diff --git a/frontend/components/client-ticket/ClientTicketDetailModal.vue b/frontend/components/client-ticket/ClientTicketDetailModal.vue
new file mode 100644
index 0000000..8dc1b21
--- /dev/null
+++ b/frontend/components/client-ticket/ClientTicketDetailModal.vue
@@ -0,0 +1,209 @@
+<template>
+    <Teleport v-if="isOpen" to="body">
+        <Transition name="ticket-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 flex w-full max-w-2xl flex-col overflow-hidden rounded-2xl bg-white shadow-2xl ring-1 ring-black/5"
+                    style="max-height: min(90vh, 900px)"
+                >
+                    <!-- Header -->
+                    <div class="border-b border-neutral-100 bg-neutral-50/80 px-4 py-4 sm:px-8 sm:py-5">
+                        <div class="flex items-center justify-between">
+                            <div class="flex items-center gap-3">
+                                <span
+                                    v-if="ticket"
+                                    class="rounded-md bg-primary-500 px-2.5 py-1 text-xs font-bold tracking-wide text-white"
+                                >
+                                    CT-{{ String(ticket.number).padStart(3, '0') }}
+                                </span>
+                                <h2 class="text-lg font-bold tracking-tight text-neutral-900">
+                                    {{ $t('portal.ticketDetail') }}
+                                </h2>
+                            </div>
+                            <button
+                                type="button"
+                                class="flex h-8 w-8 items-center justify-center rounded-lg text-neutral-400 transition-colors hover:bg-neutral-200/60 hover:text-neutral-600"
+                                @click="close"
+                            >
+                                <Icon name="mdi:close" size="20" />
+                            </button>
+                        </div>
+                    </div>
+
+                    <!-- Body -->
+                    <div v-if="ticket" class="overflow-y-auto px-4 py-4 sm:px-8 sm:py-6">
+                        <!-- Title -->
+                        <h3 class="text-base font-bold text-neutral-900">{{ ticket.title }}</h3>
+
+                        <!-- Badges -->
+                        <div class="mt-3 flex items-center gap-2">
+                            <span
+                                class="rounded-full px-2 py-0.5 text-xs font-semibold text-white"
+                                :class="typeBadgeClass(ticket.type)"
+                            >
+                                {{ $t(`clientTicket.type.${ticket.type}`) }}
+                            </span>
+                            <span
+                                class="rounded-full px-3 py-1 text-xs font-semibold"
+                                :class="statusBadgeClass(ticket.status)"
+                            >
+                                {{ $t(`clientTicket.status.${ticket.status}`) }}
+                            </span>
+                        </div>
+
+                        <!-- Description -->
+                        <div class="mt-4">
+                            <p class="text-sm font-medium text-neutral-700">{{ $t('clientTicket.description') }}</p>
+                            <p class="mt-1 whitespace-pre-wrap text-sm text-neutral-600">{{ ticket.description }}</p>
+                        </div>
+
+                        <!-- URL (if bug) -->
+                        <div v-if="ticket.url" class="mt-4">
+                            <p class="text-sm font-medium text-neutral-700">{{ $t('clientTicket.url') }}</p>
+                            <a
+                                :href="ticket.url"
+                                target="_blank"
+                                class="mt-1 text-sm text-primary-500 underline hover:text-primary-600"
+                            >
+                                {{ ticket.url }}
+                            </a>
+                        </div>
+
+                        <!-- Status comment -->
+                        <div v-if="ticket.statusComment" class="mt-4">
+                            <p class="text-sm font-medium text-neutral-700">{{ $t('clientTicket.statusComment') }}</p>
+                            <p class="mt-1 whitespace-pre-wrap rounded-lg bg-neutral-50 p-3 text-sm text-neutral-600">{{ ticket.statusComment }}</p>
+                        </div>
+
+                        <!-- Documents -->
+                        <TaskDocumentList
+                            v-if="localDocuments.length"
+                            :documents="localDocuments"
+                            :is-admin="false"
+                            @preview="openPreview"
+                        />
+
+                        <!-- Document preview -->
+                        <TaskDocumentPreview
+                            :document="previewDoc"
+                            :has-prev="previewIndex > 0"
+                            :has-next="previewIndex < localDocuments.length - 1"
+                            @close="previewDoc = null"
+                            @prev="prevPreview"
+                            @next="nextPreview"
+                        />
+
+                        <!-- Upload zone -->
+                        <TaskDocumentUpload
+                            v-if="ticket"
+                            :client-ticket-id="ticket.id"
+                            @uploaded="refreshDocuments"
+                        />
+
+                        <!-- Date -->
+                        <p class="mt-6 text-xs text-neutral-400">
+                            {{ $t('clientTicket.createdAt') }} : {{ formatDate(ticket.createdAt) }}
+                        </p>
+                    </div>
+                </div>
+            </div>
+        </Transition>
+    </Teleport>
+</template>
+
+<script setup lang="ts">
+import type { ClientTicket } from '~/services/dto/client-ticket'
+import type { TaskDocument } from '~/services/dto/task-document'
+import { useTaskDocumentService } from '~/services/task-documents'
+
+const props = defineProps<{
+    modelValue: boolean
+    ticket: ClientTicket | null
+}>()
+
+const emit = defineEmits<{
+    (e: 'update:modelValue', value: boolean): void
+}>()
+
+const isOpen = computed({
+    get: () => props.modelValue,
+    set: (v) => emit('update:modelValue', v),
+})
+
+function close() {
+    isOpen.value = false
+}
+
+const { getByTicket } = useTaskDocumentService()
+const { typeBadgeClass, statusBadgeClass, formatDate } = useClientTicketHelpers()
+
+async function refreshDocuments() {
+    if (!props.ticket) return
+    localDocuments.value = await getByTicket(props.ticket.id)
+}
+
+// Document list (local copy to allow refresh)
+const localDocuments = ref<TaskDocument[]>([])
+
+watch(() => props.ticket?.documents, (docs) => {
+    localDocuments.value = docs ? [...docs] : []
+}, { immediate: true })
+
+// Document preview
+const previewDoc = ref<TaskDocument | null>(null)
+
+const previewIndex = computed(() => {
+    if (!previewDoc.value) return -1
+    return localDocuments.value.findIndex(d => d.id === previewDoc.value!.id)
+})
+
+function openPreview(doc: TaskDocument) {
+    previewDoc.value = doc
+}
+
+function prevPreview() {
+    if (previewIndex.value > 0) {
+        previewDoc.value = localDocuments.value[previewIndex.value - 1]
+    }
+}
+
+function nextPreview() {
+    if (previewIndex.value < localDocuments.value.length - 1) {
+        previewDoc.value = localDocuments.value[previewIndex.value + 1]
+    }
+}
+</script>
+
+<style scoped>
+.ticket-modal-enter-active,
+.ticket-modal-leave-active {
+    transition: opacity 0.2s ease;
+}
+
+.ticket-modal-enter-active > div:last-child,
+.ticket-modal-leave-active > div:last-child {
+    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
+}
+
+.ticket-modal-enter-from,
+.ticket-modal-leave-to {
+    opacity: 0;
+}
+
+.ticket-modal-enter-from > div:last-child {
+    transform: scale(0.95) translateY(8px);
+    opacity: 0;
+}
+
+.ticket-modal-leave-to > div:last-child {
+    transform: scale(0.97);
+    opacity: 0;
+}
+</style>
diff --git a/frontend/components/task/TaskDocumentUpload.vue b/frontend/components/task/TaskDocumentUpload.vue
index ba0d828..d78d854 100644
--- a/frontend/components/task/TaskDocumentUpload.vue
+++ b/frontend/components/task/TaskDocumentUpload.vue
@@ -49,14 +49,15 @@
 import { useTaskDocumentService } from '~/services/task-documents'
 
 const props = defineProps<{
-    taskId: number
+    taskId?: number
+    clientTicketId?: number
 }>()
 
 const emit = defineEmits<{
     uploaded: []
 }>()
 
-const { upload: uploadFile } = useTaskDocumentService()
+const { upload: uploadFile, uploadForTicket } = useTaskDocumentService()
 const toast = useToast()
 const { t } = useI18n()
 
@@ -109,7 +110,11 @@ async function processFiles(files: File[]) {
         uploads.value.push(state)
 
         try {
-            await uploadFile(props.taskId, file)
+            if (props.clientTicketId) {
+                await uploadForTicket(props.clientTicketId, file)
+            } else if (props.taskId) {
+                await uploadFile(props.taskId, file)
+            }
             state.uploading = false
             state.progress = 100
         } catch {