Calendar: add drag ghost element + grabbing cursor; BookingDetail: add Relocate room for checked_in guests

src/components/bookings/BookingDetailPanel.tsx

@@ -250,6 +250,26 @@ export function BookingDetailPanel({ booking, room, rooms, allBookings, slug, on
   const [conflictResolveRoomId, setConflictResolveRoomId] = useState('')
 
   const canEditDates = booking.status === 'confirmed' || booking.status === 'inquiry'
+  const canRelocate  = booking.status === 'checked_in'
+
+  const [relocating, setRelocating] = useState(false)
+  const [relocateRoomId, setRelocateRoomId] = useState(booking.roomId)
+
+  const freeRoomsForRelocate = (rooms ?? []).filter(r =>
+    r.id !== booking.roomId &&
+    !(allBookings ?? []).some(b =>
+      b.id !== booking.id &&
+      b.roomId === r.id &&
+      b.status !== 'cancelled' && b.status !== 'no_show' && b.status !== 'checked_out' &&
+      b.checkIn < booking.checkOut && b.checkOut > booking.checkIn,
+    ),
+  )
+
+  const handleRelocate = () => {
+    if (!relocateRoomId || relocateRoomId === booking.roomId) return
+    onUpdate(booking.id, { roomId: relocateRoomId })
+    setRelocating(false)
+  }
 
   const findConflict = (ci: string, co: string, rid: string): Booking | null =>
     (allBookings ?? []).find(b =>
@@ -405,13 +425,66 @@ export function BookingDetailPanel({ booking, room, rooms, allBookings, slug, on
             <div className="space-y-4">
               {room && (
                 <div className="rounded-xl bg-slate-50 dark:bg-slate-700/40 p-3">
-                  <p className="text-xs text-slate-500 dark:text-slate-400 font-medium mb-1">Номер</p>
+                  <div className="flex items-start justify-between mb-1">
+                    <p className="text-xs text-slate-500 dark:text-slate-400 font-medium">Номер</p>
+                    {canRelocate && !relocating && (
+                      <button
+                        onClick={() => { setRelocating(true); setRelocateRoomId('') }}
+                        className="flex items-center gap-1 text-xs text-amber-600 dark:text-amber-400 hover:text-amber-700 dark:hover:text-amber-300 font-medium"
+                      >
+                        <Pencil size={11} /> Переселить
+                      </button>
+                    )}
+                  </div>
                   <p className="font-semibold text-slate-900 dark:text-slate-100">
                     №{room.number} — {room.type}
                   </p>
                   <p className="text-sm text-slate-500 dark:text-slate-400">
                     Этаж {room.floor} · {room.bedType} bed
                   </p>
+
+                  {/* Форма переселения */}
+                  {relocating && (
+                    <div className="mt-3 space-y-2 pt-3 border-t border-slate-200 dark:border-slate-600">
+                      <p className="text-xs font-medium text-amber-700 dark:text-amber-400">Переселить гостя в другой номер</p>
+                      {freeRoomsForRelocate.length > 0 ? (
+                        <>
+                          <select
+                            className="input text-sm"
+                            value={relocateRoomId}
+                            onChange={e => setRelocateRoomId(e.target.value)}
+                          >
+                            <option value="">— выберите номер —</option>
+                            {freeRoomsForRelocate.map(r => (
+                              <option key={r.id} value={r.id}>
+                                №{r.number} — {r.type} ({r.baseRate.toLocaleString('ru-RU')} ₽/ночь)
+                              </option>
+                            ))}
+                          </select>
+                          <div className="flex gap-2">
+                            <button
+                              onClick={handleRelocate}
+                              disabled={!relocateRoomId}
+                              className="flex-1 py-1.5 rounded-lg bg-amber-500 hover:bg-amber-600 disabled:opacity-50 text-white text-xs font-semibold transition-colors"
+                            >
+                              Переселить
+                            </button>
+                            <button
+                              onClick={() => setRelocating(false)}
+                              className="px-3 py-1.5 rounded-lg border border-slate-200 dark:border-slate-600 text-xs text-slate-600 dark:text-slate-400 hover:bg-slate-100 dark:hover:bg-slate-700 transition-colors"
+                            >
+                              Отмена
+                            </button>
+                          </div>
+                        </>
+                      ) : (
+                        <div className="text-xs text-slate-500 dark:text-slate-400">
+                          Нет свободных номеров на эти даты
+                          <button onClick={() => setRelocating(false)} className="ml-2 text-brand-600 dark:text-brand-400 underline">Закрыть</button>
+                        </div>
+                      )}
+                    </div>
+                  )}
                 </div>
               )}