UPDATE PROCHAINS D2PARTS

src/app/[region]/page.tsx

@@ -82,14 +82,14 @@ export default async function RegionPage({
     console.error('Error fetching info_trafic:', e);
   }
 
-  // 3. Fetch actualites strictly filtered by region_id
+  // 3. Fetch actualites (region-specific or global with region_id null)
   let actualitesList: ActualiteItem[] = [];
   try {
     const { data: actusData } = await supabase
       .from('actualites')
       .select('*')
       .eq('actif', true)
-      .in('region_id', regionCandidates)
+      .or(`region_id.is.null,region_id.in.(${regionCandidates.join(',')})`)
       .is('deleted_at', null)
       .order('date_publication', { ascending: false })
       .order('created_at', { ascending: false });
@@ -100,14 +100,14 @@ export default async function RegionPage({
     console.error('Error fetching actualites:', e);
   }
 
-  // 4. Fetch evenements strictly filtered by region_id
+  // 4. Fetch evenements (region-specific or global with region_id null)
   let evenementsList: EvenementItem[] = [];
   try {
     const { data: eventsData } = await supabase
       .from('evenements')
       .select('*')
       .eq('actif', true)
-      .in('region_id', regionCandidates)
+      .or(`region_id.is.null,region_id.in.(${regionCandidates.join(',')})`)
       .is('deleted_at', null)
       .order('date_debut', { ascending: false });
     if (eventsData) {

src/app/page.tsx

@@ -1,5 +1,9 @@
 import React from 'react';
 import Link from 'next/link';
+import { supabase } from '@/lib/supabase';
+
+export const dynamic = 'force-dynamic';
+export const revalidate = 0;
 
 export const metadata = {
   title: 'Portail des Régions | TER Ferrovia',
@@ -20,7 +24,22 @@ const regions = [
   { slug: 'auvergne-rhone-alpes', name: 'Auvergne-Rhône-Alpes', logo: 'https://www.ter.sncf.com/assets/medias/aura/headerLogo.svg', color: '#004f9f' },
 ];
 
-export default function PortalPage() {
+export default async function PortalPage() {
+  let actualites: any[] = [];
+  try {
+    const { data } = await supabase
+      .from('actualites')
+      .select('*')
+      .eq('actif', true)
+      .is('deleted_at', null)
+      .order('date_publication', { ascending: false })
+      .order('created_at', { ascending: false })
+      .limit(6);
+    if (data) actualites = data;
+  } catch (err) {
+    console.error('Error fetching actualites on portal page:', err);
+  }
+
   return (
     <div className="min-h-screen bg-[#f5f6f8] flex flex-col items-center justify-center font-sans">
       <div className="w-full bg-[#111] py-8 text-center border-b-[4px] border-[#961533]">
@@ -62,6 +81,42 @@ export default function PortalPage() {
             </Link>
           ))}
         </div>
+
+        {/* Section Actualités du réseau */}
+        {actualites.length > 0 && (
+          <div className="mt-16">
+            <div className="text-center mb-8">
+              <h2 className="text-[24px] font-bold text-gray-800">Actualités du réseau</h2>
+              <p className="text-gray-500 mt-1 text-[14px]">Informations et actualités TER Ferrovia</p>
+            </div>
+
+            <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
+              {actualites.map((actu) => (
+                <div key={actu.id} className="bg-white rounded-xl shadow-sm border border-gray-200/80 p-5 flex flex-col justify-between hover:shadow-md transition-shadow">
+                  <div>
+                    {actu.image_couverture || actu.image_url ? (
+                      <div className="w-full h-44 rounded-lg overflow-hidden mb-3.5 bg-gray-100">
+                        <img src={actu.image_couverture || actu.image_url} alt={actu.titre} className="w-full h-full object-cover" />
+                      </div>
+                    ) : (
+                      <div className="w-full h-32 rounded-lg bg-gradient-to-r from-blue-700 to-indigo-800 p-4 text-white flex flex-col justify-between mb-3.5">
+                        <span className="text-[10px] font-bold uppercase tracking-wider bg-white/20 px-2 py-0.5 rounded-full w-fit">
+                          {actu.categorie || 'Actualité'}
+                        </span>
+                        <h4 className="font-bold text-[16px] line-clamp-2 leading-tight">{actu.titre}</h4>
+                      </div>
+                    )}
+                    <h3 className="font-bold text-gray-900 text-[16px] mb-2 leading-snug">{actu.titre}</h3>
+                    <p className="text-gray-600 text-[13px] line-clamp-3 leading-relaxed mb-4">{actu.resume || actu.contenu}</p>
+                  </div>
+                  <div className="text-[11px] text-gray-400 border-t border-gray-100 pt-3">
+                    {actu.date_publication ? new Date(actu.date_publication).toLocaleDateString('fr-FR', { day: 'numeric', month: 'long', year: 'numeric' }) : ''}
+                  </div>
+                </div>
+              ))}
+            </div>
+          </div>
+        )}
         
         <div className="mt-16 text-center">
           <div className="inline-block bg-white px-6 py-4 rounded-lg shadow-sm border border-gray-200">

src/components/OffersPageClient.tsx

@@ -7,6 +7,9 @@ import { supabase } from '@/lib/supabase';
 import { getRegionTheme } from '@/lib/regionTheme';
 import SiteHeader from '@/components/SiteHeader';
 import SiteFooter from '@/components/SiteFooter';
+import { isPerturbationActiveOnDate, formatPerturbationCause, getPerturbationPriority } from '@/lib/perturbationUtils';
+import { resolveEffectiveMateriel } from '@/lib/materielUtils';
+import { resolvePerturbedRoute } from '@/lib/parcoursUtils';
 
 interface OffersPageClientProps {
   regionSlug?: string;
@@ -211,34 +214,28 @@ export default function OffersPageClient({
   };
 
   // Helper to extract exact segment stops & times for user departure -> arrival segment
-  const resolveTrainSegment = (item: any, depQuery: string, arrQuery: string, gMap: Record<string, string>) => {
-    let stops: TrainStop[] = [];
-
-    if (item.gares_desservies && Array.isArray(item.gares_desservies) && item.gares_desservies.length > 0) {
-      stops = item.gares_desservies.map((g: any) => ({
+  const resolveTrainSegment = (resolvedStops: any[], depQuery: string, arrQuery: string, defaultFinalDest: string) => {
+    // Only consider served, unsuppressed stops
+    const activeStops: TrainStop[] = resolvedStops
+      .filter((s: any) => !s.is_supprime)
+      .map((g: any) => ({
         time: (g.heure_depart || g.heure_arrivee || '00:00').slice(0, 5),
-        stationName: g.gare_nom || (g.gare_id ? gMap[g.gare_id] : ''),
+        stationName: g.gare_nom || '',
       }));
-    } else {
-      stops = [
-        { time: (item.heure_depart || '08:00').slice(0, 5), stationName: item.gare_depart_nom || (item.gare_depart_id ? gMap[item.gare_depart_id] : '') || depQuery },
-        { time: (item.heure_arrivee || '08:45').slice(0, 5), stationName: item.gare_arrivee_nom || (item.gare_arrivee_id ? gMap[item.gare_arrivee_id] : '') || arrQuery },
-      ];
-    }
 
-    const depIdx = stops.findIndex(s => matchStation(depQuery, s.stationName));
-    const arrIdx = stops.findIndex(s => matchStation(arrQuery, s.stationName));
+    const depIdx = activeStops.findIndex(s => matchStation(depQuery, s.stationName));
+    const arrIdx = activeStops.findIndex(s => matchStation(arrQuery, s.stationName));
 
     // STRICT DIRECTION FILTERING: Train MUST travel in direction depIdx < arrIdx!
     if (depIdx === -1 || arrIdx === -1 || depIdx >= arrIdx) {
       return null;
     }
 
-    const segStops = stops.slice(depIdx, arrIdx + 1);
-    const segDepTime = stops[depIdx].time;
-    const segArrTime = stops[arrIdx].time;
-    const segDepName = stops[depIdx].stationName;
-    const segArrName = stops[arrIdx].stationName;
+    const segStops = activeStops.slice(depIdx, arrIdx + 1);
+    const segDepTime = activeStops[depIdx].time;
+    const segArrTime = activeStops[arrIdx].time;
+    const segDepName = activeStops[depIdx].stationName;
+    const segArrName = activeStops[arrIdx].stationName;
 
     // Calculate segment duration
     const [h1, m1] = segDepTime.split(':').map(Number);
@@ -249,7 +246,7 @@ export default function OffersPageClient({
     const durMins = totalMins % 60;
     const durStr = durHours > 0 ? `${durHours}h${durMins < 10 ? '0' : ''}${durMins}` : `${durMins} min`;
 
-    const finalDest = stops[stops.length - 1]?.stationName || item.gare_arrivee_nom || arrQuery;
+    const finalDest = activeStops[activeStops.length - 1]?.stationName || defaultFinalDest || arrQuery;
 
     return {
       depTime: segDepTime,
@@ -356,6 +353,11 @@ export default function OffersPageClient({
           .eq('actif', true)
           .is('deleted_at', null);
 
+        // 5. Query materiel-roulant from Supabase
+        const { data: allMatsData } = await supabase
+          .from('materiel-roulant')
+          .select('*');
+
         // Determine day of week column from outwardDate
         const dayLower = (outwardDate || '').toLowerCase();
         let targetCol = 'circule_lundi';
@@ -397,7 +399,21 @@ export default function OffersPageClient({
 
             if (!filterDay(item)) return;
 
-            const seg = resolveTrainSegment(item, departure, arrival, gMap);
+            // Match active perturbation for this train strictly on target date
+            const matchingPert = pertData?.find((p: any) => {
+              const matchTrain = 
+                p.horaire_id === item.id || 
+                String(p.horaire_id) === String(item.id) ||
+                String(p.horaire_id) === String(item.numero_train) ||
+                (p.numero_train && String(p.numero_train) === String(item.numero_train));
+              if (!matchTrain) return false;
+              return isPerturbationActiveOnDate(p, targetIsoDate);
+            });
+
+            // Resolve real-world route considering active perturbations
+            const resolvedParcours = resolvePerturbedRoute(item, matchingPert, gMap);
+
+            const seg = resolveTrainSegment(resolvedParcours.stops, departure, arrival, resolvedParcours.destination);
             if (!seg) return;
 
             // Check if segment departure time is >= user's chosen time
@@ -408,33 +424,53 @@ export default function OffersPageClient({
             if (seenKeys.has(uniqueKey)) return;
             seenKeys.add(uniqueKey);
 
-            // Match active perturbation for this train
-            const matchingPert = pertData?.find((p: any) => {
-              const matchTrain = p.horaire_id === item.id || p.horaire_id === item.numero_train;
-              if (!matchTrain) return false;
+            let pertType = matchingPert?.type_perturbation || (resolvedParcours.hasParcoursModification ? 'parcours_modifie' : 'Perturbation');
+            let pertDelay = matchingPert?.duree_retard_minutes || 0;
+            let pertCause = matchingPert?.cause || '';
+            let pertDetails = matchingPert?.cause_details || matchingPert?.notes || '';
 
-              const pStart = (p.date_debut || '').slice(0, 10);
-              const pEnd = (p.date_fin || '').slice(0, 10);
+            if (matchingPert) {
+              const arretsList = Array.isArray(matchingPert.perturbations_arrets)
+                ? matchingPert.perturbations_arrets
+                : Array.isArray(matchingPert.perturbations_arrets?.arrets)
+                ? matchingPert.perturbations_arrets.arrets
+                : [];
 
-              if (pStart && pEnd && pStart <= targetIsoDate && targetIsoDate <= pEnd) {
-                return true;
-              }
-              if (p.jours_perturbation && Array.isArray(p.jours_perturbation)) {
-                const jpMatch = p.jours_perturbation.some((jp: any) => {
-                  const d = (jp.date || jp.dateDebut || '').slice(0, 10);
-                  return d === targetIsoDate;
+              if (arretsList.length > 0) {
+                const stopPert = arretsList.find((pa: any) => {
+                  const paNom = (pa.gare_nom || '').toLowerCase().normalize("NFD").replace(/[\u0300-\u036f]/g, "").trim();
+                  const depNorm = (seg.depName || '').toLowerCase().normalize("NFD").replace(/[\u0300-\u036f]/g, "").trim();
+                  return paNom.includes(depNorm) || depNorm.includes(paNom);
                 });
-                if (jpMatch) return true;
+                if (stopPert) {
+                  if (stopPert.type_perturbation) pertType = stopPert.type_perturbation;
+                  if (stopPert.cause_arret) pertDetails = stopPert.cause_arret;
+                  const stopDelay = stopPert.retard_cumule ?? stopPert.retard_entrant ?? stopPert.retard_minutes;
+                  if (typeof stopDelay === 'number' && stopDelay > 0) {
+                    pertDelay = stopDelay;
+                  }
+                }
               }
-              return !pStart && !pEnd && (!p.jours_perturbation || p.jours_perturbation.length === 0);
+            }
+
+            const priority = getPerturbationPriority({
+              isSupprime: matchingPert?.type_perturbation === 'suppression',
+              hasParcoursModification: resolvedParcours.hasParcoursModification,
+              perturbationType: pertType,
+              delayMinutes: pertDelay,
             });
 
+            let pertLabel = 'Information';
+            if (priority === 'suppression') pertLabel = 'Train supprimé';
+            else if (priority === 'parcours_modifie') pertLabel = 'Parcours modifié';
+            else if (priority === 'retard') pertLabel = 'Retard';
+
             const pertInfo: PerturbationInfo | null = matchingPert ? {
               id: matchingPert.id?.toString(),
-              type: matchingPert.type_perturbation || 'Perturbation',
-              cause: matchingPert.cause || 'Incident de circulation',
-              causeDetails: matchingPert.cause_details || matchingPert.notes || '',
-              delayMinutes: matchingPert.duree_retard_minutes || 0,
+              type: pertLabel,
+              cause: formatPerturbationCause(pertCause) || 'Incident de circulation',
+              causeDetails: pertDetails,
+              delayMinutes: pertDelay,
               notes: matchingPert.notes || '',
             } : null;
 
@@ -442,15 +478,19 @@ export default function OffersPageClient({
             const isShortRoute = seg.arrName.toLowerCase().includes('pagny') || seg.arrName.toLowerCase().includes('brazey') || seg.depName.toLowerCase().includes('brazey');
             const priceVal = isShortRoute ? '6,50 €' : '13,00 €';
 
-            // Extract matériel roulant image from composition_train BDD
-            const composition = Array.isArray(item.composition_train) ? item.composition_train : [];
-            const firstMat = composition.length > 0 ? composition[0] : null;
-            
+            // Extract matériel roulant image using resolveEffectiveMateriel
             const diffDays = Math.ceil((new Date(targetIsoDate).getTime() - new Date().setHours(0,0,0,0)) / (1000 * 60 * 60 * 24));
             const showMateriel = diffDays <= 1;
-            
-            const matImageUrl = showMateriel ? (firstMat?.materiel_image_url || 'https://supabase-ferrovia.mrpatator.fr/storage/v1/object/public/materiel-roulant/images/1789909846752_regiolis_firsttosecond_bluegreenmobigo_4c__1_.png') : undefined;
-            const matNameText = firstMat ? `Un train "${firstMat.materiel_nom || 'Régiolis'}" ${firstMat.materiel_nom_technique ? `(${firstMat.materiel_nom_technique})` : ''}` : (item.modele_train || 'Un train "AGC"');
+
+            const effectiveMat = resolveEffectiveMateriel(item.composition_train, allMatsData || [], {
+              modeleTrain: item.modele_train || 'Régiolis',
+              capaciteTexte: item.capacite_texte,
+              imageUrl: 'https://supabase-ferrovia.mrpatator.fr/storage/v1/object/public/materiel-roulant/images/1789909846752_regiolis_firsttosecond_bluegreenmobigo_4c__1_.png'
+            });
+
+            const matImageUrl = showMateriel ? effectiveMat.imageUrl : undefined;
+            const matNameText = `Un train "${effectiveMat.nom}"${effectiveMat.nomTechnique ? ` (${effectiveMat.nomTechnique})` : ''}`;
+            const capacityVal = effectiveMat.places ? `${effectiveMat.voitures} voitures - ${effectiveMat.places} places` : (item.capacite_texte || '4 voitures - 220 places');
 
             mappedList.push({
               id: item.id?.toString() || idx.toString(),
@@ -464,7 +504,7 @@ export default function OffersPageClient({
               finalDestination: seg.finalDestination,
               operator: item.operateur || 'SNCF Voyageurs - 1187',
               trainModel: matNameText,
-              capacityText: item.capacite_texte || '4 voitures - 220 places',
+              capacityText: capacityVal,
               onboardServices: '🚲',
               priceClass: idx === hData.length - 1 ? 'À partir de' : '2nd classe',
               price: priceVal,
@@ -637,13 +677,27 @@ export default function OffersPageClient({
                       >
                         {/* PERTURBATION WARNING BANNER */}
                         {offer.perturbation && (
-                          <div className="bg-amber-50 border-b border-amber-200 px-4 py-2 text-[12.5px] text-amber-900 flex items-center justify-between gap-2">
+                          <div className={`border-b px-4 py-2 text-[12.5px] flex items-center justify-between gap-2 ${
+                            offer.perturbation.type === 'Train supprimé'
+                              ? 'bg-red-50 border-red-200 text-red-900'
+                              : offer.perturbation.type === 'Parcours modifié'
+                              ? 'bg-blue-50 border-blue-200 text-blue-900'
+                              : 'bg-amber-50 border-amber-200 text-amber-900'
+                          }`}>
                             <div className="flex items-center gap-2">
-                              <span className="material-icons text-amber-700 text-[18px]">warning</span>
-                              <span className="font-bold">Perturbation :</span>
-                              <span>{offer.perturbation.cause || offer.perturbation.type || 'Incident de circulation'}</span>
+                              <span className={`w-4 h-4 rounded-full text-white flex items-center justify-center text-[10px] font-bold shrink-0 ${
+                                offer.perturbation.type === 'Train supprimé'
+                                  ? 'bg-red-600'
+                                  : offer.perturbation.type === 'Parcours modifié'
+                                  ? 'bg-[#0066a4]'
+                                  : 'bg-[#e65100]'
+                              }`}>
+                                {offer.perturbation.type === 'Train supprimé' ? '✕' : offer.perturbation.type === 'Parcours modifié' ? '↔' : '!'}
+                              </span>
+                              <span className="font-bold">{offer.perturbation.type} :</span>
+                              <span>{offer.perturbation.cause || 'Incident de circulation'}</span>
                             </div>
-                            {offer.perturbation.delayMinutes ? (
+                            {offer.perturbation.delayMinutes && offer.perturbation.type === 'Retard' ? (
                               <span className="bg-amber-200 text-amber-950 px-2 py-0.5 rounded font-bold text-[11px] whitespace-nowrap">
                                 Retard : +{offer.perturbation.delayMinutes} min
                               </span>

src/components/ProchainsDepartsClient.tsx

@@ -7,7 +7,8 @@ import { supabase } from '@/lib/supabase';
 import SiteHeader from '@/components/SiteHeader';
 import SiteFooter from '@/components/SiteFooter';
 import { getRegionTheme } from '@/lib/regionTheme';
-import { isPerturbationActiveOnDate } from '@/lib/perturbationUtils';
+import { isPerturbationActiveOnDate, getPerturbationBannerStyle, formatPerturbationCause, getPerturbationPriority } from '@/lib/perturbationUtils';
+import { resolvePerturbedRoute } from '@/lib/parcoursUtils';
 
 interface ProchainsDepartsClientProps {
   regionSlug?: string;
@@ -31,6 +32,9 @@ export interface StopItem {
   perturbationType?: string;
   perturbationDetails?: string;
   isSupprime?: boolean;
+  isNouveauTerminus?: boolean;
+  isNouvelleOrigine?: boolean;
+  isAddedManually?: boolean;
   retardMinutes?: number;
 }
 
@@ -40,6 +44,7 @@ export interface DepartureRow {
   revisedTime?: string;
   delayText?: string;
   isSupprime?: boolean;
+  isTrainSupplementaire?: boolean;
   destination: string;
   modeIcon: 'bus' | 'train';
   modeLabel: string;
@@ -62,6 +67,7 @@ export interface ArrivalRow {
   revisedTime?: string;
   delayText?: string;
   isSupprime?: boolean;
+  isTrainSupplementaire?: boolean;
   provenance: string;
   modeIcon: 'bus' | 'train';
   modeLabel: string;
@@ -910,18 +916,35 @@ export default function ProchainsDepartsClient({
             const arrList: ArrivalRow[] = [];
             const dateLabelStr = isNextDay ? formatDateLabel(targetDateIso) : undefined;
 
-            hData.forEach((h: any, idx: number) => {
-              if (!checkCirculation(h, targetDateIso)) return;
-
-              let gares = [];
-              if (typeof h.gares_desservies === 'string') {
-                try { gares = JSON.parse(h.gares_desservies); } catch (e) {}
-              } else if (Array.isArray(h.gares_desservies)) {
-                gares = h.gares_desservies;
+            // Collect active substitution horaire IDs for targetDateIso
+            const subHoraireIds = new Set<string>();
+            pertData?.forEach((p: any) => {
+              if (p.sillon_substitution_id && isPerturbationActiveOnDate(p, targetDateIso)) {
+                subHoraireIds.add(String(p.sillon_substitution_id));
               }
+            });
+
+            hData.forEach((h: any, idx: number) => {
+              const isSub = subHoraireIds.has(String(h.id)) || subHoraireIds.has(String(h.numero_train));
+              const isCirculating = checkCirculation(h, targetDateIso);
+              if (!isCirculating && !isSub) return;
+
+              // Perturbation match strictly on timetable target date
+              const matchingPert = pertData?.find((p: any) => {
+                return (
+                  p.horaire_id === h.id || 
+                  String(p.horaire_id) === String(h.id) ||
+                  String(p.horaire_id) === String(h.numero_train) ||
+                  (p.numero_train && String(p.numero_train) === String(h.numero_train))
+                ) && isPerturbationActiveOnDate(p, targetDateIso);
+              });
+
+              // Resolve real-world route considering perturbations (new terminus, new origin, deleted or added stops)
+              const resolvedParcours = resolvePerturbedRoute(h, matchingPert, gMap);
+              const gares = resolvedParcours.stops;
 
               const stopIdx = gares.findIndex((g: any) => {
-                const gNom = (g.gare_nom || gMap[g.gare_id] || '').toLowerCase().normalize("NFD").replace(/[\u0300-\u036f]/g, "").trim();
+                const gNom = (g.gare_nom || '').toLowerCase().normalize("NFD").replace(/[\u0300-\u036f]/g, "").trim();
                 return gNom.includes(cleanName) || cleanName.includes(gNom);
               });
 
@@ -929,16 +952,11 @@ export default function ProchainsDepartsClient({
                 const stop = gares[stopIdx];
                 const depTime = (stop.heure_depart || stop.heure_arrivee || '').slice(0, 5) || '08:00';
                 const arrTime = (stop.heure_arrivee || stop.heure_depart || '').slice(0, 5) || '08:00';
-                const isTerminus = stopIdx === gares.length - 1 && !stop.heure_depart;
-                const isOrigin = stopIdx === 0;
+                const isTerminus = stop.is_nouveau_terminus || (stopIdx === gares.length - 1 && !stop.heure_depart) || stop.is_arrivee;
+                const isOrigin = stop.is_nouvelle_origine || stopIdx === 0 || stop.is_depart;
 
                 const badge = (h.ligne_id && lMap[h.ligne_id]) || (h.badge_ligne ? String(h.badge_ligne).trim() : undefined) || deriveBadge(h);
 
-                // Perturbation match
-                const matchingPert = pertData?.find((p: any) => {
-                  return (p.horaire_id === h.id || String(p.horaire_id) === String(h.numero_train)) && isPerturbationActiveOnDate(p, targetDateIso);
-                });
-
                 // Travaux match on line
                 const matchingTravaux = trData?.find((t: any) => {
                   const tL = (t.ligne_nom || '').toLowerCase().trim();
@@ -959,37 +977,90 @@ export default function ProchainsDepartsClient({
                   return true;
                 });
 
-                let pertType: any = matchingPert?.type_perturbation || (matchingTravaux ? 'information' : undefined);
-                let pertDetails: string | undefined = matchingPert?.cause_details || matchingPert?.cause || (matchingTravaux ? (matchingTravaux.description || matchingTravaux.titre) : undefined);
-                let isSupp = matchingPert?.type_perturbation === 'suppression';
+                let pertCause = matchingPert?.cause || '';
+                let pertDetails: string | undefined = matchingPert?.cause_details || matchingPert?.notes || (matchingTravaux ? (matchingTravaux.description || matchingTravaux.titre) : undefined);
+                let isSupp = matchingPert?.type_perturbation === 'suppression' || Boolean(stop.is_supprime);
+                let delayMins = matchingPert?.duree_retard_minutes;
+
+                // Stop-specific cause and delay if defined
+                if (stop.cause_arret) pertCause = stop.cause_arret;
+                if (stop.retard_minutes !== undefined && stop.retard_minutes > 0) {
+                  delayMins = stop.retard_minutes;
+                }
+
+                const formattedCause = formatPerturbationCause(pertCause);
+
+                // Strictly resolve priority: Supprimé > Modification de parcours > Retardé > A l'heure
+                const priority = getPerturbationPriority({
+                  isSupprime: isSupp,
+                  hasParcoursModification: resolvedParcours.hasParcoursModification,
+                  perturbationType: matchingPert?.type_perturbation,
+                  typesPerturbation: stop.types_perturbation,
+                  delayMinutes: delayMins,
+                });
+
+                let pertType: any = undefined;
                 let revisedTimeStr: string | undefined = undefined;
                 let delayTextStr: string | undefined = undefined;
 
-                if (isSupp) {
-                  delayTextStr = 'Train supprimé';
-                } else if (matchingPert?.duree_retard_minutes) {
-                  const delayMins = matchingPert.duree_retard_minutes;
+                if (priority === 'suppression') {
+                  isSupp = true;
+                  pertType = 'suppression';
+                  delayTextStr = formattedCause ? `Train supprimé (${formattedCause})` : (stop.cause_arret || 'Train supprimé');
+                } else if (priority === 'parcours_modifie') {
+                  isSupp = false;
+                  pertType = 'parcours_modifie';
+                  const extraRouteInfo = resolvedParcours.nouveauTerminusNom ? `Terminus ${resolvedParcours.nouveauTerminusNom}` : (resolvedParcours.nouvelleOrigineNom ? `Origine ${resolvedParcours.nouvelleOrigineNom}` : '');
+                  if (formattedCause && extraRouteInfo) {
+                    delayTextStr = `Modification de parcours : ${extraRouteInfo} (${formattedCause})`;
+                  } else if (extraRouteInfo) {
+                    delayTextStr = `Modification de parcours : ${extraRouteInfo}`;
+                  } else if (formattedCause) {
+                    delayTextStr = `Modification de parcours (${formattedCause})`;
+                  } else {
+                    delayTextStr = 'Modification de parcours';
+                  }
+                } else if (priority === 'retard') {
+                  isSupp = false;
+                  pertType = 'retard';
                   const [hH, hM] = depTime.split(':').map(Number);
-                  const revTotal = hH * 60 + hM + delayMins;
+                  const revTotal = (isNaN(hH) ? 0 : hH) * 60 + (isNaN(hM) ? 0 : hM) + (delayMins || 0);
                   const revH = Math.floor(revTotal / 60) % 24;
                   const revM = revTotal % 60;
                   revisedTimeStr = `${String(revH).padStart(2, '0')}:${String(revM).padStart(2, '0')}`;
-                  delayTextStr = `Retard estimé de ${delayMins} min`;
+                  delayTextStr = formattedCause ? `Retard estimé de ${delayMins} min (${formattedCause})` : `Retard estimé de ${delayMins} min`;
+                } else {
+                  // A l'heure
+                  isSupp = false;
+                  if (matchingTravaux) {
+                    pertType = 'information';
+                    delayTextStr = matchingTravaux.titre || matchingTravaux.description || 'Information trafic';
+                  } else {
+                    pertType = undefined;
+                    delayTextStr = undefined;
+                  }
                 }
 
-                // Map stops for timeline
-                const stopsMapped: StopItem[] = gares.map((g: any, gIdx: number) => {
-                  const sDep = (g.heure_depart || g.heure_arrivee || '').slice(0, 5);
-                  const sArr = (g.heure_arrivee || g.heure_depart || '').slice(0, 5);
+                // Map stops for timeline accordion
+                const stopsMapped: StopItem[] = gares.map((g: any) => {
+                  const sDep = g.heure_depart || g.heure_arrivee || '';
+                  const sArr = g.heure_arrivee || g.heure_depart || '';
                   const rawQ = g.quai || g.quai_reel || '';
                   return {
                     departTime: sDep,
                     arriveeTime: sArr,
-                    gareNom: g.gare_nom || gMap[g.gare_id] || '',
+                    gareNom: g.gare_nom,
                     voie: formatQuaiDisplay(rawQ, sDep || sArr, targetDateIso, h.type_train, currentStationType),
                     rawQuai: rawQ,
-                    isDepart: gIdx === 0,
-                    isArrivee: gIdx === gares.length - 1,
+                    isDepart: g.is_depart,
+                    isArrivee: g.is_arrivee,
+                    isSupprime: g.is_supprime,
+                    isNouveauTerminus: g.is_nouveau_terminus,
+                    isNouvelleOrigine: g.is_nouvelle_origine,
+                    isAddedManually: g.is_added_manually,
+                    retardMinutes: g.retard_minutes,
+                    perturbationType: g.type_perturbation || pertType,
+                    perturbationDetails: g.cause_arret || pertDetails,
                   };
                 });
 
@@ -1003,7 +1074,8 @@ export default function ProchainsDepartsClient({
                     revisedTime: revisedTimeStr,
                     delayText: delayTextStr,
                     isSupprime: isSupp,
-                    destination: h.gare_arrivee_nom || gares[gares.length - 1]?.gare_nom || 'Terminus',
+                    isTrainSupplementaire: isSub,
+                    destination: resolvedParcours.destination,
                     modeIcon: (h.type_train || '').toLowerCase().includes('car') ? 'bus' : 'train',
                     modeLabel: h.type_train || 'Train MOBIGO',
                     trainNumber: h.numero_train || `89${idx + 301}`,
@@ -1027,7 +1099,8 @@ export default function ProchainsDepartsClient({
                     revisedTime: revisedTimeStr,
                     delayText: delayTextStr,
                     isSupprime: isSupp,
-                    provenance: h.gare_depart_nom || gares[0]?.gare_nom || 'Origine',
+                    isTrainSupplementaire: isSub,
+                    provenance: resolvedParcours.provenance,
                     modeIcon: (h.type_train || '').toLowerCase().includes('car') ? 'bus' : 'train',
                     modeLabel: h.type_train || 'Train MOBIGO',
                     trainNumber: h.numero_train || `89${idx + 301}`,
@@ -1519,6 +1592,11 @@ export default function ProchainsDepartsClient({
                                       {item.trainBadge}
                                     </span>
                                   )}
+                                  {item.isTrainSupplementaire && (
+                                    <span className="bg-[#6f42c1] text-white text-[9px] font-bold px-1 py-0.2 rounded-[2px] shrink-0 leading-none uppercase">
+                                      Train Supplémentaire
+                                    </span>
+                                  )}
                                 </div>
                               </div>
 
@@ -1536,6 +1614,11 @@ export default function ProchainsDepartsClient({
                                     {item.trainBadge}
                                   </span>
                                 )}
+                                {item.isTrainSupplementaire && (
+                                  <span className="bg-[#6f42c1] text-white text-[10px] font-bold px-1.5 py-0.5 rounded-[3px] shrink-0 leading-none uppercase">
+                                    Train Supplémentaire
+                                  </span>
+                                )}
                               </div>
 
                               {/* Column 4: Voie (prominently visible on mobile & desktop) */}
@@ -1564,23 +1647,44 @@ export default function ProchainsDepartsClient({
                               </div>
                             </div>
 
-                            {/* Information Banner on closed row */}
-                            {hasInfo && !isExpanded && (
-                              <div 
-                                onClick={() => setExpandedId(isExpanded ? null : item.id)}
-                                className="relative bg-[#e8f4fc] px-4 py-1.5 sm:px-6 sm:py-1.5 text-[12px] text-[#0055a5] flex items-center gap-2 cursor-pointer border-t border-b border-[#d8ebf9]"
-                              >
-                                <div className="absolute -top-[6px] left-6 sm:left-10 w-0 h-0 border-l-[6px] border-l-transparent border-r-[6px] border-r-transparent border-b-[6px] border-b-[#e8f4fc]" />
-                                <span className="w-4 h-4 rounded-full bg-[#0055a5] text-white flex items-center justify-center text-[10px] font-bold shrink-0">
-                                  i
-                                </span>
-                                <span className="font-normal text-[12px]">
-                                  {item.isSupprime ? 'Train supprimé' : (item.delayText || 'Information')}
-                                </span>
-                              </div>
-                            )}
+                            {/* Status Banner on closed row (retard, suppression, modification de parcours) */}
+                            {hasInfo && !isExpanded && (() => {
+                              const priority = getPerturbationPriority({
+                                isSupprime: item.isSupprime,
+                                hasParcoursModification: item.perturbationType === 'parcours_modifie' || item.perturbationType?.includes('parcours'),
+                                perturbationType: item.perturbationType,
+                                delayMinutes: item.revisedTime ? 1 : undefined,
+                              });
+                              if (priority === 'a_l_heure' && item.perturbationType !== 'information') return null;
+                              const bStyle = getPerturbationBannerStyle(priority === 'a_l_heure' ? 'information' : priority);
+                              return (
+                                <div 
+                                  onClick={() => setExpandedId(isExpanded ? null : item.id)}
+                                  className="relative px-4 py-1.5 sm:px-6 sm:py-1.5 text-[12px] flex items-center gap-2 cursor-pointer border-t border-b"
+                                  style={{
+                                    backgroundColor: bStyle.bgColor,
+                                    borderColor: `${bStyle.textColor}33`,
+                                    color: bStyle.textColor,
+                                  }}
+                                >
+                                  <div 
+                                    className="absolute -top-[6px] left-6 sm:left-10 w-0 h-0 border-l-[6px] border-l-transparent border-r-[6px] border-r-transparent border-b-[6px]"
+                                    style={{ borderBottomColor: bStyle.bgColor }}
+                                  />
+                                  <span 
+                                    className="w-4 h-4 rounded-full text-white flex items-center justify-center text-[10px] font-bold shrink-0"
+                                    style={{ backgroundColor: bStyle.iconBgColor }}
+                                  >
+                                    {bStyle.iconText}
+                                  </span>
+                                  <span className="font-semibold text-[12px]">
+                                    {item.delayText || bStyle.defaultCause || 'Information'}
+                                  </span>
+                                </div>
+                              );
+                            })()}
 
-                            {/* ─── EXPANDED TIMELINE ACCORDION (STRICTLY CONFORME IMG 2) ─── */}
+                            {/* ─── EXPANDED TIMELINE ACCORDION (STRICTLY CONFORME IMG 2 & IMG 1) ─── */}
                             {isExpanded && (
                               <div className="bg-[#edf4d2] p-4 sm:p-6 border-t border-b border-[#d8e2be] animate-fadeIn text-[#222]">
                                 
@@ -1588,7 +1692,7 @@ export default function ProchainsDepartsClient({
                                 <h3 className="text-[20px] sm:text-[22px] font-bold text-gray-900 mb-1">
                                   Liste des gares
                                 </h3>
-                                <div className="flex items-center gap-2 text-[14px] text-gray-800 font-normal mb-1">
+                                <div className="flex items-center gap-2 text-[14px] text-gray-800 font-normal mb-1 flex-wrap">
                                   <span>
                                     desservies par le {item.modeIcon === 'bus' ? 'CAR' : 'TRAIN'} {(item.modeLabel || 'MOBIGO').toUpperCase().replace(/^(TRAIN|CAR)\s+/i, '')} {item.trainNumber || ''}
                                   </span>
@@ -1600,34 +1704,74 @@ export default function ProchainsDepartsClient({
                                       {item.trainBadge}
                                     </span>
                                   )}
+                                  {item.isTrainSupplementaire && (
+                                    <span className="bg-[#6f42c1] text-white text-[11px] font-bold px-2 py-0.5 rounded-[4px] leading-none uppercase">
+                                      Train Supplémentaire
+                                    </span>
+                                  )}
                                 </div>
                                 <p className="text-[12px] text-gray-500 font-normal mb-6">
                                   {item.operator || 'Opéré par SNCF Voyageurs - 1187'}
                                 </p>
 
-                                {/* Information description box with full HTML support */}
-                                {item.perturbationDetails && (
-                                  <div className="mb-6 bg-[#e8f4fc] border border-[#cbe4fc] rounded-xl p-4 text-[13px] text-[#222] max-w-[580px] shadow-2xs">
-                                    <div className="flex items-center gap-2 font-bold text-[#0055a5] mb-2">
-                                      <span className="w-4 h-4 rounded-full bg-[#0055a5] text-white flex items-center justify-center text-[10px] font-bold shrink-0">
-                                        i
-                                      </span>
-                                      <span>Information :</span>
-                                    </div>
-                                    {/<[a-z][\s\S]*>/i.test(item.perturbationDetails) ? (
-                                      <div 
-                                        className="text-[13px] leading-relaxed text-gray-800 space-y-2 [&_p]:mb-1.5 [&_p:last-child]:mb-0 [&_ul]:list-disc [&_ul]:pl-4 [&_ol]:list-decimal [&_ol]:pl-4 [&_a]:underline [&_a]:font-semibold"
-                                        dangerouslySetInnerHTML={{ __html: item.perturbationDetails }} 
-                                      />
-                                    ) : (
-                                      <div className="text-[13px] whitespace-pre-line leading-relaxed text-gray-800">
-                                        {item.perturbationDetails}
-                                      </div>
-                                    )}
-                                  </div>
-                                )}
+                                {/* Perturbation Banner & Details in Timetable Accordion */}
+                                {hasInfo && (() => {
+                                  const priority = getPerturbationPriority({
+                                    isSupprime: item.isSupprime,
+                                    hasParcoursModification: item.perturbationType === 'parcours_modifie' || item.perturbationType?.includes('parcours'),
+                                    perturbationType: item.perturbationType,
+                                    delayMinutes: item.revisedTime ? 1 : undefined,
+                                  });
+                                  if (priority === 'a_l_heure' && item.perturbationType !== 'information' && !item.perturbationDetails) return null;
+                                  const bStyle = getPerturbationBannerStyle(priority === 'a_l_heure' ? 'information' : priority);
+                                  const headerTitle = item.delayText || (
+                                    priority === 'suppression' 
+                                      ? 'Train supprimé' 
+                                      : priority === 'parcours_modifie' 
+                                      ? 'Modification de parcours' 
+                                      : priority === 'retard' 
+                                      ? 'Retard estimé' 
+                                      : 'Information trafic'
+                                  );
 
-                                {/* Table of stops with 100% continuous yellow line */}
+                                  return (
+                                    <div 
+                                      className="mb-6 rounded-xl p-4 border text-[13px] shadow-2xs max-w-[580px]"
+                                      style={{
+                                        backgroundColor: bStyle.bgColor,
+                                        borderColor: `${bStyle.textColor}33`,
+                                        color: bStyle.textColor,
+                                      }}
+                                    >
+                                      <div className="flex items-center gap-2 font-bold text-[14px] mb-1.5">
+                                        <span 
+                                          className="w-5 h-5 rounded-full text-white flex items-center justify-center text-[10px] font-bold shrink-0"
+                                          style={{ backgroundColor: bStyle.iconBgColor }}
+                                        >
+                                          {bStyle.iconText}
+                                        </span>
+                                        <span>{headerTitle}</span>
+                                      </div>
+
+                                      {item.perturbationDetails && (
+                                        <div className="mt-2 text-[12.5px] leading-relaxed text-gray-800">
+                                          {/<[a-z][\s\S]*>/i.test(item.perturbationDetails) ? (
+                                            <div 
+                                              className="space-y-1.5 [&_p]:mb-1 [&_p:last-child]:mb-0 [&_ul]:list-disc [&_ul]:pl-4 [&_ol]:list-decimal [&_ol]:pl-4 [&_a]:underline [&_a]:font-semibold"
+                                              dangerouslySetInnerHTML={{ __html: item.perturbationDetails }} 
+                                            />
+                                          ) : (
+                                            <div className="whitespace-pre-line">
+                                              {item.perturbationDetails}
+                                            </div>
+                                          )}
+                                        </div>
+                                      )}
+                                    </div>
+                                  );
+                                })()}
+
+                                {/* Table of stops with 100% continuous yellow line (Matching Image 1) */}
                                 <div className="max-w-[560px] mb-8">
                                   
                                   {/* Table Subheader */}
@@ -1657,7 +1801,7 @@ export default function ProchainsDepartsClient({
                                           >
                                             {/* Column 1: Green circular radio selector ring */}
                                             <div className="flex items-center justify-start">
-                                              {!isOrigin && (
+                                              {!isOrigin && !stop.isSupprime && (
                                                 <button
                                                   type="button"
                                                   onClick={() => setSelectedArrivalStops(prev => ({ ...prev, [item.id]: stop.gareNom }))}
@@ -1671,17 +1815,40 @@ export default function ProchainsDepartsClient({
                                               )}
                                             </div>
 
-                                            {/* Column 2: Departure time */}
-                                            <span 
-                                              onClick={() => {
-                                                if (!isOrigin) setSelectedArrivalStops(prev => ({ ...prev, [item.id]: stop.gareNom }));
-                                              }}
-                                              className={`font-normal text-gray-900 ${!isOrigin ? 'cursor-pointer' : ''}`}
-                                            >
-                                              {stop.departTime || stop.arriveeTime}
-                                            </span>
+                                            {/* Column 2: Departure time (always displayed, struck-through if suppressed as requested) */}
+                                            <div className="flex flex-col">
+                                              {stop.isSupprime ? (
+                                                <span className="line-through text-gray-500 font-normal text-[13px]">
+                                                  {stop.departTime || stop.arriveeTime}
+                                                </span>
+                                              ) : stop.retardMinutes ? (
+                                                <div className="flex flex-col leading-tight">
+                                                  <span className="line-through text-gray-400 text-[11px]">
+                                                    {stop.departTime || stop.arriveeTime}
+                                                  </span>
+                                                  <span className="text-red-600 font-semibold text-[13px]">
+                                                    {(() => {
+                                                      const [sH, sM] = (stop.departTime || stop.arriveeTime || '00:00').split(':').map(Number);
+                                                      const total = sH * 60 + sM + stop.retardMinutes;
+                                                      const rH = Math.floor(total / 60) % 24;
+                                                      const rM = total % 60;
+                                                      return `${String(rH).padStart(2, '0')}:${String(rM).padStart(2, '0')}`;
+                                                    })()}
+                                                  </span>
+                                                </div>
+                                              ) : (
+                                                <span 
+                                                  onClick={() => {
+                                                    if (!isOrigin && !stop.isSupprime) setSelectedArrivalStops(prev => ({ ...prev, [item.id]: stop.gareNom }));
+                                                  }}
+                                                  className={`font-normal text-gray-900 ${!isOrigin ? 'cursor-pointer' : ''}`}
+                                                >
+                                                  {stop.departTime || stop.arriveeTime}
+                                                </span>
+                                              )}
+                                            </div>
 
-                                            {/* Column 3: Solid Snap Dot */}
+                                            {/* Column 3: Solid Snap Dot (Yellow #d2db24 uninterrupted, or primary if selected) */}
                                             <div className="flex items-center justify-center">
                                               <span 
                                                 className="w-2 h-2 rounded-full relative z-10 shrink-0 transition-colors duration-150"
@@ -1691,21 +1858,78 @@ export default function ProchainsDepartsClient({
                                               />
                                             </div>
 
-                                            {/* Column 4: Station name */}
-                                            <span 
-                                              onClick={() => {
-                                                if (!isOrigin) setSelectedArrivalStops(prev => ({ ...prev, [item.id]: stop.gareNom }));
-                                              }}
-                                              className={`font-normal text-gray-900 ${!isOrigin ? 'cursor-pointer hover:underline' : ''} ${
-                                                isSelected ? 'font-semibold text-gray-950' : ''
-                                              }`}
-                                            >
-                                              {stop.gareNom}
-                                            </span>
+                                            {/* Column 4: Station name & status (strictly conforming to Image 1) */}
+                                            <div className="pr-2">
+                                              {stop.isSupprime ? (
+                                                <div>
+                                                  <span className="font-bold text-[14px] text-[#b91c1c] line-through block leading-snug">
+                                                    {stop.gareNom}
+                                                  </span>
+                                                  <div className="flex items-center gap-1.5 text-[12px] font-bold text-[#b91c1c] mt-0.5">
+                                                    <span className="w-3.5 h-3.5 rounded-full bg-[#b91c1c] text-white flex items-center justify-center text-[9px] font-bold shrink-0">!</span>
+                                                    <span>Arrêt supprimé</span>
+                                                  </div>
+                                                  <div className="text-[11px] text-gray-700 mt-0.5 font-normal">
+                                                    {stop.perturbationDetails || "Accident à un passage à niveau"}
+                                                  </div>
+                                                </div>
+                                              ) : stop.isNouveauTerminus ? (
+                                                <div>
+                                                  <span 
+                                                    onClick={() => {
+                                                      if (!isOrigin) setSelectedArrivalStops(prev => ({ ...prev, [item.id]: stop.gareNom }));
+                                                    }}
+                                                    className={`font-normal text-gray-900 block leading-snug ${!isOrigin ? 'cursor-pointer hover:underline' : ''} ${isSelected ? 'font-semibold text-gray-950' : ''}`}
+                                                  >
+                                                    {stop.gareNom}
+                                                  </span>
+                                                  <div className="flex items-center gap-1.5 text-[12px] text-[#0066a4] font-medium mt-0.5">
+                                                    <span className="w-3.5 h-3.5 rounded-full bg-[#0066a4] text-white flex items-center justify-center text-[9px] font-bold shrink-0">i</span>
+                                                    <span>Terminus exceptionnel</span>
+                                                  </div>
+                                                </div>
+                                              ) : stop.isNouvelleOrigine ? (
+                                                <div>
+                                                  <span className="font-normal text-gray-900 block leading-snug">
+                                                    {stop.gareNom}
+                                                  </span>
+                                                  <div className="flex items-center gap-1.5 text-[12px] text-[#0066a4] font-medium mt-0.5">
+                                                    <span className="w-3.5 h-3.5 rounded-full bg-[#0066a4] text-white flex items-center justify-center text-[9px] font-bold shrink-0">i</span>
+                                                    <span>Origine exceptionnelle</span>
+                                                  </div>
+                                                </div>
+                                              ) : stop.isAddedManually ? (
+                                                <div>
+                                                  <span 
+                                                    onClick={() => {
+                                                      if (!isOrigin) setSelectedArrivalStops(prev => ({ ...prev, [item.id]: stop.gareNom }));
+                                                    }}
+                                                    className={`font-normal text-gray-900 block leading-snug ${!isOrigin ? 'cursor-pointer hover:underline' : ''} ${isSelected ? 'font-semibold text-gray-950' : ''}`}
+                                                  >
+                                                    {stop.gareNom}
+                                                  </span>
+                                                  <div className="flex items-center gap-1.5 text-[12px] text-emerald-800 font-medium mt-0.5">
+                                                    <span className="w-3.5 h-3.5 rounded-full bg-emerald-700 text-white flex items-center justify-center text-[9px] font-bold shrink-0">+</span>
+                                                    <span>Arrêt exceptionnel</span>
+                                                  </div>
+                                                </div>
+                                              ) : (
+                                                <div>
+                                                  <span 
+                                                    onClick={() => {
+                                                      if (!isOrigin) setSelectedArrivalStops(prev => ({ ...prev, [item.id]: stop.gareNom }));
+                                                    }}
+                                                    className={`font-normal text-gray-900 block leading-snug ${!isOrigin ? 'cursor-pointer hover:underline' : ''} ${isSelected ? 'font-semibold text-gray-950' : ''}`}
+                                                  >
+                                                    {stop.gareNom}
+                                                  </span>
+                                                </div>
+                                              )}
+                                            </div>
 
                                             {/* Column 5: Voie */}
                                             <span className="font-normal text-gray-800 text-center">
-                                              {stop.voie}
+                                              {stop.isSupprime ? '-' : (stop.voie || '-')}
                                             </span>
                                           </div>
                                         );

src/components/RegionContent.tsx

@@ -622,7 +622,7 @@ export default function RegionContent({
           .from('actualites')
           .select('*')
           .eq('actif', true)
-          .in('region_id', regionCandidates)
+          .or(`region_id.is.null,region_id.in.(${regionCandidates.join(',')})`)
           .is('deleted_at', null)
           .order('date_publication', { ascending: false })
           .order('created_at', { ascending: false });
@@ -635,7 +635,7 @@ export default function RegionContent({
           .from('evenements')
           .select('*')
           .eq('actif', true)
-          .in('region_id', regionCandidates)
+          .or(`region_id.is.null,region_id.in.(${regionCandidates.join(',')})`)
           .is('deleted_at', null)
           .order('date_debut', { ascending: false });
         if (eData) {

src/components/SiteHeader.tsx

@@ -91,17 +91,6 @@ export default function SiteHeader({
                 </span>
               </div>
             )}
-
-            {(brandPrimary || brandSecondary) && (
-              <div className="hidden sm:flex flex-col border-l border-gray-200 pl-3">
-                <span className="text-[11px] font-semibold text-gray-500 uppercase tracking-wider leading-none">
-                  {brandPrimary || "RÉGION"}
-                </span>
-                <span className="text-[13px] font-bold leading-tight" style={{ color: theme.primary }}>
-                  {brandSecondary || "BOURGOGNE-FRANCHE-COMTÉ"}
-                </span>
-              </div>
-            )}
           </Link>
         </div>
 

src/components/StationDeparturesBoard.tsx

@@ -4,10 +4,14 @@ import React, { useState, useEffect, useMemo } from 'react';
 import Link from 'next/link';
 import { supabase } from '@/lib/supabase';
 import { getRegionTheme } from '@/lib/regionTheme';
+import { isPerturbationActiveOnDate, getPerturbationBannerStyle, formatPerturbationCause, getPerturbationPriority } from '@/lib/perturbationUtils';
+import { resolvePerturbedRoute } from '@/lib/parcoursUtils';
+import { isTrainActiveOnDate } from '@/lib/circulation';
 
 export interface ResolvedDeparture {
   id: string | number;
   scheduledTime: string;
+  revisedTime?: string;
   destName: string;
   trainType: string;
   trainNumber: string;
@@ -15,6 +19,15 @@ export interface ResolvedDeparture {
   track: string;
   rawQuai?: string | null;
   sourceHoraire?: any;
+  isSupprime?: boolean;
+  isTrainSupplementaire?: boolean;
+  statusLabel?: string;
+  statusBannerStyle?: {
+    bgColor: string;
+    textColor: string;
+    iconBgColor: string;
+    iconText: string;
+  };
 }
 
 interface StationDeparturesBoardProps {
@@ -40,8 +53,18 @@ export default function StationDeparturesBoard({
 
   const [selectedStation, setSelectedStation] = useState<string>(initialStation);
   const [horairesDataList, setHorairesDataList] = useState<any[]>([]);
+  const [perturbationsList, setPerturbationsList] = useState<any[]>([]);
   const [garesTypeMap, setGaresTypeMap] = useState<Record<string, string>>({});
   const [expandedDepartures, setExpandedDepartures] = useState<boolean>(false);
+  const [currentTime, setCurrentTime] = useState<Date>(() => new Date());
+
+  // Periodically refresh current time every 30 seconds to auto-hide departed trains
+  useEffect(() => {
+    const timer = setInterval(() => {
+      setCurrentTime(new Date());
+    }, 30000);
+    return () => clearInterval(timer);
+  }, []);
 
   // Sync station if prop changes
   useEffect(() => {
@@ -50,7 +73,7 @@ export default function StationDeparturesBoard({
     }
   }, [initialStation]);
 
-  // Fetch gares and horaires
+  // Fetch gares, horaires and perturbations
   useEffect(() => {
     const fetchBoardData = async () => {
       try {
@@ -83,6 +106,16 @@ export default function StationDeparturesBoard({
             gare_arrivee_nom: gMap[h.gare_arrivee_id] || '',
           })));
         }
+
+        const { data: pData } = await supabase
+          .from('perturbations')
+          .select('*')
+          .eq('actif', true)
+          .is('deleted_at', null);
+
+        if (pData) {
+          setPerturbationsList(pData);
+        }
       } catch (err) {
         console.error('Error fetching data for StationDeparturesBoard:', err);
       }
@@ -100,89 +133,205 @@ export default function StationDeparturesBoard({
     return `${year}-${month}-${day}`;
   };
 
-  const isTrainCirculating = (h: any, targetDate: string = getLocalDateStr()) => {
-    if (h.actif === false) return false;
-    if (Array.isArray(h.jours_personnalises) && h.jours_personnalises.length > 0) {
-      const customDay = h.jours_personnalises.find((jp: any) => {
-        const d = jp.date || jp.jour || '';
-        return d === targetDate || d.slice(0, 10) === targetDate;
-      });
-      if (customDay) return customDay.circule === true;
-    }
-    return false;
+  const getTomorrowDateStr = (d: Date = new Date()) => {
+    const tom = new Date(d);
+    tom.setDate(tom.getDate() + 1);
+    return getLocalDateStr(tom);
   };
 
-  // Filter and resolve departures for selectedStation
-  const stationDepartures: ResolvedDeparture[] = useMemo(() => {
-    if (!selectedStation || horairesDataList.length === 0) return [];
+  const isTrainCirculating = (h: any, targetDate: string = getLocalDateStr()) => {
+    return isTrainActiveOnDate(h, targetDate);
+  };
 
-    const selectedStationNorm = normalizeStationName(selectedStation);
-    const todayDateStr = getLocalDateStr();
-    const results: ResolvedDeparture[] = [];
-
-    for (const h of horairesDataList) {
-      if (!isTrainCirculating(h, todayDateStr)) continue;
-
-      let gares: any[] = [];
-      if (typeof h.gares_desservies === 'string') {
-        try { gares = JSON.parse(h.gares_desservies); } catch (e) { gares = []; }
-      } else if (Array.isArray(h.gares_desservies)) {
-        gares = h.gares_desservies;
-      }
-
-      const stopIndex = gares.findIndex(g => {
-        const gNomNorm = normalizeStationName(g.gare_nom || '');
-        return gNomNorm === selectedStationNorm || 
-               gNomNorm.includes(selectedStationNorm) || 
-               selectedStationNorm.includes(gNomNorm);
-      });
-
-      if (stopIndex !== -1) {
-        const stop = gares[stopIndex];
-        const isTerminus = stop.is_arrivee || (stopIndex === gares.length - 1 && !stop.heure_depart) || !stop.heure_depart;
-
-        if (!isTerminus) {
-          const lastStop = gares[gares.length - 1];
-          const destination = h.gare_arrivee_nom || lastStop?.gare_nom || "Terminus";
-          const departureTime = (stop.heure_depart || '').slice(0, 5);
-
-          // Track display logic
-          const currentStationType = garesTypeMap[selectedStationNorm] || 'ville';
-          const now = new Date();
-          const [depH, depM] = departureTime.split(':').map(Number);
-          const depMinutes = (isNaN(depH) ? 0 : depH) * 60 + (isNaN(depM) ? 0 : depM);
-          const currentMinutes = now.getHours() * 60 + now.getMinutes();
-          const diffMinutes = depMinutes - currentMinutes;
-
-          let displayQuai = '-';
-          if (stop.quai && stop.quai.trim() !== '') {
-            if (currentStationType === 'ville') {
-              if (diffMinutes <= 30) displayQuai = stop.quai;
-            } else {
-              if (diffMinutes <= 360) displayQuai = stop.quai;
-            }
-          }
-          if (displayQuai === '-' && stop.quai) {
-            displayQuai = stop.quai;
-          }
-
-          results.push({
-            id: `${h.id}-${stopIndex}`,
-            scheduledTime: departureTime,
-            destName: destination,
-            trainType: h.type_train || 'TRAIN MOBIGO',
-            trainNumber: h.numero_train || '',
-            trainLabel: `${h.type_train?.toUpperCase() || theme.operatorLabel || 'TER'} ${h.numero_train || ''}`.trim(),
-            track: displayQuai,
-            rawQuai: stop.quai,
-            sourceHoraire: h,
-          });
-        }
-      }
+  // Filter and resolve departures for selectedStation:
+  // - If departure time is passed for today, hide it.
+  // - If no departures remain today, display tomorrow's departures with "Plus aucun départ pour Aujourd'hui" info banner.
+  const { departures: stationDepartures, isShowingTomorrow } = useMemo(() => {
+    if (!selectedStation || horairesDataList.length === 0) {
+      return { departures: [], isShowingTomorrow: false };
     }
 
-    return results.sort((a, b) => a.scheduledTime.localeCompare(b.scheduledTime));
-  }, [selectedStation, horairesDataList, garesTypeMap, theme.operatorLabel]);
+    const selectedStationNorm = normalizeStationName(selectedStation);
+    const todayDateStr = getLocalDateStr(currentTime);
+    const tomorrowDateStr = getTomorrowDateStr(currentTime);
+    const nowTimeStr = `${String(currentTime.getHours()).padStart(2, '0')}:${String(currentTime.getMinutes()).padStart(2, '0')}`;
+
+    const resolveDeparturesForDate = (targetDateStr: string, isTomorrow: boolean = false): ResolvedDeparture[] => {
+      const results: ResolvedDeparture[] = [];
+
+      // Collect active substitution horaire IDs for targetDateStr
+      const substitutionHoraireIds = new Set<string>();
+      perturbationsList.forEach((p: any) => {
+        if (p.sillon_substitution_id && isPerturbationActiveOnDate(p, targetDateStr)) {
+          substitutionHoraireIds.add(String(p.sillon_substitution_id));
+        }
+      });
+
+      for (const h of horairesDataList) {
+        const isSub = substitutionHoraireIds.has(String(h.id)) || substitutionHoraireIds.has(String(h.numero_train));
+        const isCirculating = isTrainCirculating(h, targetDateStr);
+
+        // Circulate if normally circulating OR if designated as a substitution train
+        if (!isCirculating && !isSub) continue;
+
+        // Check for perturbations active strictly on this timetable's date (today or tomorrow)
+        const matchingPert = perturbationsList.find((p: any) => {
+          const trainMatch = 
+            p.horaire_id === h.id || 
+            String(p.horaire_id) === String(h.id) ||
+            String(p.horaire_id) === String(h.numero_train) ||
+            (p.numero_train && String(p.numero_train) === String(h.numero_train));
+          return trainMatch && isPerturbationActiveOnDate(p, targetDateStr);
+        });
+
+        // Resolve real-world route considering active perturbations (nouveau terminus, nouvelle origine, arrêt supprimé)
+        const resolvedParcours = resolvePerturbedRoute(h, matchingPert, {});
+        const gares = resolvedParcours.stops;
+
+        const stopIndex = gares.findIndex(g => {
+          const gNomNorm = normalizeStationName(g.gare_nom || '');
+          return gNomNorm === selectedStationNorm || 
+                 gNomNorm.includes(selectedStationNorm) || 
+                 selectedStationNorm.includes(gNomNorm);
+        });
+
+        if (stopIndex !== -1) {
+          const stop = gares[stopIndex];
+          const isTerminus = stop.is_nouveau_terminus || stop.is_arrivee || (stopIndex === gares.length - 1 && !stop.heure_depart) || !stop.heure_depart;
+
+          if (!isTerminus) {
+            const destination = resolvedParcours.destination;
+            const departureTime = (stop.heure_depart || stop.heure_arrivee || '').slice(0, 5);
+
+            // Track display logic
+            const currentStationType = garesTypeMap[selectedStationNorm] || 'ville';
+            const [depH, depM] = departureTime.split(':').map(Number);
+            const depMinutes = (isNaN(depH) ? 0 : depH) * 60 + (isNaN(depM) ? 0 : depM);
+            const currentMinutes = currentTime.getHours() * 60 + currentTime.getMinutes();
+            const diffMinutes = depMinutes - currentMinutes;
+
+            let displayQuai = '-';
+            const rawQ = stop.quai || stop.quai_reel;
+            if (rawQ && rawQ.trim() !== '' && !stop.is_supprime) {
+              if (isTomorrow) {
+                displayQuai = rawQ;
+              } else {
+                if (currentStationType === 'ville') {
+                  if (diffMinutes <= 30) displayQuai = rawQ;
+                } else {
+                  if (diffMinutes <= 360) displayQuai = rawQ;
+                }
+              }
+            }
+            if (displayQuai === '-' && rawQ && !stop.is_supprime) {
+              displayQuai = rawQ;
+            }
+
+            let pertType = matchingPert?.type_perturbation;
+            let delayMins: number | undefined = matchingPert?.duree_retard_minutes || undefined;
+            let isSupp = pertType === 'suppression' || Boolean(stop.is_supprime);
+            let pertCause = matchingPert?.cause || matchingPert?.cause_details || matchingPert?.titre;
+
+            if (stop.cause_arret) pertCause = stop.cause_arret;
+            if (stop.retard_minutes !== undefined && stop.retard_minutes > 0) {
+              delayMins = stop.retard_minutes;
+            }
+
+            const priority = getPerturbationPriority({
+              isSupprime: isSupp,
+              hasParcoursModification: resolvedParcours.hasParcoursModification,
+              perturbationType: pertType,
+              typesPerturbation: stop.types_perturbation,
+              delayMinutes: delayMins,
+            });
+
+            let revisedTimeStr: string | undefined = undefined;
+            let statusLabelStr: string | undefined = undefined;
+            let bannerStyle: any = undefined;
+
+            if (priority === 'suppression') {
+              isSupp = true;
+              const formattedCause = formatPerturbationCause(pertCause);
+              statusLabelStr = formattedCause ? `Train supprimé (${formattedCause})` : (stop.cause_arret || 'Train supprimé');
+              bannerStyle = getPerturbationBannerStyle('suppression');
+            } else if (priority === 'parcours_modifie') {
+              isSupp = false;
+              const formattedCause = formatPerturbationCause(matchingPert?.cause || pertCause);
+              const extraRouteInfo = resolvedParcours.nouveauTerminusNom ? `Terminus ${resolvedParcours.nouveauTerminusNom}` : (resolvedParcours.nouvelleOrigineNom ? `Origine ${resolvedParcours.nouvelleOrigineNom}` : '');
+              if (formattedCause && extraRouteInfo) {
+                statusLabelStr = `Modification de parcours : ${extraRouteInfo} (${formattedCause})`;
+              } else if (extraRouteInfo) {
+                statusLabelStr = `Modification de parcours : ${extraRouteInfo}`;
+              } else if (formattedCause) {
+                statusLabelStr = `Modification de parcours (${formattedCause})`;
+              } else {
+                statusLabelStr = 'Modification de parcours';
+              }
+              bannerStyle = getPerturbationBannerStyle('parcours_modifie');
+            } else if (priority === 'retard') {
+              isSupp = false;
+              const dMins = delayMins || 15;
+              const formattedCause = formatPerturbationCause(matchingPert?.cause || pertCause);
+              statusLabelStr = formattedCause ? `Retard estimé de ${dMins} min (${formattedCause})` : `Retard estimé de ${dMins} min`;
+              bannerStyle = getPerturbationBannerStyle('retard');
+              const [dH, dM] = departureTime.split(':').map(Number);
+              const totalM = (isNaN(dH) ? 0 : dH) * 60 + (isNaN(dM) ? 0 : dM) + dMins;
+              const rH = Math.floor(totalM / 60) % 24;
+              const rM = totalM % 60;
+              revisedTimeStr = `${String(rH).padStart(2, '0')}:${String(rM).padStart(2, '0')}`;
+            } else if (matchingPert) {
+              isSupp = false;
+              const formattedCause = formatPerturbationCause(matchingPert?.cause || pertCause);
+              statusLabelStr = formattedCause || matchingPert.titre || 'Information trafic';
+              bannerStyle = getPerturbationBannerStyle('information');
+            }
+
+            results.push({
+              id: `${h.id}-${stopIndex}`,
+              scheduledTime: departureTime,
+              revisedTime: revisedTimeStr,
+              destName: destination,
+              trainType: h.type_train || 'TRAIN MOBIGO',
+              trainNumber: h.numero_train || '',
+              trainLabel: `${h.type_train?.toUpperCase() || theme.operatorLabel || 'TER'} ${h.numero_train || ''}`.trim(),
+              track: displayQuai,
+              rawQuai: stop.quai || stop.quai_reel,
+              sourceHoraire: h,
+              isSupprime: isSupp,
+              isTrainSupplementaire: isSub,
+              statusLabel: statusLabelStr,
+              statusBannerStyle: bannerStyle,
+            });
+          }
+        }
+      }
+
+      return results.sort((a, b) => a.scheduledTime.localeCompare(b.scheduledTime));
+    };
+
+    // 1. Resolve today's departures
+    const allTodayDepartures = resolveDeparturesForDate(todayDateStr, false);
+
+    // 2. Filter out departures whose departure time has already passed for today
+    const activeTodayDepartures = allTodayDepartures.filter(dep => {
+      const effectiveTime = dep.revisedTime || dep.scheduledTime;
+      // Handle delay past midnight if applicable
+      if (dep.revisedTime && dep.revisedTime < dep.scheduledTime) {
+        if (nowTimeStr >= '12:00') return true;
+        return dep.revisedTime >= nowTimeStr;
+      }
+      return effectiveTime >= nowTimeStr;
+    });
+
+    // 3. If there are still departures today, display them
+    if (activeTodayDepartures.length > 0) {
+      return { departures: activeTodayDepartures, isShowingTomorrow: false };
+    }
+
+    // 4. No remaining departures today -> resolve and display tomorrow's departures
+    const tomorrowDepartures = resolveDeparturesForDate(tomorrowDateStr, true);
+    return { departures: tomorrowDepartures, isShowingTomorrow: true };
+  }, [selectedStation, horairesDataList, perturbationsList, garesTypeMap, theme.operatorLabel, currentTime]);
 
   const defaultPillStations = availableStations || [
     "Dijon", "Besançon Viotte", "Belfort", "Chalon-sur-Saône"
@@ -235,6 +384,16 @@ export default function StationDeparturesBoard({
           </div>
         )}
 
+        {/* Info banner when displaying tomorrow's departures because no departures remain today */}
+        {isShowingTomorrow && stationDepartures.length > 0 && (
+          <div className="bg-[#e8f4fc] px-3.5 py-2 text-[12px] text-[#0055a5] flex items-center gap-2 border border-[#d8ebf9] rounded-lg mb-3 font-medium">
+            <span className="w-4 h-4 rounded-full bg-[#0055a5] text-white flex items-center justify-center text-[10px] font-bold shrink-0">
+              i
+            </span>
+            <span>Plus aucun départ pour Aujourd&apos;hui</span>
+          </div>
+        )}
+
         {/* Table header */}
         <div 
           className="grid grid-cols-[55px_1fr_32px_40px] text-[11px] font-normal text-[#555555] pb-1 border-b-[1.5px]"
@@ -252,59 +411,108 @@ export default function StationDeparturesBoard({
         }`}>
           {stationDepartures.length > 0 ? (
             stationDepartures.map((dep, dIdx) => (
-              <div key={dep.id || dIdx} className="grid grid-cols-[55px_1fr_32px_40px] items-center py-2.5 hover:bg-gray-50/70 transition-colors rounded-sm px-0.5">
-                {/* Time */}
-                <div className="flex flex-col">
-                  <span className="text-[13.5px] font-semibold text-[#111111]">
-                    {dep.scheduledTime}
+              <div key={dep.id || dIdx} className="py-2.5 hover:bg-gray-50/70 transition-colors rounded-sm px-0.5">
+                <div className="grid grid-cols-[55px_1fr_32px_40px] items-center">
+                  {/* Time */}
+                  <div className="flex flex-col">
+                    {dep.isSupprime ? (
+                      <span className="text-[13.5px] font-semibold text-red-600 line-through">
+                        {dep.scheduledTime}
+                      </span>
+                    ) : dep.revisedTime ? (
+                      <div className="flex flex-col">
+                        <span className="text-[11px] text-gray-400 line-through leading-tight">
+                          {dep.scheduledTime}
+                        </span>
+                        <span className="text-[13.5px] font-bold text-red-600 leading-tight">
+                          {dep.revisedTime}
+                        </span>
+                      </div>
+                    ) : (
+                      <span className="text-[13.5px] font-semibold text-[#111111]">
+                        {dep.scheduledTime}
+                      </span>
+                    )}
+                  </div>
+
+                  {/* Destination */}
+                  <div className="pr-1">
+                    <div className="flex items-center gap-1.5 flex-wrap">
+                      <span className="font-semibold text-[13.5px] text-[#111111] leading-tight line-clamp-1">
+                        {dep.destName}
+                      </span>
+                      {dep.isTrainSupplementaire && (
+                        <span className="bg-[#6f42c1] text-white text-[9px] font-bold px-1.5 py-0.5 rounded leading-none shrink-0 tracking-wide uppercase">
+                          Train Supplémentaire
+                        </span>
+                      )}
+                    </div>
+                    <div className="flex items-center text-[11px] text-[#666666] mt-0.5">
+                      <span 
+                        className="material-icons text-[13px] mr-1"
+                        style={{ color: theme.primary }}
+                      >
+                        train
+                      </span>
+                      <span className="truncate">{dep.trainLabel}</span>
+                    </div>
+                  </div>
+
+                  {/* Voie / Quai */}
+                  <span className={`text-center font-medium text-[13px] ${
+                    dep.track !== '-' ? 'font-bold rounded-xs px-1 py-0.5' : 'text-[#666666]'
+                  }`}
+                  style={dep.track !== '-' ? { backgroundColor: theme.primaryLight, color: theme.primary } : undefined}
+                  >
+                    {dep.track}
                   </span>
+                  
+                  {/* Buy / Action Button */}
+                  <button 
+                    type="button"
+                    onClick={() => {
+                      if (onAddToCart) {
+                        const ticketDate = new Date(currentTime);
+                        if (isShowingTomorrow) {
+                          ticketDate.setDate(ticketDate.getDate() + 1);
+                        }
+                        onAddToCart({
+                          id: Date.now() + dIdx,
+                          title: `Billet ${selectedStation} → ${dep.destName}`,
+                          price: 12.00,
+                          date: ticketDate.toLocaleDateString('fr-FR')
+                        });
+                      }
+                    }}
+                    className="px-2 py-0.5 rounded-full flex items-center justify-center gap-0.5 cursor-pointer transition-colors ml-auto shadow-2xs hover:opacity-90"
+                    style={{ backgroundColor: theme.primaryLight, color: theme.primary }}
+                    title={`Acheter un billet pour ${dep.destName}`}
+                  >
+                    <span className="material-icons text-[14px]">shopping_basket</span>
+                    <span className="font-bold text-[10px]">›</span>
+                  </button>
                 </div>
 
-                {/* Destination */}
-                <div className="pr-1">
-                  <div className="font-semibold text-[13.5px] text-[#111111] leading-tight line-clamp-1">
-                    {dep.destName}
-                  </div>
-                  <div className="flex items-center text-[11px] text-[#666666] mt-0.5">
+                {/* Status banner (retardé, supprimé, modification de parcours) */}
+                {dep.statusLabel && dep.statusBannerStyle && (
+                  <div 
+                    className="mt-1.5 px-2 py-1 rounded text-[11px] flex items-center gap-1.5 shadow-2xs font-medium"
+                    style={{
+                      backgroundColor: dep.statusBannerStyle.bgColor,
+                      color: dep.statusBannerStyle.textColor,
+                    }}
+                  >
                     <span 
-                      className="material-icons text-[13px] mr-1"
-                      style={{ color: theme.primary }}
+                      className="w-3.5 h-3.5 rounded-full text-white flex items-center justify-center text-[9px] font-bold shrink-0"
+                      style={{ backgroundColor: dep.statusBannerStyle.iconBgColor }}
                     >
-                      train
+                      {dep.statusBannerStyle.iconText}
+                    </span>
+                    <span className="truncate font-semibold">
+                      {dep.statusLabel}
                     </span>
-                    <span className="truncate">{dep.trainLabel}</span>
                   </div>
-                </div>
-
-                {/* Voie / Quai */}
-                <span className={`text-center font-medium text-[13px] ${
-                  dep.track !== '-' ? 'font-bold rounded-xs px-1 py-0.5' : 'text-[#666666]'
-                }`}
-                style={dep.track !== '-' ? { backgroundColor: theme.primaryLight, color: theme.primary } : undefined}
-                >
-                  {dep.track}
-                </span>
-                
-                {/* Buy / Action Button */}
-                <button 
-                  type="button"
-                  onClick={() => {
-                    if (onAddToCart) {
-                      onAddToCart({
-                        id: Date.now() + dIdx,
-                        title: `Billet ${selectedStation} → ${dep.destName}`,
-                        price: 12.00,
-                        date: new Date().toLocaleDateString('fr-FR')
-                      });
-                    }
-                  }}
-                  className="px-2 py-0.5 rounded-full flex items-center justify-center gap-0.5 cursor-pointer transition-colors ml-auto shadow-2xs hover:opacity-90"
-                  style={{ backgroundColor: theme.primaryLight, color: theme.primary }}
-                  title={`Acheter un billet pour ${dep.destName}`}
-                >
-                  <span className="material-icons text-[14px]">shopping_basket</span>
-                  <span className="font-bold text-[10px]">›</span>
-                </button>
+                )}
               </div>
             ))
           ) : (

src/components/TimetableSearchForm.tsx

@@ -79,6 +79,16 @@ const DISCOUNT_CARDS = [
 
 const TIME_SLOTS = Array.from({ length: 24 }, (_, i) => `${String(i).padStart(2, '0')}:00`);
 
+const formatDisplayDate = (d: Date): string => {
+  const daysShort = ['Dim.', 'Lun.', 'Mar.', 'Mer.', 'Jeu.', 'Ven.', 'Sam.'];
+  const monthsShort = ['janv.', 'févr.', 'mars', 'avr.', 'mai', 'juin', 'juil.', 'août', 'sept.', 'oct.', 'nov.', 'déc.'];
+  return `${daysShort[d.getDay()]} ${d.getDate()} ${monthsShort[d.getMonth()]}`;
+};
+
+const formatDisplayTime = (d: Date): string => {
+  return `${String(d.getHours()).padStart(2, '0')}:00`;
+};
+
 export default function TimetableSearchForm({
   initialDeparture = '',
   initialArrival = '',
@@ -104,15 +114,19 @@ export default function TimetableSearchForm({
 
   const theme = getRegionTheme(currentRegionSlug);
 
+  // Current date tracking
+  const [selectedOutwardDate, setSelectedOutwardDate] = useState<Date>(() => new Date());
+  const [selectedReturnDate, setSelectedReturnDate] = useState<Date>(() => new Date());
+
   // Form states
   const [departureStation, setDepartureStation] = useState(initialDeparture);
   const [arrivalStation, setArrivalStation] = useState(initialArrival);
   const [viaStation, setViaStation] = useState('');
   const [showVia, setShowVia] = useState(false);
-  const [outwardDate, setOutwardDate] = useState('Dim. 20 sept.');
-  const [outwardTime, setOutwardTime] = useState('16:00');
+  const [outwardDate, setOutwardDate] = useState(() => formatDisplayDate(new Date()));
+  const [outwardTime, setOutwardTime] = useState(() => formatDisplayTime(new Date()));
   const [hasReturn, setHasReturn] = useState(false);
-  const [returnDate, setReturnDate] = useState('Dim. 20 sept.');
+  const [returnDate, setReturnDate] = useState(() => formatDisplayDate(new Date()));
   const [returnTime, setReturnTime] = useState('--:--');
 
   // Interactive active field panel state
@@ -121,15 +135,29 @@ export default function TimetableSearchForm({
   // Station database items
   const [allStations, setAllStations] = useState<string[]>(DEFAULT_STATIONS);
 
-  // Calendar state for date picker (default September 20, 2026)
-  const [calendarDate, setCalendarDate] = useState<Date>(new Date(2026, 8, 20)); // Month 8 is Sept
-  const [selectedDayNumber, setSelectedDayNumber] = useState<number>(20);
+  // Calendar state for date picker (synchronized with current date)
+  const [calendarDate, setCalendarDate] = useState<Date>(() => {
+    const n = new Date();
+    return new Date(n.getFullYear(), n.getMonth(), 1);
+  });
+  const [selectedDayNumber, setSelectedDayNumber] = useState<number>(() => new Date().getDate());
 
   // Passenger state matching Img 1
   const [passengers, setPassengers] = useState<PassengerInfo[]>([
     { id: 1, age: '', discountCard: 'Carte de réduction (optionnel)' }
   ]);
 
+  // Synchronize calendar view when switching active field
+  useEffect(() => {
+    if (activeField === 'outwardDate') {
+      setCalendarDate(new Date(selectedOutwardDate.getFullYear(), selectedOutwardDate.getMonth(), 1));
+      setSelectedDayNumber(selectedOutwardDate.getDate());
+    } else if (activeField === 'returnDate') {
+      setCalendarDate(new Date(selectedReturnDate.getFullYear(), selectedReturnDate.getMonth(), 1));
+      setSelectedDayNumber(selectedReturnDate.getDate());
+    }
+  }, [activeField, selectedOutwardDate, selectedReturnDate]);
+
   // Priority: URL searchParams > props > sessionStorage > default
   useEffect(() => {
     // 1. Try from URL search params
@@ -344,7 +372,14 @@ export default function TimetableSearchForm({
   const daysInMonth = new Date(year, month + 1, 0).getDate();
   const firstDayOfWeek = (new Date(year, month, 1).getDay() + 6) % 7; // Mon = 0
 
+  const todayObj = new Date();
+  todayObj.setHours(0, 0, 0, 0);
+  const minMonthDate = new Date(todayObj.getFullYear(), todayObj.getMonth(), 1);
+  const currentMonthDate = new Date(year, month, 1);
+  const isPrevMonthDisabled = currentMonthDate <= minMonthDate;
+
   const handlePrevMonth = () => {
+    if (isPrevMonthDisabled) return;
     setCalendarDate(new Date(year, month - 1, 1));
   };
 
@@ -355,13 +390,28 @@ export default function TimetableSearchForm({
   const handleSelectDay = (dayNum: number) => {
     setSelectedDayNumber(dayNum);
     const d = new Date(year, month, dayNum);
-    const daysShort = ['Dim.', 'Lun.', 'Mar.', 'Mer.', 'Jeu.', 'Ven.', 'Sam.'];
-    const monthsShort = ['janv.', 'févr.', 'mars', 'avr.', 'mai', 'juin', 'juil.', 'août', 'sept.', 'oct.', 'nov.', 'déc.'];
-    const formatted = `${daysShort[d.getDay()]} ${dayNum} ${monthsShort[d.getMonth()]}`;
+    const formatted = formatDisplayDate(d);
 
     if (activeField === 'outwardDate') {
+      setSelectedOutwardDate(d);
       setOutwardDate(formatted);
+
+      // If selected date is today and outwardTime is in the past, adjust outwardTime to current hour
+      const now = new Date();
+      if (d.toDateString() === now.toDateString()) {
+        const [outH] = outwardTime.split(':').map(Number);
+        if (outH < now.getHours()) {
+          setOutwardTime(formatDisplayTime(now));
+        }
+      }
+
+      // If return date is earlier than outward date, bump return date
+      if (hasReturn && selectedReturnDate < d) {
+        setSelectedReturnDate(d);
+        setReturnDate(formatted);
+      }
     } else if (activeField === 'returnDate') {
+      setSelectedReturnDate(d);
       setReturnDate(formatted);
       setHasReturn(true);
     }
@@ -721,7 +771,13 @@ export default function TimetableSearchForm({
                   <button 
                     onClick={handlePrevMonth}
                     type="button"
-                    className="p-1 text-gray-400 hover:text-black transition-colors"
+                    disabled={isPrevMonthDisabled}
+                    className={`p-1 transition-colors ${
+                      isPrevMonthDisabled
+                        ? 'text-gray-200 cursor-not-allowed opacity-30'
+                        : 'text-gray-400 hover:text-black cursor-pointer'
+                    }`}
+                    title={isPrevMonthDisabled ? 'Mois antérieur non sélectionnable' : 'Mois précédent'}
                   >
                     <span className="material-icons text-[18px]">chevron_left</span>
                   </button>
@@ -755,10 +811,15 @@ export default function TimetableSearchForm({
                   const isSelected = dayNum === selectedDayNumber;
                   const today = new Date();
                   today.setHours(0, 0, 0, 0);
-                  const sevenDaysAgo = new Date(today);
-                  sevenDaysAgo.setDate(sevenDaysAgo.getDate() - 7);
+
+                  const minAllowedDate = activeField === 'returnDate'
+                    ? (new Date(selectedOutwardDate.getFullYear(), selectedOutwardDate.getMonth(), selectedOutwardDate.getDate()) > today
+                        ? new Date(selectedOutwardDate.getFullYear(), selectedOutwardDate.getMonth(), selectedOutwardDate.getDate())
+                        : today)
+                    : today;
+
                   const dayDate = new Date(year, month, dayNum, 0, 0, 0, 0);
-                  const isPastDate = dayDate < sevenDaysAgo;
+                  const isPastDate = dayDate < minAllowedDate;
 
                   return (
                     <button
@@ -774,7 +835,7 @@ export default function TimetableSearchForm({
                           ? 'font-bold shadow-xs scale-105'
                           : 'hover:bg-gray-100 text-gray-800 cursor-pointer'
                       }`}
-                      title={isPastDate ? 'Date passée' : undefined}
+                      title={isPastDate ? 'Date antérieure non sélectionnable' : undefined}
                     >
                       {dayNum}
                     </button>
@@ -797,9 +858,24 @@ export default function TimetableSearchForm({
                   const isSelected = slot === currentSelected;
 
                   const now = new Date();
-                  const isTodaySelected = (year === now.getFullYear() && month === now.getMonth() && selectedDayNumber === now.getDate());
+                  const currentHour = now.getHours();
                   const slotHour = parseInt(slot.split(':')[0], 10);
-                  const isPastTime = isTodaySelected && slotHour < now.getHours();
+
+                  let isPastTime = false;
+                  if (activeField === 'outwardTime') {
+                    const isToday = selectedOutwardDate.toDateString() === now.toDateString();
+                    isPastTime = isToday && slotHour < currentHour;
+                  } else if (activeField === 'returnTime') {
+                    const isReturnToday = selectedReturnDate.toDateString() === now.toDateString();
+                    const isSameDayAsOutward = selectedReturnDate.toDateString() === selectedOutwardDate.toDateString();
+                    const outwardHour = parseInt(outwardTime.split(':')[0], 10);
+
+                    if (isReturnToday && slotHour < currentHour) {
+                      isPastTime = true;
+                    } else if (isSameDayAsOutward && !isNaN(outwardHour) && slotHour < outwardHour) {
+                      isPastTime = true;
+                    }
+                  }
 
                   return (
                     <div
@@ -819,7 +895,7 @@ export default function TimetableSearchForm({
                           ? 'font-bold cursor-pointer border-b'
                           : 'border-b text-gray-900 hover:opacity-80 cursor-pointer'
                       }`}
-                      title={isPastTime ? 'Heure passée' : undefined}
+                      title={isPastTime ? 'Heure passée non sélectionnable' : undefined}
                     >
                       {slot}
                     </div>

src/components/TrainDetailsClient.tsx

@@ -1,10 +1,14 @@
 "use client";
 
 import React, { useState, useEffect } from 'react';
+import Link from 'next/link';
 import { supabase } from '@/lib/supabase';
 import { getRegionTheme } from '@/lib/regionTheme';
 import SiteHeader from '@/components/SiteHeader';
 import SiteFooter from '@/components/SiteFooter';
+import { isPerturbationActiveOnDate, formatPerturbationCause, getPerturbationPriority, getPerturbationBannerStyle } from '@/lib/perturbationUtils';
+import { resolveEffectiveMateriel } from '@/lib/materielUtils';
+import { resolvePerturbedRoute } from '@/lib/parcoursUtils';
 
 interface StopItem {
   gare_id?: string;
@@ -15,6 +19,11 @@ interface StopItem {
   duree_arret?: string;
   is_depart?: boolean;
   is_arrivee?: boolean;
+  is_nouveau_terminus?: boolean;
+  is_nouvelle_origine?: boolean;
+  is_added_manually?: boolean;
+  is_supprime?: boolean;
+  cause_arret?: string;
 }
 
 interface TrainDetailsClientProps {
@@ -34,11 +43,17 @@ export default function TrainDetailsClient({
   const [stops, setStops] = useState<StopItem[]>([]);
   const [delayMinutes, setDelayMinutes] = useState<number>(0);
   const [destination, setDestination] = useState<string>('Terminus');
+  const [provenance, setProvenance] = useState<string>('Origine');
   const [operatorInfo, setOperatorInfo] = useState<string>('SNCF Voyageurs');
   const [trainType, setTrainType] = useState<string>('TER');
 
+  const [nouveauTerminusNom, setNouveauTerminusNom] = useState<string | null>(null);
+  const [nouvelleOrigineNom, setNouvelleOrigineNom] = useState<string | null>(null);
+  const [hasParcoursModifie, setHasParcoursModifie] = useState<boolean>(false);
+
   const [materielInfo, setMaterielInfo] = useState<{ nom: string, nom_technique?: string, imageUrl: string, places: number, voitures: number } | null>(null);
-  const [perturbationInfo, setPerturbationInfo] = useState<{ type: string, delayMinutes: number, message: string } | null>(null);
+  const [perturbationInfo, setPerturbationInfo] = useState<{ type: string, delayMinutes: number, message: string; cause?: string; causeDetails?: string } | null>(null);
+  const [substitutionInfo, setSubstitutionInfo] = useState<{ type: string, numero: string, depart: string, arrivee: string, heureDepart: string, heureArrivee: string } | null>(null);
 
   const currentDateDisplay = dateStr || new Date().toLocaleDateString('fr-FR', { day: '2-digit', month: '2-digit', year: 'numeric' });
 
@@ -78,7 +93,18 @@ export default function TrainDetailsClient({
           setMenuStructure(mData[0].structure);
         }
 
-        // 2. Fetch train details
+        // 2. Fetch gares for name mapping
+        const { data: gDataAll } = await supabase.from('gares').select('id, nom, type');
+        const gMap: Record<string, string> = {};
+        const garesTypeMap: Record<string, string> = {};
+        if (gDataAll) {
+          gDataAll.forEach((g: any) => {
+            gMap[g.id] = g.nom;
+            garesTypeMap[g.id] = g.type || 'ville';
+          });
+        }
+
+        // 3. Fetch train details
         const { data: hData } = await supabase
           .from('horaires')
           .select('*')
@@ -91,155 +117,166 @@ export default function TrainDetailsClient({
           const h = hData[0];
           setTrainType(h.type_train?.toUpperCase() || 'TER');
 
-          if (h.gare_arrivee_nom) {
-            setDestination(h.gare_arrivee_nom);
-          } else if (h.gare_arrivee_id) {
-            const { data: gArr } = await supabase
-              .from('gares')
-              .select('nom')
-              .eq('id', h.gare_arrivee_id)
-              .single();
-            if (gArr) setDestination(gArr.nom);
-          }
-
-          
-          // Fetch perturbations
+          // Date format conversion
           const parts = currentDateDisplay.split('/');
           const targetIsoDate = parts.length === 3 ? `${parts[2]}-${parts[1]}-${parts[0]}` : new Date().toISOString().split('T')[0];
-          
+
+          // 4. Fetch perturbations active on this target date
           const { data: pertData } = await supabase.from('perturbations').select('*').eq('actif', true);
           let currentDelay = 0;
-          let pArrets: any[] = [];
-          
+          let matchingPert: any = null;
+
           if (pertData) {
-            const matchingPert = pertData.find((p: any) => {
-              const matchTrain = p.horaire_id === h.id || p.horaire_id === h.numero_train;
+            matchingPert = pertData.find((p: any) => {
+              const matchTrain = 
+                p.horaire_id === h.id || 
+                String(p.horaire_id) === String(h.id) ||
+                String(p.horaire_id) === String(h.numero_train) ||
+                (p.numero_train && String(p.numero_train) === String(h.numero_train));
               if (!matchTrain) return false;
-              
-              const pStart = (p.date_debut || '').slice(0, 10);
-              const pEnd = (p.date_fin || '').slice(0, 10);
-              
-              if (pStart && pEnd && pStart <= targetIsoDate && targetIsoDate <= pEnd) return true;
-              
-              if (p.jours_perturbation && Array.isArray(p.jours_perturbation)) {
-                return p.jours_perturbation.some((jp: any) => {
-                  const d = (jp.date || jp.dateDebut || '').slice(0, 10);
-                  return d === targetIsoDate;
-                });
-              }
-              return !pStart && !pEnd && (!p.jours_perturbation || p.jours_perturbation.length === 0);
+              return isPerturbationActiveOnDate(p, targetIsoDate);
             });
 
             if (matchingPert) {
-              pArrets = Array.isArray(matchingPert.perturbations_arrets) ? matchingPert.perturbations_arrets : [];
+              const pArrets = Array.isArray(matchingPert.perturbations_arrets) 
+                ? matchingPert.perturbations_arrets 
+                : Array.isArray(matchingPert.perturbations_arrets?.arrets)
+                ? matchingPert.perturbations_arrets.arrets
+                : [];
               
-              // Find max delay in perturbations_arrets
               let maxArretsDelay = 0;
-              pArrets.forEach(pa => {
+              pArrets.forEach((pa: any) => {
                 if (pa.retard_cumule > maxArretsDelay) maxArretsDelay = pa.retard_cumule;
                 if (pa.retard_entrant > maxArretsDelay) maxArretsDelay = pa.retard_entrant;
               });
 
               currentDelay = maxArretsDelay > 0 ? maxArretsDelay : (matchingPert.duree_retard_minutes || 0);
 
+              const formattedCause = formatPerturbationCause(matchingPert.cause);
+              const detailMsg = matchingPert.cause_details || matchingPert.notes || '';
+              const displayMsg = formattedCause && detailMsg ? `${formattedCause} : ${detailMsg}` : (formattedCause || detailMsg);
+
               setPerturbationInfo({
                 type: matchingPert.type_perturbation || 'Retard',
                 delayMinutes: currentDelay,
-                message: matchingPert.cause_details || matchingPert.notes || '',
+                message: displayMsg,
+                cause: formattedCause,
+                causeDetails: matchingPert.cause_details || matchingPert.notes || '',
               });
               setDelayMinutes(currentDelay);
-            }
-          }
-// Fetch materiel roulant
-          if (h.composition_train && Array.isArray(h.composition_train) && h.composition_train.length > 0) {
-            const firstMat = h.composition_train[0];
-            if (firstMat.materiel_image_url) {
-              setMaterielInfo({
-                nom: firstMat.materiel_nom || 'Train',
-                nom_technique: firstMat.materiel_nom_technique,
-                imageUrl: firstMat.materiel_image_url,
-                places: firstMat.materiel_nb_places || 163,
-                voitures: firstMat.materiel_voitures || 3,
-              });
-            }
-          }
 
-          if (h.gares_desservies) {
-            let parsedStops: any[] = [];
-            if (typeof h.gares_desservies === 'string') {
-              try { parsedStops = JSON.parse(h.gares_desservies); } catch (e) { parsedStops = []; }
-            } else if (Array.isArray(h.gares_desservies)) {
-              parsedStops = h.gares_desservies;
-            }
+              // Fetch substitution train if defined
+              if (matchingPert.sillon_substitution_id) {
+                const { data: subHData } = await supabase
+                  .from('horaires')
+                  .select('*')
+                  .eq('id', matchingPert.sillon_substitution_id)
+                  .single();
 
-            if (parsedStops.length > 0) {
-              // Fetch types for gares to apply quai logic
-              const stopGareIds = parsedStops.map(s => s.gare_id).filter(Boolean);
-              let garesTypeMap: Record<string, string> = {};
-              if (stopGareIds.length > 0) {
-                const { data: gData } = await supabase.from('gares').select('id, type').in('id', stopGareIds);
-                if (gData) {
-                  gData.forEach(g => {
-                    garesTypeMap[g.id] = g.type || 'ville';
+                if (subHData) {
+                  let subStops: any[] = [];
+                  if (typeof subHData.gares_desservies === 'string') {
+                    try { subStops = JSON.parse(subHData.gares_desservies); } catch (e) { subStops = []; }
+                  } else if (Array.isArray(subHData.gares_desservies)) {
+                    subStops = subHData.gares_desservies;
+                  }
+                  const sDepNom = subHData.gare_depart_nom || subStops[0]?.gare_nom || gMap[subHData.gare_depart_id] || 'Départ';
+                  const sArrNom = subHData.gare_arrivee_nom || subStops[subStops.length - 1]?.gare_nom || gMap[subHData.gare_arrivee_id] || 'Arrivée';
+                  const sDepH = (subHData.heure_depart || subStops[0]?.heure_depart || '').slice(0, 5);
+                  const sArrH = (subHData.heure_arrivee || subStops[subStops.length - 1]?.heure_arrivee || '').slice(0, 5);
+
+                  setSubstitutionInfo({
+                    type: subHData.type_train || 'Car MOBIGO',
+                    numero: subHData.numero_train || '',
+                    depart: sDepNom,
+                    arrivee: sArrNom,
+                    heureDepart: sDepH,
+                    heureArrivee: sArrH,
                   });
                 }
               }
-
-              const now = new Date();
-              const currentMinutes = now.getHours() * 60 + now.getMinutes();
-
-              
-              const resolved: StopItem[] = parsedStops.map((s, idx) => {
-                const prev = s.heure_depart || s.heure_arrivee || '12:00';
-                let est = prev;
-                
-                // Get delay specifically for this stop
-                const stopPert = pArrets.find(pa => pa.gare_nom === s.gare_nom || pa.gare_id === s.gare_id);
-                const stopDelay = stopPert && stopPert.retard_cumule !== undefined ? stopPert.retard_cumule : currentDelay;
-                
-                if (stopDelay > 0) {
-                  const [hh, mm] = prev.split(':').map(Number);
-                  const totalMin = (hh * 60 + mm + stopDelay) % 1440;
-                  const newH = String(Math.floor(totalMin / 60)).padStart(2, '0');
-                  const newM = String(totalMin % 60).padStart(2, '0');
-                  est = `${newH}:${newM}`;
-                }
-
-
-                // Logic for displaying Quai/Voie
-                let displayVoie = undefined;
-                if (s.quai) {
-                  const type = s.gare_id ? garesTypeMap[s.gare_id] || 'ville' : 'ville';
-                  const [depH, depM] = prev.split(':').map(Number);
-                  const depMinutes = (isNaN(depH) ? 0 : depH) * 60 + (isNaN(depM) ? 0 : depM);
-                  const diffMinutes = depMinutes - currentMinutes;
-
-                  if (type === 'ville') {
-                    if (diffMinutes <= 30) displayVoie = `Voie ${s.quai}`;
-                  } else if (type === 'interurbaine') {
-                    if (diffMinutes <= 360) displayVoie = `Voie ${s.quai}`;
-                  } else {
-                    if (diffMinutes <= 1440) displayVoie = `Voie ${s.quai}`;
-                  }
-                }
-
-                return {
-                  gare_nom: s.gare_nom || `Arrêt ${idx + 1}`,
-                  heure_prevue: prev.slice(0, 5),
-                  heure_estimee: est.slice(0, 5),
-                  voie: displayVoie,
-                  duree_arret: idx > 0 && idx < parsedStops.length - 1 ? "30 secondes d'arrêt" : undefined,
-                  is_depart: idx === 0,
-                  is_arrivee: idx === parsedStops.length - 1,
-                };
-              });
-
-              setStops(resolved);
-              if (!h.gare_arrivee_nom && !h.gare_arrivee_id) {
-                 setDestination(resolved[resolved.length - 1].gare_nom);
-              }
             }
           }
+
+          // 5. Resolve real-world route considering perturbation (nouveau terminus, nouvelle origine, arrêt supprimé, retards)
+          const resolvedParcours = resolvePerturbedRoute(h, matchingPert, gMap);
+          setDestination(resolvedParcours.destination);
+          setProvenance(resolvedParcours.provenance);
+          setNouveauTerminusNom(resolvedParcours.nouveauTerminusNom || null);
+          setNouvelleOrigineNom(resolvedParcours.nouvelleOrigineNom || null);
+          setHasParcoursModifie(resolvedParcours.hasParcoursModification);
+
+          // 6. Fetch and resolve effective rolling stock (handling unavailable matériel & reassignments)
+          const { data: allMats } = await supabase.from('materiel-roulant').select('*');
+          const effectiveMat = resolveEffectiveMateriel(h.composition_train, allMats || [], {
+            modeleTrain: h.modele_train || 'Train',
+            capaciteTexte: h.capacite_texte,
+            imageUrl: h.image_materiel || undefined
+          });
+
+          if (effectiveMat.imageUrl) {
+            setMaterielInfo({
+              nom: effectiveMat.nom,
+              nom_technique: effectiveMat.nomTechnique,
+              imageUrl: effectiveMat.imageUrl,
+              places: effectiveMat.places,
+              voitures: effectiveMat.voitures,
+            });
+          }
+
+          // 7. Resolve timeline stops from resolvedParcours
+          const now = new Date();
+          const currentMinutes = now.getHours() * 60 + now.getMinutes();
+
+          const resolved: StopItem[] = resolvedParcours.stops.map((s, idx) => {
+            const prev = s.heure_depart || s.heure_arrivee || '12:00';
+            let est = prev;
+
+            const stopDelay = s.retard_cumule !== undefined ? s.retard_cumule : (s.retard_minutes !== undefined ? s.retard_minutes : currentDelay);
+            if (stopDelay > 0 && !s.is_supprime) {
+              const [hh, mm] = prev.split(':').map(Number);
+              const totalMin = (hh * 60 + mm + stopDelay) % 1440;
+              const newH = String(Math.floor(totalMin / 60)).padStart(2, '0');
+              const newM = String(totalMin % 60).padStart(2, '0');
+              est = `${newH}:${newM}`;
+            }
+
+            // Logic for displaying Quai/Voie
+            let displayVoie = undefined;
+            const rawQ = s.quai || s.quai_reel;
+            if (rawQ && !s.is_supprime) {
+              const type = s.gare_id ? garesTypeMap[s.gare_id] || 'ville' : 'ville';
+              const [depH, depM] = prev.split(':').map(Number);
+              const depMinutes = (isNaN(depH) ? 0 : depH) * 60 + (isNaN(depM) ? 0 : depM);
+              const diffMinutes = depMinutes - currentMinutes;
+
+              if (type === 'ville') {
+                if (diffMinutes <= 30) displayVoie = `Voie ${rawQ}`;
+              } else if (type === 'interurbaine') {
+                if (diffMinutes <= 360) displayVoie = `Voie ${rawQ}`;
+              } else {
+                if (diffMinutes <= 1440) displayVoie = `Voie ${rawQ}`;
+              }
+            }
+
+            return {
+              gare_id: s.gare_id,
+              gare_nom: s.gare_nom || `Arrêt ${idx + 1}`,
+              heure_prevue: prev.slice(0, 5),
+              heure_estimee: est.slice(0, 5),
+              voie: displayVoie,
+              duree_arret: idx > 0 && idx < resolvedParcours.stops.length - 1 && !s.is_supprime ? "30 secondes d'arrêt" : undefined,
+              is_depart: s.is_depart,
+              is_arrivee: s.is_arrivee,
+              is_nouveau_terminus: s.is_nouveau_terminus,
+              is_nouvelle_origine: s.is_nouvelle_origine,
+              is_added_manually: s.is_added_manually,
+              is_supprime: s.is_supprime,
+              cause_arret: s.cause_arret,
+            };
+          });
+
+          setStops(resolved);
         }
       } catch (err) {
         console.error('Error loading train details:', err);
@@ -247,7 +284,7 @@ export default function TrainDetailsClient({
     };
 
     fetchTrainDetails();
-  }, [trainNumber, regionSlug]);
+  }, [trainNumber, regionSlug, currentDateDisplay]);
 
   const darkenColor = (hex: string, amount: number) => {
     const num = parseInt(hex.replace('#', ''), 16);
@@ -260,6 +297,8 @@ export default function TrainDetailsClient({
   const darkBg = darkenColor(theme.primary, 60);
 
   const isSuppressed = perturbationInfo?.type?.toLowerCase() === 'suppression';
+  const isParcoursModifie = hasParcoursModifie || perturbationInfo?.type === 'modification_parcours';
+  const activeServedStopsCount = stops.filter(s => !s.is_supprime).length;
 
   return (
     <div className="min-h-screen text-gray-900 font-sans flex flex-col justify-between" style={{ backgroundColor: '#f0f3f8' }}>
@@ -268,7 +307,7 @@ export default function TrainDetailsClient({
         <SiteHeader regionSlug={regionSlug} menuStructure={menuStructure} />
 
         {/* ═══════════════════════════════════════════════════════ */}
-        {/*  SECTION 1: Dark theme header area (Image 2 style)    */}
+        {/*  SECTION 1: Dark theme header area                     */}
         {/* ═══════════════════════════════════════════════════════ */}
         <div style={{ backgroundColor: darkBg }}>
           <div className="py-3.5 px-4" style={{ backgroundColor: darkBg }}>
@@ -308,7 +347,7 @@ export default function TrainDetailsClient({
                     <svg viewBox="0 0 24 24" className="w-[14px] h-[14px] fill-current opacity-80" xmlns="http://www.w3.org/2000/svg">
                       <path d="M3.9 12c0-1.71 1.39-3.1 3.1-3.1h4V7H7c-2.76 0-5 2.24-5 5s2.24 5 5 5h4v-1.9H7c-1.71 0-3.1-1.39-3.1-3.1zM8 13h8v-2H8v2zm9-6h-4v1.9h4c1.71 0 3.1 1.39 3.1 3.1s-1.39 3.1-3.1 3.1h-4V17h4c2.76 0 5-2.24 5-5s-2.24-5-5-5z"/>
                     </svg>
-                    {stops.length} arrêts
+                    {activeServedStopsCount} arrêts desservis
                   </span>
                   <span className="flex items-center gap-1.5">
                     <svg viewBox="0 0 24 24" className="w-[15px] h-[15px] fill-current opacity-80" xmlns="http://www.w3.org/2000/svg">
@@ -440,47 +479,122 @@ export default function TrainDetailsClient({
                 </div>
               </div>
 
-              {/* ─── CARD: PERTURBATION (Retard ou Suppression) ─── */}
-              {perturbationInfo && (
-                <div className={`bg-white rounded-2xl p-4 shadow-sm border flex items-center justify-between gap-3 mt-4 ${isSuppressed ? 'border-red-200' : 'border-gray-100'}`}>
+              {/* ─── CARD: PERTURBATION (Strict priority: Supprimé > Modification de parcours > Retardé > A l'heure) ─── */}
+              {perturbationInfo && (() => {
+                const priority = getPerturbationPriority({
+                  isSupprime: isSuppressed,
+                  hasParcoursModification: isParcoursModifie,
+                  perturbationType: perturbationInfo.type,
+                  delayMinutes: delayMinutes,
+                });
+
+                if (priority === 'a_l_heure' && !perturbationInfo.causeDetails) return null;
+
+                const isSupp = priority === 'suppression';
+                const isModif = priority === 'parcours_modifie';
+
+                return (
+                  <div className={`bg-white rounded-2xl p-4 shadow-sm border flex items-center justify-between gap-3 mt-4 ${
+                    isSupp ? 'border-red-200' : isModif ? 'border-blue-200' : 'border-orange-200'
+                  }`}>
+                    <div className="flex items-center gap-3">
+                      <div className={`w-6 h-6 rounded-full text-white flex items-center justify-center shrink-0 ${
+                        isSupp ? 'bg-red-600' : isModif ? 'bg-[#0066a4]' : 'bg-[#e65100]'
+                      }`}>
+                        {isSupp ? (
+                          <svg viewBox="0 0 24 24" className="w-3.5 h-3.5 fill-current" xmlns="http://www.w3.org/2000/svg">
+                            <path d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/>
+                          </svg>
+                        ) : isModif ? (
+                          <span className="text-[13px] font-bold leading-none">↔</span>
+                        ) : (
+                          <svg viewBox="0 0 24 24" className="w-3.5 h-3.5 fill-current" xmlns="http://www.w3.org/2000/svg">
+                            <path d="M12 2C6.5 2 2 6.5 2 12s4.5 10 10 10 10-4.5 10-10S17.5 2 12 2zm4.2 14.2L11 13V7h1.5v5.2l4.5 2.7-.8 1.3z" />
+                          </svg>
+                        )}
+                      </div>
+                      <div>
+                        <div className={`font-bold text-[13px] leading-tight ${
+                          isSupp ? 'text-red-700' : isModif ? 'text-[#0066a4]' : 'text-[#9a3412]'
+                        }`}>
+                          {isSupp 
+                            ? (perturbationInfo.cause ? `Train supprimé (${perturbationInfo.cause})` : 'Train supprimé')
+                            : isModif 
+                            ? (nouveauTerminusNom 
+                                ? `Modification de parcours : Terminus ${nouveauTerminusNom}${perturbationInfo.cause ? ` (${perturbationInfo.cause})` : ''}` 
+                                : `Modification de parcours${perturbationInfo.cause ? ` (${perturbationInfo.cause})` : ''}`)
+                            : (perturbationInfo.cause 
+                                ? `Retard estimé à ${delayMinutes} min (${perturbationInfo.cause})` 
+                                : `Retard estimé à ${delayMinutes} min`)}
+                        </div>
+                        <div className="text-[11px] text-gray-600 mt-0.5">
+                          Train {trainType} {trainNumber}
+                          {nouveauTerminusNom && ` • Nouveau terminus exceptionnel : ${nouveauTerminusNom}`}
+                          {nouvelleOrigineNom && ` • Nouvelle origine : ${nouvelleOrigineNom}`}
+                          {perturbationInfo.causeDetails && ` • ${perturbationInfo.causeDetails}`}
+                        </div>
+                      </div>
+                    </div>
+
+                    <span className="text-[#0070e0] font-bold text-[18px] select-none">›</span>
+                  </div>
+                );
+              })()}
+
+              {/* ─── CARD: SILLON DE SUBSTITUTION (SI DEFINI) ─── */}
+              {substitutionInfo && (
+                <div className="bg-[#f5f0ff] rounded-2xl p-4 shadow-sm border border-purple-200 flex items-center justify-between gap-3 mt-3">
                   <div className="flex items-center gap-3">
-                    <div className={`w-6 h-6 rounded-full text-white flex items-center justify-center shrink-0 ${isSuppressed ? 'bg-red-600' : 'bg-[#9a3412]'}`}>
-                      {isSuppressed ? (
-                        <svg viewBox="0 0 24 24" className="w-3.5 h-3.5 fill-current" xmlns="http://www.w3.org/2000/svg">
-                          <path d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/>
-                        </svg>
-                      ) : (
-                        <svg viewBox="0 0 24 24" className="w-3.5 h-3.5 fill-current" xmlns="http://www.w3.org/2000/svg">
-                          <path d="M12 2C6.5 2 2 6.5 2 12s4.5 10 10 10 10-4.5 10-10S17.5 2 12 2zm4.2 14.2L11 13V7h1.5v5.2l4.5 2.7-.8 1.3z" />
-                        </svg>
-                      )}
+                    <div className="w-6 h-6 rounded-full bg-[#6f42c1] text-white flex items-center justify-center shrink-0">
+                      <span className="material-icons text-[14px]">directions_bus</span>
                     </div>
                     <div>
-                      <div className={`font-bold text-[13px] leading-tight ${isSuppressed ? 'text-red-700' : 'text-[#9a3412]'}`}>
-                        {isSuppressed ? 'Train supprimé' : `Retard estimé à ${delayMinutes} min`}
+                      <div className="flex items-center gap-2 flex-wrap">
+                        <span className="font-bold text-[13px] text-purple-950">
+                          {substitutionInfo.type} {substitutionInfo.numero}
+                        </span>
+                        <span className="bg-[#6f42c1] text-white text-[9.5px] font-bold px-1.5 py-0.5 rounded leading-none uppercase">
+                          Train Supplémentaire
+                        </span>
                       </div>
-                      <div className="text-[11px] text-gray-600 mt-0.5">
-                        Train {trainType} {trainNumber}
+                      <div className="text-[11.5px] text-purple-800 mt-0.5">
+                        Substitution : {substitutionInfo.depart} ({substitutionInfo.heureDepart}) → {substitutionInfo.arrivee} ({substitutionInfo.heureArrivee})
                       </div>
                     </div>
                   </div>
-
-                  <span className="text-[#0070e0] font-bold text-[18px] select-none">›</span>
+                  <Link 
+                    href={`/train/${substitutionInfo.numero}`}
+                    className="text-[#6f42c1] hover:underline font-bold text-[12px] shrink-0"
+                  >
+                    Voir ›
+                  </Link>
                 </div>
               )}
 
               {/* ─── DESTINATION & OPÉRATEUR ─── */}
               <div className="pt-5 px-1">
-                <h2 className="text-[14px] font-bold text-gray-900 leading-tight">
-                  Destination {destination}
-                </h2>
+                <div className="flex items-center gap-2 flex-wrap">
+                  <h2 className="text-[14px] font-bold text-gray-900 leading-tight">
+                    Destination {destination}
+                  </h2>
+                  {nouveauTerminusNom && (
+                    <span className="text-[10.5px] font-bold px-2 py-0.5 rounded bg-amber-100 text-amber-900 border border-amber-300">
+                      Nouveau terminus
+                    </span>
+                  )}
+                  {nouvelleOrigineNom && (
+                    <span className="text-[10.5px] font-bold px-2 py-0.5 rounded bg-blue-100 text-blue-900 border border-blue-300">
+                      Nouvelle origine
+                    </span>
+                  )}
+                </div>
                 <p className="text-[11.5px] text-gray-500 mt-1">
                   Opéré par {operatorInfo}
                 </p>
               </div>
 
               {/* ═══════════════════════════════════════════════════════ */}
-              {/*  TIMELINE VERTICALE                                     */}
+              {/*  TIMELINE VERTICALE DES ARRÊTS                         */}
               {/* ═══════════════════════════════════════════════════════ */}
               <div className="relative pt-6 pb-8">
                 <div
@@ -488,21 +602,29 @@ export default function TrainDetailsClient({
                   style={{ backgroundColor: isSuppressed ? '#e5e7eb' : theme.primary, left: '82px' }}
                 />
 
-                <div className="flex flex-col" style={{ gap: '36px' }}>
+                <div className="flex flex-col" style={{ gap: '32px' }}>
                   {stops.map((stop, idx) => {
-                    const isDelayed = !isSuppressed && delayMinutes > 0 && stop.heure_estimee !== stop.heure_prevue;
-                    const isFirst = idx === 0;
-                    const isLast = idx === stops.length - 1;
+                    const isStopSuppressed = isSuppressed || Boolean(stop.is_supprime);
+                    const isDelayed = !isStopSuppressed && delayMinutes > 0 && stop.heure_estimee !== stop.heure_prevue;
+                    const isFirst = stop.is_depart || idx === 0;
+                    const isLast = stop.is_arrivee || stop.is_nouveau_terminus || idx === stops.length - 1;
 
                     return (
-                      <div key={idx} className={`relative flex items-start ${isSuppressed ? 'opacity-60' : ''}`}>
+                      <div key={idx} className={`relative flex items-start ${isStopSuppressed ? 'opacity-75' : ''}`}>
                         
+                        {/* Column 1: Time pill */}
                         <div className="w-[72px] shrink-0 text-right pr-3 pt-px">
                           <span
                             className="inline-block px-2.5 py-[5px] rounded-full font-bold text-[12.5px] text-white leading-none tracking-tight"
-                            style={{ backgroundColor: isSuppressed ? '#9ca3af' : theme.primary }}
+                            style={{ 
+                              backgroundColor: isStopSuppressed 
+                                ? '#9ca3af' 
+                                : stop.is_nouveau_terminus 
+                                ? '#0066a4' 
+                                : theme.primary 
+                            }}
                           >
-                            {isSuppressed ? stop.heure_prevue : (stop.heure_estimee || stop.heure_prevue)}
+                            {isStopSuppressed ? stop.heure_prevue : (stop.heure_estimee || stop.heure_prevue)}
                           </span>
                           {isDelayed && (
                             <span className="block text-[10px] text-gray-400 line-through mt-1 pr-1 font-normal">
@@ -511,41 +633,96 @@ export default function TrainDetailsClient({
                           )}
                         </div>
 
+                        {/* Column 2: Timeline circular dot */}
                         <div className="w-[24px] shrink-0 flex justify-center pt-[3px] relative z-10">
                           <div
                             className="w-[13px] h-[13px] rounded-full bg-white border-[3px] shadow-sm"
-                            style={{ borderColor: isSuppressed ? '#9ca3af' : theme.primary }}
+                            style={{ 
+                              borderColor: isStopSuppressed 
+                                ? '#b91c1c' 
+                                : stop.is_nouveau_terminus 
+                                ? '#0066a4' 
+                                : theme.primary 
+                            }}
                           />
                         </div>
 
+                        {/* Column 3: Station Name & Badges (Matching Image 1) */}
                         <div className="flex-1 pl-2 pt-0">
-                          <div className={`font-bold text-[15px] leading-tight ${isSuppressed ? 'text-gray-500 line-through' : 'text-gray-900'}`}>
-                            {stop.gare_nom}
-                          </div>
+                          {isStopSuppressed ? (
+                            <div>
+                              <span className="font-bold text-[15px] leading-tight text-[#b91c1c] line-through block">
+                                {stop.gare_nom}
+                              </span>
+                              <div className="flex items-center gap-1.5 text-[12px] font-bold text-[#b91c1c] mt-0.5">
+                                <span className="w-3.5 h-3.5 rounded-full bg-[#b91c1c] text-white flex items-center justify-center text-[9px] font-bold shrink-0">!</span>
+                                <span>Arrêt supprimé</span>
+                              </div>
+                              <div className="text-[11px] text-gray-700 mt-0.5 font-normal">
+                                {stop.cause_arret || perturbationInfo?.cause || "Accident à un passage à niveau"}
+                              </div>
+                            </div>
+                          ) : stop.is_nouveau_terminus ? (
+                            <div>
+                              <span className="font-bold text-[15px] leading-tight text-gray-900 block">
+                                {stop.gare_nom}
+                              </span>
+                              <div className="flex items-center gap-1.5 text-[12px] text-[#0066a4] font-medium mt-0.5">
+                                <span className="w-3.5 h-3.5 rounded-full bg-[#0066a4] text-white flex items-center justify-center text-[9px] font-bold shrink-0">i</span>
+                                <span>Terminus exceptionnel</span>
+                              </div>
+                            </div>
+                          ) : stop.is_nouvelle_origine ? (
+                            <div>
+                              <span className="font-bold text-[15px] leading-tight text-gray-900 block">
+                                {stop.gare_nom}
+                              </span>
+                              <div className="flex items-center gap-1.5 text-[12px] text-[#0066a4] font-medium mt-0.5">
+                                <span className="w-3.5 h-3.5 rounded-full bg-[#0066a4] text-white flex items-center justify-center text-[9px] font-bold shrink-0">i</span>
+                                <span>Origine exceptionnelle</span>
+                              </div>
+                            </div>
+                          ) : stop.is_added_manually ? (
+                            <div>
+                              <span className="font-bold text-[15px] leading-tight text-gray-900 block">
+                                {stop.gare_nom}
+                              </span>
+                              <div className="flex items-center gap-1.5 text-[12px] text-emerald-800 font-medium mt-0.5">
+                                <span className="w-3.5 h-3.5 rounded-full bg-emerald-700 text-white flex items-center justify-center text-[9px] font-bold shrink-0">+</span>
+                                <span>Arrêt exceptionnel</span>
+                              </div>
+                            </div>
+                          ) : (
+                            <div>
+                              <span className="font-bold text-[15px] leading-tight text-gray-900 block">
+                                {stop.gare_nom}
+                              </span>
+                            </div>
+                          )}
 
-                          {stop.duree_arret && !isFirst && !isLast && (
+                          {stop.duree_arret && !isFirst && !isLast && !isStopSuppressed && (
                             <div className="text-[11.5px] text-gray-400 mt-1 font-normal italic">
                               {stop.duree_arret}
                             </div>
                           )}
 
-                          {stop.voie && !isSuppressed && (
+                          {stop.voie && !isStopSuppressed && (
                             <div
-                              className="text-[11.5px] font-semibold mt-0.5 inline-block px-2 py-0.5 rounded bg-gray-100"
+                              className="text-[11.5px] font-semibold mt-1 inline-block px-2 py-0.5 rounded bg-gray-100"
                               style={{ color: theme.primary }}
                             >
                               {stop.voie}
                             </div>
                           )}
 
-                          {isFirst && (
+                          {isFirst && !isStopSuppressed && (
                             <div className="text-[11px] text-gray-400 mt-1 font-normal">
-                              Départ
+                              {stop.is_nouvelle_origine ? 'Départ (Nouvelle origine)' : 'Départ'}
                             </div>
                           )}
-                          {isLast && (
+                          {isLast && !isStopSuppressed && (
                             <div className="text-[11px] text-gray-400 mt-1 font-normal">
-                              Arrivée
+                              {stop.is_nouveau_terminus ? 'Arrivée (Nouveau terminus)' : 'Arrivée'}
                             </div>
                           )}
                         </div>
@@ -560,18 +737,30 @@ export default function TrainDetailsClient({
             {perturbationInfo?.message && (
               <div className="w-full lg:w-[320px] shrink-0">
                 <div className="sticky top-6">
-                  <div className={`rounded-xl p-5 shadow-sm border ${isSuppressed ? 'bg-red-50 border-red-200' : 'bg-orange-50 border-orange-200'}`}>
+                  <div className={`rounded-xl p-5 shadow-sm border ${
+                    isSuppressed ? 'bg-red-50 border-red-200' : isParcoursModifie ? 'bg-blue-50 border-blue-200' : 'bg-orange-50 border-orange-200'
+                  }`}>
                     <div className="flex items-center gap-3 mb-3">
-                      <div className={`w-8 h-8 rounded-full text-white flex items-center justify-center shrink-0 ${isSuppressed ? 'bg-red-600' : 'bg-orange-600'}`}>
-                        <svg viewBox="0 0 24 24" className="w-4 h-4 fill-current" xmlns="http://www.w3.org/2000/svg">
-                          <path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-2h2v2zm0-4h-2V7h2v6z"/>
-                        </svg>
+                      <div className={`w-8 h-8 rounded-full text-white flex items-center justify-center shrink-0 ${
+                        isSuppressed ? 'bg-red-600' : isParcoursModifie ? 'bg-[#0066a4]' : 'bg-orange-600'
+                      }`}>
+                        {isParcoursModifie ? (
+                          <span className="text-[15px] font-bold">↔</span>
+                        ) : (
+                          <svg viewBox="0 0 24 24" className="w-4 h-4 fill-current" xmlns="http://www.w3.org/2000/svg">
+                            <path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-2h2v2zm0-4h-2V7h2v6z"/>
+                          </svg>
+                        )}
                       </div>
-                      <h3 className={`font-bold text-[15px] ${isSuppressed ? 'text-red-900' : 'text-orange-900'}`}>
-                        Info Trafic
+                      <h3 className={`font-bold text-[15px] ${
+                        isSuppressed ? 'text-red-900' : isParcoursModifie ? 'text-blue-900' : 'text-orange-900'
+                      }`}>
+                        {isParcoursModifie ? 'Modification de parcours' : 'Info Trafic'}
                       </h3>
                     </div>
-                    <p className={`text-[13px] leading-relaxed whitespace-pre-wrap ${isSuppressed ? 'text-red-800' : 'text-orange-800'}`}>
+                    <p className={`text-[13px] leading-relaxed whitespace-pre-wrap ${
+                      isSuppressed ? 'text-red-800' : isParcoursModifie ? 'text-blue-900' : 'text-orange-800'
+                    }`}>
                       {perturbationInfo.message}
                     </p>
                   </div>

src/lib/materielUtils.ts

@@ -0,0 +1,95 @@
+export interface MaterielRoulantRow {
+  id: number | string;
+  nom?: string;
+  nom_technique?: string;
+  capacite?: number;
+  image_url?: string;
+  statut_maintenance?: string; // 'OPERATIONNEL' | 'EN_AVARIE_ATELIER' | 'MAINTENANCE_PROGRAMMEE'
+  type_train?: string;
+  numero_serie?: string;
+  depot_attache?: string;
+}
+
+export interface EffectiveMaterielResult {
+  materielId?: number | string;
+  nom: string;
+  nomTechnique?: string;
+  imageUrl?: string;
+  places: number;
+  voitures: number;
+  isReassigned?: boolean;
+  statutMaintenance?: string;
+}
+
+/**
+ * Resolves the effective rolling stock to display for a train schedule.
+ * If the original rolling stock is unavailable (defined in roster management: statut_maintenance !== 'OPERATIONNEL')
+ * and a new rolling stock has been attributed, display the new rolling stock's image and specifications.
+ */
+export function resolveEffectiveMateriel(
+  compositionTrain: any[] | null | undefined,
+  allMateriels: MaterielRoulantRow[] = [],
+  fallbackData?: {
+    modeleTrain?: string;
+    capaciteTexte?: string;
+    imageUrl?: string;
+  }
+): EffectiveMaterielResult {
+  const comp = Array.isArray(compositionTrain) ? compositionTrain : [];
+
+  // Map to easily look up latest DB details by id
+  const matMap = new Map<string, MaterielRoulantRow>();
+  for (const m of allMateriels) {
+    if (m && m.id != null) {
+      matMap.set(String(m.id), m);
+    }
+  }
+
+  // If composition is empty, return fallback
+  if (comp.length === 0) {
+    return {
+      nom: fallbackData?.modeleTrain || 'Train',
+      imageUrl: fallbackData?.imageUrl,
+      places: 163,
+      voitures: 3,
+      isReassigned: false,
+    };
+  }
+
+  const firstEntry = comp[0];
+  const firstDbMat = firstEntry?.materiel_id ? matMap.get(String(firstEntry.materiel_id)) : undefined;
+  const isFirstUnavailable = firstDbMat?.statut_maintenance && firstDbMat.statut_maintenance !== 'OPERATIONNEL';
+
+  // Check if a replacement is present in subsequent composition items:
+  // e.g. when a replacement material was appended via roster management
+  let replacementEntry = comp.slice(1).reverse().find(c => {
+    if (!c) return false;
+    const db = c.materiel_id ? matMap.get(String(c.materiel_id)) : undefined;
+    return !db || db.statut_maintenance === 'OPERATIONNEL';
+  });
+
+  const isReassigned = Boolean(isFirstUnavailable && replacementEntry);
+  const targetEntry = isReassigned && replacementEntry ? replacementEntry : (
+    // If not first unavailable but has multiple items, use the active one
+    firstEntry
+  );
+
+  const targetDbMat = targetEntry?.materiel_id ? matMap.get(String(targetEntry.materiel_id)) : undefined;
+
+  const imageUrl = targetDbMat?.image_url || targetEntry?.materiel_image_url || fallbackData?.imageUrl;
+  const nom = targetDbMat?.nom || targetEntry?.materiel_nom || fallbackData?.modeleTrain || 'Train';
+  const nomTechnique = targetDbMat?.nom_technique || targetEntry?.materiel_nom_technique;
+  const places = targetDbMat?.capacite || targetEntry?.capacite || targetEntry?.materiel_nb_places || 163;
+  const voitures = targetEntry?.materiel_voitures || (places > 200 ? 4 : 3);
+
+  return {
+    materielId: targetEntry?.materiel_id,
+    nom,
+    nomTechnique,
+    imageUrl,
+    places,
+    voitures,
+    isReassigned,
+    statutMaintenance: targetDbMat?.statut_maintenance,
+  };
+}

src/lib/parcoursUtils.ts

@@ -0,0 +1,269 @@
+import { formatPerturbationCause } from './perturbationUtils';
+
+export interface PerturbedStop {
+  gare_id?: string;
+  gare_nom: string;
+  heure_depart?: string;
+  heure_arrivee?: string;
+  quai?: string;
+  quai_reel?: string;
+  voie?: string;
+  is_depart?: boolean;
+  is_arrivee?: boolean;
+  is_nouveau_terminus?: boolean;
+  is_nouvelle_origine?: boolean;
+  is_added_manually?: boolean;
+  is_supprime?: boolean;
+  retard_minutes?: number;
+  retard_cumule?: number;
+  cause_arret?: string;
+  types_perturbation?: string[];
+  type_perturbation?: string;
+}
+
+export interface ResolvedParcours {
+  stops: PerturbedStop[];
+  destination: string;
+  provenance: string;
+  hasParcoursModification: boolean;
+  nouveauTerminusNom?: string;
+  nouvelleOrigineNom?: string;
+  sillonSubstitutionId?: string;
+  matchingPert?: any;
+}
+
+const normName = (s: string) => (s || '').toLowerCase().normalize("NFD").replace(/[\u0300-\u036f]/g, "").trim();
+
+/**
+ * Resolves the real-world route of a train taking into account any active perturbation:
+ * - nouveau terminus: route terminates at new terminus, remaining stops marked non desservis
+ * - nouvelle origine: route starts at new origin, preceding stops marked non desservis
+ * - arrêts ajoutés manuellement: included in stop sequence
+ * - arrêts supprimés: marked is_supprime
+ * - stop-specific delays: propagated / updated
+ */
+export function resolvePerturbedRoute(
+  horaire: any,
+  matchingPert: any,
+  gMap: Record<string, string> = {}
+): ResolvedParcours {
+  // 1. Get original stops from horaire
+  let originalGares: any[] = [];
+  if (typeof horaire?.gares_desservies === 'string') {
+    try { originalGares = JSON.parse(horaire.gares_desservies); } catch (e) { originalGares = []; }
+  } else if (Array.isArray(horaire?.gares_desservies)) {
+    originalGares = horaire.gares_desservies;
+  }
+
+  const defaultDest = horaire?.gare_arrivee_nom || originalGares[originalGares.length - 1]?.gare_nom || gMap[horaire?.gare_arrivee_id] || 'Terminus';
+  const defaultProv = horaire?.gare_depart_nom || originalGares[0]?.gare_nom || gMap[horaire?.gare_depart_id] || 'Origine';
+
+  if (!matchingPert) {
+    const stops: PerturbedStop[] = originalGares.map((g, idx) => ({
+      gare_id: g.gare_id,
+      gare_nom: g.gare_nom || gMap[g.gare_id] || '',
+      heure_depart: (g.heure_depart || g.heure_arrivee || '').slice(0, 5),
+      heure_arrivee: (g.heure_arrivee || g.heure_depart || '').slice(0, 5),
+      quai: g.quai || g.quai_reel,
+      quai_reel: g.quai_reel,
+      is_depart: idx === 0,
+      is_arrivee: idx === originalGares.length - 1,
+    }));
+    return {
+      stops,
+      destination: defaultDest,
+      provenance: defaultProv,
+      hasParcoursModification: false,
+    };
+  }
+
+  // 2. Check if matchingPert has perturbations_arrets
+  let pertArretsRaw: any[] = Array.isArray(matchingPert.perturbations_arrets)
+    ? matchingPert.perturbations_arrets
+    : (Array.isArray(matchingPert.perturbations_arrets?.arrets) ? matchingPert.perturbations_arrets.arrets : []);
+
+  const defaultPertCause = formatPerturbationCause(matchingPert?.cause) || matchingPert?.cause_details || 'Incident technique';
+
+  // Support root-level nouveau_terminus / nouvelle_origine if perturbations_arrets is empty
+  if (pertArretsRaw.length === 0) {
+    const rootNewTerm = matchingPert.nouveau_terminus || matchingPert.gare_terminus_nom;
+    const rootNewOrig = matchingPert.nouvelle_origine || matchingPert.gare_origine_nom;
+    if (rootNewTerm || rootNewOrig) {
+      pertArretsRaw = originalGares.map(g => {
+        const gNom = g.gare_nom || gMap[g.gare_id] || '';
+        return {
+          ...g,
+          gare_nom: gNom,
+          is_nouveau_terminus: rootNewTerm && normName(gNom) === normName(rootNewTerm),
+          is_nouvelle_origine: rootNewOrig && normName(gNom) === normName(rootNewOrig),
+        };
+      });
+    }
+  }
+
+  if (pertArretsRaw.length === 0) {
+    const isSuppGlobal = matchingPert.type_perturbation === 'suppression';
+    const globalDelay = matchingPert.duree_retard_minutes || 0;
+    const isModifGlobal = matchingPert.type_perturbation === 'modification_parcours';
+
+    const stops: PerturbedStop[] = originalGares.map((g, idx) => ({
+      gare_id: g.gare_id,
+      gare_nom: g.gare_nom || gMap[g.gare_id] || '',
+      heure_depart: (g.heure_depart || g.heure_arrivee || '').slice(0, 5),
+      heure_arrivee: (g.heure_arrivee || g.heure_depart || '').slice(0, 5),
+      quai: g.quai || g.quai_reel,
+      quai_reel: g.quai_reel,
+      is_depart: idx === 0,
+      is_arrivee: idx === originalGares.length - 1,
+      is_supprime: isSuppGlobal,
+      cause_arret: isSuppGlobal ? defaultPertCause : undefined,
+      retard_minutes: globalDelay > 0 ? globalDelay : undefined,
+      retard_cumule: globalDelay > 0 ? globalDelay : undefined,
+    }));
+
+    return {
+      stops,
+      destination: defaultDest,
+      provenance: defaultProv,
+      hasParcoursModification: isModifGlobal,
+      sillonSubstitutionId: matchingPert.sillon_substitution_id || undefined,
+      matchingPert,
+    };
+  }
+
+  // 3. Process perturbed route from pertArretsRaw
+  let effectiveArrets = [...pertArretsRaw];
+
+  // Check for nouvelle origine
+  const origIdx = effectiveArrets.findIndex(a => a.is_nouvelle_origine);
+  let nouvelleOrigineNom: string | undefined = undefined;
+  let skippedLeadingStops: any[] = [];
+
+  if (origIdx !== -1) {
+    nouvelleOrigineNom = effectiveArrets[origIdx].gare_nom;
+    skippedLeadingStops = effectiveArrets.slice(0, origIdx);
+    effectiveArrets = effectiveArrets.slice(origIdx);
+  }
+
+  // Check for nouveau terminus
+  const termIdx = effectiveArrets.findIndex(a => a.is_nouveau_terminus);
+  let nouveauTerminusNom: string | undefined = undefined;
+  let skippedTrailingStops: any[] = [];
+
+  if (termIdx !== -1) {
+    nouveauTerminusNom = effectiveArrets[termIdx].gare_nom;
+    skippedTrailingStops = effectiveArrets.slice(termIdx + 1);
+    effectiveArrets = effectiveArrets.slice(0, termIdx + 1);
+  }
+
+  // If pertArretsRaw was truncated in BDD and didn't include the trailing stops from originalGares:
+  if (nouveauTerminusNom && skippedTrailingStops.length === 0 && originalGares.length > 0) {
+    const normTerm = normName(nouveauTerminusNom);
+    const origTermIdx = originalGares.findIndex(g => normName(g.gare_nom || gMap[g.gare_id] || '') === normTerm);
+    if (origTermIdx !== -1 && origTermIdx < originalGares.length - 1) {
+      skippedTrailingStops = originalGares.slice(origTermIdx + 1);
+    }
+  }
+
+  // If pertArretsRaw didn't include the leading stops before nouvelleOrigineNom:
+  if (nouvelleOrigineNom && skippedLeadingStops.length === 0 && originalGares.length > 0) {
+    const normOrig = normName(nouvelleOrigineNom);
+    const origOrigIdx = originalGares.findIndex(g => normName(g.gare_nom || gMap[g.gare_id] || '') === normOrig);
+    if (origOrigIdx > 0) {
+      skippedLeadingStops = originalGares.slice(0, origOrigIdx);
+    }
+  }
+
+  const hasModif = Boolean(
+    nouveauTerminusNom ||
+    nouvelleOrigineNom ||
+    effectiveArrets.some(a => (a.types_perturbation || []).includes('modification_parcours') || a.is_added_manually) ||
+    matchingPert.type_perturbation === 'modification_parcours'
+  );
+
+  const destination = nouveauTerminusNom || effectiveArrets[effectiveArrets.length - 1]?.gare_nom || defaultDest;
+  const provenance = nouvelleOrigineNom || effectiveArrets[0]?.gare_nom || defaultProv;
+
+  // Build active stops list
+  const activeStops: PerturbedStop[] = effectiveArrets.map((a, idx) => {
+    const sDep = (a.heure_depart || a.heure_arrivee || '').slice(0, 5);
+    const sArr = (a.heure_arrivee || a.heure_depart || '').slice(0, 5);
+    const types = a.types_perturbation || (a.type_perturbation ? [a.type_perturbation] : []);
+    const isSupp = Boolean(
+      matchingPert.type_perturbation === 'suppression' ||
+      types.includes('arret_supprime') ||
+      a.is_supprime ||
+      a.supprime
+    );
+    const stopDelay = a.retard_cumule ?? a.retard_entrant ?? a.retard_minutes ?? (matchingPert.duree_retard_minutes || undefined);
+
+    return {
+      gare_id: a.gare_id,
+      gare_nom: a.gare_nom || gMap[a.gare_id] || '',
+      heure_depart: sDep,
+      heure_arrivee: sArr,
+      quai: a.quai || a.quai_reel,
+      quai_reel: a.quai_reel,
+      is_depart: idx === 0,
+      is_arrivee: idx === effectiveArrets.length - 1,
+      is_nouveau_terminus: Boolean(a.is_nouveau_terminus),
+      is_nouvelle_origine: Boolean(a.is_nouvelle_origine),
+      is_added_manually: Boolean(a.is_added_manually),
+      is_supprime: isSupp,
+      retard_minutes: typeof stopDelay === 'number' && stopDelay > 0 ? stopDelay : undefined,
+      retard_cumule: typeof a.retard_cumule === 'number' ? a.retard_cumule : undefined,
+      cause_arret: formatPerturbationCause(a.cause_arret) || (isSupp ? defaultPertCause : undefined),
+      types_perturbation: types,
+      type_perturbation: a.type_perturbation || types[0],
+    };
+  });
+
+  // Leading stops skipped due to nouvelle origine (marked as suppressed)
+  const suppressedLeading: PerturbedStop[] = skippedLeadingStops.map(g => ({
+    gare_id: g.gare_id,
+    gare_nom: g.gare_nom || gMap[g.gare_id] || '',
+    heure_depart: (g.heure_depart || g.heure_arrivee || '').slice(0, 5),
+    heure_arrivee: (g.heure_arrivee || g.heure_depart || '').slice(0, 5),
+    quai: g.quai || g.quai_reel,
+    quai_reel: g.quai_reel,
+    is_depart: false,
+    is_arrivee: false,
+    is_supprime: true,
+    cause_arret: formatPerturbationCause(g.cause_arret) || defaultPertCause,
+    types_perturbation: ['arret_supprime', 'modification_parcours'],
+    type_perturbation: 'arret_supprime',
+  }));
+
+  // Trailing stops skipped due to nouveau terminus (marked as suppressed)
+  const suppressedTrailing: PerturbedStop[] = skippedTrailingStops.map(g => ({
+    gare_id: g.gare_id,
+    gare_nom: g.gare_nom || gMap[g.gare_id] || '',
+    heure_depart: (g.heure_depart || g.heure_arrivee || '').slice(0, 5),
+    heure_arrivee: (g.heure_arrivee || g.heure_depart || '').slice(0, 5),
+    quai: g.quai || g.quai_reel,
+    quai_reel: g.quai_reel,
+    is_depart: false,
+    is_arrivee: false,
+    is_supprime: true,
+    cause_arret: formatPerturbationCause(g.cause_arret) || defaultPertCause,
+    types_perturbation: ['arret_supprime', 'modification_parcours'],
+    type_perturbation: 'arret_supprime',
+  }));
+
+  const allResolvedStops: PerturbedStop[] = [
+    ...suppressedLeading,
+    ...activeStops,
+    ...suppressedTrailing,
+  ];
+
+  return {
+    stops: allResolvedStops,
+    destination,
+    provenance,
+    hasParcoursModification: hasModif,
+    nouveauTerminusNom,
+    nouvelleOrigineNom,
+    sillonSubstitutionId: matchingPert.sillon_substitution_id || undefined,
+    matchingPert,
+  };
+}

src/lib/perturbationUtils.ts

@@ -15,15 +15,101 @@ export interface PerturbationData {
   actif?: boolean;
 }
 
+export type PerturbationPriorityType = 'suppression' | 'parcours_modifie' | 'retard' | 'a_l_heure';
+
+/**
+ * Resolves perturbation priority strictly conforming to user rule:
+ * Supprimé > Modification de parcours > Retardé > A l'heure
+ */
+export function getPerturbationPriority(data: {
+  isSupprime?: boolean;
+  hasParcoursModification?: boolean;
+  perturbationType?: string;
+  typesPerturbation?: string[];
+  delayMinutes?: number;
+}): PerturbationPriorityType {
+  const types = (data.typesPerturbation || []).map(t => (t || '').toLowerCase());
+  const pType = (data.perturbationType || '').toLowerCase();
+
+  // 1. SUPPRIMÉ
+  if (
+    data.isSupprime || 
+    pType === 'suppression' || 
+    pType.includes('suppr') || 
+    types.includes('arret_supprime') || 
+    types.includes('suppression')
+  ) {
+    return 'suppression';
+  }
+
+  // 2. MODIFICATION DE PARCOURS
+  if (
+    data.hasParcoursModification ||
+    pType === 'modification_parcours' ||
+    pType === 'parcours_modifie' ||
+    pType.includes('parcours') ||
+    pType.includes('modifi') ||
+    types.includes('modification_parcours') ||
+    types.includes('parcours_modifie')
+  ) {
+    return 'parcours_modifie';
+  }
+
+  // 3. RETARDÉ
+  if (
+    (typeof data.delayMinutes === 'number' && data.delayMinutes > 0) ||
+    pType.includes('retard') ||
+    types.includes('retard') ||
+    types.includes('arret_prolonge')
+  ) {
+    return 'retard';
+  }
+
+  // 4. A L'HEURE
+  return 'a_l_heure';
+}
+
+/**
+ * Formats a perturbation cause into a clear, concise passenger label
+ */
+export function formatPerturbationCause(cause?: string): string {
+  if (!cause) return '';
+  const c = cause.trim();
+  const lower = c.toLowerCase();
+  if (lower.includes('passage_niveau') || lower.includes('passage a niveau') || lower.includes('passage à niveau')) return 'Accident à un passage à niveau';
+  if (lower.includes('accident_personne') || lower.includes('personne')) return 'Accident de personne';
+  if (lower.includes('deraillement')) return 'Déraillement de train';
+  if (lower === 'incident_technique') return 'Incident technique';
+  if (lower === 'panne_materiel' || lower === 'panne_de_train' || lower.includes('panne_de_train')) return 'Panne de train';
+  if (lower === 'conditions_meteo' || lower === 'meteo') return 'Conditions météo';
+  if (lower === 'obstacle_voie') return 'Obstacle sur la voie';
+  if (lower === 'travaux') return 'Travaux sur la voie';
+  if (lower === 'greve') return 'Mouvement social';
+  if (lower === 'panne_signalisation') return 'Panne de signalisation';
+  if (c.includes('_')) {
+    const formatted = c.replace(/_/g, ' ');
+    return formatted.charAt(0).toUpperCase() + formatted.slice(1);
+  }
+  return c.charAt(0).toUpperCase() + c.slice(1);
+}
+
 /**
  * Checks if a perturbation strictly applies to the recorded target ISO date (YYYY-MM-DD)
  */
 export function isPerturbationActiveOnDate(pert: any, targetDateIso: string): boolean {
   if (!pert || pert.actif === false) return false;
 
-  // 1. Check jours_perturbation array if present
-  if (Array.isArray(pert.jours_perturbation) && pert.jours_perturbation.length > 0) {
-    return pert.jours_perturbation.some((jp: any) => {
+  // 1. Check jours_perturbation (from pert, pert.perturbations_arrets, or pert.details)
+  const joursArr = (Array.isArray(pert.jours_perturbation) && pert.jours_perturbation.length > 0)
+    ? pert.jours_perturbation
+    : (Array.isArray(pert.perturbations_arrets?.jours_perturbation) && pert.perturbations_arrets.jours_perturbation.length > 0)
+    ? pert.perturbations_arrets.jours_perturbation
+    : (Array.isArray(pert.details?.jours_perturbation) && pert.details.jours_perturbation.length > 0)
+    ? pert.details.jours_perturbation
+    : null;
+
+  if (joursArr) {
+    const match = joursArr.some((jp: any) => {
       if (typeof jp === 'string') {
         return jp.slice(0, 10) === targetDateIso;
       }
@@ -33,11 +119,28 @@ export function isPerturbationActiveOnDate(pert: any, targetDateIso: string): bo
       }
       return false;
     });
+    if (match) return true;
   }
 
   // 2. Check date_debut and date_fin
-  const start = pert.date_debut ? pert.date_debut.slice(0, 10) : null;
-  const end = pert.date_fin ? pert.date_fin.slice(0, 10) : null;
+  const extractDate = (val: any): string | null => {
+    if (!val) return null;
+    if (typeof val === 'string') {
+      const match = val.match(/^(\d{4}-\d{2}-\d{2})/);
+      if (match) return match[1];
+    }
+    const d = new Date(val);
+    if (!isNaN(d.getTime())) {
+      const year = d.getFullYear();
+      const month = String(d.getMonth() + 1).padStart(2, '0');
+      const day = String(d.getDate()).padStart(2, '0');
+      return `${year}-${month}-${day}`;
+    }
+    return null;
+  };
+
+  const start = extractDate(pert.date_debut);
+  const end = extractDate(pert.date_fin);
 
   if (start && end) {
     return targetDateIso >= start && targetDateIso <= end;
@@ -57,28 +160,18 @@ export interface BannerStyle {
   bgColor: string;       // Background color matching Image 2
   textColor: string;     // Text color
   iconBgColor: string;   // Icon circle bg color
-  iconText: string;      // Icon character ('i', '!', '✕', '↔')
-  badgeLabel: string;    // Label ('Information', 'Informations', 'Retard', 'Suppression', 'Parcours modifié')
+  iconText: string;      // Icon character ('i', '!', '✕', '↔', '✓')
+  badgeLabel: string;    // Label ('Information', 'Informations', 'Retard', 'Suppression', 'Parcours modifié', 'A l'heure')
   defaultCause?: string;
 }
 
 /**
- * Gets banner styling and metadata strictly matching Image 2
+ * Gets banner styling and metadata strictly matching Image 2 & user priority
  */
 export function getPerturbationBannerStyle(type: string): BannerStyle {
   const normType = (type || '').toLowerCase();
 
-  if (normType.includes('retard')) {
-    return {
-      bgColor: '#fff1ed',
-      textColor: '#c00',
-      iconBgColor: '#e65100',
-      iconText: '!',
-      badgeLabel: 'Retard',
-      defaultCause: 'Retard estimé'
-    };
-  }
-
+  // 1. SUPPRIMÉ
   if (normType.includes('suppr')) {
     return {
       bgColor: '#fdeded',
@@ -90,6 +183,7 @@ export function getPerturbationBannerStyle(type: string): BannerStyle {
     };
   }
 
+  // 2. MODIFICATION DE PARCOURS
   if (normType.includes('parcours') || normType.includes('modifi')) {
     return {
       bgColor: '#f0f7ff',
@@ -101,6 +195,30 @@ export function getPerturbationBannerStyle(type: string): BannerStyle {
     };
   }
 
+  // 3. RETARDÉ
+  if (normType.includes('retard')) {
+    return {
+      bgColor: '#fff1ed',
+      textColor: '#c00',
+      iconBgColor: '#e65100',
+      iconText: '!',
+      badgeLabel: 'Retard',
+      defaultCause: 'Retard estimé'
+    };
+  }
+
+  // 4. A L'HEURE
+  if (normType.includes('heure') || normType === 'a_l_heure' || normType === 'normal') {
+    return {
+      bgColor: '#f0fdf4',
+      textColor: '#15803d',
+      iconBgColor: '#15803d',
+      iconText: '✓',
+      badgeLabel: 'A l\'heure',
+      defaultCause: 'Train à l\'heure'
+    };
+  }
+
   // Default: Information
   return {
     bgColor: '#eef7fc',