        title="Attendance"
+        description="Monitor gym check-ins and check-outs"
+        breadcrumbs={[{ label: "Attendance" }]}
+      />
+
+      <div className="card-modern">
+        <div className="overflow-x-auto">
+          <table className="w-full">
+            <thead>
+              <tr className="border-b border-border">
+                <th className="text-left py-3 px-4 text-sm font-medium text-muted-foreground">
+                  Client
+                </th>
+                <th className="text-left py-3 px-4 text-sm font-medium text-muted-foreground">
+                  Type
+                </th>
+                <th className="text-left py-3 px-4 text-sm font-medium text-muted-foreground">
+                  Check In
+                </th>
+                <th className="text-left py-3 px-4 text-sm font-medium text-muted-foreground">
+                  Check Out
+                </th>
+                <th className="text-left py-3 px-4 text-sm font-medium text-muted-foreground">
+                  Status
+                </th>
+              </tr>
+            </thead>
+            <tbody>
+              {attendance.map((record) => (
+                <tr
+                  key={record.id}
+                  className="border-b border-border/50 hover:bg-muted/50 transition-colors"
+                >
+                  <td className="py-3 px-4 text-sm">
+                    {record.userId.substring(0, 8)}...
+                  </td>
+                  <td className="py-3 px-4 text-sm capitalize text-muted-foreground">
+                    {record.type}
+                  </td>
+                  <td className="py-3 px-4 text-sm text-muted-foreground">
+                    {new Date(record.checkIn).toLocaleString()}
+                  </td>
+                  <td className="py-3 px-4 text-sm text-muted-foreground">
+                    {record.checkOut
+                      ? new Date(record.checkOut).toLocaleString()
+                      : "-"}
+                  </td>
+                  <td className="py-3 px-4">
+                    <Badge variant={record.checkOut ? "gray" : "success"}>
+                      {record.checkOut ? "Completed" : "Active"}
+                    </Badge>
+                  </td>
+                </tr>
+              ))}
+              {attendance.length === 0 && (
+                <tr>
+                  <td
+                    colSpan={5}
+                    className="py-8 text-center text-muted-foreground"
+                  >
+                    No attendance records found
+                  </td>
+                </tr>
+              )}
+            </tbody>
+          </table>
+        </div>
+      </div>
+    </div>
+  );
 }

apps/admin/src/app/globals.css

@@ -1,76 +1,248 @@
 @tailwind base;
 @tailwind components;
 @tailwind utilities;
- 
+
 @layer base {
   :root {
-    --background: 0 0% 100%;
+    --background: 0 0% 98%;
     --foreground: 222.2 84% 4.9%;
- 
+
     --card: 0 0% 100%;
     --card-foreground: 222.2 84% 4.9%;
- 
+
     --popover: 0 0% 100%;
     --popover-foreground: 222.2 84% 4.9%;
- 
-    --primary: 222.2 47.4% 11.2%;
+
+    --primary: 221.2 83.2% 53.3%;
     --primary-foreground: 210 40% 98%;
- 
+
     --secondary: 210 40% 96.1%;
     --secondary-foreground: 222.2 47.4% 11.2%;
- 
+
     --muted: 210 40% 96.1%;
     --muted-foreground: 215.4 16.3% 46.9%;
- 
+
     --accent: 210 40% 96.1%;
     --accent-foreground: 222.2 47.4% 11.2%;
- 
+
     --destructive: 0 84.2% 60.2%;
     --destructive-foreground: 210 40% 98%;
- 
+
+    --success: 142.1 76.2% 36.3%;
+    --success-foreground: 355.7 100% 97.3%;
+
+    --warning: 37.7 93.1% 50.2%;
+    --warning-foreground: 222.2 47.4% 11.2%;
+
+    --info: 199.4 86.4% 48.4%;
+    --info-foreground: 210 40% 98%;
+
     --border: 214.3 31.8% 91.4%;
     --input: 214.3 31.8% 91.4%;
-    --ring: 222.2 84% 4.9%;
- 
-    --radius: 0.5rem;
+    --ring: 221.2 83.2% 53.3%;
+
+    --radius: 0.625rem;
+
+    --sidebar-background: 222.2 47.4% 7.8%;
+    --sidebar-foreground: 210 40% 98%;
+    --sidebar-primary: 221.2 83.2% 53.3%;
+    --sidebar-primary-foreground: 210 40% 98%;
+    --sidebar-accent: 217.2 32.6% 17.5%;
+    --sidebar-accent-foreground: 210 40% 98%;
+    --sidebar-border: 217.2 32.6% 17.5%;
+    --sidebar-ring: 217.2 91.6% 59.8%;
   }
- 
+
   .dark {
     --background: 222.2 84% 4.9%;
     --foreground: 210 40% 98%;
- 
-    --card: 222.2 84% 4.9%;
+
+    --card: 222.2 47.4% 10.2%;
     --card-foreground: 210 40% 98%;
- 
-    --popover: 222.2 84% 4.9%;
+
+    --popover: 222.2 47.4% 10.2%;
     --popover-foreground: 210 40% 98%;
- 
-    --primary: 210 40% 98%;
+
+    --primary: 217.2 91.2% 59.8%;
     --primary-foreground: 222.2 47.4% 11.2%;
- 
+
     --secondary: 217.2 32.6% 17.5%;
     --secondary-foreground: 210 40% 98%;
- 
+
     --muted: 217.2 32.6% 17.5%;
     --muted-foreground: 215 20.2% 65.1%;
- 
+
     --accent: 217.2 32.6% 17.5%;
     --accent-foreground: 210 40% 98%;
- 
+
     --destructive: 0 62.8% 30.6%;
     --destructive-foreground: 210 40% 98%;
- 
+
+    --success: 142.1 76.2% 36.3%;
+    --success-foreground: 355.7 100% 97.3%;
+
+    --warning: 37.7 93.1% 50.2%;
+    --warning-foreground: 222.2 47.4% 11.2%;
+
+    --info: 199.4 86.4% 48.4%;
+    --info-foreground: 210 40% 98%;
+
     --border: 217.2 32.6% 17.5%;
     --input: 217.2 32.6% 17.5%;
-    --ring: 212.7 26.8% 83.9%;
+    --ring: 224.3 76.3% 48%;
+
+    --sidebar-background: 222.2 47.4% 7.8%;
+    --sidebar-foreground: 210 40% 98%;
+    --sidebar-primary: 217.2 91.2% 59.8%;
+    --sidebar-primary-foreground: 222.2 47.4% 11.2%;
+    --sidebar-accent: 217.2 32.6% 17.5%;
+    --sidebar-accent-foreground: 210 40% 98%;
+    --sidebar-border: 217.2 32.6% 17.5%;
+    --sidebar-ring: 217.2 91.6% 59.8%;
   }
 }
- 
+
 @layer base {
   * {
     @apply border-border;
   }
   body {
-    @apply bg-background text-foreground;
+    @apply bg-background text-foreground antialiased;
   }
-}
+}
+
+@layer utilities {
+  .gradient-mesh {
+    background:
+      radial-gradient(
+        at 40% 20%,
+        hsla(221, 83%, 53%, 0.1) 0px,
+        transparent 50%
+      ),
+      radial-gradient(at 80% 0%, hsla(189, 97%, 66%, 0.1) 0px, transparent 50%),
+      radial-gradient(at 0% 50%, hsla(355, 85%, 93%, 0.3) 0px, transparent 50%),
+      radial-gradient(
+        at 80% 50%,
+        hsla(240, 75%, 98%, 0.3) 0px,
+        transparent 50%
+      ),
+      radial-gradient(at 0% 100%, hsla(22, 100%, 92%, 0.2) 0px, transparent 50%);
+  }
+
+  .glass {
+    @apply backdrop-blur-xl bg-white/70 dark:bg-black/70;
+  }
+
+  .text-gradient {
+    @apply bg-clip-text text-transparent bg-gradient-to-r from-primary to-primary/60;
+  }
+
+  .animate-fade-in {
+    animation: fadeIn 0.5s ease-out forwards;
+  }
+
+  .animate-slide-up {
+    animation: slideUp 0.5s ease-out forwards;
+  }
+
+  .animate-scale-in {
+    animation: scaleIn 0.3s ease-out forwards;
+  }
+
+  @keyframes fadeIn {
+    from {
+      opacity: 0;
+    }
+    to {
+      opacity: 1;
+    }
+  }
+
+  @keyframes slideUp {
+    from {
+      opacity: 0;
+      transform: translateY(20px);
+    }
+    to {
+      opacity: 1;
+      transform: translateY(0);
+    }
+  }
+
+  @keyframes scaleIn {
+    from {
+      opacity: 0;
+      transform: scale(0.95);
+    }
+    to {
+      opacity: 1;
+      transform: scale(1);
+    }
+  }
+
+  .stagger-1 {
+    animation-delay: 0.1s;
+  }
+  .stagger-2 {
+    animation-delay: 0.2s;
+  }
+  .stagger-3 {
+    animation-delay: 0.3s;
+  }
+  .stagger-4 {
+    animation-delay: 0.4s;
+  }
+  .stagger-5 {
+    animation-delay: 0.5s;
+  }
+}
+
+@layer components {
+  .btn-primary {
+    @apply inline-flex items-center justify-center rounded-lg bg-primary px-4 py-2 text-sm font-medium text-primary-foreground shadow-sm transition-all duration-200 hover:bg-primary/90 hover:shadow-md focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50;
+  }
+
+  .btn-secondary {
+    @apply inline-flex items-center justify-center rounded-lg bg-secondary px-4 py-2 text-sm font-medium text-secondary-foreground shadow-sm transition-all duration-200 hover:bg-secondary/80 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50;
+  }
+
+  .btn-ghost {
+    @apply inline-flex items-center justify-center rounded-lg px-4 py-2 text-sm font-medium text-muted-foreground transition-all duration-200 hover:bg-accent hover:text-accent-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50;
+  }
+
+  .btn-danger {
+    @apply inline-flex items-center justify-center rounded-lg bg-destructive px-4 py-2 text-sm font-medium text-destructive-foreground shadow-sm transition-all duration-200 hover:bg-destructive/90 hover:shadow-md focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50;
+  }
+
+  .card-modern {
+    @apply rounded-xl border border-border/50 bg-card p-6 shadow-sm transition-all duration-200 hover:shadow-md;
+  }
+
+  .card-elevated {
+    @apply rounded-xl border border-border/50 bg-card p-6 shadow-lg transition-all duration-200 hover:shadow-xl hover:-translate-y-0.5;
+  }
+
+  .input-modern {
+    @apply flex h-10 w-full rounded-lg border border-input bg-background px-3 py-2 text-sm ring-offset-background file:border-0 file:bg-transparent file:text-sm file:font-medium placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 transition-all duration-200;
+  }
+
+  .badge-success {
+    @apply inline-flex items-center rounded-full bg-green-100 px-2.5 py-0.5 text-xs font-medium text-green-800 dark:bg-green-900/30 dark:text-green-400;
+  }
+
+  .badge-warning {
+    @apply inline-flex items-center rounded-full bg-yellow-100 px-2.5 py-0.5 text-xs font-medium text-yellow-800 dark:bg-yellow-900/30 dark:text-yellow-400;
+  }
+
+  .badge-error {
+    @apply inline-flex items-center rounded-full bg-red-100 px-2.5 py-0.5 text-xs font-medium text-red-800 dark:bg-red-900/30 dark:text-red-400;
+  }
+
+  .badge-info {
+    @apply inline-flex items-center rounded-full bg-blue-100 px-2.5 py-0.5 text-xs font-medium text-blue-800 dark:bg-blue-900/30 dark:text-blue-400;
+  }
+
+  .badge-default {
+    @apply inline-flex items-center rounded-full bg-gray-100 px-2.5 py-0.5 text-xs font-medium text-gray-800 dark:bg-gray-800 dark:text-gray-300;
+  }
+}

apps/admin/src/app/layout.tsx

@@ -10,6 +10,7 @@ import {
 } from "@clerk/nextjs";
 import { Sidebar } from "@/components/ui/Sidebar";
 import { Toaster } from "sonner";
+import { QueryProvider } from "@/components/providers/QueryProvider";
 
 const inter = Inter({ subsets: ["latin"] });
 
@@ -25,15 +26,19 @@ export default function RootLayout({
 }) {
   return (
     <ClerkProvider>
-      <html lang="en">
-        <body className={inter.className}>
-          <div className="flex min-h-screen bg-slate-50">
-            <Sidebar />
-            <main className="flex-1 ml-20 p-8">{children}</main>
-          </div>
-          <Toaster richColors position="top-right" />
-        </body>
-      </html>
+      <QueryProvider>
+        <html lang="en">
+          <body className={inter.className}>
+            <div className="flex min-h-screen bg-background">
+              <Sidebar />
+              <main className="flex-1 p-6 lg:p-8 min-h-screen">
+                <div className="max-w-7xl mx-auto space-y-8">{children}</div>
+              </main>
+            </div>
+            <Toaster richColors position="top-right" />
+          </body>
+        </html>
+      </QueryProvider>
     </ClerkProvider>
   );
 }

apps/admin/src/app/page.tsx

@@ -1,100 +1,150 @@
 "use client";
 
-import { useEffect, useState } from "react";
-import { Users, CreditCard, CalendarCheck, TrendingUp } from "lucide-react";
-import { StatsCard } from "@/components/ui/StatsCard";
+import {
+  Users,
+  CreditCard,
+  CalendarCheck,
+  TrendingUp,
+  RefreshCw,
+} from "lucide-react";
+import { StatsCard, StatsCardSkeleton } from "@/components/ui/StatsCard";
+import { PageHeader } from "@/components/ui/PageHeader";
 import { UserManagement } from "@/components/users/UserManagement";
 import { AnalyticsDashboard } from "@/components/analytics/AnalyticsDashboard";
-import axios from "axios";
-
-interface DashboardStats {
-  totalUsers: number;
-  activeClients: number;
-  totalRevenue: number;
-  revenueGrowth: number;
-}
+import { useDashboardStats } from "@/hooks/use-api";
+import { useQueryClient } from "@tanstack/react-query";
+import { Button } from "@/components/ui/button";
+import { useUser } from "@clerk/nextjs";
+import { useSearchParams } from "next/navigation";
+import { GymSelector } from "@/components/gym/GymSelector";
 
 export default function Home() {
-  const [stats, setStats] = useState<DashboardStats>({
-    totalUsers: 0,
-    activeClients: 0,
-    totalRevenue: 0,
-    revenueGrowth: 0,
-  });
-  const [loading, setLoading] = useState(true);
+  const { user } = useUser();
+  const searchParams = useSearchParams();
+  const gymId = searchParams.get("gymId") ?? undefined;
 
-  useEffect(() => {
-    const fetchStats = async () => {
-      try {
-        const response = await axios.get("/api/admin/stats");
-        setStats(response.data);
-      } catch (error) {
-        console.error("Failed to fetch dashboard stats:", error);
-      } finally {
-        setLoading(false);
-      }
-    };
+  const {
+    data: stats,
+    isLoading,
+    refetch,
+    isFetching,
+  } = useDashboardStats(gymId);
+  const queryClient = useQueryClient();
 
-    fetchStats();
-  }, []);
+  // Get user role from metadata
+  const userRole = (user?.publicMetadata?.role as string) ?? "client";
+
+  const handleRefresh = () => {
+    queryClient.invalidateQueries({ queryKey: ["dashboard-stats"] });
+    queryClient.invalidateQueries({ queryKey: ["analytics"] });
+    refetch();
+  };
 
   const formatCurrency = (value: number) => {
     return new Intl.NumberFormat("en-US", {
       style: "currency",
       currency: "USD",
-    }).format(value);
+      minimumFractionDigits: 0,
+      maximumFractionDigits: 0,
+    }).format(value || 0);
   };
 
   return (
     <div className="space-y-8">
-      <div>
-        <h2 className="text-3xl font-bold text-slate-900">Dashboard</h2>
-        <p className="text-slate-500 mt-2">Welcome back, here's what's happening today.</p>
+      <PageHeader
+        title="Dashboard"
+        description="Welcome back! Here's what's happening with your gym today."
+        actions={
+          <div className="flex items-center gap-3">
+            <GymSelector userRole={userRole} />
+            <Button
+              variant="outline"
+              size="sm"
+              onClick={handleRefresh}
+              disabled={isFetching}
+              className="gap-2"
+            >
+              <RefreshCw
+                className={`h-4 w-4 ${isFetching ? "animate-spin" : ""}`}
+              />
+              Refresh
+            </Button>
+          </div>
+        }
+      />
+
+      {/* Stats Grid */}
+      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
+        {isLoading ? (
+          <>
+            <StatsCardSkeleton />
+            <StatsCardSkeleton />
+            <StatsCardSkeleton />
+            <StatsCardSkeleton />
+          </>
+        ) : (
+          <>
+            <StatsCard
+              title="Total Users"
+              value={stats?.totalUsers ?? 0}
+              change="+12%"
+              trend="up"
+              icon={Users}
+              color="blue"
+            />
+            <StatsCard
+              title="Active Clients"
+              value={stats?.activeClients ?? 0}
+              change="+5%"
+              trend="up"
+              icon={CalendarCheck}
+              color="green"
+            />
+            <StatsCard
+              title="Revenue"
+              value={formatCurrency(stats?.totalRevenue ?? 0)}
+              change={`${(stats?.revenueGrowth ?? 0) > 0 ? "+" : ""}${stats?.revenueGrowth ?? 0}%`}
+              trend={(stats?.revenueGrowth ?? 0) >= 0 ? "up" : "down"}
+              icon={CreditCard}
+              color="purple"
+            />
+            <StatsCard
+              title="Growth"
+              value="24%"
+              change="-2%"
+              trend="down"
+              icon={TrendingUp}
+              color="orange"
+            />
+          </>
+        )}
       </div>
 
-      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6">
-        <StatsCard
-          title="Total Users"
-          value={loading ? "..." : stats.totalUsers}
-          change="+12%" // Placeholder for now as we don't track historical growth yet
-          trend="up"
-          icon={Users}
-          color="blue"
-        />
-        <StatsCard
-          title="Active Clients"
-          value={loading ? "..." : stats.activeClients}
-          change="+5%"
-          trend="up"
-          icon={CalendarCheck}
-          color="green"
-        />
-        <StatsCard
-          title="Revenue"
-          value={loading ? "..." : formatCurrency(stats.totalRevenue)}
-          change={`${stats.revenueGrowth > 0 ? "+" : ""}${stats.revenueGrowth}%`}
-          trend={stats.revenueGrowth >= 0 ? "up" : "down"}
-          icon={CreditCard}
-          color="purple"
-        />
-        <StatsCard
-          title="Growth"
-          value="24%" // Placeholder
-          change="-2%"
-          trend="down"
-          icon={TrendingUp}
-          color="orange"
-        />
-      </div>
+      {/* Main Content Grid */}
+      <div className="grid grid-cols-1 xl:grid-cols-3 gap-6">
+        {/* <div className="xl:col-span-2"> */}
+        {/*   <div className="card-modern"> */}
+        {/*     <div className="mb-6"> */}
+        {/*       <h3 className="text-lg font-semibold">Recent Activity</h3> */}
+        {/*       <p className="text-sm text-muted-foreground"> */}
+        {/*         Manage and view your users */}
+        {/*       </p> */}
+        {/*     </div> */}
+        {/*     <UserManagement /> */}
+        {/*   </div> */}
+        {/* </div> */}
 
-      <div className="flex flex-col gap-8">
-        <div className="bg-white rounded-xl shadow-sm border border-slate-100 p-6">
-          <h3 className="text-xl font-bold text-slate-900 mb-6">Recent Activity</h3>
-          <UserManagement />
-        </div>
-        <div className="bg-white rounded-xl shadow-sm border border-slate-100 p-6">
-          <h3 className="text-xl font-bold text-slate-900 mb-6">Quick Analytics</h3>
-          <AnalyticsDashboard />
+        {/* Analytics Sidebar */}
+        <div className="xl:col-span-3">
+          <div className="card-modern">
+            <div className="mb-6">
+              <h3 className="text-lg font-semibold">Quick Analytics</h3>
+              <p className="text-sm text-muted-foreground">
+                Overview of your gym metrics
+              </p>
+            </div>
+            <AnalyticsDashboard gymId={gymId} />
+          </div>
         </div>
       </div>
     </div>

apps/admin/src/app/profile/page.tsx

@@ -55,7 +55,7 @@ export default function ProfilePage() {
         <div className="flex justify-between items-center mb-6">
           <h1 className="text-2xl font-bold">Profile</h1>
           <Button
-            variant={isEditing ? "primary" : "secondary"}
+            variant={isEditing ? "default" : "secondary"}
             onClick={() => setIsEditing(!isEditing)}
           >
             {isEditing ? "Cancel" : "Edit Profile"}

apps/admin/src/app/recommendations/page.tsx

@@ -1,86 +1,41 @@
 "use client";
 
-import { useEffect, useState } from "react";
+import { useState } from "react";
 import { useUser } from "@clerk/nextjs";
 import log from "@/lib/logger";
 import { toast } from "@/lib/toast";
-
-interface User {
-  id: string;
-  firstName: string;
-  lastName: string;
-  email: string;
-}
-
-interface Recommendation {
-  id: string;
-  userId: string;
-  content: string;
-  recommendationText: string;
-  activityPlan: string;
-  dietPlan: string;
-  status: string;
-  createdAt: Date;
-}
+import {
+  useUsers,
+  useRecommendations,
+  useGenerateRecommendations,
+  useApproveRecommendation,
+  useUpdateRecommendation,
+  type Recommendation,
+} from "@/hooks/use-api";
+import { PageHeader } from "@/components/ui/PageHeader";
 
 export default function RecommendationsPage() {
   const { user } = useUser();
-  const [users, setUsers] = useState<User[]>([]);
-  const [pendingRecommendations, setPendingRecommendations] = useState<
-    Recommendation[]
-  >([]);
-  const [loading, setLoading] = useState(true);
-  const [generating, setGenerating] = useState<string | null>(null);
   const [useExternalModel, setUseExternalModel] = useState(false);
 
-  useEffect(() => {
-    fetchData();
-  }, []);
+  const { data: users = [], isLoading: usersLoading } = useUsers();
+  const { data: allRecommendations = [], isLoading: recsLoading } =
+    useRecommendations();
+  const pendingRecommendations = allRecommendations.filter(
+    (r) => r.status === "pending",
+  );
 
-  const fetchData = async () => {
-    try {
-      // Fetch users - API returns { success: true, data: { users: [...] }, meta: {...} }
-      const usersRes = await fetch("/api/users");
-      const usersResult = await usersRes.json();
-      const usersArray = usersResult.data?.users || usersResult.users || [];
-      setUsers(usersArray);
-
-      // Fetch pending recommendations - API returns { success: true, data: { recommendations: [...] }, meta: {...} }
-      const recsRes = await fetch("/api/recommendations");
-      const recsResult = await recsRes.json();
-      const allRecs =
-        recsResult.data?.recommendations || recsResult.recommendations || [];
-      setPendingRecommendations(
-        allRecs.filter((r: Recommendation) => r.status === "pending"),
-      );
-    } catch (error) {
-      log.error("Failed to fetch data", error);
-    } finally {
-      setLoading(false);
-    }
-  };
+  const generateRec = useGenerateRecommendations();
+  const approveRec = useApproveRecommendation();
+  const updateRec = useUpdateRecommendation();
 
   const handleGenerate = async (userId: string) => {
-    setGenerating(userId);
     try {
-      const res = await fetch("/api/recommendations/generate", {
-        method: "POST",
-        headers: { "Content-Type": "application/json" },
-        body: JSON.stringify({ userId, useExternalModel }),
-      });
-
-      if (!res.ok) {
-        const error = await res.json();
-        toast.error(`Error: ${error.error}`);
-      } else {
-        toast.success("Recommendation generated successfully!");
-        fetchData(); // Refresh data
-      }
+      await generateRec.mutateAsync(userId);
+      toast.success("Recommendation generated successfully!");
     } catch (error) {
       log.error("Failed to generate recommendation", error);
       toast.error("Failed to generate recommendation.");
-    } finally {
-      setGenerating(null);
     }
   };
 
@@ -89,25 +44,11 @@ export default function RecommendationsPage() {
     status: "approved" | "rejected",
   ) => {
     try {
-      const res = await fetch("/api/recommendations/approve", {
-        method: "POST",
-        headers: { "Content-Type": "application/json" },
-        body: JSON.stringify({
-          recommendationId,
-          status,
-          approvedBy: user?.id || "admin",
-        }),
+      await approveRec.mutateAsync({
+        recommendationId,
+        approved: status === "approved",
       });
-
-      if (!res.ok) {
-        const errorData = await res.json();
-        toast.error(
-          `Failed to update status: ${errorData.error || "Unknown error"}`,
-        );
-      } else {
-        toast.success("Recommendation status updated");
-        fetchData(); // Refresh data
-      }
+      toast.success("Recommendation status updated");
     } catch (error) {
       log.error("Failed to approve recommendation", error);
       toast.error("Error processing request");
@@ -124,168 +65,137 @@ export default function RecommendationsPage() {
       newActivityPlan === null ||
       newDietPlan === null
     ) {
-      // User cancelled one of the prompts
       return;
     }
 
     try {
-      const res = await fetch("/api/recommendations", {
-        method: "PUT",
-        headers: { "Content-Type": "application/json" },
-        body: JSON.stringify({
-          id: rec.id,
-          content: newContent,
-          activityPlan: newActivityPlan,
-          dietPlan: newDietPlan,
-        }),
+      await updateRec.mutateAsync({
+        id: rec.id,
+        content: newContent,
+        activityPlan: newActivityPlan,
+        dietPlan: newDietPlan,
       });
-
-      if (!res.ok) {
-        const errorData = await res.json();
-        toast.error(
-          `Failed to update recommendation: ${errorData.error || "Unknown error"}`,
-        );
-      } else {
-        toast.success("Recommendation updated successfully!");
-        fetchData(); // Refresh data
-      }
+      toast.success("Recommendation updated successfully!");
     } catch (error) {
       log.error("Failed to update recommendation", error);
       toast.error("Failed to update recommendation.");
     }
   };
 
-  if (loading) {
+  if (usersLoading || recsLoading) {
     return (
-      <div className="flex items-center justify-center h-screen">
-        <div className="text-xl">Loading...</div>
+      <div className="flex items-center justify-center h-64">
+        <div className="text-lg">Loading...</div>
       </div>
     );
   }
 
   return (
-    <div className="container mx-auto py-10 px-4">
-      <div className="flex justify-between items-center mb-8">
-        <h1 className="text-3xl font-bold">AI Recommendations</h1>
+    <div className="space-y-8">
+      <PageHeader
+        title="AI Recommendations"
+        description="Generate and manage AI-powered fitness recommendations"
+        breadcrumbs={[{ label: "AI Recommendations" }]}
+      />
 
-        {/* Model Selection Toggle */}
-        <div className="flex items-center gap-3 bg-white px-4 py-2 rounded-lg shadow">
-          <span className="text-sm font-medium text-gray-700">
-            {useExternalModel ? "DeepSeek AI" : "Local Ollama"}
-          </span>
-          <button
-            onClick={() => setUseExternalModel(!useExternalModel)}
-            className={`relative inline-flex h-6 w-11 items-center rounded-full transition-colors ${
-              useExternalModel ? "bg-blue-600" : "bg-gray-300"
-            }`}
-          >
-            <span
-              className={`inline-block h-4 w-4 transform rounded-full bg-white transition-transform ${
-                useExternalModel ? "translate-x-6" : "translate-x-1"
-              }`}
-            />
-          </button>
-          <span className="text-xs text-gray-500">
-            {useExternalModel ? "External" : "Local"}
-          </span>
-        </div>
-      </div>
-
-      <div className="grid grid-cols-1 lg:grid-cols-2 gap-8">
+      <div className="grid grid-cols-1 lg:grid-cols-2 gap-6">
         {/* Generate Section */}
-        <div>
-          <h2 className="text-2xl font-semibold mb-4">
-            Generate Recommendations
-          </h2>
-          <div className="bg-white shadow rounded-lg p-6">
-            <p className="mb-4 text-gray-600">
+        <div className="card-modern">
+          <div className="mb-6">
+            <h3 className="text-lg font-semibold">Generate Recommendations</h3>
+            <p className="text-sm text-muted-foreground">
               Select a user to generate a new daily recommendation.
             </p>
-            <ul className="space-y-4">
-              {users.map((user) => (
-                <li
-                  key={user.id}
-                  className="flex items-center justify-between border-b pb-2"
-                >
-                  <div>
-                    <p className="font-medium">
-                      {user.firstName} {user.lastName}
-                    </p>
-                    <p className="text-sm text-gray-500">{user.email}</p>
-                  </div>
-                  <button
-                    onClick={() => handleGenerate(user.id)}
-                    disabled={generating === user.id}
-                    className="bg-blue-600 text-white px-4 py-2 rounded hover:bg-blue-700 disabled:opacity-50"
-                  >
-                    {generating === user.id ? "Generating..." : "Generate"}
-                  </button>
-                </li>
-              ))}
-              {users.length === 0 && (
-                <p className="text-gray-500 italic">No users found.</p>
-              )}
-            </ul>
           </div>
+          <ul className="space-y-4">
+            {users.map((user) => (
+              <li
+                key={user.id}
+                className="flex items-center justify-between border-b border-border/50 pb-4 last:border-0 last:pb-0"
+              >
+                <div>
+                  <p className="font-medium">
+                    {user.firstName} {user.lastName}
+                  </p>
+                  <p className="text-sm text-muted-foreground">{user.email}</p>
+                </div>
+                <button
+                  onClick={() => handleGenerate(user.id)}
+                  disabled={generateRec.isPending}
+                  className="btn-primary"
+                >
+                  {generateRec.isPending ? "Generating..." : "Generate"}
+                </button>
+              </li>
+            ))}
+            {users.length === 0 && (
+              <p className="text-muted-foreground italic">No users found.</p>
+            )}
+          </ul>
         </div>
 
         {/* Pending Approvals Section */}
-        <div>
-          <h2 className="text-2xl font-semibold mb-4">Pending Approvals</h2>
-          <div className="bg-white shadow rounded-lg p-6">
-            {pendingRecommendations.length === 0 ? (
-              <p className="text-gray-500 italic">
-                No pending recommendations.
-              </p>
-            ) : (
-              <ul className="space-y-6">
-                {pendingRecommendations.map((rec) => (
-                  <li key={rec.id} className="border rounded p-4">
-                    <div className="flex justify-between items-start mb-2">
-                      <h3 className="font-bold">For: User {rec.userId}</h3>
-                      <span className="text-xs text-gray-500">
-                        {new Date(rec.createdAt).toLocaleDateString()}
-                      </span>
-                    </div>
-                    <div className="space-y-2 text-sm mb-4">
-                      <div>
-                        <span className="font-semibold">Advice:</span>{" "}
-                        {rec.recommendationText}
-                      </div>
-                      <div>
-                        <span className="font-semibold">Activity:</span>{" "}
-                        {rec.activityPlan}
-                      </div>
-                      <div>
-                        <span className="font-semibold">Diet:</span>{" "}
-                        {rec.dietPlan}
-                      </div>
-                    </div>
-                    <div className="flex space-x-2">
-                      <button
-                        onClick={() => handleEdit(rec)}
-                        className="flex-1 bg-blue-500 text-white py-2 rounded hover:bg-blue-600"
-                      >
-                        Edit
-                      </button>
-                      <button
-                        onClick={() => handleApprove(rec.id, "approved")}
-                        className="flex-1 bg-green-600 text-white py-2 rounded hover:bg-green-700"
-                      >
-                        Approve
-                      </button>
-                      <button
-                        onClick={() => handleApprove(rec.id, "rejected")}
-                        className="flex-1 bg-red-600 text-white py-2 rounded hover:bg-red-700"
-                      >
-                        Reject
-                      </button>
-                    </div>
-                  </li>
-                ))}
-              </ul>
-            )}
+        <div className="card-modern">
+          <div className="mb-6">
+            <h3 className="text-lg font-semibold">Pending Approvals</h3>
+            <p className="text-sm text-muted-foreground">
+              Review and approve AI-generated recommendations
+            </p>
           </div>
+          {pendingRecommendations.length === 0 ? (
+            <p className="text-muted-foreground italic">
+              No pending recommendations.
+            </p>
+          ) : (
+            <ul className="space-y-4">
+              {pendingRecommendations.map((rec) => (
+                <li
+                  key={rec.id}
+                  className="border border-border rounded-lg p-4"
+                >
+                  <div className="flex justify-between items-start mb-3">
+                    <h4 className="font-semibold">For: User {rec.userId}</h4>
+                    <span className="text-xs text-muted-foreground">
+                      {new Date(rec.createdAt).toLocaleDateString()}
+                    </span>
+                  </div>
+                  <div className="space-y-2 text-sm mb-4">
+                    <div>
+                      <span className="font-medium">Advice:</span>{" "}
+                      {rec.recommendationText}
+                    </div>
+                    <div>
+                      <span className="font-medium">Activity:</span>{" "}
+                      {rec.activityPlan}
+                    </div>
+                    <div>
+                      <span className="font-medium">Diet:</span> {rec.dietPlan}
+                    </div>
+                  </div>
+                  <div className="flex gap-2">
+                    <button
+                      onClick={() => handleEdit(rec)}
+                      className="btn-secondary flex-1"
+                    >
+                      Edit
+                    </button>
+                    <button
+                      onClick={() => handleApprove(rec.id, "approved")}
+                      className="btn-primary flex-1 bg-emerald-600 hover:bg-emerald-700"
+                    >
+                      Approve
+                    </button>
+                    <button
+                      onClick={() => handleApprove(rec.id, "rejected")}
+                      className="btn-danger flex-1"
+                    >
+                      Reject
+                    </button>
+                  </div>
+                </li>
+              ))}
+            </ul>
+          )}
         </div>
       </div>
     </div>

apps/admin/src/app/users/page.tsx

@@ -1,11 +1,30 @@
-import { UserManagement } from '@/components/users/UserManagement'
+"use client";
+
+import { UserManagement } from "@/components/users/UserManagement";
+import { PageHeader } from "@/components/ui/PageHeader";
+import { useUser } from "@clerk/nextjs";
+import { useSearchParams } from "next/navigation";
+import { GymSelector } from "@/components/gym/GymSelector";
 
 export default function UsersPage() {
+  const { user } = useUser();
+  const searchParams = useSearchParams();
+
+  const userRole = (user?.publicMetadata?.role as string) ?? "client";
+  const gymId = searchParams.get("gymId") ?? undefined;
+
   return (
-    <main className="min-h-screen bg-gray-50">
-      <div className="container mx-auto px-4 py-8">
-        <UserManagement />
+    <div className="space-y-8">
+      <PageHeader
+        title="Users"
+        description="Manage your gym members, trainers, and administrators"
+        breadcrumbs={[{ label: "Users", href: "/users" }]}
+        actions={<GymSelector userRole={userRole} />}
+      />
+
+      <div className="card-modern">
+        <UserManagement gymId={gymId} />
       </div>
-    </main>
-  )
-}
+    </div>
+  );
+}

apps/admin/src/components/Navigation.tsx

@@ -71,11 +71,11 @@ export function Navigation(): ReactElement {
               <li key={item.href}>
                 <Link href={item.href} className="flex items-center gap-2">
                   <Button
-                    variant={pathname === item.href ? "primary" : "secondary"}
+                    variant={pathname === item.href ? "default" : "secondary"}
                     className={cn(
                       "h-9 px-4 py-2",
                       pathname === item.href &&
-                      "bg-primary text-primary-foreground",
+                        "bg-primary text-primary-foreground",
                     )}
                     aria-current={pathname === item.href ? "page" : undefined}
                   >

apps/admin/src/components/analytics/AnalyticsDashboard.tsx

@@ -1,75 +1,38 @@
-'use client'
+"use client";
 
-import { useState, useEffect } from 'react'
-import { UserGrowthChart } from '@/components/charts/UserGrowthChart'
-import { MembershipDistributionChart } from '@/components/charts/MembershipDistributionChart'
-import { RevenueChart } from '@/components/charts/RevenueChart'
-import { Card, CardHeader, CardContent } from '@/components/ui/card'
+import { UserGrowthChart } from "@/components/charts/UserGrowthChart";
+import { MembershipDistributionChart } from "@/components/charts/MembershipDistributionChart";
+import { RevenueChart } from "@/components/charts/RevenueChart";
+import { Card, CardHeader, CardContent } from "@/components/ui/card";
+import { useAnalytics } from "@/hooks/use-api";
 
-interface ChartData {
-  label: string
-  value: number
-  color?: string
+interface AnalyticsDashboardProps {
+  gymId?: string;
 }
 
-export function AnalyticsDashboard() {
-  const [userGrowthData, setUserGrowthData] = useState<ChartData[]>([])
-  const [membershipData, setMembershipData] = useState<ChartData[]>([])
-  const [revenueData, setRevenueData] = useState<ChartData[]>([])
-  const [loading, setLoading] = useState(true)
+export function AnalyticsDashboard({ gymId }: AnalyticsDashboardProps) {
+  const { data: analytics, isLoading } = useAnalytics(6, gymId);
 
-  useEffect(() => {
-    fetchAnalyticsData()
-  }, [])
+  const userGrowthData = analytics?.userGrowth ?? [];
+  const membershipData = analytics?.membershipDistribution ?? [];
+  const revenueData = analytics?.revenue ?? [];
 
-  const fetchAnalyticsData = async () => {
-    setLoading(true)
-    try {
-      // Mock data for demonstration - replace with real API calls
-      const mockUserGrowth = [
-        { label: 'Jan', value: 45 },
-        { label: 'Feb', value: 52 },
-        { label: 'Mar', value: 61 },
-        { label: 'Apr', value: 58 },
-        { label: 'May', value: 67 },
-        { label: 'Jun', value: 74 },
-      ]
+  const totalUsers =
+    userGrowthData.length > 0
+      ? userGrowthData[userGrowthData.length - 1].value
+      : 0;
+  const totalRevenue = revenueData.reduce((sum, item) => sum + item.value, 0);
+  const activeMembers = membershipData.reduce(
+    (sum, item) => sum + item.value,
+    0,
+  );
 
-      const mockMembershipData = [
-        { label: 'Basic', value: 45, color: '#6b7280' },
-        { label: 'Premium', value: 28, color: '#3b82f6' },
-        { label: 'VIP', value: 12, color: '#f59e0b' },
-      ]
-
-      const mockRevenueData = [
-        { label: 'Jan', value: 12500, color: '#10b981' },
-        { label: 'Feb', value: 14200, color: '#10b981' },
-        { label: 'Mar', value: 16800, color: '#10b981' },
-        { label: 'Apr', value: 15900, color: '#10b981' },
-        { label: 'May', value: 18200, color: '#10b981' },
-        { label: 'Jun', value: 19400, color: '#10b981' },
-      ]
-
-      setUserGrowthData(mockUserGrowth)
-      setMembershipData(mockMembershipData)
-      setRevenueData(mockRevenueData)
-    } catch (error) {
-      console.error('Failed to fetch analytics data:', error)
-    } finally {
-      setLoading(false)
-    }
-  }
-
-  const totalUsers = userGrowthData.length > 0 ? userGrowthData[userGrowthData.length - 1].value : 0
-  const totalRevenue = revenueData.reduce((sum, item) => sum + item.value, 0)
-  const activeMembers = membershipData.reduce((sum, item) => sum + item.value, 0)
-
-  if (loading) {
+  if (isLoading) {
     return (
       <div className="flex justify-center items-center h-64">
         <div className="text-lg">Loading analytics...</div>
       </div>
-    )
+    );
   }
 
   return (
@@ -81,7 +44,9 @@ export function AnalyticsDashboard() {
         <Card>
           <CardContent>
             <div className="text-center">
-              <div className="text-3xl font-bold text-blue-600">{totalUsers}</div>
+              <div className="text-3xl font-bold text-blue-600">
+                {totalUsers}
+              </div>
               <div className="text-gray-600">Total Users</div>
             </div>
           </CardContent>
@@ -90,7 +55,9 @@ export function AnalyticsDashboard() {
         <Card>
           <CardContent>
             <div className="text-center">
-              <div className="text-3xl font-bold text-green-600">${totalRevenue.toLocaleString()}</div>
+              <div className="text-3xl font-bold text-green-600">
+                ${totalRevenue.toLocaleString()}
+              </div>
               <div className="text-gray-600">Total Revenue</div>
             </div>
           </CardContent>
@@ -99,7 +66,9 @@ export function AnalyticsDashboard() {
         <Card>
           <CardContent>
             <div className="text-center">
-              <div className="text-3xl font-bold text-purple-600">{activeMembers}</div>
+              <div className="text-3xl font-bold text-purple-600">
+                {activeMembers}
+              </div>
               <div className="text-gray-600">Active Members</div>
             </div>
           </CardContent>
@@ -133,14 +102,14 @@ export function AnalyticsDashboard() {
         </CardHeader>
         <CardContent>
           <RevenueChart
-            data={revenueData.map(item => ({
+            data={revenueData.map((item) => ({
               category: item.label,
               value: item.value,
-              color: item.color
+              color: item.color,
             }))}
           />
         </CardContent>
       </Card>
     </div>
-  )
+  );
 }

apps/admin/src/components/gym/GymSelector.tsx

@@ -0,0 +1,91 @@
+"use client";
+
+import { useRouter, useSearchParams } from "next/navigation";
+import { useEffect, useState } from "react";
+
+interface Gym {
+  id: string;
+  name: string;
+}
+
+interface GymSelectorProps {
+  currentGymId?: string;
+  userRole: string;
+}
+
+export function GymSelector({ userRole }: GymSelectorProps) {
+  const router = useRouter();
+  const searchParams = useSearchParams();
+  const [gyms, setGyms] = useState<Gym[]>([]);
+  const [loading, setLoading] = useState(true);
+
+  useEffect(() => {
+    // Only fetch gyms for superAdmin
+    if (userRole !== "superAdmin") {
+      setLoading(false);
+      return;
+    }
+
+    async function fetchGyms() {
+      try {
+        const response = await fetch("/api/gyms");
+        const data = await response.json();
+
+        // API returns array directly
+        if (Array.isArray(data)) {
+          setGyms(data);
+        }
+      } catch (error) {
+        console.error("Failed to fetch gyms:", error);
+      } finally {
+        setLoading(false);
+      }
+    }
+
+    fetchGyms();
+  }, [userRole]);
+
+  const handleGymChange = (gymId: string) => {
+    const params = new URLSearchParams(searchParams.toString());
+
+    if (gymId === "all") {
+      params.delete("gymId");
+    } else {
+      params.set("gymId", gymId);
+    }
+
+    router.push(`?${params.toString()}`);
+  };
+
+  // Only show for superAdmin
+  if (userRole !== "superAdmin") {
+    return null;
+  }
+
+  const selectedGymId = searchParams.get("gymId") ?? "all";
+
+  if (loading) {
+    return (
+      <div className="flex items-center gap-2">
+        <div className="h-9 w-40 animate-pulse rounded-md bg-muted" />
+      </div>
+    );
+  }
+
+  return (
+    <div className="flex items-center gap-2">
+      <select
+        value={selectedGymId}
+        onChange={(e) => handleGymChange(e.target.value)}
+        className="h-9 rounded-md border border-input bg-background px-3 py-1 text-sm shadow-sm transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring"
+      >
+        <option value="all">All Gyms</option>
+        {gyms.map((gym) => (
+          <option key={gym.id} value={gym.id}>
+            {gym.name}
+          </option>
+        ))}
+      </select>
+    </div>
+  );
+}

apps/admin/src/components/providers/QueryProvider.tsx

@@ -0,0 +1,26 @@
+"use client";
+
+import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
+import { useState, type ReactNode } from "react";
+
+interface QueryProviderProps {
+  children: ReactNode;
+}
+
+export function QueryProvider({ children }: QueryProviderProps) {
+  const [queryClient] = useState(
+    () =>
+      new QueryClient({
+        defaultOptions: {
+          queries: {
+            staleTime: 60 * 1000,
+            refetchOnWindowFocus: false,
+          },
+        },
+      }),
+  );
+
+  return (
+    <QueryClientProvider client={queryClient}>{children}</QueryClientProvider>
+  );
+}

apps/admin/src/components/ui/PageHeader.tsx

@@ -0,0 +1,101 @@
+import { cn } from "@/lib/utils";
+import { ChevronRight, Home } from "lucide-react";
+import Link from "next/link";
+
+interface Breadcrumb {
+  label: string;
+  href?: string;
+}
+
+interface PageHeaderProps {
+  title: string;
+  description?: string;
+  breadcrumbs?: Breadcrumb[];
+  actions?: React.ReactNode;
+  className?: string;
+}
+
+export function PageHeader({
+  title,
+  description,
+  breadcrumbs,
+  actions,
+  className,
+}: PageHeaderProps) {
+  return (
+    <div className={cn("space-y-4", className)}>
+      {breadcrumbs && breadcrumbs.length > 0 && (
+        <nav className="flex items-center gap-1 text-sm">
+          <Link
+            href="/"
+            className="flex items-center gap-1 text-muted-foreground hover:text-foreground transition-colors"
+          >
+            <Home className="h-4 w-4" />
+            <span>Home</span>
+          </Link>
+          {breadcrumbs.map((crumb, index) => (
+            <span key={index} className="flex items-center gap-1">
+              <ChevronRight className="h-4 w-4 text-muted-foreground" />
+              {crumb.href ? (
+                <Link
+                  href={crumb.href}
+                  className="text-muted-foreground hover:text-foreground transition-colors"
+                >
+                  {crumb.label}
+                </Link>
+              ) : (
+                <span className="font-medium text-foreground">
+                  {crumb.label}
+                </span>
+              )}
+            </span>
+          ))}
+        </nav>
+      )}
+      <div className="flex items-start justify-between gap-4">
+        <div className="space-y-1">
+          <h1 className="text-3xl font-bold tracking-tight">{title}</h1>
+          {description && (
+            <p className="text-muted-foreground">{description}</p>
+          )}
+        </div>
+        {actions && <div className="flex items-center gap-3">{actions}</div>}
+      </div>
+    </div>
+  );
+}
+
+interface PageSectionProps {
+  title?: string;
+  description?: string;
+  children: React.ReactNode;
+  actions?: React.ReactNode;
+  className?: string;
+}
+
+export function PageSection({
+  title,
+  description,
+  children,
+  actions,
+  className,
+}: PageSectionProps) {
+  return (
+    <section className={cn("space-y-4", className)}>
+      {(title || actions) && (
+        <div className="flex items-start justify-between gap-4">
+          <div className="space-y-1">
+            {title && (
+              <h2 className="text-xl font-semibold tracking-tight">{title}</h2>
+            )}
+            {description && (
+              <p className="text-sm text-muted-foreground">{description}</p>
+            )}
+          </div>
+          {actions && <div className="flex items-center gap-2">{actions}</div>}
+        </div>
+      )}
+      {children}
+    </section>
+  );
+}

apps/admin/src/components/ui/Sidebar.tsx

@@ -9,60 +9,48 @@ import {
   CalendarCheck,
   CreditCard,
   Settings,
-  LogOut,
   Brain,
+  ChevronLeft,
+  Activity,
 } from "lucide-react";
 import { UserButton, useUser } from "@clerk/nextjs";
+import { usePendingRecommendationsCount } from "@/hooks/use-api";
+import { cn } from "@/lib/utils";
 
-interface Recommendation {
-  id: string;
-  status: string;
+interface NavItem {
+  icon: React.ElementType;
+  label: string;
+  href: string;
+  badge?: number;
 }
 
 export function Sidebar() {
   const pathname = usePathname();
   const { user } = useUser();
-  const [pendingCount, setPendingCount] = useState(0);
+  const { data: pendingCount = 0 } = usePendingRecommendationsCount();
   const [mounted, setMounted] = useState(false);
+  const [isCollapsed, setIsCollapsed] = useState(false);
 
   useEffect(() => {
     setMounted(true);
+    const saved = localStorage.getItem("sidebar-collapsed");
+    if (saved) setIsCollapsed(JSON.parse(saved));
   }, []);
 
-  useEffect(() => {
-    const fetchPending = async () => {
-      try {
-        const res = await fetch("/api/recommendations");
-        if (res.ok) {
-          const data = await res.json();
-          const pending = (data.recommendations || []).filter(
-            (r: Recommendation) => r.status === "pending",
-          );
-          setPendingCount(pending.length);
-        }
-      } catch (e) {
-        console.error("Failed to fetch pending recommendations", e);
-      }
-    };
-    fetchPending();
-  }, []);
+  const handleToggle = () => {
+    const newState = !isCollapsed;
+    setIsCollapsed(newState);
+    localStorage.setItem("sidebar-collapsed", JSON.stringify(newState));
+  };
 
-  const menuItems = [
+  const navItems: NavItem[] = [
     { icon: LayoutDashboard, label: "Dashboard", href: "/" },
     { icon: Users, label: "Users", href: "/users" },
     {
       icon: Brain,
-      label: (
-        <span className="flex items-center">
-          AI Recommendations
-          {pendingCount > 0 && (
-            <span className="ml-2 inline-block bg-red-600 text-xs rounded-full px-2 py-0.5">
-              {pendingCount}
-            </span>
-          )}
-        </span>
-      ),
+      label: "AI Recommendations",
       href: "/recommendations",
+      badge: pendingCount > 0 ? pendingCount : undefined,
     },
     { icon: CalendarCheck, label: "Attendance", href: "/attendance" },
     { icon: CreditCard, label: "Payments", href: "/payments" },
@@ -70,59 +58,126 @@ export function Sidebar() {
   ];
 
   return (
-    <aside className="w-20 hover:w-64 bg-slate-900 text-white h-screen fixed left-0 top-0 flex flex-col border-r border-slate-800 transition-all duration-300 z-50 group overflow-hidden">
-      <div className="p-6 border-b border-slate-800 flex items-center overflow-hidden whitespace-nowrap">
-        <h1 className="text-2xl font-bold bg-gradient-to-r from-blue-400 to-indigo-400 bg-clip-text text-transparent opacity-0 group-hover:opacity-100 transition-opacity duration-300">
-          FitAI Admin
-        </h1>
-      </div>
+    <aside
+      className={cn(
+        "fixed left-0 top-0 z-40 h-screen transition-all duration-300 ease-in-out",
+        isCollapsed ? "w-[72px]" : "w-[260px]",
+        "bg-gradient-to-b from-[var(--sidebar-background)] to-[#0f172a]",
+      )}
+    >
+      <div className="flex h-full flex-col border-r border-white/5">
+        {/* Logo */}
+        <div
+          className={cn(
+            "flex h-16 items-center border-b border-white/5 px-4",
+            isCollapsed ? "justify-center" : "justify-between",
+          )}
+        >
+          {!isCollapsed && (
+            <Link href="/" className="flex items-center gap-2">
+              <div className="flex h-9 w-9 items-center justify-center rounded-lg bg-gradient-to-br from-blue-500 to-indigo-600 shadow-lg shadow-blue-500/25">
+                <Activity className="h-5 w-5 text-white" />
+              </div>
+              <span className="text-lg font-bold text-white">FitAI</span>
+            </Link>
+          )}
+          {isCollapsed && (
+            <div className="flex h-9 w-9 items-center justify-center rounded-lg bg-gradient-to-br from-blue-500 to-indigo-600 shadow-lg shadow-blue-500/25">
+              <Activity className="h-5 w-5 text-white" />
+            </div>
+          )}
+        </div>
 
-      <nav className="flex-1 p-4 space-y-2">
-        {menuItems.map((item) => {
-          const Icon = item.icon;
-          const isActive = pathname === item.href;
-          const label =
-            typeof item.label === "string" ? item.label : item.label;
-          return (
-            <Link
-              key={item.href}
-              href={item.href}
-              className={`flex items-center gap-3 px-4 py-3 rounded-lg transition-all duration-200 ${
-                isActive
-                  ? "bg-blue-600 text-white shadow-lg shadow-blue-900/20"
-                  : "text-slate-400 hover:bg-slate-800 hover:text-white"
-              }`}
-            >
-              <div className="min-w-[20px]">
+        {/* Toggle Button */}
+        <button
+          onClick={handleToggle}
+          className={cn(
+            "absolute -right-3 top-20 z-50 flex h-6 w-6 items-center justify-center rounded-full border border-white/10 bg-slate-800 text-white/60 shadow-lg transition-all hover:bg-slate-700 hover:text-white",
+            isCollapsed ? "left-[60px]" : "left-[244px]",
+          )}
+        >
+          <ChevronLeft
+            className={cn(
+              "h-3.5 w-3.5 transition-transform",
+              isCollapsed && "rotate-180",
+            )}
+          />
+        </button>
+
+        {/* Navigation */}
+        <nav className="flex-1 space-y-1 overflow-y-auto p-3">
+          {navItems.map((item) => {
+            const Icon = item.icon;
+            const isActive =
+              pathname === item.href ||
+              (item.href !== "/" && pathname.startsWith(item.href));
+
+            return (
+              <Link
+                key={item.href}
+                href={item.href}
+                className={cn(
+                  "group flex items-center gap-3 rounded-lg px-3 py-2.5 text-sm font-medium transition-all duration-200",
+                  isActive
+                    ? "bg-gradient-to-r from-blue-600 to-blue-500 text-white shadow-lg shadow-blue-500/25"
+                    : "text-slate-400 hover:bg-white/5 hover:text-white",
+                  isCollapsed && "justify-center px-2",
+                )}
+              >
                 <Icon
-                  size={20}
-                  className={
+                  className={cn(
+                    "h-5 w-5 flex-shrink-0 transition-colors",
                     isActive
                       ? "text-white"
-                      : "text-slate-500 group-hover:text-white"
-                  }
+                      : "text-slate-500 group-hover:text-white",
+                  )}
                 />
-              </div>
-              <span className="font-medium opacity-0 group-hover:opacity-100 transition-opacity duration-300 whitespace-nowrap overflow-hidden">
-                {label}
-              </span>
-            </Link>
-          );
-        })}
-      </nav>
+                {!isCollapsed && (
+                  <>
+                    <span className="flex-1">{item.label}</span>
+                    {item.badge !== undefined && (
+                      <span className="flex h-5 min-w-[20px] items-center justify-center rounded-full bg-red-500 px-1.5 text-xs font-bold text-white">
+                        {item.badge > 99 ? "99+" : item.badge}
+                      </span>
+                    )}
+                  </>
+                )}
+                {isCollapsed && item.badge !== undefined && (
+                  <span className="absolute -right-1 -top-1 flex h-4 min-w-[16px] items-center justify-center rounded-full bg-red-500 px-1 text-[10px] font-bold text-white">
+                    {item.badge > 9 ? "9+" : item.badge}
+                  </span>
+                )}
+              </Link>
+            );
+          })}
+        </nav>
 
-      <div className="p-4 border-t border-slate-800">
-        <div className="flex items-center gap-3 px-2 py-3 rounded-lg bg-slate-800/50 overflow-hidden whitespace-nowrap">
-          <div className="min-w-[32px]">
-            {mounted && <UserButton afterSignOutUrl="/" />}
-          </div>
-          <div className="flex-1 min-w-0 opacity-0 group-hover:opacity-100 transition-opacity duration-300">
-            <p className="text-sm font-medium text-white truncate">
-              {user?.fullName || "Admin User"}
-            </p>
-            <p className="text-xs text-slate-400 truncate">
-              {user?.primaryEmailAddress?.emailAddress}
-            </p>
+        {/* User Section */}
+        <div
+          className={cn(
+            "border-t border-white/5 p-3",
+            isCollapsed && "flex justify-center",
+          )}
+        >
+          <div
+            className={cn(
+              "flex items-center gap-3 rounded-lg bg-white/5 p-2 transition-colors hover:bg-white/10",
+              isCollapsed && "justify-center p-2",
+            )}
+          >
+            <div className={cn("flex-shrink-0", isCollapsed ? "" : "ml-1")}>
+              {mounted && <UserButton afterSignOutUrl="/" />}
+            </div>
+            {!isCollapsed && (
+              <div className="min-w-0 flex-1">
+                <p className="truncate text-sm font-medium text-white">
+                  {user?.fullName || "Admin"}
+                </p>
+                <p className="truncate text-xs text-slate-400">
+                  {user?.primaryEmailAddress?.emailAddress}
+                </p>
+              </div>
+            )}
           </div>
         </div>
       </div>

apps/admin/src/components/ui/StatsCard.tsx

@@ -1,51 +1,139 @@
 import { LucideIcon } from "lucide-react";
-import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import { cn } from "@/lib/utils";
+import { TrendingUp, TrendingDown, Minus } from "lucide-react";
 
 interface StatsCardProps {
-    title: string;
-    value: string | number;
-    change?: string;
-    trend?: "up" | "down" | "neutral";
-    icon: LucideIcon;
-    color?: "blue" | "green" | "purple" | "orange";
+  title: string;
+  value: string | number;
+  change?: string;
+  trend?: "up" | "down" | "neutral";
+  icon: LucideIcon;
+  color?: "blue" | "green" | "purple" | "orange" | "red";
+  className?: string;
 }
 
-export function StatsCard({ title, value, change, trend, icon: Icon, color = "blue" }: StatsCardProps) {
-    const colorStyles = {
-        blue: "bg-blue-50 text-blue-600",
-        green: "bg-green-50 text-green-600",
-        purple: "bg-purple-50 text-purple-600",
-        orange: "bg-orange-50 text-orange-600",
-    };
+export function StatsCard({
+  title,
+  value,
+  change,
+  trend,
+  icon: Icon,
+  color = "blue",
+  className,
+}: StatsCardProps) {
+  const colorStyles = {
+    blue: {
+      gradient: "from-blue-500/10 to-blue-600/5",
+      iconBg: "bg-gradient-to-br from-blue-500 to-blue-600",
+      iconShadow: "shadow-blue-500/25",
+      text: "text-blue-600",
+      trendUp: "text-emerald-600",
+      trendDown: "text-red-600",
+    },
+    green: {
+      gradient: "from-emerald-500/10 to-emerald-600/5",
+      iconBg: "bg-gradient-to-br from-emerald-500 to-emerald-600",
+      iconShadow: "shadow-emerald-500/25",
+      text: "text-emerald-600",
+      trendUp: "text-emerald-600",
+      trendDown: "text-red-600",
+    },
+    purple: {
+      gradient: "from-violet-500/10 to-violet-600/5",
+      iconBg: "bg-gradient-to-br from-violet-500 to-violet-600",
+      iconShadow: "shadow-violet-500/25",
+      text: "text-violet-600",
+      trendUp: "text-emerald-600",
+      trendDown: "text-red-600",
+    },
+    orange: {
+      gradient: "from-amber-500/10 to-amber-600/5",
+      iconBg: "bg-gradient-to-br from-amber-500 to-orange-600",
+      iconShadow: "shadow-amber-500/25",
+      text: "text-amber-600",
+      trendUp: "text-emerald-600",
+      trendDown: "text-red-600",
+    },
+    red: {
+      gradient: "from-rose-500/10 to-rose-600/5",
+      iconBg: "bg-gradient-to-br from-rose-500 to-rose-600",
+      iconShadow: "shadow-rose-500/25",
+      text: "text-rose-600",
+      trendUp: "text-emerald-600",
+      trendDown: "text-red-600",
+    },
+  };
 
-    return (
-        <Card>
-            <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
-                <CardTitle className="text-sm font-medium text-muted-foreground">
-                    {title}
-                </CardTitle>
-                <div className={`p-2 rounded-lg ${colorStyles[color]}`}>
-                    <Icon size={16} />
-                </div>
-            </CardHeader>
-            <CardContent>
-                <div className="text-2xl font-bold">{value}</div>
-                {change && (
-                    <p className="text-xs text-muted-foreground mt-1">
-                        <span
-                            className={`font-medium ${trend === "up"
-                                    ? "text-green-600"
-                                    : trend === "down"
-                                        ? "text-red-600"
-                                        : "text-slate-600"
-                                }`}
-                        >
-                            {change}
-                        </span>{" "}
-                        vs last month
-                    </p>
+  const styles = colorStyles[color];
+  const TrendIcon =
+    trend === "up" ? TrendingUp : trend === "down" ? TrendingDown : Minus;
+
+  return (
+    <div
+      className={cn(
+        "group relative overflow-hidden rounded-2xl border border-border/50 bg-gradient-to-br p-6 transition-all duration-300 hover:shadow-lg hover:-translate-y-1",
+        styles.gradient,
+        className,
+      )}
+    >
+      <div className="flex items-start justify-between">
+        <div className="space-y-2">
+          <p className="text-sm font-medium text-muted-foreground">{title}</p>
+          <div className="flex items-baseline gap-2">
+            <span className="text-3xl font-bold tracking-tight">{value}</span>
+          </div>
+          {change && (
+            <div className="flex items-center gap-1 text-sm">
+              <TrendIcon
+                className={cn(
+                  "h-4 w-4",
+                  trend === "up" && styles.trendUp,
+                  trend === "down" && styles.trendDown,
+                  trend === "neutral" && "text-muted-foreground",
                 )}
-            </CardContent>
-        </Card>
-    );
+              />
+              <span
+                className={cn(
+                  "font-medium",
+                  trend === "up" && styles.trendUp,
+                  trend === "down" && styles.trendDown,
+                  trend === "neutral" && "text-muted-foreground",
+                )}
+              >
+                {change}
+              </span>
+              <span className="text-muted-foreground">vs last month</span>
+            </div>
+          )}
+        </div>
+        <div
+          className={cn(
+            "flex h-12 w-12 items-center justify-center rounded-xl bg-gradient-to-br shadow-lg transition-transform duration-300 group-hover:scale-110",
+            styles.iconBg,
+            styles.iconShadow,
+          )}
+        >
+          <Icon className="h-6 w-6 text-white" />
+        </div>
+      </div>
+
+      {/* Decorative corner gradient */}
+      <div className="absolute -right-8 -top-8 h-32 w-32 rounded-full bg-gradient-to-br from-white/20 to-transparent opacity-0 transition-opacity duration-300 group-hover:opacity-100" />
+    </div>
+  );
+}
+
+export function StatsCardSkeleton() {
+  return (
+    <div className="animate-pulse rounded-2xl border border-border/50 bg-gradient-to-br from-muted/30 to-muted/20 p-6">
+      <div className="flex items-start justify-between">
+        <div className="space-y-3">
+          <div className="h-4 w-24 rounded bg-muted" />
+          <div className="h-9 w-32 rounded bg-muted" />
+          <div className="h-4 w-20 rounded bg-muted" />
+        </div>
+        <div className="h-12 w-12 rounded-xl bg-muted" />
+      </div>
+    </div>
+  );
 }

apps/admin/src/components/ui/badge.tsx

@@ -0,0 +1,62 @@
+import { cn } from "@/lib/utils";
+import { cva, type VariantProps } from "class-variance-authority";
+
+const badgeVariants = cva(
+  "inline-flex items-center rounded-full px-2.5 py-0.5 text-xs font-medium transition-colors focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2",
+  {
+    variants: {
+      variant: {
+        default: "bg-primary/10 text-primary",
+        secondary: "bg-secondary text-secondary-foreground",
+        success:
+          "bg-emerald-100 text-emerald-800 dark:bg-emerald-900/30 dark:text-emerald-400",
+        warning:
+          "bg-amber-100 text-amber-800 dark:bg-amber-900/30 dark:text-amber-400",
+        destructive:
+          "bg-red-100 text-red-800 dark:bg-red-900/30 dark:text-red-400",
+        info: "bg-blue-100 text-blue-800 dark:bg-blue-900/30 dark:text-blue-400",
+        outline: "border border-input text-foreground",
+        gray: "bg-slate-100 text-slate-800 dark:bg-slate-800 dark:text-slate-300",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+    },
+  },
+);
+
+export interface BadgeProps
+  extends React.HTMLAttributes<HTMLDivElement>,
+    VariantProps<typeof badgeVariants> {}
+
+export function Badge({ className, variant, ...props }: BadgeProps) {
+  return (
+    <div className={cn(badgeVariants({ variant }), className)} {...props} />
+  );
+}
+
+export function StatusBadge({ status }: { status: string }) {
+  const statusConfig: Record<
+    string,
+    { variant: BadgeProps["variant"]; label: string }
+  > = {
+    active: { variant: "success", label: "Active" },
+    inactive: { variant: "gray", label: "Inactive" },
+    pending: { variant: "warning", label: "Pending" },
+    approved: { variant: "success", label: "Approved" },
+    rejected: { variant: "destructive", label: "Rejected" },
+    completed: { variant: "success", label: "Completed" },
+    failed: { variant: "destructive", label: "Failed" },
+    suspended: { variant: "destructive", label: "Suspended" },
+    basic: { variant: "default", label: "Basic" },
+    premium: { variant: "info", label: "Premium" },
+    vip: { variant: "warning", label: "VIP" },
+  };
+
+  const config = statusConfig[status.toLowerCase()] || {
+    variant: "outline",
+    label: status,
+  };
+
+  return <Badge variant={config.variant}>{config.label}</Badge>;
+}

apps/admin/src/components/ui/button.tsx

@@ -1,49 +1,60 @@
-import React from 'react'
-import { cn } from '@/lib/utils'
-import { Loader2 } from 'lucide-react'
+import React from "react";
+import { cn } from "@/lib/utils";
+import { Loader2 } from "lucide-react";
+import { cva, type VariantProps } from "class-variance-authority";
 
-interface ButtonProps extends React.ButtonHTMLAttributes<HTMLButtonElement> {
-  variant?: 'primary' | 'secondary' | 'ghost' | 'destructive' | 'outline' | 'default'
-  size?: 'default' | 'sm' | 'lg' | 'icon'
-  isLoading?: boolean
-  children: React.ReactNode
+const buttonVariants = cva(
+  "inline-flex items-center justify-center rounded-lg text-sm font-medium transition-all duration-200 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50",
+  {
+    variants: {
+      variant: {
+        default:
+          "bg-primary text-primary-foreground shadow-sm hover:bg-primary/90 hover:shadow",
+        destructive:
+          "bg-destructive text-destructive-foreground shadow-sm hover:bg-destructive/90 hover:shadow",
+        outline:
+          "border border-input bg-background shadow-sm hover:bg-accent hover:text-accent-foreground",
+        secondary:
+          "bg-secondary text-secondary-foreground shadow-sm hover:bg-secondary/80",
+        ghost: "hover:bg-accent hover:text-accent-foreground",
+        link: "text-primary underline-offset-4 hover:underline",
+      },
+      size: {
+        default: "h-10 px-4 py-2",
+        sm: "h-9 rounded-md px-3",
+        lg: "h-11 rounded-md px-8",
+        icon: "h-10 w-10",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  },
+);
+
+export interface ButtonProps
+  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
+    VariantProps<typeof buttonVariants> {
+  isLoading?: boolean;
 }
 
-export function Button({
-  variant = 'primary',
-  size = 'default',
-  isLoading = false,
-  children,
-  className = '',
-  disabled,
-  ...props
-}: ButtonProps) {
-  const baseClasses = 'inline-flex items-center justify-center rounded-md font-medium transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50'
-
-  const variantClasses = {
-    primary: 'bg-blue-600 text-white hover:bg-blue-700 shadow hover:bg-blue-700/90',
-    default: 'bg-blue-600 text-white hover:bg-blue-700 shadow hover:bg-blue-700/90',
-    secondary: 'bg-slate-100 text-slate-900 hover:bg-slate-200/80',
-    ghost: 'hover:bg-slate-100 hover:text-slate-900',
-    destructive: 'bg-red-500 text-white hover:bg-red-600/90',
-    outline: 'border border-input bg-transparent shadow-sm hover:bg-slate-100 hover:text-slate-900'
-  }
-
-  const sizeClasses = {
-    default: 'h-9 px-4 py-2',
-    sm: 'h-8 rounded-md px-3 text-xs',
-    lg: 'h-10 rounded-md px-8',
-    icon: 'h-9 w-9'
-  }
-
-  return (
-    <button
-      className={cn(baseClasses, variantClasses[variant], sizeClasses[size], className)}
-      disabled={disabled || isLoading}
-      {...props}
-    >
-      {isLoading && <Loader2 className="mr-2 h-4 w-4 animate-spin" />}
-      {children}
-    </button>
-  )
-}
+export const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
+  (
+    { className, variant, size, isLoading, children, disabled, ...props },
+    ref,
+  ) => {
+    return (
+      <button
+        className={cn(buttonVariants({ variant, size, className }))}
+        ref={ref}
+        disabled={disabled || isLoading}
+        {...props}
+      >
+        {isLoading && <Loader2 className="mr-2 h-4 w-4 animate-spin" />}
+        {children}
+      </button>
+    );
+  },
+);
+Button.displayName = "Button";

apps/admin/src/components/ui/skeleton.tsx

@@ -0,0 +1,57 @@
+import { cn } from "@/lib/utils";
+
+interface SkeletonProps {
+  className?: string;
+}
+
+export function Skeleton({ className }: SkeletonProps) {
+  return (
+    <div
+      className={cn(
+        "animate-pulse rounded-md bg-slate-200 dark:bg-slate-700",
+        className,
+      )}
+    />
+  );
+}
+
+export function StatsCardSkeleton() {
+  return (
+    <div className="bg-white rounded-xl shadow-sm border border-slate-100 p-6">
+      <div className="flex items-center gap-4">
+        <Skeleton className="h-12 w-12 rounded-full" />
+        <div className="flex-1 space-y-2">
+          <Skeleton className="h-4 w-20" />
+          <Skeleton className="h-8 w-16" />
+        </div>
+      </div>
+    </div>
+  );
+}
+
+export function TableSkeleton({ rows = 5 }: { rows?: number }) {
+  return (
+    <div className="space-y-3">
+      {Array.from({ length: rows }).map((_, i) => (
+        <div key={i} className="flex gap-4">
+          <Skeleton className="h-12 flex-1" />
+          <Skeleton className="h-12 w-32" />
+          <Skeleton className="h-12 w-24" />
+        </div>
+      ))}
+    </div>
+  );
+}
+
+export function CardSkeleton() {
+  return (
+    <div className="bg-white rounded-xl shadow-sm border border-slate-100 p-6 space-y-4">
+      <Skeleton className="h-6 w-40" />
+      <div className="space-y-2">
+        <Skeleton className="h-4 w-full" />
+        <Skeleton className="h-4 w-3/4" />
+        <Skeleton className="h-4 w-5/6" />
+      </div>
+    </div>
+  );
+}

apps/admin/src/components/users/UserGrid.tsx

@@ -9,9 +9,10 @@ import { formatDate } from "@/lib/utils";
 
 ModuleRegistry.registerModules([AllCommunityModule]);
 
-function getTimeAgo(date: Date): string {
+function getTimeAgo(date: Date | string): string {
   const now = new Date();
-  const diffMs = now.getTime() - date.getTime();
+  const d = typeof date === "string" ? new Date(date) : date;
+  const diffMs = now.getTime() - d.getTime();
   const diffMins = Math.floor(diffMs / 60000);
   const diffHours = Math.floor(diffMins / 60);
   const diffDays = Math.floor(diffHours / 24);
@@ -22,7 +23,7 @@ function getTimeAgo(date: Date): string {
   return `${diffDays}d ago`;
 }
 
-interface User {
+export interface User {
   id: string;
   email: string;
   firstName: string;
@@ -31,15 +32,18 @@ interface User {
   phone?: string;
   gymId?: string;
   gymName?: string | null;
-  createdAt: Date;
+  createdAt?: string | Date;
   isCheckedIn?: boolean;
-  checkInTime?: Date;
+  checkInTime?: string | Date;
+  lastCheckInTime?: string | Date;
+  checkInsThisWeek?: number;
+  checkInsThisMonth?: number;
   client?: {
     id: string;
     membershipType: string;
     membershipStatus: string;
-    joinDate: Date;
-    lastVisit?: Date;
+    joinDate: string | Date;
+    lastVisit?: string | Date;
   };
 }
 

apps/admin/src/components/users/UserManagement.tsx

@@ -1,43 +1,27 @@
 "use client";
 
-import { useState, useEffect } from "react";
-import { UserGrid } from "@/components/users/UserGrid";
-// import { Button } from "@/components/ui/button";
+import { useState } from "react";
+import { UserGrid, type User } from "@/components/users/UserGrid";
 import { Card, CardHeader, CardContent } from "@/components/ui/card";
 import { Button } from "@/components/ui/button";
 import { useUser } from "@clerk/nextjs";
-import { getGymIdFromUser } from "@/lib/error-helpers";
 import log from "@/lib/logger";
 import { toast } from "@/lib/toast";
 import { CreateUserModal } from "./CreateUserModal";
+import {
+  useUsers,
+  useGyms,
+  useUpdateUser,
+  useDeleteUser,
+  useSendInvitation,
+} from "@/hooks/use-api";
 
-interface User {
-  id: string;
-  email: string;
-  firstName: string;
-  lastName: string;
-  role: string;
-  phone?: string;
+interface UserManagementProps {
   gymId?: string;
-  createdAt: Date;
-  isCheckedIn?: boolean;
-  checkInTime?: Date;
-  lastCheckInTime?: Date;
-  checkInsThisWeek?: number;
-  checkInsThisMonth?: number;
-  client?: {
-    id: string;
-    membershipType: string;
-    membershipStatus: string;
-    joinDate: Date;
-    lastVisit?: Date;
-  };
 }
 
-export function UserManagement() {
+export function UserManagement({ gymId }: UserManagementProps) {
   const { user } = useUser();
-  const [users, setUsers] = useState<User[]>([]);
-  const [loading, setLoading] = useState(true);
   const [filter, setFilter] = useState<string>("all");
   const [selectedUser, setSelectedUser] = useState<User | null>(null);
   const [isEditing, setIsEditing] = useState(false);
@@ -52,68 +36,18 @@ export function UserManagement() {
     gymId: string;
   } | null>(null);
 
-  // Active gyms for dropdown
-  const [gyms, setGyms] = useState<Array<{ id: string; name: string }>>([]);
-
-  // Load gyms when modal opens or refreshes
-  useEffect(() => {
-    if (isEditing) {
-      (async () => {
-        try {
-          const res = await fetch("/api/gyms");
-          const data = await res.json();
-          if (Array.isArray(data)) {
-            // map down to id and name to avoid extra payload use here
-            setGyms(data.map((g: any) => ({ id: g.id, name: g.name })));
-          } else {
-            setGyms([]);
-          }
-        } catch {
-          setGyms([]);
-        }
-      })();
-    }
-  }, [isEditing]);
-
-  useEffect(() => {
-    fetchUsers();
-  }, [filter]);
-
-  const fetchUsers = async () => {
-    setLoading(true);
-    try {
-      const ts = Date.now();
-      const url =
-        filter === "all"
-          ? `/api/users?ts=${ts}`
-          : `/api/users?role=${filter}&ts=${ts}`;
-
-      log.debug("Fetching users", { url });
-      const response = await fetch(url, { cache: "no-store" });
-      log.debug("Users fetch response", {
-        ok: response.ok,
-        status: response.status,
-      });
-      const responseData = await response.json();
-      const data = responseData.data || responseData; // Handle both old and new API response formats
-      log.debug("Received users data", {
-        count: Array.isArray(data.users) ? data.users.length : 0,
-        sample:
-          data.users && data.users[0]
-            ? {
-                id: data.users[0].id,
-                gymId: data.users[0].gymId,
-                role: data.users[0].role,
-              }
-            : null,
-      });
-      setUsers(data.users || []);
-    } catch (error) {
-      log.error("Failed to fetch users", error);
-    } finally {
-      setLoading(false);
-    }
-  };
+  const {
+    data: users = [],
+    isLoading,
+    refetch,
+  } = useUsers({
+    role: filter !== "all" ? filter : undefined,
+    gymId,
+  });
+  const { data: gyms = [] } = useGyms();
+  const updateUser = useUpdateUser();
+  const deleteUser = useDeleteUser();
+  const sendInvitation = useSendInvitation();
 
   const handleUserSelect = (user: User | null) => {
     setSelectedUser(user);
@@ -144,17 +78,12 @@ export function UserManagement() {
       return;
 
     try {
-      const response = await fetch("/api/users", {
-        method: "DELETE",
-        headers: { "Content-Type": "application/json" },
-        body: JSON.stringify({ ids: users.map((u) => u.id) }),
-      });
-      if (response.ok) {
-        fetchUsers();
-        toast.success("Users deleted successfully");
-      } else {
-        toast.error("Error deleting users");
-      }
+      const deletePromises = users.map((u) =>
+        fetch(`/api/users?id=${u.id}`, { method: "DELETE" }),
+      );
+      await Promise.all(deletePromises);
+      refetch();
+      toast.success("Users deleted successfully");
     } catch (error) {
       log.error("Failed to delete users", error);
     }
@@ -196,7 +125,7 @@ export function UserManagement() {
   };
 
   const handleRefresh = () => {
-    fetchUsers();
+    refetch();
   };
 
   const handleSaveEdit = async () => {
@@ -204,7 +133,6 @@ export function UserManagement() {
 
     try {
       if (selectedUser) {
-        // Update existing user
         const payload = {
           id: selectedUser.id,
           email: editForm.email,
@@ -214,80 +142,21 @@ export function UserManagement() {
           phone: editForm.phone,
           gymId: editForm.gymId === "" ? null : editForm.gymId,
         };
-        log.debug("Updating user", payload);
-        const response = await fetch("/api/users", {
-          method: "PUT",
-          headers: { "Content-Type": "application/json" },
-          body: JSON.stringify(payload),
-        });
-        log.debug("User update response", {
-          ok: response.ok,
-          status: response.status,
-        });
-        if (response.ok) {
-          // Optimistically update local state so grid reflects changes immediately
-          setUsers((prev) =>
-            prev.map((u) =>
-              u.id === selectedUser.id
-                ? {
-                    ...u,
-                    email: editForm.email,
-                    firstName: editForm.firstName,
-                    lastName: editForm.lastName,
-                    role: editForm.role,
-                    phone: editForm.phone || undefined,
-                    gymId: editForm.gymId === "" ? undefined : editForm.gymId,
-                  }
-                : u,
-            ),
-          );
-          setSelectedUser((prev) =>
-            prev
-              ? {
-                  ...prev,
-                  email: editForm.email,
-                  firstName: editForm.firstName,
-                  lastName: editForm.lastName,
-                  role: editForm.role,
-                  phone: editForm.phone || undefined,
-                  gymId: editForm.gymId === "" ? undefined : editForm.gymId,
-                }
-              : prev,
-          );
-          setIsEditing(false);
-          setEditForm(null);
-          // Still re-fetch from server to ensure consistency
-          log.debug("Re-fetching users after successful edit");
-          fetchUsers();
-          toast.success("User updated successfully");
-        } else {
-          const errText = await response.text().catch(() => "");
-          log.error("User update failed", new Error(errText), {
-            status: response.status,
-          });
-          toast.error("Error updating user");
-        }
-      } else {
-        // Create (Invite) new user
-        const response = await fetch("/api/invitations", {
-          method: "POST",
-          headers: { "Content-Type": "application/json" },
-          body: JSON.stringify({
-            inviteeEmail: editForm.email,
-            roleAssigned: editForm.role,
-            gymId: editForm.gymId || undefined,
-          }),
-        });
 
-        if (response.ok) {
-          setIsEditing(false);
-          setEditForm(null);
-          fetchUsers();
-          toast.success("Invitation sent successfully!");
-        } else {
-          const errorData = await response.json();
-          toast.error(`Error sending invitation: ${errorData.error}`);
-        }
+        await updateUser.mutateAsync(payload);
+        setIsEditing(false);
+        setEditForm(null);
+        refetch();
+        toast.success("User updated successfully");
+      } else {
+        await sendInvitation.mutateAsync({
+          email: editForm.email,
+          role: editForm.role,
+        });
+        setIsEditing(false);
+        setEditForm(null);
+        refetch();
+        toast.success("Invitation sent successfully!");
       }
     } catch (error) {
       console.error(error);
@@ -299,17 +168,11 @@ export function UserManagement() {
     if (!selectedUser) return;
 
     try {
-      const response = await fetch(`/api/users?id=${selectedUser.id}`, {
-        method: "DELETE",
-      });
-      if (response.ok) {
-        setIsDeleting(false);
-        setSelectedUser(null);
-        fetchUsers();
-        toast.success("User deleted successfully");
-      } else {
-        toast.error("Error deleting user");
-      }
+      await deleteUser.mutateAsync(selectedUser.id);
+      setIsDeleting(false);
+      setSelectedUser(null);
+      refetch();
+      toast.success("User deleted successfully");
     } catch (error) {
       log.error("Failed to delete user", error);
     }
@@ -397,7 +260,7 @@ export function UserManagement() {
             onEditUser={handleEditUser}
             onDeleteUser={handleDeleteUser}
             onBulkDelete={handleBulkDelete}
-            loading={loading}
+            loading={isLoading}
           />
         </CardContent>
       </Card>
@@ -591,7 +454,9 @@ export function UserManagement() {
                   </p>
                   <p>
                     <span className="font-medium">Joined:</span>{" "}
-                    {new Date(selectedUser.createdAt).toLocaleDateString()}
+                    {selectedUser.createdAt
+                      ? new Date(selectedUser.createdAt).toLocaleDateString()
+                      : "N/A"}
                   </p>
                 </div>
               </div>
@@ -653,7 +518,7 @@ export function UserManagement() {
       <CreateUserModal
         open={createModalOpen}
         onOpenChange={setCreateModalOpen}
-        onSuccess={() => fetchUsers()}
+        onSuccess={() => refetch()}
       />
     </div>
   );

apps/admin/src/hooks/use-api.ts

@@ -0,0 +1,385 @@
+import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
+
+export interface DashboardStats {
+  totalUsers: number;
+  activeClients: number;
+  totalRevenue: number;
+  revenueGrowth: number;
+}
+
+export interface User {
+  id: string;
+  email: string;
+  firstName: string;
+  lastName: string;
+  role: string;
+  phone?: string;
+  gymId?: string;
+  gymName?: string | null;
+  createdAt?: string;
+  isCheckedIn?: boolean;
+  checkInTime?: string;
+  lastCheckInTime?: string;
+  checkInsThisWeek?: number;
+  checkInsThisMonth?: number;
+  client?: {
+    id: string;
+    membershipType: string;
+    membershipStatus: string;
+    joinDate: string;
+    lastVisit?: string;
+  };
+}
+
+export interface Recommendation {
+  id: string;
+  userId: string;
+  type: string;
+  title: string;
+  description: string;
+  content?: string;
+  recommendationText?: string;
+  activityPlan?: string;
+  dietPlan?: string;
+  status: "pending" | "approved" | "rejected";
+  createdAt: string;
+  user?: User;
+}
+
+export interface Gym {
+  id: string;
+  name: string;
+  address?: string;
+}
+
+export interface AttendanceRecord {
+  id: string;
+  userId: string;
+  checkIn: string;
+  checkOut?: string;
+  date: string;
+  type?: string;
+}
+
+async function fetchApi<T>(url: string, options?: RequestInit): Promise<T> {
+  const response = await fetch(url, {
+    ...options,
+    headers: {
+      "Content-Type": "application/json",
+      ...options?.headers,
+    },
+  });
+
+  if (!response.ok) {
+    const error = await response
+      .json()
+      .catch(() => ({ error: "Request failed" }));
+    throw new Error(error.error || `HTTP ${response.status}`);
+  }
+
+  return response.json();
+}
+
+export function useDashboardStats(gymId?: string) {
+  return useQuery({
+    queryKey: ["dashboard-stats", gymId],
+    queryFn: () => {
+      const url = gymId
+        ? `/api/admin/stats?gymId=${gymId}`
+        : "/api/admin/stats";
+      return fetchApi<{ data: { stats: DashboardStats } }>(url).then(
+        (res) => res.data?.stats,
+      );
+    },
+  });
+}
+
+export function useUsers(filters?: {
+  role?: string;
+  gymId?: string;
+  search?: string;
+}) {
+  const params = new URLSearchParams();
+  if (filters?.role) params.set("role", filters.role);
+  if (filters?.gymId) params.set("gymId", filters.gymId);
+  if (filters?.search) params.set("search", filters.search);
+
+  const queryString = params.toString();
+  const url = queryString ? `/api/users?${queryString}` : "/api/users";
+
+  return useQuery({
+    queryKey: ["users", filters],
+    queryFn: () =>
+      fetchApi<{ data: { users: User[] } }>(url).then(
+        (res) => res.data?.users ?? [],
+      ),
+  });
+}
+
+export function useUser(userId: string) {
+  return useQuery({
+    queryKey: ["user", userId],
+    queryFn: () =>
+      fetchApi<{ data: { user: User } }>(`/api/users?id=${userId}`).then(
+        (res) => res.data?.user,
+      ),
+    enabled: !!userId,
+  });
+}
+
+export function useRecommendations(filters?: {
+  userId?: string;
+  status?: string;
+}) {
+  const params = new URLSearchParams();
+  if (filters?.userId) params.set("userId", filters.userId);
+  if (filters?.status) params.set("status", filters.status);
+
+  const queryString = params.toString();
+  const url = queryString
+    ? `/api/recommendations?${queryString}`
+    : "/api/recommendations";
+
+  return useQuery({
+    queryKey: ["recommendations", filters],
+    queryFn: () =>
+      fetchApi<{ data: { recommendations: Recommendation[] } }>(url).then(
+        (res) => res.data?.recommendations ?? [],
+      ),
+  });
+}
+
+export function usePendingRecommendationsCount() {
+  return useQuery({
+    queryKey: ["pending-recommendations-count"],
+    queryFn: () =>
+      fetchApi<{ data: { recommendations: Recommendation[] } }>(
+        "/api/recommendations",
+      ).then(
+        (res) =>
+          (res.data?.recommendations ?? []).filter(
+            (r) => r.status === "pending",
+          ).length,
+      ),
+    refetchInterval: 30000,
+  });
+}
+
+export function useGyms() {
+  return useQuery({
+    queryKey: ["gyms"],
+    queryFn: () =>
+      fetchApi<{ data: { gyms: Gym[] } }>("/api/gyms").then(
+        (res) => res.data?.gyms ?? [],
+      ),
+  });
+}
+
+export function useAttendance(filters?: { userId?: string; date?: string }) {
+  const params = new URLSearchParams();
+  if (filters?.userId) params.set("userId", filters.userId);
+  if (filters?.date) params.set("date", filters.date);
+
+  const queryString = params.toString();
+  const url = queryString
+    ? `/api/admin/attendance?${queryString}`
+    : "/api/admin/attendance";
+
+  return useQuery({
+    queryKey: ["attendance", filters],
+    queryFn: () =>
+      fetchApi<{ data: { records: AttendanceRecord[] } }>(url).then(
+        (res) => res.data?.records ?? [],
+      ),
+  });
+}
+
+export function useCreateUser() {
+  const queryClient = useQueryClient();
+
+  return useMutation({
+    mutationFn: (data: {
+      email: string;
+      firstName: string;
+      lastName: string;
+      role: string;
+      phone?: string;
+      gymId?: string;
+    }) =>
+      fetchApi<{ data: { userId: string } }>("/api/users/create", {
+        method: "POST",
+        body: JSON.stringify(data),
+      }).then((res) => res.data),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["users"] });
+      queryClient.invalidateQueries({ queryKey: ["dashboard-stats"] });
+    },
+  });
+}
+
+export function useUpdateUser() {
+  const queryClient = useQueryClient();
+
+  return useMutation({
+    mutationFn: (data: { id: string; [key: string]: unknown }) =>
+      fetchApi<{ data: { success: boolean } }>(`/api/users?id=${data.id}`, {
+        method: "PUT",
+        body: JSON.stringify(data),
+      }),
+    onSuccess: (_, variables) => {
+      queryClient.invalidateQueries({ queryKey: ["users"] });
+      queryClient.invalidateQueries({ queryKey: ["user", variables.id] });
+    },
+  });
+}
+
+export function useDeleteUser() {
+  const queryClient = useQueryClient();
+
+  return useMutation({
+    mutationFn: (userId: string) =>
+      fetchApi<{ data: { success: boolean } }>(`/api/users?id=${userId}`, {
+        method: "DELETE",
+      }),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["users"] });
+      queryClient.invalidateQueries({ queryKey: ["dashboard-stats"] });
+    },
+  });
+}
+
+export function useGenerateRecommendations() {
+  const queryClient = useQueryClient();
+
+  return useMutation({
+    mutationFn: (userId?: string) =>
+      fetchApi<{
+        data: { success: boolean; recommendations?: Recommendation[] };
+      }>("/api/recommendations/generate", {
+        method: "POST",
+        body: userId ? JSON.stringify({ userId }) : undefined,
+      }),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["recommendations"] });
+      queryClient.invalidateQueries({
+        queryKey: ["pending-recommendations-count"],
+      });
+    },
+  });
+}
+
+export function useApproveRecommendation() {
+  const queryClient = useQueryClient();
+
+  return useMutation({
+    mutationFn: (data: { recommendationId: string; approved: boolean }) =>
+      fetchApi<{ data: { success: boolean } }>("/api/recommendations/approve", {
+        method: "POST",
+        body: JSON.stringify(data),
+      }),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["recommendations"] });
+      queryClient.invalidateQueries({
+        queryKey: ["pending-recommendations-count"],
+      });
+    },
+  });
+}
+
+export function useUpdateRecommendation() {
+  const queryClient = useQueryClient();
+
+  return useMutation({
+    mutationFn: (data: {
+      id: string;
+      content?: string;
+      activityPlan?: string;
+      dietPlan?: string;
+    }) =>
+      fetchApi<{ data: { success: boolean } }>("/api/recommendations", {
+        method: "PUT",
+        body: JSON.stringify(data),
+      }),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["recommendations"] });
+    },
+  });
+}
+
+export function useCheckIn() {
+  const queryClient = useQueryClient();
+
+  return useMutation({
+    mutationFn: (userId: string) =>
+      fetchApi<{ data: { success: boolean; record: AttendanceRecord } }>(
+        "/api/attendance/check-in",
+        {
+          method: "POST",
+          body: JSON.stringify({ userId }),
+        },
+      ),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["attendance"] });
+    },
+  });
+}
+
+export function useCheckOut() {
+  const queryClient = useQueryClient();
+
+  return useMutation({
+    mutationFn: (userId: string) =>
+      fetchApi<{ data: { success: boolean } }>("/api/attendance/check-out", {
+        method: "POST",
+        body: JSON.stringify({ userId }),
+      }),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["attendance"] });
+    },
+  });
+}
+
+export function useInvitations() {
+  return useQuery({
+    queryKey: ["invitations"],
+    queryFn: () =>
+      fetchApi<{ data: { invitations: unknown[] } }>("/api/invitations").then(
+        (res) => res.data?.invitations ?? [],
+      ),
+  });
+}
+
+export function useSendInvitation() {
+  const queryClient = useQueryClient();
+
+  return useMutation({
+    mutationFn: (data: { email: string; role: string }) =>
+      fetchApi<{ data: { success: boolean } }>("/api/invitations", {
+        method: "POST",
+        body: JSON.stringify(data),
+      }),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["invitations"] });
+    },
+  });
+}
+
+export interface AnalyticsData {
+  userGrowth: { label: string; value: number }[];
+  membershipDistribution: { label: string; value: number; color: string }[];
+  revenue: { label: string; value: number; color: string }[];
+}
+
+export function useAnalytics(months: number = 6, gymId?: string) {
+  return useQuery({
+    queryKey: ["analytics", months, gymId],
+    queryFn: () => {
+      const url = gymId
+        ? `/api/admin/analytics?months=${months}&gymId=${gymId}`
+        : `/api/admin/analytics?months=${months}`;
+      return fetchApi<{ data: { analytics: AnalyticsData } }>(url).then(
+        (res) => res.data?.analytics,
+      );
+    },
+  });
+}

apps/admin/src/lib/auth/context.ts

@@ -0,0 +1,231 @@
+import { NextRequest, NextResponse } from "next/server";
+import { auth } from "@clerk/nextjs/server";
+import { USER_ROLES, type UserRole } from "@fitai/shared";
+import { getDatabase } from "../database";
+
+export interface AuthContext {
+  userId: string;
+  role: UserRole;
+  gymId: string | null;
+}
+
+export interface AuthResult extends AuthContext {}
+
+/**
+ * Get the full authentication context including gymId
+ * Combines Clerk session claims with database lookup for accurate gym assignment
+ *
+ * @returns AuthContext with userId, role, and gymId
+ *
+ * @example
+ * const { userId, role, gymId } = await getAuthContext();
+ * // userId: "user_abc123"
+ * // role: "admin"
+ * // gymId: "gym_xyz"
+ */
+export async function getAuthContext(): Promise<AuthContext> {
+  const { userId, sessionClaims } = await auth();
+
+  if (!userId) {
+    throw new Error("Unauthorized: No authenticated user");
+  }
+
+  // Get role from Clerk metadata
+  const role = (sessionClaims?.metadata as { role?: UserRole })?.role;
+
+  if (!role || !USER_ROLES.includes(role)) {
+    throw new Error(`Forbidden: Invalid or missing role - ${role}`);
+  }
+
+  // Get gymId from Clerk metadata or database
+  let gymId: string | null = null;
+
+  // First try Clerk metadata (faster path)
+  const clerkGymId = (sessionClaims?.metadata as { gymId?: string })?.gymId;
+  if (clerkGymId) {
+    gymId = clerkGymId;
+  } else {
+    // Fallback to database lookup
+    try {
+      const db = await getDatabase();
+      const user = await db.getUserById(userId);
+      gymId = user?.gymId ?? null;
+    } catch (error) {
+      console.error("Failed to get gymId from database:", error);
+      gymId = null;
+    }
+  }
+
+  return { userId, role, gymId };
+}
+
+/**
+ * Middleware to require authentication and optionally check user role
+ * Enhanced version that also retrieves gymId
+ *
+ * @param allowedRoles - Array of roles allowed to access the endpoint (optional)
+ * @returns Authentication result with userId, role, and gymId, or NextResponse error
+ *
+ * @example
+ * export async function DELETE(request: NextRequest) {
+ *   const authResult = await requireAuth(["admin", "superAdmin"]);
+ *   if (authResult instanceof NextResponse) return authResult;
+ *   const { userId, role, gymId } = authResult;
+ *   // ... proceed with authorized logic
+ * }
+ */
+export async function requireAuth(
+  allowedRoles?: UserRole[],
+): Promise<AuthResult | NextResponse> {
+  try {
+    const context = await getAuthContext();
+
+    // Check if user has required role
+    if (allowedRoles && allowedRoles.length > 0) {
+      if (!allowedRoles.includes(context.role)) {
+        return NextResponse.json(
+          {
+            error: `Forbidden - Requires one of: ${allowedRoles.join(", ")}`,
+            requiredRoles: allowedRoles,
+            userRole: context.role,
+          },
+          { status: 403 },
+        );
+      }
+    }
+
+    return context;
+  } catch (error) {
+    const message = error instanceof Error ? error.message : "Unknown error";
+
+    if (message.includes("Unauthorized")) {
+      return NextResponse.json(
+        { error: "Unauthorized - Authentication required" },
+        { status: 401 },
+      );
+    }
+
+    if (message.includes("Forbidden")) {
+      return NextResponse.json({ error: message }, { status: 403 });
+    }
+
+    return NextResponse.json(
+      { error: "Internal server error" },
+      { status: 500 },
+    );
+  }
+}
+
+/**
+ * Require authentication with gym access validation
+ * Use this for endpoints that need to verify the user can access a specific gym
+ *
+ * @param allowedRoles - Roles allowed to access this endpoint
+ * @param requiredGymId - Gym ID that must be accessed (optional - uses user's gym if not provided)
+ * @returns AuthResult with full context, or NextResponse error
+ *
+ * @example
+ * // Admin accessing their own gym
+ * const result = await requireGymAccess(["admin"]);
+ *
+ * // SuperAdmin accessing specific gym
+ * const result = await requireGymAccess(["superAdmin"], "gym_123");
+ */
+export async function requireGymAccess(
+  allowedRoles: UserRole[],
+  requiredGymId?: string,
+): Promise<AuthResult | NextResponse> {
+  const authResult = await requireAuth(allowedRoles);
+
+  if (authResult instanceof NextResponse) {
+    return authResult;
+  }
+
+  const { role, gymId: userGymId } = authResult;
+
+  // Determine target gym
+  const targetGymId = requiredGymId ?? userGymId;
+
+  // SuperAdmin can access any gym
+  if (role === "superAdmin") {
+    return { ...authResult, gymId: targetGymId };
+  }
+
+  // Other roles must have matching gym
+  if (!targetGymId) {
+    return NextResponse.json(
+      { error: "Forbidden - User is not assigned to a gym" },
+      { status: 403 },
+    );
+  }
+
+  if (userGymId !== targetGymId) {
+    return NextResponse.json(
+      { error: "Forbidden - Cannot access other gym's data" },
+      { status: 403 },
+    );
+  }
+
+  return { ...authResult, gymId: targetGymId };
+}
+
+/**
+ * Get the target gym ID from request for superAdmin context switching
+ * SuperAdmins can pass ?gymId to view specific gym data
+ *
+ * @param request - NextRequest with query params
+ * @param userRole - Current user's role
+ * @param userGymId - Current user's gym ID
+ * @returns Target gym ID or undefined for superAdmin viewing all
+ *
+ * @example
+ * const targetGymId = getTargetGymId(request, role, gymId);
+ * // For superAdmin with ?gymId=abc -> "abc"
+ * // For superAdmin without param -> undefined (all gyms)
+ * // For admin -> always returns their gymId
+ */
+export function getTargetGymId(
+  request: NextRequest,
+  userRole: UserRole,
+  userGymId: string | null,
+): string | undefined {
+  // For superAdmin, allow gymId query param for context switching
+  if (userRole === "superAdmin") {
+    const queryGymId = request.nextUrl.searchParams.get("gymId");
+    return queryGymId ?? undefined;
+  }
+
+  // For other roles, they can only access their own gym
+  return userGymId ?? undefined;
+}
+
+/**
+ * Check if the authenticated user is trying to modify their own account
+ * Useful for preventing self-deletion or self-demotion
+ */
+export function isSelfModification(
+  userId: string,
+  targetUserId: string,
+): boolean {
+  return userId === targetUserId;
+}
+
+/**
+ * Validate that an admin isn't demoting themselves or deleting their own account
+ */
+export function preventSelfModification(
+  userId: string,
+  targetUserId: string,
+  action: string,
+): NextResponse | undefined {
+  if (isSelfModification(userId, targetUserId)) {
+    return NextResponse.json(
+      {
+        error: `Cannot ${action} your own account`,
+        hint: "Ask another administrator to perform this action",
+      },
+      { status: 403 },
+    );
+  }
+  return undefined;
+}

apps/admin/src/lib/auth/permissions.ts

@@ -0,0 +1,249 @@
+import type { UserRole } from "@fitai/shared";
+import { NextResponse } from "next/server";
+
+/**
+ * Check if a user can access data from a specific gym
+ *
+ * @param userRole - The role of the requesting user
+ * @param userGymId - The gym ID of the requesting user (null for superAdmin)
+ * @param targetGymId - The gym ID being accessed (undefined means all gyms)
+ * @returns true if access is allowed
+ *
+ * @example
+ * // SuperAdmin accessing any gym
+ * canAccessGym("superAdmin", null, "gym_123") // true
+ *
+ * // Admin accessing their own gym
+ * canAccessGym("admin", "gym_abc", "gym_abc") // true
+ *
+ * // Admin trying to access other gym
+ * canAccessGym("admin", "gym_abc", "gym_xyz") // false
+ */
+export function canAccessGym(
+  userRole: UserRole,
+  userGymId: string | null,
+  targetGymId: string | undefined,
+): boolean {
+  // SuperAdmin can access any gym
+  if (userRole === "superAdmin") {
+    return true;
+  }
+
+  // If no target gym specified, allow access to own gym
+  if (targetGymId === undefined) {
+    return true;
+  }
+
+  // Non-superAdmins must have a gymId
+  if (!userGymId) {
+    return false;
+  }
+
+  // Must match the gym
+  return userGymId === targetGymId;
+}
+
+/**
+ * Check if a user can manage (create/update/delete) another user
+ * Based on role hierarchy and gym membership
+ *
+ * @param requesterRole - Role of the user making the request
+ * @param requesterGymId - Gym ID of the requesting user
+ * @param targetRole - Role of the user being managed
+ * @param targetGymId - Gym ID of the user being managed
+ * @returns true if management is allowed
+ *
+ * @example
+ * // SuperAdmin can manage anyone
+ * canManageUser("superAdmin", null, "admin", "gym_abc") // true
+ *
+ * // Admin can manage trainers and clients in their gym
+ * canManageUser("admin", "gym_abc", "trainer", "gym_abc") // true
+ * canManageUser("admin", "gym_abc", "client", "gym_abc") // true
+ *
+ * // Admin cannot manage users in other gyms
+ * canManageUser("admin", "gym_abc", "trainer", "gym_xyz") // false
+ *
+ * // Trainer can manage clients in their gym
+ * canManageUser("trainer", "gym_abc", "client", "gym_abc") // true
+ */
+export function canManageUser(
+  requesterRole: UserRole,
+  requesterGymId: string | null,
+  targetRole: UserRole,
+  targetGymId: string | null,
+): boolean {
+  // SuperAdmin can manage anyone
+  if (requesterRole === "superAdmin") {
+    return true;
+  }
+
+  // Role hierarchy: admin > trainer > client
+  const roleHierarchy: Record<UserRole, number> = {
+    superAdmin: 4,
+    admin: 3,
+    trainer: 2,
+    client: 1,
+  };
+
+  const requesterLevel = roleHierarchy[requesterRole];
+  const targetLevel = roleHierarchy[targetRole];
+
+  // Cannot manage users at same or higher level
+  if (requesterLevel <= targetLevel) {
+    return false;
+  }
+
+  // Must have gym access
+  if (!requesterGymId) {
+    return false;
+  }
+
+  // For admin/trainer, target must be in same gym
+  if (requesterRole === "admin" || requesterRole === "trainer") {
+    return requesterGymId === targetGymId;
+  }
+
+  return false;
+}
+
+/**
+ * Check if a trainer can access a specific client's data
+ * Trainer must be assigned to that client via trainerClients table
+ *
+ * @param trainerGymId - Gym ID of the trainer
+ * @param clientGymId - Gym ID of the client
+ * @returns true if in same gym
+ *
+ * @note In a more complex system, this would query trainerClients table
+ * For now, we use gym-based access (trainer and client in same gym)
+ */
+export function canTrainerAccessClient(
+  trainerGymId: string | null,
+  clientGymId: string | null,
+): boolean {
+  if (!trainerGymId || !clientGymId) {
+    return false;
+  }
+  return trainerGymId === clientGymId;
+}
+
+/**
+ * Get the roles that a specific role can invite
+ * Based on role hierarchy
+ *
+ * @param role - The role wanting to invite
+ * @returns Array of roles that can be invited
+ *
+ * @example
+ * getInvitableRoles("superAdmin") // ["admin", "trainer", "client"]
+ * getInvitableRoles("admin")      // ["trainer", "client"]
+ * getInvitableRoles("trainer")    // ["client"]
+ * getInvitableRoles("client")     // []
+ */
+export function getInvitableRoles(role: UserRole): UserRole[] {
+  const invitationRules: Record<UserRole, UserRole[]> = {
+    superAdmin: ["admin", "trainer", "client"],
+    admin: ["trainer", "client"],
+    trainer: ["client"],
+    client: [],
+  };
+
+  return invitationRules[role] ?? [];
+}
+
+/**
+ * Validate gym access and return error response if denied
+ * Use this in API routes to enforce gym-based access control
+ *
+ * @param request - NextRequest for getting query params
+ * @param userRole - Current user's role
+ * @param userGymId - Current user's gym ID
+ * @param targetGymId - Gym being accessed (optional)
+ * @returns NextResponse if denied, undefined if allowed
+ *
+ * @example
+ * export async function GET(request: NextRequest) {
+ *   const error = await validateGymAccess(request, role, gymId);
+ *   if (error) return error;
+ *   // ... proceed
+ * }
+ */
+export function validateGymAccess(
+  userRole: UserRole,
+  userGymId: string | null,
+  targetGymId?: string,
+): NextResponse | undefined {
+  if (!canAccessGym(userRole, userGymId, targetGymId)) {
+    return NextResponse.json(
+      { error: "Forbidden - Cannot access this gym's data" },
+      { status: 403 },
+    );
+  }
+  return undefined;
+}
+
+/**
+ * Get filter condition for gym-scoped queries
+ * Returns appropriate filter based on user role
+ *
+ * @param userRole - Current user's role
+ * @param userGymId - Current user's gym ID
+ * @returns Filter object or undefined (no filter = all gyms)
+ *
+ * @example
+ * // For superAdmin: returns undefined (no filter)
+ * getGymFilter("superAdmin", null) // undefined
+ *
+ * // For admin: returns { gymId: "gym_abc" }
+ * getGymFilter("admin", "gym_abc") // { gymId: "gym_abc" }
+ */
+export function getGymFilter(
+  userRole: UserRole,
+  userGymId: string | null,
+): { gymId: string } | undefined {
+  // SuperAdmin sees all gyms
+  if (userRole === "superAdmin") {
+    return undefined;
+  }
+
+  // Other roles filtered by their gym
+  if (userGymId) {
+    return { gymId: userGymId };
+  }
+
+  // No gym assigned - return filter that matches nothing
+  return { gymId: "" };
+}
+
+/**
+ * Get all gym IDs a user can access
+ * SuperAdmin gets all gyms, others get only their own
+ *
+ * @param userRole - Current user's role
+ * @param userGymId - Current user's gym ID
+ * @param allGymIds - List of all gym IDs in system (for superAdmin)
+ * @returns Array of accessible gym IDs
+ *
+ * @example
+ * getAccessibleGymIds("admin", "gym_abc", ["gym_abc", "gym_xyz"])
+ * // Returns: ["gym_abc"]
+ *
+ * getAccessibleGymIds("superAdmin", null, ["gym_abc", "gym_xyz"])
+ * // Returns: ["gym_abc", "gym_xyz"]
+ */
+export function getAccessibleGymIds(
+  userRole: UserRole,
+  userGymId: string | null,
+  allGymIds: string[],
+): string[] {
+  if (userRole === "superAdmin") {
+    return allGymIds;
+  }
+
+  if (userGymId) {
+    return [userGymId];
+  }
+
+  return [];
+}

apps/admin/src/lib/gym-context.ts

@@ -0,0 +1,149 @@
+import { getDatabase } from "@/lib/database";
+
+/**
+ * Get users filtered by gym ID
+ *
+ * @param gymId - Gym ID to filter by (undefined returns all users for superAdmin)
+ * @returns Array of users in the gym
+ */
+export async function getUsersByGym(gymId?: string) {
+  const db = await getDatabase();
+  const allUsers = await db.getAllUsers();
+
+  if (!gymId) {
+    return allUsers;
+  }
+
+  return allUsers.filter((u) => u.gymId === gymId);
+}
+
+/**
+ * Get clients filtered by gym ID
+ *
+ * @param gymId - Gym ID to filter by
+ * @returns Array of clients in the gym
+ */
+export async function getClientsByGym(gymId: string) {
+  const db = await getDatabase();
+  const allUsers = await db.getAllUsers();
+  const allClients = await db.getAllClients();
+
+  const gymClientUserIds = allUsers
+    .filter((u) => u.gymId === gymId && u.role === "client")
+    .map((u) => u.id);
+
+  if (gymClientUserIds.length === 0) {
+    return [];
+  }
+
+  return allClients.filter((c) => gymClientUserIds.includes(c.userId));
+}
+
+/**
+ * Get trainers filtered by gym ID
+ *
+ * @param gymId - Gym ID to filter by
+ * @returns Array of trainers in the gym
+ */
+export async function getTrainersByGym(gymId: string) {
+  const db = await getDatabase();
+  const allUsers = await db.getAllUsers();
+
+  return allUsers.filter((u) => u.gymId === gymId && u.role === "trainer");
+}
+
+/**
+ * Get attendance filtered by gym ID
+ *
+ * @param gymId - Gym ID to filter by
+ * @returns Array of attendance records in the gym
+ */
+export async function getAttendanceByGym(gymId: string) {
+  const db = await getDatabase();
+  const allUsers = await db.getAllUsers();
+  const allAttendance = await db.getAllAttendance();
+
+  const gymUserIds = allUsers.filter((u) => u.gymId === gymId).map((u) => u.id);
+
+  if (gymUserIds.length === 0) {
+    return [];
+  }
+
+  return allAttendance.filter((a) => gymUserIds.includes(a.userId));
+}
+
+/**
+ * Get recommendations filtered by gym ID
+ *
+ * @param gymId - Gym ID to filter by
+ * @returns Array of recommendations in the gym
+ */
+export async function getRecommendationsByGym(gymId: string) {
+  const db = await getDatabase();
+  const allUsers = await db.getAllUsers();
+  const allRecommendations = await db.getAllRecommendations();
+
+  const gymUserIds = allUsers.filter((u) => u.gymId === gymId).map((u) => u.id);
+
+  if (gymUserIds.length === 0) {
+    return [];
+  }
+
+  return allRecommendations.filter((r) => gymUserIds.includes(r.userId));
+}
+
+/**
+ * Get fitness profiles filtered by gym ID
+ *
+ * @param gymId - Gym ID to filter by
+ * @returns Array of fitness profiles in the gym
+ */
+export async function getFitnessProfilesByGym(gymId: string) {
+  const db = await getDatabase();
+  const allUsers = await db.getAllUsers();
+  const allProfiles = await db.getAllFitnessProfiles();
+
+  const gymUserIds = allUsers.filter((u) => u.gymId === gymId).map((u) => u.id);
+
+  if (gymUserIds.length === 0) {
+    return [];
+  }
+
+  return allProfiles.filter((p) => gymUserIds.includes(p.userId));
+}
+
+/**
+ * Get fitness goals filtered by gym ID
+ *
+ * @param gymId - Gym ID to filter by
+ * @returns Array of fitness goals in the gym
+ */
+export async function getFitnessGoalsByGym(gymId: string) {
+  const db = await getDatabase();
+  const allUsers = await db.getAllUsers();
+
+  const gymUserIds = allUsers.filter((u) => u.gymId === gymId).map((u) => u.id);
+
+  if (gymUserIds.length === 0) {
+    return [];
+  }
+
+  const allGoals: any[] = [];
+  for (const userId of gymUserIds) {
+    const goals = await db.getFitnessGoalsByUserId(userId);
+    allGoals.push(...goals);
+  }
+
+  return allGoals.sort(
+    (a, b) => new Date(b.createdAt).getTime() - new Date(a.createdAt).getTime(),
+  );
+}
+
+/**
+ * Get user by ID and check if they belong to a specific gym
+ */
+export async function getUserGymId(userId: string): Promise<string | null> {
+  const db = await getDatabase();
+  const user = await db.getUserById(userId);
+  return user?.gymId ?? null;
+}

apps/admin/src/lib/migrations/fix-gym-assignments.js

@@ -0,0 +1,138 @@
+/**
+ * Migration Script: Fix gym assignments for users without gymId
+ *
+ * This script:
+ * 1. Finds all users with null gymId
+ * 2. For admins: Assigns them to gym where they are adminUserId
+ * 3. For trainers: Gets gymId from their trainerClients records
+ * 4. For clients: Gets gymId from trainerClients or leaves as null for manual review
+ *
+ * Run with: node apps/admin/src/lib/migrations/fix-gym-assignments.js
+ *
+ * Note: Run this AFTER setting up the database, before starting the app
+ */
+
+const Database = require("better-sqlite3");
+
+// Use absolute path to the database - this is where the app stores data
+const dbPath = "/home/echo/dev/prototype/apps/admin/data/fitai.db";
+
+function fixGymAssignments() {
+  console.log("Starting gym assignment migration...\n");
+  console.log(`Database path: ${dbPath}\n`);
+
+  const db = new Database(dbPath);
+
+  // Step 1: Find all users without gymId
+  const usersWithoutGym = db
+    .prepare(
+      `
+    SELECT id, email, role FROM users WHERE gym_id IS NULL
+  `,
+    )
+    .all();
+
+  console.log(`Found ${usersWithoutGym.length} users without gymId`);
+
+  let adminsFixed = 0;
+  let trainersFixed = 0;
+  let clientsFixed = 0;
+  const unableToFix = [];
+
+  for (const user of usersWithoutGym) {
+    try {
+      if (user.role === "admin") {
+        // Find gym where this user is admin
+        const gym = db
+          .prepare(
+            `
+          SELECT id, name FROM gyms WHERE admin_user_id = ?
+        `,
+          )
+          .get(user.id);
+
+        if (gym) {
+          db.prepare(
+            `
+            UPDATE users SET gym_id = ? WHERE id = ?
+          `,
+          ).run(gym.id, user.id);
+
+          console.log(`  ✓ Fixed admin ${user.email} -> gym ${gym.name}`);
+          adminsFixed++;
+        } else {
+          unableToFix.push(`Admin ${user.email} (no gym found)`);
+        }
+      } else if (user.role === "trainer") {
+        // Get gym from trainerClients
+        const tc = db
+          .prepare(
+            `
+          SELECT gym_id FROM trainer_clients WHERE trainer_user_id = ? LIMIT 1
+        `,
+          )
+          .get(user.id);
+
+        if (tc) {
+          db.prepare(
+            `
+            UPDATE users SET gym_id = ? WHERE id = ?
+          `,
+          ).run(tc.gym_id, user.id);
+
+          console.log(`  ✓ Fixed trainer ${user.email} -> gym ${tc.gym_id}`);
+          trainersFixed++;
+        } else {
+          unableToFix.push(`Trainer ${user.email} (no trainerClients record)`);
+        }
+      } else if (user.role === "client") {
+        // Get gym from trainerClients
+        const tc = db
+          .prepare(
+            `
+          SELECT gym_id FROM trainer_clients WHERE client_user_id = ? LIMIT 1
+        `,
+          )
+          .get(user.id);
+
+        if (tc) {
+          db.prepare(
+            `
+            UPDATE users SET gym_id = ? WHERE id = ?
+          `,
+          ).run(tc.gym_id, user.id);
+
+          console.log(`  ✓ Fixed client ${user.email} -> gym ${tc.gym_id}`);
+          clientsFixed++;
+        } else {
+          unableToFix.push(`Client ${user.email} (no trainer assignment)`);
+        }
+      }
+    } catch (error) {
+      console.error(`  ✗ Error fixing user ${user.email}:`, error.message);
+      unableToFix.push(`User ${user.email} (error: ${error.message})`);
+    }
+  }
+
+  db.close();
+
+  console.log("\n=== Migration Summary ===");
+  console.log(`Admins fixed: ${adminsFixed}`);
+  console.log(`Trainers fixed: ${trainersFixed}`);
+  console.log(`Clients fixed: ${clientsFixed}`);
+  console.log(`Unable to fix: ${unableToFix.length}`);
+
+  if (unableToFix.length > 0) {
+    console.log("\nUsers requiring manual review:");
+    unableToFix.forEach((u) => console.log(`  - ${u}`));
+  }
+
+  console.log("\nMigration complete!");
+}
+
+// Run if called directly
+if (require.main === module) {
+  fixGymAssignments();
+}
+
+module.exports = { fixGymAssignments };

apps/admin/src/lib/validation/schemas.ts

@@ -15,8 +15,10 @@ export const passwordSchema = z
 
 export const phoneSchema = z
   .string()
-  .regex(/^\+?[1-9]\d{1,14}$/, "Invalid phone number format")
-  .optional();
+  .optional()
+  .refine((val) => !val || /^\+?[1-9]\d{1,14}$/.test(val), {
+    message: "Invalid phone number format",
+  });
 
 export const dateTimeSchema = z.string().datetime("Invalid datetime format");
 

apps/mobile/src/app/(auth)/onboarding.tsx

@@ -96,9 +96,13 @@ export default function OnboardingScreen() {
 
       const fitnessData = {
         userId: user.id,
-        height: parseFloat(fitnessProfile.height),
-        weight: parseFloat(fitnessProfile.weight),
-        age: parseInt(fitnessProfile.age),
+        height: fitnessProfile.height
+          ? parseFloat(fitnessProfile.height)
+          : undefined,
+        weight: fitnessProfile.weight
+          ? parseFloat(fitnessProfile.weight)
+          : undefined,
+        age: fitnessProfile.age ? parseInt(fitnessProfile.age, 10) : undefined,
         fitnessGoals: fitnessProfile.goals ? [fitnessProfile.goals] : [],
         medicalConditions: fitnessProfile.medicalConditions || undefined,
         allergies: fitnessProfile.dietaryRestrictions || undefined,

apps/mobile/src/app/fitness-profile.tsx

@@ -13,8 +13,10 @@ import {
 import { useRouter, Stack } from "expo-router";
 import { useAuth } from "@clerk/clerk-expo";
 import { Ionicons } from "@expo/vector-icons";
-import { LinearGradient } from "expo-linear-gradient";
-import { theme } from "../styles/theme";
+import { useTheme } from "../contexts/ThemeContext";
+import { MinimalCard } from "../components/MinimalCard";
+import { MinimalButton } from "../components/MinimalButton";
+import { IconContainer } from "../components/IconContainer";
 import { API_BASE_URL } from "../config/api";
 
 interface FitnessProfileData {
@@ -30,13 +32,13 @@ interface FitnessProfileData {
 }
 
 const GENDER_OPTIONS = [
-  { label: "Male", value: "male", icon: "male" },
-  { label: "Female", value: "female", icon: "female" },
-  { label: "Other", value: "other", icon: "transgender" },
+  { label: "Male", value: "male", icon: "male-outline" },
+  { label: "Female", value: "female", icon: "female-outline" },
+  { label: "Other", value: "other", icon: "transgender-outline" },
   {
     label: "Prefer not to say",
     value: "prefer_not_to_say",
-    icon: "help-circle",
+    icon: "help-circle-outline",
   },
 ];
 
@@ -45,31 +47,26 @@ const FITNESS_GOAL_OPTIONS = [
     label: "Weight Loss",
     value: "weight_loss",
     icon: "trending-down",
-    color: theme.colors.danger,
+    color: "#FF3B3B",
   },
   {
     label: "Muscle Gain",
     value: "muscle_gain",
     icon: "barbell",
-    color: theme.colors.primary,
-  },
-  {
-    label: "Endurance",
-    value: "endurance",
-    icon: "bicycle",
-    color: theme.colors.success,
+    color: "#0066FF",
   },
+  { label: "Endurance", value: "endurance", icon: "bicycle", color: "#00D26A" },
   {
     label: "Flexibility",
     value: "flexibility",
     icon: "body",
-    color: theme.colors.purple,
+    color: "#7B2CBF",
   },
   {
     label: "General Fitness",
     value: "general_fitness",
     icon: "fitness",
-    color: theme.colors.warning,
+    color: "#FFB800",
   },
 ];
 
@@ -99,6 +96,7 @@ const ACTIVITY_LEVEL_OPTIONS = [
 
 export default function FitnessProfileScreen() {
   const router = useRouter();
+  const { colors, typography } = useTheme();
   const { userId, getToken } = useAuth();
   const [loading, setLoading] = useState(false);
   const [fetchingProfile, setFetchingProfile] = useState(true);
@@ -124,7 +122,6 @@ export default function FitnessProfileScreen() {
       if (response.ok) {
         const data = await response.json();
         if (data.profile) {
-          // Normalize old activity level values to new schema
           let activityLevel = data.profile.activityLevel || "";
           if (activityLevel === "light") activityLevel = "lightly_active";
           if (activityLevel === "moderate") activityLevel = "moderately_active";
@@ -159,8 +156,6 @@ export default function FitnessProfileScreen() {
       setLoading(true);
       const token = await getToken();
 
-      // Prepare data with userId and convert fitnessGoal to fitnessGoals array
-      // Convert empty strings to undefined for optional enum fields
       const dataToSave = {
         userId: userId,
         height: profileData.height,
@@ -205,8 +200,13 @@ export default function FitnessProfileScreen() {
 
   if (fetchingProfile) {
     return (
-      <View style={styles.loadingContainer}>
-        <ActivityIndicator size="large" color={theme.colors.primary} />
+      <View
+        style={[
+          styles.loadingContainer,
+          { backgroundColor: colors.background },
+        ]}
+      >
+        <ActivityIndicator size="large" color={colors.primary} />
       </View>
     );
   }
@@ -214,18 +214,28 @@ export default function FitnessProfileScreen() {
   return (
     <>
       <Stack.Screen options={{ headerShown: false }} />
-      <View style={styles.container}>
+      <View style={[styles.container, { backgroundColor: colors.background }]}>
         {/* Header */}
-        <LinearGradient colors={theme.gradients.primary} style={styles.header}>
+        <View
+          style={[
+            styles.header,
+            {
+              backgroundColor: colors.primary,
+              paddingTop: Platform.OS === "ios" ? 60 : 40,
+            },
+          ]}
+        >
           <TouchableOpacity
             style={styles.backButton}
             onPress={() => router.back()}
           >
             <Ionicons name="arrow-back" size={24} color="#fff" />
           </TouchableOpacity>
-          <Text style={styles.headerTitle}>Fitness Profile</Text>
+          <Text style={[typography.h2, { color: "#fff" }]}>
+            Fitness Profile
+          </Text>
           <View style={{ width: 40 }} />
-        </LinearGradient>
+        </View>
 
         <ScrollView
           style={styles.scrollView}
@@ -234,19 +244,41 @@ export default function FitnessProfileScreen() {
         >
           {/* Basic Information */}
           <View style={styles.section}>
-            <Text style={styles.sectionTitle}>Basic Information</Text>
-            <View style={styles.card}>
-              <View style={styles.row}>
+            <Text
+              style={[
+                typography.h3,
+                { color: colors.textPrimary, marginBottom: 16 },
+              ]}
+            >
+              Basic Information
+            </Text>
+            <MinimalCard variant="elevated" style={styles.card}>
+              <View style={styles.inputRow}>
                 <View style={styles.inputGroup}>
-                  <Text style={styles.label}>Height (cm)</Text>
-                  <View style={styles.inputContainer}>
+                  <Text
+                    style={[
+                      typography.label,
+                      { color: colors.textSecondary, marginBottom: 8 },
+                    ]}
+                  >
+                    HEIGHT (CM)
+                  </Text>
+                  <View
+                    style={[
+                      styles.inputContainer,
+                      {
+                        backgroundColor: colors.surfaceElevated,
+                        borderColor: colors.border,
+                      },
+                    ]}
+                  >
                     <Ionicons
-                      name="resize-outline"
+                      name="resize"
                       size={20}
-                      color={theme.colors.gray400}
+                      color={colors.textTertiary}
                     />
                     <TextInput
-                      style={styles.input}
+                      style={[styles.input, { color: colors.textPrimary }]}
                       value={profileData.height?.toString() || ""}
                       onChangeText={(text) =>
                         updateField(
@@ -256,20 +288,35 @@ export default function FitnessProfileScreen() {
                       }
                       keyboardType="decimal-pad"
                       placeholder="175"
-                      placeholderTextColor={theme.colors.gray400}
+                      placeholderTextColor={colors.textTertiary}
                     />
                   </View>
                 </View>
                 <View style={styles.inputGroup}>
-                  <Text style={styles.label}>Weight (kg)</Text>
-                  <View style={styles.inputContainer}>
+                  <Text
+                    style={[
+                      typography.label,
+                      { color: colors.textSecondary, marginBottom: 8 },
+                    ]}
+                  >
+                    WEIGHT (KG)
+                  </Text>
+                  <View
+                    style={[
+                      styles.inputContainer,
+                      {
+                        backgroundColor: colors.surfaceElevated,
+                        borderColor: colors.border,
+                      },
+                    ]}
+                  >
                     <Ionicons
-                      name="scale-outline"
+                      name="scale"
                       size={20}
-                      color={theme.colors.gray400}
+                      color={colors.textTertiary}
                     />
                     <TextInput
-                      style={styles.input}
+                      style={[styles.input, { color: colors.textPrimary }]}
                       value={profileData.weight?.toString() || ""}
                       onChangeText={(text) =>
                         updateField(
@@ -279,45 +326,75 @@ export default function FitnessProfileScreen() {
                       }
                       keyboardType="decimal-pad"
                       placeholder="70"
-                      placeholderTextColor={theme.colors.gray400}
+                      placeholderTextColor={colors.textTertiary}
                     />
                   </View>
                 </View>
               </View>
               <View style={styles.inputGroup}>
-                <Text style={styles.label}>Age</Text>
-                <View style={styles.inputContainer}>
+                <Text
+                  style={[
+                    typography.label,
+                    { color: colors.textSecondary, marginBottom: 8 },
+                  ]}
+                >
+                  AGE
+                </Text>
+                <View
+                  style={[
+                    styles.inputContainer,
+                    {
+                      backgroundColor: colors.surfaceElevated,
+                      borderColor: colors.border,
+                    },
+                  ]}
+                >
                   <Ionicons
-                    name="calendar-outline"
+                    name="calendar"
                     size={20}
-                    color={theme.colors.gray400}
+                    color={colors.textTertiary}
                   />
                   <TextInput
-                    style={styles.input}
+                    style={[styles.input, { color: colors.textPrimary }]}
                     value={profileData.age?.toString() || ""}
                     onChangeText={(text) =>
                       updateField("age", text ? parseInt(text, 10) : undefined)
                     }
                     keyboardType="number-pad"
                     placeholder="25"
-                    placeholderTextColor={theme.colors.gray400}
+                    placeholderTextColor={colors.textTertiary}
                   />
                 </View>
               </View>
-            </View>
+            </MinimalCard>
           </View>
 
           {/* Gender Selection */}
           <View style={styles.section}>
-            <Text style={styles.sectionTitle}>Gender</Text>
-            <View style={styles.optionsRow}>
+            <Text
+              style={[
+                typography.h3,
+                { color: colors.textPrimary, marginBottom: 16 },
+              ]}
+            >
+              Gender
+            </Text>
+            <View style={styles.genderRow}>
               {GENDER_OPTIONS.map((option) => (
                 <TouchableOpacity
                   key={option.value}
                   style={[
-                    styles.optionCard,
-                    profileData.gender === option.value &&
-                      styles.optionCardActive,
+                    styles.genderCard,
+                    {
+                      backgroundColor:
+                        profileData.gender === option.value
+                          ? colors.primary
+                          : colors.surfaceElevated,
+                      borderColor:
+                        profileData.gender === option.value
+                          ? colors.primary
+                          : colors.border,
+                    },
                   ]}
                   onPress={() => updateField("gender", option.value)}
                 >
@@ -326,15 +403,22 @@ export default function FitnessProfileScreen() {
                     size={24}
                     color={
                       profileData.gender === option.value
-                        ? theme.colors.primary
-                        : theme.colors.gray400
+                        ? "#fff"
+                        : colors.textTertiary
                     }
                   />
                   <Text
                     style={[
-                      styles.optionLabel,
-                      profileData.gender === option.value &&
-                        styles.optionLabelActive,
+                      typography.caption,
+                      {
+                        color:
+                          profileData.gender === option.value
+                            ? "#fff"
+                            : colors.textSecondary,
+                        fontWeight:
+                          profileData.gender === option.value ? "700" : "500",
+                        marginTop: 6,
+                      },
                     ]}
                   >
                     {option.label}
@@ -346,8 +430,15 @@ export default function FitnessProfileScreen() {
 
           {/* Fitness Goal */}
           <View style={styles.section}>
-            <Text style={styles.sectionTitle}>Primary Fitness Goal</Text>
-            <View style={styles.card}>
+            <Text
+              style={[
+                typography.h3,
+                { color: colors.textPrimary, marginBottom: 16 },
+              ]}
+            >
+              Primary Fitness Goal
+            </Text>
+            <MinimalCard variant="elevated" style={styles.card}>
               {FITNESS_GOAL_OPTIONS.map((option, index) => (
                 <React.Fragment key={option.value}>
                   <TouchableOpacity
@@ -366,27 +457,46 @@ export default function FitnessProfileScreen() {
                         color={option.color}
                       />
                     </View>
-                    <Text style={styles.listItemText}>{option.label}</Text>
+                    <Text
+                      style={[
+                        typography.bodyEmphasis,
+                        { color: colors.textPrimary, flex: 1 },
+                      ]}
+                    >
+                      {option.label}
+                    </Text>
                     {profileData.fitnessGoal === option.value && (
                       <Ionicons
                         name="checkmark-circle"
                         size={24}
-                        color={theme.colors.primary}
+                        color={colors.primary}
                       />
                     )}
                   </TouchableOpacity>
                   {index < FITNESS_GOAL_OPTIONS.length - 1 && (
-                    <View style={styles.divider} />
+                    <View
+                      style={[
+                        styles.divider,
+                        { backgroundColor: colors.border },
+                      ]}
+                    />
                   )}
                 </React.Fragment>
               ))}
-            </View>
+            </MinimalCard>
           </View>
 
           {/* Activity Level */}
           <View style={styles.section}>
-            <Text style={styles.sectionTitle}>Activity Level</Text>
-            <View style={styles.card}>
+            <Text
+              style={[
+                typography.h3,
+                { color: colors.textPrimary, marginBottom: 16 },
+              ]}
+            >
+              Activity Level
+            </Text>
+            <MinimalCard variant="elevated" style={styles.card}>
               {ACTIVITY_LEVEL_OPTIONS.map((option, index) => (
                 <React.Fragment key={option.value}>
                   <TouchableOpacity
@@ -394,8 +504,20 @@ export default function FitnessProfileScreen() {
                     onPress={() => updateField("activityLevel", option.value)}
                   >
                     <View style={{ flex: 1 }}>
-                      <Text style={styles.listItemText}>{option.label}</Text>
-                      <Text style={styles.listItemDescription}>
+                      <Text
+                        style={[
+                          typography.bodyEmphasis,
+                          { color: colors.textPrimary },
+                        ]}
+                      >
+                        {option.label}
+                      </Text>
+                      <Text
+                        style={[
+                          typography.caption,
+                          { color: colors.textTertiary, marginTop: 2 },
+                        ]}
+                      >
                         {option.description}
                       </Text>
                     </View>
@@ -403,90 +525,141 @@ export default function FitnessProfileScreen() {
                       <Ionicons
                         name="checkmark-circle"
                         size={24}
-                        color={theme.colors.primary}
+                        color={colors.primary}
                       />
                     )}
                   </TouchableOpacity>
                   {index < ACTIVITY_LEVEL_OPTIONS.length - 1 && (
-                    <View style={styles.divider} />
+                    <View
+                      style={[
+                        styles.divider,
+                        { backgroundColor: colors.border },
+                      ]}
+                    />
                   )}
                 </React.Fragment>
               ))}
-            </View>
+            </MinimalCard>
           </View>
 
           {/* Health Information */}
           <View style={styles.section}>
-            <Text style={styles.sectionTitle}>
-              Health Information (Optional)
+            <Text
+              style={[
+                typography.h3,
+                { color: colors.textPrimary, marginBottom: 16 },
+              ]}
+            >
+              Health Information
             </Text>
-            <View style={styles.card}>
+            <MinimalCard variant="elevated" style={styles.card}>
               <View style={styles.inputGroup}>
-                <Text style={styles.label}>Medical Conditions</Text>
+                <Text
+                  style={[
+                    typography.label,
+                    { color: colors.textSecondary, marginBottom: 8 },
+                  ]}
+                >
+                  MEDICAL CONDITIONS
+                </Text>
                 <TextInput
-                  style={[styles.textArea]}
+                  style={[
+                    styles.textArea,
+                    {
+                      backgroundColor: colors.surfaceElevated,
+                      borderColor: colors.border,
+                      color: colors.textPrimary,
+                    },
+                  ]}
                   value={profileData.medicalConditions || ""}
                   onChangeText={(text) =>
                     updateField("medicalConditions", text)
                   }
                   placeholder="e.g., Asthma, diabetes..."
-                  placeholderTextColor={theme.colors.gray400}
+                  placeholderTextColor={colors.textTertiary}
                   multiline
                   numberOfLines={3}
                   textAlignVertical="top"
                 />
               </View>
               <View style={styles.inputGroup}>
-                <Text style={styles.label}>Allergies</Text>
+                <Text
+                  style={[
+                    typography.label,
+                    { color: colors.textSecondary, marginBottom: 8 },
+                  ]}
+                >
+                  ALLERGIES
+                </Text>
                 <TextInput
-                  style={[styles.textArea]}
+                  style={[
+                    styles.textArea,
+                    {
+                      backgroundColor: colors.surfaceElevated,
+                      borderColor: colors.border,
+                      color: colors.textPrimary,
+                    },
+                  ]}
                   value={profileData.allergies || ""}
                   onChangeText={(text) => updateField("allergies", text)}
                   placeholder="e.g., Peanuts, latex..."
-                  placeholderTextColor={theme.colors.gray400}
+                  placeholderTextColor={colors.textTertiary}
                   multiline
                   numberOfLines={3}
                   textAlignVertical="top"
                 />
               </View>
               <View style={styles.inputGroup}>
-                <Text style={styles.label}>Injuries</Text>
+                <Text
+                  style={[
+                    typography.label,
+                    { color: colors.textSecondary, marginBottom: 8 },
+                  ]}
+                >
+                  INJURIES
+                </Text>
                 <TextInput
-                  style={[styles.textArea]}
+                  style={[
+                    styles.textArea,
+                    {
+                      backgroundColor: colors.surfaceElevated,
+                      borderColor: colors.border,
+                      color: colors.textPrimary,
+                    },
+                  ]}
                   value={profileData.injuries || ""}
                   onChangeText={(text) => updateField("injuries", text)}
                   placeholder="e.g., Previous knee injury..."
-                  placeholderTextColor={theme.colors.gray400}
+                  placeholderTextColor={colors.textTertiary}
                   multiline
                   numberOfLines={3}
                   textAlignVertical="top"
                 />
               </View>
-            </View>
+            </MinimalCard>
           </View>
+
+          <View style={{ height: 120 }} />
         </ScrollView>
 
         {/* Save Button */}
-        <View style={styles.footer}>
-          <TouchableOpacity
-            style={[styles.saveButton, loading && styles.saveButtonDisabled]}
+        <View
+          style={[
+            styles.footer,
+            {
+              backgroundColor: colors.background,
+              borderTopColor: colors.border,
+            },
+          ]}
+        >
+          <MinimalButton
+            title="Save Profile"
             onPress={handleSave}
-            disabled={loading}
-          >
-            <LinearGradient
-              colors={theme.gradients.primary}
-              style={styles.saveButtonGradient}
-            >
-              {loading ? (
-                <ActivityIndicator color="#fff" />
-              ) : (
-                <>
-                  <Ionicons name="checkmark-circle" size={20} color="#fff" />
-                  <Text style={styles.saveButtonText}>Save Profile</Text>
-                </>
-              )}
-            </LinearGradient>
-          </TouchableOpacity>
+            variant="primary"
+            size="xl"
+            fullWidth
+            loading={loading}
+          />
         </View>
       </View>
     </>
@@ -496,35 +669,27 @@ export default function FitnessProfileScreen() {
 const styles = StyleSheet.create({
   container: {
     flex: 1,
-    backgroundColor: theme.colors.background,
   },
   loadingContainer: {
     flex: 1,
     justifyContent: "center",
     alignItems: "center",
-    backgroundColor: theme.colors.background,
   },
   header: {
     flexDirection: "row",
     alignItems: "center",
     justifyContent: "space-between",
-    paddingTop: Platform.OS === "ios" ? 60 : 40,
     paddingBottom: 20,
     paddingHorizontal: 20,
   },
   backButton: {
     width: 40,
     height: 40,
-    borderRadius: 20,
+    borderRadius: 12,
     backgroundColor: "rgba(255, 255, 255, 0.2)",
     justifyContent: "center",
     alignItems: "center",
   },
-  headerTitle: {
-    fontSize: theme.typography.fontSize["2xl"],
-    fontWeight: theme.typography.fontWeight.bold,
-    color: "#fff",
-  },
   scrollView: {
     flex: 1,
   },
@@ -533,118 +698,69 @@ const styles = StyleSheet.create({
     paddingBottom: 100,
   },
   section: {
-    marginBottom: 24,
-  },
-  sectionTitle: {
-    fontSize: theme.typography.fontSize.lg,
-    fontWeight: theme.typography.fontWeight.bold,
-    color: theme.colors.gray900,
-    marginBottom: 12,
+    marginBottom: 28,
   },
   card: {
-    backgroundColor: "#fff",
-    borderRadius: theme.borderRadius.xl,
-    padding: 16,
-    ...theme.shadows.subtle,
-    borderWidth: 1,
-    borderColor: theme.colors.gray100,
+    padding: 4,
   },
-  row: {
+  inputRow: {
     flexDirection: "row",
     gap: 12,
-    marginBottom: 16,
   },
   inputGroup: {
     flex: 1,
-    marginBottom: 16,
-  },
-  label: {
-    fontSize: theme.typography.fontSize.sm,
-    fontWeight: theme.typography.fontWeight.semibold,
-    color: theme.colors.gray700,
-    marginBottom: 8,
+    marginBottom: 4,
   },
   inputContainer: {
     flexDirection: "row",
     alignItems: "center",
-    backgroundColor: theme.colors.gray50,
-    borderRadius: theme.borderRadius.lg,
-    borderWidth: 1,
-    borderColor: theme.colors.gray200,
-    paddingHorizontal: 12,
-    gap: 8,
+    borderRadius: 14,
+    borderWidth: 1.5,
+    paddingHorizontal: 14,
+    gap: 10,
   },
   input: {
     flex: 1,
-    paddingVertical: 12,
-    fontSize: theme.typography.fontSize.base,
-    color: theme.colors.gray900,
+    paddingVertical: 14,
+    fontSize: 16,
+    fontWeight: "600",
   },
   textArea: {
-    backgroundColor: theme.colors.gray50,
-    borderRadius: theme.borderRadius.lg,
-    borderWidth: 1,
-    borderColor: theme.colors.gray200,
-    padding: 12,
-    fontSize: theme.typography.fontSize.base,
-    color: theme.colors.gray900,
-    minHeight: 80,
+    borderRadius: 14,
+    borderWidth: 1.5,
+    padding: 14,
+    fontSize: 16,
+    minHeight: 90,
   },
-  optionsRow: {
+  genderRow: {
     flexDirection: "row",
-    gap: 12,
+    gap: 10,
   },
-  optionCard: {
+  genderCard: {
     flex: 1,
-    backgroundColor: "#fff",
-    borderRadius: theme.borderRadius.lg,
-    padding: 16,
-    alignItems: "center",
-    gap: 8,
+    paddingVertical: 16,
+    paddingHorizontal: 8,
+    borderRadius: 14,
     borderWidth: 2,
-    borderColor: theme.colors.gray200,
-    ...theme.shadows.subtle,
-  },
-  optionCardActive: {
-    borderColor: theme.colors.primary,
-    backgroundColor: `${theme.colors.primary}10`,
-  },
-  optionLabel: {
-    fontSize: theme.typography.fontSize.sm,
-    fontWeight: theme.typography.fontWeight.medium,
-    color: theme.colors.gray600,
-  },
-  optionLabelActive: {
-    color: theme.colors.primary,
-    fontWeight: theme.typography.fontWeight.bold,
+    alignItems: "center",
   },
   listItem: {
     flexDirection: "row",
     alignItems: "center",
-    paddingVertical: 12,
-    gap: 12,
+    paddingVertical: 14,
+    paddingHorizontal: 12,
+    gap: 14,
   },
   iconCircle: {
-    width: 40,
-    height: 40,
-    borderRadius: 20,
+    width: 44,
+    height: 44,
+    borderRadius: 12,
     justifyContent: "center",
     alignItems: "center",
   },
-  listItemText: {
-    flex: 1,
-    fontSize: theme.typography.fontSize.base,
-    fontWeight: theme.typography.fontWeight.medium,
-    color: theme.colors.gray900,
-  },
-  listItemDescription: {
-    fontSize: theme.typography.fontSize.xs,
-    color: theme.colors.gray500,
-    marginTop: 2,
-  },
   divider: {
     height: 1,
-    backgroundColor: theme.colors.gray100,
+    marginLeft: 58,
   },
   footer: {
     position: "absolute",
@@ -652,29 +768,7 @@ const styles = StyleSheet.create({
     left: 0,
     right: 0,
     padding: 20,
-    paddingBottom: Platform.OS === "ios" ? 40 : 20,
-    backgroundColor: "#fff",
+    paddingBottom: 34,
     borderTopWidth: 1,
-    borderTopColor: theme.colors.gray100,
-    ...theme.shadows.medium,
-  },
-  saveButton: {
-    borderRadius: theme.borderRadius.lg,
-    overflow: "hidden",
-  },
-  saveButtonGradient: {
-    flexDirection: "row",
-    alignItems: "center",
-    justifyContent: "center",
-    paddingVertical: 16,
-    gap: 8,
-  },
-  saveButtonDisabled: {
-    opacity: 0.6,
-  },
-  saveButtonText: {
-    fontSize: theme.typography.fontSize.base,
-    fontWeight: theme.typography.fontWeight.bold,
-    color: "#fff",
   },
 });