diff --git a/frontend/src/components/billing/BillingUsagePanel.tsx b/frontend/src/components/billing/BillingUsagePanel.tsx
index 0f25423f..fe807c92 100644
--- a/frontend/src/components/billing/BillingUsagePanel.tsx
+++ b/frontend/src/components/billing/BillingUsagePanel.tsx
@@ -3,6 +3,7 @@ import { useToast } from '../../components/ui/toast/ToastContainer';
 import { getCreditTransactions, getCreditBalance, CreditTransaction as BillingTransaction, CreditBalance } from '../../services/billing.api';
 import { Card } from '../../components/ui/card';
 import Badge from '../../components/ui/badge/Badge';
+import { CompactPagination } from '../ui/pagination';
 
 // Credit costs per operation (copied from Billing usage page)
 const CREDIT_COSTS: Record<string, { cost: number | string; description: string }> = {
@@ -22,6 +23,8 @@ export default function BillingUsagePanel() {
   const [transactions, setTransactions] = useState<BillingTransaction[]>([]);
   const [balance, setBalance] = useState<CreditBalance | null>(null);
   const [loading, setLoading] = useState(true);
+  const [page, setPage] = useState(1);
+  const [pageSize, setPageSize] = useState(10);
 
   useEffect(() => {
     loadUsage();
@@ -43,6 +46,9 @@ export default function BillingUsagePanel() {
     }
   };
 
+  const totalPages = Math.max(1, Math.ceil(transactions.length / pageSize));
+  const paginated = transactions.slice((page - 1) * pageSize, page * pageSize);
+
   if (loading) {
     return (
       <div className="p-4">
@@ -123,7 +129,7 @@ export default function BillingUsagePanel() {
                 </tr>
               </thead>
               <tbody>
-                {transactions.map((txn) => (
+                {paginated.map((txn) => (
                   <tr key={txn.id} className="border-b border-gray-100 dark:border-gray-800">
                     <td className="py-3 px-4 text-sm text-gray-900 dark:text-white">{new Date(txn.created_at).toLocaleString()}</td>
                     <td className="py-3 px-4">
@@ -144,6 +150,23 @@ export default function BillingUsagePanel() {
               </tbody>
             </table>
           </div>
+          {transactions.length > 0 && (
+            <div className="mt-4 flex justify-between items-center">
+              <div className="text-sm text-gray-500 dark:text-gray-400">
+                Showing {(page - 1) * pageSize + 1}-{Math.min(page * pageSize, transactions.length)} of {transactions.length}
+              </div>
+              <CompactPagination
+                currentPage={page}
+                totalPages={totalPages}
+                pageSize={pageSize}
+                onPageChange={(p) => setPage(p)}
+                onPageSizeChange={(size) => {
+                  setPageSize(size);
+                  setPage(1);
+                }}
+              />
+            </div>
+          )}
         </Card>
       </div>
     </div>
diff --git a/frontend/src/pages/account/TeamManagementPage.tsx b/frontend/src/pages/account/TeamManagementPage.tsx
index 622a63de..e171eb03 100644
--- a/frontend/src/pages/account/TeamManagementPage.tsx
+++ b/frontend/src/pages/account/TeamManagementPage.tsx
@@ -134,9 +134,11 @@ export default function TeamManagementPage() {
           <div className="flex justify-end">
             <Button
               variant="primary"
+              tone="brand"
+              size="md"
+              startIcon={<UserPlus className="w-4 h-4" />}
               onClick={() => setShowInviteModal(true)}
             >
-              <UserPlus className="w-4 h-4 mr-2" />
               Invite Team Member
             </Button>
           </div>
@@ -215,9 +217,11 @@ export default function TeamManagementPage() {
       <div className="flex justify-end">
         <Button
           variant="primary"
+          tone="brand"
+          size="md"
+          startIcon={<UserPlus className="w-4 h-4" />}
           onClick={() => setShowInviteModal(true)}
         >
-          <UserPlus className="w-4 h-4 mr-2" />
           Send Invitation
         </Button>
       </div>
diff --git a/frontend/src/pages/account/UsageAnalyticsPage.tsx b/frontend/src/pages/account/UsageAnalyticsPage.tsx
index d34d987a..11437565 100644
--- a/frontend/src/pages/account/UsageAnalyticsPage.tsx
+++ b/frontend/src/pages/account/UsageAnalyticsPage.tsx
@@ -12,6 +12,7 @@ import { Card } from '../../components/ui/card';
 import Badge from '../../components/ui/badge/Badge';
 import BillingUsagePanel from '../../components/billing/BillingUsagePanel';
 import BillingBalancePanel from '../../components/billing/BillingBalancePanel';
+import Button from '../../components/ui/button/Button';
 
 type TabType = 'credits' | 'api' | 'costs';
 
@@ -92,36 +93,20 @@ export default function UsageAnalyticsPage() {
 
         {/* Period Selector */}
         <div className="flex gap-2">
-          <button
-            onClick={() => setPeriod(7)}
-            className={`px-4 py-2 rounded-md text-sm font-medium ${
-              period === 7
-                ? 'bg-primary-600 text-white'
-                : 'bg-gray-200 dark:bg-gray-700 text-gray-700 dark:text-gray-300'
-            }`}
-          >
-            7 Days
-          </button>
-          <button
-            onClick={() => setPeriod(30)}
-            className={`px-4 py-2 rounded-md text-sm font-medium ${
-              period === 30
-                ? 'bg-primary-600 text-white'
-                : 'bg-gray-200 dark:bg-gray-700 text-gray-700 dark:text-gray-300'
-            }`}
-          >
-            30 Days
-          </button>
-          <button
-            onClick={() => setPeriod(90)}
-            className={`px-4 py-2 rounded-md text-sm font-medium ${
-              period === 90
-                ? 'bg-primary-600 text-white'
-                : 'bg-gray-200 dark:bg-gray-700 text-gray-700 dark:text-gray-300'
-            }`}
-          >
-            90 Days
-          </button>
+          {[7, 30, 90].map((value) => {
+            const isActive = period === value;
+            return (
+              <Button
+                key={value}
+                size="sm"
+                variant={isActive ? 'primary' : 'secondary'}
+                tone={isActive ? 'brand' : 'neutral'}
+                onClick={() => setPeriod(value)}
+              >
+                {value} Days
+              </Button>
+            );
+          })}
         </div>
       </div>