diff --git a/app/components/entrelineas/EntrelineaDetail.vue b/app/components/entrelineas/EntrelineaDetail.vue
index f9bf7e8..2d7bf70 100644
--- a/app/components/entrelineas/EntrelineaDetail.vue
+++ b/app/components/entrelineas/EntrelineaDetail.vue
@@ -1,71 +1,69 @@
 <script setup lang="ts">
-import { computed, watch } from 'vue'
+import { computed, ref, watch } from 'vue'
 import { useFavoritesStore } from '~/stores/favorites'
 import { useHistoryStore } from '~/stores/history'
 import type { SearchHit } from '~/types'
 
+interface Study {
+  id?: number
+  title?: string
+  date?: string
+  place?: string
+  link?: string
+}
+
 interface EntrelineaDoc {
   id?: string
   image?: string
   link?: string
   locale?: string
+  origin?: string
   page?: number | string
   text?: string
+  studies?: Study[]
   [key: string]: unknown
 }
 
 const props = defineProps<{
   document: EntrelineaDoc
-  /** Identificador de la colección dentro del store de favoritos.
-   *  Si no se pasa, no se renderiza el botón de favorito. */
   collection?: string
-  /** Versión del campo `text` con las coincidencias ya envueltas en
-   *  <mark class="search-match"> por Typesense. Si viene, se usa para
-   *  mostrar el cuerpo con resaltado; si no, cae al `document.text`. */
   highlightedText?: string | null
 }>()
 
 const emits = defineEmits<{ close: [] }>()
 
-/** URL de ImageKit con preset `detail` (1800px, q90). La construcción
- *  centralizada vive en `~/utils/entrelineaImage` para no duplicarla. */
-const imageUrl = computed<string | null>(() => {
-  return getEntrelineaImageUrl(props.document?.image, 'detail')
-})
+const showStudies = ref(false)
 
-const title = computed(() => {
-  return (props.document?.id as string) || 'Entrelínea'
-})
+// Volver al detalle cuando cambia el documento
+watch(() => props.document?.id, () => { showStudies.value = false })
 
-const bodyHtml = computed<string>(() => {
-  return props.highlightedText || props.document?.text || ''
-})
+const imageUrl = computed<string | null>(() =>
+  getEntrelineaImageUrl(props.document?.image, 'detail')
+)
+
+const origin = computed(() => (props.document?.origin as string) || '')
+
+const title = computed(() =>
+  origin.value || (props.document?.id as string) || 'Entrelínea'
+)
+
+const bodyHtml = computed<string>(() =>
+  props.highlightedText || props.document?.text || ''
+)
 
 /* -------------------------------------------------------------------------- */
-/*  Favoritos                                                                  */
+/*  Favoritos / Historial                                                      */
 /* -------------------------------------------------------------------------- */
 
 const favorites = useFavoritesStore()
 const history = useHistoryStore()
 const toast = useToast()
 
-/** Adapta el documento de Typesense al shape SearchHit que pide el store
- *  de favoritos/historial (que se reusa entre todos los buscadores). */
 function toSearchHit(doc: EntrelineaDoc): SearchHit {
   const id = doc.id || ''
-  return {
-    _id: id,
-    id,
-    title: id || 'Entrelínea',
-    body: doc.text,
-    ...doc
-  }
+  return { _id: id, id, title: id || 'Entrelínea', body: doc.text, ...doc }
 }
 
-// Registrar la visita en el historial cada vez que cambia el documento mostrado.
-// El store deduplica por (collection, id): si el usuario reabre la misma
-// entrelínea, el item salta arriba y se actualiza visitedAt. No registramos
-// si no nos pasaron `collection` o si el documento aún no tiene id.
 watch(
   () => [props.collection, props.document?.id] as const,
   ([collection, id]) => {
@@ -96,10 +94,28 @@ function onToggleFavorite() {
 
 <template>
   <UDashboardPanel id="entrelinea-detail">
-    <UDashboardNavbar :title="title" :toggle="false">
+    <UDashboardNavbar
+      :toggle="false"
+      :ui="{
+        root: 'h-auto min-h-(--ui-header-height) py-2 items-start sm:items-center',
+        left: 'flex-1 min-w-0 py-1',
+        title: 'flex items-center gap-1.5 font-semibold text-highlighted min-w-0 whitespace-normal'
+      }"
+    >
       <template #leading>
+        <!-- En sub-pantalla de estudios: volver al detalle -->
         <UButton
-          icon="i-lucide-x"
+          v-if="showStudies"
+          icon="i-lucide-arrow-left"
+          color="neutral"
+          variant="ghost"
+          class="-ms-1.5"
+          @click="showStudies = false"
+        />
+        <!-- En detalle: cerrar el panel -->
+        <UButton
+          v-else
+          icon="i-lucide-arrow-left"
           color="neutral"
           variant="ghost"
           class="-ms-1.5"
@@ -107,96 +123,192 @@ function onToggleFavorite() {
         />
       </template>
 
+      <template #title>
+        <span
+          v-if="showStudies"
+          class="font-semibold text-sm block"
+        >
+          Estudios relacionados
+          <span class="text-muted font-normal">({{ document.studies?.length }})</span>
+        </span>
+        <span
+          v-else
+          class="font-semibold text-sm min-w-0 max-w-full block whitespace-normal leading-snug pr-1 [overflow-wrap:anywhere]"
+          :title="title"
+        >
+          {{ title }}
+        </span>
+      </template>
+
       <template #right>
-        <UButton
-          v-if="document.link"
-          :to="document.link"
-          target="_blank"
-          icon="i-lucide-external-link"
-          label="Ver en sitio"
-          color="primary"
-          variant="solid"
-          size="sm"
-        />
+        <template v-if="!showStudies">
+          <UTooltip
+            v-if="document.studies?.length"
+            :text="`Estudios relacionados (${document.studies.length})`"
+          >
+            <UChip
+              :text="document.studies.length"
+              color="primary"
+              size="sm"
+              :show="!!document.studies?.length"
+            >
+              <UButton
+                icon="i-lucide-book-open"
+                color="neutral"
+                variant="ghost"
+                aria-label="Estudios relacionados"
+                @click="showStudies = true"
+              />
+            </UChip>
+          </UTooltip>
+          <UTooltip v-if="collection" :text="isFav ? 'Quitar de mi lista' : 'Guardar en mi lista'">
+            <UButton
+              :icon="isFav ? 'i-lucide-bookmark-check' : 'i-lucide-bookmark-plus'"
+              :color="isFav ? 'primary' : 'neutral'"
+              variant="ghost"
+              :aria-label="isFav ? 'Quitar de mi lista' : 'Guardar en mi lista'"
+              @click="onToggleFavorite"
+            />
+          </UTooltip>
+        </template>
       </template>
     </UDashboardNavbar>
 
-    <div class="flex flex-col sm:flex-row justify-between gap-2 p-4 sm:px-6 border-b border-default">
-      <div class="min-w-0 flex items-center gap-2 text-xs text-muted">
+    <div
+      v-if="!showStudies"
+      class="flex items-start justify-between gap-3 px-4 sm:px-6 py-2.5 border-b border-default bg-elevated/40 min-w-0 w-full"
+    >
+      <div class="flex flex-wrap items-center gap-2 min-w-0 flex-1">
         <UBadge
           v-if="document.locale"
           :label="String(document.locale).toUpperCase()"
           color="neutral"
           variant="subtle"
           size="xs"
+          class="shrink-0"
         />
-        <span v-if="document.page != null">Página {{ document.page }}</span>
+        <span
+          v-if="origin && origin !== document.id"
+          class="inline-flex items-start rounded-md bg-primary/10 text-primary text-xs font-medium px-2 py-0.5 min-w-0 max-w-full whitespace-normal leading-snug [overflow-wrap:anywhere]"
+          :title="origin"
+        >
+          {{ origin }}
+        </span>
+        <span v-if="document.page != null" class="text-xs text-muted flex items-center gap-1 shrink-0">
+          <UIcon name="i-lucide-file-text" class="size-3" />
+          Pág. {{ document.page }}
+        </span>
+        <span
+          v-if="document.id && document.id !== origin"
+          class="text-xs text-dimmed font-mono truncate max-w-[160px] shrink-0"
+          :title="String(document.id)"
+        >
+          {{ document.id }}
+        </span>
       </div>
+      <UButton
+        v-if="document.link"
+        :to="document.link"
+        target="_blank"
+        icon="i-lucide-external-link"
+        label="Ver en sitio"
+        color="primary"
+        variant="soft"
+        size="xs"
+        class="shrink-0"
+      />
     </div>
 
-    <div class="flex-1 overflow-y-auto relative">
-      <!--
-        Padding extra a la derecha (pe-16/20) y al fondo (pb-24) para que el
-        FAB sticky de favorito NUNCA se superponga al contenido: el contenedor
-        reserva una "zona muerta" en la esquina inferior derecha donde el
-        botón puede flotar sin tapar texto ni la imagen.
-      -->
-      <div class="p-4 sm:p-6 pe-16 sm:pe-20 pb-24 flex flex-col gap-6">
-        <!-- Imagen desde ImageKit -->
+    <!-- ------------------------------------------------------------------ -->
+    <!--  VISTA PRINCIPAL: imagen + texto + accesos                          -->
+    <!-- ------------------------------------------------------------------ -->
+    <div v-if="!showStudies" class="flex-1 overflow-y-auto">
+      <div class="p-4 sm:p-6 pb-10 flex flex-col gap-6">
+
+        <!-- Imagen -->
         <div
           v-if="imageUrl"
-          class="rounded-lg overflow-hidden border border-default bg-elevated flex items-center justify-center"
+          class="rounded-xl overflow-hidden border border-default shadow-sm bg-elevated flex items-center justify-center"
         >
-          <img
-            :src="imageUrl"
-            :alt="title"
-            loading="lazy"
-            class="max-w-full h-auto"
-          >
+          <img :src="imageUrl" :alt="title" loading="lazy" class="max-w-full h-auto">
         </div>
         <div
           v-else
-          class="rounded-lg border border-dashed border-default p-8 text-center text-xs text-dimmed"
+          class="rounded-xl border border-dashed border-default p-8 text-center text-xs text-dimmed"
         >
           <UIcon name="i-lucide-image-off" class="size-6 mb-1 mx-auto" />
           <p>Sin imagen disponible</p>
         </div>
 
-        <!-- Entrelínea (text) — usa la versión resaltada si Typesense la
-             devolvió, si no el HTML crudo del documento. -->
-        <article
-          v-if="bodyHtml"
-          class="prose prose-sm max-w-none dark:prose-invert"
-          v-html="bodyHtml"
-        />
+        <!-- Texto -->
+        <div v-if="bodyHtml" class="rounded-xl border border-default bg-white dark:bg-neutral-900 shadow-sm p-4 sm:p-6">
+          <article
+            class="prose prose-sm max-w-none dark:prose-invert leading-relaxed"
+            v-html="bodyHtml"
+          />
+        </div>
         <p v-else class="text-sm text-muted">
           No hay entrelínea para esta coincidencia.
         </p>
-      </div>
 
-      <!--
-        FAB de favorito — mismo patrón que en InboxActivity: contenedor
-        `sticky bottom-0 h-0` con `pointer-events-none` para que ocupe cero
-        altura en el flujo y el botón quede anclado al borde inferior
-        visible mientras el usuario hace scroll. El padding `pe-16/pb-24`
-        del contenedor de contenido garantiza que NUNCA tape texto ni imagen.
-      -->
-      <div
-        v-if="collection"
-        class="sticky bottom-0 inset-x-0 h-0 z-20 pointer-events-none"
-      >
-        <UTooltip :text="isFav ? 'Quitar de mi lista' : 'Guardar en mi lista'">
-          <UButton
-            :icon="isFav ? 'i-lucide-bookmark-check' : 'i-lucide-bookmark-plus'"
-            :color="isFav ? 'primary' : 'neutral'"
-            variant="solid"
-            size="xl"
-            :aria-label="isFav ? 'Quitar de mi lista' : 'Guardar en mi lista'"
-            class="absolute bottom-4 end-4 sm:bottom-6 sm:end-6 rounded-full shadow-lg shadow-black/15 dark:shadow-black/40 ring-1 ring-default pointer-events-auto transition-transform hover:scale-105 active:scale-95"
-            @click="onToggleFavorite"
-          />
-        </UTooltip>
+        <!-- Link al sitio -->
+        <a
+          v-if="document.link"
+          :href="document.link"
+          target="_blank"
+          rel="noopener noreferrer"
+          class="flex items-center gap-3 rounded-xl border border-primary/30 bg-primary/5 hover:bg-primary/10 transition-colors px-4 py-3 group"
+        >
+          <UIcon name="i-lucide-external-link" class="size-5 text-primary shrink-0" />
+          <div class="min-w-0 flex-1">
+            <p class="text-sm font-medium text-primary">Ver en el sitio</p>
+            <p class="text-xs text-muted truncate">{{ document.link }}</p>
+          </div>
+          <UIcon name="i-lucide-chevron-right" class="size-4 text-primary/60 shrink-0 group-hover:translate-x-0.5 transition-transform" />
+        </a>
       </div>
     </div>
+
+    <!-- ------------------------------------------------------------------ -->
+    <!--  SUB-PANTALLA: lista de estudios relacionados                       -->
+    <!-- ------------------------------------------------------------------ -->
+    <div v-else class="flex-1 overflow-y-auto divide-y divide-default">
+      <a
+        v-for="study in document.studies"
+        :key="study.id"
+        :href="study.link"
+        target="_blank"
+        rel="noopener noreferrer"
+        :title="study.title"
+        class="flex items-center gap-3 px-4 sm:px-6 py-3.5 hover:bg-primary/5 transition-colors group"
+      >
+        <div class="flex flex-col justify-center shrink-0 w-14 text-center">
+          <template v-if="study.date">
+            <span class="text-base font-bold text-highlighted tabular-nums leading-none">
+              {{ new Date(study.date + 'T00:00:00').getUTCDate() }}
+            </span>
+            <span class="text-[10px] uppercase tracking-wide text-muted leading-tight mt-0.5">
+              {{ new Date(study.date + 'T00:00:00').toLocaleDateString('es', { month: 'short', timeZone: 'UTC' }) }}
+              {{ new Date(study.date + 'T00:00:00').getUTCFullYear() }}
+            </span>
+          </template>
+          <UIcon v-else name="i-lucide-calendar-x" class="size-4 text-dimmed mx-auto" />
+        </div>
+
+        <div class="w-px self-stretch bg-default shrink-0" />
+
+        <div class="flex-1 min-w-0">
+          <p class="text-sm font-medium text-highlighted leading-snug group-hover:text-primary transition-colors line-clamp-2">
+            {{ study.title }}
+          </p>
+          <p v-if="study.place" class="text-xs text-muted truncate mt-0.5">
+            {{ study.place }}
+          </p>
+        </div>
+
+        <UIcon name="i-lucide-arrow-up-right" class="size-4 text-muted shrink-0 group-hover:text-primary transition-colors" />
+      </a>
+    </div>
+
   </UDashboardPanel>
 </template>
diff --git a/app/components/inbox/InboxActivity.vue b/app/components/inbox/InboxActivity.vue
index 5577315..0642732 100755
--- a/app/components/inbox/InboxActivity.vue
+++ b/app/components/inbox/InboxActivity.vue
@@ -369,10 +369,10 @@ function onInputKey(e: KeyboardEvent) {
 
 <template>
   <UDashboardPanel id="activity-detail">
-    <UDashboardNavbar :title="activity.title" :toggle="false">
+    <UDashboardNavbar :toggle="false">
       <template #leading>
         <UButton
-          icon="i-lucide-x"
+          icon="i-lucide-arrow-left"
           color="neutral"
           variant="ghost"
           class="-ms-1.5"
@@ -380,11 +380,14 @@ function onInputKey(e: KeyboardEvent) {
         />
       </template>
 
+      <template #title>
+        <span class="truncate font-semibold text-sm min-w-0 block" :title="activity.title">
+          {{ activity.title }}
+        </span>
+      </template>
+
       <template #right>
-        <!-- El botón de favorito ya no vive aquí: ahora es un FAB flotante
-             en la esquina inferior derecha del panel para que siga visible
-             mientras se lee. Ver más abajo en el scroll container. -->
-                <UTooltip :text="isFav ? 'Quitar de mi lista' : 'Guardar en mi lista'">
+        <UTooltip :text="isFav ? 'Quitar de mi lista' : 'Guardar en mi lista'">
           <UButton
             :icon="isFav ? 'i-lucide-bookmark-check' : 'i-lucide-bookmark-plus'"
             :color="isFav ? 'primary' : 'neutral'"
@@ -393,96 +396,110 @@ function onInputKey(e: KeyboardEvent) {
             @click="onToggleFavorite"
           />
         </UTooltip>
-
       </template>
     </UDashboardNavbar>
 
-    <div class="flex flex-col sm:flex-row justify-between gap-2 p-4 sm:px-6 border-b border-default shadow-lg z-10">
-      <div class="min-w-0 flex gap-1 sm:gap-4 sm:items-center flex-col sm:flex-row">
-        <p class=" text-sm text-highlighted flex items-center gap-1 mb-0.5">
-          <UIcon name="ph:calendar" class="size-5 text-green-600" />
-          {{ safeDate(activity) }}
-        </p>
-        <p class="text-sm truncate flex items-center gap-1">
-          <UIcon name="ph:map-pin" class="size-5 text-green-600" />
-          {{ formatLocation(activity) }}
-        </p>
+    <!-- Metadata + controles -->
+    <div class="flex flex-col gap-3 p-4 sm:px-6 border-b border-default shadow-sm z-10">
+      <!-- Fila 1: fecha, lugar y enlace externo -->
+      <div class="flex flex-wrap items-start justify-between gap-2">
+        <div class="flex flex-wrap items-center gap-x-4 gap-y-1 min-w-0">
+          <p v-if="safeDate(activity)" class="text-sm text-highlighted flex items-center gap-1.5 shrink-0">
+            <UIcon name="ph:calendar" class="size-4 text-green-600" />
+            {{ safeDate(activity) }}
+          </p>
+          <p v-if="formatLocation(activity)" class="text-sm flex items-center gap-1.5 text-muted min-w-0">
+            <UIcon name="ph:map-pin" class="size-4 text-green-600 shrink-0" />
+            <span class="truncate max-w-[220px]">{{ formatLocation(activity) }}</span>
+          </p>
+        </div>
+        <UButton
+          v-if="matchUrl"
+          :to="matchUrl"
+          target="_blank"
+          icon="i-lucide-external-link"
+          label="Ver en sitio"
+          color="primary"
+          variant="soft"
+          size="xs"
+          class="shrink-0"
+        />
       </div>
 
+      <!-- Fila 2: archivos adjuntos -->
+      <div v-if="fileLinks.length" class="flex flex-wrap gap-2">
+        <UButton
+          v-for="(f, idx) in fileLinks"
+          :key="idx"
+          :to="f.to"
+          :target="f.target"
+          :icon="f.icon!"
+          :label="f.label"
+          color="neutral"
+          variant="subtle"
+          size="xs"
+          external
+        />
+      </div>
+
+      <!-- Fila 3: búsqueda local en el documento -->
       <div
         v-if="activity?.body"
         class="flex items-center gap-2"
       >
-        <UFieldGroup>
-          <UInput
-            v-model="localQuery"
-            icon="i-lucide-search"
-            placeholder="Buscar frase exacta en este documento..."
-            class="w-full"
-            :ui="{ trailing: 'pe-1' }"
-            @keydown="onInputKey"
-          >
-            <template #trailing>
-              <UButton
-                v-if="localQuery"
-                icon="i-lucide-x"
-                variant="link"
-                aria-label="Limpiar"
-                @click="clearLocalQuery"
-              />
-            </template>
-          </UInput>
-
-          <UBadge v-if="localQuery" class="bg-gray-400 text-white">
-            <span
-              class="text-xs tabular-nums whitespace-nowrap min-w-[3.5rem] text-center text-white"
-              :class="totalMatches ? 'text-toned font-medium' : 'text-dimmed'"
-            >
-              <template v-if="localQuery">
-                {{ totalMatches ? `${currentIdx + 1} / ${totalMatches}` : '0 / 0' }}
-              </template>
-            </span>
-          </UBadge>
-
-          <UTooltip text="Anterior (Shift+Enter)">
-            <UButton
-              icon="i-lucide-chevron-up"
-              :disabled="!totalMatches"
-              aria-label="Coincidencia anterior"
-              class="bg-gray-400"
-              color="neutral"
-              @click="prevMatch"
-            />
-          </UTooltip>
-          <UTooltip text="Siguiente (Enter)">
-            <UButton
-              icon="i-lucide-chevron-down"
-              :disabled="!totalMatches"
-              aria-label="Coincidencia siguiente"
-              class="bg-gray-400"
-              color="neutral"
-              @click="nextMatch"
-            />
-          </UTooltip>
-        </UFieldGroup>
-      </div>
-
-      <!-- <ul v-if="fileLinks.length" class="flex flex-wrap gap-3 text-xs text-muted">
-        <li
-          v-for="(f, idx) in fileLinks"
-          :key="idx"
-          class="flex items-center"
+        <UInput
+          v-model="localQuery"
+          icon="i-lucide-search"
+          placeholder="Buscar en este documento..."
+          class="flex-1 min-w-0"
+          :ui="{ trailing: 'pe-1' }"
+          @keydown="onInputKey"
         >
-          <ULink
-            :to="f.to"
-            :target="f.target"
-            class="flex items-center gap-1 hover:text-primary"
+          <template #trailing>
+            <UButton
+              v-if="localQuery"
+              icon="i-lucide-x"
+              variant="link"
+              aria-label="Limpiar"
+              @click="clearLocalQuery"
+            />
+          </template>
+        </UInput>
+
+        <template v-if="localQuery">
+          <span
+            class="text-xs tabular-nums whitespace-nowrap shrink-0 px-2 py-1 rounded-md bg-elevated border border-default"
+            :class="totalMatches ? 'text-toned font-medium' : 'text-dimmed'"
           >
-            <UIcon :name="f.icon!" class="size-4" />
-            <span>{{ f.label }}</span>
-          </ULink>
-        </li>
-      </ul> -->
+            {{ totalMatches ? `${currentIdx + 1} / ${totalMatches}` : '0 / 0' }}
+          </span>
+
+          <div class="flex items-center gap-1 shrink-0">
+            <UTooltip text="Anterior (Shift+Enter)">
+              <UButton
+                icon="i-lucide-chevron-up"
+                :disabled="!totalMatches"
+                aria-label="Coincidencia anterior"
+                color="neutral"
+                variant="ghost"
+                size="sm"
+                @click="prevMatch"
+              />
+            </UTooltip>
+            <UTooltip text="Siguiente (Enter)">
+              <UButton
+                icon="i-lucide-chevron-down"
+                :disabled="!totalMatches"
+                aria-label="Coincidencia siguiente"
+                color="neutral"
+                variant="ghost"
+                size="sm"
+                @click="nextMatch"
+              />
+            </UTooltip>
+          </div>
+        </template>
+      </div>
     </div>
 
     <div ref="scrollContainer" class="flex-1 overflow-y-auto relative bg-gray-100">
diff --git a/app/composables/useDetailHistory.ts b/app/composables/useDetailHistory.ts
new file mode 100644
index 0000000..26a6632
--- /dev/null
+++ b/app/composables/useDetailHistory.ts
@@ -0,0 +1,56 @@
+import { watch, onMounted, onBeforeUnmount, toValue } from 'vue'
+import type { Ref, WritableComputedRef } from 'vue'
+
+/**
+ * Intercepts the mobile hardware back button when a detail panel is open,
+ * closing the panel instead of navigating away from the page.
+ *
+ * Strategy: when the panel opens on mobile, push a history entry with the
+ * same URL. When the user presses back, popstate fires and we close the
+ * panel. When the user closes via the X button, we programmatically pop
+ * the entry we pushed so the stack stays clean.
+ */
+export function useDetailHistory(
+  isOpen: WritableComputedRef<boolean> | Ref<boolean>,
+  isMobile: Ref<boolean>
+) {
+  let pushed = false
+  let fromPopState = false
+  let suppressNext = false
+
+  function handlePopState() {
+    if (suppressNext) {
+      suppressNext = false
+      return
+    }
+    if (pushed && toValue(isMobile)) {
+      fromPopState = true
+      pushed = false
+      isOpen.value = false
+    }
+  }
+
+  watch(isOpen, (open, wasOpen) => {
+    if (!toValue(isMobile)) return
+
+    if (open && !wasOpen) {
+      history.pushState({ detailPanel: true }, '')
+      pushed = true
+    } else if (!open && wasOpen) {
+      if (fromPopState) {
+        // Back button closed the panel — state already popped by the browser.
+        fromPopState = false
+      } else if (pushed) {
+        // X button (or any programmatic close) — pop the entry we pushed.
+        pushed = false
+        suppressNext = true
+        history.go(-1)
+      }
+    }
+  })
+
+  if (import.meta.client) {
+    onMounted(() => window.addEventListener('popstate', handlePopState))
+    onBeforeUnmount(() => window.removeEventListener('popstate', handlePopState))
+  }
+}
diff --git a/app/pages/actividades.vue b/app/pages/actividades.vue
index 580d1df..c265a01 100755
--- a/app/pages/actividades.vue
+++ b/app/pages/actividades.vue
@@ -109,6 +109,8 @@ watch(hits, () => {
 const breakpoints = useBreakpoints(breakpointsTailwind)
 const isMobile = breakpoints.smaller('lg')
 
+useDetailHistory(isActivityPanelOpen, isMobile)
+
 function retry() {
   runSearch(query.value, false)
 }
diff --git a/app/pages/conferencias.vue b/app/pages/conferencias.vue
index 19f84ff..ddb1352 100755
--- a/app/pages/conferencias.vue
+++ b/app/pages/conferencias.vue
@@ -101,6 +101,8 @@ watch(hits, () => {
 const breakpoints = useBreakpoints(breakpointsTailwind)
 const isMobile = breakpoints.smaller('lg')
 
+useDetailHistory(isPanelOpen, isMobile)
+
 function retry() {
   runSearch(query.value, false)
 }
diff --git a/app/pages/entrelineas.vue b/app/pages/entrelineas.vue
index a142f10..794407e 100644
--- a/app/pages/entrelineas.vue
+++ b/app/pages/entrelineas.vue
@@ -63,13 +63,23 @@ const loading = ref(false)
 const loadingMore = ref(false)
 const errorMsg = ref<string | null>(null)
 
+interface Study {
+  id?: number
+  title?: string
+  date?: string
+  place?: string
+  link?: string
+}
+
 interface EntrelineaDoc {
   id?: string
   image?: string
   link?: string
   locale?: string
+  origin?: string
   page?: number | string
   text?: string
+  studies?: Study[]
   [key: string]: unknown
 }
 
@@ -164,6 +174,7 @@ async function runSearch(q: string, append = false) {
 
     const res = (multi?.results?.[0] ?? {}) as TypesenseSearchResponse
     const newHits = res?.hits ?? []
+
     hits.value = append ? hits.value.concat(newHits) : newHits
     total.value = res?.found ?? hits.value.length
     currentPage.value = page
@@ -227,6 +238,8 @@ watch(hits, () => {
 const breakpoints = useBreakpoints(breakpointsTailwind)
 const isMobile = breakpoints.smaller('lg')
 
+useDetailHistory(isPanelOpen, isMobile)
+
 /* -------------------------------------------------------------------------- */
 /*  Favoritos                                                                  */
 /* -------------------------------------------------------------------------- */
@@ -320,7 +333,7 @@ function highlightedFor(hit: TypesenseHit, field: string): string | null {
           ·
           <code class="text-toned">{{ QUERY_BY }}</code>
           ·
-          <code class="text-toned">{{ FILTER_BY }}</code>
+          <code class="text-toned">{{ filterBy }}</code>
         </span>
       </p>
     </div>