diff --git a/src/app/backend/actions.ts b/src/app/backend/actions.ts
index 894aea8..0fc768a 100644
--- a/src/app/backend/actions.ts
+++ b/src/app/backend/actions.ts
@@ -429,6 +429,54 @@ export async function updateOwnProfile(formData: FormData) {
   revalidatePath("/");
 }
 
+// Approuve une demande d'adhésion ET crée directement l'adhérent + son compte
+// de connexion (mot de passe temporaire). Renvoie l'id du nouvel adhérent.
+export async function approveMembershipRequest(formData: FormData): Promise<number | undefined> {
+  const { role } = await requireRole();
+  if (!can(role, "manageMembers")) throw new Error("Accès refusé");
+
+  const id = Number(formData.get("id"));
+  if (!id) return undefined;
+
+  const [req] = await db.select().from(membershipRequests).where(eq(membershipRequests.id, id));
+  if (!req) throw new Error("Demande introuvable.");
+
+  const email = (req.email ?? "").trim().toLowerCase();
+  if (!email) {
+    throw new Error("Cette demande n'a pas d'e-mail : impossible de créer le compte. Créez l'adhérent manuellement.");
+  }
+
+  const existing = await db.select({ id: users.id }).from(users).where(eq(users.email, email));
+  if (existing.length > 0) {
+    throw new Error("Un compte existe déjà avec cet e-mail.");
+  }
+
+  const [newMember] = await db
+    .insert(members)
+    .values({ name: req.name, email, status: "active" })
+    .returning({ id: members.id });
+
+  const tempPassword = generateTempPassword();
+  await db.insert(users).values({
+    name: req.name,
+    email,
+    role: "member",
+    memberId: newMember.id,
+    passwordHash: await bcrypt.hash(tempPassword, 10),
+    tempPassword,
+    mustChangePassword: true,
+  });
+
+  await db.update(membershipRequests).set({ status: "approved" }).where(eq(membershipRequests.id, id));
+  await logActivity(`Demande approuvée : adhérent <strong>${req.name}</strong> créé`, "#1f8a5b");
+
+  revalidatePath("/backend/demandes");
+  revalidatePath("/backend/adherents");
+  revalidatePath("/backend");
+  revalidatePath("/");
+  return newMember.id;
+}
+
 // ---- Inbox: membership requests + contact messages ----
 export async function setRequestStatus(formData: FormData) {
   const { role } = await requireRole();
diff --git a/src/app/backend/demandes/page.tsx b/src/app/backend/demandes/page.tsx
index 1a01f24..6b6f7c8 100644
--- a/src/app/backend/demandes/page.tsx
+++ b/src/app/backend/demandes/page.tsx
@@ -4,7 +4,7 @@ import { auth } from "@/auth";
 import { db } from "@/db";
 import { contactMessages, membershipRequests } from "@/db/schema";
 import { can } from "@/lib/rbac";
-import { setContactStatus, setRequestStatus } from "../actions";
+import { approveMembershipRequest, setContactStatus, setRequestStatus } from "../actions";
 
 export const dynamic = "force-dynamic";
 
@@ -51,6 +51,14 @@ export default async function DemandesPage() {
     db.select().from(contactMessages).orderBy(desc(contactMessages.createdAt)),
   ]);
 
+  // Approuver = créer l'adhérent + son compte, puis aller sur sa fiche
+  // (login + mot de passe temporaire y sont affichés).
+  async function handleApprove(fd: FormData) {
+    "use server";
+    const id = await approveMembershipRequest(fd);
+    redirect(id ? `/backend/adherents/${id}` : "/backend/demandes");
+  }
+
   return (
     <div style={{ display: "flex", flexDirection: "column", gap: 26 }}>
       {/* ---- Demandes d'adhésion ---- */}
@@ -72,10 +80,9 @@ export default async function DemandesPage() {
               </div>
               <StatusPill map={REQ_STATUS} status={r.status} />
               <div style={{ display: "flex", gap: 8 }}>
-                <form action={setRequestStatus}>
+                <form action={handleApprove}>
                   <input type="hidden" name="id" value={r.id} />
-                  <input type="hidden" name="status" value="approved" />
-                  <ActionBtn color="#1f8a5b">Approuver</ActionBtn>
+                  <ActionBtn color="#1f8a5b">Approuver &amp; créer</ActionBtn>
                 </form>
                 <form action={setRequestStatus}>
                   <input type="hidden" name="id" value={r.id} />