diff --git a/components/HomeSpielplanTeamWidget.vue b/components/HomeSpielplanTeamWidget.vue
index fffbd6f..6bf56e2 100755
--- a/components/HomeSpielplanTeamWidget.vue
+++ b/components/HomeSpielplanTeamWidget.vue
@@ -58,7 +58,9 @@
               </p>
             </div>
             <p class="text-sm text-gray-800">
-              {{ game.HeimMannschaft }} vs {{ game.GastMannschaft }}
+              {{ formatMatchTeamName(game.HeimMannschaft, game.HeimMannschaftAltersklasse) }}
+              vs
+              {{ formatMatchTeamName(game.GastMannschaft, game.GastMannschaftAltersklasse) }}
             </p>
           </div>
         </div>
@@ -69,6 +71,7 @@
 
 <script setup>
 import { computed, ref, watch } from 'vue'
+import { formatTeamDisplayName } from '~/utils/team-display'
 
 const props = defineProps({
   season: {
@@ -91,10 +94,13 @@ const games = ref([])
 
 const widgetTitle = computed(() => {
   if (!props.teamName) return 'Mannschaft'
-  const youth = String(props.teamAgeGroup || '').toLowerCase().includes('jugend')
-  return youth ? `(J) ${props.teamName}` : props.teamName
+  return formatTeamDisplayName(props.teamName, props.teamAgeGroup)
 })
 
+function formatMatchTeamName(teamName, teamAgeGroup) {
+  return formatTeamDisplayName(teamName, teamAgeGroup) || '-'
+}
+
 const seasonLabel = computed(() => {
   const match = String(props.season || '').match(/^(\d{2})--(\d{2})$/)
   if (!match) return props.season || '-'
@@ -184,4 +190,4 @@ watch(
   },
   { immediate: true }
 )
-</script>
\ No newline at end of file
+</script>
diff --git a/components/Navigation.vue b/components/Navigation.vue
index 70fc015..780f311 100755
--- a/components/Navigation.vue
+++ b/components/Navigation.vue
@@ -111,10 +111,10 @@
               </NuxtLink>
             </div>
 
-            <div class="hidden lg:flex items-center h-6 border-t border-primary-700/20">
+            <div class="hidden lg:flex items-center h-6 min-w-0 border-t border-primary-700/20">
               <div
                 v-if="currentSubmenu"
-                class="flex items-center space-x-1"
+                :class="currentSubmenu === 'mannschaften' ? 'relative min-w-0 flex-1' : 'flex items-center space-x-1'"
               >
                 <!-- Newsletter Submenu -->
                 <template v-if="currentSubmenu === 'newsletter'">
@@ -188,41 +188,53 @@
 
                 <!-- Mannschaften Submenu -->
                 <template v-if="currentSubmenu === 'mannschaften'">
-                  <NuxtLink
-                    to="/mannschaften"
-                    class="px-2.5 py-1 text-xs font-semibold text-white hover:bg-primary-700/50 rounded transition-all"
-                    active-class="bg-primary-600"
-                  >
-                    Übersicht
-                  </NuxtLink>
-                  <div class="h-3 w-px bg-primary-700" />
-                  <template
-                    v-for="mannschaft in mannschaften"
-                    :key="mannschaft.slug"
+                  <div
+                    class="flex min-w-0 items-center gap-1 overflow-x-auto whitespace-nowrap scroll-smooth pr-7 [scrollbar-color:theme(colors.primary.700)_transparent] [scrollbar-width:thin]"
+                    tabindex="0"
+                    aria-label="Mannschaften-Untermenü – horizontal scrollbar"
                   >
                     <NuxtLink
-                      :to="`/mannschaften/${mannschaft.slug}`"
-                      class="px-2.5 py-1 text-xs text-gray-300 hover:text-white hover:bg-primary-700/50 rounded transition-all"
+                      to="/mannschaften"
+                      class="shrink-0 px-2.5 py-1 text-xs font-semibold text-white hover:bg-primary-700/50 rounded transition-all"
+                      active-class="bg-primary-600"
+                    >
+                      Übersicht
+                    </NuxtLink>
+                    <div class="h-3 w-px shrink-0 bg-primary-700" />
+                    <template
+                      v-for="mannschaft in mannschaften"
+                      :key="mannschaft.slug"
+                    >
+                      <NuxtLink
+                        :to="`/mannschaften/${mannschaft.slug}`"
+                        class="shrink-0 px-2.5 py-1 text-xs text-gray-300 hover:text-white hover:bg-primary-700/50 rounded transition-all"
+                        active-class="text-white bg-primary-600"
+                      >
+                        {{ mannschaft.mannschaft }}
+                      </NuxtLink>
+                    </template>
+                    <div class="h-3 w-px shrink-0 bg-primary-700" />
+                    <NuxtLink
+                      to="/mannschaften/spielplaene"
+                      class="shrink-0 px-2.5 py-1 text-xs text-gray-300 hover:text-white hover:bg-primary-700/50 rounded transition-all"
                       active-class="text-white bg-primary-600"
                     >
-                      {{ mannschaft.mannschaft }}
+                      Spielpläne
                     </NuxtLink>
-                  </template>
-                  <div class="h-3 w-px bg-primary-700" />
-                  <NuxtLink
-                    to="/mannschaften/spielplaene"
-                    class="px-2.5 py-1 text-xs text-gray-300 hover:text-white hover:bg-primary-700/50 rounded transition-all"
-                    active-class="text-white bg-primary-600"
+                    <NuxtLink
+                      to="/spielsysteme"
+                      class="shrink-0 px-2.5 py-1 text-xs text-gray-300 hover:text-white hover:bg-primary-700/50 rounded transition-all"
+                      active-class="text-white bg-primary-600"
+                    >
+                      Spielsysteme
+                    </NuxtLink>
+                  </div>
+                  <span
+                    aria-hidden="true"
+                    class="pointer-events-none absolute inset-y-0 right-0 flex w-9 items-center justify-end bg-gradient-to-l from-primary-900 via-primary-900/90 to-transparent text-primary-300"
                   >
-                    Spielpläne
-                  </NuxtLink>
-                  <NuxtLink
-                    to="/spielsysteme"
-                    class="px-2.5 py-1 text-xs text-gray-300 hover:text-white hover:bg-primary-700/50 rounded transition-all"
-                    active-class="text-white bg-primary-600"
-                  >
-                    Spielsysteme
-                  </NuxtLink>
+                    ›
+                  </span>
                 </template>
 
                 <!-- Training Submenu -->
diff --git a/components/Spielplan.vue b/components/Spielplan.vue
index 53c98ad..c3d594e 100755
--- a/components/Spielplan.vue
+++ b/components/Spielplan.vue
@@ -220,6 +220,7 @@
 
 <script setup>
 import { ref, onMounted, computed } from 'vue'
+import { formatTeamDisplayName } from '~/utils/team-display'
 
 const spielplanData = ref([])
 const isLoading = ref(false)
@@ -357,15 +358,8 @@ const formatTime = (terminString) => {
 
 const formatTeamName = (teamName, ageGroup) => {
   if (!teamName) return 'Nicht angegeben'
-  
-  // Prüfe ob es Nachwuchs ist
-  const isNachwuchs = ageGroup && (
-    ageGroup.toLowerCase().includes('jugend') || 
-    teamName.toLowerCase().includes('jugend')
-  )
-  
-  // Füge (J) für Nachwuchs hinzu
-  return isNachwuchs ? `(J) ${teamName}` : teamName
+
+  return formatTeamDisplayName(teamName, ageGroup)
 }
 
 const formatRunde = (runde) => {
diff --git a/package-lock.json b/package-lock.json
index 0ab1c24..2633d83 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "harheimertc-website",
-  "version": "1.8.4",
+  "version": "1.8.6",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "harheimertc-website",
-      "version": "1.8.4",
+      "version": "1.8.6",
       "hasInstallScript": true,
       "dependencies": {
         "@pinia/nuxt": "^0.11.2",
diff --git a/package.json b/package.json
index f52a571..e370800 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "harheimertc-website",
-  "version": "1.8.5",
+  "version": "1.8.6",
   "description": "Moderne Webseite für den Harheimer Tischtennis Club",
   "private": true,
   "type": "module",
@@ -18,7 +18,7 @@
     "test": "vitest run",
     "test:data-rotation": "vitest run tests/data-file-rotation.spec.ts",
     "check-security": "node scripts/verify-no-public-writes.js",
-    "smoke-local": "BASE_URL=http://127.0.0.1:3100 node scripts/smoke-tests.js",
+    "smoke-local": "BASE_URL=http://127.0.0.1:3100 node scripts/smoke-test.js",
     "sync-public-data": "node scripts/sync-public-data.js",
     "data-backups:list": "node scripts/data-backup-restore.js list",
     "data-backups:restore": "node scripts/data-backup-restore.js restore",
diff --git a/public/documents/beitrittserklärung_template.pdf b/public/documents/beitrittserklärung_template.pdf
index 9e80434..8168c28 100755
Binary files a/public/documents/beitrittserklärung_template.pdf and b/public/documents/beitrittserklärung_template.pdf differ
diff --git a/server/api/homepage/spielplan-options.get.js b/server/api/homepage/spielplan-options.get.js
index 1b950a0..2da2f1a 100755
--- a/server/api/homepage/spielplan-options.get.js
+++ b/server/api/homepage/spielplan-options.get.js
@@ -1,11 +1,8 @@
 import { listSpielplanSeasons, readSpielplanData, validateSeasonSlug } from '../../utils/spielplan-data.js'
+import { formatTeamDisplayName } from '../../../utils/team-display.js'
 
 function teamLabel(teamName, teamAgeGroup) {
-  const name = String(teamName || '').trim()
-  const age = String(teamAgeGroup || '').trim()
-  if (!name) return ''
-  const isYouth = age.toLowerCase().includes('jugend') || name.toLowerCase().includes('jugend')
-  return isYouth ? `(J) ${name}` : name
+  return formatTeamDisplayName(teamName, teamAgeGroup)
 }
 
 function extractHarheimerTeams(rows) {
@@ -58,4 +55,4 @@ export default defineEventHandler(async (event) => {
     seasons,
     teams: extractHarheimerTeams(dataResult.data)
   }
-})
\ No newline at end of file
+})
diff --git a/server/templates/mitgliedschaft-fillable.pdf b/server/templates/mitgliedschaft-fillable.pdf
index 9e80434..8168c28 100755
Binary files a/server/templates/mitgliedschaft-fillable.pdf and b/server/templates/mitgliedschaft-fillable.pdf differ
diff --git a/tests/auth-endpoints.spec.ts b/tests/auth-endpoints.spec.ts
index 2377f18..9975b6d 100755
--- a/tests/auth-endpoints.spec.ts
+++ b/tests/auth-endpoints.spec.ts
@@ -83,6 +83,7 @@ describe('Auth API Endpoints', () => {
   afterEach(() => {
     delete process.env.NODE_ENV
     delete process.env.APP_ENV
+    delete process.env.DEBUG
     delete process.env.NUXT_PUBLIC_BASE_URL
     delete process.env.PASSWORD_RESET_TTL_MIN
   })
@@ -282,6 +283,7 @@ describe('Auth API Endpoints', () => {
     it('benachrichtigt in Testumgebung nicht die Vorstand-Empfänger', async () => {
       process.env.NODE_ENV = 'production'
       process.env.APP_ENV = 'test'
+      delete process.env.DEBUG
 
       const event = createEvent()
       mockSuccessReadBody({
diff --git a/utils/team-display.js b/utils/team-display.js
new file mode 100644
index 0000000..cfbc7bf
--- /dev/null
+++ b/utils/team-display.js
@@ -0,0 +1,22 @@
+/**
+ * Makes youth teams identifiable while retaining the team name supplied by
+ * click-TT. Age groups occur in a few forms, for example "Jugend 13",
+ * "Jugend 13 1. Kreisklasse", and "J13".
+ */
+export function youthTeamCode(teamAgeGroup, teamName = '') {
+  const ageGroup = String(teamAgeGroup || '').trim()
+  const name = String(teamName || '').trim()
+  const codeMatch = ageGroup.match(/\b(?:jugend\s*|j\s*)(\d{1,2})\b/i)
+
+  if (codeMatch) return `J${codeMatch[1]}`
+  if (/\bjugend\b/i.test(ageGroup) || /\bjugend\b/i.test(name)) return 'J'
+  return ''
+}
+
+export function formatTeamDisplayName(teamName, teamAgeGroup) {
+  const name = String(teamName || '').trim()
+  if (!name) return ''
+
+  const youthCode = youthTeamCode(teamAgeGroup, name)
+  return youthCode ? `(${youthCode}) ${name}` : name
+}