diff --git a/src/admin/pages/Invoices.tsx b/src/admin/pages/Invoices.tsx
index 239ffc5..128cb79 100644
--- a/src/admin/pages/Invoices.tsx
+++ b/src/admin/pages/Invoices.tsx
@@ -20,6 +20,7 @@ import {
 import { normalizeDateStr } from "../utils/attendanceHelpers";
 import { usePaginatedQuery } from "../hooks/usePaginatedQuery";
 import useTableSort from "../hooks/useTableSort";
+import useDebounce from "../hooks/useDebounce";
 import {
   invoiceListOptions,
   invoiceStatsOptions,
@@ -214,6 +215,7 @@ export default function Invoices() {
   const [receivedUploadOpen, setReceivedUploadOpen] = useState(false);
   const { sort, order, handleSort } = useTableSort("invoice_number");
   const [search, setSearch] = useState("");
+  const debouncedSearch = useDebounce(search, 300);
   const [page, setPage] = useState(1);
   const [statusFilter, setStatusFilter] = useState("");
 
@@ -269,6 +271,11 @@ export default function Invoices() {
     invoice: Invoice | null;
   }>({ show: false, invoice: null });
   const [deleting, setDeleting] = useState(false);
+  const [paidConfirm, setPaidConfirm] = useState<{
+    show: boolean;
+    invoice: Invoice | null;
+  }>({ show: false, invoice: null });
+  const [markingPaid, setMarkingPaid] = useState(false);
   const [pdfLoading, setPdfLoading] = useState<number | null>(null);
 
   const queryClient = useQueryClient();
@@ -279,7 +286,7 @@ export default function Invoices() {
     isFetching: loading,
   } = usePaginatedQuery<Invoice>(
     invoiceListOptions({
-      search,
+      search: debouncedSearch,
       sort,
       order,
       page,
@@ -294,7 +301,7 @@ export default function Invoices() {
   // matches what's shown. Separate from the KPI `statsQuery` above.
   const listTotalsQuery = useQuery(
     invoiceTotalsOptions({
-      search,
+      search: debouncedSearch,
       status: statusFilter || undefined,
       month: statsMonth,
       year: statsYear,
@@ -336,16 +343,21 @@ export default function Invoices() {
     }
   };
 
-  const toggleStatus = async (inv: Invoice) => {
-    if (inv.status === "paid") return;
+  const handleMarkPaid = async () => {
+    if (!paidConfirm.invoice) return;
+    setMarkingPaid(true);
     try {
-      const res = await apiFetch(`${API_BASE}/invoices/${inv.id}`, {
-        method: "PUT",
-        headers: { "Content-Type": "application/json" },
-        body: JSON.stringify({ status: "paid" }),
-      });
+      const res = await apiFetch(
+        `${API_BASE}/invoices/${paidConfirm.invoice.id}`,
+        {
+          method: "PUT",
+          headers: { "Content-Type": "application/json" },
+          body: JSON.stringify({ status: "paid" }),
+        },
+      );
       const data = await res.json();
       if (data.success) {
+        setPaidConfirm({ show: false, invoice: null });
         alert.success("Faktura označena jako zaplacená");
         queryClient.invalidateQueries({ queryKey: ["invoices"] });
         queryClient.invalidateQueries({ queryKey: ["orders"] });
@@ -355,6 +367,8 @@ export default function Invoices() {
       }
     } catch {
       alert.error("Chyba připojení");
+    } finally {
+      setMarkingPaid(false);
     }
   };
 
@@ -557,7 +571,8 @@ export default function Invoices() {
           <StatusChip
             label={statusLabel(INVOICE_STATUS, inv.status)}
             color={statusColor(INVOICE_STATUS, inv.status)}
-            onClick={() => toggleStatus(inv)}
+            title="Označit jako zaplacenou"
+            onClick={() => setPaidConfirm({ show: true, invoice: inv })}
           />
         ),
     },
@@ -613,7 +628,8 @@ export default function Invoices() {
           >
             {inv.status === "paid" ? ViewIcon : EditIcon}
           </IconButton>
-          {hasPermission("invoices.view") && (
+          {/* Drafts have no number yet — /file 404s for them. */}
+          {hasPermission("invoices.view") && inv.invoice_number && (
             <IconButton
               size="small"
               onClick={() => handlePdf(inv)}
@@ -760,7 +776,7 @@ export default function Invoices() {
               sortDir={order}
               onSort={handleSort}
               empty={
-                search || statusFilter ? (
+                debouncedSearch || statusFilter ? (
                   <EmptyState title="Žádné faktury neodpovídají filtru." />
                 ) : (
                   <EmptyState
@@ -807,12 +823,23 @@ export default function Invoices() {
             onClose={() => setDeleteConfirm({ show: false, invoice: null })}
             onConfirm={handleDelete}
             title="Smazat fakturu"
-            message={`Opravdu chcete smazat fakturu "${deleteConfirm.invoice?.invoice_number}"? Tato akce je nevratná.`}
+            message={`Opravdu chcete smazat fakturu "${documentNumberLabel(deleteConfirm.invoice?.invoice_number)}"? Tato akce je nevratná.`}
             confirmText="Smazat"
             cancelText="Zrušit"
             confirmVariant="danger"
             loading={deleting}
           />
+
+          <ConfirmDialog
+            isOpen={paidConfirm.show}
+            onClose={() => setPaidConfirm({ show: false, invoice: null })}
+            onConfirm={handleMarkPaid}
+            title="Označit fakturu jako zaplacenou"
+            message={`Označit fakturu "${documentNumberLabel(paidConfirm.invoice?.invoice_number)}" jako zaplacenou? Tato akce je nevratná.`}
+            confirmText="Označit jako zaplacenou"
+            cancelText="Zrušit"
+            loading={markingPaid}
+          />
         </>
       </TabPanel>
     </PageEnter>
diff --git a/src/admin/pages/IssuedOrders.tsx b/src/admin/pages/IssuedOrders.tsx
index 61a4fed..5237f3f 100644
--- a/src/admin/pages/IssuedOrders.tsx
+++ b/src/admin/pages/IssuedOrders.tsx
@@ -436,7 +436,7 @@ export default function IssuedOrders({ month, year }: IssuedOrdersProps) {
                 action={
                   hasPermission("orders.create") ? (
                     <Button component={RouterLink} to="/orders/issued/new">
-                      Vytvořit objednávku
+                      Nová vydaná objednávka
                     </Button>
                   ) : undefined
                 }
diff --git a/src/admin/pages/Orders.tsx b/src/admin/pages/Orders.tsx
index be1d4e4..e01dfb2 100644
--- a/src/admin/pages/Orders.tsx
+++ b/src/admin/pages/Orders.tsx
@@ -122,11 +122,11 @@ export default function Orders() {
                 startIcon={PlusIcon}
                 onClick={() => navigate("/orders/issued/new")}
               >
-                Vytvořit objednávku
+                Nová vydaná objednávka
               </Button>
             ) : (
               <Button startIcon={PlusIcon} onClick={() => setCreateOpen(true)}>
-                Vytvořit objednávku
+                Nová přijatá objednávka
               </Button>
             )
           ) : undefined
diff --git a/src/admin/pages/ReceivedInvoices.tsx b/src/admin/pages/ReceivedInvoices.tsx
index 0a0de93..8b11a94 100644
--- a/src/admin/pages/ReceivedInvoices.tsx
+++ b/src/admin/pages/ReceivedInvoices.tsx
@@ -16,6 +16,7 @@ import {
 } from "../utils/formatters";
 import { normalizeDateStr } from "../utils/attendanceHelpers";
 import useTableSort from "../hooks/useTableSort";
+import useDebounce from "../hooks/useDebounce";
 import { usePaginatedQuery } from "../hooks/usePaginatedQuery";
 import {
   companySettingsOptions,
@@ -248,6 +249,7 @@ export default function ReceivedInvoices({
   const queryClient = useQueryClient();
   const { sort, order, handleSort } = useTableSort("created_at");
   const [search, setSearch] = useState("");
+  const debouncedSearch = useDebounce(search, 300);
 
   const [editOpen, setEditOpen] = useState(false);
   const [editInvoice, setEditInvoice] = useState<EditInvoice | null>(null);
@@ -257,6 +259,10 @@ export default function ReceivedInvoices({
     show: boolean;
     invoice: ReceivedInvoice | null;
   }>({ show: false, invoice: null });
+  const [paidConfirm, setPaidConfirm] = useState<{
+    show: boolean;
+    invoice: ReceivedInvoice | null;
+  }>({ show: false, invoice: null });
   const hasLoadedOnce = useRef(false);
   const blobTimeoutsRef = useRef<ReturnType<typeof setTimeout>[]>([]);
 
@@ -286,7 +292,7 @@ export default function ReceivedInvoices({
     receivedInvoiceListOptions({
       month: statsMonth,
       year: statsYear,
-      search,
+      search: debouncedSearch,
       sort,
       order,
       page,
@@ -306,7 +312,7 @@ export default function ReceivedInvoices({
     receivedInvoiceTotalsOptions({
       month: statsMonth,
       year: statsYear,
-      search,
+      search: debouncedSearch,
     }),
   );
 
@@ -580,10 +586,14 @@ export default function ReceivedInvoices({
     }
   };
 
-  const toggleStatus = async (inv: ReceivedInvoice) => {
-    if (inv.status === "paid") return;
+  const handleMarkPaid = async () => {
+    if (!paidConfirm.invoice) return;
     try {
-      await toggleStatusMutation.mutateAsync({ id: inv.id, status: "paid" });
+      await toggleStatusMutation.mutateAsync({
+        id: paidConfirm.invoice.id,
+        status: "paid",
+      });
+      setPaidConfirm({ show: false, invoice: null });
     } catch (e) {
       alert.error(e instanceof Error ? e.message : "Nepodařilo se změnit stav");
     }
@@ -675,7 +685,8 @@ export default function ReceivedInvoices({
           <StatusChip
             label={statusLabel(RECEIVED_INVOICE_STATUS, inv.status)}
             color={statusColor(RECEIVED_INVOICE_STATUS, inv.status)}
-            onClick={() => toggleStatus(inv)}
+            title="Označit jako uhrazenou"
+            onClick={() => setPaidConfirm({ show: true, invoice: inv })}
           />
         ),
     },
@@ -855,7 +866,7 @@ export default function ReceivedInvoices({
             sortDir={order}
             onSort={handleSort}
             empty={
-              search ? (
+              debouncedSearch ? (
                 <EmptyState title="Žádné faktury neodpovídají hledání." />
               ) : (
                 <EmptyState
@@ -1329,6 +1340,17 @@ export default function ReceivedInvoices({
         confirmVariant="danger"
         loading={deleting}
       />
+
+      <ConfirmDialog
+        isOpen={paidConfirm.show}
+        onClose={() => setPaidConfirm({ show: false, invoice: null })}
+        onConfirm={handleMarkPaid}
+        title="Označit fakturu jako uhrazenou"
+        message={`Označit fakturu "${paidConfirm.invoice?.invoice_number || paidConfirm.invoice?.supplier_name || ""}" jako uhrazenou?`}
+        confirmText="Označit jako uhrazenou"
+        cancelText="Zrušit"
+        loading={toggleStatusMutation.isPending}
+      />
     </>
   );
 }