diff --git a/.gitignore b/.gitignore
index 2e51005..5783875 100644
--- a/.gitignore
+++ b/.gitignore
@@ -40,3 +40,6 @@ next-env.d.ts
 
 # uploads
 /public/uploads
+
+# participations PDF
+/data/participations
diff --git a/app/api/dashboard/stats/route.ts b/app/api/dashboard/stats/route.ts
index fcee248..8ae2085 100644
--- a/app/api/dashboard/stats/route.ts
+++ b/app/api/dashboard/stats/route.ts
@@ -23,25 +23,26 @@ export async function GET(request: NextRequest) {
     const startOfYesterday = new Date(now.getFullYear(), now.getMonth(), now.getDate() - 1);
     const endOfYesterday = new Date(now.getFullYear(), now.getMonth(), now.getDate() - 1, 23, 59, 59, 999);
 
-    // 1. Participations du mois (montant total des trajets validés/terminés + nombre de factures)
-    // Pour l'instant, on considère qu'un trajet terminé = une facture
-    // Montant estimé : 6.80€ par trajet (valeur moyenne basée sur l'image)
-    const trajetsMois = await prisma.trajet.findMany({
+    // 1. Participations du mois (trajets validés/terminés ce mois)
+    const participationsMoisData = await prisma.participationFinanciere.findMany({
       where: {
-        archived: false,
-        statut: {
-          in: ['Terminé', 'Validé'],
-        },
-        date: {
-          gte: startOfMonth,
-          lte: endOfMonth,
+        trajet: {
+          date: {
+            gte: startOfMonth,
+            lte: endOfMonth,
+          },
         },
       },
+      include: { trajet: { select: { date: true } } },
     });
 
-    const montantMoyenParTrajet = 6.80; // Montant moyen par trajet en euros
-    const participationsMois = trajetsMois.length * montantMoyenParTrajet;
-    const nombreFactures = trajetsMois.length;
+    const participationsCeMois = participationsMoisData;
+    const montantMoyenParTrajet = 6.80;
+    const participationsMois = participationsCeMois.reduce(
+      (sum, p) => sum + (p.montant ?? montantMoyenParTrajet),
+      0
+    );
+    const nombreFactures = participationsCeMois.length;
 
     // 2. Trajets aujourd'hui
     const trajetsAujourdhui = await prisma.trajet.count({
diff --git a/app/api/participations/[id]/pdf/route.ts b/app/api/participations/[id]/pdf/route.ts
new file mode 100644
index 0000000..aa3a328
--- /dev/null
+++ b/app/api/participations/[id]/pdf/route.ts
@@ -0,0 +1,57 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { prisma } from '@/lib/prisma';
+import { getCurrentUser } from '@/lib/auth';
+import { generateParticipationPDF, getParticipationStoragePath } from '@/lib/participation-pdf';
+
+// GET - Récupérer le PDF d'une participation (régénéré à chaque vue pour le design à jour)
+export async function GET(
+  request: NextRequest,
+  { params }: { params: { id: string } }
+) {
+  try {
+    const user = await getCurrentUser();
+    if (!user) {
+      return new NextResponse('Non autorisé', { status: 401 });
+    }
+
+    const participation = await prisma.participationFinanciere.findUnique({
+      where: { id: params.id },
+      include: {
+        adherent: true,
+        trajet: true,
+      },
+    });
+
+    if (!participation) {
+      return new NextResponse('Participation non trouvée', { status: 404 });
+    }
+
+    const filePath = getParticipationStoragePath(participation.id);
+    const pdfBuffer = await generateParticipationPDF(
+      {
+        adherentNom: participation.adherent.nom,
+        adherentPrenom: participation.adherent.prenom,
+        adherentAdresse: participation.adherent.adresse,
+        destinataireEmail: participation.destinataireEmail,
+        destinataireNom: participation.destinataireNom,
+        dateTrajet: participation.trajet.date,
+        adresseDepart: participation.trajet.adresseDepart,
+        adresseArrivee: participation.trajet.adresseArrivee,
+        montant: participation.montant ?? undefined,
+        complement: participation.complement ?? undefined,
+        participationId: participation.id,
+      },
+      filePath
+    );
+
+    return new NextResponse(pdfBuffer, {
+      headers: {
+        'Content-Type': 'application/pdf',
+        'Content-Disposition': `inline; filename="participation-${params.id}.pdf"`,
+      },
+    });
+  } catch (error) {
+    console.error('Erreur lors de la récupération du PDF:', error);
+    return new NextResponse('Erreur serveur', { status: 500 });
+  }
+}
diff --git a/app/api/participations/[id]/route.ts b/app/api/participations/[id]/route.ts
new file mode 100644
index 0000000..3760b71
--- /dev/null
+++ b/app/api/participations/[id]/route.ts
@@ -0,0 +1,203 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { prisma } from '@/lib/prisma';
+import { getCurrentUser } from '@/lib/auth';
+import { generateParticipationPDF, getParticipationStoragePath } from '@/lib/participation-pdf';
+
+// GET - Récupérer une participation
+export async function GET(
+  request: NextRequest,
+  { params }: { params: { id: string } }
+) {
+  try {
+    const user = await getCurrentUser();
+    if (!user) {
+      return NextResponse.json({ error: 'Non autorisé' }, { status: 401 });
+    }
+
+    const participation = await prisma.participationFinanciere.findUnique({
+      where: { id: params.id },
+      include: {
+        adherent: true,
+        trajet: {
+          include: {
+            chauffeur: { select: { nom: true, prenom: true } },
+            universPro: { select: { nom: true, prenom: true, nomEntreprise: true, email: true } },
+          },
+        },
+      },
+    });
+
+    if (!participation) {
+      return NextResponse.json({ error: 'Participation non trouvée' }, { status: 404 });
+    }
+
+    return NextResponse.json(participation);
+  } catch (error) {
+    console.error('Erreur lors de la récupération de la participation:', error);
+    return NextResponse.json(
+      { error: 'Erreur serveur' },
+      { status: 500 }
+    );
+  }
+}
+
+// PUT - Modifier une participation
+export async function PUT(
+  request: NextRequest,
+  { params }: { params: { id: string } }
+) {
+  try {
+    const user = await getCurrentUser();
+    if (!user) {
+      return NextResponse.json({ error: 'Non autorisé' }, { status: 401 });
+    }
+
+    const participation = await prisma.participationFinanciere.findUnique({
+      where: { id: params.id },
+      include: {
+        adherent: true,
+        trajet: { include: { adherent: true } },
+      },
+    });
+
+    if (!participation) {
+      return NextResponse.json({ error: 'Participation non trouvée' }, { status: 404 });
+    }
+
+    const body = await request.json();
+    const { destinataireEmail, destinataireNom, destinataireType, montant, complement } = body;
+
+    const updated = await prisma.participationFinanciere.update({
+      where: { id: params.id },
+      data: {
+        ...(destinataireEmail && { destinataireEmail }),
+        ...(destinataireNom && { destinataireNom }),
+        ...(destinataireType && { destinataireType }),
+        ...(montant !== undefined && { montant }),
+        ...(complement !== undefined && { complement }),
+      },
+    });
+
+    // Régénérer le PDF si les données ont changé
+    const dataToUpdate =
+      destinataireEmail || destinataireNom || montant !== undefined || complement !== undefined;
+    if (dataToUpdate) {
+      const filePath = getParticipationStoragePath(participation.id);
+      await generateParticipationPDF(
+        {
+          adherentNom: participation.adherent.nom,
+          adherentPrenom: participation.adherent.prenom,
+          adherentAdresse: participation.adherent.adresse,
+          destinataireEmail: updated.destinataireEmail,
+          destinataireNom: updated.destinataireNom,
+          dateTrajet: participation.trajet.date,
+          adresseDepart: participation.trajet.adresseDepart,
+          adresseArrivee: participation.trajet.adresseArrivee,
+          montant: updated.montant ?? undefined,
+          complement: updated.complement ?? undefined,
+          participationId: participation.id,
+        },
+        filePath
+      );
+      await prisma.participationFinanciere.update({
+        where: { id: params.id },
+        data: { filePath },
+      });
+    }
+
+    const fullUpdated = await prisma.participationFinanciere.findUnique({
+      where: { id: params.id },
+      include: {
+        adherent: { select: { id: true, nom: true, prenom: true, email: true } },
+        trajet: { select: { id: true, date: true, adresseDepart: true, adresseArrivee: true, statut: true } },
+      },
+    });
+
+    return NextResponse.json(fullUpdated);
+  } catch (error) {
+    console.error('Erreur lors de la mise à jour de la participation:', error);
+    return NextResponse.json(
+      { error: 'Erreur serveur' },
+      { status: 500 }
+    );
+  }
+}
+
+// PATCH - Changer le statut d'une participation
+export async function PATCH(
+  request: NextRequest,
+  { params }: { params: { id: string } }
+) {
+  try {
+    const user = await getCurrentUser();
+    if (!user) {
+      return NextResponse.json({ error: 'Non autorisé' }, { status: 401 });
+    }
+
+    const body = await request.json();
+    const { statut } = body;
+
+    const validStatuts = ['en_attente', 'envoye', 'paye', 'archive'];
+    if (!statut || !validStatuts.includes(statut)) {
+      return NextResponse.json({ error: 'Statut invalide' }, { status: 400 });
+    }
+
+    const participation = await prisma.participationFinanciere.findUnique({
+      where: { id: params.id },
+    });
+
+    if (!participation) {
+      return NextResponse.json({ error: 'Participation non trouvée' }, { status: 404 });
+    }
+
+    const updated = await prisma.participationFinanciere.update({
+      where: { id: params.id },
+      data: { statut },
+    });
+
+    return NextResponse.json(updated);
+  } catch (error) {
+    console.error('Erreur lors du changement de statut:', error);
+    return NextResponse.json({ error: 'Erreur serveur' }, { status: 500 });
+  }
+}
+
+// DELETE - Supprimer une participation
+export async function DELETE(
+  request: NextRequest,
+  { params }: { params: { id: string } }
+) {
+  try {
+    const user = await getCurrentUser();
+    if (!user) {
+      return NextResponse.json({ error: 'Non autorisé' }, { status: 401 });
+    }
+
+    const participation = await prisma.participationFinanciere.findUnique({
+      where: { id: params.id },
+    });
+
+    if (!participation) {
+      return NextResponse.json({ error: 'Participation non trouvée' }, { status: 404 });
+    }
+
+    const fs = await import('fs');
+    const path = await import('path');
+    const filePath = getParticipationStoragePath(participation.id);
+    if (fs.existsSync(filePath)) {
+      fs.unlinkSync(filePath);
+    }
+
+    await prisma.participationFinanciere.delete({
+      where: { id: params.id },
+    });
+
+    return NextResponse.json({ message: 'Participation supprimée' });
+  } catch (error) {
+    console.error('Erreur lors de la suppression de la participation:', error);
+    return NextResponse.json(
+      { error: 'Erreur serveur' },
+      { status: 500 }
+    );
+  }
+}
diff --git a/app/api/participations/[id]/send/route.ts b/app/api/participations/[id]/send/route.ts
new file mode 100644
index 0000000..c5bdced
--- /dev/null
+++ b/app/api/participations/[id]/send/route.ts
@@ -0,0 +1,110 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { prisma } from '@/lib/prisma';
+import { getCurrentUser } from '@/lib/auth';
+import { getParticipationStoragePath } from '@/lib/participation-pdf';
+import fs from 'fs';
+
+// POST - Envoyer la participation par email
+export async function POST(
+  request: NextRequest,
+  { params }: { params: { id: string } }
+) {
+  try {
+    const user = await getCurrentUser();
+    if (!user) {
+      return NextResponse.json({ error: 'Non autorisé' }, { status: 401 });
+    }
+
+    const participation = await prisma.participationFinanciere.findUnique({
+      where: { id: params.id },
+      include: {
+        adherent: { select: { prenom: true, nom: true } },
+        trajet: { select: { date: true } },
+      },
+    });
+
+    if (!participation) {
+      return NextResponse.json({ error: 'Participation non trouvée' }, { status: 404 });
+    }
+
+    const filePath = getParticipationStoragePath(participation.id);
+    if (!fs.existsSync(filePath)) {
+      return NextResponse.json(
+        { error: 'Le document PDF n\'a pas été généré' },
+        { status: 400 }
+      );
+    }
+
+    // Vérifier la configuration email
+    const smtpHost = process.env.SMTP_HOST;
+    const smtpUser = process.env.SMTP_USER;
+    const smtpPass = process.env.SMTP_PASS;
+
+    if (!smtpHost || !smtpUser || !smtpPass) {
+      return NextResponse.json(
+        {
+          error:
+            "L'envoi par email n'est pas configuré. Configurez SMTP_HOST, SMTP_USER et SMTP_PASS dans les variables d'environnement.",
+        },
+        { status: 503 }
+      );
+    }
+
+    const nodemailer = await import('nodemailer');
+    const transporter = nodemailer.default.createTransport({
+      host: smtpHost,
+      port: parseInt(process.env.SMTP_PORT || '587'),
+      secure: process.env.SMTP_SECURE === 'true',
+      auth: {
+        user: smtpUser,
+        pass: smtpPass,
+      },
+    });
+
+    const pdfBuffer = fs.readFileSync(filePath);
+    const dateTrajet = participation.trajet?.date
+      ? new Date(participation.trajet.date).toLocaleDateString('fr-FR', {
+          day: '2-digit',
+          month: 'long',
+          year: 'numeric',
+        })
+      : '';
+
+    await transporter.sendMail({
+      from: process.env.SMTP_FROM || smtpUser,
+      to: participation.destinataireEmail,
+      subject: `Participation financière - ${participation.adherent.prenom} ${participation.adherent.nom} - ${dateTrajet}`,
+      text: `Bonjour,\n\nVeuillez trouver ci-joint la participation financière concernant le trajet du ${dateTrajet} pour ${participation.adherent.prenom} ${participation.adherent.nom}.\n\nCordialement`,
+      html: `
+        <p>Bonjour,</p>
+        <p>Veuillez trouver ci-joint la participation financière concernant le trajet du <strong>${dateTrajet}</strong> pour <strong>${participation.adherent.prenom} ${participation.adherent.nom}</strong>.</p>
+        <p>Cordialement</p>
+      `,
+      attachments: [
+        {
+          filename: `participation-financiere-${params.id}.pdf`,
+          content: pdfBuffer,
+        },
+      ],
+    });
+
+    // Mettre à jour le statut en "envoyé"
+    await prisma.participationFinanciere.update({
+      where: { id: params.id },
+      data: { statut: 'envoye' },
+    });
+
+    return NextResponse.json({
+      message: `Participation envoyée à ${participation.destinataireEmail}`,
+    });
+  } catch (error) {
+    console.error('Erreur lors de l\'envoi de l\'email:', error);
+    return NextResponse.json(
+      {
+        error:
+          error instanceof Error ? error.message : 'Erreur lors de l\'envoi de l\'email',
+      },
+      { status: 500 }
+    );
+  }
+}
diff --git a/app/api/participations/route.ts b/app/api/participations/route.ts
new file mode 100644
index 0000000..e2e880d
--- /dev/null
+++ b/app/api/participations/route.ts
@@ -0,0 +1,51 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { prisma } from '@/lib/prisma';
+import { getCurrentUser } from '@/lib/auth';
+
+// GET - Liste toutes les participations financières
+export async function GET(request: NextRequest) {
+  try {
+    const user = await getCurrentUser();
+    if (!user) {
+      return NextResponse.json({ error: 'Non autorisé' }, { status: 401 });
+    }
+
+    const participations = await prisma.participationFinanciere.findMany({
+      orderBy: { createdAt: 'desc' },
+      include: {
+        adherent: {
+          select: {
+            id: true,
+            nom: true,
+            prenom: true,
+            email: true,
+          },
+        },
+        trajet: {
+          select: {
+            id: true,
+            date: true,
+            adresseDepart: true,
+            adresseArrivee: true,
+            statut: true,
+            chauffeur: {
+              select: {
+                id: true,
+                nom: true,
+                prenom: true,
+              },
+            },
+          },
+        },
+      },
+    });
+
+    return NextResponse.json(participations);
+  } catch (error) {
+    console.error('Erreur lors de la récupération des participations:', error);
+    return NextResponse.json(
+      { error: 'Erreur serveur' },
+      { status: 500 }
+    );
+  }
+}
diff --git a/app/api/trajets/[id]/route.ts b/app/api/trajets/[id]/route.ts
index 5192245..a20b655 100644
--- a/app/api/trajets/[id]/route.ts
+++ b/app/api/trajets/[id]/route.ts
@@ -2,6 +2,7 @@ import { NextRequest, NextResponse } from 'next/server';
 import { prisma } from '@/lib/prisma';
 import { getCurrentUser } from '@/lib/auth';
 import { createNotificationForAllUsers } from '@/lib/notifications';
+import { createParticipationForTrajet } from '@/lib/participation-financiere';
 
 // GET - Récupérer un trajet spécifique
 export async function GET(
@@ -69,6 +70,13 @@ export async function PUT(
     const body = await request.json();
     const { date, adresseDepart, adresseArrivee, commentaire, instructions, statut, adherentId, chauffeurId } = body;
 
+    const previousTrajet = statut
+      ? await prisma.trajet.findUnique({
+          where: { id: params.id },
+          select: { statut: true },
+        })
+      : null;
+
     const trajet = await prisma.trajet.update({
       where: { id: params.id },
       data: {
@@ -80,6 +88,7 @@ export async function PUT(
         ...(statut && { statut }),
         ...(adherentId && { adherentId }),
         ...(chauffeurId !== undefined && { chauffeurId }),
+        ...(body.universProId !== undefined && { universProId: body.universProId || null }),
       },
       include: {
         adherent: {
@@ -105,52 +114,47 @@ export async function PUT(
     });
 
     // Créer une notification si le statut a changé
-    if (statut) {
-      const oldTrajet = await prisma.trajet.findUnique({
-        where: { id: params.id },
-        include: {
-          adherent: {
-            select: {
-              nom: true,
-              prenom: true,
-            },
-          },
-        },
+    if (statut && previousTrajet && previousTrajet.statut !== statut) {
+      const dateFormatted = new Date(trajet.date).toLocaleDateString('fr-FR', {
+        day: 'numeric',
+        month: 'long',
+        year: 'numeric',
+        hour: '2-digit',
+        minute: '2-digit',
       });
 
-      if (oldTrajet && oldTrajet.statut !== statut) {
-        const dateFormatted = new Date(trajet.date).toLocaleDateString('fr-FR', {
-          day: 'numeric',
-          month: 'long',
-          year: 'numeric',
-          hour: '2-digit',
-          minute: '2-digit',
-        });
+      let notificationType: 'trajet_cancelled' | 'trajet_completed' | null = null;
+      let notificationTitle = '';
+      let notificationMessage = '';
 
-        let notificationType: 'trajet_cancelled' | 'trajet_completed' | null = null;
-        let notificationTitle = '';
-        let notificationMessage = '';
+      if (statut === 'Annulé') {
+        notificationType = 'trajet_cancelled';
+        notificationTitle = 'Trajet annulé';
+        notificationMessage = `Le trajet pour ${trajet.adherent.prenom} ${trajet.adherent.nom} du ${dateFormatted} a été annulé`;
+      } else if (statut === 'Terminé') {
+        notificationType = 'trajet_completed';
+        notificationTitle = 'Trajet terminé';
+        notificationMessage = `Le trajet pour ${trajet.adherent.prenom} ${trajet.adherent.nom} du ${dateFormatted} est terminé`;
+      }
 
-        if (statut === 'Annulé') {
-          notificationType = 'trajet_cancelled';
-          notificationTitle = 'Trajet annulé';
-          notificationMessage = `Le trajet pour ${trajet.adherent.prenom} ${trajet.adherent.nom} du ${dateFormatted} a été annulé`;
-        } else if (statut === 'Terminé') {
-          notificationType = 'trajet_completed';
-          notificationTitle = 'Trajet terminé';
-          notificationMessage = `Le trajet pour ${trajet.adherent.prenom} ${trajet.adherent.nom} du ${dateFormatted} est terminé`;
-        }
+      if (notificationType) {
+        await createNotificationForAllUsers(
+          {
+            type: notificationType,
+            title: notificationTitle,
+            message: notificationMessage,
+            link: '/dashboard/calendrier',
+          },
+          user.id
+        );
+      }
 
-        if (notificationType) {
-          await createNotificationForAllUsers(
-            {
-              type: notificationType,
-              title: notificationTitle,
-              message: notificationMessage,
-              link: '/dashboard/calendrier',
-            },
-            user.id
-          );
+      // Créer la participation financière quand le trajet est terminé ou validé
+      if (statut === 'Terminé' || statut === 'Validé') {
+        try {
+          await createParticipationForTrajet(params.id);
+        } catch (err) {
+          console.error('Erreur création participation:', err);
         }
       }
     }
diff --git a/app/api/trajets/[id]/validate/route.ts b/app/api/trajets/[id]/validate/route.ts
index b8b5abc..cd1d87e 100644
--- a/app/api/trajets/[id]/validate/route.ts
+++ b/app/api/trajets/[id]/validate/route.ts
@@ -1,6 +1,7 @@
 import { NextRequest, NextResponse } from 'next/server';
 import { prisma } from '@/lib/prisma';
 import { getCurrentUser } from '@/lib/auth';
+import { createParticipationForTrajet } from '@/lib/participation-financiere';
 
 // POST - Valider un trajet et déduire les heures du chauffeur
 export async function POST(
@@ -23,11 +24,12 @@ export async function POST(
       );
     }
 
-    // Récupérer le trajet avec le chauffeur
+    // Récupérer le trajet avec le chauffeur et univers pro
     const trajet = await prisma.trajet.findUnique({
       where: { id: params.id },
       include: {
         chauffeur: true,
+        universPro: true,
       },
     });
 
@@ -97,6 +99,13 @@ export async function POST(
       }),
     ]);
 
+    // Créer la participation financière (document)
+    try {
+      await createParticipationForTrajet(params.id);
+    } catch (err) {
+      console.error('Erreur création participation:', err);
+    }
+
     return NextResponse.json({
       trajet: trajetUpdated,
       chauffeur: {
diff --git a/app/dashboard/factures/page.tsx b/app/dashboard/factures/page.tsx
new file mode 100644
index 0000000..c3cc81d
--- /dev/null
+++ b/app/dashboard/factures/page.tsx
@@ -0,0 +1,31 @@
+import { getCurrentUser } from '@/lib/auth';
+import { hasPageAccess } from '@/lib/permissions';
+import { redirect } from 'next/navigation';
+import DashboardLayout from '@/components/DashboardLayout';
+import ParticipationFinanciereList from '@/components/ParticipationFinanciereList';
+
+export default async function ParticipationFinancierePage() {
+  const user = await getCurrentUser();
+  if (!user) {
+    redirect('/login');
+  }
+
+  const hasAccess = await hasPageAccess(user.id, '/dashboard/factures');
+  if (!hasAccess) {
+    redirect('/dashboard/parametres');
+  }
+
+  return (
+    <DashboardLayout user={user}>
+      <div className="p-3 sm:p-4 md:p-6 lg:p-8">
+        <h1 className="text-xl sm:text-2xl md:text-3xl font-semibold text-cblack mb-1 sm:mb-2">
+          Participation financière
+        </h1>
+        <p className="text-xs md:text-sm text-cgray mb-4 sm:mb-6 md:mb-8">
+          Documents de participation générés à la fin de chaque trajet
+        </p>
+        <ParticipationFinanciereList />
+      </div>
+    </DashboardLayout>
+  );
+}
diff --git a/app/globals.css b/app/globals.css
index bbc4cd1..ecdd64c 100644
--- a/app/globals.css
+++ b/app/globals.css
@@ -121,3 +121,17 @@ body {
 .animate-slideInRight {
   animation: slideInRight 0.3s ease-out;
 }
+
+/* Sélection lisible dans les modales de formulaire */
+.participation-form input,
+.participation-form select,
+.participation-form textarea {
+  color: #181818;
+  color-scheme: light;
+}
+.participation-form input::selection,
+.participation-form select::selection,
+.participation-form textarea::selection {
+  background-color: #17B6C4;
+  color: white;
+}
diff --git a/components/CalendrierTrajets.tsx b/components/CalendrierTrajets.tsx
index 7bc7ffe..f3c210b 100644
--- a/components/CalendrierTrajets.tsx
+++ b/components/CalendrierTrajets.tsx
@@ -428,11 +428,12 @@ export default function CalendrierTrajets({ refreshTrigger }: CalendrierTrajetsP
                   date.getDate() === new Date().getDate() &&
                   date.getMonth() === new Date().getMonth() &&
                   date.getFullYear() === new Date().getFullYear();
-                const isSelected =
+                const isSelected = !!(
                   selectedDate &&
                   date.getDate() === selectedDate.getDate() &&
                   date.getMonth() === selectedDate.getMonth() &&
-                  date.getFullYear() === selectedDate.getFullYear();
+                  date.getFullYear() === selectedDate.getFullYear()
+                );
 
                 return (
                   <DroppableDayCell
diff --git a/components/DashboardContent.tsx b/components/DashboardContent.tsx
index 7ac8a60..6aa8369 100644
--- a/components/DashboardContent.tsx
+++ b/components/DashboardContent.tsx
@@ -184,7 +184,7 @@ export default function DashboardContent({ userName }: DashboardContentProps) {
               {stats ? `${stats.participationsMois.montant.toFixed(2).replace('.', ',')}€` : '0,00€'}
             </p>
             <p className="text-[10px] sm:text-xs text-gray-500 font-medium">
-              {stats ? `${stats.participationsMois.nombreFactures} ${stats.participationsMois.nombreFactures > 1 ? 'Factures' : 'Facture'}` : '0 Facture'}
+              {stats ? `${stats.participationsMois.nombreFactures} participation${stats.participationsMois.nombreFactures > 1 ? 's' : ''}` : '0 participation'}
             </p>
           </div>
         </div>
@@ -303,7 +303,7 @@ export default function DashboardContent({ userName }: DashboardContentProps) {
                     <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
                   </svg>
                 </div>
-                <h3 className="text-xs sm:text-sm font-bold text-gray-900 group-hover:text-lblue transition-colors">Nouvelle facture</h3>
+                <h3 className="text-xs sm:text-sm font-bold text-gray-900 group-hover:text-lblue transition-colors">Participation financière</h3>
               </div>
             </button>
 
diff --git a/components/DashboardLayout.tsx b/components/DashboardLayout.tsx
index f64d836..4696899 100644
--- a/components/DashboardLayout.tsx
+++ b/components/DashboardLayout.tsx
@@ -157,7 +157,7 @@ export default function DashboardLayout({ user, children }: DashboardLayoutProps
       ),
     },
     {
-      label: 'Factures',
+      label: 'Participation financière',
       href: '/dashboard/factures',
       icon: (
         <svg className="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
diff --git a/components/ParticipationEditModal.tsx b/components/ParticipationEditModal.tsx
new file mode 100644
index 0000000..48e5a54
--- /dev/null
+++ b/components/ParticipationEditModal.tsx
@@ -0,0 +1,180 @@
+'use client';
+
+import { useState, useEffect } from 'react';
+import { useNotification } from './NotificationProvider';
+
+interface Participation {
+  id: string;
+  destinataireEmail: string;
+  destinataireNom: string;
+  destinataireType: string;
+  montant: number | null;
+  complement: string | null;
+  adherent: { id: string; nom: string; prenom: string; email: string };
+  trajet: { id: string; date: string; adresseDepart: string; adresseArrivee: string };
+}
+
+interface ParticipationEditModalProps {
+  participation: Participation;
+  onClose: () => void;
+  onSuccess: () => void;
+}
+
+export default function ParticipationEditModal({
+  participation,
+  onClose,
+  onSuccess,
+}: ParticipationEditModalProps) {
+  const { showNotification } = useNotification();
+  const [loading, setLoading] = useState(false);
+  const [formData, setFormData] = useState({
+    destinataireEmail: '',
+    destinataireNom: '',
+    destinataireType: 'adherent',
+    montant: '',
+    complement: '',
+  });
+
+  useEffect(() => {
+    setFormData({
+      destinataireEmail: participation.destinataireEmail,
+      destinataireNom: participation.destinataireNom,
+      destinataireType: participation.destinataireType || 'adherent',
+      montant: participation.montant != null ? String(participation.montant) : '',
+      complement: participation.complement || '',
+    });
+  }, [participation]);
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setLoading(true);
+    try {
+      const response = await fetch(`/api/participations/${participation.id}`, {
+        method: 'PUT',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({
+          destinataireEmail: formData.destinataireEmail,
+          destinataireNom: formData.destinataireNom,
+          destinataireType: formData.destinataireType,
+          montant: formData.montant ? parseFloat(formData.montant) : null,
+          complement: formData.complement || null,
+        }),
+      });
+      if (response.ok) {
+        onSuccess();
+        onClose();
+      } else {
+        const data = await response.json();
+        showNotification('error', data.error || 'Erreur lors de la mise à jour');
+      }
+    } catch (error) {
+      showNotification('error', 'Erreur lors de la mise à jour');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleBackdropClick = (e: React.MouseEvent) => {
+    if (e.target === e.currentTarget) onClose();
+  };
+
+  const inputBaseClass =
+    'w-full px-3 py-2 border border-gray-300 rounded-lg bg-white text-gray-900 placeholder-gray-400 focus:ring-2 focus:ring-lblue focus:border-transparent selection:bg-lblue selection:text-white';
+
+  return (
+    <div
+      role="dialog"
+      aria-modal="true"
+      className="fixed inset-0 bg-black/60 backdrop-blur-sm flex items-center justify-center z-50 p-4 animate-fadeIn"
+      onClick={handleBackdropClick}
+    >
+      <div
+        className="bg-white rounded-lg shadow-xl max-w-lg w-full animate-slideUp border border-gray-200 max-h-[90vh] overflow-y-auto"
+        onClick={(e) => e.stopPropagation()}
+      >
+        <div className="border-b border-gray-200 px-6 py-4">
+          <h2 className="text-xl font-semibold text-gray-900">Modifier la participation</h2>
+          <p className="text-sm text-gray-500 mt-1">
+            {participation.adherent.prenom} {participation.adherent.nom} -{' '}
+            {new Date(participation.trajet.date).toLocaleDateString('fr-FR')}
+          </p>
+        </div>
+
+        <form onSubmit={handleSubmit} className="participation-form px-6 py-4 space-y-4">
+          <div>
+            <label className="block text-sm font-medium text-gray-700 mb-1">Email destinataire</label>
+            <input
+              type="email"
+              value={formData.destinataireEmail}
+              onChange={(e) => setFormData({ ...formData, destinataireEmail: e.target.value })}
+              className={inputBaseClass}
+              required
+            />
+          </div>
+          <div>
+            <label className="block text-sm font-medium text-gray-700 mb-1">Nom destinataire</label>
+            <input
+              type="text"
+              value={formData.destinataireNom}
+              onChange={(e) => setFormData({ ...formData, destinataireNom: e.target.value })}
+              className={inputBaseClass}
+              required
+            />
+          </div>
+          <div>
+            <label className="block text-sm font-medium text-gray-700 mb-1">Type destinataire</label>
+            <select
+              value={formData.destinataireType}
+              onChange={(e) => setFormData({ ...formData, destinataireType: e.target.value })}
+              className={inputBaseClass}
+            >
+              <option value="adherent">Adhérent</option>
+              <option value="univers_pro">Univers Pro</option>
+            </select>
+          </div>
+          <div>
+            <label className="block text-sm font-medium text-gray-700 mb-1">Montant (€)</label>
+            <input
+              type="number"
+              step="0.01"
+              min="0"
+              value={formData.montant}
+              onChange={(e) => setFormData({ ...formData, montant: e.target.value })}
+              className={inputBaseClass}
+              placeholder="6.80"
+            />
+          </div>
+          <div>
+            <label className="block text-sm font-medium text-gray-700 mb-1">
+              Informations complémentaires
+            </label>
+            <textarea
+              value={formData.complement}
+              onChange={(e) => setFormData({ ...formData, complement: e.target.value })}
+              rows={3}
+              className={`${inputBaseClass} resize-none`}
+              placeholder="Notes, commentaires..."
+            />
+          </div>
+
+          <div className="flex justify-end gap-3 pt-4 border-t border-gray-200">
+            <button
+              type="button"
+              onClick={onClose}
+              className="px-4 py-2 text-sm font-medium text-gray-700 hover:text-gray-900"
+            >
+              Annuler
+            </button>
+            <button
+              type="submit"
+              disabled={loading}
+              className="px-6 py-2 text-sm font-medium bg-lblue hover:bg-dblue text-white rounded-lg disabled:opacity-50"
+            >
+              {loading ? 'Enregistrement...' : 'Enregistrer'}
+            </button>
+          </div>
+        </form>
+      </div>
+    </div>
+  );
+}
diff --git a/components/ParticipationFinanciereList.tsx b/components/ParticipationFinanciereList.tsx
new file mode 100644
index 0000000..fbb2246
--- /dev/null
+++ b/components/ParticipationFinanciereList.tsx
@@ -0,0 +1,796 @@
+'use client';
+
+import { useState, useEffect } from 'react';
+import { createPortal } from 'react-dom';
+import { useNotification } from './NotificationProvider';
+import ConfirmModal from './ConfirmModal';
+import ParticipationEditModal from './ParticipationEditModal';
+
+interface Participation {
+  id: string;
+  destinataireEmail: string;
+  destinataireNom: string;
+  destinataireType: string;
+  montant: number | null;
+  complement: string | null;
+  filePath: string | null;
+  statut: string;
+  createdAt: string;
+  adherent: {
+    id: string;
+    nom: string;
+    prenom: string;
+    email: string;
+  };
+  trajet: {
+    id: string;
+    date: string;
+    adresseDepart: string;
+    adresseArrivee: string;
+    statut: string;
+    chauffeur: {
+      id: string;
+      nom: string;
+      prenom: string;
+    } | null;
+  };
+}
+
+const STATUT_CONFIG: Record<string, { label: string; className: string; dot: string }> = {
+  en_attente: {
+    label: "En attente d'envoi",
+    className: 'bg-amber-100 text-amber-800',
+    dot: 'bg-amber-500',
+  },
+  envoye: {
+    label: 'Envoyé',
+    className: 'bg-blue-100 text-blue-800',
+    dot: 'bg-blue-500',
+  },
+  paye: {
+    label: 'Payé',
+    className: 'bg-emerald-100 text-emerald-800',
+    dot: 'bg-emerald-500',
+  },
+  archive: {
+    label: 'Archivé',
+    className: 'bg-gray-200 text-gray-700',
+    dot: 'bg-gray-500',
+  },
+};
+
+function getRefNum(id: string) {
+  return `PART-${id.slice(-8).toUpperCase()}`;
+}
+
+export default function ParticipationFinanciereList() {
+  const { showNotification } = useNotification();
+  const [participations, setParticipations] = useState<Participation[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [searchTerm, setSearchTerm] = useState('');
+  const [showDeleteConfirm, setShowDeleteConfirm] = useState(false);
+  const [participationToDelete, setParticipationToDelete] = useState<string | null>(null);
+  const [sendingId, setSendingId] = useState<string | null>(null);
+  const [editingParticipation, setEditingParticipation] = useState<Participation | null>(null);
+  const [openMenuId, setOpenMenuId] = useState<string | null>(null);
+  const [menuAnchor, setMenuAnchor] = useState<{ top: number; left: number } | null>(null);
+  const [statusFilter, setStatusFilter] = useState<string>('');
+  const [selectedIds, setSelectedIds] = useState<Set<string>>(new Set());
+  const [bulkUpdating, setBulkUpdating] = useState(false);
+  const [showBulkDeleteConfirm, setShowBulkDeleteConfirm] = useState(false);
+  const [openBulkDropdown, setOpenBulkDropdown] = useState<'statut' | 'actions' | null>(null);
+
+  useEffect(() => {
+    fetchParticipations();
+  }, []);
+
+  useEffect(() => {
+    const handleClickOutside = () => {
+      setOpenMenuId(null);
+      setMenuAnchor(null);
+    };
+    if (openMenuId) {
+      document.addEventListener('click', handleClickOutside);
+      return () => document.removeEventListener('click', handleClickOutside);
+    }
+  }, [openMenuId]);
+
+  useEffect(() => {
+    const handleClickOutside = () => setOpenBulkDropdown(null);
+    if (openBulkDropdown) {
+      document.addEventListener('click', handleClickOutside);
+      return () => document.removeEventListener('click', handleClickOutside);
+    }
+  }, [openBulkDropdown]);
+
+  const fetchParticipations = async () => {
+    setLoading(true);
+    try {
+      const response = await fetch('/api/participations');
+      if (response.ok) {
+        const data = await response.json();
+        setParticipations(data);
+      } else {
+        showNotification('error', 'Erreur lors du chargement des participations');
+      }
+    } catch {
+      showNotification('error', 'Erreur lors du chargement des participations');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleViewPdf = (id: string) => {
+    window.open(`/api/participations/${id}/pdf`, '_blank', 'noopener,noreferrer');
+  };
+
+  const handleSendEmail = async (id: string) => {
+    setSendingId(id);
+    setOpenMenuId(null);
+    try {
+      const response = await fetch(`/api/participations/${id}/send`, {
+        method: 'POST',
+      });
+      const data = await response.json();
+      if (response.ok) {
+        showNotification('success', data.message);
+        fetchParticipations();
+      } else {
+        showNotification('error', data.error || "Erreur lors de l'envoi");
+      }
+    } catch {
+      showNotification('error', "Erreur lors de l'envoi de l'email");
+    } finally {
+      setSendingId(null);
+    }
+  };
+
+  const handleEditClick = (p: Participation) => {
+    setEditingParticipation(p);
+    setOpenMenuId(null);
+  };
+
+  const handleEditSuccess = () => {
+    setEditingParticipation(null);
+    fetchParticipations();
+    showNotification('success', 'Participation mise à jour');
+  };
+
+  const handleDeleteClick = (id: string) => {
+    setParticipationToDelete(id);
+    setShowDeleteConfirm(true);
+    setOpenMenuId(null);
+  };
+
+  const handleDelete = async () => {
+    if (!participationToDelete) return;
+    setShowDeleteConfirm(false);
+    try {
+      const response = await fetch(`/api/participations/${participationToDelete}`, {
+        method: 'DELETE',
+      });
+      if (response.ok) {
+        showNotification('success', 'Participation supprimée');
+        fetchParticipations();
+      } else {
+        const data = await response.json();
+        showNotification('error', data.error || 'Erreur lors de la suppression');
+      }
+    } catch {
+      showNotification('error', 'Erreur lors de la suppression');
+    } finally {
+      setParticipationToDelete(null);
+    }
+  };
+
+  const handleStatutChange = async (id: string, newStatut: string) => {
+    setOpenMenuId(null);
+    setMenuAnchor(null);
+    try {
+      const response = await fetch(`/api/participations/${id}`, {
+        method: 'PATCH',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ statut: newStatut }),
+      });
+      if (response.ok) {
+        fetchParticipations();
+      } else {
+        showNotification('error', 'Erreur lors du changement de statut');
+      }
+    } catch {
+      showNotification('error', 'Erreur lors du changement de statut');
+    }
+  };
+
+  const filteredParticipations = participations.filter((p) => {
+    const search = searchTerm.toLowerCase();
+    const ref = getRefNum(p.id).toLowerCase();
+    const chauffeurName = p.trajet.chauffeur
+      ? `${p.trajet.chauffeur.prenom} ${p.trajet.chauffeur.nom}`.toLowerCase()
+      : '';
+    const matchesSearch =
+      p.adherent.nom.toLowerCase().includes(search) ||
+      p.adherent.prenom.toLowerCase().includes(search) ||
+      ref.includes(search) ||
+      chauffeurName.includes(search) ||
+      p.destinataireNom.toLowerCase().includes(search);
+    const matchesStatus = !statusFilter || p.statut === statusFilter;
+    return matchesSearch && matchesStatus;
+  });
+
+  const handleSelectAll = (checked: boolean) => {
+    if (checked) {
+      setSelectedIds(new Set(filteredParticipations.map((p) => p.id)));
+    } else {
+      setSelectedIds(new Set());
+    }
+  };
+
+  const handleSelectOne = (id: string, checked: boolean) => {
+    const next = new Set(selectedIds);
+    if (checked) next.add(id);
+    else next.delete(id);
+    setSelectedIds(next);
+  };
+
+  const handleBulkStatusChange = async (newStatut: string) => {
+    if (selectedIds.size === 0) return;
+    setBulkUpdating(true);
+    try {
+      const results = await Promise.allSettled(
+        Array.from(selectedIds).map((id) =>
+          fetch(`/api/participations/${id}`, {
+            method: 'PATCH',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ statut: newStatut }),
+          })
+        )
+      );
+      const failed = results.filter((r) => r.status === 'rejected' || (r.status === 'fulfilled' && !r.value.ok));
+      if (failed.length === 0) {
+        showNotification('success', `${selectedIds.size} participation(s) mise(s) à jour`);
+        setSelectedIds(new Set());
+        fetchParticipations();
+      } else {
+        showNotification('error', `${failed.length} mise(s) à jour ont échoué`);
+      }
+    } catch {
+      showNotification('error', 'Erreur lors de la mise à jour en masse');
+    } finally {
+      setBulkUpdating(false);
+    }
+  };
+
+  const handleBulkSendEmail = async () => {
+    if (selectedIds.size === 0) return;
+    setBulkUpdating(true);
+    try {
+      const results = await Promise.allSettled(
+        Array.from(selectedIds).map((id) =>
+          fetch(`/api/participations/${id}/send`, { method: 'POST' })
+        )
+      );
+      const success = results.filter((r) => r.status === 'fulfilled' && r.value.ok).length;
+      const failed = results.filter((r) => r.status === 'rejected' || (r.status === 'fulfilled' && !r.value.ok));
+      if (failed.length === 0) {
+        showNotification('success', `${success} participation(s) envoyée(s) par email`);
+        setSelectedIds(new Set());
+        fetchParticipations();
+      } else {
+        showNotification(
+          failed.length === results.length ? 'error' : 'success',
+          success > 0 ? `${success} envoyée(s), ${failed.length} échec(s)` : `${failed.length} envoi(s) ont échoué`
+        );
+        if (success > 0) fetchParticipations();
+      }
+    } catch {
+      showNotification('error', 'Erreur lors de l\'envoi en masse');
+    } finally {
+      setBulkUpdating(false);
+    }
+  };
+
+  const handleBulkDeleteConfirm = async () => {
+    if (selectedIds.size === 0) return;
+    setShowBulkDeleteConfirm(false);
+    const idsToDelete = Array.from(selectedIds);
+    setBulkUpdating(true);
+    try {
+      const results = await Promise.allSettled(
+        idsToDelete.map((id) =>
+          fetch(`/api/participations/${id}`, { method: 'DELETE' })
+        )
+      );
+      const failed = results.filter((r) => r.status === 'rejected' || (r.status === 'fulfilled' && !r.value.ok));
+      if (failed.length === 0) {
+        showNotification('success', `${idsToDelete.length} participation(s) supprimée(s)`);
+      } else {
+        showNotification('error', `${failed.length} suppression(s) ont échoué`);
+      }
+      setSelectedIds(new Set());
+      fetchParticipations();
+    } catch {
+      showNotification('error', 'Erreur lors de la suppression en masse');
+    } finally {
+      setBulkUpdating(false);
+    }
+  };
+
+  return (
+    <>
+      {/* Barre de recherche - même design que Adhérents / Chauffeurs */}
+      <div className="bg-white rounded-lg shadow-sm p-3 sm:p-4 mb-4 sm:mb-6">
+        <div className="flex flex-col md:flex-row gap-4 items-center">
+          <div className="flex-1 w-full md:w-auto">
+            <div className="relative">
+              <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
+                <svg className="h-5 w-5 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" />
+                </svg>
+              </div>
+              <input
+                type="text"
+                placeholder="Rechercher (adhérent, n° document, chauffeur...)"
+                value={searchTerm}
+                onChange={(e) => setSearchTerm(e.target.value)}
+                className="block w-full pl-10 pr-3 py-2 border border-gray-300 rounded-lg text-gray-900 placeholder-gray-400 focus:outline-none focus:ring-2 focus:ring-lblue focus:border-transparent"
+              />
+            </div>
+          </div>
+        </div>
+      </div>
+
+      {/* Filtres statut + actions en masse */}
+      {(participations.length > 0 || selectedIds.size > 0) && (
+      <div className="bg-white rounded-lg shadow-sm p-3 sm:p-4 mb-3 sm:mb-4">
+        <div className="flex flex-col gap-3 sm:gap-4">
+          {/* Filtres par statut */}
+          <div className="flex flex-wrap items-center gap-2">
+            <span className="text-xs font-medium text-gray-500 uppercase tracking-wider">Statut :</span>
+            {[
+              { key: '', label: 'Tous' },
+              ...Object.entries(STATUT_CONFIG).map(([key, config]) => ({ key, label: config.label })),
+            ].map(({ key, label }) => (
+              <button
+                key={key || 'all'}
+                onClick={() => setStatusFilter(key)}
+                className={`px-3 py-1.5 text-xs font-medium rounded-full transition-colors ${
+                  statusFilter === key
+                    ? key
+                      ? `${STATUT_CONFIG[key]?.className ?? 'bg-gray-200'} ring-2 ring-offset-1 ring-gray-300`
+                      : 'bg-lblue text-white'
+                    : 'bg-gray-100 text-gray-600 hover:bg-gray-200'
+                }`}
+              >
+                {label}
+              </button>
+            ))}
+          </div>
+
+          {/* Barre d'actions en masse - 2 menus déroulants */}
+          {selectedIds.size > 0 && (
+            <div className="flex flex-col sm:flex-row sm:flex-wrap items-stretch sm:items-center gap-3 pt-2 border-t border-gray-100 sm:border-t-0 sm:pt-0">
+              <span className="text-sm text-gray-600 order-first sm:order-none">
+                {selectedIds.size} sélectionné{selectedIds.size > 1 ? 's' : ''}
+              </span>
+              <div className="flex flex-col sm:flex-row gap-2 w-full sm:w-auto">
+                {/* Menu Changer le statut */}
+                <div className="relative w-full sm:w-auto">
+                  <button
+                    onClick={(e) => {
+                      e.stopPropagation();
+                      setOpenBulkDropdown(openBulkDropdown === 'statut' ? null : 'statut');
+                    }}
+                    disabled={bulkUpdating}
+                    className="w-full sm:w-auto inline-flex items-center justify-center gap-2 px-4 py-2.5 sm:py-2 text-sm font-medium rounded-lg bg-lblue text-white hover:bg-dblue disabled:opacity-50 transition-colors"
+                  >
+                    Changer le statut
+                    <svg className={`w-4 h-4 transition-transform flex-shrink-0 ${openBulkDropdown === 'statut' ? 'rotate-180' : ''}`} fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" />
+                    </svg>
+                  </button>
+                  {openBulkDropdown === 'statut' && (
+                    <div
+                      className="absolute left-0 right-0 sm:right-auto sm:w-52 top-full mt-1 z-50 w-full min-w-[12rem] bg-white rounded-lg shadow-lg border border-gray-200 py-1"
+                      onClick={(e) => e.stopPropagation()}
+                    >
+                      {Object.entries(STATUT_CONFIG).map(([key, config]) => (
+                        <button
+                          key={key}
+                          onClick={() => { handleBulkStatusChange(key); setOpenBulkDropdown(null); }}
+                          disabled={bulkUpdating}
+                          className="w-full flex items-center gap-2 px-4 py-2.5 text-sm text-gray-700 hover:bg-gray-50 disabled:opacity-50"
+                        >
+                          <span className={`w-2.5 h-2.5 rounded-full ${config.dot}`} />
+                          {config.label}
+                        </button>
+                      ))}
+                    </div>
+                  )}
+                </div>
+
+                {/* Menu Actions */}
+                <div className="relative w-full sm:w-auto">
+                  <button
+                    onClick={(e) => {
+                      e.stopPropagation();
+                      setOpenBulkDropdown(openBulkDropdown === 'actions' ? null : 'actions');
+                    }}
+                    disabled={bulkUpdating}
+                    className="w-full sm:w-auto inline-flex items-center justify-center gap-2 px-4 py-2.5 sm:py-2 text-sm font-medium rounded-lg border border-gray-300 bg-white text-gray-700 hover:bg-gray-50 disabled:opacity-50 transition-colors"
+                  >
+                    Actions
+                    <svg className={`w-4 h-4 transition-transform flex-shrink-0 ${openBulkDropdown === 'actions' ? 'rotate-180' : ''}`} fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" />
+                    </svg>
+                  </button>
+                  {openBulkDropdown === 'actions' && (
+                    <div
+                      className="absolute left-0 right-0 sm:left-0 sm:right-auto sm:w-52 top-full mt-1 z-50 w-full min-w-[12rem] bg-white rounded-lg shadow-lg border border-gray-200 py-1"
+                      onClick={(e) => e.stopPropagation()}
+                    >
+                      <button
+                        onClick={() => { handleBulkSendEmail(); setOpenBulkDropdown(null); }}
+                        disabled={bulkUpdating}
+                        className="w-full flex items-center gap-2.5 px-4 py-2.5 text-sm text-gray-700 hover:bg-gray-50 disabled:opacity-50"
+                      >
+                        <svg className="w-4 h-4 text-lgreen" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z" />
+                        </svg>
+                        Envoyer par email
+                      </button>
+                      <button
+                        onClick={() => { setShowBulkDeleteConfirm(true); setOpenBulkDropdown(null); }}
+                        disabled={bulkUpdating}
+                        className="w-full flex items-center gap-2.5 px-4 py-2.5 text-sm text-red-600 hover:bg-red-50 disabled:opacity-50"
+                      >
+                        <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
+                        </svg>
+                        Supprimer
+                      </button>
+                    </div>
+                  )}
+                </div>
+              </div>
+              <button
+                onClick={() => setSelectedIds(new Set())}
+                className="text-xs text-gray-500 hover:text-gray-700 underline self-start sm:ml-auto"
+              >
+                Annuler
+              </button>
+            </div>
+          )}
+        </div>
+      </div>
+      )}
+
+      {/* Tableau - même structure que Adhérents / Chauffeurs */}
+      <div className="bg-white rounded-lg shadow-sm overflow-hidden">
+        {loading ? (
+          <div className="p-6 sm:p-8 text-center text-sm text-gray-500">Chargement...</div>
+        ) : filteredParticipations.length === 0 ? (
+          <div className="p-6 sm:p-8 text-center text-sm text-gray-500">
+            {searchTerm || statusFilter
+              ? 'Aucune participation trouvée pour ces critères'
+              : "Aucune participation financière. Les documents sont créés automatiquement lorsqu'un trajet est terminé ou validé."}
+          </div>
+        ) : (
+          <>
+            {/* Vue desktop - Tableau */}
+            <div className="hidden md:block overflow-x-auto">
+              <table className="min-w-full divide-y divide-gray-200">
+                <thead className="bg-gray-50">
+                  <tr>
+                    <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
+                      <input
+                        type="checkbox"
+                        checked={filteredParticipations.length > 0 && selectedIds.size === filteredParticipations.length}
+                        onChange={(e) => handleSelectAll(e.target.checked)}
+                        className="w-4 h-4 text-lblue border-gray-300 rounded focus:ring-lblue"
+                      />
+                    </th>
+                    <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">ADHÉRENT</th>
+                    <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">N° DOCUMENT</th>
+                    <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">CHAUFFEUR</th>
+                    <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">MONTANT</th>
+                    <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">STATUT</th>
+                    <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">ACTIONS</th>
+                  </tr>
+                </thead>
+                <tbody className="bg-white divide-y divide-gray-200">
+                  {filteredParticipations.map((p) => {
+                    const ref = getRefNum(p.id);
+                    const chauffeur = p.trajet.chauffeur;
+                    const montant = p.montant != null ? `${p.montant.toFixed(2).replace('.', ',')} €` : '—';
+                    const statutConfig = STATUT_CONFIG[p.statut] || STATUT_CONFIG.en_attente;
+
+                    return (
+                      <tr key={p.id} className="hover:bg-gray-50">
+                        <td className="px-6 py-4 whitespace-nowrap">
+                          <input
+                            type="checkbox"
+                            checked={selectedIds.has(p.id)}
+                            onChange={(e) => handleSelectOne(p.id, e.target.checked)}
+                            className="w-4 h-4 text-lblue border-gray-300 rounded focus:ring-lblue"
+                          />
+                        </td>
+                        <td className="px-6 py-4 whitespace-nowrap">
+                          <div className="flex items-center gap-3">
+                            <div className="w-10 h-10 rounded-full bg-lblue flex items-center justify-center text-white font-semibold">
+                              {p.adherent.prenom.charAt(0)}{p.adherent.nom.charAt(0)}
+                            </div>
+                            <div>
+                              <div className="text-sm font-semibold text-gray-900">
+                                {p.adherent.prenom} {p.adherent.nom}
+                              </div>
+                            </div>
+                          </div>
+                        </td>
+                        <td className="px-6 py-4 whitespace-nowrap">
+                          <span className="font-mono text-sm text-gray-900">{ref}</span>
+                        </td>
+                        <td className="px-6 py-4 whitespace-nowrap">
+                          {chauffeur ? (
+                            <span className="text-sm text-gray-900">
+                              {chauffeur.prenom} {chauffeur.nom}
+                            </span>
+                          ) : (
+                            <span className="text-sm text-gray-400 italic">Non assigné</span>
+                          )}
+                        </td>
+                        <td className="px-6 py-4 whitespace-nowrap">
+                          <span className="text-sm font-semibold text-gray-900">{montant}</span>
+                        </td>
+                        <td className="px-6 py-4 whitespace-nowrap overflow-visible">
+                          <button
+                            onClick={(e) => {
+                              e.stopPropagation();
+                              if (openMenuId === p.id) {
+                                setOpenMenuId(null);
+                                setMenuAnchor(null);
+                              } else {
+                                const rect = e.currentTarget.getBoundingClientRect();
+                                setOpenMenuId(p.id);
+                                setMenuAnchor({ top: rect.bottom + 4, left: rect.left });
+                              }
+                            }}
+                            className={`px-3 py-1 inline-flex text-xs leading-5 font-semibold rounded-full cursor-pointer hover:opacity-90 transition-opacity ${statutConfig.className}`}
+                          >
+                            {statutConfig.label}
+                          </button>
+                        </td>
+                        <td className="px-6 py-4 whitespace-nowrap text-sm font-medium">
+                          <div className="flex items-center gap-3">
+                            <button
+                              onClick={() => handleViewPdf(p.id)}
+                              className="text-lblue hover:text-dblue"
+                              title="Voir le PDF"
+                            >
+                              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
+                                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z" />
+                              </svg>
+                            </button>
+                            <button
+                              onClick={() => handleSendEmail(p.id)}
+                              disabled={sendingId === p.id}
+                              className="text-lgreen hover:text-dgreen disabled:opacity-50"
+                              title="Envoyer par email"
+                            >
+                              {sendingId === p.id ? (
+                                <svg className="w-5 h-5 animate-spin" fill="none" viewBox="0 0 24 24">
+                                  <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4" />
+                                  <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4z" />
+                                </svg>
+                              ) : (
+                                <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z" />
+                                </svg>
+                              )}
+                            </button>
+                            <button
+                              onClick={() => handleEditClick(p)}
+                              className="text-lblue hover:text-dblue"
+                              title="Modifier"
+                            >
+                              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z" />
+                              </svg>
+                            </button>
+                            <button
+                              onClick={() => handleDeleteClick(p.id)}
+                              className="text-red-500 hover:text-red-700"
+                              title="Supprimer"
+                            >
+                              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
+                              </svg>
+                            </button>
+                          </div>
+                        </td>
+                      </tr>
+                    );
+                  })}
+                </tbody>
+              </table>
+            </div>
+
+            {/* Vue mobile - Cartes */}
+            <div className="md:hidden divide-y divide-gray-200">
+              {filteredParticipations.map((p) => {
+                const ref = getRefNum(p.id);
+                const chauffeur = p.trajet.chauffeur;
+                const montant = p.montant != null ? `${p.montant.toFixed(2).replace('.', ',')} €` : '—';
+                const statutConfig = STATUT_CONFIG[p.statut] || STATUT_CONFIG.en_attente;
+
+                return (
+                  <div key={p.id} className="p-3 sm:p-4 hover:bg-gray-50">
+                    <div className="flex items-start gap-3">
+                      <input
+                        type="checkbox"
+                        checked={selectedIds.has(p.id)}
+                        onChange={(e) => handleSelectOne(p.id, e.target.checked)}
+                        className="w-4 h-4 text-lblue border-gray-300 rounded focus:ring-lblue mt-3 flex-shrink-0"
+                      />
+                      <div className="w-12 h-12 rounded-full bg-lblue flex items-center justify-center text-white font-semibold flex-shrink-0">
+                        {p.adherent.prenom.charAt(0)}{p.adherent.nom.charAt(0)}
+                      </div>
+                      <div className="flex-1 min-w-0">
+                        <div className="mb-2">
+                          <div className="text-base font-semibold text-gray-900">
+                            {p.adherent.prenom} {p.adherent.nom}
+                          </div>
+                          <div className="font-mono text-xs text-gray-500">{ref}</div>
+                        </div>
+                        <div className="mb-2">
+                          <div className="text-xs font-medium text-gray-500 uppercase tracking-wide mb-0.5">Chauffeur</div>
+                          {chauffeur ? (
+                            <div className="text-sm text-gray-900">{chauffeur.prenom} {chauffeur.nom}</div>
+                          ) : (
+                            <div className="text-sm text-gray-400 italic">Non assigné</div>
+                          )}
+                        </div>
+                        <div className="mb-2">
+                          <div className="text-xs font-medium text-gray-500 uppercase tracking-wide mb-0.5">Montant</div>
+                          <div className="text-sm font-semibold text-gray-900">{montant}</div>
+                        </div>
+                        <div className="mb-2">
+                          <button
+                            onClick={(e) => {
+                              e.stopPropagation();
+                              if (openMenuId === p.id) {
+                                setOpenMenuId(null);
+                                setMenuAnchor(null);
+                              } else {
+                                const rect = e.currentTarget.getBoundingClientRect();
+                                setOpenMenuId(p.id);
+                                setMenuAnchor({ top: rect.bottom + 4, left: rect.left });
+                              }
+                            }}
+                            className={`px-2 py-1 inline-flex text-xs leading-4 font-semibold rounded-full cursor-pointer ${statutConfig.className}`}
+                          >
+                            {statutConfig.label}
+                          </button>
+                        </div>
+                        <div className="grid grid-cols-2 sm:flex sm:flex-wrap gap-2 sm:gap-4 pt-2 border-t border-gray-200">
+                          <button
+                            onClick={() => handleViewPdf(p.id)}
+                            className="flex items-center justify-center sm:justify-start gap-1.5 text-lblue hover:text-dblue text-xs sm:text-sm py-2 sm:py-0"
+                          >
+                            <svg className="w-4 h-4 flex-shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
+                              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z" />
+                            </svg>
+                            Voir
+                          </button>
+                          <button
+                            onClick={() => handleSendEmail(p.id)}
+                            disabled={sendingId === p.id}
+                            className="flex items-center justify-center sm:justify-start gap-1.5 text-lgreen hover:text-dgreen text-xs sm:text-sm disabled:opacity-50 py-2 sm:py-0"
+                          >
+                            <svg className="w-4 h-4 flex-shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z" />
+                            </svg>
+                            {sendingId === p.id ? 'Envoi...' : 'Envoyer'}
+                          </button>
+                          <button
+                            onClick={() => handleEditClick(p)}
+                            className="flex items-center justify-center sm:justify-start gap-1.5 text-lblue hover:text-dblue text-xs sm:text-sm py-2 sm:py-0"
+                          >
+                            <svg className="w-4 h-4 flex-shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z" />
+                            </svg>
+                            Modifier
+                          </button>
+                          <button
+                            onClick={() => handleDeleteClick(p.id)}
+                            className="flex items-center justify-center sm:justify-start gap-1.5 text-red-500 hover:text-red-700 text-xs sm:text-sm py-2 sm:py-0"
+                          >
+                            <svg className="w-4 h-4 flex-shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
+                            </svg>
+                            Supprimer
+                          </button>
+                        </div>
+                      </div>
+                    </div>
+                  </div>
+                );
+              })}
+            </div>
+          </>
+        )}
+      </div>
+
+      {/* Menu statut en portail pour passer au-dessus du tableau */}
+      {openMenuId && menuAnchor && typeof document !== 'undefined' && (() => {
+        const p = filteredParticipations.find((x) => x.id === openMenuId);
+        if (!p) return null;
+        return createPortal(
+          <div
+            className="fixed z-[9999] w-48 bg-white rounded-lg shadow-lg border border-gray-200 py-1"
+            style={{ top: menuAnchor.top, left: menuAnchor.left }}
+            onClick={(e) => e.stopPropagation()}
+          >
+            <div className="px-3 py-2 text-xs font-semibold text-gray-500 uppercase tracking-wider border-b border-gray-100">
+              Changer le statut
+            </div>
+            {Object.entries(STATUT_CONFIG).map(([key, config]) => (
+              <button
+                key={key}
+                onClick={() => handleStatutChange(p.id, key)}
+                disabled={key === p.statut}
+                className={`w-full text-left px-3 py-2 text-sm hover:bg-gray-50 flex items-center gap-2 ${
+                  key === p.statut ? 'text-gray-400' : 'text-gray-700'
+                }`}
+              >
+                <span className={`w-2 h-2 rounded-full ${config.dot}`} />
+                {config.label}
+                {key === p.statut && (
+                  <svg className="w-4 h-4 ml-auto text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
+                  </svg>
+                )}
+              </button>
+            ))}
+          </div>,
+          document.body
+        );
+      })()}
+
+      <ConfirmModal
+        isOpen={showDeleteConfirm}
+        title="Supprimer la participation"
+        message="Êtes-vous sûr de vouloir supprimer cette participation financière ? Le document PDF sera également supprimé."
+        confirmText="Supprimer"
+        cancelText="Annuler"
+        confirmColor="danger"
+        onConfirm={handleDelete}
+        onCancel={() => {
+          setShowDeleteConfirm(false);
+          setParticipationToDelete(null);
+        }}
+      />
+
+      <ConfirmModal
+        isOpen={showBulkDeleteConfirm}
+        title="Supprimer les participations sélectionnées"
+        message={`Êtes-vous sûr de vouloir supprimer les ${selectedIds.size} participation(s) sélectionnée(s) ? Les documents PDF seront également supprimés.`}
+        confirmText="Supprimer tout"
+        cancelText="Annuler"
+        confirmColor="danger"
+        onConfirm={handleBulkDeleteConfirm}
+        onCancel={() => setShowBulkDeleteConfirm(false)}
+      />
+
+      {editingParticipation && (
+        <ParticipationEditModal
+          participation={editingParticipation}
+          onClose={() => setEditingParticipation(null)}
+          onSuccess={handleEditSuccess}
+        />
+      )}
+    </>
+  );
+}
diff --git a/lib/pages.ts b/lib/pages.ts
index c3eb23f..bdac435 100644
--- a/lib/pages.ts
+++ b/lib/pages.ts
@@ -32,8 +32,8 @@ export const AVAILABLE_PAGES = [
   },
   {
     route: '/dashboard/factures',
-    label: 'Factures',
-    description: 'Gestion des factures',
+    label: 'Participation financière',
+    description: 'Documents de participation financière',
   },
   {
     route: '/dashboard/archives',
diff --git a/lib/participation-financiere.ts b/lib/participation-financiere.ts
new file mode 100644
index 0000000..c96a849
--- /dev/null
+++ b/lib/participation-financiere.ts
@@ -0,0 +1,73 @@
+import { prisma } from '@/lib/prisma';
+import { generateParticipationPDF, getParticipationStoragePath } from './participation-pdf';
+
+const MONTANT_MOYEN = 6.8;
+
+export async function createParticipationForTrajet(trajetId: string): Promise<boolean> {
+  const trajet = await prisma.trajet.findUnique({
+    where: { id: trajetId },
+    include: {
+      adherent: true,
+      universPro: true,
+    },
+  });
+
+  if (!trajet || !['Terminé', 'Validé'].includes(trajet.statut)) {
+    return false;
+  }
+
+  const existing = await prisma.participationFinanciere.findUnique({
+    where: { trajetId },
+  });
+  if (existing) return true;
+
+  // Destinataire: univers pro si lié, sinon adhérent
+  let destinataireEmail: string;
+  let destinataireNom: string;
+  let destinataireType: 'adherent' | 'univers_pro';
+
+  if (trajet.universProId && trajet.universPro) {
+    destinataireEmail = trajet.universPro.email;
+    destinataireNom = `${trajet.universPro.prenom} ${trajet.universPro.nom} - ${trajet.universPro.nomEntreprise}`;
+    destinataireType = 'univers_pro';
+  } else {
+    destinataireEmail = trajet.adherent.email;
+    destinataireNom = `${trajet.adherent.prenom} ${trajet.adherent.nom}`;
+    destinataireType = 'adherent';
+  }
+
+  const participation = await prisma.participationFinanciere.create({
+    data: {
+      trajetId,
+      adherentId: trajet.adherentId,
+      destinataireEmail,
+      destinataireNom,
+      destinataireType,
+      montant: MONTANT_MOYEN,
+    },
+  });
+
+  const filePath = getParticipationStoragePath(participation.id);
+  await generateParticipationPDF(
+    {
+      adherentNom: trajet.adherent.nom,
+      adherentPrenom: trajet.adherent.prenom,
+      adherentAdresse: trajet.adherent.adresse,
+      destinataireEmail,
+      destinataireNom,
+      dateTrajet: trajet.date,
+      adresseDepart: trajet.adresseDepart,
+      adresseArrivee: trajet.adresseArrivee,
+      montant: MONTANT_MOYEN,
+      participationId: participation.id,
+    },
+    filePath
+  );
+
+  await prisma.participationFinanciere.update({
+    where: { id: participation.id },
+    data: { filePath },
+  });
+
+  return true;
+}
diff --git a/lib/participation-pdf.ts b/lib/participation-pdf.ts
new file mode 100644
index 0000000..cf8de86
--- /dev/null
+++ b/lib/participation-pdf.ts
@@ -0,0 +1,432 @@
+import { PDFDocument, StandardFonts, rgb } from 'pdf-lib';
+import path from 'path';
+import fs from 'fs';
+
+const MONTANT_MOYEN = 6.8;
+
+// ─── Palette ───────────────────────────────────────────────
+const TEAL = { r: 43 / 255, g: 147 / 255, b: 157 / 255 };
+const DARK = { r: 0.2, g: 0.2, b: 0.2 };
+const MID = { r: 0.5, g: 0.5, b: 0.5 };
+const LINE = { r: 0.82, g: 0.82, b: 0.82 };
+const LIGHT_BG = { r: 0.96, g: 0.96, b: 0.96 };
+const TEAL_BG = { r: 235 / 255, g: 248 / 255, b: 249 / 255 };
+
+export interface ParticipationData {
+  adherentNom: string;
+  adherentPrenom: string;
+  adherentAdresse: string;
+  destinataireEmail: string;
+  destinataireNom: string;
+  dateTrajet: Date;
+  adresseDepart: string;
+  adresseArrivee: string;
+  montant?: number;
+  complement?: string;
+  participationId?: string;
+}
+
+// ─── Helpers ───────────────────────────────────────────────
+
+async function loadLogoAsPng(logoName: string, maxSize: number): Promise<Buffer | null> {
+  try {
+    const sharp = (await import('sharp')).default;
+    const logoPath = path.join(process.cwd(), 'public', logoName);
+    if (!fs.existsSync(logoPath)) return null;
+    return sharp(logoPath)
+      .resize(maxSize, maxSize, { fit: 'inside' })
+      .png()
+      .toBuffer();
+  } catch {
+    return null;
+  }
+}
+
+function wrapText(text: string, maxWidth: number, measureFn: (t: string) => number): string[] {
+  const words = text.split(/\s+/);
+  const lines: string[] = [];
+  let currentLine = '';
+  for (const word of words) {
+    const testLine = currentLine ? `${currentLine} ${word}` : word;
+    if (measureFn(testLine) <= maxWidth) {
+      currentLine = testLine;
+    } else {
+      if (currentLine) lines.push(currentLine);
+      currentLine = word;
+    }
+  }
+  if (currentLine) lines.push(currentLine);
+  return lines;
+}
+
+// ─── Génération du PDF ─────────────────────────────────────
+
+export async function generateParticipationPDF(
+  data: ParticipationData,
+  outputPath: string
+): Promise<Buffer> {
+  const pdfDoc = await PDFDocument.create();
+  const font = await pdfDoc.embedFont(StandardFonts.Helvetica);
+  const fontBold = await pdfDoc.embedFont(StandardFonts.HelveticaBold);
+  const page = pdfDoc.addPage([595, 842]); // A4
+  const { width } = page.getSize();
+
+  const M = 50;               // marge
+  const R = width - M;        // bord droit (545)
+  const CW = width - 2 * M;   // largeur utile (495)
+
+  const teal = rgb(TEAL.r, TEAL.g, TEAL.b);
+  const dark = rgb(DARK.r, DARK.g, DARK.b);
+  const mid = rgb(MID.r, MID.g, MID.b);
+
+  // Raccourcis
+  const measure = (text: string, size: number, f = font) => f.widthOfTextAtSize(text, size);
+
+  const drawRight = (
+    text: string, x: number, y: number, size: number,
+    f = font, color = dark
+  ) => {
+    page.drawText(text, { x: x - f.widthOfTextAtSize(text, size), y, size, font: f, color });
+  };
+
+  const hLine = (y: number, x = M, w = CW) => {
+    page.drawRectangle({
+      x, y, width: w, height: 1,
+      color: rgb(LINE.r, LINE.g, LINE.b),
+    });
+  };
+
+  // Données formatées
+  const montant = data.montant ?? MONTANT_MOYEN;
+  const montantStr = montant.toFixed(2).replace('.', ',') + ' \u20AC';
+  const refNum = data.participationId
+    ? `PART-${data.participationId.slice(-8).toUpperCase()}`
+    : 'PART-XXXXXXXX';
+  const dateEmission = data.dateTrajet.toLocaleDateString('fr-FR', {
+    day: '2-digit', month: '2-digit', year: 'numeric',
+  });
+  const dateTrajetLong = data.dateTrajet.toLocaleDateString('fr-FR', {
+    weekday: 'long', day: '2-digit', month: 'long', year: 'numeric',
+  });
+
+  let y = 800;
+
+  // ════════════════════════════════════════════════════════
+  //  EN-TÊTE
+  // ════════════════════════════════════════════════════════
+
+  // Logo
+  const logoPng = await loadLogoAsPng('logo.svg', 48);
+  const logoS = 48;
+  if (logoPng) {
+    try {
+      const img = await pdfDoc.embedPng(logoPng);
+      const w = img.width * (logoS / img.height);
+      page.drawImage(img, {
+        x: M, y: y - logoS,
+        width: Math.min(w, logoS), height: logoS,
+      });
+    } catch { /* fallback silencieux */ }
+  }
+
+  // Infos association (à droite du logo)
+  const hx = M + logoS + 14;
+  page.drawText('Association MAD', {
+    x: hx, y: y - 15, size: 13, font: fontBold, color: teal,
+  });
+  page.drawText('Adresse postale', {
+    x: hx, y: y - 29, size: 9, font, color: mid,
+  });
+  page.drawText('Ville, Code postal', {
+    x: hx, y: y - 41, size: 9, font, color: mid,
+  });
+
+  // Référence document (aligné à droite)
+  drawRight('Participation financière', R, y - 12, 9, font, mid);
+  drawRight(refNum, R, y - 28, 11, fontBold, teal);
+  drawRight(`\u00C9mise le ${dateEmission}`, R, y - 44, 9, font, mid);
+
+  // Séparateur
+  y -= 62;
+  hLine(y);
+
+  // ════════════════════════════════════════════════════════
+  //  TITRE
+  // ════════════════════════════════════════════════════════
+
+  y -= 30;
+  page.drawText('Participation financière au transport', {
+    x: M, y, size: 17, font: fontBold, color: teal,
+  });
+  y -= 16;
+  page.drawText(
+    "Document établi dans le cadre de l'accompagnement au transport par l'Association MAD.",
+    { x: M, y, size: 9, font, color: mid },
+  );
+
+  // ════════════════════════════════════════════════════════
+  //  BLOCS D'INFORMATION
+  // ════════════════════════════════════════════════════════
+
+  y -= 56;
+  const gap = 24;
+  const bw = (CW - gap) / 2;   // ~235px par bloc
+  const bx2 = M + bw + gap;    // x du bloc droit
+
+  // Helper : titre de section avec soulignement teal
+  const sectionTitle = (label: string, x: number, yy: number) => {
+    page.drawText(label, { x, y: yy, size: 8, font: fontBold, color: teal });
+    page.drawRectangle({
+      x, y: yy - 3,
+      width: fontBold.widthOfTextAtSize(label, 8), height: 1.5,
+      color: teal,
+    });
+  };
+
+  // ── Bloc gauche : FACTURÉ À ──
+  const blockTopY = y;
+  sectionTitle('FACTURÉ À', M, blockTopY);
+
+  let ly = blockTopY - 20;
+  const destLines = wrapText(data.destinataireNom, bw, (t) => measure(t, 10, fontBold));
+  for (const line of destLines.slice(0, 2)) {
+    page.drawText(line, { x: M, y: ly, size: 10, font: fontBold, color: dark });
+    ly -= 14;
+  }
+  page.drawText(data.destinataireEmail, {
+    x: M, y: ly, size: 9, font, color: mid,
+  });
+  ly -= 14;
+
+  // ── Bloc droit : DÉTAILS DU TRAJET ──
+  sectionTitle('DÉTAILS DU TRAJET', bx2, blockTopY);
+
+  let ry = blockTopY - 20;
+  const infos: { label: string; value: string }[] = [
+    { label: 'Date', value: dateTrajetLong },
+    { label: 'Adhérent', value: `${data.adherentPrenom} ${data.adherentNom}` },
+  ];
+
+  for (const item of infos) {
+    const prefix = `${item.label} : `;
+    const prefixW = measure(prefix, 8, fontBold);
+
+    page.drawText(prefix, {
+      x: bx2, y: ry, size: 8, font: fontBold, color: dark,
+    });
+
+    const valLines = wrapText(item.value, bw - prefixW, (t) => measure(t, 9));
+    for (let i = 0; i < Math.min(valLines.length, 2); i++) {
+      page.drawText(valLines[i], {
+        x: bx2 + prefixW, y: ry, size: 9, font, color: dark,
+      });
+      if (i < valLines.length - 1) ry -= 12;
+    }
+    ry -= 16;
+  }
+
+  // ════════════════════════════════════════════════════════
+  //  TABLEAU
+  // ════════════════════════════════════════════════════════
+
+  y = Math.min(ly, ry) - 56;
+
+  // Positions des colonnes
+  const cDesig = M + 10;
+  const cQte = M + 290;
+  const cPu = M + 370;
+  // cMontant : aligné à droite sur R - 8
+
+  // ── En-tête du tableau ──
+  const thH = 28;
+
+  // Ligne d'accent teal en haut
+  page.drawRectangle({
+    x: M, y: y + thH - 2, width: CW, height: 2, color: teal,
+  });
+
+  // Fond gris clair
+  page.drawRectangle({
+    x: M, y: y, width: CW, height: thH - 2,
+    color: rgb(LIGHT_BG.r, LIGHT_BG.g, LIGHT_BG.b),
+  });
+
+  const thY = y + 8;
+  page.drawText('DÉSIGNATION', {
+    x: cDesig, y: thY, size: 8, font: fontBold, color: dark,
+  });
+  // QTÉ centré
+  const qteLabel = 'QTÉ';
+  const qteLabelW = measure(qteLabel, 8, fontBold);
+  page.drawText(qteLabel, {
+    x: cQte + 20 - qteLabelW / 2, y: thY, size: 8, font: fontBold, color: dark,
+  });
+  page.drawText('P.U.', {
+    x: cPu, y: thY, size: 8, font: fontBold, color: dark,
+  });
+  drawRight('MONTANT', R - 8, thY, 8, fontBold, dark);
+
+  // Ligne sous en-tête
+  hLine(y);
+
+  // ── Ligne article ──
+  y -= 18;
+  const articleTitleY = y;
+
+  // Titre de l'article
+  page.drawText('Participation au transport', {
+    x: cDesig, y: articleTitleY, size: 10, font: fontBold, color: dark,
+  });
+
+  // Adresses complètes (wrappées, sans troncature)
+  const maxDesigW = cQte - cDesig - 20;
+
+  const depLines = wrapText(
+    `De : ${data.adresseDepart}`, maxDesigW, (t) => measure(t, 8),
+  );
+  const arrLines = wrapText(
+    `Vers : ${data.adresseArrivee}`, maxDesigW, (t) => measure(t, 8),
+  );
+
+  let addrY = articleTitleY - 16;
+  for (const line of depLines.slice(0, 3)) {
+    page.drawText(line, { x: cDesig, y: addrY, size: 8, font, color: mid });
+    addrY -= 11;
+  }
+  addrY -= 2; // petit espace entre départ et arrivée
+  for (const line of arrLines.slice(0, 3)) {
+    page.drawText(line, { x: cDesig, y: addrY, size: 8, font, color: mid });
+    addrY -= 11;
+  }
+
+  // Valeurs numériques (centrées verticalement avec le titre)
+  const numY = articleTitleY - 6;
+  // QTÉ centré
+  const qteVal = '1';
+  const qteValW = measure(qteVal, 10);
+  page.drawText(qteVal, {
+    x: cQte + 20 - qteValW / 2, y: numY, size: 10, font, color: dark,
+  });
+  page.drawText(montantStr, {
+    x: cPu, y: numY, size: 10, font, color: dark,
+  });
+  drawRight(montantStr, R - 8, numY, 10, fontBold, dark);
+
+  // Ligne de fin d'article
+  const rowBottom = Math.min(addrY, numY - 16) - 6;
+  hLine(rowBottom);
+
+  // ════════════════════════════════════════════════════════
+  //  TOTAUX
+  // ════════════════════════════════════════════════════════
+
+  y = rowBottom - 20;
+  const tLabelX = R - 160;
+  const tValX = R - 8;
+
+  // Sous-total
+  page.drawText('Sous-total', {
+    x: tLabelX, y, size: 10, font, color: dark,
+  });
+  drawRight(montantStr, tValX, y, 10, font, dark);
+
+  // Séparateur
+  y -= 20;
+  hLine(y + 8, tLabelX, R - tLabelX);
+
+  // Total dû (surligné)
+  y -= 4;
+  page.drawRectangle({
+    x: tLabelX - 10, y: y - 6,
+    width: R - tLabelX + 18, height: 26,
+    color: rgb(TEAL_BG.r, TEAL_BG.g, TEAL_BG.b),
+  });
+  page.drawText('Total dû', {
+    x: tLabelX, y: y + 2, size: 13, font: fontBold, color: teal,
+  });
+  drawRight(montantStr, tValX, y + 2, 13, fontBold, teal);
+
+  // Échéance
+  y -= 32;
+  page.drawText(`Échéance de paiement : ${dateEmission}`, {
+    x: tLabelX, y, size: 8, font, color: mid,
+  });
+
+  // ════════════════════════════════════════════════════════
+  //  COMPLÉMENT (optionnel)
+  // ════════════════════════════════════════════════════════
+
+  if (data.complement) {
+    y -= 34;
+    page.drawText('Note :', {
+      x: M, y, size: 9, font: fontBold, color: dark,
+    });
+    y -= 14;
+    const compLines = wrapText(data.complement, CW - 20, (t) => measure(t, 9));
+    for (const line of compLines.slice(0, 4)) {
+      page.drawText(line, { x: M, y, size: 9, font, color: dark });
+      y -= 13;
+    }
+  }
+
+  // ════════════════════════════════════════════════════════
+  //  PIED DE PAGE
+  // ════════════════════════════════════════════════════════
+
+  const footerY = 55;
+  page.drawRectangle({
+    x: 0, y: 0, width, height: footerY + 2,
+    color: rgb(0.98, 0.98, 0.98),
+  });
+  hLine(footerY);
+
+  page.drawText(
+    'Ce document fait office de participation financière au transport. Établi par Association MAD.',
+    { x: M, y: 35, size: 8, font, color: mid },
+  );
+
+  // Propulsé par LGX + logo
+  const propText = 'Propulsé par LGX';
+  const lgxLogoPng = await loadLogoAsPng('lgx-logo.svg', 28);
+
+  if (lgxLogoPng) {
+    try {
+      const lgxImg = await pdfDoc.embedPng(lgxLogoPng);
+      const lgxH = 16;
+      const lgxW = lgxImg.width * (lgxH / lgxImg.height);
+      const blockW = fontBold.widthOfTextAtSize(propText, 9) + lgxW + 8;
+      const lgxX = R - blockW;
+      page.drawText(propText, {
+        x: lgxX, y: 35, size: 9, font: fontBold, color: mid,
+      });
+      page.drawImage(lgxImg, {
+        x: lgxX + fontBold.widthOfTextAtSize(propText, 9) + 6,
+        y: 29, width: lgxW, height: lgxH,
+      });
+    } catch {
+      page.drawText(propText, {
+        x: R - fontBold.widthOfTextAtSize(propText, 9),
+        y: 35, size: 9, font: fontBold, color: teal,
+      });
+    }
+  } else {
+    page.drawText(propText, {
+      x: R - fontBold.widthOfTextAtSize(propText, 9),
+      y: 35, size: 9, font: fontBold, color: teal,
+    });
+  }
+
+  // ════════════════════════════════════════════════════════
+  //  SAUVEGARDE
+  // ════════════════════════════════════════════════════════
+
+  const pdfBytes = await pdfDoc.save();
+  const dir = path.dirname(outputPath);
+  if (!fs.existsSync(dir)) fs.mkdirSync(dir, { recursive: true });
+  fs.writeFileSync(outputPath, pdfBytes);
+  return Buffer.from(pdfBytes);
+}
+
+export function getParticipationStoragePath(participationId: string): string {
+  return path.join(process.cwd(), 'data', 'participations', `${participationId}.pdf`);
+}
diff --git a/package-lock.json b/package-lock.json
index 012f737..e00cee5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,14 +17,18 @@
         "leaflet": "^1.9.4",
         "next": "14.2.5",
         "next-auth": "^4.24.7",
+        "nodemailer": "^7.0.13",
+        "pdf-lib": "^1.17.1",
         "react": "^18.3.1",
         "react-dom": "^18.3.1",
         "react-leaflet": "^4.2.1",
+        "sharp": "^0.34.5",
         "swr": "^2.3.8"
       },
       "devDependencies": {
         "@types/bcryptjs": "^2.4.6",
         "@types/node": "^20.14.12",
+        "@types/nodemailer": "^7.0.9",
         "@types/react": "^18.3.3",
         "@types/react-dom": "^18.3.0",
         "autoprefixer": "^10.4.19",
@@ -128,7 +132,6 @@
       "version": "1.8.1",
       "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.8.1.tgz",
       "integrity": "sha512-mehfKSMWjjNol8659Z8KxEMrdSJDDot5SXMq00dM8BN4o+CLNXQ0xH2V7EchNHV4RmbZLmmPdEaXZc5H2FXmDg==",
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "dependencies": {
@@ -689,6 +692,471 @@
       "dev": true,
       "license": "BSD-3-Clause"
     },
+    "node_modules/@img/colour": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@img/colour/-/colour-1.0.0.tgz",
+      "integrity": "sha512-A5P/LfWGFSl6nsckYtjw9da+19jB8hkJ6ACTGcDfEJ0aE+l2n2El7dsVM7UVHZQ9s2lmYMWlrS21YLy2IR1LUw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@img/sharp-darwin-arm64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-arm64/-/sharp-darwin-arm64-0.34.5.tgz",
+      "integrity": "sha512-imtQ3WMJXbMY4fxb/Ndp6HBTNVtWCUI0WdobyheGf5+ad6xX8VIDO8u2xE4qc/fr08CKG/7dDseFtn6M6g/r3w==",
+      "cpu": [
+        "arm64"
+      ],
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
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+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/didyoumean": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/didyoumean/-/didyoumean-1.2.2.tgz",
@@ -4776,6 +5281,15 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/nodemailer": {
+      "version": "7.0.13",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-7.0.13.tgz",
+      "integrity": "sha512-PNDFSJdP+KFgdsG3ZzMXCgquO7I6McjY2vlqILjtJd0hy8wEvtugS9xKRF2NWlPNGxvLCXlTNIae4serI7dinw==",
+      "license": "MIT-0",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/normalize-path": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
@@ -5026,6 +5540,12 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/pako": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.11.tgz",
+      "integrity": "sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw==",
+      "license": "(MIT AND Zlib)"
+    },
     "node_modules/parent-module": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.1.tgz",
@@ -5110,6 +5630,24 @@
         "node": ">=8"
       }
     },
+    "node_modules/pdf-lib": {
+      "version": "1.17.1",
+      "resolved": "https://registry.npmjs.org/pdf-lib/-/pdf-lib-1.17.1.tgz",
+      "integrity": "sha512-V/mpyJAoTsN4cnP31vc0wfNA1+p20evqqnap0KLoRUN0Yk/p3wN52DOEsL4oBFcLdb76hlpKPtzJIgo67j/XLw==",
+      "license": "MIT",
+      "dependencies": {
+        "@pdf-lib/standard-fonts": "^1.0.0",
+        "@pdf-lib/upng": "^1.0.1",
+        "pako": "^1.0.11",
+        "tslib": "^1.11.1"
+      }
+    },
+    "node_modules/pdf-lib/node_modules/tslib": {
+      "version": "1.14.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
+      "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==",
+      "license": "0BSD"
+    },
     "node_modules/picocolors": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
@@ -5719,7 +6257,6 @@
       "version": "7.7.3",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.3.tgz",
       "integrity": "sha512-SdsKMrI9TdgjdweUSR9MweHA4EJ8YxHn8DFaDisvhVlUOe4BF1tLD7GAj0lIqWVl+dPb/rExr0Btby5loQm20Q==",
-      "dev": true,
       "license": "ISC",
       "bin": {
         "semver": "bin/semver.js"
@@ -5777,6 +6314,50 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/sharp": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/sharp/-/sharp-0.34.5.tgz",
+      "integrity": "sha512-Ou9I5Ft9WNcCbXrU9cMgPBcCK8LiwLqcbywW3t4oDV37n1pzpuNLsYiAV8eODnjbtQlSDwZ2cUEeQz4E54Hltg==",
+      "hasInstallScript": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@img/colour": "^1.0.0",
+        "detect-libc": "^2.1.2",
+        "semver": "^7.7.3"
+      },
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-darwin-arm64": "0.34.5",
+        "@img/sharp-darwin-x64": "0.34.5",
+        "@img/sharp-libvips-darwin-arm64": "1.2.4",
+        "@img/sharp-libvips-darwin-x64": "1.2.4",
+        "@img/sharp-libvips-linux-arm": "1.2.4",
+        "@img/sharp-libvips-linux-arm64": "1.2.4",
+        "@img/sharp-libvips-linux-ppc64": "1.2.4",
+        "@img/sharp-libvips-linux-riscv64": "1.2.4",
+        "@img/sharp-libvips-linux-s390x": "1.2.4",
+        "@img/sharp-libvips-linux-x64": "1.2.4",
+        "@img/sharp-libvips-linuxmusl-arm64": "1.2.4",
+        "@img/sharp-libvips-linuxmusl-x64": "1.2.4",
+        "@img/sharp-linux-arm": "0.34.5",
+        "@img/sharp-linux-arm64": "0.34.5",
+        "@img/sharp-linux-ppc64": "0.34.5",
+        "@img/sharp-linux-riscv64": "0.34.5",
+        "@img/sharp-linux-s390x": "0.34.5",
+        "@img/sharp-linux-x64": "0.34.5",
+        "@img/sharp-linuxmusl-arm64": "0.34.5",
+        "@img/sharp-linuxmusl-x64": "0.34.5",
+        "@img/sharp-wasm32": "0.34.5",
+        "@img/sharp-win32-arm64": "0.34.5",
+        "@img/sharp-win32-ia32": "0.34.5",
+        "@img/sharp-win32-x64": "0.34.5"
+      }
+    },
     "node_modules/shebang-command": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
diff --git a/package.json b/package.json
index f971066..0a45372 100644
--- a/package.json
+++ b/package.json
@@ -22,14 +22,18 @@
     "leaflet": "^1.9.4",
     "next": "14.2.5",
     "next-auth": "^4.24.7",
+    "nodemailer": "^7.0.13",
+    "pdf-lib": "^1.17.1",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-leaflet": "^4.2.1",
+    "sharp": "^0.34.5",
     "swr": "^2.3.8"
   },
   "devDependencies": {
     "@types/bcryptjs": "^2.4.6",
     "@types/node": "^20.14.12",
+    "@types/nodemailer": "^7.0.9",
     "@types/react": "^18.3.3",
     "@types/react-dom": "^18.3.0",
     "autoprefixer": "^10.4.19",
diff --git a/prisma/dev.db b/prisma/dev.db
index d6657c3..377af74 100644
Binary files a/prisma/dev.db and b/prisma/dev.db differ
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 224aaf4..b2df7f2 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -72,7 +72,7 @@ model Chauffeur {
   status            String   @default("Disponible") // Disponible, Vacances, Arrêt Maladie
   createdAt         DateTime @default(now())
   updatedAt         DateTime @updatedAt
-  trajets           Trajet[] // Relation avec les trajets
+  trajets           Trajet[]
 }
 
 model UniversPro {
@@ -85,6 +85,7 @@ model UniversPro {
   nomEntreprise String
   createdAt     DateTime @default(now())
   updatedAt     DateTime @updatedAt
+  trajets       Trajet[]
 }
 
 model Adherent {
@@ -105,7 +106,8 @@ model Adherent {
   instructions      String?  // Instructions
   createdAt         DateTime @default(now())
   updatedAt         DateTime @updatedAt
-  trajets           Trajet[] // Relation avec les trajets
+  trajets           Trajet[]
+  participations    ParticipationFinanciere[]
 }
 
 model Trajet {
@@ -121,6 +123,26 @@ model Trajet {
   adherent          Adherent @relation(fields: [adherentId], references: [id])
   chauffeurId       String?  // Référence au chauffeur (optionnel)
   chauffeur         Chauffeur? @relation(fields: [chauffeurId], references: [id])
+  universProId     String?  // Référence à l'univers pro (optionnel - pour facturation entreprise)
+  universPro       UniversPro? @relation(fields: [universProId], references: [id], onDelete: SetNull)
+  createdAt         DateTime @default(now())
+  updatedAt         DateTime @updatedAt
+  participations    ParticipationFinanciere[]
+}
+
+model ParticipationFinanciere {
+  id                String   @id @default(cuid())
+  trajetId          String   @unique
+  trajet            Trajet   @relation(fields: [trajetId], references: [id], onDelete: Cascade)
+  adherentId        String
+  adherent          Adherent @relation(fields: [adherentId], references: [id], onDelete: Cascade)
+  destinataireEmail String   // Email du destinataire du paiement (adhérent ou univers pro)
+  destinataireNom   String   // Nom affiché du destinataire
+  destinataireType  String   // "adherent" | "univers_pro"
+  montant           Float?   // Montant de la participation (optionnel)
+  filePath          String?  // Chemin vers le PDF généré
+  complement        String?  // Informations complémentaires (éditable)
+  statut            String   @default("en_attente") // en_attente, envoye, paye, archive
   createdAt         DateTime @default(now())
   updatedAt         DateTime @updatedAt
 }
diff --git a/public/lgx-logo.svg b/public/lgx-logo.svg
new file mode 100644
index 0000000..dfc88c3
--- /dev/null
+++ b/public/lgx-logo.svg
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg id="Calque_1" data-name="Calque 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 730.05 604.82">
+  <path d="M635.89,475.43c-21.05-21-42.09-42.01-63.14-63.01-1.81-1.73-3.62-3.46-5.43-5.19,54.24-54.53,108.48-109.07,162.72-163.6-66.07.2-119.84.83-185.91,1.04-7.84.03-29.1-.1-37.08-.08-43.46.11-91.71-6.65-132.91,10.56-65.61,27.41-98.93,98.45-87.58,167.59l-1.34,1.94-200.24.94c-21.71-1.76-36.85-23.61-26.99-44.23,4.96-10.36,26.33-28.35,35.18-37.48,83.72-86.27,170.11-170.23,254.71-255.75,59.84-54.2,161.48-43.04,204.13,26.77,14.15,23.16,19.02,49.24,18.01,76.26h55.18c1.14-37.41-7.89-75.96-28.13-107.53-62.54-97.58-204.08-111.15-288.27-33.66L21.83,336.96c-48.26,56.84-11.61,137.77,62.07,142.16l219.17-.35c5.76,9.73,10.38,20.04,16.4,29.66,68.14,108.88,207.37,127.97,304.83,44.7,1.5-1.28,4.64-4,7.96-7.02l.21-.18,4.5-4.2c1.51-1.45,2.91-2.83,4.03-4.03l28.59-28.59-33.69-33.69ZM345.09,425.79l-2.28-.48c-12.01-44.28,3.5-95.14,45.4-117.46,13.75-7.32,26.37-9.72,41.82-10.61,56.37-3.25,115.14,1.9,171.76-.31,1.34-.17,3.53.68,3.17,2.33l-101.15,102.12c-42.87,38.9-106.07,19.77-158.72,24.41ZM565.9,529.69c-67.9,42.58-153.54,20.56-198.05-43.88-.67-.98-4.52-6.14-3.84-6.72,38.59-2.02,80.18,5.09,117.51-6.2,18.84-5.7,35.3-16.41,51.13-27.74l60.41,61.99c0,3.29-23.03,19.97-27.15,22.55Z"/>
+</svg>
\ No newline at end of file