diff --git a/frontend/components/ui/AppModal.vue b/frontend/components/ui/AppModal.vue
new file mode 100644
index 0000000..e949ec5
--- /dev/null
+++ b/frontend/components/ui/AppModal.vue
@@ -0,0 +1,87 @@
+<script setup lang="ts">
+const props = withDefaults(defineProps<{
+    modelValue: boolean
+    title?: string
+    /** Largeur max du panneau */
+    width?: 'sm' | 'md' | 'lg' | 'xl'
+}>(), {
+    title: '',
+    width: 'md',
+})
+
+const emit = defineEmits<{
+    'update:modelValue': [value: boolean]
+}>()
+
+const WIDTH_CLASS: Record<NonNullable<typeof props.width>, string> = {
+    sm: 'max-w-md',
+    md: 'max-w-lg',
+    lg: 'max-w-2xl',
+    xl: 'max-w-4xl',
+}
+
+function close(): void {
+    emit('update:modelValue', false)
+}
+</script>
+
+<template>
+    <Teleport v-if="modelValue" to="body">
+        <Transition name="app-modal" appear>
+            <div class="fixed inset-0 z-50 flex items-center justify-center p-4">
+                <div class="absolute inset-0 bg-slate-900/40 backdrop-blur-sm" @click="close" />
+
+                <div
+                    class="relative z-10 flex max-h-[90vh] w-full flex-col overflow-hidden rounded-2xl bg-white shadow-2xl ring-1 ring-black/5"
+                    :class="WIDTH_CLASS[width]"
+                >
+                    <!-- Header (fixe) -->
+                    <div class="flex shrink-0 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">
+                            <slot name="title">{{ title }}</slot>
+                        </h2>
+                        <MalioButtonIcon
+                            icon="mdi:close"
+                            aria-label="Fermer"
+                            variant="ghost"
+                            icon-size="20"
+                            @click="close"
+                        />
+                    </div>
+
+                    <!-- Body (scrollable) -->
+                    <div class="min-h-0 flex-1 overflow-y-auto px-6 py-5">
+                        <slot />
+                    </div>
+
+                    <!-- Footer (sticky) -->
+                    <div
+                        v-if="$slots.footer"
+                        class="flex shrink-0 justify-end gap-3 border-t border-neutral-100 bg-white px-6 py-4"
+                    >
+                        <slot name="footer" />
+                    </div>
+                </div>
+            </div>
+        </Transition>
+    </Teleport>
+</template>
+
+<style scoped>
+.app-modal-enter-active,
+.app-modal-leave-active {
+    transition: opacity 0.2s ease;
+}
+.app-modal-enter-active > div:last-child,
+.app-modal-leave-active > div:last-child {
+    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
+}
+.app-modal-enter-from,
+.app-modal-leave-to {
+    opacity: 0;
+}
+.app-modal-enter-from > div:last-child {
+    transform: scale(0.95) translateY(8px);
+    opacity: 0;
+}
+</style>