diff --git a/App/app/(portal)/admin/accounts/accounts-table.tsx b/App/app/(portal)/admin/accounts/accounts-table.tsx
index 16b856b..0d523a8 100644
--- a/App/app/(portal)/admin/accounts/accounts-table.tsx
+++ b/App/app/(portal)/admin/accounts/accounts-table.tsx
@@ -1,12 +1,12 @@
 "use client";
 
-import { useState, useTransition } from "react";
-import { useRouter } from "next/navigation";
+import { useState } from "react";
 import { useTableControls } from "@/components/ui/use-table-controls";
 import { TableControls, SortableTh } from "@/components/ui/table-controls";
 import { AddAccountButton, EditAccountButton } from "./account-form";
 import { RowActionsMenu, RowActionsItem, RowActionsDestructiveItem, RowActionsSeparator } from "@/components/ui/row-actions-menu";
 import { DeleteConfirmDialog } from "@/components/ui/delete-confirm-dialog";
+import { ConfirmDialog } from "@/components/ui/confirm-dialog";
 import { deleteAccount, toggleAccountActive } from "./actions";
 
 export type AccountRow = {
@@ -20,23 +20,15 @@ export type AccountRow = {
 const CHIPS = ["Active", "Inactive"];
 
 function AccountActionsMenu({ account }: { account: AccountRow }) {
-  const router = useRouter();
   const [editOpen, setEditOpen] = useState(false);
   const [deleteOpen, setDeleteOpen] = useState(false);
-  const [isPending, startTransition] = useTransition();
-
-  function handleToggle() {
-    startTransition(async () => {
-      await toggleAccountActive(account.id);
-      router.refresh();
-    });
-  }
+  const [toggleOpen, setToggleOpen] = useState(false);
 
   return (
     <>
       <RowActionsMenu>
         <RowActionsItem onClick={() => setEditOpen(true)}>Edit</RowActionsItem>
-        <RowActionsItem onClick={handleToggle} disabled={isPending}>
+        <RowActionsItem onClick={() => setToggleOpen(true)}>
           {account.isActive ? "Deactivate" : "Activate"}
         </RowActionsItem>
         <RowActionsSeparator />
@@ -60,6 +52,14 @@ function AccountActionsMenu({ account }: { account: AccountRow }) {
         label={account.name}
         onConfirm={() => deleteAccount(account.id)}
       />
+      <ConfirmDialog
+        open={toggleOpen}
+        onOpenChange={setToggleOpen}
+        title={account.isActive ? `Deactivate ${account.name}?` : `Activate ${account.name}?`}
+        description={account.isActive ? `${account.name} will be hidden from account selections.` : `${account.name} will become available for account selections.`}
+        confirmLabel={account.isActive ? "Deactivate" : "Activate"}
+        onConfirm={() => toggleAccountActive(account.id)}
+      />
     </>
   );
 }
diff --git a/App/app/(portal)/admin/products/products-table.tsx b/App/app/(portal)/admin/products/products-table.tsx
index c994b38..80f086c 100644
--- a/App/app/(portal)/admin/products/products-table.tsx
+++ b/App/app/(portal)/admin/products/products-table.tsx
@@ -1,14 +1,14 @@
 "use client";
 
 import Link from "next/link";
-import { useState, useTransition } from "react";
-import { useRouter } from "next/navigation";
+import { useState } from "react";
 import { formatCurrency, formatDate } from "@/lib/utils";
 import { useTableControls } from "@/components/ui/use-table-controls";
 import { TableControls, SortableTh } from "@/components/ui/table-controls";
 import { AddProductButton } from "./product-form";
 import { RowActionsMenu, RowActionsItem, RowActionsDestructiveItem, RowActionsSeparator } from "@/components/ui/row-actions-menu";
 import { DeleteConfirmDialog } from "@/components/ui/delete-confirm-dialog";
+import { ConfirmDialog } from "@/components/ui/confirm-dialog";
 import { deleteProduct, toggleProductActive } from "./actions";
 
 export type ProductRow = {
@@ -26,21 +26,13 @@ export type ProductRow = {
 const CHIPS = ["Active", "Inactive"];
 
 function ProductActionsMenu({ product }: { product: ProductRow }) {
-  const router = useRouter();
   const [deleteOpen, setDeleteOpen] = useState(false);
-  const [isPending, startTransition] = useTransition();
-
-  function handleToggle() {
-    startTransition(async () => {
-      await toggleProductActive(product.id);
-      router.refresh();
-    });
-  }
+  const [toggleOpen, setToggleOpen] = useState(false);
 
   return (
     <>
       <RowActionsMenu>
-        <RowActionsItem onClick={handleToggle} disabled={isPending}>
+        <RowActionsItem onClick={() => setToggleOpen(true)}>
           {product.isActive ? "Deactivate" : "Activate"}
         </RowActionsItem>
         <RowActionsSeparator />
@@ -53,6 +45,14 @@ function ProductActionsMenu({ product }: { product: ProductRow }) {
         label={product.name}
         onConfirm={() => deleteProduct(product.id)}
       />
+      <ConfirmDialog
+        open={toggleOpen}
+        onOpenChange={setToggleOpen}
+        title={product.isActive ? `Deactivate ${product.name}?` : `Activate ${product.name}?`}
+        description={product.isActive ? `${product.name} will be hidden from new purchase orders.` : `${product.name} will become available for new purchase orders.`}
+        confirmLabel={product.isActive ? "Deactivate" : "Activate"}
+        onConfirm={() => toggleProductActive(product.id)}
+      />
     </>
   );
 }
diff --git a/App/app/(portal)/admin/sites/sites-table.tsx b/App/app/(portal)/admin/sites/sites-table.tsx
index 750f7a4..0e560ac 100644
--- a/App/app/(portal)/admin/sites/sites-table.tsx
+++ b/App/app/(portal)/admin/sites/sites-table.tsx
@@ -1,13 +1,13 @@
 "use client";
 
 import Link from "next/link";
-import { useState, useTransition } from "react";
-import { useRouter } from "next/navigation";
+import { useState } from "react";
 import { useTableControls } from "@/components/ui/use-table-controls";
 import { TableControls, SortableTh } from "@/components/ui/table-controls";
 import { AddSiteButton, EditSiteButton } from "./site-form";
 import { RowActionsMenu, RowActionsItem, RowActionsDestructiveItem, RowActionsSeparator } from "@/components/ui/row-actions-menu";
 import { DeleteConfirmDialog } from "@/components/ui/delete-confirm-dialog";
+import { ConfirmDialog } from "@/components/ui/confirm-dialog";
 import { deleteSite, toggleSiteActive } from "./actions";
 
 export type SiteRow = {
@@ -25,23 +25,15 @@ export type SiteRow = {
 const CHIPS = ["Active", "Inactive"];
 
 function SiteActionsMenu({ site }: { site: SiteRow }) {
-  const router = useRouter();
   const [editOpen, setEditOpen] = useState(false);
   const [deleteOpen, setDeleteOpen] = useState(false);
-  const [isPending, startTransition] = useTransition();
-
-  function handleToggle() {
-    startTransition(async () => {
-      await toggleSiteActive(site.id);
-      router.refresh();
-    });
-  }
+  const [toggleOpen, setToggleOpen] = useState(false);
 
   return (
     <>
       <RowActionsMenu>
         <RowActionsItem onClick={() => setEditOpen(true)}>Edit</RowActionsItem>
-        <RowActionsItem onClick={handleToggle} disabled={isPending}>
+        <RowActionsItem onClick={() => setToggleOpen(true)}>
           {site.isActive ? "Deactivate" : "Activate"}
         </RowActionsItem>
         <RowActionsSeparator />
@@ -67,6 +59,14 @@ function SiteActionsMenu({ site }: { site: SiteRow }) {
         label={site.name}
         onConfirm={() => deleteSite(site.id)}
       />
+      <ConfirmDialog
+        open={toggleOpen}
+        onOpenChange={setToggleOpen}
+        title={site.isActive ? `Deactivate ${site.name}?` : `Activate ${site.name}?`}
+        description={site.isActive ? `${site.name} will be hidden from cost centre selections.` : `${site.name} will become available for cost centre selections.`}
+        confirmLabel={site.isActive ? "Deactivate" : "Activate"}
+        onConfirm={() => toggleSiteActive(site.id)}
+      />
     </>
   );
 }
diff --git a/App/app/(portal)/admin/users/users-table.tsx b/App/app/(portal)/admin/users/users-table.tsx
index 59a59ce..644a90a 100644
--- a/App/app/(portal)/admin/users/users-table.tsx
+++ b/App/app/(portal)/admin/users/users-table.tsx
@@ -7,6 +7,7 @@ import { TableControls, SortableTh } from "@/components/ui/table-controls";
 import { AddUserButton, EditUserButton } from "./user-form";
 import { RowActionsMenu, RowActionsItem, RowActionsDestructiveItem, RowActionsSeparator } from "@/components/ui/row-actions-menu";
 import { DeleteConfirmDialog } from "@/components/ui/delete-confirm-dialog";
+import { ConfirmDialog } from "@/components/ui/confirm-dialog";
 import { deleteUser, toggleUserActive } from "./actions";
 import { grantSuperUser } from "../superuser-requests/actions";
 import { ShieldCheck } from "lucide-react";
@@ -37,16 +38,9 @@ function UserActionsMenu({ user }: { user: UserRow }) {
   const router = useRouter();
   const [editOpen, setEditOpen] = useState(false);
   const [deleteOpen, setDeleteOpen] = useState(false);
-  const [isPending, startTransition] = useTransition();
+  const [toggleOpen, setToggleOpen] = useState(false);
   const [grantPending, startGrantTransition] = useTransition();
 
-  function handleToggle() {
-    startTransition(async () => {
-      await toggleUserActive(user.id);
-      router.refresh();
-    });
-  }
-
   function handleGrantSuperUser() {
     startGrantTransition(async () => {
       await grantSuperUser(user.id);
@@ -58,7 +52,7 @@ function UserActionsMenu({ user }: { user: UserRow }) {
     <>
       <RowActionsMenu>
         <RowActionsItem onClick={() => setEditOpen(true)}>Edit</RowActionsItem>
-        <RowActionsItem onClick={handleToggle} disabled={isPending}>
+        <RowActionsItem onClick={() => setToggleOpen(true)}>
           {user.isActive ? "Deactivate" : "Activate"}
         </RowActionsItem>
         {user.role !== "SUPERUSER" && user.role !== "ADMIN" && (
@@ -89,6 +83,14 @@ function UserActionsMenu({ user }: { user: UserRow }) {
         label={user.name}
         onConfirm={() => deleteUser(user.id)}
       />
+      <ConfirmDialog
+        open={toggleOpen}
+        onOpenChange={setToggleOpen}
+        title={user.isActive ? `Deactivate ${user.name}?` : `Activate ${user.name}?`}
+        description={user.isActive ? `This will prevent ${user.name} from signing in.` : `This will restore ${user.name}'s access to PPMS.`}
+        confirmLabel={user.isActive ? "Deactivate" : "Activate"}
+        onConfirm={() => toggleUserActive(user.id)}
+      />
     </>
   );
 }
diff --git a/App/app/(portal)/admin/vendors/vendors-table.tsx b/App/app/(portal)/admin/vendors/vendors-table.tsx
index ffa7b19..000a0b6 100644
--- a/App/app/(portal)/admin/vendors/vendors-table.tsx
+++ b/App/app/(portal)/admin/vendors/vendors-table.tsx
@@ -1,13 +1,13 @@
 "use client";
 
 import Link from "next/link";
-import { useState, useTransition } from "react";
-import { useRouter } from "next/navigation";
+import { useState } from "react";
 import { useTableControls } from "@/components/ui/use-table-controls";
 import { TableControls, SortableTh } from "@/components/ui/table-controls";
 import { AddVendorButton, EditVendorButton } from "./vendor-form";
 import { RowActionsMenu, RowActionsItem, RowActionsDestructiveItem, RowActionsSeparator } from "@/components/ui/row-actions-menu";
 import { DeleteConfirmDialog } from "@/components/ui/delete-confirm-dialog";
+import { ConfirmDialog } from "@/components/ui/confirm-dialog";
 import { deleteVendor, toggleVendorActive } from "./actions";
 
 type ContactRow = {
@@ -34,23 +34,15 @@ export type VendorRow = {
 const CHIPS = ["Verified", "Unverified", "Active", "Inactive"];
 
 function VendorActionsMenu({ vendor }: { vendor: VendorRow }) {
-  const router = useRouter();
   const [editOpen, setEditOpen] = useState(false);
   const [deleteOpen, setDeleteOpen] = useState(false);
-  const [isPending, startTransition] = useTransition();
-
-  function handleToggle() {
-    startTransition(async () => {
-      await toggleVendorActive(vendor.id);
-      router.refresh();
-    });
-  }
+  const [toggleOpen, setToggleOpen] = useState(false);
 
   return (
     <>
       <RowActionsMenu>
         <RowActionsItem onClick={() => setEditOpen(true)}>Edit</RowActionsItem>
-        <RowActionsItem onClick={handleToggle} disabled={isPending}>
+        <RowActionsItem onClick={() => setToggleOpen(true)}>
           {vendor.isActive ? "Deactivate" : "Activate"}
         </RowActionsItem>
         <RowActionsSeparator />
@@ -77,6 +69,14 @@ function VendorActionsMenu({ vendor }: { vendor: VendorRow }) {
         label={vendor.name}
         onConfirm={() => deleteVendor(vendor.id)}
       />
+      <ConfirmDialog
+        open={toggleOpen}
+        onOpenChange={setToggleOpen}
+        title={vendor.isActive ? `Deactivate ${vendor.name}?` : `Activate ${vendor.name}?`}
+        description={vendor.isActive ? `${vendor.name} will be hidden from new purchase orders.` : `${vendor.name} will become available for new purchase orders.`}
+        confirmLabel={vendor.isActive ? "Deactivate" : "Activate"}
+        onConfirm={() => toggleVendorActive(vendor.id)}
+      />
     </>
   );
 }
diff --git a/App/app/(portal)/admin/vessels/vessels-table.tsx b/App/app/(portal)/admin/vessels/vessels-table.tsx
index 8a89389..37f94bf 100644
--- a/App/app/(portal)/admin/vessels/vessels-table.tsx
+++ b/App/app/(portal)/admin/vessels/vessels-table.tsx
@@ -1,12 +1,12 @@
 "use client";
 
-import { useState, useTransition } from "react";
-import { useRouter } from "next/navigation";
+import { useState } from "react";
 import { useTableControls } from "@/components/ui/use-table-controls";
 import { TableControls, SortableTh } from "@/components/ui/table-controls";
 import { AddVesselButton, EditVesselButton } from "./vessel-form";
 import { RowActionsMenu, RowActionsItem, RowActionsDestructiveItem, RowActionsSeparator } from "@/components/ui/row-actions-menu";
 import { DeleteConfirmDialog } from "@/components/ui/delete-confirm-dialog";
+import { ConfirmDialog } from "@/components/ui/confirm-dialog";
 import { deleteVessel, toggleVesselActive } from "./actions";
 
 export type VesselRow = {
@@ -20,23 +20,15 @@ export type VesselRow = {
 const CHIPS = ["Active", "Inactive"];
 
 function VesselActionsMenu({ vessel }: { vessel: VesselRow }) {
-  const router = useRouter();
   const [editOpen, setEditOpen] = useState(false);
   const [deleteOpen, setDeleteOpen] = useState(false);
-  const [isPending, startTransition] = useTransition();
-
-  function handleToggle() {
-    startTransition(async () => {
-      await toggleVesselActive(vessel.id);
-      router.refresh();
-    });
-  }
+  const [toggleOpen, setToggleOpen] = useState(false);
 
   return (
     <>
       <RowActionsMenu>
         <RowActionsItem onClick={() => setEditOpen(true)}>Edit</RowActionsItem>
-        <RowActionsItem onClick={handleToggle} disabled={isPending}>
+        <RowActionsItem onClick={() => setToggleOpen(true)}>
           {vessel.isActive ? "Deactivate" : "Activate"}
         </RowActionsItem>
         <RowActionsSeparator />
@@ -59,6 +51,14 @@ function VesselActionsMenu({ vessel }: { vessel: VesselRow }) {
         label={vessel.name}
         onConfirm={() => deleteVessel(vessel.id)}
       />
+      <ConfirmDialog
+        open={toggleOpen}
+        onOpenChange={setToggleOpen}
+        title={vessel.isActive ? `Deactivate ${vessel.name}?` : `Activate ${vessel.name}?`}
+        description={vessel.isActive ? `${vessel.name} will be hidden from new purchase orders.` : `${vessel.name} will become available for new purchase orders.`}
+        confirmLabel={vessel.isActive ? "Deactivate" : "Activate"}
+        onConfirm={() => toggleVesselActive(vessel.id)}
+      />
     </>
   );
 }
diff --git a/App/components/ui/confirm-dialog.tsx b/App/components/ui/confirm-dialog.tsx
new file mode 100644
index 0000000..4a4619c
--- /dev/null
+++ b/App/components/ui/confirm-dialog.tsx
@@ -0,0 +1,70 @@
+"use client";
+
+import { useState, useTransition } from "react";
+import { useRouter } from "next/navigation";
+import { AdminDialog } from "@/components/ui/admin-dialog";
+
+type ActionResult = { ok: true } | { error: string };
+
+interface Props {
+  open: boolean;
+  onOpenChange: (v: boolean) => void;
+  title: string;
+  description: string;
+  confirmLabel: string;
+  onConfirm: () => Promise<ActionResult>;
+}
+
+export function ConfirmDialog({ open, onOpenChange, title, description, confirmLabel, onConfirm }: Props) {
+  const router = useRouter();
+  const [error, setError] = useState("");
+  const [isPending, startTransition] = useTransition();
+
+  function handleClose() {
+    if (isPending) return;
+    setError("");
+    onOpenChange(false);
+  }
+
+  function handleConfirm() {
+    setError("");
+    startTransition(async () => {
+      const result = await onConfirm();
+      if ("error" in result) {
+        setError(result.error);
+      } else {
+        onOpenChange(false);
+        router.refresh();
+      }
+    });
+  }
+
+  return (
+    <AdminDialog title={title} open={open} onClose={handleClose}>
+      <div className="space-y-4">
+        <p className="text-sm text-neutral-600">{description}</p>
+        {error && (
+          <p className="text-sm text-danger-700 bg-danger-50 rounded-lg px-3 py-2">{error}</p>
+        )}
+        <div className="flex justify-end gap-3 pt-1">
+          <button
+            type="button"
+            onClick={handleClose}
+            disabled={isPending}
+            className="rounded-lg border border-neutral-300 px-4 py-2 text-sm font-medium text-neutral-700 hover:bg-neutral-50 disabled:opacity-60"
+          >
+            Cancel
+          </button>
+          <button
+            type="button"
+            onClick={handleConfirm}
+            disabled={isPending}
+            className="rounded-lg bg-primary-600 px-4 py-2 text-sm font-semibold text-white hover:bg-primary-700 disabled:opacity-60 transition-colors"
+          >
+            {isPending ? `${confirmLabel}…` : confirmLabel}
+          </button>
+        </div>
+      </div>
+    </AdminDialog>
+  );
+}