diff --git a/src/i18n/de.json b/src/i18n/de.json
index 923da47..c5e9384 100644
--- a/src/i18n/de.json
+++ b/src/i18n/de.json
@@ -497,7 +497,8 @@
     "deleteRoomConfirm": "Raum \"{name}\" wirklich löschen? Dies kann nicht rückgängig gemacht werden.",
     "roomDeleted": "Raum gelöscht",
     "roomDeleteFailed": "Raum konnte nicht gelöscht werden",
-    "noRoomsFound": "Keine Räume vorhanden"
+    "noRoomsFound": "Keine Räume vorhanden",
+    "showAllRooms": "Alle {count} Räume anzeigen"
   },
   "notifications": {
     "bell": "Benachrichtigungen",
diff --git a/src/i18n/en.json b/src/i18n/en.json
index 7cd6bc8..ea76fbd 100644
--- a/src/i18n/en.json
+++ b/src/i18n/en.json
@@ -497,7 +497,8 @@
     "deleteRoomConfirm": "Really delete room \"{name}\"? This cannot be undone.",
     "roomDeleted": "Room deleted",
     "roomDeleteFailed": "Room could not be deleted",
-    "noRoomsFound": "No rooms found"
+    "noRoomsFound": "No rooms found",
+    "showAllRooms": "Show all {count} rooms"
   },
   "notifications": {
     "bell": "Notifications",
diff --git a/src/pages/Admin.jsx b/src/pages/Admin.jsx
index 47a8dcf..7ed91d0 100644
--- a/src/pages/Admin.jsx
+++ b/src/pages/Admin.jsx
@@ -59,6 +59,9 @@ export default function Admin() {
   const [adminRooms, setAdminRooms] = useState([]);
   const [adminRoomsLoading, setAdminRoomsLoading] = useState(true);
   const [roomSearch, setRoomSearch] = useState('');
+  const [roomsExpanded, setRoomsExpanded] = useState(false);
+  const [showAllRoomsModal, setShowAllRoomsModal] = useState(false);
+  const [allRoomsSearch, setAllRoomsSearch] = useState('');
 
   useEffect(() => {
     if (user?.role !== 'admin') {
@@ -821,109 +824,117 @@ export default function Admin() {
 
       {/* Room Management */}
       <div className="card p-6 mb-8">
-        <div className="flex items-center gap-2 mb-4">
-          <DoorOpen size={20} className="text-th-accent" />
-          <h2 className="text-lg font-semibold text-th-text">{t('admin.roomsTitle')}</h2>
-        </div>
-        <p className="text-sm text-th-text-s mb-5">{t('admin.roomsDescription')}</p>
-
-        {adminRoomsLoading ? (
-          <div className="flex justify-center py-4">
-            <Loader2 size={20} className="animate-spin text-th-accent" />
+        <button
+          type="button"
+          onClick={() => setRoomsExpanded(v => !v)}
+          className="flex items-center justify-between w-full text-left"
+        >
+          <div className="flex items-center gap-2">
+            <DoorOpen size={20} className="text-th-accent" />
+            <h2 className="text-lg font-semibold text-th-text">{t('admin.roomsTitle')}</h2>
+            <span className="text-sm text-th-text-s">({adminRooms.length})</span>
           </div>
-        ) : (
-          <>
-            {/* Room search */}
-            <div className="relative mb-4">
-              <Search size={16} className="absolute left-3 top-1/2 -translate-y-1/2 text-th-text-s" />
-              <input
-                type="text"
-                value={roomSearch}
-                onChange={e => setRoomSearch(e.target.value)}
-                className="input-field pl-9 text-sm"
-                placeholder={t('admin.searchRooms')}
-              />
-            </div>
+          <ChevronDown size={18} className={`text-th-text-s transition-transform duration-200 ${roomsExpanded ? 'rotate-180' : ''}`} />
+        </button>
 
-            <div className="overflow-x-auto">
-              <table className="w-full">
-                <thead>
-                  <tr className="border-b border-th-border">
-                    <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5">
-                      {t('admin.roomName')}
-                    </th>
-                    <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden sm:table-cell">
-                      {t('admin.roomOwner')}
-                    </th>
-                    <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden md:table-cell">
-                      {t('admin.roomShares')}
-                    </th>
-                    <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden lg:table-cell">
-                      {t('admin.roomCreated')}
-                    </th>
-                    <th className="text-right text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5">
-                      {t('admin.actions')}
-                    </th>
-                  </tr>
-                </thead>
-                <tbody>
-                  {adminRooms
-                    .filter(r =>
-                      r.name.toLowerCase().includes(roomSearch.toLowerCase()) ||
-                      r.owner_name.toLowerCase().includes(roomSearch.toLowerCase()) ||
-                      r.uid.toLowerCase().includes(roomSearch.toLowerCase())
-                    )
-                    .map(r => (
-                      <tr key={r.id} className="border-b border-th-border last:border-0 hover:bg-th-hover transition-colors">
-                        <td className="px-4 py-3">
-                          <div>
-                            <p className="text-sm font-medium text-th-text">{r.name}</p>
-                            <p className="text-xs text-th-text-s font-mono">{r.uid}</p>
-                          </div>
-                        </td>
-                        <td className="px-4 py-3 hidden sm:table-cell">
-                          <div>
-                            <p className="text-sm text-th-text">{r.owner_name}</p>
-                            <p className="text-xs text-th-text-s">{r.owner_email}</p>
-                          </div>
-                        </td>
-                        <td className="px-4 py-3 text-sm text-th-text hidden md:table-cell">
-                          {r.share_count}
-                        </td>
-                        <td className="px-4 py-3 text-sm text-th-text-s hidden lg:table-cell">
-                          {new Date(r.created_at).toLocaleDateString(language === 'de' ? 'de-DE' : 'en-US')}
-                        </td>
-                        <td className="px-4 py-3">
-                          <div className="flex items-center justify-end gap-1">
-                            <button
-                              onClick={() => navigate(`/rooms/${r.uid}`)}
-                              className="p-1.5 rounded-lg hover:bg-th-hover text-th-text-s transition-colors"
-                              title={t('admin.roomView')}
-                            >
-                              <Eye size={15} />
-                            </button>
-                            <button
-                              onClick={() => handleAdminDeleteRoom(r.uid, r.name)}
-                              className="p-1.5 rounded-lg hover:bg-th-hover text-th-error transition-colors"
-                              title={t('admin.deleteRoom')}
-                            >
-                              <Trash2 size={15} />
-                            </button>
-                          </div>
-                        </td>
-                      </tr>
-                    ))}
-                </tbody>
-              </table>
-            </div>
+        {roomsExpanded && (
+          <div className="mt-4">
+            <p className="text-sm text-th-text-s mb-5">{t('admin.roomsDescription')}</p>
 
-            {adminRooms.length === 0 && (
-              <div className="text-center py-8">
-                <DoorOpen size={36} className="mx-auto text-th-text-s/40 mb-2" />
-                <p className="text-th-text-s text-sm">{t('admin.noRoomsFound')}</p>
+            {adminRoomsLoading ? (
+              <div className="flex justify-center py-4">
+                <Loader2 size={20} className="animate-spin text-th-accent" />
               </div>
+            ) : (
+              <>
+                {adminRooms.length > 0 && (
+                  <div className="overflow-x-auto">
+                    <table className="w-full">
+                      <thead>
+                        <tr className="border-b border-th-border">
+                          <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5">
+                            {t('admin.roomName')}
+                          </th>
+                          <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden sm:table-cell">
+                            {t('admin.roomOwner')}
+                          </th>
+                          <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden md:table-cell">
+                            {t('admin.roomShares')}
+                          </th>
+                          <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden lg:table-cell">
+                            {t('admin.roomCreated')}
+                          </th>
+                          <th className="text-right text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5">
+                            {t('admin.actions')}
+                          </th>
+                        </tr>
+                      </thead>
+                      <tbody>
+                        {adminRooms.slice(0, 10).map(r => (
+                          <tr key={r.id} className="border-b border-th-border last:border-0 hover:bg-th-hover transition-colors">
+                            <td className="px-4 py-3">
+                              <div>
+                                <p className="text-sm font-medium text-th-text">{r.name}</p>
+                                <p className="text-xs text-th-text-s font-mono">{r.uid}</p>
+                              </div>
+                            </td>
+                            <td className="px-4 py-3 hidden sm:table-cell">
+                              <div>
+                                <p className="text-sm text-th-text">{r.owner_name}</p>
+                                <p className="text-xs text-th-text-s">{r.owner_email}</p>
+                              </div>
+                            </td>
+                            <td className="px-4 py-3 text-sm text-th-text hidden md:table-cell">
+                              {r.share_count}
+                            </td>
+                            <td className="px-4 py-3 text-sm text-th-text-s hidden lg:table-cell">
+                              {new Date(r.created_at).toLocaleDateString(language === 'de' ? 'de-DE' : 'en-US')}
+                            </td>
+                            <td className="px-4 py-3">
+                              <div className="flex items-center justify-end gap-1">
+                                <button
+                                  onClick={() => navigate(`/rooms/${r.uid}`)}
+                                  className="p-1.5 rounded-lg hover:bg-th-hover text-th-text-s transition-colors"
+                                  title={t('admin.roomView')}
+                                >
+                                  <Eye size={15} />
+                                </button>
+                                <button
+                                  onClick={() => handleAdminDeleteRoom(r.uid, r.name)}
+                                  className="p-1.5 rounded-lg hover:bg-th-hover text-th-error transition-colors"
+                                  title={t('admin.deleteRoom')}
+                                >
+                                  <Trash2 size={15} />
+                                </button>
+                              </div>
+                            </td>
+                          </tr>
+                        ))}
+                      </tbody>
+                    </table>
+                  </div>
+                )}
+
+                {adminRooms.length > 10 && (
+                  <div className="mt-4 text-center">
+                    <button
+                      onClick={() => { setAllRoomsSearch(''); setShowAllRoomsModal(true); }}
+                      className="btn-secondary text-sm"
+                    >
+                      {t('admin.showAllRooms', { count: adminRooms.length })}
+                    </button>
+                  </div>
+                )}
+
+                {adminRooms.length === 0 && (
+                  <div className="text-center py-8">
+                    <DoorOpen size={36} className="mx-auto text-th-text-s/40 mb-2" />
+                    <p className="text-th-text-s text-sm">{t('admin.noRoomsFound')}</p>
+                  </div>
+                )}
+              </>
             )}
-          </>
+          </div>
         )}
       </div>
 
@@ -1204,6 +1215,119 @@ export default function Admin() {
           </div>
         </div>
       )}
+
+      {/* All rooms modal */}
+      {showAllRoomsModal && (
+        <div className="fixed inset-0 z-50 flex items-center justify-center p-4">
+          <div className="fixed inset-0 bg-black/60 backdrop-blur-sm" onClick={() => setShowAllRoomsModal(false)} />
+          <div className="relative bg-th-card rounded-2xl border border-th-border shadow-2xl w-full max-w-4xl max-h-[85vh] flex flex-col">
+            <div className="flex items-center justify-between p-6 border-b border-th-border">
+              <div className="flex items-center gap-2">
+                <DoorOpen size={20} className="text-th-accent" />
+                <h3 className="text-lg font-semibold text-th-text">{t('admin.roomsTitle')}</h3>
+                <span className="text-sm text-th-text-s">({adminRooms.length})</span>
+              </div>
+              <button onClick={() => setShowAllRoomsModal(false)} className="p-1.5 rounded-lg hover:bg-th-hover text-th-text-s transition-colors">
+                <XIcon size={18} />
+              </button>
+            </div>
+            <div className="p-4 border-b border-th-border">
+              <div className="relative">
+                <Search size={16} className="absolute left-3 top-1/2 -translate-y-1/2 text-th-text-s" />
+                <input
+                  type="text"
+                  value={allRoomsSearch}
+                  onChange={e => setAllRoomsSearch(e.target.value)}
+                  className="input-field pl-9 text-sm"
+                  placeholder={t('admin.searchRooms')}
+                  autoFocus
+                />
+              </div>
+            </div>
+            <div className="overflow-y-auto flex-1 p-0">
+              <table className="w-full">
+                <thead className="sticky top-0 bg-th-card z-10">
+                  <tr className="border-b border-th-border">
+                    <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5">
+                      {t('admin.roomName')}
+                    </th>
+                    <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden sm:table-cell">
+                      {t('admin.roomOwner')}
+                    </th>
+                    <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden md:table-cell">
+                      {t('admin.roomShares')}
+                    </th>
+                    <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden lg:table-cell">
+                      {t('admin.roomCreated')}
+                    </th>
+                    <th className="text-right text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5">
+                      {t('admin.actions')}
+                    </th>
+                  </tr>
+                </thead>
+                <tbody>
+                  {adminRooms
+                    .filter(r =>
+                      r.name.toLowerCase().includes(allRoomsSearch.toLowerCase()) ||
+                      r.owner_name.toLowerCase().includes(allRoomsSearch.toLowerCase()) ||
+                      r.uid.toLowerCase().includes(allRoomsSearch.toLowerCase())
+                    )
+                    .map(r => (
+                      <tr key={r.id} className="border-b border-th-border last:border-0 hover:bg-th-hover transition-colors">
+                        <td className="px-4 py-3">
+                          <div>
+                            <p className="text-sm font-medium text-th-text">{r.name}</p>
+                            <p className="text-xs text-th-text-s font-mono">{r.uid}</p>
+                          </div>
+                        </td>
+                        <td className="px-4 py-3 hidden sm:table-cell">
+                          <div>
+                            <p className="text-sm text-th-text">{r.owner_name}</p>
+                            <p className="text-xs text-th-text-s">{r.owner_email}</p>
+                          </div>
+                        </td>
+                        <td className="px-4 py-3 text-sm text-th-text hidden md:table-cell">
+                          {r.share_count}
+                        </td>
+                        <td className="px-4 py-3 text-sm text-th-text-s hidden lg:table-cell">
+                          {new Date(r.created_at).toLocaleDateString(language === 'de' ? 'de-DE' : 'en-US')}
+                        </td>
+                        <td className="px-4 py-3">
+                          <div className="flex items-center justify-end gap-1">
+                            <button
+                              onClick={() => { setShowAllRoomsModal(false); navigate(`/rooms/${r.uid}`); }}
+                              className="p-1.5 rounded-lg hover:bg-th-hover text-th-text-s transition-colors"
+                              title={t('admin.roomView')}
+                            >
+                              <Eye size={15} />
+                            </button>
+                            <button
+                              onClick={() => handleAdminDeleteRoom(r.uid, r.name)}
+                              className="p-1.5 rounded-lg hover:bg-th-hover text-th-error transition-colors"
+                              title={t('admin.deleteRoom')}
+                            >
+                              <Trash2 size={15} />
+                            </button>
+                          </div>
+                        </td>
+                      </tr>
+                    ))}
+                </tbody>
+              </table>
+              {adminRooms.filter(r =>
+                r.name.toLowerCase().includes(allRoomsSearch.toLowerCase()) ||
+                r.owner_name.toLowerCase().includes(allRoomsSearch.toLowerCase()) ||
+                r.uid.toLowerCase().includes(allRoomsSearch.toLowerCase())
+              ).length === 0 && (
+                <div className="text-center py-12">
+                  <DoorOpen size={36} className="mx-auto text-th-text-s/40 mb-2" />
+                  <p className="text-th-text-s text-sm">{t('admin.noRoomsFound')}</p>
+                </div>
+              )}
+            </div>
+          </div>
+        </div>
+      )}
     </div>
   );
 }