diff --git a/api/get_conversation_detail.php b/api/get_conversation_detail.php
index 77420af..6d64a35 100644
--- a/api/get_conversation_detail.php
+++ b/api/get_conversation_detail.php
@@ -63,25 +63,54 @@ try {
     
     // Formatear mensajes
     $conversations = array_map(function($msg) {
-        return [
-            'id' => intval($msg['id']),
-            'message_id' => $msg['message_id'] ?? '',
-            'direction' => $msg['direction'],
-            'message_type' => $msg['message_type'],
-            'content' => $msg['content'] ?? '',
-            'media_url' => null,
-            'local_file' => $msg['local_file'] ?? null,
-            'local_thumb' => $msg['local_thumb'] ?? null,
-            'media_url_external' => (isset($msg['media_url']) && $msg['media_url']) ? (preg_match('#^https?://#i', $msg['media_url']) ? $msg['media_url'] : ("api/get_media.php?id=" . urlencode($msg['media_url']))) : null,
-            'filename' => $msg['filename'] ?? null,
-            'mime_type' => $msg['mime_type'] ?? null,
-            'status' => $msg['status'] ?? 'sent',
-            'created_at' => $msg['created_at'],
-            'time' => date('H:i', strtotime($msg['created_at'])),
-            'date' => date('d/m/Y', strtotime($msg['created_at']))
-        ];
-    }, $conversations);
-    
+            // Build external URL if available (media id -> api/get_media proxy)
+            $external = (isset($msg['media_url']) && $msg['media_url']) ? (preg_match('#^https?://#i', $msg['media_url']) ? $msg['media_url'] : ("api/get_media.php?id=" . urlencode($msg['media_url']))) : null;
+
+            // Fallback: if no external URL but content is JSON with link, extract it
+            $contentStr = $msg['content'] ?? '';
+            if (!$external && $contentStr) {
+                $j = json_decode($contentStr, true);
+                if (is_array($j)) {
+                    // Look for common shapes: image.link, image.url, document.link, audio.link
+                    $candidates = [];
+                    foreach (['image','document','audio','video'] as $k) {
+                        if (isset($j[$k]) && is_array($j[$k])) {
+                            if (!empty($j[$k]['link'])) $candidates[] = $j[$k]['link'];
+                            if (!empty($j[$k]['url'])) $candidates[] = $j[$k]['url'];
+                            if (!empty($j[$k]['id'])) $candidates[] = $j[$k]['id'];
+                        }
+                    }
+                    // also top-level 'link'
+                    if (!empty($j['link'])) $candidates[] = $j['link'];
+                    // first valid candidate wins
+                    foreach ($candidates as $cand) {
+                        if ($cand) {
+                            // if looks like id or url
+                            $external = preg_match('#^https?://#i', $cand) ? $cand : (strpos($cand, 'http') === false ? "api/get_media.php?id=" . urlencode($cand) : $cand);
+                            break;
+                        }
+                    }
+                }
+            }
+
+            return [
+                'id' => intval($msg['id']),
+                'message_id' => $msg['message_id'] ?? '',
+                'direction' => $msg['direction'],
+                'message_type' => $msg['message_type'],
+                'content' => $msg['content'] ?? '',
+                'media_url' => null,
+                'local_file' => $msg['local_file'] ?? null,
+                'local_thumb' => $msg['local_thumb'] ?? null,
+                'media_url_external' => $external,
+                'filename' => $msg['filename'] ?? null,
+                'mime_type' => $msg['mime_type'] ?? null,
+                'status' => $msg['status'] ?? 'sent',
+                'created_at' => $msg['created_at'],
+                'time' => date('H:i', strtotime($msg['created_at'])),
+                'date' => date('d/m/Y', strtotime($msg['created_at']))
+            ];
+        }, $conversations);
     // Marcar mensajes como leídos
     $db->query(
         "UPDATE conversations SET status = 'read' WHERE user_id = ? AND direction = 'incoming' AND status != 'read'",
diff --git a/api/get_user_messages.php b/api/get_user_messages.php
index 013adda..9b96216 100644
--- a/api/get_user_messages.php
+++ b/api/get_user_messages.php
@@ -81,6 +81,22 @@ try {
     
     // Formatear fechas y limpiar datos
     $conversations = array_map(function($msg) {
+        $external = (isset($msg['media_url']) && $msg['media_url']) ? (preg_match('#^https?://#i', $msg['media_url']) ? $msg['media_url'] : ("api/get_media.php?id=" . urlencode($msg['media_url']))) : null;
+        $contentStr = $msg['content'] ?? '';
+        if (!$external && $contentStr) {
+            $j = json_decode($contentStr, true);
+            if (is_array($j)) {
+                foreach (['image','document','audio','video'] as $k) {
+                    if (isset($j[$k]) && is_array($j[$k])) {
+                        if (!empty($j[$k]['link'])) { $external = $j[$k]['link']; break; }
+                        if (!empty($j[$k]['url'])) { $external = $j[$k]['url']; break; }
+                        if (!empty($j[$k]['id'])) { $external = "api/get_media.php?id=" . urlencode($j[$k]['id']); break; }
+                    }
+                }
+                if (!$external && !empty($j['link'])) $external = $j['link'];
+            }
+        }
+
         return [
             'id' => intval($msg['id']),
             'user_id' => intval($msg['user_id']),
@@ -89,7 +105,7 @@ try {
             'media_url' => null,
             'local_file' => $msg['local_file'] ?? null,
             'local_thumb' => $msg['local_thumb'] ?? null,
-            'media_url_external' => (isset($msg['media_url']) && $msg['media_url']) ? (preg_match('#^https?://#i', $msg['media_url']) ? $msg['media_url'] : ("api/get_media.php?id=" . urlencode($msg['media_url']))) : null,
+            'media_url_external' => $external,
             'filename' => $msg['filename'] ?? null,
             'mime_type' => $msg['mime_type'] ?? null,
             'user_phone' => $msg['user_phone'] ?? null,
diff --git a/conversations.php b/conversations.php
index 57bc31a..15c0f3f 100644
--- a/conversations.php
+++ b/conversations.php
@@ -1378,7 +1378,9 @@
                         }
                         return `
                             <div class="message-media">
-                                <img src="${thumb}" alt="Imagen" onclick="window.open('${full}', '_blank')" style="cursor:zoom-in">
+                                <a href="${full}" target="_blank" rel="noopener noreferrer">
+                                    <img src="${thumb}" alt="Imagen" style="cursor:zoom-in">
+                                </a>
                             </div>
                             ${caption ? `<div>${caption}</div>` : ''}
                         `;
@@ -1453,12 +1455,25 @@
                                 docUrl = `/api/version/media-url.php?url=${encodeURIComponent(msg.media_url_external)}&download=1`;
                             }
                         }
+                        if (!docUrl) {
+                            return `
+                                <div class="message-document disabled">
+                                    <i class="fas fa-file-pdf"></i>
+                                    <div class="document-info">
+                                        <div class="document-name">${caption || 'Documento'}</div>
+                                        <div class="document-size text-muted">No disponible para descargar</div>
+                                    </div>
+                                </div>
+                            `;
+                        }
                         return `
-                            <div class="message-document" onclick="window.open('${docUrl}', '_blank')" style="cursor:pointer">
+                            <div class="message-document">
                                 <i class="fas fa-file-pdf"></i>
                                 <div class="document-info">
                                     <div class="document-name">${caption || 'Documento'}</div>
-                                    <div class="document-size">Haz clic para descargar</div>
+                                    <div class="document-size">
+                                        <a href="${docUrl}" target="_blank" rel="noopener noreferrer" ${docUrl && docUrl.indexOf('download=1') !== -1 ? 'download' : ''}>Descargar</a>
+                                    </div>
                                 </div>
                                 <i class="fas fa-download"></i>
                             </div>
diff --git a/index.php b/index.php
index f8effc4..722eaab 100644
--- a/index.php
+++ b/index.php
@@ -645,7 +645,7 @@ try {
     <!-- Scripts -->
     <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
-    <script src="./assets/js/app_simple.js?v=3"></script>
+    <script src="./assets/js/app_simple.js?v=4"></script>
     <script>
         // Función de diagnóstico mejorada
         function runDiagnostic() {