diff --git a/src/admin/components/PlanCellModal.tsx b/src/admin/components/PlanCellModal.tsx
index 9af8a48..e910f59 100644
--- a/src/admin/components/PlanCellModal.tsx
+++ b/src/admin/components/PlanCellModal.tsx
@@ -7,7 +7,7 @@ import ConfirmModal from "./ConfirmModal";
 import useReducedMotion from "../hooks/useReducedMotion";
 import {
   ResolvedCell,
-  PLAN_CATEGORIES,
+  PlanCategory,
   planCategoryLabel,
   cellProjectLabel,
 } from "../lib/queries/plan";
@@ -61,6 +61,7 @@ interface Props {
   open: boolean;
   mode: PlanCellModalMode;
   projects: Project[];
+  categories: PlanCategory[];
   onClose: () => void;
   onSaveEntry: (body: any) => Promise<void>;
   onUpdateEntry: (id: number, body: any) => Promise<void>;
@@ -112,6 +113,7 @@ function EditForm(props: Props) {
   }
 
   const isOverride = mode.kind === "edit-override";
+  const activeCategories = props.categories.filter((c) => c.is_active);
 
   const initial = (() => {
     if (mode.kind === "create") {
@@ -292,8 +294,8 @@ function EditForm(props: Props) {
             value={category}
             onChange={(e) => setCategory(e.target.value)}
           >
-            {PLAN_CATEGORIES.map((c) => (
-              <option key={c.value} value={c.value}>
+            {activeCategories.map((c) => (
+              <option key={c.key} value={c.key}>
                 {c.label}
               </option>
             ))}
@@ -419,7 +421,7 @@ function DayInRangeModal(
 }
 
 function ViewModal(props: Props) {
-  const { mode, onClose, projects } = props;
+  const { mode, onClose, projects, categories } = props;
   if (mode.kind !== "view") return null;
   const c = mode.cell;
   // Prefer the server-embedded project label; fall back to the projects-list
@@ -440,7 +442,11 @@ function ViewModal(props: Props) {
         <strong>Datum:</strong> {formatDate(c.shift_date)}
       </p>
       <p>
-        <strong>Kategorie:</strong> {planCategoryLabel(c.category)}
+        <strong>Kategorie:</strong>{" "}
+        {planCategoryLabel(
+          c.category,
+          Object.fromEntries(categories.map((x) => [x.key, x])),
+        )}
       </p>
       <p>
         <strong>Projekt:</strong> {projectLabel || "—"}
diff --git a/src/admin/lib/queries/plan.ts b/src/admin/lib/queries/plan.ts
index 068f419..e4f8008 100644
--- a/src/admin/lib/queries/plan.ts
+++ b/src/admin/lib/queries/plan.ts
@@ -53,19 +53,6 @@ export function categoryMap(
   return map;
 }
 
-/** Czech labels for the plan_category enum — single source of truth shared
- * by the grid chips, the detail view, and aria-labels. */
-export const PLAN_CATEGORIES: ReadonlyArray<{ value: string; label: string }> =
-  [
-    { value: "work", label: "Práce" },
-    { value: "preparation", label: "Příprava" },
-    { value: "travel", label: "Cesta / Montáž" },
-    { value: "leave", label: "Dovolená" },
-    { value: "sick", label: "Nemoc" },
-    { value: "training", label: "Školení" },
-    { value: "other", label: "Jiné" },
-  ];
-
 /** Czech label for a plan category key, resolved from the loaded categories
  * map, falling back to the raw key. The `map` arg is optional so callers not
  * yet threading categories still compile (they show the raw key until wired). */
diff --git a/src/admin/pages/PlanWork.tsx b/src/admin/pages/PlanWork.tsx
index 23f2d51..de344fb 100644
--- a/src/admin/pages/PlanWork.tsx
+++ b/src/admin/pages/PlanWork.tsx
@@ -684,6 +684,7 @@ export default function PlanWork() {
         open={hookModal.kind !== "closed"}
         mode={modalMode}
         projects={projects}
+        categories={categories}
         onClose={closeModal}
         onSaveEntry={saveEntry}
         onUpdateEntry={updateEntryFn}