feat: redesign CMS and unify German admin UI

lib/format.ts

@@ -1,6 +1,6 @@
 import { formatBerlinDate, formatBerlinTime } from "@/lib/calendar/timezone";
 
-/** Day + short month, e.g. { day: "15", month: "SEP" } — for the date badge on event cards. */
+/** Day + short month, e.g. { day: "15", month: "SEP" } - for the date badge on event cards. */
 export function formatEventDateParts(iso: string) {
   const date = new Date(iso);
   return {
@@ -23,7 +23,7 @@ export function formatTime(iso: string) {
 }
 
 export function formatTimeRange(start?: string | null, end?: string | null) {
-  if (start && end) return `${formatTime(start)} – ${formatTime(end)} Uhr`;
+  if (start && end) return `${formatTime(start)} - ${formatTime(end)} Uhr`;
   if (start) return `${formatTime(start)} Uhr`;
   return null;
 }