diff --git a/src/backend/backend.js b/src/backend/backend.js
index 6c69274..f11d2d7 100644
--- a/src/backend/backend.js
+++ b/src/backend/backend.js
@@ -1806,7 +1806,7 @@ router
     ctx.body = statsView(stats, filter);
   })
   .get("/modules", async (ctx) => {
-    const modules = ['blogs', 'polls', 'fediverse', 'invites', 'wallet', 'legacy', 'dev', 'cipher', 'bookmarks', 'calendars', 'chats', 'videos', 'docs', 'audios', 'tags', 'images', 'maps', 'trending', 'events', 'tasks', 'market', 'tribes', 'larp', 'votes', 'reports', 'opinions', 'pads', 'transfers', 'feed', 'pixelia', 'melody', 'agenda', 'favorites', 'ai', 'forum', 'games', 'housing', 'jobs', 'projects', 'industry', 'shops', 'banking', 'parliament', 'courts'];
+    const modules = ['blogs', 'polls', 'karvan', 'fediverse', 'invites', 'wallet', 'legacy', 'dev', 'cipher', 'bookmarks', 'calendars', 'chats', 'videos', 'docs', 'audios', 'tags', 'images', 'maps', 'trending', 'events', 'tasks', 'market', 'tribes', 'larp', 'votes', 'reports', 'opinions', 'pads', 'transfers', 'feed', 'pixelia', 'melody', 'agenda', 'favorites', 'ai', 'forum', 'games', 'housing', 'jobs', 'projects', 'industry', 'shops', 'banking', 'parliament', 'courts'];
     const cfg = getConfig().modules;
     ctx.body = modulesView(modules.reduce((acc, m) => { acc[`${m}Mod`] = cfg[`${m}Mod`]; return acc; }, {}));
   })
diff --git a/src/client/assets/styles/karvan.css b/src/client/assets/styles/karvan.css
new file mode 100644
index 0000000..7620c14
--- /dev/null
+++ b/src/client/assets/styles/karvan.css
@@ -0,0 +1,88 @@
+/* Estilos del modulo Karvan (salas efimeras y llamadas).
+ *
+ * Viven aparte del tema para que el modulo se vea igual en cualquier tema y
+ * tambien en escritorio, donde OasisMobile.css no se carga. Mismo patron que
+ * highlight.css, que tampoco pertenece a ningun tema concreto.
+ */
+
+/* --- Reply a mensaje en chats (server-side ?replyTo=, sin JS) --- */
+.chat-message-meta .chat-reply-btn { margin-left: auto; padding: 0 4px; color: #FFD700; text-decoration: none; font-size: 15px; opacity: .85; }
+.chat-message-self .chat-message-meta .chat-reply-btn { margin-left: 8px; }
+.chat-quote {
+  display: block; border-left: 3px solid #FFD700; padding: 3px 8px; margin: 0 0 5px;
+  background: rgba(255,215,0,.08); border-radius: 6px; font-size: 12px; line-height: 1.3;
+}
+.chat-quote-author, .chat-quote-author a { color: #FFD700; font-weight: 700; margin-right: 6px; }
+.chat-quote-text { color: #FFDD44; }
+.chat-replying-to {
+  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
+  border-left: 3px solid #FFD700; background: rgba(255,215,0,.10);
+  padding: 6px 10px; margin-bottom: 8px; border-radius: 8px; font-size: 12px;
+}
+.chat-replying-label { color: #FFD700; font-weight: 700; }
+.chat-reply-cancel { margin-left: auto; color: #FFD700; text-decoration: none; font-weight: 700; font-size: 14px; }
+/* ==========================================================================
+   FORK_IA_UX · Módulo KARVAN (mensajes temporales + WebRTC) — chat estilo burbujas
+   ========================================================================== */
+.karvan-intro h2 { color: #FFD700; margin: 0 0 6px; }
+.karvan-sub { color: #FFDD44; font-size: 13px; }
+.karvan-create input[type="text"] { width: 100%; box-sizing: border-box; padding: 10px 12px;
+  background: #161616; border: 1px solid #333; border-radius: 10px; color: #FFD700; }
+.karvan-ttl { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin: 10px 0; }
+.karvan-ttl-lbl { color: #FFDD44; font-size: 13px; }
+.karvan-ttl-opt { display: inline-flex; align-items: center; gap: 4px; color: #FFD700; font-size: 13px; }
+.karvan-create button, .karvan-compose button { padding: 10px 16px; border: 1px solid #FFD700;
+  border-radius: 10px; background: #FFD700; color: #121212; font-weight: 700; cursor: pointer; }
+.karvan-rooms { list-style: none; margin: 8px 0 0; padding: 0; }
+.karvan-rooms li { margin: 0 0 8px; }
+.karvan-room-item { display: flex; justify-content: space-between; align-items: center; gap: 10px;
+  padding: 12px 14px; background: #161616; border: 1px solid #333; border-radius: 12px;
+  color: #FFD700; text-decoration: none; min-height: 48px; box-sizing: border-box; }
+.karvan-room-item .kr-title { font-weight: 600; }
+.karvan-room-item .kr-meta { color: #FFDD44; font-size: 12px; white-space: nowrap; }
+.karvan-empty { color: #FFDD44; }
+/* sala */
+.karvan-room-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
+.karvan-back { color: #FFD700; text-decoration: none; font-weight: 600; }
+.karvan-room-title { flex: 1 1 auto; color: #FFD700; font-weight: 700; text-align: center;
+  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+.karvan-expire { color: #FFDD44; font-size: 12px; white-space: nowrap; }
+.karvan-live { display: inline-flex; align-items: center; gap: 6px; color: #FFDD44; font-size: 12px; margin-bottom: 8px; }
+.karvan-live .kl-dot { width: 8px; height: 8px; border-radius: 50%; background: #777; }
+.karvan-live.on .kl-dot { background: #35d07f; }
+.karvan-live.on .kl-txt { color: #35d07f; }
+.karvan-msgs { list-style: none; margin: 0; padding: 6px 0; display: flex; flex-direction: column; gap: 6px;
+  max-height: 58vh; overflow-y: auto; }
+.karvan-msg { max-width: 82%; align-self: flex-start; background: #1c1c1c; border: 1px solid #333;
+  border-radius: 14px; padding: 7px 11px; box-sizing: border-box; }
+.karvan-msg-self { align-self: flex-end; background: #2a2412; border-color: #FFD700; }
+.karvan-msg-live { border-left: 2px solid #35d07f; }
+.karvan-msg .km-from { display: block; font-size: 10px; color: #FFDD44; margin-bottom: 2px; }
+.karvan-msg .km-text { color: #FFD700; word-break: break-word; }
+.karvan-compose { display: flex; gap: 8px; margin-top: 10px; }
+.karvan-compose input[type="text"] { flex: 1 1 auto; min-width: 0; padding: 10px 12px;
+  background: #161616; border: 1px solid #333; border-radius: 10px; color: #FFD700; }
+/* Fase 2: invitar a un contacto por feed id */
+.karvan-invite { display: flex; gap: 8px; margin-top: 8px; }
+.karvan-invite input[type="text"] { flex: 1 1 auto; min-width: 0; padding: 9px 12px;
+  background: #161616; border: 1px solid #333; border-radius: 10px; color: #FFD700; font-family: monospace; font-size: 12px; }
+.karvan-invite button { flex: 0 0 auto; padding: 9px 14px; border: 1px solid #FFD700; background: #161616; color: #FFD700; border-radius: 10px; cursor: pointer; }
+.karvan-invite-msg { font-size: 12px; margin: 6px 0 0; }
+.karvan-invite-msg.ok { color: #35d07f; }
+.karvan-invite-msg.err { color: #ff8a8a; }
+/* --- Karvan videollamada (Fase 1): media P2P sobre el mismo WebRTC del chat --- */
+.karvan-call, .karvan-videos, .karvan-call-bar, .kc-status {
+  background-color: transparent; box-shadow: none; border-radius: 0; padding: 0; margin: 0; /* anular div{#222}
+.karvan-call { margin: 10px 0; }
+.karvan-videos { display: none; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 6px; margin-bottom: 8px; }
+.karvan-call.active .karvan-videos { display: grid; }
+.kc-video { width: 100%; aspect-ratio: 4 / 3; background: #000; border-radius: 10px; border: 1px solid #333; object-fit: cover; display: block; }
+.kc-local { transform: scaleX(-1); }
+.kc-remote { display: contents; }
+.karvan-call-bar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
+.kc-btn { min-height: 44px; min-width: 44px; padding: 8px 12px; border-radius: 999px;
+  border: 1px solid #333; background: #161616; color: #FFD700; line-height: 1; cursor: pointer; }
+.kc-btn.on { background: #FFD700; color: #121212; border-color: #FFD700; }
+.kc-btn-start { font-weight: 600; }
+.kc-btn-stop { background: #241414; border-color: #5a2a2a; }
+.kc-status { font-size: 12px; color: #FFDD44; margin-top: 6px; min-height: 14px; }
diff --git a/src/client/assets/translations/fork/i18n_fork.js b/src/client/assets/translations/fork/i18n_fork.js
index cda9b98..ad4a727 100644
--- a/src/client/assets/translations/fork/i18n_fork.js
+++ b/src/client/assets/translations/fork/i18n_fork.js
@@ -11,6 +11,8 @@
 
 module.exports = {
   en: {
+    modulesKarvanLabel: "Karvan",
+    modulesKarvanDescription: "Ephemeral rooms: messages live only in memory and self-destruct.",
     chatReply: "Reply",
     bbAdd: "Add",
     bbDone: "Done",
@@ -55,6 +57,8 @@ module.exports = {
     spreadMore: "more"
   },
   es: {
+    modulesKarvanLabel: "Karvan",
+    modulesKarvanDescription: "Salas efimeras: los mensajes viven solo en memoria y se autodestruyen.",
     chatReply: "Responder",
     bbAdd: "Añadir",
     bbDone: "Hecho",
@@ -104,6 +108,8 @@ module.exports = {
     totalspreads: "Replicas totales"
   },
   fr: {
+    modulesKarvanLabel: "Karvan",
+    modulesKarvanDescription: "Ephemeral rooms: messages live only in memory and self-destruct.",
     chatReply: "Reply",
     bbAdd: "Add",
     bbDone: "Done",
@@ -148,6 +154,8 @@ module.exports = {
     spreadMore: "plus"
   },
   eu: {
+    modulesKarvanLabel: "Karvan",
+    modulesKarvanDescription: "Ephemeral rooms: messages live only in memory and self-destruct.",
     chatReply: "Reply",
     bbAdd: "Add",
     bbDone: "Done",
@@ -192,6 +200,8 @@ module.exports = {
     spreadMore: "gehiago"
   },
   de: {
+    modulesKarvanLabel: "Karvan",
+    modulesKarvanDescription: "Ephemeral rooms: messages live only in memory and self-destruct.",
     chatReply: "Reply",
     bbAdd: "Add",
     bbDone: "Done",
@@ -236,6 +246,8 @@ module.exports = {
     spreadMore: "mehr"
   },
   it: {
+    modulesKarvanLabel: "Karvan",
+    modulesKarvanDescription: "Ephemeral rooms: messages live only in memory and self-destruct.",
     chatReply: "Reply",
     bbAdd: "Add",
     bbDone: "Done",
@@ -280,6 +292,8 @@ module.exports = {
     spreadMore: "altro"
   },
   pt: {
+    modulesKarvanLabel: "Karvan",
+    modulesKarvanDescription: "Ephemeral rooms: messages live only in memory and self-destruct.",
     chatReply: "Reply",
     bbAdd: "Add",
     bbDone: "Done",
@@ -324,6 +338,8 @@ module.exports = {
     spreadMore: "mais"
   },
   zh: {
+    modulesKarvanLabel: "Karvan",
+    modulesKarvanDescription: "Ephemeral rooms: messages live only in memory and self-destruct.",
     chatReply: "Reply",
     bbAdd: "Add",
     bbDone: "Done",
@@ -368,6 +384,8 @@ module.exports = {
     spreadMore: "更多"
   },
   ar: {
+    modulesKarvanLabel: "Karvan",
+    modulesKarvanDescription: "Ephemeral rooms: messages live only in memory and self-destruct.",
     chatReply: "Reply",
     bbAdd: "Add",
     bbDone: "Done",
@@ -412,6 +430,8 @@ module.exports = {
     spreadMore: "المزيد"
   },
   hi: {
+    modulesKarvanLabel: "Karvan",
+    modulesKarvanDescription: "Ephemeral rooms: messages live only in memory and self-destruct.",
     chatReply: "Reply",
     bbAdd: "Add",
     bbDone: "Done",
@@ -456,6 +476,8 @@ module.exports = {
     spreadMore: "और"
   },
   ru: {
+    modulesKarvanLabel: "Karvan",
+    modulesKarvanDescription: "Ephemeral rooms: messages live only in memory and self-destruct.",
     chatReply: "Reply",
     bbAdd: "Add",
     bbDone: "Done",
diff --git a/src/views/main_views.js b/src/views/main_views.js
index f9058be..215a63d 100644
--- a/src/views/main_views.js
+++ b/src/views/main_views.js
@@ -537,6 +537,18 @@ const navGroup = ({ id, emoji, title, defaultOpen = false }, ...items) => {
 
 
 
+const renderKarvanLink = () => {
+  const karvanMod = getConfig().modules.karvanMod === "on";
+  return karvanMod
+    ? navLink({
+        href: "/karvan",
+        emoji: "⧗",
+        text: i18n.karvanTitle,
+        class: "karvan-link enabled"
+      })
+    : "";
+};
+
 const renderPollsLink = () => {
   const pollsMod = getConfig().modules.pollsMod === "on";
   return pollsMod
@@ -1202,6 +1214,9 @@ const template = (titlePrefix, ...elements) => {
     head(
       title(titlePrefix, " | Oasis"),
       link({ rel: "stylesheet", href: `/assets/styles/style.css?v=${assetVersion()}` }),
+      // el modulo Karvan trae su propia hoja: asi se ve igual en cualquier tema
+      // y tambien en escritorio, donde no se carga OasisMobile.css
+      link({ rel: "stylesheet", href: `/assets/styles/karvan.css?v=${assetVersion()}` }),
       // movil: el tema va DESPUES de mobile.css para ganar por cascada sin !important;
       // escritorio: orden original de epsylon
       ...(process.env.OASIS_MOBILE === '1'
@@ -1507,7 +1522,8 @@ const template = (titlePrefix, ...elements) => {
                 renderPadsLink(),
                 renderForumLink(),
                 renderMapsLink(),
-                renderChatsLink()
+                renderChatsLink(),
+                renderKarvanLink()
               ),
               navGroup(
                 {
@@ -1563,6 +1579,9 @@ exports.ainavHomeView = ({ recentTags = [] } = {}) => {
     head(
       title(placeholder, " | Oasis"),
       link({ rel: "stylesheet", href: `/assets/styles/style.css?v=${assetVersion()}` }),
+      // el modulo Karvan trae su propia hoja: asi se ve igual en cualquier tema
+      // y tambien en escritorio, donde no se carga OasisMobile.css
+      link({ rel: "stylesheet", href: `/assets/styles/karvan.css?v=${assetVersion()}` }),
       // movil: el tema va DESPUES de mobile.css para ganar por cascada sin !important;
       // escritorio: orden original de epsylon
       ...(process.env.OASIS_MOBILE === '1'
diff --git a/src/views/modules_view.js b/src/views/modules_view.js
index 606490d..857bc91 100644
--- a/src/views/modules_view.js
+++ b/src/views/modules_view.js
@@ -41,6 +41,7 @@ const modulesView = () => {
     { name: 'parliament', label: i18n.modulesParliamentLabel, description: i18n.modulesParliamentDescription },
     { name: 'pixelia', label: i18n.modulesPixeliaLabel, description: i18n.modulesPixeliaDescription },
     { name: 'polls', label: i18n.modulesPollsLabel, description: i18n.modulesPollsDescription },
+    { name: 'karvan', label: i18n.modulesKarvanLabel, description: i18n.modulesKarvanDescription },
     { name: 'projects', label: i18n.modulesProjectsLabel, description: i18n.modulesProjectsDescription },
     { name: 'reports', label: i18n.modulesReportsLabel, description: i18n.modulesReportsDescription },
     { name: 'shops', label: i18n.modulesShopsLabel, description: i18n.modulesShopsDescription },