diff --git a/src/App.jsx b/src/App.jsx
index 74f0ad0..23fd9d1 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -5,6 +5,7 @@ import Sidebar from './components/Navbar'
 import Logo from './components/Logo'
 import LoginPage from './pages/LoginPage'
 import TicketsPage from './pages/TicketsPage'
+import TicketPage from './pages/TicketPage'
 import PlanboardPage from './pages/PlanboardPage'
 import ProjectsPage from './pages/ProjectsPage'
 import AdminPage from './pages/AdminPage'
@@ -48,6 +49,7 @@ function AppRoutes() {
       <Route path="/login" element={user ? <Navigate to={safeReturnPath(location.state?.from)} replace /> : <LoginPage />} />
       <Route path="/" element={<Navigate to="/tickets" replace />} />
       <Route path="/tickets" element={<ProtectedRoute><TicketsPage /></ProtectedRoute>} />
+      <Route path="/tickets/:ref/:tab?" element={<ProtectedRoute><TicketPage /></ProtectedRoute>} />
       <Route path="/customers" element={<ProtectedRoute><CustomersPage /></ProtectedRoute>} />
       {/* Messenger (Kunden -> Chat); statische Pfade gehen in react-router vor /customers/:id */}
       <Route path="/customers/chat" element={<ProtectedRoute><CustomerChatPage /></ProtectedRoute>} />
@@ -87,10 +89,13 @@ function AppContent() {
     window.scrollTo(0, 0)
   }, [location.pathname])
 
-  // Esc schliesst die Schublade, nur solange sie offen ist
+  // Esc schliesst die Schublade, nur solange sie offen ist und nur, wenn kein anderer Baustein die Taste schon behandelt hat
   useEffect(() => {
     if (!menuOpen) return undefined
-    const onKey = (e) => { if (e.key === 'Escape') setMenuOpen(false) }
+    const onKey = (e) => {
+      if (e.defaultPrevented) return
+      if (e.key === 'Escape') setMenuOpen(false)
+    }
     document.addEventListener('keydown', onKey)
     return () => document.removeEventListener('keydown', onKey)
   }, [menuOpen])
diff --git a/src/pages/TicketPage.jsx b/src/pages/TicketPage.jsx
new file mode 100644
index 0000000..424d274
--- /dev/null
+++ b/src/pages/TicketPage.jsx
@@ -0,0 +1,296 @@
+import { useMemo, useState } from 'react'
+import { Link, Navigate, useLocation, useNavigate, useParams } from 'react-router-dom'
+import { PageHeader, Tabs, Card, EmptyState, Button } from '../components/ui'
+import UrgentToggle from '../components/UrgentToggle'
+import WorksheetSummary from '../components/WorksheetSummary'
+import WorksheetList from '../components/WorksheetList'
+import ProjectContextPanel from '../components/ProjectContextPanel'
+import TicketProjects from '../components/TicketProjects'
+import CreateWorksheetModal from '../components/CreateWorksheetModal'
+import WorksheetTimesModal from '../components/WorksheetTimesModal'
+import OwnSupportModal from '../components/OwnSupportModal'
+import { useAuth } from '../context/AuthContext'
+import { useEmployees } from '../hooks/useEmployees'
+import { useWorkorder } from '../hooks/useWorkorder'
+import { useWorksheets } from '../hooks/useWorksheets'
+import { useCustomerAbo } from '../hooks/useCustomerAbo'
+import { databases, DATABASE_ID, COLLECTIONS } from '../lib/appwrite'
+import { elapsedLabel } from '../lib/elapsed'
+import { canAddOwnSupport } from '../lib/support'
+import { canEditWorksheetTimes, serviceTypeLabel } from '../lib/ticketForm'
+import { listBackPath, resolveTicketTab, ticketPath, ticketRef } from '../lib/ticketRoutes'
+import { statusSelectOptions, ticketTypeLabel } from '../lib/ticketStatus'
+import { appointmentText, assigneeOptions, dueText, ticketNumber } from '../lib/ticketView'
+import { createWorksheetFlow } from '../lib/worksheetFlow'
+
+// Ein Ticket als eigene Seite: /tickets/<woid oder $id> (Details) und /tickets/<ref>/arbeitsblaetter.
+// Alle Hooks stehen vor jeder Weiterleitung, sonst bricht der Wechsel /tickets/5/xyz -> /tickets/5 die Hook-Reihenfolge.
+export default function TicketPage() {
+  const { ref, tab } = useParams()
+  const location = useLocation()
+  const { ticket, loading, error, notFound, updateWorkorder } = useWorkorder(ref)
+
+  const activeTab = resolveTicketTab(tab)
+  if (activeTab === null) return <Navigate replace to={ticketPath(ref)} state={location.state} />
+
+  const back = <Button as={Link} to={listBackPath(location.state)}>Zurück</Button>
+
+  if (loading) {
+    return (
+      <div className="page">
+        <div className="loading">Wird geladen …</div>
+      </div>
+    )
+  }
+
+  if (notFound) {
+    return (
+      <div className="page">
+        <EmptyState title="Ticket nicht gefunden" action={back} />
+      </div>
+    )
+  }
+
+  if (error || !ticket) {
+    return (
+      <div className="page">
+        <p className="msg err" role="alert">Fehler: {error || 'Das Ticket konnte nicht geladen werden.'}</p>
+        <div className="mt-2">{back}</div>
+      </div>
+    )
+  }
+
+  return <TicketView key={ticket.$id} ticket={ticket} updateWorkorder={updateWorkorder} tab={activeTab} />
+}
+
+function TicketView({ ticket, updateWorkorder, tab }) {
+  const location = useLocation()
+  const navigate = useNavigate()
+  const { user, employee } = useAuth()
+  // Einmal laden und an die Dialoge reichen (der Zuständig-Filter und die Unterstützer-Liste teilen sich die Antwort)
+  const { employees, loading: employeesLoading, error: employeesError } = useEmployees()
+  const employeesState = useMemo(
+    () => ({ employees, loading: employeesLoading, error: employeesError }),
+    [employees, employeesLoading, employeesError]
+  )
+  const [showCreateWorksheet, setShowCreateWorksheet] = useState(false)
+  const [editTimesWorksheet, setEditTimesWorksheet] = useState(null)
+  const [ownSupportWorksheet, setOwnSupportWorksheet] = useState(null)
+  // Werte, die gerade gespeichert werden: das Feld zeigt den neuen Wert und ist gesperrt, bei einem Fehler springt es zurück
+  const [pending, setPending] = useState({})
+
+  const woid = ticket.woid || null
+  const {
+    worksheets,
+    loading: worksheetsLoading,
+    error: worksheetsError,
+    createWorksheet,
+    updateWorksheet,
+    updateWorksheetTimes,
+    saveOwnSupport,
+  } = useWorksheets(woid)
+  // Abo-Stundenkonto gibt es nur bei Wartungs-Abo; erst laden, wenn Arbeitsblätter gebraucht werden
+  const { hoursAllowed: aboHoursAllowed } = useCustomerAbo(
+    ticket.customerId,
+    tab === 'arbeitsblaetter' || showCreateWorksheet
+  )
+
+  const isPending = (field) => pending[field] !== undefined
+  const shown = (field, current) => (isPending(field) ? pending[field] : current)
+
+  // Fehler beim Schreiben bleiben still (wie bisher): bei Misserfolg ändert sich das Ticket nicht und das Feld springt zurück
+  const saveField = async (field, value) => {
+    if (isPending(field)) return
+    setPending((prev) => ({ ...prev, [field]: value }))
+    try {
+      await updateWorkorder(ticket.$id, { [field]: value })
+    } finally {
+      setPending((prev) => {
+        const next = { ...prev }
+        delete next[field]
+        return next
+      })
+    }
+  }
+
+  const goToTab = (id) => navigate(ticketPath(ticketRef(ticket), id), { state: location.state })
+
+  // Abo-Stunden: Arbeitszeit vom Stundenguthaben des Wartungs-Abos abziehen oder nicht
+  const togglePlan = (ws) => updateWorksheet(ws.$id, { countsToPlan: !ws.countsToPlan })
+
+  const handleCreateWorksheet = async (worksheetData, currentUser) => {
+    const result = await createWorksheetFlow({
+      ticket,
+      worksheetData,
+      user: currentUser,
+      createWorksheet,
+      updateTicket: updateWorkorder,
+      updateCustomer: (id, data) => databases.updateDocument(DATABASE_ID, COLLECTIONS.CUSTOMERS, id, data),
+    })
+    // Das neue Blatt soll sichtbar sein
+    if (result?.success && tab !== 'arbeitsblaetter') goToTab('arbeitsblaetter')
+    return result
+  }
+
+  const number = ticketNumber(ticket)
+  const customerLabel = ticket.customerName || 'Unbekannt'
+  const worksheetCount = !woid || worksheetsLoading ? undefined : worksheetsError ? '–' : worksheets.length
+  const appointment = appointmentText(ticket)
+  const due = dueText(ticket)
+
+  return (
+    <div className="page">
+      <PageHeader
+        crumb={[{ label: 'Tickets', to: listBackPath(location.state) }, { label: number }]}
+        eyebrow={ticket.type ? `${number} · ${ticketTypeLabel(ticket.type)}` : number}
+        title={ticket.topic || ticket.title || 'Kein Betreff'}
+        subtitle={
+          <>
+            {ticket.customerId ? (
+              <Link className="link" to={'/customers/' + ticket.customerId}>{customerLabel}</Link>
+            ) : (
+              customerLabel
+            )}
+            {ticket.customerLocation ? ` · ${ticket.customerLocation}` : ''}
+          </>
+        }
+        actions={
+          <>
+            <UrgentToggle
+              value={shown('priority', ticket.priority)}
+              onChange={(priority) => saveField('priority', priority)}
+              disabled={isPending('priority')}
+            />
+            <select
+              className="select"
+              aria-label="Status"
+              value={shown('status', ticket.status || 'Open')}
+              disabled={isPending('status')}
+              onChange={(e) => saveField('status', e.target.value)}
+            >
+              {statusSelectOptions(ticket.status).map((o) => (
+                <option key={o.value} value={o.value}>{o.label}</option>
+              ))}
+            </select>
+            <Button
+              variant="primary"
+              type="button"
+              disabled={!woid}
+              title={woid ? undefined : 'Für dieses Ticket gibt es keine Ticketnummer'}
+              onClick={() => setShowCreateWorksheet(true)}
+            >
+              Arbeitsblatt hinzufügen
+            </Button>
+          </>
+        }
+      />
+
+      <div className="facts">
+        <div className="fact">
+          <div className="k"><label htmlFor="ticket-assignee">Zuständig</label></div>
+          <div className="v">
+            <select
+              className="select select-quiet"
+              id="ticket-assignee"
+              value={shown('assignedTo', ticket.assignedTo || '')}
+              disabled={employeesLoading || isPending('assignedTo')}
+              onChange={(e) => saveField('assignedTo', e.target.value)}
+            >
+              {assigneeOptions(ticket, employees).map((o) => (
+                <option key={o.value} value={o.value}>{o.label}</option>
+              ))}
+            </select>
+          </div>
+        </div>
+        <div className="fact">
+          <div className="k">Termin</div>
+          <div className="v">{appointment || <span className="faint">Kein Termin</span>}</div>
+        </div>
+        <div className="fact">
+          <div className="k">Fällig</div>
+          <div className="v">{due || '–'}</div>
+        </div>
+        <div className="fact">
+          <div className="k">Einsatz</div>
+          <div className="v">{serviceTypeLabel(ticket.serviceType) || '–'}</div>
+        </div>
+        <div className="fact">
+          <div className="k">Angefragt von</div>
+          <div className="v">{ticket.requestedBy || '–'}</div>
+        </div>
+        <div className="fact">
+          <div className="k">Erstellt</div>
+          <div className="v">{elapsedLabel(ticket)}</div>
+        </div>
+      </div>
+
+      <Tabs
+        tabs={[
+          { id: 'details', label: 'Details' },
+          { id: 'arbeitsblaetter', label: 'Arbeitsblätter', count: worksheetCount },
+        ]}
+        active={tab}
+        onChange={(id) => { if (id !== tab) goToTab(id) }}
+      />
+
+      {tab === 'details' && (
+        <>
+          <Card title="Ticket-Beschreibung">
+            <p className="prose">{ticket.details || 'Keine Details vorhanden.'}</p>
+          </Card>
+          <TicketProjects ticket={ticket} />
+          <ProjectContextPanel ticket={ticket} />
+        </>
+      )}
+
+      {tab === 'arbeitsblaetter' && (
+        !woid ? (
+          <p className="muted">Für dieses Ticket gibt es keine Ticketnummer, Arbeitsblätter sind nicht möglich.</p>
+        ) : worksheetsError ? (
+          <p className="msg err" role="alert">{worksheetsError}</p>
+        ) : (
+          <>
+            <WorksheetSummary worksheets={worksheets} />
+            <WorksheetList
+              worksheets={worksheets}
+              loading={worksheetsLoading}
+              onTogglePlan={togglePlan}
+              aboHoursAllowed={aboHoursAllowed}
+              canEditTimes={(ws) => canEditWorksheetTimes(ws, user, employee)}
+              onEditTimes={setEditTimesWorksheet}
+              canAddSupport={(ws) => canAddOwnSupport(ws, user, employee)}
+              onOwnSupport={setOwnSupportWorksheet}
+              currentUserId={user?.$id}
+            />
+          </>
+        )
+      )}
+
+      <CreateWorksheetModal
+        isOpen={showCreateWorksheet}
+        onClose={() => setShowCreateWorksheet(false)}
+        workorder={ticket}
+        onCreate={handleCreateWorksheet}
+        aboHoursAllowed={aboHoursAllowed}
+        employeesState={employeesState}
+      />
+      {ownSupportWorksheet && (
+        <OwnSupportModal
+          worksheet={ownSupportWorksheet}
+          currentUserId={user?.$id}
+          onClose={() => setOwnSupportWorksheet(null)}
+          onSave={(ws, task) => saveOwnSupport(ws, task, user, employee)}
+        />
+      )}
+      {editTimesWorksheet && (
+        <WorksheetTimesModal
+          worksheet={editTimesWorksheet}
+          currentUserId={user?.$id}
+          onClose={() => setEditTimesWorksheet(null)}
+          onSave={(ws, times) => updateWorksheetTimes(ws, times, user, employee)}
+          employeesState={employeesState}
+        />
+      )}
+    </div>
+  )
+}