diff --git a/frontend/components/mail/MailCreateTaskModal.vue b/frontend/components/mail/MailCreateTaskModal.vue
new file mode 100644
index 0000000..46c96fa
--- /dev/null
+++ b/frontend/components/mail/MailCreateTaskModal.vue
@@ -0,0 +1,251 @@
+<script setup lang="ts">
+import type { MailMessageDetailDto } from '~/services/dto/mail'
+import type { Task } from '~/services/dto/task'
+import type { Project } from '~/services/dto/project'
+import type { TaskGroup } from '~/services/dto/task-group'
+import type { TaskPriority } from '~/services/dto/task-priority'
+import { useMailService } from '~/services/mail'
+import { useProjectService } from '~/services/projects'
+import { useTaskGroupService } from '~/services/task-groups'
+import { useTaskPriorityService } from '~/services/task-priorities'
+
+const props = defineProps<{
+    /** v-model: true = modal ouvert */
+    modelValue: boolean
+    /** ID BDD du message source */
+    messageId: number
+    /** Détail du message (pour afficher sujet/expéditeur en lecture seule) */
+    messageDetail: MailMessageDetailDto | null
+}>()
+
+const emit = defineEmits<{
+    'update:modelValue': [value: boolean]
+    /** Émis après création réussie — payload = tâche créée */
+    created: [task: Task]
+}>()
+
+const { t } = useI18n()
+const mailService = useMailService()
+const projectService = useProjectService()
+const taskGroupService = useTaskGroupService()
+const priorityService = useTaskPriorityService()
+
+// ─── État formulaire ──────────────────────────────────────────────────────
+
+const projectId = ref<number | null>(null)
+const taskGroupId = ref<number | null>(null)
+const priorityId = ref<number | null>(null)
+const isSubmitting = ref(false)
+const touchedProject = ref(false)
+
+// ─── Données de référence ─────────────────────────────────────────────────
+
+const projects = ref<Project[]>([])
+const groups = ref<TaskGroup[]>([])
+const priorities = ref<TaskPriority[]>([])
+const loadingGroups = ref(false)
+
+const projectOptions = computed(() =>
+    projects.value.map(p => ({ label: p.name, value: p.id })),
+)
+
+const groupOptions = computed(() =>
+    groups.value.filter(g => !g.archived).map(g => ({ label: g.title, value: g.id })),
+)
+
+const priorityOptions = computed(() =>
+    priorities.value.map(p => ({ label: p.label, value: p.id })),
+)
+
+// ─── Chargement initial ───────────────────────────────────────────────────
+
+onMounted(async () => {
+    const [projs, prios] = await Promise.all([
+        projectService.getAll({ archived: false }),
+        priorityService.getAll(),
+    ])
+    projects.value = projs
+    priorities.value = prios
+})
+
+// Recharger les groupes quand le projet change
+watch(projectId, async (pid) => {
+    taskGroupId.value = null
+    groups.value = []
+    if (!pid) return
+    loadingGroups.value = true
+    try {
+        groups.value = await taskGroupService.getByProject(pid)
+    } finally {
+        loadingGroups.value = false
+    }
+})
+
+// Reset formulaire à l'ouverture
+watch(() => props.modelValue, (open) => {
+    if (open) {
+        projectId.value = null
+        taskGroupId.value = null
+        priorityId.value = null
+        touchedProject.value = false
+    }
+})
+
+// ─── Actions ──────────────────────────────────────────────────────────────
+
+function close(): void {
+    emit('update:modelValue', false)
+}
+
+async function handleSubmit(): Promise<void> {
+    touchedProject.value = true
+    if (!projectId.value) return
+
+    isSubmitting.value = true
+    try {
+        const task = await mailService.createTaskFromMail(props.messageId, {
+            projectId: projectId.value,
+            taskGroupId: taskGroupId.value ?? undefined,
+            priority: priorityId.value ? `/api/task_priorities/${priorityId.value}` : undefined,
+        })
+        emit('created', task)
+        close()
+    } finally {
+        isSubmitting.value = false
+    }
+}
+</script>
+
+<template>
+    <Teleport v-if="modelValue" to="body">
+        <Transition name="mail-modal" appear>
+            <div class="fixed inset-0 z-50 flex items-center justify-center p-4">
+                <!-- Backdrop -->
+                <div
+                    class="absolute inset-0 bg-slate-900/40 backdrop-blur-sm"
+                    @click="close"
+                />
+
+                <!-- Modal -->
+                <div
+                    class="relative z-10 w-full max-w-lg rounded-2xl bg-white shadow-2xl ring-1 ring-black/5 overflow-hidden"
+                    style="max-height: min(90vh, 640px)"
+                >
+                    <!-- Header -->
+                    <div class="flex items-center justify-between border-b border-neutral-100 bg-neutral-50/80 px-6 py-4">
+                        <h2 class="text-base font-bold text-neutral-900">
+                            {{ t('mail.createTaskModal.title') }}
+                        </h2>
+                        <MalioButtonIcon
+                            icon="mdi:close"
+                            aria-label="Fermer"
+                            variant="ghost"
+                            icon-size="20"
+                            @click="close"
+                        />
+                    </div>
+
+                    <!-- Corps -->
+                    <div class="overflow-y-auto px-6 py-5 space-y-5">
+                        <!-- Info mail source (lecture seule) -->
+                        <div
+                            v-if="messageDetail"
+                            class="rounded-lg border border-neutral-200 bg-neutral-50 px-4 py-3 text-sm"
+                        >
+                            <p class="font-medium text-neutral-800 truncate">
+                                {{ messageDetail.header.subject ?? t('mail.noSubject') }}
+                            </p>
+                            <p class="mt-0.5 text-xs text-neutral-500 truncate">
+                                {{ messageDetail.header.fromName ?? messageDetail.header.fromEmail }}
+                            </p>
+                            <p class="mt-2 text-xs text-neutral-400 italic">
+                                {{ t('mail.createTaskModal.titleHint') }}
+                            </p>
+                            <p class="text-xs text-neutral-400 italic">
+                                {{ t('mail.createTaskModal.descriptionHint') }}
+                            </p>
+                        </div>
+
+                        <!-- Sélection projet -->
+                        <div>
+                            <MalioSelect
+                                v-model="projectId"
+                                :options="projectOptions"
+                                :label="t('mail.createTaskModal.projectLabel')"
+                                :empty-option-label="t('mail.createTaskModal.projectPlaceholder')"
+                                min-width="w-full"
+                            />
+                            <p
+                                v-if="touchedProject && !projectId"
+                                class="mt-1 text-xs text-red-500"
+                            >
+                                {{ t('mail.createTaskModal.projectLabel').replace(' *', '') }} requis
+                            </p>
+                        </div>
+
+                        <!-- Sélection groupe (optionnel, chargé après projet) -->
+                        <div v-if="projectId">
+                            <MalioSelect
+                                v-model="taskGroupId"
+                                :options="groupOptions"
+                                :label="t('mail.createTaskModal.groupLabel')"
+                                :empty-option-label="t('mail.createTaskModal.groupPlaceholder')"
+                                min-width="w-full"
+                                :disabled="loadingGroups"
+                            />
+                        </div>
+
+                        <!-- Sélection priorité (optionnelle) — MalioSelect car les values sont number | null -->
+                        <div>
+                            <MalioSelect
+                                v-model="priorityId"
+                                :options="priorityOptions"
+                                :label="t('mail.createTaskModal.priorityLabel')"
+                                :empty-option-label="t('mail.createTaskModal.priorityPlaceholder')"
+                                min-width="w-full"
+                            />
+                        </div>
+                    </div>
+
+                    <!-- Footer -->
+                    <div class="flex justify-end gap-3 border-t border-neutral-100 px-6 py-4">
+                        <MalioButton
+                            variant="tertiary"
+                            label="Annuler"
+                            button-class="w-auto px-4"
+                            @click="close"
+                        />
+                        <MalioButton
+                            :label="t('mail.createTaskModal.submit')"
+                            button-class="w-auto px-6"
+                            :disabled="isSubmitting"
+                            @click="handleSubmit"
+                        />
+                    </div>
+                </div>
+            </div>
+        </Transition>
+    </Teleport>
+</template>
+
+<style scoped>
+.mail-modal-enter-active,
+.mail-modal-leave-active {
+    transition: opacity 0.2s ease;
+}
+
+.mail-modal-enter-active > div:last-child,
+.mail-modal-leave-active > div:last-child {
+    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
+}
+
+.mail-modal-enter-from,
+.mail-modal-leave-to {
+    opacity: 0;
+}
+
+.mail-modal-enter-from > div:last-child {
+    transform: scale(0.95) translateY(8px);
+    opacity: 0;
+}
+</style>