diff --git a/backend/src/lib/perks.ts b/backend/src/lib/perks.ts
index 3212bc9..c7f4dd1 100644
--- a/backend/src/lib/perks.ts
+++ b/backend/src/lib/perks.ts
@@ -25,6 +25,9 @@ export interface Perks {
   richHtmlcss?: boolean;
   richJs?: boolean;
   noFileLimit?: boolean;
+  ipColors?: boolean;
+  audioAlert?: boolean;
+  sendSkins?: { id: string; char: string; label?: string }[];
 }
 
 const perksKey = (ip: string) => `xip:perks:${ip}`;
@@ -88,6 +91,22 @@ export async function getPerksForIp(ip: string): Promise<Perks> {
       case "no-file-limit":
         perks.noFileLimit = true;
         break;
+      case "ip-colors":
+        perks.ipColors = true;
+        break;
+      case "audio-alert":
+        perks.audioAlert = true;
+        break;
+    }
+
+    // Send-button skins use a prefixed kind (send-skin-rocket, …), so they
+    // can't be matched by the switch above.
+    if (e.kind.startsWith("send-skin-")) {
+      (perks.sendSkins ??= []).push({
+        id: e.kind,
+        char: meta.char ?? "?",
+        label: meta.label,
+      });
     }
   }
   if (pets.length) perks.pets = pets.slice(0, 3);
diff --git a/backend/src/routes/messages.ts b/backend/src/routes/messages.ts
index e919f8a..429f185 100644
--- a/backend/src/routes/messages.ts
+++ b/backend/src/routes/messages.ts
@@ -66,17 +66,25 @@ messages.post("/", async (c) => {
   const ip = getClientIp(c);
 
   const body = await c.req.json<{
-    content: string;
+    content?: string;
     parentId?: string;
     richMode?: "htmlcss" | "js";
     richContent?: string;
     attachmentIds?: string[];
   }>();
 
-  if (!body.content || body.content.trim().length === 0) {
-    return c.json({ error: "Content is required" }, 400);
+  // A message is valid if it has ANY of: plain text, rich content, or attachments.
+  // (Rich-only and file-only messages are legitimate — no need for placeholder text.)
+  const hasContent = typeof body.content === "string" && body.content.trim().length > 0;
+  const hasRich =
+    !!body.richMode && !!body.richContent && body.richContent.trim().length > 0;
+  const hasAttachments =
+    Array.isArray(body.attachmentIds) && body.attachmentIds.length > 0;
+
+  if (!hasContent && !hasRich && !hasAttachments) {
+    return c.json({ error: "Message vide" }, 400);
   }
-  if (body.content.length > 267) {
+  if (hasContent && body.content!.trim().length > 267) {
     return c.json({ error: "Content exceeds 267 characters" }, 400);
   }
 
@@ -97,7 +105,7 @@ messages.post("/", async (c) => {
     richContent = body.richContent;
   }
 
-  const content = body.content.trim();
+  const content = (body.content ?? "").trim();
   const parentId = body.parentId ?? null;
 
   const message = await prisma.message.create({
diff --git a/backend/src/routes/shop.ts b/backend/src/routes/shop.ts
index 21c832c..5e0f213 100644
--- a/backend/src/routes/shop.ts
+++ b/backend/src/routes/shop.ts
@@ -11,6 +11,7 @@ import {
   type PurchaseOptions,
 } from "../lib/catalog";
 import { broadcast, broadcastToIp } from "../realtime";
+import { getPerksForIp } from "../lib/perks";
 
 const shop = new Hono();
 
@@ -30,11 +31,12 @@ shop.get("/products/:id", async (c) => {
 // GET /api/shop/me — my balance + owned entitlements
 shop.get("/me", async (c) => {
   const ip = getClientIp(c);
-  const [wallet, entitlements] = await Promise.all([
+  const [wallet, entitlements, myPerks] = await Promise.all([
     getWallet(ip),
     getEntitlements(ip),
+    getPerksForIp(ip),
   ]);
-  return c.json({ wallet, entitlements });
+  return c.json({ wallet, entitlements, myPerks });
 });
 
 // POST /api/shop/purchase  { productId, options }
diff --git a/frontend/src/components/ChatComposer.vue b/frontend/src/components/ChatComposer.vue
new file mode 100644
index 0000000..5783fb1
--- /dev/null
+++ b/frontend/src/components/ChatComposer.vue
@@ -0,0 +1,243 @@
+<!--
+  Barre de composition : texte simple, éditeur riche (HTML/CSS · JS), pièces
+  jointes, alerte audio, bouton d'envoi. Possède son propre état ; lit les
+  composables partagés directement (pas de prop-drilling). La réponse en cours
+  est passée par prop `replyingTo` ; on émet `clear-reply` une fois le message parti.
+-->
+<template>
+  <div class="composer">
+    <!-- Éditeur riche (HTML/CSS ou JS) -->
+    <div v-if="richMode !== 'none'" class="rich-composer">
+      <div class="rich-head">
+        <span class="rich-badge" :class="`rich-badge--${richMode}`">
+          {{ richMode === 'js' ? '⚡ JavaScript' : '🎨 HTML / CSS' }}
+        </span>
+        <button class="rich-close" @click="richMode = 'none'" type="button">✕ texte simple</button>
+      </div>
+      <textarea
+        v-model="richDraft"
+        class="rich-textarea"
+        :placeholder="richMode === 'js' ? '<script>document.body.style.background=&quot;lime&quot;<\/script>' : '<h1 style=&quot;color:#0ff&quot;>Salut</h1>'"
+        rows="4"
+      />
+    </div>
+
+    <!-- Barre de saisie -->
+    <div class="input-bar">
+      <!-- Bouton mode riche (si débloqué) -->
+      <button
+        v-if="myPerks.richHtmlcss || myPerks.richJs"
+        class="icon-btn"
+        :title="richMenuTitle"
+        @click="cycleRichMode"
+        type="button"
+      >{{ richMode === 'js' ? '⚡' : '🎨' }}</button>
+
+      <!-- Bouton pièce jointe -->
+      <button class="icon-btn" title="Joindre un fichier" @click="pickFile" type="button">📎</button>
+      <input ref="fileInput" type="file" hidden @change="onFileSelected" />
+
+      <!-- Bouton alerte audio (si débloqué) -->
+      <button
+        v-if="myPerks.audioAlert"
+        class="icon-btn icon-btn--alert"
+        :title="alertMsg || 'Déclencher l\'alerte audio générale'"
+        @click="triggerAlert"
+        type="button"
+      >🔊</button>
+
+      <div v-show="richMode === 'none'" class="field-wrap">
+        <input
+          v-model="draft"
+          class="input-field"
+          type="text"
+          placeholder="Entrez un message..."
+          :maxlength="267"
+          @input="onInput"
+          @keydown.enter.exact.prevent="submit"
+        />
+        <span class="char-counter" :class="{ warn: draft.length > 240 }">{{ draft.length }}/267</span>
+      </div>
+      <SendButton :disabled="!canSend || sending" @send="submit" />
+    </div>
+
+    <!-- Pièces jointes en attente -->
+    <div v-if="pendingFiles.length" class="pending-files">
+      <span v-for="f in pendingFiles" :key="f.id" class="pending-chip">
+        📎 {{ f.filename }} ({{ kb(f.size) }})
+        <button @click="removePending(f.id)" type="button">✕</button>
+      </span>
+    </div>
+    <div v-if="uploadError" class="upload-error">{{ uploadError }}</div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, computed } from 'vue';
+import SendButton from './SendButton.vue';
+import { useMessages, useMyPerks } from '@/composables/useMessages';
+import { useAttachments } from '@/composables/useAttachments';
+import { useAlert } from '@/composables/useAlert';
+
+const props = defineProps<{ replyingTo: { id: string; authorIp: string } | null }>();
+const emit = defineEmits<{ 'clear-reply': [] }>();
+
+const { sending, postMessage, sendTyping } = useMessages();
+const { myPerks } = useMyPerks();
+const { uploadFile, kb } = useAttachments();
+const { fireAlert } = useAlert();
+
+const draft = ref('');
+
+// ── Alerte audio ──
+const alertMsg = ref('');
+async function triggerAlert(): Promise<void> {
+  const res = await fireAlert();
+  alertMsg.value = res.ok ? '' : res.error || '';
+  if (alertMsg.value) setTimeout(() => { alertMsg.value = ''; }, 3000);
+}
+
+// ── Mode riche ──
+const richMode = ref<'none' | 'htmlcss' | 'js'>('none');
+const richDraft = ref('');
+const richMenuTitle = computed(() =>
+  myPerks.value.richJs ? 'Message riche : texte / HTML-CSS / JS' : 'Message riche : texte / HTML-CSS'
+);
+function cycleRichMode(): void {
+  // Cycle through the tiers the user owns.
+  if (richMode.value === 'none') richMode.value = myPerks.value.richHtmlcss ? 'htmlcss' : 'js';
+  else if (richMode.value === 'htmlcss') richMode.value = myPerks.value.richJs ? 'js' : 'none';
+  else richMode.value = 'none';
+}
+
+// ── Pièces jointes ──
+const fileInput = ref<HTMLInputElement | null>(null);
+const pendingFiles = ref<{ id: string; filename: string; size: number }[]>([]);
+const uploadError = ref<string | null>(null);
+function pickFile(): void {
+  uploadError.value = null;
+  fileInput.value?.click();
+}
+async function onFileSelected(e: Event): Promise<void> {
+  const input = e.target as HTMLInputElement;
+  const file = input.files?.[0];
+  input.value = '';
+  if (!file) return;
+  const res = await uploadFile(file);
+  if (res.ok) {
+    pendingFiles.value.push({ id: res.attachment.id, filename: res.attachment.filename, size: res.attachment.size });
+  } else {
+    uploadError.value = res.error;
+  }
+}
+function removePending(id: string): void {
+  pendingFiles.value = pendingFiles.value.filter((f) => f.id !== id);
+}
+
+// ── Frappe (stats) ──
+let prevLen = 0;
+function onInput(): void {
+  const len = draft.value.length;
+  const delta = len - prevLen;
+  prevLen = len;
+  sendTyping(delta > 0 ? delta : 0);
+}
+
+// ── Envoi ──
+const canSend = computed(() =>
+  !!draft.value.trim() || (richMode.value !== 'none' && !!richDraft.value.trim()) || pendingFiles.value.length > 0
+);
+
+async function submit(): Promise<void> {
+  if (!canSend.value) return;
+  const ok = await postMessage(draft.value, {
+    parentId: props.replyingTo?.id,
+    richMode: richMode.value !== 'none' && richDraft.value.trim() ? richMode.value : undefined,
+    richContent: richMode.value !== 'none' && richDraft.value.trim() ? richDraft.value : undefined,
+    attachmentIds: pendingFiles.value.map((f) => f.id),
+  });
+  if (ok) {
+    draft.value = '';
+    richDraft.value = '';
+    richMode.value = 'none';
+    pendingFiles.value = [];
+    uploadError.value = null;
+    prevLen = 0;
+    emit('clear-reply');
+  }
+}
+</script>
+
+<style scoped>
+/* ── Éditeur riche ── */
+.rich-composer {
+  flex-shrink: 0;
+  background: #0c0c16;
+  border-top: 1px solid #1a1a26;
+  padding: 8px 20px;
+}
+.rich-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
+.rich-badge { font-size: 11px; font-weight: bold; padding: 2px 8px; border-radius: 8px; }
+.rich-badge--htmlcss { color: #00ddaa; background: #062019; }
+.rich-badge--js { color: #ffcc44; background: #201a06; }
+.rich-close { background: none; border: none; color: #557; cursor: pointer; font-size: 11px; }
+.rich-close:hover { color: #aac; }
+.rich-textarea {
+  width: 100%; box-sizing: border-box; resize: vertical;
+  background: #141420; border: 1px solid #222234; border-radius: 8px;
+  color: #aaccbb; font-family: 'Courier New', monospace; font-size: 12px; padding: 8px 10px; outline: none;
+}
+
+/* ── Barre de saisie ── */
+.input-bar {
+  min-height: 70px;
+  flex-shrink: 0;
+  background: #0e0e16;
+  border-top: 1px solid #1a1a26;
+  display: flex;
+  align-items: center;
+  padding: 0 20px;
+  gap: 10px;
+}
+.icon-btn {
+  flex-shrink: 0;
+  width: 36px; height: 36px;
+  background: #141420; border: 1px solid #222234; border-radius: 50%;
+  font-size: 16px; cursor: pointer; display: flex; align-items: center; justify-content: center;
+  transition: background 0.15s;
+}
+.icon-btn:hover { background: #1c1c2e; }
+.icon-btn--alert { border-color: #aa3344; }
+.icon-btn--alert:hover { background: #1e1218; }
+
+.field-wrap { flex: 1; position: relative; display: flex; align-items: center; }
+.input-field {
+  flex: 1;
+  background: #141420;
+  border: 1px solid #222234;
+  border-radius: 23px;
+  padding: 12px 60px 12px 22px;
+  color: #aaaacc;
+  font-family: Arial, sans-serif;
+  font-size: 13px;
+  outline: none;
+  transition: border-color 0.15s;
+}
+.input-field::placeholder { color: #2a2a44; }
+.input-field:focus         { border-color: #333355; }
+.char-counter {
+  position: absolute; right: 16px;
+  font-family: 'Courier New', monospace; font-size: 10px; color: #33334d; pointer-events: none;
+}
+.char-counter.warn { color: #ff8844; }
+
+/* ── Pièces jointes en attente ── */
+.pending-files { flex-shrink: 0; display: flex; flex-wrap: wrap; gap: 8px; padding: 8px 20px 10px; }
+.pending-chip {
+  display: inline-flex; align-items: center; gap: 6px;
+  background: #141420; border: 1px solid #222234; border-radius: 12px;
+  padding: 4px 10px; font-size: 11px; color: #aaccbb; font-family: Arial, sans-serif;
+}
+.pending-chip button { background: none; border: none; color: #66f; cursor: pointer; }
+.upload-error { flex-shrink: 0; padding: 0 20px 10px; color: #ff7788; font-size: 11px; font-family: Arial, sans-serif; }
+</style>
diff --git a/frontend/src/components/ChatHeader.vue b/frontend/src/components/ChatHeader.vue
index c80d0ff..7baf082 100644
--- a/frontend/src/components/ChatHeader.vue
+++ b/frontend/src/components/ChatHeader.vue
@@ -37,8 +37,8 @@ const { theme } = useTheme();
 .chat-header {
   height: 52px;
   flex-shrink: 0;
-  background: #0e0e16;
-  border-bottom: 1px solid #1a1a2a;
+  background: var(--xip-header-bg);
+  border-bottom: 1px solid var(--xip-header-border);
   display: flex;
   align-items: center;
   justify-content: space-between;
diff --git a/frontend/src/components/MessageItemBubble.vue b/frontend/src/components/MessageItemBubble.vue
index 59e367b..7ca9cd3 100644
--- a/frontend/src/components/MessageItemBubble.vue
+++ b/frontend/src/components/MessageItemBubble.vue
@@ -103,22 +103,22 @@ const isMine = computed(() => props.message.authorIp === props.myIp);
 }
 
 .bubble {
-  background: #141422;
-  border: 1px solid #222236;
+  background: var(--xip-bubble-other);
+  border: 1px solid var(--xip-bubble-other-border);
   border-radius: 14px 14px 14px 4px;
   padding: 7px 13px;
   font-family: Arial, sans-serif;
   font-size: 13px;
-  color: #c0c0c0;
+  color: #e0e0e8;
   max-width: 72%;
   word-break: break-word;
   line-height: 1.4;
 }
 .bubble--mine {
-  background: #0e1f30;
-  border-color: #1a3a55;
+  background: var(--xip-bubble-sent);
+  border-color: var(--xip-bubble-sent-border);
   border-radius: 14px 14px 4px 14px;
-  color: #cce0f0;
+  color: #eef4f0;
 }
 
 .bubble-thread {
diff --git a/frontend/src/components/MessageItemCompact.vue b/frontend/src/components/MessageItemCompact.vue
new file mode 100644
index 0000000..c908b77
--- /dev/null
+++ b/frontend/src/components/MessageItemCompact.vue
@@ -0,0 +1,95 @@
+<!-- Variante "compact" du message — une ligne dense (IP + contenu inline) -->
+<template>
+  <div class="compact-item">
+    <div class="compact-line">
+      <span class="compact-ip" :style="ipStyle(message)">
+        <span v-if="petsLeft(message)" class="pet">{{ petsLeft(message) }}</span>{{ message.authorIp }}<span v-if="petsRight(message)" class="pet">{{ petsRight(message) }}</span>
+      </span>
+      <img
+        v-if="message.authorGeo?.countryCode"
+        :src="`https://flagcdn.com/16x12/${message.authorGeo.countryCode.toLowerCase()}.png`"
+        :alt="message.authorGeo.countryCode"
+        class="compact-flag"
+      />
+      <RichContent
+        v-if="message.richMode && message.richMode !== 'none' && message.richContent"
+        :mode="message.richMode"
+        :content="message.richContent"
+      />
+      <span v-else class="compact-body">{{ message.content }}</span>
+      <span class="compact-ts">{{ fmt(message.createdAt) }}</span>
+      <button
+        class="compact-reply-btn"
+        type="button"
+        @click="$emit('reply', { id: message.id, authorIp: message.authorIp })"
+      >↩</button>
+    </div>
+
+    <MessageAttachments v-if="message.attachments?.length" :attachments="message.attachments" />
+
+    <!-- Réponses, inline et indentées -->
+    <div
+      v-for="reply in message.replies"
+      :key="reply.id"
+      class="compact-line compact-line--reply"
+    >
+      <span class="compact-ip" :style="ipStyle(reply)">{{ reply.authorIp }}</span>
+      <RichContent
+        v-if="reply.richMode && reply.richMode !== 'none' && reply.richContent"
+        :mode="reply.richMode"
+        :content="reply.richContent"
+      />
+      <span v-else class="compact-body">{{ reply.content }}</span>
+      <span class="compact-ts">{{ fmt(reply.createdAt) }}</span>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import type { Message } from '@/composables/useMessages';
+import { useMessageItem } from '@/composables/useMessageItem';
+import RichContent from './RichContent.vue';
+import MessageAttachments from './MessageAttachments.vue';
+
+defineProps<{ message: Message; myIp?: string }>();
+defineEmits<{ reply: [payload: { id: string; authorIp: string }] }>();
+
+const { ipStyle, petsLeft, petsRight, fmt } = useMessageItem();
+</script>
+
+<style scoped>
+.compact-item {
+  padding: 1px 14px;
+  border-bottom: 1px solid #0e0e18;
+}
+.compact-line {
+  display: flex;
+  align-items: baseline;
+  gap: 8px;
+  font-family: 'Courier New', monospace;
+  font-size: 12px;
+  line-height: 1.7;
+}
+.compact-line--reply { padding-left: 24px; opacity: 0.85; }
+
+.compact-ip { font-weight: bold; flex-shrink: 0; }
+.pet { font-size: 11px; }
+.compact-flag { width: 14px; height: 10px; object-fit: cover; border-radius: 2px; flex-shrink: 0; }
+
+.compact-body {
+  font-family: 'Lato', Arial, sans-serif;
+  color: #c0c0c0;
+  flex: 1;
+  min-width: 0;
+  word-break: break-word;
+}
+.compact-ts { color: #303040; font-size: 10px; flex-shrink: 0; }
+
+.compact-reply-btn {
+  background: none; border: none; cursor: pointer;
+  font-size: 11px; color: #33335a; padding: 0; flex-shrink: 0;
+  opacity: 0; transition: opacity 0.12s;
+}
+.compact-item:hover .compact-reply-btn { opacity: 1; }
+.compact-reply-btn:hover { color: var(--xip-accent); }
+</style>
diff --git a/frontend/src/components/MessageList.vue b/frontend/src/components/MessageList.vue
index 16c95da..dd4dfa1 100644
--- a/frontend/src/components/MessageList.vue
+++ b/frontend/src/components/MessageList.vue
@@ -25,9 +25,10 @@
 <script setup lang="ts">
 import { ref, computed, watch, nextTick } from 'vue';
 import type { Message } from '@/composables/useMessages';
-import { useTheme } from '@/composables/useTheme';
+import { useTheme, THEME_LAYOUT, type Layout } from '@/composables/useTheme';
 import MessageItem from './MessageItem.vue';
 import MessageItemBubble from './MessageItemBubble.vue';
+import MessageItemCompact from './MessageItemCompact.vue';
 import InlineCasinoAd from './InlineCasinoAd.vue';
 
 const props = defineProps<{ messages: Message[]; hideAds?: boolean; myIp?: string }>();
@@ -35,10 +36,16 @@ defineEmits<{ reply: [payload: { id: string; authorIp: string }] }>();
 
 const { theme } = useTheme();
 
-const messageComponent = computed(() => {
-  if (theme.value === 'bubble') return MessageItemBubble;
-  return MessageItem;
-});
+// One component per layout family. The `?? MessageItem` fallback guarantees a
+// missing/unknown layout can never produce `<component :is="undefined">`.
+const LAYOUT_COMPONENT: Record<Layout, typeof MessageItem> = {
+  classic: MessageItem,
+  bubble: MessageItemBubble,
+  compact: MessageItemCompact,
+};
+const messageComponent = computed(
+  () => LAYOUT_COMPONENT[THEME_LAYOUT[theme.value]] ?? MessageItem,
+);
 
 const listEl = ref<HTMLElement | null>(null);
 
diff --git a/frontend/src/components/SendButton.vue b/frontend/src/components/SendButton.vue
index 06b52c7..e4a5ec5 100644
--- a/frontend/src/components/SendButton.vue
+++ b/frontend/src/components/SendButton.vue
@@ -35,6 +35,9 @@ const activeSkinChar = computed(() => {
 });
 
 const btnStyle = computed(() => {
+  // On the default preset, defer to the theme's CSS variables (so e.g. the
+  // WhatsApp theme tints the button green). A chosen preset overrides the theme.
+  if (prefs.sendButton === 'default') return {};
   const p = SEND_BUTTON_PRESETS[prefs.sendButton];
   return { background: p.bg, color: p.color, borderRadius: p.radius };
 });
@@ -77,6 +80,10 @@ function onRightClick(e: MouseEvent): void {
   height: 42px;
   flex-shrink: 0;
   border: 1px solid #ffffff10;
+  border-radius: 50%;
+  /* Defaults from the theme palette; a chosen preset overrides via inline style. */
+  background: var(--xip-send-bg);
+  color: var(--xip-send-fg);
   cursor: pointer;
   display: flex;
   align-items: center;
diff --git a/frontend/src/composables/ipColor.ts b/frontend/src/composables/ipColor.ts
index d1600b7..b2b440d 100644
--- a/frontend/src/composables/ipColor.ts
+++ b/frontend/src/composables/ipColor.ts
@@ -10,7 +10,8 @@ export function getIpColor(ip: string): string {
   return PALETTE[Math.abs(hash) % PALETTE.length];
 }
 
-export function getIpGlow(color: string): string {
+// Glows are currently disabled globally; params kept for signature stability.
+export function getIpGlow(_color: string): string {
   return 'none';
 }
 
@@ -27,6 +28,6 @@ export function getIpColorWithPerks(ip: string, perks?: PerkLike | null): string
   return getIpColor(ip);
 }
 
-export function getIpGlowWithPerks(ip: string, perks?: PerkLike | null): string {
+export function getIpGlowWithPerks(_ip: string, _perks?: PerkLike | null): string {
   return 'none';
 }
diff --git a/frontend/src/composables/useMessages.ts b/frontend/src/composables/useMessages.ts
index 5faf1f3..34a90b6 100644
--- a/frontend/src/composables/useMessages.ts
+++ b/frontend/src/composables/useMessages.ts
@@ -48,37 +48,19 @@ export interface Message extends Reply {
 
 const API_URL = import.meta.env.VITE_API_URL ?? 'http://localhost:3000';
 
-/** Refresh the viewer's own perks from the server (callable from anywhere). */
+/**
+ * Refresh the viewer's own perks from the server (callable from anywhere).
+ * The backend computes the perks (entitlement.kind → Perks) and returns them
+ * precomputed as `myPerks`, so we just adopt them — no client-side re-derivation.
+ */
 export async function refreshMyPerks(): Promise<void> {
   try {
     const res = await fetch(`${API_URL}/api/shop/me`);
     if (!res.ok) return;
-    const { entitlements } = (await res.json()) as {
-      entitlements: { kind: string; metaJson?: string | null }[];
-    };
-    const p: Perks = {};
-    const pets: { char: string; position: 'left' | 'right' | 'both' }[] = [];
-    for (const e of entitlements) {
-      let meta: any = {};
-      try { meta = e.metaJson ? JSON.parse(e.metaJson) : {}; } catch { /* */ }
-      if (e.kind === 'noads') { p.noads = true; if (meta.plan === 'annual') p.badge = true; }
-      if (e.kind === 'style-dore') p.skin = 'gold';
-      if (e.kind === 'pet' && meta.char) pets.push({ char: meta.char, position: meta.position ?? 'left' });
-      if (e.kind === 'element-skin') p.elementSkin = true;        if (e.kind === 'ip-colors') p.ipColors = true;
-        if (e.kind.startsWith('send-skin-')) {
-          let meta2: any = {};
-          try { meta2 = e.metaJson ? JSON.parse(e.metaJson) : {}; } catch {}
-          if (!p.sendSkins) p.sendSkins = [];
-          p.sendSkins.push({ id: e.kind, char: meta2.char ?? '?', label: meta2.label });
-        }      if (e.kind === 'rich-htmlcss') p.richHtmlcss = true;
-      if (e.kind === 'rich-js') p.richJs = true;
-      if (e.kind === 'no-file-limit') p.noFileLimit = true;
-      if (e.kind === 'audio-alert') p.audioAlert = true;
-    }
-    if (pets.length) p.pets = pets;
-    myPerks.value = p;
+    const { myPerks: p } = (await res.json()) as { myPerks?: Perks };
+    myPerks.value = p ?? {};
     const { ip } = useWallet();
-    if (ip.value) setPerks(ip.value, p);
+    if (ip.value) setPerks(ip.value, myPerks.value);
   } catch {
     /* ignore */
   }
@@ -186,7 +168,7 @@ export function useMessages() {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
         body: JSON.stringify({
-          content: content.trim() || ' ',
+          content: content.trim(),
           parentId: extras.parentId,
           richMode: extras.richMode,
           richContent: extras.richContent,
@@ -214,6 +196,8 @@ export function useMessages() {
     fetchMyPerks();
   });
 
+  // Note: viewer-own perks live in the module-level `myPerks` singleton; read
+  // them via `useMyPerks()` rather than off this return (consistency rule).
   return {
     messages,
     loading,
@@ -222,7 +206,6 @@ export function useMessages() {
     stats,
     connected,
     sendTyping,
-    get myPerks() { return myPerks; },
     myIp,
     fetchMyPerks,
   };
diff --git a/frontend/src/composables/useMeta.ts b/frontend/src/composables/useMeta.ts
new file mode 100644
index 0000000..5196a8f
--- /dev/null
+++ b/frontend/src/composables/useMeta.ts
@@ -0,0 +1,28 @@
+/**
+ * Safe JSON parser for the `metaJson` strings carried by products and
+ * entitlements. Returns the fallback on any parse error instead of throwing,
+ * so callers can drop their repetitive try/catch + `any` casts.
+ */
+export function parseMeta<T = Record<string, unknown>>(
+  json: string | null | undefined,
+  fallback: T = {} as T,
+): T {
+  if (!json) return fallback;
+  try {
+    return JSON.parse(json) as T;
+  } catch {
+    return fallback;
+  }
+}
+
+/** Shape of a product's metaJson (all fields optional — depends on kind). */
+export interface ProductMeta {
+  designs?: { id: string; char: string }[];
+  positions?: string[];
+  plans?: { id: string; label: string; price: number }[];
+  durations?: { days: number; extra: number }[];
+  formats?: { id: string; label: string; extra: number }[];
+  char?: string;
+  label?: string;
+  includes?: string[];
+}
diff --git a/frontend/src/composables/useShop.ts b/frontend/src/composables/useShop.ts
index 009a46e..49ebf9c 100644
--- a/frontend/src/composables/useShop.ts
+++ b/frontend/src/composables/useShop.ts
@@ -1,6 +1,7 @@
 import { ref } from 'vue';
 import { useWallet } from './useWallet';
 import { refreshMyPerks } from './useMessages';
+import { parseMeta, type ProductMeta } from './useMeta';
 
 /** Marketplace client: catalogue, my entitlements, purchase flow. */
 
@@ -84,10 +85,7 @@ export function useShop() {
   function ownedPetChars(): string[] {
     return entitlements.value
       .filter((e) => e.kind === 'pet' && e.active)
-      .map((e) => {
-        try { return (JSON.parse(e.metaJson ?? '{}') as any).char ?? ''; }
-        catch { return ''; }
-      })
+      .map((e) => parseMeta<ProductMeta>(e.metaJson).char ?? '')
       .filter(Boolean);
   }
 
diff --git a/frontend/src/composables/useTheme.ts b/frontend/src/composables/useTheme.ts
index 7732f5d..ad1a6a5 100644
--- a/frontend/src/composables/useTheme.ts
+++ b/frontend/src/composables/useTheme.ts
@@ -1,6 +1,9 @@
 import { ref, provide, inject, type InjectionKey, type Ref } from 'vue';
 
-export type Theme = 'default' | 'bubble' | 'compact';
+export type Theme = 'default' | 'bubble' | 'compact' | 'whatsapp';
+
+/** Which message layout a theme uses (drives the dynamic <component :is>). */
+export type Layout = 'classic' | 'bubble' | 'compact';
 
 export interface ThemeContext {
   theme: Ref<Theme>;
@@ -10,9 +13,22 @@ export interface ThemeContext {
 export const THEME_KEY: InjectionKey<ThemeContext> = Symbol('xip-theme');
 
 const THEMES: Record<Theme, { label: string; emoji: string }> = {
-  default: { label: 'Classique', emoji: '📋' },
-  bubble:  { label: 'Bulles',    emoji: '💬' },
-  compact: { label: 'Compact',   emoji: '📐' },
+  default:  { label: 'Classique', emoji: '📋' },
+  bubble:   { label: 'Bulles',    emoji: '💬' },
+  compact:  { label: 'Compact',   emoji: '📐' },
+  whatsapp: { label: 'WhatsApp',  emoji: '💚' },
+};
+
+/**
+ * A theme = a message layout (component) + a CSS-variable palette (applied via a
+ * `data-theme` attribute on the app root). WhatsApp reuses the bubble layout with
+ * a green palette — no dedicated message component needed.
+ */
+const THEME_LAYOUT: Record<Theme, Layout> = {
+  default:  'classic',
+  bubble:   'bubble',
+  compact:  'compact',
+  whatsapp: 'bubble',
 };
 
 export function provideTheme() {
@@ -36,4 +52,4 @@ export function useTheme(): ThemeContext {
   });
 }
 
-export { THEMES };
+export { THEMES, THEME_LAYOUT };
diff --git a/frontend/src/style.css b/frontend/src/style.css
index 07572ab..9f0d937 100644
--- a/frontend/src/style.css
+++ b/frontend/src/style.css
@@ -37,11 +37,42 @@
   padding: 0;
 }
 
+/* ── Thèmes : palette par variables CSS, basculée via [data-theme] sur la racine app ──
+   Le défaut = palette XIP sombre/néon. Chaque thème ne redéfinit que les surfaces
+   à fort impact (fond, header, bulles, bouton d'envoi). */
+:root {
+  --xip-app-bg: #080808;
+  --xip-bg: #090910;
+  --xip-header-bg: #0e0e16;
+  --xip-header-border: #1a1a2a;
+  --xip-bubble-other: #141422;
+  --xip-bubble-other-border: #222236;
+  --xip-bubble-sent: #0e1f30;
+  --xip-bubble-sent-border: #1a3a55;
+  --xip-accent: #00ddff;
+  --xip-send-bg: #004488;
+  --xip-send-fg: #00ddff;
+}
+
+[data-theme="whatsapp"] {
+  --xip-app-bg: #0b141a;
+  --xip-bg: #0b141a;
+  --xip-header-bg: #202c33;
+  --xip-header-border: #2a3942;
+  --xip-bubble-other: #202c33;
+  --xip-bubble-other-border: #2a3942;
+  --xip-bubble-sent: #005c4b;          /* vert sortant signature WhatsApp */
+  --xip-bubble-sent-border: #047857;
+  --xip-accent: #00a884;
+  --xip-send-bg: #00a884;
+  --xip-send-fg: #ffffff;
+}
+
 html,
 body,
 #app {
   height: 100%;
   overflow: hidden;
-  background: #080808;
+  background: var(--xip-app-bg);
   font-family: 'Lato', sans-serif;
 }
diff --git a/frontend/src/views/HomePage.vue b/frontend/src/views/HomePage.vue
index 6c5b29d..5720cfc 100644
--- a/frontend/src/views/HomePage.vue
+++ b/frontend/src/views/HomePage.vue
@@ -1,5 +1,5 @@
 <template>
-  <div class="xip-app">
+  <div class="xip-app" :data-theme="theme">
     <!-- Bandeau de stats temps réel, toujours visible -->
     <StatsTicker :stats="stats" :connected="connected" />
 
@@ -17,69 +17,8 @@
           <button class="reply-cancel" @click="cancelReply" type="button">✕</button>
         </div>
 
-        <!-- Composer riche (HTML/CSS ou JS) -->
-        <div v-if="richMode !== 'none'" class="rich-composer">
-          <div class="rich-head">
-            <span class="rich-badge" :class="`rich-badge--${richMode}`">
-              {{ richMode === 'js' ? '⚡ JavaScript' : '🎨 HTML / CSS' }}
-            </span>
-            <button class="rich-close" @click="richMode = 'none'" type="button">✕ texte simple</button>
-          </div>
-          <textarea
-            v-model="richDraft"
-            class="rich-textarea"
-            :placeholder="richMode === 'js' ? '<script>document.body.style.background=&quot;lime&quot;<\/script>' : '<h1 style=&quot;color:#0ff&quot;>Salut</h1>'"
-            rows="4"
-          />
-        </div>
-
-        <!-- Barre de saisie -->
-        <div class="input-bar">
-          <!-- Bouton mode riche (si débloqué) -->
-          <button
-            v-if="myPerks.richHtmlcss || myPerks.richJs"
-            class="icon-btn"
-            :title="richMenuTitle"
-            @click="cycleRichMode"
-            type="button"
-          >{{ richMode === 'none' ? '🎨' : richMode === 'htmlcss' ? '🎨' : '⚡' }}</button>
-
-          <!-- Bouton pièce jointe -->
-          <button class="icon-btn" title="Joindre un fichier" @click="pickFile" type="button">📎</button>
-          <input ref="fileInput" type="file" hidden @change="onFileSelected" />
-
-          <!-- Bouton alerte audio (si débloqué) -->
-          <button
-            v-if="myPerks.audioAlert"
-            class="icon-btn icon-btn--alert"
-            :title="alertMsg || 'Déclencher l\'alerte audio générale'"
-            @click="triggerAlert"
-            type="button"
-          >🔊</button>
-
-          <div v-show="richMode === 'none'" class="field-wrap">
-            <input
-              v-model="draft"
-              class="input-field"
-              type="text"
-              placeholder="Entrez un message..."
-              :maxlength="267"
-              @input="onInput"
-              @keydown.enter.exact.prevent="submit"
-            />
-            <span class="char-counter" :class="{ warn: draft.length > 240 }">{{ draft.length }}/267</span>
-          </div>
-          <SendButton :disabled="!canSend || sending" @send="submit" />
-        </div>
-
-        <!-- Pièces jointes en attente -->
-        <div v-if="pendingFiles.length" class="pending-files">
-          <span v-for="f in pendingFiles" :key="f.id" class="pending-chip">
-            📎 {{ f.filename }} ({{ kb(f.size) }})
-            <button @click="removePending(f.id)" type="button">✕</button>
-          </span>
-        </div>
-        <div v-if="uploadError" class="upload-error">{{ uploadError }}</div>
+        <!-- Composer (texte / riche / pièces jointes / envoi) -->
+        <ChatComposer :replying-to="replyingTo" @clear-reply="cancelReply" />
       </div>
     </div>
   </div>
@@ -87,21 +26,18 @@
 
 <script setup lang="ts">
 import { ref, computed } from 'vue';
-import ChatHeader  from '@/components/ChatHeader.vue';
-import MessageList from '@/components/MessageList.vue';
-import SendButton  from '@/components/SendButton.vue';
-import StatsTicker from '@/components/StatsTicker.vue';
-import { useMessages } from '@/composables/useMessages';
+import ChatHeader   from '@/components/ChatHeader.vue';
+import MessageList  from '@/components/MessageList.vue';
+import ChatComposer from '@/components/ChatComposer.vue';
+import StatsTicker  from '@/components/StatsTicker.vue';
+import { useMessages, useMyPerks } from '@/composables/useMessages';
 import { provideTheme } from '@/composables/useTheme';
-
-provideTheme();
-import { useAttachments } from '@/composables/useAttachments';
-import { useAlert } from '@/composables/useAlert';
 import { useCustomStyles } from '@/composables/useCustomStyles';
 
-const { messages, sending, postMessage, stats, connected, sendTyping, myPerks, myIp } = useMessages();
-const { uploadFile, kb } = useAttachments();
-const { fireAlert } = useAlert();
+const { theme } = provideTheme();
+
+const { messages, stats, connected, myIp } = useMessages();
+const { myPerks } = useMyPerks();
 const { prefs: stylePrefs } = useCustomStyles();
 
 const chatBgStyle = computed(() => {
@@ -114,17 +50,7 @@ const chatBgStyle = computed(() => {
   };
 });
 
-const draft = ref('');
-
-// ── Alerte audio ──
-const alertMsg = ref('');
-async function triggerAlert(): Promise<void> {
-  const res = await fireAlert();
-  alertMsg.value = res.ok ? '' : res.error || '';
-  if (alertMsg.value) setTimeout(() => { alertMsg.value = ''; }, 3000);
-}
-
-// ── Réponse ──
+// ── Réponse (la bannière vit ici ; le composer envoie avec parentId) ──
 const replyingTo = ref<{ id: string; authorIp: string } | null>(null);
 function startReply(payload: { id: string; authorIp: string }): void {
   replyingTo.value = payload;
@@ -132,76 +58,6 @@ function startReply(payload: { id: string; authorIp: string }): void {
 function cancelReply(): void {
   replyingTo.value = null;
 }
-
-// ── Mode riche ──
-const richMode = ref<'none' | 'htmlcss' | 'js'>('none');
-const richDraft = ref('');
-const richMenuTitle = computed(() =>
-  myPerks.value.richJs ? 'Message riche : texte / HTML-CSS / JS' : 'Message riche : texte / HTML-CSS'
-);
-function cycleRichMode(): void {
-  // Cycle through the tiers the user owns.
-  if (richMode.value === 'none') richMode.value = myPerks.value.richHtmlcss ? 'htmlcss' : 'js';
-  else if (richMode.value === 'htmlcss') richMode.value = myPerks.value.richJs ? 'js' : 'none';
-  else richMode.value = 'none';
-}
-
-// ── Pièces jointes ──
-const fileInput = ref<HTMLInputElement | null>(null);
-const pendingFiles = ref<{ id: string; filename: string; size: number }[]>([]);
-const uploadError = ref<string | null>(null);
-function pickFile(): void {
-  uploadError.value = null;
-  fileInput.value?.click();
-}
-async function onFileSelected(e: Event): Promise<void> {
-  const input = e.target as HTMLInputElement;
-  const file = input.files?.[0];
-  input.value = '';
-  if (!file) return;
-  const res = await uploadFile(file);
-  if (res.ok) {
-    pendingFiles.value.push({ id: res.attachment.id, filename: res.attachment.filename, size: res.attachment.size });
-  } else {
-    uploadError.value = res.error;
-  }
-}
-function removePending(id: string): void {
-  pendingFiles.value = pendingFiles.value.filter((f) => f.id !== id);
-}
-
-// ── Frappe (stats) ──
-let prevLen = 0;
-function onInput(): void {
-  const len = draft.value.length;
-  const delta = len - prevLen;
-  prevLen = len;
-  sendTyping(delta > 0 ? delta : 0);
-}
-
-// ── Envoi ──
-const canSend = computed(() =>
-  !!draft.value.trim() || (richMode.value !== 'none' && !!richDraft.value.trim()) || pendingFiles.value.length > 0
-);
-
-async function submit(): Promise<void> {
-  if (!canSend.value) return;
-  const ok = await postMessage(draft.value, {
-    parentId: replyingTo.value?.id,
-    richMode: richMode.value !== 'none' && richDraft.value.trim() ? richMode.value : undefined,
-    richContent: richMode.value !== 'none' && richDraft.value.trim() ? richDraft.value : undefined,
-    attachmentIds: pendingFiles.value.map((f) => f.id),
-  });
-  if (ok) {
-    draft.value = '';
-    richDraft.value = '';
-    richMode.value = 'none';
-    pendingFiles.value = [];
-    replyingTo.value = null;
-    uploadError.value = null;
-    prevLen = 0;
-  }
-}
 </script>
 
 <style scoped>
@@ -210,7 +66,7 @@ async function submit(): Promise<void> {
   flex-direction: column;
   width: 100vw;
   height: 100dvh;
-  background: #080808;
+  background: var(--xip-app-bg);
   overflow: hidden;
 }
 
@@ -226,7 +82,7 @@ async function submit(): Promise<void> {
   min-width: 0;
   display: flex;
   flex-direction: column;
-  background: #090910;
+  background: var(--xip-bg);
   overflow: hidden;
 }
 
@@ -244,76 +100,4 @@ async function submit(): Promise<void> {
 .reply-ip { font-family: 'Courier New', monospace; color: #00ccff; font-weight: bold; }
 .reply-cancel { background: none; border: none; color: #557; cursor: pointer; font-size: 13px; }
 .reply-cancel:hover { color: #aac; }
-
-/* ── Composer riche ── */
-.rich-composer {
-  flex-shrink: 0;
-  background: #0c0c16;
-  border-top: 1px solid #1a1a26;
-  padding: 8px 20px;
-}
-.rich-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
-.rich-badge { font-size: 11px; font-weight: bold; padding: 2px 8px; border-radius: 8px; }
-.rich-badge--htmlcss { color: #00ddaa; background: #062019; }
-.rich-badge--js { color: #ffcc44; background: #201a06; }
-.rich-close { background: none; border: none; color: #557; cursor: pointer; font-size: 11px; }
-.rich-close:hover { color: #aac; }
-.rich-textarea {
-  width: 100%; box-sizing: border-box; resize: vertical;
-  background: #141420; border: 1px solid #222234; border-radius: 8px;
-  color: #aaccbb; font-family: 'Courier New', monospace; font-size: 12px; padding: 8px 10px; outline: none;
-}
-
-/* ── Barre de saisie ── */
-.input-bar {
-  min-height: 70px;
-  flex-shrink: 0;
-  background: #0e0e16;
-  border-top: 1px solid #1a1a26;
-  display: flex;
-  align-items: center;
-  padding: 0 20px;
-  gap: 10px;
-}
-.icon-btn {
-  flex-shrink: 0;
-  width: 36px; height: 36px;
-  background: #141420; border: 1px solid #222234; border-radius: 50%;
-  font-size: 16px; cursor: pointer; display: flex; align-items: center; justify-content: center;
-  transition: background 0.15s;
-}
-.icon-btn:hover { background: #1c1c2e; }
-.icon-btn--alert { border-color: #aa3344; }
-.icon-btn--alert:hover { background: #1e1218; }
-
-.field-wrap { flex: 1; position: relative; display: flex; align-items: center; }
-.input-field {
-  flex: 1;
-  background: #141420;
-  border: 1px solid #222234;
-  border-radius: 23px;
-  padding: 12px 60px 12px 22px;
-  color: #aaaacc;
-  font-family: Arial, sans-serif;
-  font-size: 13px;
-  outline: none;
-  transition: border-color 0.15s;
-}
-.input-field::placeholder { color: #2a2a44; }
-.input-field:focus         { border-color: #333355; }
-.char-counter {
-  position: absolute; right: 16px;
-  font-family: 'Courier New', monospace; font-size: 10px; color: #33334d; pointer-events: none;
-}
-.char-counter.warn { color: #ff8844; }
-
-/* ── Pièces jointes en attente ── */
-.pending-files { flex-shrink: 0; display: flex; flex-wrap: wrap; gap: 8px; padding: 0 20px 10px; }
-.pending-chip {
-  display: inline-flex; align-items: center; gap: 6px;
-  background: #141420; border: 1px solid #222234; border-radius: 12px;
-  padding: 4px 10px; font-size: 11px; color: #aaccbb; font-family: Arial, sans-serif;
-}
-.pending-chip button { background: none; border: none; color: #66f; cursor: pointer; }
-.upload-error { flex-shrink: 0; padding: 0 20px 10px; color: #ff7788; font-size: 11px; font-family: Arial, sans-serif; }
 </style>
diff --git a/frontend/src/views/ShopPage.vue b/frontend/src/views/ShopPage.vue
index 3583f35..61381d6 100644
--- a/frontend/src/views/ShopPage.vue
+++ b/frontend/src/views/ShopPage.vue
@@ -76,14 +76,16 @@
 import { ref, computed, onMounted, onUnmounted } from 'vue';
 import { useShop, type PurchaseOptions } from '@/composables/useShop';
 import { useWallet } from '@/composables/useWallet';
+import { parseMeta, type ProductMeta } from '@/composables/useMeta';
 import ProductCard from '@/components/shop/ProductCard.vue';
 import MesPersos from '@/components/shop/MesPersos.vue';
 
-const { products, loading, buying, lastError, lastSuccess, fetchProducts, fetchMe, owns, petCount, ownedPetChars, purchase } = useShop();
+const { products, buying, lastError, lastSuccess, fetchProducts, fetchMe, owns, petCount, ownedPetChars, purchase } = useShop();
 const { ip, freeMode, displayBalance, fetchWallet, topUp: walletTopUp } = useWallet();
 
+// Navigation forcée par catégorie : pas de « Tout voir », on entre directement
+// dans une rubrique organisée.
 const categories = [
-  { id: 'all', label: 'Tout voir' },
   { id: 'publicite', label: 'Publicité' },
   { id: 'abonnements', label: 'Abonnements' },
   { id: 'cosmetiques', label: 'Cosmétiques' },
@@ -91,20 +93,17 @@ const categories = [
   { id: 'promotions', label: 'Promotions' },
   { id: 'perso', label: '✨ Mes Persos' },
 ];
-const activeCat = ref('all');
+const activeCat = ref('publicite');
 
 const visibleProducts = computed(() => {
   const chars = ownedPetChars();
-  const base = activeCat.value === 'all'
-    ? products.value
-    : products.value.filter((p) => p.category === activeCat.value);
-  return base.filter((p) => {
-    if (p.kind !== 'pet') return true;
-    try {
-      const designs: any[] = JSON.parse((p as any).metaJson ?? '{}').designs ?? [];
+  return products.value
+    .filter((p) => p.category === activeCat.value)
+    .filter((p) => {
+      if (p.kind !== 'pet') return true;
+      const designs = parseMeta<ProductMeta>(p.metaJson).designs ?? [];
       return designs.some((d) => !chars.includes(d.char));
-    } catch { return true; }
-  });
+    });
 });
 
 async function onBuy(productId: string, options: PurchaseOptions): Promise<void> {