import { useRoadtripSettings } from '../../hooks/useRoadtripSettings'
import { isServiceStopType } from '../Roadtrip/roadtripModel'
/* eslint-disable @typescript-eslint/no-unnecessary-type-assertion */
interface DragDataPayload { placeId?: string; assignmentId?: string; noteId?: string; reservationId?: string; fromDayId?: string; phase?: 'single' | 'start' | 'middle' | 'end'; /** A corridor hit on its way onto the drive (#1797) — not a place yet. */ poiOsmId?: string }
declare global { interface Window { __dragData: DragDataPayload | null } }

import React, { useState, useEffect, useLayoutEffect, useRef, useMemo, useCallback } from 'react'
import { avatarSrc } from '../../utils/avatarSrc'
import { safeHttpUrl } from '../../utils/safeUrl'
import { ChevronDown, ChevronRight, ChevronUp, Compass, Navigation, RotateCcw, ExternalLink, Clock, Pencil, GripVertical, Ticket, Plus, FileText, Trash2, Car, Lock, Hotel, Footprints, Route as RouteIcon, Bookmark, StickyNote, TramFront, Zap } from 'lucide-react'
import { type PickedPlace } from './TransitSearchPanel'
import { assignmentsApi, reservationsApi, daysApi } from '../../api/client'
import { calculateRouteWithLegs, optimizeRoute, generateGoogleMapsUrl, generateCoMapsUrl, type NamedWaypoint } from '../Map/RouteCalculator'
import GoogleMapsIcon from '../shared/GoogleMapsIcon'
import PlaceAvatar from '../shared/PlaceAvatar'
import ConfirmDialog from '../shared/ConfirmDialog'
import { useContextMenu, ContextMenu } from '../shared/ContextMenu'
import Markdown from 'react-markdown'
import remarkGfm from 'remark-gfm'
import remarkBreaks from 'remark-breaks'
import WeatherWidget from '../Weather/WeatherWidget'
import { useToast } from '../shared/Toast'
import { getCategoryIcon } from '../shared/categoryIcons'
import { useTripStore } from '../../store/tripStore'
import { useCanDo } from '../../store/permissionsStore'
import { useSettingsStore } from '../../store/settingsStore'
import { useAddonStore } from '../../store/addonStore'
import { usePluginStore } from '../../store/pluginStore'
import { useSaveToCollectionStore } from '../../store/saveToCollectionStore'
import { placeToSaveTarget } from '../Collections/saveTarget'
import { useTranslation } from '../../i18n'
import { Tooltip } from '../shared/Tooltip'
import { isDayInAccommodationRange, getAccommodationAnchors, getDayBookendHotels, shouldDrawMorningLeg, shouldDrawEveningLeg, type CarrierEdge } from '../../utils/dayOrder'
import {
  TRANSPORT_TYPES, parseTimeToMinutes, getSpanPhase, hidesOnMiddleDay, getDisplayTimeForDay, getTransportRouteEndpoints,
  getTransportForDay as _getTransportForDay, getMergedItems as _getMergedItems, isCarrierTransport, hasCarrierEndpointOnDay,
  getAssignmentReservations,
  type MergedItem,
} from '../../utils/dayMerge'
import { withinDriveRange } from '../../utils/geo'
import { formatDate, formatTime, dayTotalCost, formatMoneySum, splitReservationDateTime } from '../../utils/formatters'
import { useDayNotes } from '../../hooks/useDayNotes'
import { useExchangeRates } from '../../hooks/useExchangeRates'
import { RES_ICONS, getNoteIcon } from './DayPlanSidebar.constants'
import { noteSurface } from './noteSurface'
import { findTodayDayId } from './today'
import { markdownLinkComponents } from '../shared/markdownLink'
import { RouteConnector, HotelRouteConnector } from './DayPlanSidebarRouteConnector'
import { resolveLegMode } from './legMode'
import { usePluginDaySchedule, usePluginDayTints, dayTintBackground, dayTinted, PluginDayScheduleRow, formatScheduleMinutes } from '../Plugins/PluginDaySchedule'
import { MobileAddPlaceButton } from './DayPlanSidebarMobileAddPlaceButton'
import { DayPlanSidebarToolbar } from './DayPlanSidebarToolbar'
import { DayPlanSidebarNoteModal } from './DayPlanSidebarNoteModal'
import { DayPlanSidebarTimeConfirmModal } from './DayPlanSidebarTimeConfirmModal'
import { DayPlanSidebarTransportDetailModal } from './DayPlanSidebarTransportDetailModal'
import { TransitTitle, TransitLegChips, TransitItineraryInline } from './transitDisplay'
import { DayPlanSidebarFooter } from './DayPlanSidebarFooter'
import type { Trip, Day, Place, Category, Assignment, Accommodation, Reservation, AssignmentsMap, RouteResult, RouteSegment, DayNote } from '../../types'
import { getNavigationTargets, openNavigationTarget } from './placeNavigation'

interface DayPlanSidebarProps {
  tripId: number
  trip: Trip
  days: Day[]
  places: Place[]
  categories: Category[]
  assignments: AssignmentsMap
  selectedDayId: number | null
  selectedPlaceId: number | null
  selectedAssignmentId: number | null
  onSelectDay: (dayId: number | null, skipFit?: boolean) => void
  onPlaceClick: (placeId: number | null, assignmentId?: number | null) => void
  onDayDetail: (day: Day | null) => void
  accommodations?: Accommodation[]
  onReorder: (dayId: number, orderedIds: number[]) => void
  onReorderDays?: (orderedIds: number[]) => void
  onAddDay?: (position?: number) => void
  /** Renaming lives in the day-detail panel (#1065); the sidebar only forwards the prop. */
  onUpdateDayTitle: (dayId: number, title: string) => void
  /** The day route is computed by the planner page itself; kept for the existing call sites. */
  onRouteCalculated: (route: RouteResult | null) => void
  onAssignToDay: (placeId: number, dayId: number, position?: number) => void
  onRemoveAssignment: (dayId: number, assignmentId: number) => void
  onEditPlace: (place: Place, assignmentId?: number) => void
  onDeletePlace: (placeId: number) => void
  reservations?: Reservation[]
  visibleConnectionIds?: number[]
  onToggleConnection?: (reservationId: number) => void
  allConnectionsShown?: boolean
  onToggleAllConnections?: () => void
  externalTransportDetail?: Reservation | null
  onExternalTransportDetailHandled?: () => void
  onAddReservation: (dayId: number) => void
  onNavigateToFiles?: () => void
  routeShown?: boolean
  routeProfile?: string
  onToggleRoute?: () => void
  onSetRouteProfile?: (profile: string) => void
  onAddPlace?: () => void
  onAddPlaceToDay?: (placeId: number, dayId: number) => void
  /** Open the place form already pointed at this day, to create a new place there. */
  onCreatePlaceForDay?: (dayId: number) => void
  onExpandedDaysChange?: (expandedDayIds: Set<number>) => void
  pushUndo?: (label: string, undoFn: () => Promise<void> | void) => void
  canUndo?: boolean
  lastActionLabel?: string | null
  onUndo?: () => void
  onRouteRefresh?: () => void
  onAddTransport?: (dayId: number) => void
  /** Opens the public-transit route search for a day (#1065). */
  onPlanTransit?: (dayId: number) => void
  /**
   * Opens the public-transit search pre-filled for a single leg (#1281 follow-up):
   * the leg's origin and destination endpoints plus the origin's departure time,
   * so "public transport" becomes an option on any connector, not just the day header.
   */
  onPlanTransitLeg?: (leg: { dayId: number; from: PickedPlace; to: PickedPlace; time: string | null }) => void
  /** Opens the journey view for a saved transit entry (#1065). */
  onOpenTransit?: (reservation: Reservation) => void
  onEditTransport?: (reservation: Reservation) => void
  onEditReservation?: (reservation: Reservation) => void
  onAddBookingToAssignment?: (dayId: number, assignmentId: number) => void
  initialScrollTop?: number
  onScrollTopChange?: (top: number) => void
  /** Mobile: show the route tools footer (Route toggle / Optimize / travel profile) on expanded days, since selecting a day closes the sheet */
  showRouteToolsWhenExpanded?: boolean
  isMobile?: boolean
}

/**
 * Day-plan state + behaviour: expand/collapse, inline title edit, route legs +
 * optimisation, day notes, and the drag-and-drop reorder/move machinery across
 * days (places, transports, notes). Returns everything the timeline view renders
 * from, keeping DayPlanSidebar a thin shell over one large day list.
 */
function useDayPlanSidebar(props: DayPlanSidebarProps) {
  const {
  tripId,
  trip, days, places, categories, assignments,
  selectedDayId, selectedPlaceId, selectedAssignmentId,
  onSelectDay, onPlaceClick, onDayDetail, accommodations = [],
  onReorder, onReorderDays, onAddDay,
  onAssignToDay, onRemoveAssignment, onEditPlace, onDeletePlace,
  reservations = [],
  visibleConnectionIds = [],
  onToggleConnection,
  allConnectionsShown = false,
  onToggleAllConnections,
  externalTransportDetail,
  onExternalTransportDetailHandled,
  onAddReservation,
  onAddPlace,
  onAddPlaceToDay,
  onCreatePlaceForDay,
  onNavigateToFiles,
  routeShown = false,
  routeProfile = 'driving',
  onToggleRoute,
  onSetRouteProfile,
  onExpandedDaysChange,
  pushUndo,
  canUndo = false,
  lastActionLabel = null,
  onUndo,
  onRouteRefresh,
  onAddTransport,
  onPlanTransit,
  onPlanTransitLeg,
  onOpenTransit,
  onEditTransport,
  onEditReservation,
  onAddBookingToAssignment,
  initialScrollTop,
  onScrollTopChange,
  showRouteToolsWhenExpanded = false,
  isMobile = false,
  } = props
  // Below lg the plan and the places sit in separate tabs, so there is nothing
  // to drag between. A coarse pointer is no longer a reason of its own: tablets
  // reach the same drag through a long press (#1616).
  const dragDisabled = isMobile
  const toast = useToast()
  const { t, language, locale } = useTranslation()
  const ctxMenu = useContextMenu()
  const timeFormat = useSettingsStore(s => s.settings.time_format) || '24h'
  const mirrorServiceStops = useRoadtripSettings(s => s.roadtrip_service_stops_in_days !== false)
  const tripActions = useRef(useTripStore.getState()).current
  const can = useCanDo()
  const canEditDays = can('day_edit', trip)
  // The calendar subscription hands out a link that reads the trip without an
  // account, so it sits behind the same permission as the public share link.
  const canManageShare = can('share_manage', trip)

  const { noteUi, setNoteUi, noteInputRef, dayNotes, openAddNote: _openAddNote, openEditNote: _openEditNote, cancelNote, saveNote, deleteNote: _deleteNote, moveNote: _moveNote } = useDayNotes(tripId)

  const [expandedDays, setExpandedDays] = useState(() => {
    try {
      const saved = localStorage.getItem(`day-expanded-${tripId}`)
      if (saved) return new Set<number>(JSON.parse(saved) as number[])
    } catch {}
    return new Set<number>(days.map(d => d.id))
  })
  useEffect(() => { onExpandedDaysChange?.(expandedDays) }, [expandedDays])
  // Per-segment legs keyed by day id, then by the start place's assignment id (or the
  // transport's reservation id). Nested per day so several Route-toggled mobile days
  // can't collide in one flat map — assignment ids and reservation ids come from
  // independent sequences and would overwrite each other across days (#1374).
  const [routeLegs, setRouteLegs] = useState<Record<number, Record<number, RouteSegment>>>({})
  // Hotel bookend legs keyed by day id. Desktop keys only the selected day; mobile
  // keys every day whose Route toggle is on, so each shows its own bookends (#1374).
  const [hotelLegs, setHotelLegs] = useState<Record<number, { top?: { seg: RouteSegment; name: string; targetId?: number }; bottom?: { seg: RouteSegment; name: string; targetId?: number } }>>({})
  // Mobile only: days the user tapped "Route" on. Their leg distances show inline in
  // the expanded day, so seeing distances doesn't require selecting the day (which
  // closes the mobile sheet) — #1374.
  const [expandedRouteDayIds, setExpandedRouteDayIds] = useState<Set<number>>(new Set())
  const optimizeFromAccommodation = useSettingsStore(s => s.settings.optimize_from_accommodation)
  // Recompute the hotel/route legs when the user flips km↔mi so the connector
  // distances refresh instead of showing stale cached text (#1300).
  const distanceUnit = useSettingsStore(s => s.settings.distance_unit)
  const legsAbortRef = useRef<AbortController | null>(null)
  const [draggingId, setDraggingId] = useState(null)
  const [lockedIds, setLockedIds] = useState(new Set())
  const [lockHoverId, setLockHoverId] = useState(null)
  const [undoHover, setUndoHover] = useState(false)
  const [hoveredAssignmentId, setHoveredAssignmentId] = useState<number | null>(null)
  // Transit rows fold their itinerary out inline (#1065).
  const [expandedTransitIds, setExpandedTransitIds] = useState<Set<number>>(new Set())
  const [dropTargetKey, _setDropTargetKey] = useState(null)
  const dropTargetRef = useRef(null)
  const setDropTargetKey = (key) => { dropTargetRef.current = key; _setDropTargetKey(key) }
  const [dragOverDayId, setDragOverDayId] = useState(null)
  const [transportDetail, setTransportDetail] = useState(null)
  const [transportPosVersion, setTransportPosVersion] = useState(0)

  useEffect(() => {
    if (externalTransportDetail) {
      setTransportDetail(externalTransportDetail)
      onExternalTransportDetailHandled?.()
    }
  }, [externalTransportDetail, onExternalTransportDetailHandled])
  const [timeConfirm, setTimeConfirm] = useState<{
    dayId: number; fromId: number; time: string;
    // Target slot of the pending move — drag & drop and the arrow buttons both
    // describe it as "put fromId before/after this merged row".
    fromType?: string; toType?: string; toId?: number; insertAfter?: boolean; toLegIndex?: number | null;
  } | null>(null)
  const dragDataRef = useRef(null)
  const scrollContainerRef = useRef<HTMLDivElement | null>(null)
  const dayRefs = useRef<Map<number, HTMLElement>>(new Map())

  /** The day that is today, or null when the trip is not running right now. */
  const todayDayId = useMemo(() => findTodayDayId(days), [days])

  const scrollToDay = useCallback((dayId: number) => {
    const el = dayRefs.current.get(dayId)
    const container = scrollContainerRef.current
    if (!el || !container) return
    // Positioned against the container, not scrollIntoView: the sidebar sits in
    // a page that also scrolls, and scrollIntoView would drag the whole layout
    // around to satisfy a scroll inside one column.
    container.scrollTo({ top: el.offsetTop - container.offsetTop - 8, behavior: 'smooth' })
  }, [])

  const jumpToToday = useCallback(() => {
    if (todayDayId == null) return
    onSelectDay(todayDayId, true)
    setExpandedDays(prev => new Set(prev).add(todayDayId))
    // After the expand has rendered, or the target is measured at its old height.
    requestAnimationFrame(() => scrollToDay(todayDayId))
  }, [todayDayId, onSelectDay, scrollToDay])

  // On opening a trip that is running, land on today rather than on day 1 (#1567).
  // Once per mount, and only while nothing is selected yet: a deep link into a
  // specific day, or a day the user picked before switching tabs, must win.
  const autoJumpedRef = useRef(false)
  useEffect(() => {
    if (autoJumpedRef.current || todayDayId == null || selectedDayId != null || days.length === 0) return
    autoJumpedRef.current = true
    jumpToToday()
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [todayDayId, days.length])
  useLayoutEffect(() => {
    if (scrollContainerRef.current && initialScrollTop) {
      scrollContainerRef.current.scrollTop = initialScrollTop
    }
  }, [])
  const initedTransportIds = useRef(new Set<number>()) // Speichert Drag-Daten als Backup (dataTransfer geht bei Re-Render verloren)
  // Remember which assignment we last auto-scrolled into view so we don't
  // keep yanking the user back whenever they scroll away while the same
  // place stays selected.
  const lastAutoScrolledIdRef = useRef<string | number | null>(null)
  useEffect(() => {
    // Reset the scroll-lock whenever selection moves, so the next selected
    // row triggers a fresh scroll-into-view on its ref.
    if (!selectedAssignmentId && !selectedPlaceId) {
      lastAutoScrolledIdRef.current = null
    }
  }, [selectedAssignmentId, selectedPlaceId])

  const currency = trip?.currency || 'EUR'
  // Cost totals render in the user's display currency (falling back to the
  // trip's), converting foreign-currency place prices via live FX rates —
  // same base resolution as BookingCostsSection / the Costs panel (#1561).
  const displayCurrency = useSettingsStore(s => s.settings.default_currency)
  const costBase = (displayCurrency || currency).toUpperCase()
  const { rates: fxRates } = useExchangeRates(costBase)

  // Drag-Daten aus dataTransfer, Ref oder window lesen (dataTransfer geht bei Re-Render verloren)
  const getDragData = (e) => {
    const dt = e?.dataTransfer
    // Interner Drag hat Vorrang (Ref wird nur bei assignmentId/noteId/reservationId gesetzt)
    if (dragDataRef.current) {
      return {
        placeId: '',
        assignmentId: dragDataRef.current.assignmentId || '',
        noteId: dragDataRef.current.noteId || '',
        reservationId: dragDataRef.current.reservationId || '',
        fromDayId: Number.parseInt(dragDataRef.current.fromDayId) || 0,
        phase: (dragDataRef.current.phase || 'single') as 'single' | 'start' | 'middle' | 'end',
      }
    }
    // Externer Drag (aus PlacesSidebar)
    const ext = window.__dragData || {}
    const placeId = dt?.getData('placeId') || ext.placeId || ''
    return { placeId, assignmentId: '', noteId: '', reservationId: '', fromDayId: 0, phase: 'single' as const }
  }

  // Only auto-expand genuinely new days (not on initial load from storage)
  const prevDayCount = React.useRef(days.length)
  useEffect(() => {
    if (days.length > prevDayCount.current) {
      // New days added — expand only those
      setExpandedDays(prev => {
        const n = new Set(prev)
        days.forEach(d => { if (!prev.has(d.id)) n.add(d.id) })
        try { localStorage.setItem(`day-expanded-${tripId}`, JSON.stringify([...n])) } catch {}
        return n
      })
    }
    prevDayCount.current = days.length
  }, [days.length, tripId])

  // Globaler Aufräum-Listener: wenn ein Drag endet ohne Drop, alles zurücksetzen
  useEffect(() => {
    const cleanup = () => {
      setDraggingId(null)
      setDropTargetKey(null)
      setDragOverDayId(null)
      dragDataRef.current = null
      window.__dragData = null
    }
    document.addEventListener('dragend', cleanup)
    return () => document.removeEventListener('dragend', cleanup)
  }, [])

  // Initialize missing transport positions outside of render to avoid setState-during-render
  // eslint-disable-next-line react-hooks/exhaustive-deps
  useEffect(() => { days.forEach(day => initTransportPositions(day.id)) }, [days, reservations])

  const toggleDay = (dayId, e) => {
    e.stopPropagation()
    setExpandedDays(prev => {
      const n = new Set(prev)
      n.has(dayId) ? n.delete(dayId) : n.add(dayId)
      try { localStorage.setItem(`day-expanded-${tripId}`, JSON.stringify([...n])) } catch {}
      return n
    })
  }

  // Get phase label for multi-day badge
  const getSpanLabel = (r: Reservation, phase: string): string | null => {
    if (phase === 'single') return null
    if (r.type === 'flight') return t(`reservations.span.${phase === 'start' ? 'departure' : phase === 'end' ? 'arrival' : 'inTransit'}`)
    if (r.type === 'car') return t(`reservations.span.${phase === 'start' ? 'pickup' : phase === 'end' ? 'return' : 'active'}`)
    // Parking reuses span.pickup for its end day on purpose: you drop the car off and
    // later pick it up again, so the rental car's wording fits without a second key.
    if (r.type === 'parking') return t(`reservations.span.${phase === 'start' ? 'dropOff' : phase === 'end' ? 'pickup' : 'ongoing'}`)
    return t(`reservations.span.${phase === 'start' ? 'start' : phase === 'end' ? 'end' : 'ongoing'}`)
  }

  const getDayOrder = (day: (typeof days)[number]) => (day as any).day_number ?? days.indexOf(day)

  const computeMultiDayMove = (r: Reservation, targetDayId: number, phase: 'single' | 'start' | 'middle' | 'end') => {
    const startId = r.day_id ?? targetDayId
    const endId = r.end_day_id ?? startId
    const order = (id: number) => { const d = days.find(x => x.id === id); return d ? getDayOrder(d) : 0 }
    if (phase === 'single' || startId === endId) return { day_id: targetDayId, end_day_id: targetDayId }
    if (phase === 'start') {
      if (order(targetDayId) > order(endId)) return { day_id: targetDayId, end_day_id: targetDayId }
      return { day_id: targetDayId, end_day_id: endId }
    }
    // phase === 'end'
    if (order(targetDayId) < order(startId)) return { day_id: targetDayId, end_day_id: targetDayId }
    return { day_id: startId, end_day_id: targetDayId }
  }

  const getTransportForDay = (dayId: number) =>
    _getTransportForDay({ reservations, dayId, dayAssignmentIds: (assignments[String(dayId)] || []).map(a => a.id), days })

  // Get car rentals that are in "active" (middle) phase for a day — shown in day header, not timeline
  const getActiveRentalsForDay = (dayId: number) => {
    return reservations.filter(r => {
      if (r.type !== 'car') return false
      const startDayId = r.day_id
      const endDayId = r.end_day_id
      if (!startDayId || !endDayId || endDayId === startDayId) return false
      const startDay = days.find(d => d.id === startDayId)
      const endDay = days.find(d => d.id === endDayId)
      const thisDay = days.find(d => d.id === dayId)
      if (!startDay || !endDay || !thisDay) return false
      return getDayOrder(thisDay) > getDayOrder(startDay) && getDayOrder(thisDay) < getDayOrder(endDay)
    })
  }

  const getDayAssignments = (dayId) =>
    (assignments[String(dayId)] || []).filter(a => mirrorServiceStops || !isServiceStopType(a.place?.stop_type)).slice().sort((a, b) => a.order_index - b.order_index)

  // Compute initial day_plan_position for a transport based on time
  const computeTransportPosition = (r, da) => {
    const minutes = parseTimeToMinutes(r.reservation_time) ?? 0
    // Find the last place with time <= transport time
    let afterIdx = -1
    for (const a of da) {
      const pm = parseTimeToMinutes(a.place?.place_time)
      if (pm !== null && pm <= minutes) afterIdx = a.order_index
    }
    // Position: midpoint between afterIdx and afterIdx+1 (leaves room for other items)
    return afterIdx >= 0 ? afterIdx + 0.5 : da.length + 0.5
  }

  // Auto-initialize transport positions on first render if not set
  const initTransportPositions = (dayId) => {
    const da = getDayAssignments(dayId)
    const transport = getTransportForDay(dayId)
    const needsInit = transport.filter(r => r.day_plan_position == null && !initedTransportIds.current.has(r.id))
    if (needsInit.length === 0) return

    const sorted = [...needsInit].sort((a, b) =>
      (parseTimeToMinutes(a.reservation_time) ?? 0) - (parseTimeToMinutes(b.reservation_time) ?? 0)
    )
    const positions = sorted.map((r, idx) => ({
      id: r.id,
      day_plan_position: computeTransportPosition(r, da) + idx * 0.01,
    }))
    // Mark as initialized immediately to prevent re-entry
    for (const p of positions) initedTransportIds.current.add(p.id)
    const before = positions.map(p => ({
      id: p.id,
      day_plan_position: useTripStore.getState().reservations.find(r => r.id === p.id)?.day_plan_position ?? null,
    }))
    // Update store so subscribers see the new positions
    useTripStore.setState(state => ({
      reservations: state.reservations.map(r => {
        const p = positions.find(x => x.id === r.id)
        if (!p) return r
        return { ...r, day_plan_position: p.day_plan_position }
      })
    }))
    // Persist to server. No toast — this is a bootstrap write nobody asked for —
    // but the store has to go back to what the server still holds, otherwise the
    // day shows an order that only exists in this tab.
    // The ids stay marked as initialised: the effect reruns on every reservations
    // change, so clearing them here would retry the same failing write in a loop.
    reservationsApi.updatePositions(tripId, positions).catch(() => {
      useTripStore.setState(state => ({
        reservations: state.reservations.map(r => {
          const p = before.find(x => x.id === r.id)
          if (!p) return r
          return { ...r, day_plan_position: p.day_plan_position }
        })
      }))
    })
  }

  const getMergedItems = (dayId: number): MergedItem[] =>
    _getMergedItems({
      dayAssignments: getDayAssignments(dayId),
      dayNotes: (dayNotes[String(dayId)] || []).slice().sort((a, b) => a.sort_order - b.sort_order),
      dayTransports: getTransportForDay(dayId),
      dayId,
      getDisplayTime: getDisplayTimeForDay,
    })

  // Pre-compute merged items for all days so the render loop doesn't recompute on unrelated state changes (e.g. hover)
  // eslint-disable-next-line react-hooks/exhaustive-deps
  const mergedItemsMap = useMemo(() => {
    const map: Record<number, ReturnType<typeof getMergedItems>> = {}
    days.forEach(day => { map[day.id] = getMergedItems(day.id) })
    return map
  // getMergedItems is redefined each render but captures assignments/dayNotes/reservations/days via closure
  // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [days, assignments, dayNotes, reservations, transportPosVersion, mirrorServiceStops])

  // Days whose inline route legs should be computed & shown. Desktop: the selected
  // day while the Route toggle is on. Mobile: each expanded day the user tapped
  // "Route" on — shown inline so seeing distances between places doesn't require
  // selecting the day, which would close the mobile sheet (#1374).
  const routeDayIds = useMemo<number[]>(() => (
    showRouteToolsWhenExpanded
      ? days.filter(d => expandedRouteDayIds.has(d.id) && expandedDays.has(d.id)).map(d => d.id)
      : (routeShown && selectedDayId ? [selectedDayId] : [])
  ), [showRouteToolsWhenExpanded, expandedRouteDayIds, expandedDays, days, routeShown, selectedDayId])
  const routeDayKey = routeDayIds.join(',')

  // Per-segment travel times shown as connectors between a day's located stops.
  // Groups located places into runs (split at transports), one cached OSRM call per
  // run keyed by the start place's assignment id, plus the hotel bookend legs. Shares
  // RouteCalculator's cache with the map. Runs for every day in routeDayIds — one
  // selected day on desktop, each Route-toggled day on mobile (#1374).
  useEffect(() => {
    if (legsAbortRef.current) legsAbortRef.current.abort()
    if (routeDayIds.length === 0) { setRouteLegs({}); setHotelLegs({}); return }

    const hotelName = (a: Accommodation) => (a as any).place_name || (a as any).reservation_title || ''

    // Pure per-day plan: the drive runs (each ≥2 waypoints) and which hotel bookend
    // legs to draw. Side-effect free, so the async loop below only does OSRM I/O.
    const planDay = (dayId: number) => {
      const merged = mergedItemsMap[dayId] || []
      // Each run point carries the ORIGIN assignment's per-segment travel mode
      // (#1281): the leg from this point to the next is routed with `mode` (null =
      // inherit the day default). Transport endpoints carry no mode → day default.
      const runs: { id: number; lat: number; lng: number; isPlace: boolean; leg_transport_mode?: string | null; incoming_leg_transport_mode?: string | null }[][] = []
      let cur: { id: number; lat: number; lng: number; isPlace: boolean; leg_transport_mode?: string | null; incoming_leg_transport_mode?: string | null }[] = []
      // A run is only a real drive when it holds an actual place. Two back-to-back
      // transports (e.g. two flights on one day) would otherwise pair the first's
      // arrival with the second's departure into a phantom airport→airport leg — the
      // flight, not a drive — and surface it as a bogus connector distance (#1394).
      let curHasPlace = false
      for (const it of merged) {
        if (it.type === 'place' && it.data.place?.lat && it.data.place?.lng) {
          // Mirror of the guard below: the open run may hold nothing but a far-away
          // arrival endpoint, which is no more drivable in this direction (#2133).
          const prev = cur[cur.length - 1]
          if (prev && !prev.isPlace && !withinDriveRange(prev, { lat: it.data.place.lat, lng: it.data.place.lng })) {
            if (cur.length >= 2 && curHasPlace) runs.push(cur)
            cur = []
            curHasPlace = false
          }
          cur.push({ id: it.data.id, lat: it.data.place.lat, lng: it.data.place.lng, isPlace: true, leg_transport_mode: it.data.leg_transport_mode ?? null, incoming_leg_transport_mode: it.data.incoming_leg_transport_mode ?? null })
          curHasPlace = true
        } else if (it.type === 'transport') {
          const r = it.data
          const { from, to } = getTransportRouteEndpoints(r, dayId)
          if (from || to) {
            // Located transport: route to its departure point, break the run (the
            // flight/train itself isn't driven), and let its arrival start the next.
            // ...but only when you could have driven there from the stop before it. A
            // long-haul departure airport that sorted in after the day's local stops is
            // not the end of a drive, and pairing them produces a phantom connector with
            // an ocean-crossing distance (#2133).
            const prev = cur[cur.length - 1]
            if (from && (!prev || withinDriveRange(prev, from))) cur.push({ id: r.id, lat: from.lat, lng: from.lng, isPlace: false })
            if (cur.length >= 2 && curHasPlace) runs.push(cur)
            cur = []
            curHasPlace = false
            if (to) cur.push({ id: r.id, lat: to.lat, lng: to.lng, isPlace: false })
          } else if (cur.length > 0 && !(r.type === 'car' && getSpanPhase(r, dayId) === 'middle') && !hidesOnMiddleDay(r, dayId)) {
            // No location: ignore for routing, but attribute the through-leg to the
            // booking so its distance/duration shows under it (purely cosmetic).
            // Not for a car rental's middle days or a multi-day parking's though:
            // those rows aren't rendered in the timeline, so re-keying would drop
            // the leg entirely (#1504).
            cur[cur.length - 1] = { ...cur[cur.length - 1], id: r.id }
          }
        }
      }
      if (cur.length >= 2 && curHasPlace) runs.push(cur)

      // Hotel bookend legs: the drive from the day's accommodation to the first located
      // waypoint of the day (morning) and from the last one back to it (evening). Only when
      // the "optimize from accommodation" setting is on and the day has a hotel.
      const day = days.find(d => d.id === dayId)
      const bookends = day && optimizeFromAccommodation !== false
        ? getDayBookendHotels(day, days, accommodations)
        : null
      const startHotel = bookends?.morning
      const endHotel = bookends?.evening
      // Waypoints include transport endpoints (a car return, a taxi/train arrival), so the hotel
      // legs connect even when the day starts or ends with a booking rather than a place. Track
      // whether each is a place and its time so the bookend decision can drop a leg that isn't
      // real: a check-in hotel never drove to a departure airport (#1321), and a place timed before
      // check-in / after check-out means you weren't at the hotel then (#1465).
      // A carrier endpoint (flight/train/ferry/cruise/coach — not a hire car you keep
      // driving) also records WHICH end it is, so the hotel leg can be dropped when it
      // is one you flew out of or landed at rather than drove between (#2133).
      const wayPts: { lat: number; lng: number; isPlace: boolean; time: string | null; carrierEdge?: CarrierEdge; leg_transport_mode?: string | null; incoming_leg_transport_mode?: string | null; id?: number }[] = []
      for (const it of merged) {
        if (it.type === 'place' && it.data.place?.lat && it.data.place?.lng) {
          wayPts.push({ lat: it.data.place.lat, lng: it.data.place.lng, isPlace: true, time: it.data.place?.place_time ?? null, leg_transport_mode: it.data.leg_transport_mode ?? null, incoming_leg_transport_mode: it.data.incoming_leg_transport_mode ?? null, id: it.data.id })
        } else if (it.type === 'transport') {
          const { from, to } = getTransportRouteEndpoints(it.data, dayId)
          const carrier = isCarrierTransport(it.data)
          if (from) wayPts.push({ lat: from.lat, lng: from.lng, isPlace: false, time: null, carrierEdge: carrier ? 'departure' : null })
          if (to) wayPts.push({ lat: to.lat, lng: to.lng, isPlace: false, time: null, carrierEdge: carrier ? 'arrival' : null })
        }
      }
      const firstWay = wayPts[0]
      const lastWay = wayPts[wayPts.length - 1]
      const reachable = (h: { place_lat?: number | null; place_lng?: number | null } | undefined, w: typeof firstWay) =>
        !h || !w || w.isPlace || h.place_lat == null || h.place_lng == null
        || withinDriveRange({ lat: h.place_lat, lng: h.place_lng }, w)
      // Same carrier evidence the map route uses (#2157): with a located carrier
      // endpoint on the day, the no-time default must not open a hotel leg.
      const dayHasCarrier = wayPts.some(w => w.carrierEdge != null)
      const wantTop = !!(startHotel && firstWay && bookends && day && shouldDrawMorningLeg(bookends, day, firstWay, dayHasCarrier)) && reachable(startHotel, firstWay)
      const wantBottom = !!(endHotel && lastWay && bookends && day && shouldDrawEveningLeg(bookends, day, lastWay, dayHasCarrier)) && reachable(endHotel, lastWay)
      return { runs, startHotel, endHotel, firstWay, lastWay, wantTop, wantBottom }
    }

    const controller = new AbortController()
    legsAbortRef.current = controller
    ;(async () => {
      const legsByDay: Record<number, Record<number, RouteSegment>> = {}
      const hotelByDay: Record<number, { top?: { seg: RouteSegment; name: string; targetId?: number }; bottom?: { seg: RouteSegment; name: string; targetId?: number } }> = {}

      // One cached OSRM/plugin call per waypoint pair; shares RouteCalculator's cache.
      // tripId/dayId ride along for plugin route profiles (the server access-checks them).
      // Resolve a leg's mode (#1281): an explicit per-segment override wins, then
      // the day's saved default, then the live picker value. Sticky by design — the
      // day default never touches a leg that carries its own mode.
      const dayDefaultMode = (dayId: number): string =>
        days.find(d => d.id === dayId)?.default_transport_mode || routeProfile

      const legBetween = async (a: { lat: number; lng: number }, b: { lat: number; lng: number }, dayId: number, mode: string): Promise<RouteSegment | undefined> => {
        try {
          const r = await calculateRouteWithLegs([a, b], { signal: controller.signal, profile: mode, tripId, dayId })
          return r.legs[0] ? { ...r.legs[0], mode } : undefined
        } catch { return undefined }
      }

      // Collect every leg of every day first, then fetch them a few at a time.
      // Each result is stored under its own key, so nothing here depends on the
      // order they come back in — which is what lets them overlap at all.
      const tasks: (() => Promise<void>)[] = []

      for (const dayId of routeDayIds) {
        const { runs, startHotel, endHotel, firstWay, lastWay, wantTop, wantBottom } = planDay(dayId)
        const dfMode = dayDefaultMode(dayId)
        const dayLegs: Record<number, RouteSegment> = {}
        legsByDay[dayId] = dayLegs
        for (const run of runs) {
          // One routing call per LEG, each with its own resolved mode, so a day can
          // mix walking/driving/plugin legs. RouteCalculator's cache is keyed per
          // profile+coords, so per-leg calls stay cheap (a single-mode day reuses
          // the same entries) and each leg is tagged with the mode it was drawn in.
          for (let i = 0; i < run.length - 1; i++) {
            const from = run[i]
            const to = run[i + 1]
            const mode = resolveLegMode(from, to, dfMode)
            tasks.push(async () => {
              const seg = await legBetween({ lat: from.lat, lng: from.lng }, { lat: to.lat, lng: to.lng }, dayId, mode)
              if (seg) dayLegs[from.id] = seg
            })
          }
        }
        const hotel: { top?: { seg: RouteSegment; name: string; targetId?: number }; bottom?: { seg: RouteSegment; name: string; targetId?: number } } = {}
        hotelByDay[dayId] = hotel
        if (wantTop) {
          const mode = resolveLegMode({ isPlace: false }, firstWay!, dfMode)
          tasks.push(async () => {
            const seg = await legBetween({ lat: startHotel!.place_lat as number, lng: startHotel!.place_lng as number }, { lat: firstWay!.lat, lng: firstWay!.lng }, dayId, mode)
            if (seg) hotel.top = { seg, name: hotelName(startHotel!), targetId: firstWay!.isPlace ? firstWay!.id : undefined }
          })
        }
        if (wantBottom) {
          const mode = resolveLegMode(lastWay!, { isPlace: false }, dfMode)
          tasks.push(async () => {
            const seg = await legBetween({ lat: lastWay!.lat, lng: lastWay!.lng }, { lat: endHotel!.place_lat as number, lng: endHotel!.place_lng as number }, dayId, mode)
            if (seg) hotel.bottom = { seg, name: hotelName(endHotel!), targetId: lastWay!.isPlace ? lastWay!.id : undefined }
          })
        }
      }

      // Small pool on purpose: a week of days is dozens of legs and the routing
      // host is often a shared OSRM.
      let nextTask = 0
      const runTasks = async () => {
        while (nextTask < tasks.length && !controller.signal.aborted) await tasks[nextTask++]()
      }
      await Promise.all(Array.from({ length: Math.min(6, tasks.length) }, runTasks))

      if (controller.signal.aborted) return
      // Days that ended up without a single leg were never in the map before.
      for (const dayId of Object.keys(legsByDay).map(Number)) {
        if (!Object.keys(legsByDay[dayId]).length) delete legsByDay[dayId]
      }
      for (const dayId of Object.keys(hotelByDay).map(Number)) {
        if (!hotelByDay[dayId].top && !hotelByDay[dayId].bottom) delete hotelByDay[dayId]
      }
      setRouteLegs(legsByDay)
      setHotelLegs(hotelByDay)
    })()
    // routeDayIds is memoized from the same inputs as routeDayKey below, so keying the
    // effect on the string is equivalent while staying stable across unrelated renders.
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [routeDayKey, routeProfile, mergedItemsMap, accommodations, days, optimizeFromAccommodation, distanceUnit])

  const openAddNote = (dayId, e) => {
    e?.stopPropagation()
    _openAddNote(dayId, getMergedItems, (id) => {
      if (!expandedDays.has(id)) setExpandedDays(prev => new Set([...prev, id]))
    })
  }

  const openEditNote = (dayId: number, note: DayNote) => _openEditNote(dayId, note)

  // Deleting a note asks for confirmation first — the edit/delete icons sit close together and are
  // easy to mis-tap on touch devices, where an accidental delete was previously unrecoverable.
  const [pendingDeleteNote, setPendingDeleteNote] = useState<{ dayId: number; noteId: number } | null>(null)

  const deleteNote = (dayId: number, noteId: number) => _deleteNote(dayId, noteId)

  // Unified reorder: assigns positions to ALL item types based on new visual order
  const applyMergedOrder = async (dayId: number, newOrder: { type: string; data: any }[]) => {
    // Capture previous place order for undo
    const prevAssignmentIds = (assignments[String(dayId)] || []).slice().sort((a, b) => a.order_index - b.order_index).map(a => a.id)
    // …and, per booking, the fields this call is about to overwrite, so a failed write
    // can put the visible order back instead of leaving a phantom one behind the error
    // toast. Restoring the whole array instead would also drop what a collaborator's
    // socket event applied while the requests were in flight.
    const pendingRollback: (Partial<Reservation> & { id: number })[] = []
    const dropRollback = (id: number) => {
      const i = pendingRollback.findIndex(p => p.id === id)
      if (i >= 0) pendingRollback.splice(i, 1)
    }
    const rollBackReservations = () => {
      if (!pendingRollback.length) return
      useTripStore.setState(state => ({
        reservations: state.reservations.map(r => {
          const p = pendingRollback.find(x => x.id === r.id)
          return p ? { ...r, ...p } : r
        })
      }))
      setTransportPosVersion(v => v + 1)
    }

    // Places get sequential integer positions (0, 1, 2, ...)
    // Non-place items between place N-1 and place N get fractional positions
    const assignmentIds: number[] = []
    const noteUpdates: { id: number; sort_order: number }[] = []
    const transportUpdates: { id: number; day_plan_position: number }[] = []
    // Multi-leg flight legs share a reservation id, so their positions can't live in
    // the single per-booking slot — collect them per leg, keyed reservationId → legIndex → pos.
    const legPosUpdates: Record<number, Record<number, number>> = {}

    let placeCount = 0
    let i = 0
    while (i < newOrder.length) {
      if (newOrder[i].type === 'place') {
        assignmentIds.push(newOrder[i].data.id)
        placeCount++
        i++
      } else {
        // Collect consecutive non-place items
        const group: { type: string; data: any }[] = []
        while (i < newOrder.length && newOrder[i].type !== 'place') {
          group.push(newOrder[i])
          i++
        }
        // Fractional positions between (placeCount-1) and placeCount
        const base = placeCount > 0 ? placeCount - 1 : -1
        group.forEach((g, idx) => {
          const pos = base + (idx + 1) / (group.length + 1)
          if (g.type === 'note') noteUpdates.push({ id: g.data.id, sort_order: pos })
          else if (g.type === 'transport') {
            if (g.data.__leg) ((legPosUpdates[g.data.id] ??= {})[g.data.__leg.index] = pos)
            else transportUpdates.push({ id: g.data.id, day_plan_position: pos })
          }
        })
      }
    }

    try {
      // Update transport positions in store FIRST so the useEffect triggered by
      // onReorder's optimistic assignment update reads the correct positions.
      if (transportUpdates.length) {
        for (const tu of transportUpdates) {
          const r = useTripStore.getState().reservations.find(x => x.id === tu.id)
          if (r) pendingRollback.push({ id: r.id, day_plan_position: r.day_plan_position, day_positions: r.day_positions })
        }
        useTripStore.setState(state => ({
          reservations: state.reservations.map(r => {
            const tu = transportUpdates.find(u => u.id === r.id)
            if (!tu) return r
            const day_positions = { ...(r.day_positions || {}), [dayId]: tu.day_plan_position }
            return { ...r, day_plan_position: tu.day_plan_position, day_positions }
          })
        }))
        setTransportPosVersion(v => v + 1)
      }
      // Per-leg positions of multi-leg flights live in metadata.legs[i].day_positions
      // (the single per-booking slot can't hold one position per leg).
      const legResIds = Object.keys(legPosUpdates)
      if (legResIds.length) {
        for (const ridStr of legResIds) {
          const rid = Number(ridStr)
          const r = useTripStore.getState().reservations.find(x => x.id === rid)
          if (!r) continue
          let parsed: any = {}
          try { parsed = typeof r.metadata === 'string' ? JSON.parse(r.metadata || '{}') : (r.metadata || {}) } catch { parsed = {} }
          if (!Array.isArray(parsed.legs)) continue
          const legs = parsed.legs.map((leg: any, i: number) => {
            const pos = legPosUpdates[rid][i]
            return pos == null ? leg : { ...leg, day_positions: { ...(leg.day_positions || {}), [dayId]: pos } }
          })
          // Send metadata as an OBJECT (like the form does) — passing a JSON string
          // here double-encodes it on the server, which wipes metadata.legs on read
          // and collapses the flight back to a single span.
          const newMeta = { ...parsed, legs }
          pendingRollback.push({ id: rid, metadata: r.metadata })
          useTripStore.setState(state => ({ reservations: state.reservations.map(x => (x.id === rid ? { ...x, metadata: newMeta } : x)) }))
          await tripActions.updateReservation(tripId, rid, { metadata: newMeta })
          // Stored, so a later step failing must not put the old legs back.
          dropRollback(rid)
        }
        setTransportPosVersion(v => v + 1)
      }
      if (assignmentIds.length) await onReorder(dayId, assignmentIds)
      if (transportUpdates.length) {
        onRouteRefresh?.()
        await reservationsApi.updatePositions(tripId, transportUpdates, dayId)
        for (const tu of transportUpdates) dropRollback(tu.id)
      }
      for (const n of noteUpdates) {
        await tripActions.updateDayNote(tripId, dayId, n.id, { sort_order: n.sort_order })
      }
      if (prevAssignmentIds.length) {
        const capturedDayId = dayId
        const capturedPrevIds = prevAssignmentIds
        pushUndo?.(t('undo.reorder'), async () => {
          await tripActions.reorderAssignments(tripId, capturedDayId, capturedPrevIds)
        })
      }
    } catch (err: unknown) {
      rollBackReservations()
      toast.error(err instanceof Error ? err.message : t('common.unknownError'))
    }
  }

  const handleMergedDrop = async (dayId, fromType, fromId, toType, toId, insertAfter = false, toLegIndex = null) => {
    const m = getMergedItems(dayId)
    // Multi-leg flights expose one item per leg sharing the same reservation id;
    // disambiguate the drop target by leg index so you can drop BETWEEN legs.
    const matchTo = (i: any) => i.type === toType && i.data.id === toId && (toLegIndex == null || i.data?.__leg?.index === toLegIndex)

    // Check if a timed place is being moved → would it break chronological order?
    if (fromType === 'place') {
      const fromItem = m.find(i => i.type === 'place' && i.data.id === fromId)
      const fromMinutes = parseTimeToMinutes(fromItem?.data?.place?.place_time)
      if (fromItem && fromMinutes !== null) {
        const fromIdx = m.findIndex(i => i.type === fromType && i.data.id === fromId)
        const toIdx = m.findIndex(matchTo)
        if (fromIdx !== -1 && toIdx !== -1) {
          const simulated = [...m]
          const [moved] = simulated.splice(fromIdx, 1)
          let insertIdx = simulated.findIndex(matchTo)
          if (insertIdx === -1) insertIdx = simulated.length
          if (insertAfter) insertIdx += 1
          simulated.splice(insertIdx, 0, moved)

          const timedInOrder = simulated
            .map(i => {
              if (i.type === 'transport') return parseTimeToMinutes(i.data?.reservation_time)
              if (i.type === 'place') return parseTimeToMinutes(i.data?.place?.place_time)
              return null
            })
            .filter(t => t !== null)
          const isChronological = timedInOrder.every((t, i) => i === 0 || t >= timedInOrder[i - 1])

          if (!isChronological) {
            const placeTime = fromItem.data.place.place_time
            const timeStr = placeTime.includes(':') ? placeTime.substring(0, 5) : placeTime
            setTimeConfirm({ dayId, fromType, fromId, toType, toId, insertAfter, toLegIndex, time: timeStr })
            setDraggingId(null); setDropTargetKey(null); dragDataRef.current = null
            return
          }
        }
      }
    }

    // Build new order: remove the dragged item, insert at target position
    const fromIdx = m.findIndex(i => i.type === fromType && i.data.id === fromId)
    const toIdx = m.findIndex(matchTo)
    if (fromIdx === -1 || toIdx === -1 || fromIdx === toIdx) {
      setDraggingId(null); setDropTargetKey(null); dragDataRef.current = null
      return
    }

    const newOrder = [...m]
    const [moved] = newOrder.splice(fromIdx, 1)
    let adjustedTo = newOrder.findIndex(matchTo)
    if (adjustedTo === -1) adjustedTo = newOrder.length
    if (insertAfter) adjustedTo += 1
    newOrder.splice(adjustedTo, 0, moved)

    await applyMergedOrder(dayId, newOrder)
    setDraggingId(null)
    setDropTargetKey(null)
    dragDataRef.current = null
  }

  const confirmTimeRemoval = async () => {
    if (!timeConfirm) return
    const saved = { ...timeConfirm }
    const { dayId, fromId, fromType, toType, toId, insertAfter, toLegIndex } = saved
    setTimeConfirm(null)

    // Remove time from assignment
    try {
      await assignmentsApi.updateTime(tripId, fromId, { place_time: null, end_time: null })
      const key = String(dayId)
      const currentAssignments = { ...assignments }
      if (currentAssignments[key]) {
        currentAssignments[key] = currentAssignments[key].map(a =>
          a.id === fromId ? { ...a, place: { ...a.place, place_time: null, end_time: null } } : a
        )
        tripActions.setAssignments(currentAssignments)
      }
    } catch (err) {
      toast.error(err instanceof Error ? err.message : t('common.unknownError'))
      return
    }

    // Re-apply the pending move against the current merged list
    const m = getMergedItems(dayId)

    if (fromType && toType) {
      const matchTo = (i: any) => i.type === toType && i.data.id === toId && (toLegIndex == null || i.data?.__leg?.index === toLegIndex)
      const fromIdx = m.findIndex(i => i.type === fromType && i.data.id === fromId)
      const toIdx = m.findIndex(matchTo)
      if (fromIdx === -1 || toIdx === -1 || fromIdx === toIdx) return

      const newOrder = [...m]
      const [moved] = newOrder.splice(fromIdx, 1)
      let adjustedTo = newOrder.findIndex(matchTo)
      if (adjustedTo === -1) adjustedTo = newOrder.length
      if (insertAfter) adjustedTo += 1
      newOrder.splice(adjustedTo, 0, moved)

      await applyMergedOrder(dayId, newOrder)
    }
  }

  const moveNote = async (dayId, noteId, direction) => {
    await _moveNote(dayId, noteId, direction, getMergedItems)
  }

  const toggleLock = (assignmentId) => {
    const prevLocked = new Set(lockedIds)
    setLockedIds(prev => {
      const next = new Set(prev)
      if (next.has(assignmentId)) next.delete(assignmentId)
      else next.add(assignmentId)
      return next
    })
    pushUndo?.(t('undo.lock'), () => { setLockedIds(prevLocked) })
  }

  const handleOptimize = async (dayId: number) => {
    const da = getDayAssignments(dayId)
    if (da.length < 3) return

    const prevIds = (assignments[String(dayId)] || []).slice().sort((a, b) => a.order_index - b.order_index).map(a => a.id)

    // Separate fixed (stay at their index) and movable assignments. A place is
    // fixed if it's locked OR has a set time — timed places are anchored by their
    // time, so the optimizer must not reshuffle them.
    const locked = new Map() // index -> assignment
    const unlocked = []
    da.forEach((a, i) => {
      if (lockedIds.has(a.id) || a.place?.place_time) locked.set(i, a)
      else unlocked.push(a)
    })

    // Optimize only unlocked assignments (work on assignments, not places)
    const unlockedWithCoords = unlocked.filter(a => a.place?.lat && a.place?.lng)
    const unlockedNoCoords = unlocked.filter(a => !a.place?.lat || !a.place?.lng)
    // Anchor the route on the day's accommodation (when enabled): a loop out from and back to the
    // hotel, or — on a transfer day — a run from the hotel you leave to the one you arrive at.
    const day = days.find(d => d.id === dayId)
    const anchors = day && useSettingsStore.getState().settings.optimize_from_accommodation !== false
      ? getAccommodationAnchors(
          day, days, accommodations,
          unlockedWithCoords.map(a => ({ lat: a.place!.lat!, lng: a.place!.lng! })),
          (mergedItemsMap[dayId] || []).some(i => i.type === 'transport' && hasCarrierEndpointOnDay(i.data, dayId)),
        )
      : {}
    const optimizedAssignments = unlockedWithCoords.length >= 2
      ? optimizeRoute(unlockedWithCoords.map(a => ({ ...a.place, _assignmentId: a.id })), anchors).map(p => unlockedWithCoords.find(a => a.id === p._assignmentId)).filter(Boolean)
      : unlockedWithCoords
    const optimizedQueue = [...optimizedAssignments, ...unlockedNoCoords]

    // Merge: locked stay at their index, fill gaps with optimized
    const result = new Array(da.length)
    locked.forEach((a, i) => { result[i] = a })
    let qi = 0
    for (let i = 0; i < result.length; i++) {
      if (!result[i]) result[i] = optimizedQueue[qi++]
    }

    await onReorder(dayId, result.map(a => a.id))
    const usedHotel = !!(anchors.start || anchors.end)
    toast.success(usedHotel ? t('dayplan.toast.routeOptimizedFromHotel') : t('dayplan.toast.routeOptimized'))
    const capturedDayId = dayId
    pushUndo?.(t('undo.optimize'), async () => {
      await tripActions.reorderAssignments(tripId, capturedDayId, prevIds)
    })
  }


  const handleDropOnDay = (e, dayId) => {
    e.preventDefault()
    e.stopPropagation()
    setDragOverDayId(null)
    const { placeId, assignmentId, noteId, reservationId: fromReservationId, fromDayId, phase } = getDragData(e)
    if (fromReservationId && fromDayId !== dayId) {
      const r = reservations.find(x => x.id === Number(fromReservationId))
      if (r) { const update = computeMultiDayMove(r, dayId, phase); tripActions.updateReservation(tripId, r.id, update).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError'))) }
      setDraggingId(null); setDropTargetKey(null); dragDataRef.current = null; window.__dragData = null; return
    }
    if (placeId) {
      onAssignToDay?.(Number.parseInt(placeId), dayId)
    } else if (assignmentId && fromDayId !== dayId) {
      const srcAssignment = (useTripStore.getState().assignments[String(fromDayId)] || []).find(a => a.id === Number(assignmentId))
      const capturedFromDayId = fromDayId
      const capturedOrderIndex = srcAssignment?.order_index ?? 0
      tripActions.moveAssignment(tripId, Number(assignmentId), fromDayId, dayId)
        .then(() => {
          pushUndo?.(t('undo.moveDay'), async () => {
            await tripActions.moveAssignment(tripId, Number(assignmentId), dayId, capturedFromDayId, capturedOrderIndex)
          })
        })
        .catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError')))
    } else if (noteId && fromDayId !== dayId) {
      tripActions.moveDayNote(tripId, fromDayId, dayId, Number(noteId)).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError')))
    }
    setDraggingId(null)
    setDropTargetKey(null)
    dragDataRef.current = null
    window.__dragData = null
  }

  const totalCostLabel = useMemo(() => {
    const entries = days.flatMap(d => (assignments[String(d.id)] || []).map(a => ({
      amount: Number(a.place?.price) || 0,
      currency: a.place?.currency || currency,
    })))
    return formatMoneySum(entries, costBase, locale, fxRates)
  }, [days, assignments, currency, costBase, locale, fxRates])

  return {
    tripId,
    trip,
    days,
    places,
    categories,
    assignments,
    selectedDayId,
    selectedPlaceId,
    selectedAssignmentId,
    onSelectDay,
    onPlaceClick,
    onDayDetail,
    accommodations,
    onReorder,
    onReorderDays,
    onAddDay,
    onAssignToDay,
    onRemoveAssignment,
    onEditPlace,
    onDeletePlace,
    reservations,
    visibleConnectionIds,
    onToggleConnection,
    allConnectionsShown,
    onToggleAllConnections,
    externalTransportDetail,
    onExternalTransportDetailHandled,
    onAddReservation,
    onAddPlace,
    onAddPlaceToDay,
    onCreatePlaceForDay,
    onNavigateToFiles,
    routeShown,
    routeProfile,
    onToggleRoute,
    onSetRouteProfile,
    onExpandedDaysChange,
    pushUndo,
    canUndo,
    lastActionLabel,
    onUndo,
    onRouteRefresh,
    onAddTransport,
    onPlanTransit,
    onPlanTransitLeg,
    onOpenTransit,
    onEditTransport,
    expandedTransitIds,
    setExpandedTransitIds,
    onEditReservation,
    onAddBookingToAssignment,
    initialScrollTop,
    onScrollTopChange,
    showRouteToolsWhenExpanded,
    isMobile,
    dragDisabled,
    toast,
    t,
    language,
    locale,
    ctxMenu,
    timeFormat,
    tripActions,
    can,
    canEditDays,
    canManageShare,
    noteUi,
    setNoteUi,
    noteInputRef,
    dayNotes,
    openAddNote,
    openEditNote,
    cancelNote,
    saveNote,
    deleteNote,
    pendingDeleteNote,
    setPendingDeleteNote,
    moveNote,
    expandedDays,
    setExpandedDays,
    routeLegs,
    setRouteLegs,
    hotelLegs,
    setHotelLegs,
    legsAbortRef,
    draggingId,
    setDraggingId,
    lockedIds,
    setLockedIds,
    lockHoverId,
    setLockHoverId,
    undoHover,
    setUndoHover,
    hoveredAssignmentId,
    setHoveredAssignmentId,
    dropTargetKey,
    _setDropTargetKey,
    dropTargetRef,
    setDropTargetKey,
    dragOverDayId,
    setDragOverDayId,
    transportDetail,
    setTransportDetail,
    transportPosVersion,
    setTransportPosVersion,
    timeConfirm,
    setTimeConfirm,
    dragDataRef,
    scrollContainerRef,
    dayRefs,
    initedTransportIds,
    lastAutoScrolledIdRef,
    currency,
    costBase,
    fxRates,
    getDragData,
    prevDayCount,
    toggleDay,
    getSpanLabel,
    getDayOrder,
    computeMultiDayMove,
    getTransportForDay,
    getActiveRentalsForDay,
    getDayAssignments,
    computeTransportPosition,
    initTransportPositions,
    getMergedItems,
    mergedItemsMap,
    applyMergedOrder,
    handleMergedDrop,
    confirmTimeRemoval,
    toggleLock,
    handleOptimize,
    handleDropOnDay,
    totalCostLabel,
    expandedRouteDayIds,
    setExpandedRouteDayIds,
  }
}

/**
 * Below this the plan sidebar has no room for a word on the route button.
 *
 * The word goes early on purpose: it shares its row with two export buttons and
 * an optimise button, and a "Route" squeezed to four letters and an ellipsis is
 * worse than the icon that means the same thing. The icon keeps the accessible
 * name, so nothing is lost but the letters.
 */
const NARROW_PLAN_PX = 320

const DayPlanSidebar = React.memo(function DayPlanSidebar(props: DayPlanSidebarProps) {
  const S = useDayPlanSidebar(props)
  // The plan sidebar is resizable. Below this the route button's own word is the
  // first thing that stops fitting beside the two export buttons — the icon says
  // the same thing, and the accessible name still spells it out.
  //
  // A callback ref rather than `useRef`, so the measurement happens when the
  // element exists rather than on a mount that may render nothing yet.
  const [panel, setPanel] = useState<HTMLElement | null>(null)
  const [narrowPanel, setNarrowPanel] = useState(false)
  useEffect(() => {
    if (!panel || typeof ResizeObserver === 'undefined') return
    const measure = (): void => setNarrowPanel(panel.clientWidth < NARROW_PLAN_PX)
    measure()
    const ro = new ResizeObserver(measure)
    ro.observe(panel)
    return () => ro.disconnect()
  }, [panel])
  // A stable key for the current selection. A multi-day place renders one row per
  // day (same place_id, different assignment ids); selecting it by place_id alone
  // (e.g. clicking an accommodation) marks every one of those rows selected, so a
  // per-assignment scroll-lock would let each day's row scroll the list in turn.
  // Keying the lock on the selection identity makes only the first row scroll (#1375).
  const selectionScrollKey = S.selectedAssignmentId != null ? `a${S.selectedAssignmentId}` : S.selectedPlaceId != null ? `p${S.selectedPlaceId}` : null
  // Needed by the route-tools visibility gate in the render below (#1330); the hook
  // keeps its own copy, so read it reactively here in the component scope too.
  const optimizeFromAccommodation = useSettingsStore(s => s.settings.optimize_from_accommodation)
  const collectionsEnabled = useAddonStore(s => s.isEnabled('collections'))
  // Route-profile picker entries: the two built-ins plus every profile an active
  // routeProvider plugin declared (keyed 'plugin:<id>/<profile>', labeled by the
  // plugin's manifest). The feed only lists granted providers.
  const activePlugins = usePluginStore(s => s.plugins)
  // Plugin time contributions in the day plan (dayScheduleProvider hook).
  const daySchedule = usePluginDaySchedule(S.tripId)
  // Per-day colours from the dayTintProvider hook — e.g. which leg of the trip a
  // day belongs to. Empty unless a granted plugin provides them.
  const dayTints = usePluginDayTints(S.tripId)
  const routeProfileOptions = useMemo(() => {
    const opts: Array<{ key: string; label: string }> = [
      { key: 'driving', label: 'Driving' },
      { key: 'walking', label: 'Walking' },
    ]
    for (const p of activePlugins) {
      for (const prof of p.routeProfiles ?? []) opts.push({ key: `plugin:${p.id}/${prof.id}`, label: prof.label })
    }
    return opts
  }, [activePlugins])
  const {
    tripId,
    trip,
    days,
    places,
    categories,
    assignments,
    selectedDayId,
    selectedPlaceId,
    selectedAssignmentId,
    onSelectDay,
    onPlaceClick,
    onDayDetail,
    accommodations,
    onReorder,
    onReorderDays,
    onAddDay,
    onAssignToDay,
    onRemoveAssignment,
    onEditPlace,
    onDeletePlace,
    reservations,
    visibleConnectionIds,
    onToggleConnection,
    allConnectionsShown,
    onToggleAllConnections,
    externalTransportDetail,
    onExternalTransportDetailHandled,
    onAddReservation,
    onAddPlace,
    onAddPlaceToDay,
    onCreatePlaceForDay,
    onNavigateToFiles,
    routeShown,
    routeProfile,
    onToggleRoute,
    onSetRouteProfile,
    onExpandedDaysChange,
    pushUndo,
    canUndo,
    lastActionLabel,
    onUndo,
    onRouteRefresh,
    onAddTransport,
    onPlanTransit,
    onPlanTransitLeg,
    onOpenTransit,
    onEditTransport,
    expandedTransitIds,
    setExpandedTransitIds,
    onEditReservation,
    onAddBookingToAssignment,
    initialScrollTop,
    onScrollTopChange,
    showRouteToolsWhenExpanded,
    isMobile,
    dragDisabled,
    toast,
    t,
    language,
    locale,
    ctxMenu,
    timeFormat,
    tripActions,
    can,
    canEditDays,
    canManageShare,
    noteUi,
    setNoteUi,
    noteInputRef,
    dayNotes,
    openAddNote,
    openEditNote,
    cancelNote,
    saveNote,
    deleteNote,
    pendingDeleteNote,
    setPendingDeleteNote,
    moveNote,
    expandedDays,
    setExpandedDays,
    routeLegs,
    setRouteLegs,
    hotelLegs,
    setHotelLegs,
    legsAbortRef,
    draggingId,
    setDraggingId,
    lockedIds,
    setLockedIds,
    lockHoverId,
    setLockHoverId,
    undoHover,
    setUndoHover,
    hoveredAssignmentId,
    setHoveredAssignmentId,
    dropTargetKey,
    _setDropTargetKey,
    dropTargetRef,
    setDropTargetKey,
    dragOverDayId,
    setDragOverDayId,
    transportDetail,
    setTransportDetail,
    transportPosVersion,
    setTransportPosVersion,
    timeConfirm,
    setTimeConfirm,
    dragDataRef,
    scrollContainerRef,
    dayRefs,
    initedTransportIds,
    lastAutoScrolledIdRef,
    currency,
    costBase,
    fxRates,
    getDragData,
    prevDayCount,
    toggleDay,
    getSpanLabel,
    getDayOrder,
    computeMultiDayMove,
    getTransportForDay,
    getActiveRentalsForDay,
    getDayAssignments,
    computeTransportPosition,
    initTransportPositions,
    getMergedItems,
    mergedItemsMap,
    applyMergedOrder,
    handleMergedDrop,
    confirmTimeRemoval,
    toggleLock,
    handleOptimize,
    handleDropOnDay,
    totalCostLabel,
    expandedRouteDayIds,
    setExpandedRouteDayIds,
  } = S

  // ── Per-segment / per-day travel mode (#1281) ──────────────────────────────
  // Icon per mode, matching the route picker (driving→Car, walking→Footprints,
  // any plugin profile→Zap).
  const modeIcon = (key: string) => (key === 'walking' ? Footprints : key.startsWith('plugin:') ? Zap : Car)

  // Set the mode of the leg LEAVING this stop. Optimistic (the connector + map
  // recompute from the store), then persisted; null clears the override so the leg
  // falls back to the day default. The whole-day picker never writes here — that is
  // what keeps a chosen segment sticky against the Foot/Car button (#1281).
  const setLegMode = (assignmentId: number, dayId: number, mode: string | null) => {
    const key = String(dayId)
    if (assignments[key]) {
      tripActions.setAssignments({
        ...assignments,
        [key]: assignments[key].map(a => (a.id === assignmentId ? { ...a, leg_transport_mode: mode } : a)),
      })
    }
    assignmentsApi.updateTransport(tripId, assignmentId, mode).catch((err: unknown) => {
      toast.error(err instanceof Error ? err.message : t('common.unknownError'))
      tripActions.refreshDays(tripId)
    })
  }

  // The whole-day default (the Car/Foot picker). Persisted so it survives a reload,
  // and mirrored into routeProfile so the live map redraws at once. Legs that carry
  // their own mode are left untouched.
  const setDayDefaultMode = (dayId: number, mode: string) => {
    useTripStore.setState(state => ({ days: state.days.map(d => (d.id === dayId ? { ...d, default_transport_mode: mode } : d)) }))
    onSetRouteProfile?.(mode)
    daysApi.updateTransport(tripId, dayId, mode).catch((err: unknown) => {
      toast.error(err instanceof Error ? err.message : t('common.unknownError'))
      tripActions.refreshDays(tripId)
    })
  }

  // A connector's endpoints carry only coordinates (RouteSegment.from/to, both
  // [lat, lng]); resolve them back to the NAMES the transit search shows by indexing
  // every located place, hotel and booking endpoint on the trip. Name is a property
  // of a coordinate, so a trip-wide index is fine; a connector only renders when both
  // ends are located, so a coordinate that misses the index is rare (nameless pick).
  const transitNameIndex = useMemo(() => {
    const m = new Map<string, string>()
    const put = (lat?: number | null, lng?: number | null, name?: string | null) => {
      if (lat == null || lng == null || !name) return
      const k = `${lat},${lng}`
      if (!m.has(k)) m.set(k, name)
    }
    for (const list of Object.values(assignments)) {
      for (const a of list) put(a.place?.lat, a.place?.lng, a.place?.name)
    }
    for (const acc of accommodations) put(acc.place_lat, acc.place_lng, acc.place_name)
    for (const r of reservations) {
      for (const ep of (r.endpoints || [])) put(ep.lat, ep.lng, ep.name)
    }
    return m
  }, [assignments, accommodations, reservations])

  // The leg's departure time must be resolved WITHIN its day: the same located POI can
  // be revisited on another day at a different time (a supported pattern), so a
  // trip-wide coordinate index would return the wrong day's time. Scope to this day's
  // assignments (and the reservations that touch it) so a revisit keeps its own time.
  const originDepartureTime = (originKey: string, dayId: number): string | null => {
    for (const a of assignments[String(dayId)] ?? []) {
      if (a.place?.lat != null && a.place?.lng != null && `${a.place.lat},${a.place.lng}` === originKey) return a.place.place_time ?? null
    }
    for (const r of reservations) {
      if (r.day_id !== dayId && r.end_day_id !== dayId) continue
      for (const ep of (r.endpoints || [])) {
        if (ep.lat != null && ep.lng != null && `${ep.lat},${ep.lng}` === originKey) return ep.local_time ?? null
      }
    }
    return null
  }

  // Build the "public transport" prefill for a leg from its RouteSegment: MOTIS is
  // driven off the coordinates, the names come from the index and the departure time
  // from the origin's own day. Accepts 'H:mm' or 'HH:mm[:ss]', normalised to 'HH:mm'.
  const buildTransitLeg = (seg: RouteSegment | undefined, dayId: number): { from: PickedPlace; to: PickedPlace; time: string | null } | null => {
    if (!seg?.from || !seg?.to) return null
    const pick = (c: [number, number]): PickedPlace => ({ name: transitNameIndex.get(`${c[0]},${c[1]}`) || '', lat: c[0], lng: c[1] })
    const rawTime = originDepartureTime(`${seg.from[0]},${seg.from[1]}`, dayId)
    const m = rawTime ? /^(\d{1,2}):(\d{2})/.exec(rawTime) : null
    return { from: pick(seg.from), to: pick(seg.to), time: m ? `${m[1].padStart(2, '0')}:${m[2]}` : null }
  }

  // The extra connector-menu entry (#1281 follow-up): search public transit for this
  // leg instead of drawing a road route. Only when a handler is wired (day has dates).
  const transitLegMenuItem = (dayId: number, seg?: RouteSegment) => {
    if (!onPlanTransitLeg) return []
    const leg = buildTransitLeg(seg, dayId)
    if (!leg) return []
    return [{ label: t('transit.title'), icon: TramFront, onClick: () => onPlanTransitLeg({ dayId, from: leg.from, to: leg.to, time: leg.time }) }]
  }

  // Open the mode menu at the clicked connector: every route profile, the optional
  // "public transport" entry, plus a "use day default" entry that clears the override.
  const openLegModeMenu = (e: React.MouseEvent, assignmentId: number, dayId: number, seg?: RouteSegment) => {
    ctxMenu.open(e, [
      ...routeProfileOptions.map(o => ({ label: o.label, icon: modeIcon(o.key), onClick: () => setLegMode(assignmentId, dayId, o.key) })),
      ...transitLegMenuItem(dayId, seg),
      { divider: true },
      { label: t('dayplan.transportMode.useDefault'), icon: RotateCcw, onClick: () => setLegMode(assignmentId, dayId, null) },
    ])
  }

  // Set the mode of the leg ENTERING this stop (a booking arrival or the morning
  // hotel bookend). Optimistic, then persisted with direction:'incoming'.
  const setIncomingLegMode = (assignmentId: number, dayId: number, mode: string | null) => {
    const key = String(dayId)
    if (assignments[key]) {
      tripActions.setAssignments({
        ...assignments,
        [key]: assignments[key].map(a => (a.id === assignmentId ? { ...a, incoming_leg_transport_mode: mode } : a)),
      })
    }
    assignmentsApi.updateTransport(tripId, assignmentId, mode, 'incoming').catch((err: unknown) => {
      toast.error(err instanceof Error ? err.message : t('common.unknownError'))
      tripActions.refreshDays(tripId)
    })
  }

  const openIncomingLegModeMenu = (e: React.MouseEvent, assignmentId: number, dayId: number, seg?: RouteSegment) => {
    ctxMenu.open(e, [
      ...routeProfileOptions.map(o => ({ label: o.label, icon: modeIcon(o.key), onClick: () => setIncomingLegMode(assignmentId, dayId, o.key) })),
      ...transitLegMenuItem(dayId, seg),
      { divider: true },
      { label: t('dayplan.transportMode.useDefault'), icon: RotateCcw, onClick: () => setIncomingLegMode(assignmentId, dayId, null) },
    ])
  }

  // Enter/Space on a route connector opens the same mode menu a click opens. A key
  // event carries no pointer position, so the menu is anchored to the connector.
  const openLegMenuByKey = (e: React.KeyboardEvent<HTMLDivElement>, open: (m: React.MouseEvent) => void) => {
    if (e.key !== 'Enter' && e.key !== ' ') return
    const rect = e.currentTarget.getBoundingClientRect()
    open({
      clientX: rect.left,
      clientY: rect.bottom,
      preventDefault: () => e.preventDefault(),
      stopPropagation: () => e.stopPropagation(),
    } as unknown as React.MouseEvent)
  }

  return (
    <div ref={setPanel} data-touch-drag={dragDisabled ? undefined : ''} style={{ display: 'flex', flexDirection: 'column', height: '100%', position: 'relative', fontFamily: "var(--font-system)" }}>
      {/* Toolbar */}
      <DayPlanSidebarToolbar
        tripId={tripId}
        trip={trip}
        days={days}
        places={places}
        categories={categories}
        assignments={assignments}
        reservations={reservations}
        allConnectionsShown={allConnectionsShown}
        onToggleAllConnections={onToggleAllConnections}
        dayNotes={dayNotes}
        t={t}
        locale={locale}
        toast={toast}
        expandedDays={expandedDays}
        setExpandedDays={setExpandedDays}
        onUndo={onUndo}
        canUndo={canUndo}
        undoHover={undoHover}
        setUndoHover={setUndoHover}
        lastActionLabel={lastActionLabel}
        canEditDays={canEditDays}
        canManageShare={canManageShare}
        onReorderDays={onReorderDays}
        onAddDay={onAddDay}
      />

      {/* Tagesliste */}
      <div className={`scroll-container${draggingId ? '' : ' trek-stagger'}`} style={{ flex: 1, overflowY: 'auto', minHeight: 0 }} ref={scrollContainerRef} onScroll={(e) => onScrollTopChange?.((e.currentTarget as HTMLElement).scrollTop)}>
        {days.map((day, index) => {
          const isSelected = selectedDayId === day.id
          // Shared by the click and the key handler so the two can never drift
          // apart — pressing Enter on the row has to toggle, not just select.
          // Named for the selection, not the expand/collapse `toggleDay` above.
          const toggleDaySelection = () => {
            if (isSelected) { onSelectDay(null); if (onDayDetail) onDayDetail(null) }
            else { onSelectDay(day.id); if (onDayDetail) onDayDetail(day) }
          }
          const isExpanded = expandedDays.has(day.id)
          const da = getDayAssignments(day.id)
          const cost = dayTotalCost(day.id, assignments, costBase, currency, locale, fxRates)
          const formattedDate = formatDate(day.date, locale)
          const loc = da.find(a => a.place?.lat && a.place?.lng)
          // Route tools normally need 2+ stops, but a single located place is still
          // routable when accommodation optimization can bookend it with a hotel
          // (hotel → place → hotel, the same line the map draws) — otherwise the tools
          // vanish on such a day (#1330). Purely additive to the 2+ case.
          // The weather anchor below must not depend on the optimize-from-accommodation
          // setting — where you wake up is a fact about the day, not a routing choice —
          // so the bookend lookup runs unconditionally (mirrors useMPlanTimeline) while
          // the route tools keep honoring the setting via routeBookends.
          const dayBookends = getDayBookendHotels(day, days, accommodations)
          const routeBookends = optimizeFromAccommodation !== false ? dayBookends : null
          const hasRouteBookend = !!(
            (routeBookends?.morning?.place_lat != null && routeBookends?.morning?.place_lng != null) ||
            (routeBookends?.evening?.place_lat != null && routeBookends?.evening?.place_lng != null)
          )
          // Transfer day with no stops at all: you check out of one hotel and into another, so
          // the map already draws a hotel → hotel leg (see the transfer branch in
          // useRouteCalculation) even with zero places. Mirror that exact gate here — two
          // distinct bookend hotels you actually slept in / sleep in tonight — so the route
          // tools appear when you click the day (#1297). A same-hotel rest day or a plain
          // arrival/departure day has morning === evening and stays excluded.
          const transferMorning = routeBookends?.morning
          const transferEvening = routeBookends?.evening
          const hasHotelTransfer = !!(
            routeBookends?.morningIsSleptHere && routeBookends?.eveningIsOvernight &&
            transferMorning?.place_lat != null && transferMorning?.place_lng != null &&
            transferEvening?.place_lat != null && transferEvening?.place_lng != null &&
            (transferMorning.place_lat !== transferEvening.place_lat || transferMorning.place_lng !== transferEvening.place_lng)
          )
          const routeToolsRoutable = da.length >= 2 || (loc != null && hasRouteBookend) || hasHotelTransfer
          /**
           * The day's located stops in planned order, bookended by the accommodation
           * the same way the drawn map route is (routeBookends is null when "optimize
           * from accommodation" is off), so hotels aren't dropped from an exported
           * route (#1372) — but only when the leg is real: no hotel prepended before an
           * early check-in-day stop, none appended after a post-check-out stop (#1465).
           * Names ride along for the deep links that can label a pin with one.
           */
          const dayExportStops = (): NamedWaypoint[] => {
            const dayStops = getDayAssignments(day.id).filter(a => a.place?.lat != null && a.place?.lng != null)
            const stops = dayStops.map(a => ({ lat: a.place!.lat!, lng: a.place!.lng!, name: a.place!.name }))
            const first = dayStops[0] ? { isPlace: true, time: dayStops[0].place?.place_time ?? null, lat: dayStops[0].place!.lat!, lng: dayStops[0].place!.lng! } : undefined
            const lastAssignment = dayStops[dayStops.length - 1]
            const last = lastAssignment ? { isPlace: true, time: lastAssignment.place?.place_time ?? null, lat: lastAssignment.place!.lat!, lng: lastAssignment.place!.lng! } : undefined
            // Same carrier gate as the drawn route (#2157): the exported link must not
            // start at a hotel you only reach tonight or lead back to one you left.
            const dayHasCarrier = (mergedItemsMap[day.id] || []).some(i => i.type === 'transport' && hasCarrierEndpointOnDay(i.data, day.id))
            const drawMorning = !!routeBookends && shouldDrawMorningLeg(routeBookends, day, first, dayHasCarrier)
            const drawEvening = !!routeBookends && shouldDrawEveningLeg(routeBookends, day, last, dayHasCarrier)
            const morning = drawMorning && routeBookends?.morning?.place_lat != null && routeBookends?.morning?.place_lng != null
              ? { lat: routeBookends.morning.place_lat, lng: routeBookends.morning.place_lng, name: routeBookends.morning.place_name } : null
            const evening = drawEvening && routeBookends?.evening?.place_lat != null && routeBookends?.evening?.place_lng != null
              ? { lat: routeBookends.evening.place_lat, lng: routeBookends.evening.place_lng, name: routeBookends.evening.place_name } : null
            return [...(morning ? [morning] : []), ...stops, ...(evening ? [evening] : [])]
          }
          // Is this day's inline route currently on? Mobile toggles it per day (its
          // own expandedRouteDayIds entry); desktop uses the global Route toggle on
          // the selected day (#1374).
          const routeActive = showRouteToolsWhenExpanded ? expandedRouteDayIds.has(day.id) : (routeShown && isSelected)
          const isDragTarget = dragOverDayId === day.id
          const merged = mergedItemsMap[day.id] || []
          const dayNoteUi = noteUi[day.id]
          const placeItems = merged.filter(i => i.type === 'place')
          // A row hidden on a middle day still sits in `merged` (the route builder above
          // has to see it), so the empty-day hint counts what actually renders. Without
          // that, a day whose only entry is a spanning parking would show a blank gap.
          const visibleCount = merged.filter(i => !(i.type === 'transport' && hidesOnMiddleDay(i.data, day.id))).length
          const dayTint = dayTints[day.id]
          // Resolved once per day: the header owns a background that its hover
          // handlers reassign imperatively, so both the base and the hover value have
          // to be tint-aware or the first hover-out would wipe the colour.
          const headerTintBg = dayTintBackground(dayTint, 'header', '--day-tint-header') ?? 'transparent'
          const headerTintHoverBg = dayTintBackground(dayTint, 'header', '--day-tint-header-hover') ?? 'var(--bg-tertiary)'

          return (
            // The card wrapper stays untinted — its three regions (badge, header,
            // activity list) paint themselves, so a plugin controls them separately.
            <div key={day.id} ref={el => { if (el) dayRefs.current.set(day.id, el); else dayRefs.current.delete(day.id) }}
              title={dayTint?.label || undefined} style={{ borderBottom: '1px solid var(--border-faint)' }}>
              {/* Tages-Header — akzeptiert Drops aus der PlacesSidebar */}
              <div
                className="dp-day-header"
                data-selected={isSelected}
                // Clicking the selected day again deselects it — same as the day panel's × (#2024).
                // Selecting the day has no other trigger, so the row carries the
                // button role itself. The badges inside it are buttons of their
                // own, hence the key handler only answers for the row — and it
                // toggles exactly like the click, rather than only selecting.
                role="button"
                // No press-scale on the wide row — it would shift the nested
                // buttons out from under the pointer mid-click (#2158).
                data-no-press
                tabIndex={0}
                onClick={() => toggleDaySelection()}
                onKeyDown={e => {
                  if (e.target !== e.currentTarget) return
                  if (e.key !== 'Enter' && e.key !== ' ') return
                  e.preventDefault()
                  toggleDaySelection()
                }}
                onDragOver={e => { e.preventDefault(); if (dragOverDayId !== day.id) setDragOverDayId(day.id) }}
                onDragLeave={e => { if (!e.currentTarget.contains(e.relatedTarget as Node | null)) setDragOverDayId(null) }}
                onDrop={e => handleDropOnDay(e, day.id)}
                style={{
                  display: 'flex', alignItems: 'center', gap: 10,
                  padding: '11px 14px 11px 16px',
                  cursor: 'pointer',
                  background: isDragTarget ? 'rgba(17,24,39,0.07)' : (isSelected ? 'var(--bg-selected)' : headerTintBg),
                  transition: 'background 0.12s',
                  userSelect: 'none',
                  outline: isDragTarget ? '2px dashed rgba(17,24,39,0.25)' : 'none',
                  outlineOffset: -2,
                  borderRadius: isDragTarget ? 8 : 0,
                  touchAction: 'manipulation',
                }}
                // A tinted header hovers to a deeper mix of its own tone rather than to
                // the neutral --bg-tertiary, so hovering reads as a state change on
                // this day instead of momentarily losing its colour. Selection keeps
                // winning outright, so a selected day is never ambiguous.
                onMouseEnter={e => { if (!isSelected && !isDragTarget) e.currentTarget.style.background = headerTintHoverBg }}
                onMouseLeave={e => { if (!isSelected) e.currentTarget.style.background = isDragTarget ? 'rgba(17,24,39,0.07)' : headerTintBg }}
              >
                {/* Tages-Badge: Nummer oben, darunter (falls vorhanden) das Wetter des Tages */}
                {(() => {
                  // Day-local anchor only (#2167): the day's first located stop, else the
                  // hotel you wake up in. No trip-wide fallback — on a roadtrip that
                  // silently showed another city's weather with nothing naming the place.
                  const weatherHotel = loc == null ? dayBookends.morning : undefined
                  const wLat = loc?.place?.lat ?? weatherHotel?.place_lat
                  const wLng = loc?.place?.lng ?? weatherHotel?.place_lng
                  const weatherName = loc?.place?.name ?? weatherHotel?.place_name ?? null
                  const hasWeather = !!(day.date && wLat != null && wLng != null)
                  return (
                    <div style={{
                      // With weather the badge is a tall stack and has to start at
                      // the top of the row; without it, it is a lone 26px circle and
                      // pinning it to the top leaves it floating above the day title.
                      flexShrink: 0, alignSelf: hasWeather ? 'flex-start' : 'center',
                      width: hasWeather ? 34 : 26,
                      borderRadius: hasWeather ? 11 : '50%',
                      // Selection still wins. A tinted badge mixes the tone INTO
                      // --bg-hover so it stays the same pill component, and takes
                      // --text-secondary: the number is 11px bold, so 4.5:1 applies
                      // and --text-muted is already borderline on the untinted pill.
                      background: isSelected ? 'var(--accent)' : (dayTintBackground(dayTint, 'badge', '--day-tint-badge', 'var(--bg-hover)') ?? 'var(--bg-hover)'),
                      color: isSelected ? 'var(--accent-text)' : (dayTinted(dayTint, 'badge') ? 'var(--text-secondary)' : 'var(--text-muted)'),
                      display: 'flex', flexDirection: 'column', alignItems: 'center', overflow: 'hidden',
                    }}>
                      {/* lineHeight 1, or the digit rides the line box's leading and
                          sits above centre on the plain badge — visible as soon as
                          there is no weather block under it to distract from it. */}
                      <div style={{ width: '100%', height: 26, display: 'flex', alignItems: 'center', justifyContent: 'center', fontSize: 'calc(11px * var(--fs-scale-caption, 1))', fontWeight: 700, lineHeight: 1 }}>
                        {index + 1}
                      </div>
                      {hasWeather && (
                        <>
                          <div style={{ width: '64%', height: 1, background: 'currentColor', opacity: 0.25 }} />
                          <div style={{ padding: '3px 0 4px' }}>
                            <WeatherWidget lat={wLat ?? null} lng={wLng ?? null} date={day.date} stacked locationName={weatherName} />
                          </div>
                        </>
                      )}
                    </div>
                  )
                })()}

                <div style={{ flex: 1, minWidth: 0 }}>
                  <div style={{ display: 'flex', alignItems: 'center', gap: 7, minWidth: 0 }}>
                    <span style={{ fontSize: 'calc(14px * var(--fs-scale-body, 1))', fontWeight: 600, color: 'var(--text-primary)', overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap', flexShrink: 1, minWidth: 0 }}>
                      {day.title || t('dayplan.dayN', { n: index + 1 })}
                    </span>
                    {formattedDate && (
                      <>
                        <span style={{ flexShrink: 0, width: 1, height: 11, background: 'var(--border-primary)' }} />
                        <span style={{ flexShrink: 0, fontSize: 'calc(11px * var(--fs-scale-caption, 1))', fontWeight: 400, color: 'var(--text-faint)', whiteSpace: 'nowrap' }}>
                          {formattedDate}
                        </span>
                      </>
                    )}
                  </div>
                  {(() => {
                    const hasAccs = accommodations.some(a => isDayInAccommodationRange(day, a.start_day_id, a.end_day_id, days))
                    const hasRentals = getActiveRentalsForDay(day.id).length > 0
                    if (!hasAccs && !hasRentals) return null
                    return <div style={{ height: 1, background: 'var(--border-faint)', margin: '5px 0 5px' }} />
                  })()}
                  <div style={{ display: 'flex', alignItems: 'center', gap: 5, flexWrap: 'nowrap', minWidth: 0 }}>
                    {(() => {
                      const dayAccs = accommodations.filter(a => isDayInAccommodationRange(day, a.start_day_id, a.end_day_id, days))
                        // Sort: check-out first, then ongoing stays, then check-in last
                        .sort((a, b) => {
                          const aIsOut = a.end_day_id === day.id && a.start_day_id !== day.id
                          const bIsOut = b.end_day_id === day.id && b.start_day_id !== day.id
                          const aIsIn = a.start_day_id === day.id
                          const bIsIn = b.start_day_id === day.id
                          if (aIsOut && !bIsOut) return -1
                          if (!aIsOut && bIsOut) return 1
                          if (aIsIn && !bIsIn) return 1
                          if (!aIsIn && bIsIn) return -1
                          return 0
                        })
                      if (dayAccs.length === 0) return null
                      return dayAccs.map(acc => {
                        const isCheckIn = acc.start_day_id === day.id
                        const isCheckOut = acc.end_day_id === day.id
                        const iconColor = isCheckOut && !isCheckIn ? '#ef4444' : isCheckIn ? '#22c55e' : 'var(--text-faint)'
                        return (
                          <button type="button" key={acc.id} onClick={e => { e.stopPropagation(); if ((acc as any).place_id) onPlaceClick((acc as any).place_id) }} className="bg-surface-hover" style={{ display: 'inline-flex', alignItems: 'center', gap: 4, flexShrink: 1, minWidth: 0, cursor: (acc as any).place_id ? 'pointer' : 'default', borderRadius: 7, padding: '2px 7px 2px 6px', border: 'none', font: 'inherit', textAlign: 'left' }}>
                            <Hotel size={11} strokeWidth={1.8} style={{ color: iconColor, flexShrink: 0 }} />
                            <span className="text-content-muted" style={{ fontSize: 'calc(10.5px * var(--fs-scale-caption, 1))', fontWeight: 400, overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>{(acc as any).place_name || (acc as any).reservation_title}</span>
                          </button>
                        )
                      })
                    })()}
                    {/* Active rental car badges */}
                    {(() => {
                      const activeRentals = getActiveRentalsForDay(day.id)
                      if (activeRentals.length === 0) return null
                      return activeRentals.map(r => (
                        <button type="button" key={`rental-${r.id}`} onClick={e => { e.stopPropagation(); setTransportDetail(r) }} className="bg-surface-hover" style={{ display: 'inline-flex', alignItems: 'center', gap: 4, flexShrink: 1, minWidth: 0, cursor: 'pointer', borderRadius: 7, padding: '2px 7px 2px 6px', border: 'none', font: 'inherit', textAlign: 'left' }}>
                          <Car size={11} strokeWidth={1.8} className="text-content-faint" style={{ flexShrink: 0 }} />
                          <span className="text-content-muted" style={{ fontSize: 'calc(10.5px * var(--fs-scale-caption, 1))', fontWeight: 400, overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>{r.title}</span>
                        </button>
                      ))
                    })()}
                  </div>
                  {cost && (
                    <div style={{ marginTop: 2 }}>
                      <span className="text-[#059669]" style={{ fontSize: 'calc(11px * var(--fs-scale-caption, 1))' }}>{cost}</span>
                    </div>
                  )}
                </div>

                {canEditDays ? (
                  (() => {
                    const cell = { padding: 7, cursor: 'pointer', display: 'grid', placeItems: 'center' } as const
                    const div = '1px solid var(--border-faint)'
                    return (
                      <div className="dp-day-actions" style={{ alignSelf: 'flex-start', flexShrink: 0, display: 'grid', gridTemplateColumns: '1fr 1fr', border: div, borderRadius: 9, overflow: 'hidden' }}>
                        {/* Public transit search (#1065) — replaced the rename pencil,
                            which moved next to the day name in the day detail view. */}
                        {onPlanTransit ? (
                          <Tooltip label={t('transit.title')} placement="top">
                            <button type="button" onClick={e => { e.stopPropagation(); onPlanTransit(day.id) }}  aria-label={t('transit.title')} style={{ ...cell, border: 'none', borderRight: div, borderBottom: div }}>
                              <TramFront size={14} strokeWidth={1.8} />
                            </button>
                          </Tooltip>
                        ) : <div style={{ borderRight: div, borderBottom: div }} />}
                        {onAddTransport ? (
                          <Tooltip label={t('transport.addTransport')} placement="top">
                            <button type="button" onClick={e => { e.stopPropagation(); onAddTransport(day.id) }}  style={{ ...cell, border: 'none', borderBottom: div }} aria-label={t('transport.addTransport')}>
                              <Plus size={14} strokeWidth={1.8} />
                            </button>
                          </Tooltip>
                        ) : <div style={{ borderBottom: div }} />}
                        <button type="button" onClick={e => openAddNote(day.id, e)} aria-label={t('dayplan.addNote')} style={{ ...cell, border: 'none', borderRight: div }}>
                          <FileText size={14} strokeWidth={1.8} />
                        </button>
                        <button type="button" onClick={e => toggleDay(day.id, e)}  style={{ ...cell, border: 'none' }} aria-label={isExpanded ? t('common.collapse') : t('common.expand')}>
                          {isExpanded ? <ChevronDown size={15} strokeWidth={1.8} /> : <ChevronRight size={15} strokeWidth={1.8} />}
                        </button>
                      </div>
                    )
                  })()
                ) : (
                  <button type="button" onClick={e => toggleDay(day.id, e)} className="text-content-faint" style={{ alignSelf: 'flex-start', flexShrink: 0, background: 'none', border: 'none', padding: 6, cursor: 'pointer', display: 'flex', alignItems: 'center' }}>
                    {isExpanded ? <ChevronDown size={16} strokeWidth={1.8} /> : <ChevronRight size={16} strokeWidth={1.8} />}
                  </button>
                )}
              </div>

              {/* Aufgeklappte Orte + Notizen */}
              {isExpanded && (
                <div
                  // The activity list — the largest region and the one behind the
                  // densest text, so its tint is the faintest of the three.
                  style={{ background: dayTintBackground(dayTint, 'activity', '--day-tint-activity', 'var(--bg-hover)') ?? 'var(--bg-hover)', paddingTop: 6 }}
                  onDragOver={e => { e.preventDefault(); const cur = dropTargetRef.current; if (draggingId && (!cur || cur.startsWith('end-'))) setDropTargetKey(`end-${day.id}`) }}
                  onDrop={e => {
                    e.preventDefault()
                    e.stopPropagation()
                    const { placeId, assignmentId, noteId, reservationId: fromReservationId, fromDayId, phase } = getDragData(e)
                    // Drop on transport card (detected via dropTargetRef for sync accuracy)
                    if (dropTargetRef.current?.startsWith('transport-')) {
                      const isAfter = dropTargetRef.current.startsWith('transport-after-')
                      const parts = dropTargetRef.current.replace('transport-after-', '').replace('transport-', '').split('-')
                      const transportId = Number(parts[0])
                      const legPart = parts.find(p => /^leg\d+$/.test(p))
                      const toLegIndex = legPart ? Number(legPart.slice(3)) : null

                      if (placeId) {
                        onAssignToDay?.(Number.parseInt(placeId), day.id)
                      } else if (fromReservationId && fromDayId !== day.id) {
                        const r = reservations.find(x => x.id === Number(fromReservationId))
                        if (r) { const update = computeMultiDayMove(r, day.id, phase); tripActions.updateReservation(tripId, r.id, update).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError'))) }
                      } else if (fromReservationId) {
                        handleMergedDrop(day.id, 'transport', Number(fromReservationId), 'transport', transportId, isAfter, toLegIndex)
                      } else if (assignmentId && fromDayId !== day.id) {
                        tripActions.moveAssignment(tripId, Number(assignmentId), fromDayId, day.id).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError')))
                      } else if (assignmentId) {
                        handleMergedDrop(day.id, 'place', Number(assignmentId), 'transport', transportId, isAfter, toLegIndex)
                      } else if (noteId && fromDayId !== day.id) {
                        tripActions.moveDayNote(tripId, fromDayId, day.id, Number(noteId)).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError')))
                      } else if (noteId) {
                        handleMergedDrop(day.id, 'note', Number(noteId), 'transport', transportId, isAfter, toLegIndex)
                      }
                      setDraggingId(null); setDropTargetKey(null); dragDataRef.current = null; window.__dragData = null
                      return
                    }

                    if (fromReservationId && fromDayId !== day.id) {
                      const r = reservations.find(x => x.id === Number(fromReservationId))
                      if (r) { const update = computeMultiDayMove(r, day.id, phase); tripActions.updateReservation(tripId, r.id, update).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError'))) }
                      setDraggingId(null); setDropTargetKey(null); dragDataRef.current = null; return
                    }
                    if (!assignmentId && !noteId && !placeId) { dragDataRef.current = null; window.__dragData = null; return }
                    if (placeId) {
                      onAssignToDay?.(Number.parseInt(placeId), day.id)
                      setDropTargetKey(null); window.__dragData = null; return
                    }
                    if (assignmentId && fromDayId !== day.id) {
                      tripActions.moveAssignment(tripId, Number(assignmentId), fromDayId, day.id).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError')))
                      setDraggingId(null); setDropTargetKey(null); dragDataRef.current = null; return
                    }
                    if (noteId && fromDayId !== day.id) {
                      tripActions.moveDayNote(tripId, fromDayId, day.id, Number(noteId)).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError')))
                      setDraggingId(null); setDropTargetKey(null); dragDataRef.current = null; return
                    }
                    const m = getMergedItems(day.id)
                    if (m.length === 0) return
                    const lastItem = m[m.length - 1]
                    if (assignmentId && String(lastItem?.data?.id) !== assignmentId)
                      handleMergedDrop(day.id, 'place', Number(assignmentId), lastItem.type, lastItem.data.id, true)
                    else if (noteId && String(lastItem?.data?.id) !== noteId)
                      handleMergedDrop(day.id, 'note', Number(noteId), lastItem.type, lastItem.data.id, true)
                  }}
                >
                  {hotelLegs[day.id]?.top && (() => {
                    const targetId = hotelLegs[day.id]?.top?.targetId
                    const connector = <HotelRouteConnector seg={hotelLegs[day.id]!.top!.seg} name={hotelLegs[day.id]!.top!.name} profile={routeProfile} placement="top" />
                    return canEditDays && targetId != null ? (
                      <Tooltip label={t('dayplan.transportMode.change')} placement="top">
                        <div role="button" tabIndex={0}  onClick={e => openIncomingLegModeMenu(e, targetId, day.id, hotelLegs[day.id]!.top!.seg)} onKeyDown={e => openLegMenuByKey(e, m => openIncomingLegModeMenu(m, targetId, day.id, hotelLegs[day.id]!.top!.seg))} style={{ cursor: 'pointer' }} aria-label={t('dayplan.transportMode.change')}>
                          {connector}
                        </div>
                      </Tooltip>
                    ) : connector
                  })()}
                  {daySchedule.byPosition[day.id]?.start.map(si => <PluginDayScheduleRow key={`${si.pluginId}:${si.id}`} item={si} />)}
                  {visibleCount === 0 && !dayNoteUi ? (
                    <div
                      onDragOver={e => { e.preventDefault(); if (dragOverDayId !== day.id) setDragOverDayId(day.id) }}
                      onDrop={e => handleDropOnDay(e, day.id)}
                      className={dragOverDayId === day.id ? 'bg-[rgba(17,24,39,0.05)]' : 'bg-transparent'}
                      style={{ padding: '16px', textAlign: 'center', borderRadius: 8,
                        border: dragOverDayId === day.id ? '2px dashed rgba(17,24,39,0.2)' : '2px dashed transparent',
                      }}
                    >
                      {/* An empty day is where somebody wants to add something, so
                          the slot offers to do it instead of only stating the fact.
                          Without the handler (no edit rights) it stays the sentence. */}
                      {onCreatePlaceForDay ? (
                        <button type="button"
                          onClick={e => { e.stopPropagation(); onCreatePlaceForDay(day.id) }}
                          className="text-content-muted"
                          style={{
                            display: 'inline-flex', alignItems: 'center', justifyContent: 'center', gap: 6,
                            width: '100%', padding: '8px 12px', borderRadius: 8,
                            // A solid outline and a whisper of tint rather than the
                            // dashed grey placeholder it replaced: it is the one thing
                            // to do on an empty day, so it should read as an offer
                            // without competing with the day rows around it.
                            background: 'color-mix(in srgb, var(--accent) 4%, transparent)',
                            border: '1px solid var(--border-primary)',
                            fontSize: 'calc(12px * var(--fs-scale-body, 1))', fontWeight: 500,
                            cursor: 'pointer', fontFamily: 'inherit',
                            transition: 'background 0.15s',
                          }}
                          onMouseEnter={e => { e.currentTarget.style.background = 'color-mix(in srgb, var(--accent) 10%, transparent)' }}
                          onMouseLeave={e => { e.currentTarget.style.background = 'color-mix(in srgb, var(--accent) 4%, transparent)' }}
                        >
                          <Plus size={13} strokeWidth={2} /> {t('dayplan.addPlaceHere')}
                        </button>
                      ) : (
                        <span className="text-content-faint" style={{ fontSize: 'calc(12px * var(--fs-scale-body, 1))' }}>{t('dayplan.emptyDay')}</span>
                      )}
                    </div>
                  ) : (
                    merged.map((item, idx) => {
                      const legSuffix = item.data?.__leg ? `-leg${item.data.__leg.index}` : ''
                      const itemKey = item.type === 'transport' ? `transport-${item.data.id}${legSuffix}-${day.id}` : (item.type === 'place' ? `place-${item.data.id}` : `note-${item.data.id}`)
                      const showDropLine = (!!draggingId || !!dropTargetKey) && dropTargetKey === itemKey
                      const showDropLineAfter = item.type === 'transport' && (!!draggingId || !!dropTargetKey) && dropTargetKey === `transport-after-${item.data.id}${legSuffix}-${day.id}`

                      if (item.type === 'place') {
                        const assignment = item.data
                        const place = assignment.place
                        if (!place) return null
                        const cat = categories.find(c => c.id === place.category_id)
                        const isPlaceSelected = selectedAssignmentId ? assignment.id === selectedAssignmentId : place.id === selectedPlaceId
                        const isDraggingThis = draggingId === assignment.id
                        const placeIdx = placeItems.findIndex(i => i.data.id === assignment.id)

                        const arrowMove = (direction: 'up' | 'down') => {
                          const m = getMergedItems(day.id)
                          const myIdx = m.findIndex(i => i.type === 'place' && i.data.id === assignment.id)
                          if (myIdx === -1) return
                          const targetIdx = direction === 'up' ? myIdx - 1 : myIdx + 1
                          if (targetIdx < 0 || targetIdx >= m.length) return

                          // Build new order: swap this item with its neighbor in the merged list
                          const newOrder = [...m]
                          ;[newOrder[myIdx], newOrder[targetIdx]] = [newOrder[targetIdx], newOrder[myIdx]]

                          // Check chronological order of all timed items in the new order
                          const placeTime = place.place_time
                          if (parseTimeToMinutes(placeTime) !== null) {
                            const timedInNewOrder = newOrder
                              .map(i => {
                                if (i.type === 'transport') return parseTimeToMinutes(i.data?.reservation_time)
                                if (i.type === 'place') return parseTimeToMinutes(i.data?.place?.place_time)
                                return null
                              })
                              .filter(t => t !== null)
                            const isChronological = timedInNewOrder.every((t, i) => i === 0 || t >= timedInNewOrder[i - 1])
                            if (!isChronological) {
                              const timeStr = placeTime.includes(':') ? placeTime.substring(0, 5) : placeTime
                              // Describe the swap by its neighbour so the confirm step can
                              // replay it against the merged list — a place-id projection
                              // would drop moves across a booking or note.
                              const neighbour = m[targetIdx]
                              setTimeConfirm({
                                dayId: day.id, fromId: assignment.id, time: timeStr,
                                fromType: 'place', toType: neighbour.type, toId: neighbour.data.id,
                                insertAfter: direction === 'down',
                                toLegIndex: neighbour.data?.__leg?.index ?? null,
                              })
                              return
                            }
                          }
                          applyMergedOrder(day.id, newOrder)
                        }
                        const moveUp = (e) => { e.stopPropagation(); arrowMove('up') }
                        const moveDown = (e) => { e.stopPropagation(); arrowMove('down') }
                        const selectPlace = () => { onPlaceClick(isPlaceSelected ? null : place.id, isPlaceSelected ? null : assignment.id); if (!isPlaceSelected) onSelectDay(day.id, true) }

                        return (
                          <React.Fragment key={`place-${assignment.id}`}>
                          <div
                            className="dp-row"
                            // Picking the place out of the day has no other trigger, so
                            // the row is the control. Its grip, lock and arrows are
                            // buttons in their own right, hence the key handler only
                            // answers for the row itself. No press-scale — see the
                            // day header above (#2158).
                            role="button"
                            data-no-press
                            tabIndex={0}
                            draggable={canEditDays && !dragDisabled}
                            onDragStart={e => {
                              if (!canEditDays || dragDisabled) { e.preventDefault(); return }
                              e.dataTransfer.setData('assignmentId', String(assignment.id))
                              e.dataTransfer.setData('fromDayId', String(day.id))
                              e.dataTransfer.effectAllowed = 'move'
                              dragDataRef.current = { assignmentId: String(assignment.id), fromDayId: String(day.id) }
                              setDraggingId(assignment.id)
                            }}
                            onDragOver={e => { e.preventDefault(); e.stopPropagation(); setDragOverDayId(null); if (dropTargetKey !== `place-${assignment.id}`) setDropTargetKey(`place-${assignment.id}`) }}
                            onDrop={e => {
                              e.preventDefault(); e.stopPropagation()
                              const { placeId, assignmentId: fromAssignmentId, noteId, reservationId: fromReservationId, fromDayId, phase } = getDragData(e)
                              if (placeId) {
                                const pos = placeItems.findIndex(i => i.data.id === assignment.id)
                                onAssignToDay?.(Number.parseInt(placeId), day.id, pos >= 0 ? pos : undefined)
                                setDropTargetKey(null); window.__dragData = null
                              } else if (fromReservationId && fromDayId !== day.id) {
                                const r = reservations.find(x => x.id === Number(fromReservationId))
                                if (r) { const update = computeMultiDayMove(r, day.id, phase); tripActions.updateReservation(tripId, r.id, update).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError'))) }
                                setDraggingId(null); setDropTargetKey(null); dragDataRef.current = null
                              } else if (fromReservationId) {
                                handleMergedDrop(day.id, 'transport', Number(fromReservationId), 'place', assignment.id)
                              } else if (fromAssignmentId && fromDayId !== day.id) {
                                const toIdx = getDayAssignments(day.id).findIndex(a => a.id === assignment.id)
                                tripActions.moveAssignment(tripId, Number(fromAssignmentId), fromDayId, day.id, toIdx).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError')))
                                setDraggingId(null); setDropTargetKey(null); dragDataRef.current = null
                              } else if (fromAssignmentId) {
                                handleMergedDrop(day.id, 'place', Number(fromAssignmentId), 'place', assignment.id)
                              } else if (noteId && fromDayId !== day.id) {
                                const tm = getMergedItems(day.id)
                                const toIdx = tm.findIndex(i => i.type === 'place' && i.data.id === assignment.id)
                                const so = toIdx <= 0 ? (tm[0]?.sortKey ?? 0) - 1 : (tm[toIdx - 1].sortKey + tm[toIdx].sortKey) / 2
                                tripActions.moveDayNote(tripId, fromDayId, day.id, Number(noteId), so).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError')))
                                setDraggingId(null); setDropTargetKey(null); dragDataRef.current = null
                              } else if (noteId) {
                                handleMergedDrop(day.id, 'note', Number(noteId), 'place', assignment.id)
                              }
                            }}
                            ref={el => {
                              // Auto-scroll the selected row into view — but only on
                              // the transition "just became selected". Once we've
                              // scrolled for this assignment id, we won't scroll
                              // again until selection actually moves somewhere else.
                              if (el && isPlaceSelected && selectionScrollKey != null && lastAutoScrolledIdRef.current !== selectionScrollKey) {
                                const rect = el.getBoundingClientRect()
                                const nearTop = rect.top < 80
                                const nearBottom = rect.bottom > window.innerHeight - 80
                                if (nearTop || nearBottom) {
                                  el.scrollIntoView({ behavior: 'smooth', block: 'center' })
                                }
                                lastAutoScrolledIdRef.current = selectionScrollKey
                              }
                            }}
                            onDragEnd={() => { setDraggingId(null); setDragOverDayId(null); setDropTargetKey(null); dragDataRef.current = null }}
                            onClick={selectPlace}
                            onKeyDown={e => {
                              if (e.target !== e.currentTarget) return
                              if (e.key !== 'Enter' && e.key !== ' ') return
                              e.preventDefault()
                              selectPlace()
                            }}
                            onContextMenu={e => {
                              // Flat entries, one per app: the menu has room to
                              // grow and a submenu would need a component that
                              // does not exist here.
                              const navTargets = getNavigationTargets(place)
                              ctxMenu.open(e, [
                                canEditDays && onEditPlace && { label: t('common.edit'), icon: Pencil, onClick: () => onEditPlace(place, assignment.id) },
                                canEditDays && onRemoveAssignment && { label: t('planner.removeFromDay'), icon: Trash2, onClick: () => onRemoveAssignment(day.id, assignment.id) },
                                safeHttpUrl(place.website) && { label: t('inspector.website'), icon: ExternalLink, onClick: () => window.open(safeHttpUrl(place.website)!, '_blank', 'noopener,noreferrer') },
                                ...navTargets.map(target => ({ label: target.label, icon: Navigation, onClick: () => openNavigationTarget(target) })),
                                collectionsEnabled && { label: t('inspector.saveToCollection'), icon: Bookmark, onClick: () => useSaveToCollectionStore.getState().open(placeToSaveTarget(place)) },
                                { divider: true },
                                canEditDays && onDeletePlace && { label: t('common.delete'), icon: Trash2, danger: true, onClick: () => onDeletePlace(place.id) },
                              ])
                            }}
                            onMouseEnter={e => {
                              if (!isPlaceSelected && !lockedIds.has(assignment.id))
                                e.currentTarget.style.background = 'var(--bg-hover)'
                              const grip = e.currentTarget.querySelector('.dp-grip') as HTMLElement | null
                              if (grip) grip.style.opacity = '1'
                              setHoveredAssignmentId(assignment.id)
                            }}
                            onMouseLeave={e => {
                              if (!isPlaceSelected && !lockedIds.has(assignment.id))
                                e.currentTarget.style.background = 'transparent'
                              const grip = e.currentTarget.querySelector('.dp-grip') as HTMLElement | null
                              if (grip) grip.style.opacity = '0.3'
                              setHoveredAssignmentId(null)
                            }}
                            style={{
                              display: 'flex', alignItems: 'center', gap: 8,
                              padding: '7px 8px 7px 10px',
                              cursor: 'pointer',
                              background: lockedIds.has(assignment.id)
                                ? 'rgba(220,38,38,0.08)'
                                : isPlaceSelected ? 'var(--bg-selected)' : 'transparent',
                              borderLeft: lockedIds.has(assignment.id)
                                ? '3px solid #dc2626'
                                : '3px solid transparent',
                              borderTop: showDropLine ? '2px solid var(--text-primary)' : undefined,
                              transition: 'background 0.15s, border-color 0.15s',
                              opacity: isDraggingThis ? 0.4 : 1,
                            }}
                          >
                            {canEditDays && !dragDisabled && <div className="dp-grip" style={{ flexShrink: 0, color: 'var(--text-faint)', display: 'flex', alignItems: 'center', opacity: 0.3, transition: 'opacity 0.15s', cursor: 'grab' }}>
                              <GripVertical size={13} strokeWidth={1.8} />
                            </div>}
                            <button
                              type="button"
                              aria-label={lockedIds.has(assignment.id) ? t('planner.clickToUnlock') : t('planner.keepPosition')}
                              onClick={e => { e.stopPropagation(); toggleLock(assignment.id) }}
                              onMouseEnter={e => { e.stopPropagation(); setLockHoverId(assignment.id) }}
                              onMouseLeave={() => setLockHoverId(null)}
                              style={{ position: 'relative', flexShrink: 0, cursor: 'pointer', display: 'flex', background: 'none', border: 'none', padding: 0, font: 'inherit' }}
                            >
                              <PlaceAvatar place={place} category={cat} size={28} />
                              {/* Hover/locked overlay */}
                              {(lockHoverId === assignment.id || lockedIds.has(assignment.id)) && (
                                <div style={{
                                  position: 'absolute', inset: 0, borderRadius: '50%',
                                  background: lockedIds.has(assignment.id) ? 'rgba(220,38,38,0.6)' : 'rgba(220,38,38,0.4)',
                                  display: 'flex', alignItems: 'center', justifyContent: 'center',
                                  transition: 'background 0.15s',
                                }}>
                                  <Lock size={14} strokeWidth={2.5} style={{ color: 'white', filter: 'drop-shadow(0 1px 2px rgba(0,0,0,0.3))' }} />
                                </div>
                              )}
                              {/* Custom tooltip */}
                              {lockHoverId === assignment.id && (
                                <div style={{
                                  position: 'absolute', left: '100%', top: '50%', transform: 'translateY(-50%)',
                                  marginLeft: 8, whiteSpace: 'nowrap', pointerEvents: 'none', zIndex: 50,
                                  background: 'var(--bg-card, white)', color: 'var(--text-primary, #111827)',
                                  fontSize: 'calc(11px * var(--fs-scale-caption, 1))', fontWeight: 500, padding: '5px 10px', borderRadius: 8,
                                  boxShadow: '0 4px 12px rgba(0,0,0,0.15)', border: '1px solid var(--border-faint, #e5e7eb)',
                                }}>
                                  {lockedIds.has(assignment.id)
                                    ? t('planner.clickToUnlock')
                                    : t('planner.keepPosition')}
                                </div>
                              )}
                            </button>
                            <div style={{ flex: 1, minWidth: 0 }}>
                              <div style={{ display: 'flex', alignItems: 'center', gap: 4, overflow: 'hidden' }}>
                                {cat && (() => {
                                  const CatIcon = getCategoryIcon(cat.icon)
                                  return <span title={cat.name} style={{ display: 'inline-flex', flexShrink: 0 }}><CatIcon size={10} strokeWidth={2} color={cat.color || 'var(--text-muted)'} /></span>
                                })()}
                                <span style={{ fontSize: 'calc(12.5px * var(--fs-scale-body, 1))', fontWeight: 500, color: 'var(--text-primary)', overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap', lineHeight: 1.2 }}>
                                  {place.name}
                                </span>
                                {place.place_time && (
                                  <span style={{ display: 'inline-flex', alignItems: 'center', gap: 3, flexShrink: 0, fontSize: 'calc(10px * var(--fs-scale-caption, 1))', color: 'var(--text-faint)', fontWeight: 400, marginLeft: 6 }}>
                                    <Clock size={9} strokeWidth={2} />
                                    {formatTime(place.place_time, locale, timeFormat)}{place.end_time ? ` – ${formatTime(place.end_time, locale, timeFormat)}` : ''}
                                  </span>
                                )}
                              </div>
                              {(place.description || place.address || cat?.name) && (
                                <div className="collab-note-md" style={{ marginTop: 2, fontSize: 'calc(10px * var(--fs-scale-caption, 1))', color: 'var(--text-faint)', overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap', lineHeight: 1.2, maxHeight: '1.2em' }}>
                                  <Markdown remarkPlugins={[remarkGfm]}>{place.description || place.address || cat?.name || ''}</Markdown>
                                </div>
                              )}
                              {assignment.notes && (
                                // Day-specific note on this stop (#2163) — one muted
                                // caption line so the timeline shows the note exists
                                // without swallowing the row.
                                <div title={t('places.assignmentNotes')} style={{ marginTop: 2, display: 'flex', alignItems: 'center', gap: 4, fontSize: 'calc(10px * var(--fs-scale-caption, 1))', color: 'var(--text-faint)', overflow: 'hidden' }}>
                                  <StickyNote size={9} strokeWidth={2} style={{ flexShrink: 0 }} />
                                  <span style={{ overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap', lineHeight: 1.2 }}>{assignment.notes}</span>
                                </div>
                              )}
                              {(() => {
                                const linked = getAssignmentReservations(reservations, assignment.id)
                                if (linked.length === 0) return null
                                // A stop can carry more than one booking (a parking pass and the
                                // tickets for the same zoo), and every one of them is kept out of
                                // the timeline, so this row is where they have to appear (#2201).
                                // Stacked, because the chip lines are inline-flex and would
                                // otherwise run together on one.
                                return (
                                  <div style={{ display: 'flex', flexDirection: 'column', alignItems: 'flex-start' }}>
                                    {linked.map(res => {
                                      const confirmed = res.status === 'confirmed'
                                      const hasEndpoints = onToggleConnection && (res.endpoints || []).length >= 2
                                      const active = hasEndpoints ? visibleConnectionIds.includes(res.id) : false
                                      // The status, the time and the flight/train number used to sit in one
                                      // pill strung together on a middle dot, which read as one run-on
                                      // sentence. They are separate chips now: same tint so they still
                                      // belong together, own outline so the eye can take them one at a time.
                                      const RI = RES_ICONS[res.type] || Ticket
                                      const tint = confirmed ? 'bg-[rgba(22,163,74,0.1)] text-[#16a34a]' : 'bg-[rgba(217,119,6,0.1)] text-[#d97706]'
                                      const chip: React.CSSProperties = {
                                        display: 'inline-flex', alignItems: 'center', gap: 3,
                                        padding: '1px 6px', borderRadius: 5,
                                        fontSize: 'calc(9px * var(--fs-scale-caption, 1))', fontWeight: 600,
                                        whiteSpace: 'nowrap',
                                      }
                                      const { time: st } = splitReservationDateTime(res.reservation_time)
                                      const { time: et } = splitReservationDateTime(res.reservation_end_time)
                                      const timeLabel = st || et
                                        ? `${st ? formatTime(st, locale, timeFormat) : ''}${et ? ` – ${formatTime(et, locale, timeFormat)}` : ''}`
                                        : ''
                                      let meta: any = {}
                                      try { meta = typeof res.metadata === 'string' ? JSON.parse(res.metadata || '{}') : (res.metadata || {}) } catch { meta = {} }
                                      const carrierLabel = meta
                                        ? (meta.airline && meta.flight_number ? `${meta.airline} ${meta.flight_number}` : meta.flight_number || meta.train_number || '')
                                        : ''
                                      return (
                                        // No wrapping: the time belongs to the status it qualifies, so the
                                        // chips stay on one line even when the row gets narrow.
                                        <div key={res.id} style={{ marginTop: 3, display: 'inline-flex', alignItems: 'center', gap: 3, flexWrap: 'nowrap' }}>
                                          <div className={tint} style={chip}>
                                            <RI size={8} />
                                            <span className="hidden sm:inline">{confirmed ? t('planner.resConfirmed') : t('planner.resPending')}</span>
                                          </div>
                                          {timeLabel && <span className={tint} style={{ ...chip, fontWeight: 500 }}>{timeLabel}</span>}
                                          {carrierLabel && <span className={tint} style={{ ...chip, fontWeight: 500 }}>{carrierLabel}</span>}
                                          {hasEndpoints && (
                                            <Tooltip label={t(active ? 'map.hideConnections' : 'map.showConnections')} placement="top">
                                              <button aria-label={t(active ? 'map.hideConnections' : 'map.showConnections')}
                                                type="button"
                                                onClick={e => { e.stopPropagation(); onToggleConnection!(res.id) }}
                                                className={active ? 'bg-[#3b82f6] text-[#fff]' : 'bg-transparent text-content-faint'}
                                                style={{
                                                  flexShrink: 0, appearance: 'none',
                                                  width: 20, height: 20, borderRadius: 4,
                                                  display: 'grid', placeItems: 'center', cursor: 'pointer',
                                                  border: 'none',
                                                  transition: 'color 120ms cubic-bezier(0.23,1,0.32,1), background 120ms cubic-bezier(0.23,1,0.32,1)',
                                                }}
                                                onMouseEnter={e => { if (!active) e.currentTarget.style.color = 'var(--text-primary)' }}
                                                onMouseLeave={e => { if (!active) e.currentTarget.style.color = 'var(--text-faint)' }}
                                              >
                                                <RouteIcon size={11} />
                                              </button>
                                            </Tooltip>
                                          )}
                                          {canEditDays && (() => {
                                            const isTransport = TRANSPORT_TYPES.has(res.type)
                                            const handler = isTransport ? onEditTransport : onEditReservation
                                            if (!handler) return null
                                            return (
                                              <Tooltip label={t('common.edit')} placement="top">
                                                <button aria-label={t('common.edit')}
                                                  type="button"
                                                  onClick={e => { e.stopPropagation(); handler(res) }}
                                                  className="bg-transparent text-content-faint"
                                                  style={{
                                                    flexShrink: 0, appearance: 'none',
                                                    width: 20, height: 20, borderRadius: 4,
                                                    display: 'grid', placeItems: 'center', cursor: 'pointer',
                                                    border: 'none',
                                                    transition: 'color 120ms cubic-bezier(0.23,1,0.32,1), background 120ms cubic-bezier(0.23,1,0.32,1)',
                                                  }}
                                                  onMouseEnter={e => { e.currentTarget.style.color = 'var(--text-primary)' }}
                                                  onMouseLeave={e => { e.currentTarget.style.color = 'var(--text-faint)' }}
                                                >
                                                  <Pencil size={11} />
                                                </button>
                                              </Tooltip>
                                            )
                                          })()}
                                        </div>
                                      )
                                    })}
                                  </div>
                                )
                              })()}
                              {assignment.participants?.length > 0 && (
                                <div style={{ marginTop: 3, display: 'flex', alignItems: 'center', gap: -4 }}>
                                  {assignment.participants.slice(0, 5).map((p, pi) => (
                                    <div key={p.user_id} className="bg-surface-tertiary text-content-muted" style={{
                                      width: 16, height: 16, borderRadius: '50%', border: '1.5px solid var(--bg-card)',
                                      display: 'flex', alignItems: 'center', justifyContent: 'center', fontSize: 'calc(7px * var(--fs-scale-caption, 1))', fontWeight: 700,
                                      marginLeft: pi > 0 ? -4 : 0, flexShrink: 0,
                                      overflow: 'hidden',
                                    }}>
                                      {p.avatar ? <img src={avatarSrc(p.avatar)!} alt={p.username ?? ''} style={{ width: '100%', height: '100%', objectFit: 'cover' }} /> : p.username?.[0]?.toUpperCase()}
                                    </div>
                                  ))}
                                  {assignment.participants.length > 5 && (
                                    <span className="text-content-faint" style={{ fontSize: 'calc(8px * var(--fs-scale-caption, 1))', marginLeft: 2 }}>+{assignment.participants.length - 5}</span>
                                  )}
                                </div>
                              )}
                            </div>
                            {canEditDays && <div className="reorder-buttons" style={{ flexShrink: 0, display: 'flex', gap: 1, transition: 'opacity 0.15s' }}>
                              <button type="button" onClick={moveUp} disabled={idx === 0} className={idx === 0 ? 'text-[var(--border-primary)]' : 'text-content-faint'} style={{ background: 'none', border: 'none', padding: '1px 2px', cursor: idx === 0 ? 'default' : 'pointer', display: 'flex', lineHeight: 1 }}>
                                <ChevronUp size={12} strokeWidth={2} />
                              </button>
                              <button type="button" onClick={moveDown} disabled={idx === merged.length - 1} className={idx === merged.length - 1 ? 'text-[var(--border-primary)]' : 'text-content-faint'} style={{ background: 'none', border: 'none', padding: '1px 2px', cursor: idx === merged.length - 1 ? 'default' : 'pointer', display: 'flex', lineHeight: 1 }}>
                                <ChevronDown size={12} strokeWidth={2} />
                              </button>
                            </div>}
                            {canEditDays && onAddBookingToAssignment && hoveredAssignmentId === assignment.id && (
                              <Tooltip label={t('reservations.addBooking')} placement="top">
                                <button type="button" aria-label={t('reservations.addBooking')}
                                  onClick={e => {
                                    e.stopPropagation()
                                    onAddBookingToAssignment(day.id, assignment.id)
                                  }}
                                  style={{
                                    flexShrink: 0,
                                    background: 'none',
                                    border: '1px solid var(--border-primary)',
                                    borderRadius: 5,
                                    padding: '2px 6px',
                                    cursor: 'pointer',
                                    display: 'flex',
                                    alignItems: 'center',
                                    gap: 3,
                                    fontSize: 'calc(10px * var(--fs-scale-caption, 1))',
                                    fontWeight: 500,
                                    color: 'var(--text-muted)',
                                    fontFamily: 'inherit',
                                  }}
                                >
                                  <Plus size={11} strokeWidth={2} />
                                </button>
                              </Tooltip>
                            )}
                          </div>
                          {daySchedule.byAssignment[day.id]?.[assignment.id]?.map(si => <PluginDayScheduleRow key={`${si.pluginId}:${si.id}`} item={si} />)}
                          {routeLegs[day.id]?.[assignment.id] && (canEditDays ? (
                            <Tooltip label={t('dayplan.transportMode.change')} placement="top">
                              <div role="button" tabIndex={0}  onClick={e => openLegModeMenu(e, assignment.id, day.id, routeLegs[day.id]![assignment.id])} onKeyDown={e => openLegMenuByKey(e, m => openLegModeMenu(m, assignment.id, day.id, routeLegs[day.id]![assignment.id]))} style={{ cursor: 'pointer' }} aria-label={t('dayplan.transportMode.change')}>
                                <RouteConnector seg={routeLegs[day.id]![assignment.id]} profile={routeProfile} />
                              </div>
                            </Tooltip>
                          ) : (
                            <RouteConnector seg={routeLegs[day.id]![assignment.id]} profile={routeProfile} />
                          ))}
                          </React.Fragment>
                        )
                      }

                      // Transport booking (flight, train, bus, car, cruise)
                      if (item.type === 'transport') {
                        const res = item.data
                        const spanPhase = getSpanPhase(res, day.id)

                        // Car "active" (middle) days are shown in the day header, skip here
                        if (res.type === 'car' && spanPhase === 'middle') return null
                        // A multi-day parking says nothing on the days in between and gets
                        // no header badge either, only drop-off and pickup (#1937)
                        if (hidesOnMiddleDay(res, day.id)) return null

                        const TransportIcon = RES_ICONS[res.type] || Ticket
                        const color = '#3b82f6'
                        let meta: any = {}
                        try { meta = typeof res.metadata === 'string' ? JSON.parse(res.metadata || '{}') : (res.metadata || {}) } catch { meta = {} }

                        // Subtitle aus Metadaten zusammensetzen
                        let subtitle = ''
                        if (res.__leg) {
                          // One leg of a multi-leg flight/train — show this segment's own detail.
                          const parts = res.type === 'train'
                            ? [res.__leg.train_number, res.__leg.platform ? `Gl. ${res.__leg.platform}` : '', res.__leg.seat ? `Sitz ${res.__leg.seat}` : ''].filter(Boolean)
                            : [res.__leg.airline, res.__leg.flight_number].filter(Boolean)
                          if (res.__leg.from || res.__leg.to)
                            parts.push([res.__leg.from, res.__leg.to].filter(Boolean).join(' → '))
                          subtitle = parts.join(' · ')
                        } else if (res.type === 'flight') {
                          const parts = [meta.airline, meta.flight_number].filter(Boolean)
                          if (meta.departure_airport || meta.arrival_airport)
                            parts.push([meta.departure_airport, meta.arrival_airport].filter(Boolean).join(' → '))
                          subtitle = parts.join(' · ')
                        } else if (res.type === 'train') {
                          subtitle = [meta.train_number, meta.platform ? `Gl. ${meta.platform}` : '', meta.seat ? `Sitz ${meta.seat}` : ''].filter(Boolean).join(' · ')
                        }

                        // A transit journey (#1065) renders its itinerary inline —
                        // line badges in their colors instead of a plain subtitle,
                        // so the connection is recognisable at a glance.
                        const transitMeta = res.type === 'transit' && meta.transit && Array.isArray(meta.transit.legs) ? meta.transit : null

                        // Multi-day span phase (single-leg / non-flight only — a
                        // multi-leg flight is shown as one row per leg, see below).
                        const spanLabel = res.__leg ? null : getSpanLabel(res, spanPhase)
                        const displayTime = getDisplayTimeForDay(res, day.id)
                        const legKey = res.__leg ? `leg${res.__leg.index}` : 'x'

                        const openTransportRow = () => {
                          const target = reservations.find(x => x.id === res.id) ?? res
                          // A transit journey opens its own journey view — the rich
                          // stop-by-stop breakdown with its booking fields, never the
                          // generic edit form (#1065).
                          if (transitMeta) {
                            if (onOpenTransit) onOpenTransit(target)
                            else setTransportDetail(target)
                            return
                          }
                          if (!canEditDays) return
                          if (TRANSPORT_TYPES.has(res.type)) onEditTransport?.(target)
                          else onEditReservation?.(target)
                        }

                        return (
                          <React.Fragment key={`transport-${res.id}-${legKey}-${day.id}`}>
                          <div
                            // Opening the booking has no other trigger, so the row is
                            // the control; the buttons inside it answer for themselves.
                            // No press-scale — see the day header above (#2158).
                            role="button"
                            data-no-press
                            tabIndex={0}
                            onClick={openTransportRow}
                            onKeyDown={e => {
                              if (e.target !== e.currentTarget) return
                              if (e.key !== 'Enter' && e.key !== ' ') return
                              e.preventDefault()
                              openTransportRow()
                            }}
                            onDragOver={e => {
                              e.preventDefault(); e.stopPropagation()
                              const rect = e.currentTarget.getBoundingClientRect()
                              const inBottom = e.clientY > rect.top + rect.height / 2
                              const ls = res.__leg ? `-leg${res.__leg.index}` : ''
                              const key = inBottom ? `transport-after-${res.id}${ls}-${day.id}` : `transport-${res.id}${ls}-${day.id}`
                              if (dropTargetRef.current !== key) setDropTargetKey(key)
                            }}
                            draggable={canEditDays && spanPhase !== 'middle' && !res.__leg && !dragDisabled}
                            onDragStart={e => {
                              if (!canEditDays || spanPhase === 'middle' || res.__leg || dragDisabled) { e.preventDefault(); return }
                              // setData is required for the drag to start reliably (Firefox) and
                              // matches how place/note items initiate their drag.
                              e.dataTransfer.setData('reservationId', String(res.id))
                              e.dataTransfer.setData('fromDayId', String(day.id))
                              e.dataTransfer.effectAllowed = 'move'
                              dragDataRef.current = { reservationId: String(res.id), fromDayId: String(day.id), phase: spanPhase }
                              setDraggingId(res.id)
                            }}
                            onDragEnd={() => { setDraggingId(null); setDragOverDayId(null); setDropTargetKey(null); dragDataRef.current = null }}
                            onDrop={e => {
                              e.preventDefault(); e.stopPropagation()
                              const rect = e.currentTarget.getBoundingClientRect()
                              const insertAfter = e.clientY > rect.top + rect.height / 2
                              const { placeId, assignmentId: fromAssignmentId, noteId, reservationId: fromReservationId, fromDayId, phase } = getDragData(e)
                              if (placeId) {
                                onAssignToDay?.(Number.parseInt(placeId), day.id)
                              } else if (fromReservationId && fromDayId !== day.id) {
                                const r2 = reservations.find(x => x.id === Number(fromReservationId))
                                if (r2) { const update = computeMultiDayMove(r2, day.id, phase); tripActions.updateReservation(tripId, r2.id, update).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError'))) }
                              } else if (fromReservationId) {
                                handleMergedDrop(day.id, 'transport', Number(fromReservationId), 'transport', res.id, insertAfter, res.__leg?.index ?? null)
                              } else if (fromAssignmentId && fromDayId !== day.id) {
                                tripActions.moveAssignment(tripId, Number(fromAssignmentId), fromDayId, day.id).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError')))
                              } else if (fromAssignmentId) {
                                handleMergedDrop(day.id, 'place', Number(fromAssignmentId), 'transport', res.id, insertAfter, res.__leg?.index ?? null)
                              } else if (noteId && fromDayId !== day.id) {
                                tripActions.moveDayNote(tripId, fromDayId, day.id, Number(noteId)).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError')))
                              } else if (noteId) {
                                handleMergedDrop(day.id, 'note', Number(noteId), 'transport', res.id, insertAfter, res.__leg?.index ?? null)
                              }
                              setDraggingId(null); setDropTargetKey(null); dragDataRef.current = null; window.__dragData = null
                            }}
                            onMouseEnter={e => { e.currentTarget.style.background = `${color}12` }}
                            onMouseLeave={e => { e.currentTarget.style.background = `${color}08` }}
                            style={{
                              display: 'flex', alignItems: 'center', gap: 8,
                              padding: '7px 8px 7px 10px',
                              margin: '1px 8px',
                              borderRadius: 6,
                              border: `1px solid ${color}33`,
                              borderTop: showDropLine ? '2px solid var(--text-primary)' : undefined,
                              borderBottom: showDropLineAfter ? '2px solid var(--text-primary)' : undefined,
                              background: `${color}08`,
                              cursor: (transitMeta || (canEditDays && onEditTransport)) ? 'pointer' : 'default', userSelect: 'none',
                              transition: 'background 0.1s',
                              opacity: draggingId === res.id ? 0.4 : spanPhase === 'middle' ? 0.65 : 1,
                            }}
                          >
                            {canEditDays && spanPhase !== 'middle' && !res.__leg && !dragDisabled && (
                              <div className="dp-grip" style={{ flexShrink: 0, color: 'var(--text-faint)', display: 'flex', alignItems: 'center', opacity: 0.3, transition: 'opacity 0.15s', cursor: 'grab' }}>
                                <GripVertical size={13} strokeWidth={1.8} />
                              </div>
                            )}
                            <div style={{
                              width: 28, height: 28, flexShrink: 0, display: 'flex', alignItems: 'center', justifyContent: 'center',
                              borderRadius: '50%', background: `${color}18`,
                            }}>
                              <TransportIcon size={14} strokeWidth={1.8} color={color} />
                            </div>
                            <div style={{ flex: 1, minWidth: 0 }}>
                              <div style={{ display: 'flex', alignItems: 'center', gap: 4 }}>
                                {spanLabel && (
                                  <span style={{
                                    fontSize: 'calc(9px * var(--fs-scale-caption, 1))', fontWeight: 700, padding: '1px 5px', borderRadius: 4, flexShrink: 0,
                                    background: `${color}20`, color: color, textTransform: 'uppercase', letterSpacing: '0.03em',
                                  }}>
                                    {spanLabel}
                                  </span>
                                )}
                                <span style={{ fontSize: 'calc(12.5px * var(--fs-scale-body, 1))', fontWeight: 500, color: 'var(--text-primary)', overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap', minWidth: 0 }}>
                                  {transitMeta ? <TransitTitle title={res.title} iconSize={11} /> : res.title}
                                </span>
                                {(() => {
                                  const { time: dispTime } = splitReservationDateTime(displayTime)
                                  const { time: endTime } = splitReservationDateTime(res.reservation_end_time)
                                  if (!dispTime && !endTime) return null
                                  return (
                                    <span style={{ display: 'inline-flex', alignItems: 'center', gap: 3, flexShrink: 0, fontSize: 'calc(10px * var(--fs-scale-caption, 1))', color: 'var(--text-faint)', fontWeight: 400, marginLeft: 6 }}>
                                      <Clock size={9} strokeWidth={2} />
                                      {dispTime ? formatTime(dispTime, locale, timeFormat) : ''}
                                      {spanPhase === 'single' && endTime ? ` – ${formatTime(endTime, locale, timeFormat)}` : ''}
                                      {meta.departure_timezone && spanPhase === 'start' && ` ${meta.departure_timezone}`}
                                      {meta.arrival_timezone && spanPhase === 'end' && ` ${meta.arrival_timezone}`}
                                    </span>
                                  )
                                })()}
                              </div>
                              {transitMeta ? (
                                <div style={{ display: 'flex', alignItems: 'center', marginTop: 3 }}>
                                  <TransitLegChips legs={transitMeta.legs} size="sm" t={t} />
                                </div>
                              ) : subtitle && (
                                <div style={{ fontSize: 'calc(10px * var(--fs-scale-caption, 1))', color: 'var(--text-faint)', marginTop: 2, overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>
                                  {subtitle}
                                </div>
                              )}
                            </div>
                            {transitMeta && (() => {
                              const expanded = expandedTransitIds.has(res.id)
                              return (
                                <button
                                  type="button"
                                  onClick={e => {
                                    e.stopPropagation()
                                    setExpandedTransitIds(prev => {
                                      const next = new Set(prev)
                                      if (next.has(res.id)) next.delete(res.id); else next.add(res.id)
                                      return next
                                    })
                                  }}
                                  aria-label={t(expanded ? 'common.collapse' : 'common.expand')}
                                  style={{
                                    flexShrink: 0, appearance: 'none', width: 26, height: 26, borderRadius: 6,
                                    display: 'grid', placeItems: 'center', cursor: 'pointer', border: 'none',
                                    background: 'transparent', color: 'var(--text-faint)',
                                  }}
                                  onMouseEnter={e => { e.currentTarget.style.color = 'var(--text-primary)' }}
                                  onMouseLeave={e => { e.currentTarget.style.color = 'var(--text-faint)' }}
                                >
                                  {expanded ? <ChevronUp size={14} /> : <ChevronDown size={14} />}
                                </button>
                              )
                            })()}
                            {!transitMeta && onToggleConnection && (!res.__leg || res.__leg.index === 0) && (res.endpoints || []).length >= 2 && (() => {
                              const active = visibleConnectionIds.includes(res.id)
                              return (
                                <Tooltip label={t(active ? 'map.hideConnections' : 'map.showConnections')} placement="top">
                                  <button aria-label={t(active ? 'map.hideConnections' : 'map.showConnections')}
                                    type="button"
                                    onClick={e => { e.stopPropagation(); onToggleConnection(res.id) }}
                                    style={{
                                      flexShrink: 0, appearance: 'none',
                                      width: 26, height: 26, borderRadius: 6,
                                      display: 'grid', placeItems: 'center', cursor: 'pointer',
                                      border: 'none',
                                      background: active ? color : 'transparent',
                                      color: active ? '#fff' : 'var(--text-faint)',
                                      transition: 'color 120ms cubic-bezier(0.23,1,0.32,1), background 120ms cubic-bezier(0.23,1,0.32,1)',
                                    }}
                                    onMouseEnter={e => { if (!active) e.currentTarget.style.color = 'var(--text-primary)' }}
                                    onMouseLeave={e => { if (!active) e.currentTarget.style.color = 'var(--text-faint)' }}
                                  >
                                    <RouteIcon size={13} />
                                  </button>
                                </Tooltip>
                              )
                            })()}
                          </div>
                          {transitMeta && expandedTransitIds.has(res.id) && (
                            <div style={{ margin: '2px 8px 4px', padding: '9px 10px 9px 12px', borderRadius: 6, border: `1px solid ${color}26`, background: `${color}05` }}>
                              <TransitItineraryInline legs={transitMeta.legs} t={t} />
                            </div>
                          )}
                          {daySchedule.byReservation[day.id]?.[res.id]?.map(si => <PluginDayScheduleRow key={`${si.pluginId}:${si.id}`} item={si} />)}
                          {routeLegs[day.id]?.[res.id] && (() => {
                            const nextPlaceId = merged.slice(idx + 1).find(i => i.type === 'place' && i.data.place?.lat && i.data.place?.lng)?.data.id
                            const connector = <RouteConnector seg={routeLegs[day.id]![res.id]} profile={routeProfile} />
                            return canEditDays && nextPlaceId != null ? (
                              <Tooltip label={t('dayplan.transportMode.change')} placement="top">
                                <div role="button" tabIndex={0}  onClick={e => openIncomingLegModeMenu(e, Number(nextPlaceId), day.id, routeLegs[day.id]![res.id])} onKeyDown={e => openLegMenuByKey(e, m => openIncomingLegModeMenu(m, Number(nextPlaceId), day.id, routeLegs[day.id]![res.id]))} style={{ cursor: 'pointer' }} aria-label={t('dayplan.transportMode.change')}>
                                  {connector}
                                </div>
                              </Tooltip>
                            ) : connector
                          })()}
                          </React.Fragment>
                        )
                      }

                      // Notizkarte
                      const note = item.data
                      const NoteIcon = getNoteIcon(note.icon)
                      const noteSkin = noteSurface(note.color)
                      const noteIdx = idx
                      return (
                        <React.Fragment key={`note-${note.id}`}>
                        <div
                          className="dp-row"
                          draggable={canEditDays && !dragDisabled}
                          onDragStart={e => { if (!canEditDays || dragDisabled) { e.preventDefault(); return } e.dataTransfer.setData('noteId', String(note.id)); e.dataTransfer.setData('fromDayId', String(day.id)); e.dataTransfer.effectAllowed = 'move'; dragDataRef.current = { noteId: String(note.id), fromDayId: String(day.id) }; setDraggingId(`note-${note.id}`) }}
                          onDragEnd={() => { setDraggingId(null); setDropTargetKey(null); dragDataRef.current = null }}
                          onDragOver={e => { e.preventDefault(); e.stopPropagation(); if (dropTargetKey !== `note-${note.id}`) setDropTargetKey(`note-${note.id}`) }}
                          onDrop={e => {
                            e.preventDefault(); e.stopPropagation()
                            const { placeId, noteId: fromNoteId, assignmentId: fromAssignmentId, reservationId: fromReservationId, fromDayId, phase } = getDragData(e)
                            if (placeId) {
                              // New place dropped onto a note: insert it among the
                              // assignments at the note's position (after the places
                              // above it), so it lands right where the note sits.
                              const tm = getMergedItems(day.id)
                              const noteIdx = tm.findIndex(i => i.type === 'note' && i.data.id === note.id)
                              const pos = tm.slice(0, noteIdx).filter(i => i.type === 'place').length
                              onAssignToDay?.(Number.parseInt(placeId), day.id, pos)
                              setDropTargetKey(null); window.__dragData = null
                            } else if (fromReservationId && fromDayId !== day.id) {
                              const r = reservations.find(x => x.id === Number(fromReservationId))
                              if (r) { const update = computeMultiDayMove(r, day.id, phase); tripActions.updateReservation(tripId, r.id, update).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError'))) }
                              setDraggingId(null); setDropTargetKey(null); dragDataRef.current = null
                            } else if (fromReservationId) {
                              handleMergedDrop(day.id, 'transport', Number(fromReservationId), 'note', note.id)
                            } else if (fromNoteId && fromDayId !== day.id) {
                              const tm = getMergedItems(day.id)
                              const toIdx = tm.findIndex(i => i.type === 'note' && i.data.id === note.id)
                              const so = toIdx <= 0 ? (tm[0]?.sortKey ?? 0) - 1 : (tm[toIdx - 1].sortKey + tm[toIdx].sortKey) / 2
                              tripActions.moveDayNote(tripId, fromDayId, day.id, Number(fromNoteId), so).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError')))
                              setDraggingId(null); setDropTargetKey(null)
                            } else if (fromNoteId && fromNoteId !== String(note.id)) {
                              handleMergedDrop(day.id, 'note', Number(fromNoteId), 'note', note.id)
                            } else if (fromAssignmentId && fromDayId !== day.id) {
                              const tm = getMergedItems(day.id)
                              const noteIdx = tm.findIndex(i => i.type === 'note' && i.data.id === note.id)
                              const toIdx = tm.slice(0, noteIdx).filter(i => i.type === 'place').length
                              tripActions.moveAssignment(tripId, Number(fromAssignmentId), fromDayId, day.id, toIdx).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError')))
                              setDraggingId(null); setDropTargetKey(null)
                            } else if (fromAssignmentId) {
                              handleMergedDrop(day.id, 'place', Number(fromAssignmentId), 'note', note.id)
                            }
                          }}
                          onContextMenu={canEditDays ? e => ctxMenu.open(e, [
                            { label: t('common.edit'), icon: Pencil, onClick: () => openEditNote(day.id, note) },
                            { divider: true },
                            { label: t('common.delete'), icon: Trash2, danger: true, onClick: () => setPendingDeleteNote({ dayId: day.id, noteId: note.id }) },
                          ]) : undefined}
                          {...(canEditDays ? {
                            role: 'button' as const,
                            // No press-scale: index.css shrinks every [role=button] on
                            // :active, which on a draggable row fights the drag (#2158).
                            'data-no-press': '',
                            tabIndex: 0,
                            // The row is the note's edit affordance — the same gesture the
                            // phone shell already uses (#2249). Links inside the rendered
                            // body and the reorder buttons keep their own click.
                            onClick: (e: React.MouseEvent) => {
                              if ((e.target as HTMLElement).closest('a, button')) return
                              openEditNote(day.id, note)
                            },
                            onKeyDown: (e: React.KeyboardEvent) => {
                              if (e.target !== e.currentTarget) return
                              if (e.key !== 'Enter' && e.key !== ' ') return
                              e.preventDefault()
                              openEditNote(day.id, note)
                            },
                          } : {})}
                          onMouseEnter={e => {
                            const grip = e.currentTarget.querySelector('.dp-grip') as HTMLElement | null
                            if (grip) grip.style.opacity = '1'
                          }}
                          onMouseLeave={e => {
                            const grip = e.currentTarget.querySelector('.dp-grip') as HTMLElement | null
                            if (grip) grip.style.opacity = '0.3'
                          }}
                          style={{
                            position: 'relative',
                            display: 'flex', alignItems: 'center', gap: 8,
                            padding: '7px 8px 7px 2px',
                            margin: '1px 8px',
                            borderRadius: 6,
                            border: `1px solid ${noteSkin.border}`,
                            borderTop: showDropLine ? '2px solid var(--text-primary)' : undefined,
                            background: noteSkin.background,
                            opacity: draggingId === `note-${note.id}` ? 0.4 : 1,
                            transition: 'background 0.1s', cursor: canEditDays ? 'pointer' : 'default', userSelect: 'none',
                          }}
                        >
                          {canEditDays && !dragDisabled && <div className="dp-grip" style={{ flexShrink: 0, color: 'var(--text-faint)', display: 'flex', alignItems: 'center', opacity: 0.3, transition: 'opacity 0.15s', cursor: 'grab' }}>
                            <GripVertical size={13} strokeWidth={1.8} />
                          </div>}
                          <div style={{ width: 28, height: 28, flexShrink: 0, display: 'flex', alignItems: 'center', justifyContent: 'center', borderRadius: '50%', background: noteSkin.iconBackground, overflow: 'hidden' }}>
                            <NoteIcon size={13} strokeWidth={1.8} color={noteSkin.iconColor} />
                          </div>
                          <div style={{ flex: 1, minWidth: 0 }}>
                            <span style={{ fontSize: 'calc(12.5px * var(--fs-scale-body, 1))', fontWeight: 500, color: 'var(--text-primary)', wordBreak: 'break-word' }}>
                              {note.text}
                            </span>
                            {note.time && (
                              <div className="collab-note-md" style={{ fontSize: 'calc(10.5px * var(--fs-scale-caption, 1))', fontWeight: 400, color: 'var(--text-faint)', lineHeight: '1.4', marginTop: 2, wordBreak: 'break-word' }}>
                                {/* A link in a note goes to its own tab, and remarkBreaks
                                    keeps a single newline a line break — people write notes
                                    as lines, not as Markdown paragraphs. */}
                                <Markdown remarkPlugins={[remarkGfm, remarkBreaks]} components={markdownLinkComponents}>{note.time}</Markdown>
                              </div>
                            )}
                          </div>
                        {canEditDays && <div className="reorder-buttons" style={{ flexShrink: 0, display: 'flex', gap: 1, transition: 'opacity 0.15s' }}>
                          <button type="button" onClick={e => { e.stopPropagation(); moveNote(day.id, note.id, 'up') }} disabled={noteIdx === 0} className={noteIdx === 0 ? 'text-[var(--border-primary)]' : 'text-content-faint'} style={{ background: 'none', border: 'none', padding: '1px 2px', cursor: noteIdx === 0 ? 'default' : 'pointer', display: 'flex', lineHeight: 1 }}><ChevronUp size={12} strokeWidth={2} /></button>
                          <button type="button" onClick={e => { e.stopPropagation(); moveNote(day.id, note.id, 'down') }} disabled={noteIdx === merged.length - 1} className={noteIdx === merged.length - 1 ? 'text-[var(--border-primary)]' : 'text-content-faint'} style={{ background: 'none', border: 'none', padding: '1px 2px', cursor: noteIdx === merged.length - 1 ? 'default' : 'pointer', display: 'flex', lineHeight: 1 }}><ChevronDown size={12} strokeWidth={2} /></button>
                        </div>}
                        </div>
                        </React.Fragment>
                      )
                    })
                  )}
                  {daySchedule.byPosition[day.id]?.end.map(si => <PluginDayScheduleRow key={`${si.pluginId}:${si.id}`} item={si} />)}
                  {hotelLegs[day.id]?.bottom && (() => {
                    const targetId = hotelLegs[day.id]?.bottom?.targetId
                    const connector = <HotelRouteConnector seg={hotelLegs[day.id]!.bottom!.seg} name={hotelLegs[day.id]!.bottom!.name} profile={routeProfile} placement="bottom" />
                    return canEditDays && targetId != null ? (
                      <Tooltip label={t('dayplan.transportMode.change')} placement="top">
                        <div role="button" tabIndex={0}  onClick={e => openLegModeMenu(e, targetId, day.id, hotelLegs[day.id]!.bottom!.seg)} onKeyDown={e => openLegMenuByKey(e, m => openLegModeMenu(m, targetId, day.id, hotelLegs[day.id]!.bottom!.seg))} style={{ cursor: 'pointer' }} aria-label={t('dayplan.transportMode.change')}>
                          {connector}
                        </div>
                      </Tooltip>
                    ) : connector
                  })()}
                  {/* Drop-Zone am Listenende — immer vorhanden als Drop-Target */}
                  <div
                    style={{ minHeight: 12, padding: '2px 8px' }}
                    onDragOver={e => { e.preventDefault(); e.stopPropagation(); if (dropTargetKey !== `end-${day.id}`) setDropTargetKey(`end-${day.id}`) }}
                    onDrop={e => {
                      e.preventDefault(); e.stopPropagation()
                      const { placeId, assignmentId, noteId, reservationId: fromReservationId, fromDayId, phase } = getDragData(e)
                      // Neuer Ort von der Orte-Liste
                      if (placeId) {
                        onAssignToDay?.(Number.parseInt(placeId), day.id)
                        setDropTargetKey(null); window.__dragData = null; return
                      }
                      if (fromReservationId && fromDayId !== day.id) {
                        const r = reservations.find(x => x.id === Number(fromReservationId))
                        if (r) { const update = computeMultiDayMove(r, day.id, phase); tripActions.updateReservation(tripId, r.id, update).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError'))) }
                        setDraggingId(null); setDropTargetKey(null); dragDataRef.current = null; window.__dragData = null; return
                      }
                      if (!assignmentId && !noteId && !fromReservationId) { dragDataRef.current = null; window.__dragData = null; return }
                      if (assignmentId && fromDayId !== day.id) {
                        tripActions.moveAssignment(tripId, Number(assignmentId), fromDayId, day.id).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError')))
                        setDraggingId(null); setDropTargetKey(null); dragDataRef.current = null; return
                      }
                      if (noteId && fromDayId !== day.id) {
                        tripActions.moveDayNote(tripId, fromDayId, day.id, Number(noteId)).catch((err: unknown) => toast.error(err instanceof Error ? err.message : t('common.unknownError')))
                        setDraggingId(null); setDropTargetKey(null); dragDataRef.current = null; return
                      }
                      const m = getMergedItems(day.id)
                      if (m.length === 0) return
                      const lastItem = m[m.length - 1]
                      if (assignmentId && String(lastItem?.data?.id) !== assignmentId)
                        handleMergedDrop(day.id, 'place', Number(assignmentId), lastItem.type, lastItem.data.id, true)
                      else if (noteId && String(lastItem?.data?.id) !== noteId)
                        handleMergedDrop(day.id, 'note', Number(noteId), lastItem.type, lastItem.data.id, true)
                      else if (fromReservationId && String(lastItem?.data?.id) !== fromReservationId)
                        handleMergedDrop(day.id, 'transport', Number(fromReservationId), lastItem.type, lastItem.data.id, true)
                      setDropTargetKey(null); dragDataRef.current = null; window.__dragData = null
                    }}
                  >
                    {dropTargetKey === `end-${day.id}` && (
                      <div style={{ height: 2, background: 'var(--text-primary)', borderRadius: 1 }} />
                    )}
                  </div>

                  {/* Routen-Werkzeuge (ausgewählter Tag, 2+ Orte — oder 1 Ort mit Hotel-Bookend #1330 — oder Hotel-zu-Hotel-Transfertag ohne Orte #1297) */}
                  {(isSelected || (showRouteToolsWhenExpanded && isExpanded)) && routeToolsRoutable && (
                    <div style={{ padding: '10px 16px 12px', borderTop: '1px solid var(--border-faint)', display: 'flex', flexDirection: 'column', gap: 7 }}>
                      <div style={{ display: 'flex', gap: 6, alignItems: 'stretch' }}>
                        <button type="button"
                          onClick={() => {
                            if (showRouteToolsWhenExpanded) {
                              // Mobile: toggle this day's inline leg distances in place.
                              // Selecting the day would close the sheet, so we don't — the
                              // distances between places appear right here instead (#1374).
                              setExpandedRouteDayIds(prev => {
                                const next = new Set(prev)
                                next.has(day.id) ? next.delete(day.id) : next.add(day.id)
                                return next
                              })
                            } else {
                              // Desktop: the tools only render for the selected day, so the
                              // toggle always applies to it.
                              onToggleRoute?.()
                            }
                          }}
                          aria-label={t('dayplan.route')}
                          className={routeActive ? 'bg-accent text-accent-text' : 'bg-transparent text-content-secondary'}
                          style={{
                            flex: 1, display: 'flex', alignItems: 'center', justifyContent: 'center', gap: 5,
                            padding: '6px 0', fontSize: 'calc(11px * var(--fs-scale-caption, 1))', fontWeight: 600, borderRadius: 8,
                            border: routeActive ? 'none' : '1px solid var(--border-faint)',
                            cursor: 'pointer', fontFamily: 'inherit',
                          }}
                        >
                          <RouteIcon size={12} strokeWidth={2} />
                          {!narrowPanel && t('dayplan.route')}
                        </button>
                        {/* Open the day's stops as a route in Google Maps (planned order). #1255 */}
                        <Tooltip label={t('planner.openGoogleMaps')} placement="top">
                          <button type="button"
                            onClick={() => {
                              const url = generateGoogleMapsUrl(dayExportStops())
                              if (url) window.open(url, '_blank', 'noopener,noreferrer')
                            }}
                            aria-label={t('planner.openGoogleMaps')}
                            className="bg-transparent text-content-secondary"
                            style={{
                              display: 'flex', alignItems: 'center', justifyContent: 'center',
                              padding: '6px 10px', borderRadius: 8, border: '1px solid var(--border-faint)',
                              cursor: 'pointer', fontFamily: 'inherit', flexShrink: 0,
                            }}
                          >
                            <GoogleMapsIcon size={14} />
                          </button>
                        </Tooltip>
                        {/* The same day, handed to CoMaps for offline navigation (#1904). The
                            day's own travel mode rides along, so the route it builds walks
                            when the plan walks. */}
                        <Tooltip label={t('planner.openCoMaps')} placement="top">
                          <button type="button"
                            onClick={() => {
                              const url = generateCoMapsUrl(dayExportStops(), day.default_transport_mode ?? routeProfile)
                              if (url) window.open(url, '_blank', 'noopener,noreferrer')
                            }}
                            aria-label={t('planner.openCoMaps')}
                            className="bg-transparent text-content-secondary"
                            style={{
                              display: 'flex', alignItems: 'center', justifyContent: 'center',
                              padding: '6px 10px', borderRadius: 8, border: '1px solid var(--border-faint)',
                              cursor: 'pointer', fontFamily: 'inherit', flexShrink: 0,
                            }}
                          >
                            <Compass size={14} strokeWidth={2} />
                          </button>
                        </Tooltip>
                        {/* Icon-only, like the two map hand-offs beside it (#1981). It
                            was the one button here carrying a label with no room for
                            it: `flex: 1` alongside `padding: '6px 0'` meant the text
                            sat against both edges as soon as the row filled up, and
                            the row gained a button when CoMaps arrived. The label
                            stays as the accessible name and the tooltip. */}
                        <Tooltip label={t('dayplan.optimize')} placement="top">
                          <button type="button"
                            onClick={() => handleOptimize(day.id)}
                            aria-label={t('dayplan.optimize')}
                            className="bg-surface-hover text-content-secondary"
                            style={{
                              display: 'flex', alignItems: 'center', justifyContent: 'center',
                              padding: '6px 10px', borderRadius: 8, border: 'none',
                              cursor: 'pointer', fontFamily: 'inherit', flexShrink: 0,
                            }}
                          >
                            <RotateCcw size={14} strokeWidth={2} />
                          </button>
                        </Tooltip>
                        <div style={{ display: 'flex', borderRadius: 8, overflow: 'hidden', border: '1px solid var(--border-faint)', flexShrink: 0 }}>
                          {routeProfileOptions.map(p => {
                            const ModeIcon = p.key === 'driving' ? Car : p.key === 'walking' ? Footprints : Zap
                            const active = (day.default_transport_mode ?? routeProfile) === p.key
                            return (
                              <Tooltip label={p.label} placement="top">
                                <button type="button"
                                  key={p.key}
                                  onClick={() => setDayDefaultMode(day.id, p.key)}
                                  aria-label={p.label}
                                  className={active ? 'bg-accent text-accent-text' : 'bg-transparent text-content-secondary'}
                                  style={{
                                    display: 'flex', alignItems: 'center', justifyContent: 'center',
                                    padding: '6px 10px', border: 'none', cursor: 'pointer',
                                  }}
                                >
                                  <ModeIcon size={13} strokeWidth={2} />
                                </button>
                              </Tooltip>
                            )
                          })}
                        </div>
                      </div>
                      {/* Time plugins contributed to this day (charging, buffers) — the
                          dayScheduleProvider minutes folded into the footer total. */}
                      {isSelected && daySchedule.minutesByDay[day.id] ? (
                        <div className="text-content-secondary bg-surface-hover" style={{ display: 'flex', justifyContent: 'center', alignItems: 'center', gap: 12, fontSize: 'calc(12px * var(--fs-scale-body, 1))', borderRadius: 8, padding: '5px 10px' }}>
                          <span style={{ display: 'inline-flex', alignItems: 'center', gap: 4 }}>
                            <Zap size={11} strokeWidth={2} />
                            +{formatScheduleMinutes(daySchedule.minutesByDay[day.id])}
                          </span>
                        </div>
                      ) : null}
                    </div>
                  )}

                  {/* Mobile: Add Place from list */}
                  <MobileAddPlaceButton
                    dayId={day.id}
                    places={places}
                    assignments={assignments}
                    onAssign={onAssignToDay}
                    onAddNew={onAddPlace}
                  />
                </div>
              )}
            </div>
          )
        })}
      </div>

      {/* Notiz-Popup-Modal — über Portal gerendert, um den backdropFilter-Stapelkontext zu umgehen */}
      <DayPlanSidebarNoteModal
        noteUi={noteUi}
        setNoteUi={setNoteUi}
        noteInputRef={noteInputRef}
        cancelNote={cancelNote}
        saveNote={saveNote}
        onRequestDelete={(dayId, noteId) => setPendingDeleteNote({ dayId, noteId })}
        t={t}
      />

      {/* Confirm: remove time when reordering a timed place */}
      <DayPlanSidebarTimeConfirmModal
        timeConfirm={timeConfirm}
        setTimeConfirm={setTimeConfirm}
        confirmTimeRemoval={confirmTimeRemoval}
        t={t}
      />

      {/* Confirm: delete a day note — guards against accidental taps on touch devices */}
      <ConfirmDialog
        isOpen={!!pendingDeleteNote}
        onClose={() => setPendingDeleteNote(null)}
        onConfirm={() => {
          if (!pendingDeleteNote) return
          // Close the edit modal behind the confirm; leaving it open would go on
          // editing a note that no longer exists.
          cancelNote(pendingDeleteNote.dayId)
          deleteNote(pendingDeleteNote.dayId, pendingDeleteNote.noteId)
        }}
        title={t('dayplan.confirmDeleteNoteTitle')}
        message={t('dayplan.confirmDeleteNoteBody')}
      />

      {/* Transport-Detail-Modal */}
      <DayPlanSidebarTransportDetailModal
        transportDetail={transportDetail}
        setTransportDetail={setTransportDetail}
        onNavigateToFiles={onNavigateToFiles}
        onEdit={canEditDays && onEditTransport ? (res) => { setTransportDetail(null); onEditTransport(res) } : undefined}
        t={t}
        locale={locale}
        timeFormat={timeFormat}
      />

      {/* Budget-Fußzeile */}
      <DayPlanSidebarFooter totalCostLabel={totalCostLabel} t={t} />
      <ContextMenu menu={ctxMenu.menu} onClose={ctxMenu.close} />
    </div>
  )
})

export default DayPlanSidebar