feat(media): 3 sous-onglets RAG/LightRAG/Projets + titres cercles D3 + layer PDF FRACAS + onglet PFE

components/MediaTabBackend.vue

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+<template>
+  <div class="media-tab-backend" style="padding: 2rem; overflow-y: auto;">
+    <div style="max-width: 640px;">
+      <h2 style="font-weight: 700; font-size: 1.1rem; margin-bottom: 0.75rem; color: var(--nav-text);">LightRAG backend</h2>
+      <p style="font-size: 0.9rem; line-height: 1.6; color: var(--nav-text); margin-bottom: 0.5rem;">
+        Voici l'interface brute du <strong>LightRAG</strong> qui alimente la carte des pensées écologiques.
+        C'est la "cuisine" du RAG : ingestion de documents, extraction d'entités, relations, requêtes.
+      </p>
+    </div>
+
+    <!-- PLACEHOLDER — DNS en attente
+         TODO: Décommenter iframe + supprimer placeholder une fois lightrag.trans-former.fr propagé.
+         DNS A record à créer sur OVH : lightrag → 178.104.106.195 TTL 300
+    -->
+    <div style="margin-top: 1.5rem; padding: 2rem; border: 2px dashed var(--nav-bg-alt, #ddd); border-radius: 8px; text-align: center; color: var(--nav-text-muted);">
+      <p style="font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem;">⏳ Backend en cours d'exposition publique — bientôt accessible.</p>
+      <p style="font-size: 0.85rem;">L'interface LightRAG sera disponible ici dès la mise en place du sous-domaine <code>lightrag.trans-former.fr</code>.</p>
+    </div>
+
+    <!--
+    <iframe
+      src="https://lightrag.trans-former.fr/"
+      style="width: 100%; height: 70vh; border: 1px solid var(--nav-bg-alt, #ddd); border-radius: 8px; margin-top: 1.5rem;"
+      title="LightRAG backend AEP — lecture seule"
+      sandbox="allow-same-origin allow-scripts"
+      loading="lazy"
+    />
+    -->
+  </div>
+</template>

components/MediaTabProjets.vue

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+<template>
+  <div class="media-tab-projets" style="padding: 1.5rem; overflow-y: auto;">
+    <div style="max-width: 70ch; margin-bottom: 1.5rem;">
+      <h2 style="font-weight: 700; font-size: 1.1rem; margin-bottom: 0.5rem; color: var(--nav-text);">PFE engagés</h2>
+      <p style="font-size: 0.9rem; line-height: 1.6; color: var(--nav-text);">
+        Mutualiser le savoir. Voici les PFE engagés publiés en ligne dont nous avons connaissance.
+        Partage-nous le lien de ton travail si tu veux participer à cette initiative.
+      </p>
+    </div>
+
+    <div class="projets-grid">
+      <article v-for="p in projets" :key="p.id" class="projet-card">
+        <img v-if="p.thumb" :src="p.thumb" :alt="p.titre" class="projet-thumb" loading="lazy" />
+        <div v-else class="projet-thumb projet-thumb--placeholder">📐</div>
+
+        <h3 style="font-weight: 600; font-size: 0.95rem; margin: 0.5rem 0 0.25rem; color: var(--nav-text);">{{ p.titre }}</h3>
+        <p style="font-size: 0.8rem; color: var(--nav-text-muted); margin-bottom: 0.5rem;">
+          {{ (p.auteurs || []).filter((a: string) => a !== 'Inconnu').join(', ') }}
+          <template v-if="p.ecole && p.ecole !== 'Inconnu'"> · {{ p.ecole }}</template>
+          <template v-if="p.annee && p.annee !== 'Inconnu'"> · {{ p.annee }}</template>
+        </p>
+        <p style="font-size: 0.875rem; line-height: 1.5; color: var(--nav-text); flex: 1; margin-bottom: 0.75rem;">{{ p.description }}</p>
+
+        <a v-if="p.url" :href="p.url" target="_blank" rel="noopener" style="color: var(--nav-primary-solid, #3b6ea5); font-weight: 600; font-size: 0.875rem; text-decoration: none;">
+          Découvrir →
+        </a>
+        <span v-if="p.link_status === 'broken'" style="color: #e67e22; font-size: 0.8rem; display: block; margin-top: 0.25rem;">⚠ Lien d'origine cassé</span>
+      </article>
+    </div>
+
+    <p style="margin-top: 2rem; font-size: 0.875rem; color: var(--nav-text-muted);">
+      Tu as un PFE engagé à partager ? <a href="mailto:contact@trans-former.fr" style="color: var(--nav-primary-solid);">Écris-moi</a>.
+    </p>
+  </div>
+</template>
+
+<script setup lang="ts">
+const { data: pfeData } = await useFetch<{ projets: any[] }>('/data/pfe-engages.json')
+const projets = computed(() => pfeData.value?.projets ?? [])
+</script>
+
+<style scoped>
+.projets-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
+  gap: 1.25rem;
+}
+.projet-card {
+  border: 1px solid var(--nav-bg-alt, #eee);
+  border-radius: 10px;
+  padding: 1rem;
+  display: flex;
+  flex-direction: column;
+  background: var(--nav-surface);
+}
+.projet-thumb {
+  width: 100%;
+  height: 140px;
+  object-fit: cover;
+  border-radius: 6px;
+  background: var(--nav-bg-alt, #f5f5f5);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 2rem;
+}
+</style>

components/MediaTabVisuel.vue

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+<template>
+  <div class="media-visuel">
+
+    <!-- Conteneur split / plein ecran -->
+    <div class="layout-container">
+
+      <!-- Slot carte D3 -->
+      <div
+        class="carte-slot"
+        :class="[
+          layoutMode === 'split' ? 'carte-split' : '',
+          layoutMode === 'carte-full' ? 'carte-full' : '',
+          layoutMode === 'chatbot-full' ? 'carte-hidden' : '',
+        ]"
+        :style="layoutMode === 'split' ? { flexBasis: carteFlexBasis } : {}"
+        style="position: relative;"
+      >
+        <ClientOnly>
+          <CartePensees
+            ref="cartePenseesRef"
+            :data="penseesData"
+            :active="true"
+            @select-auteur="onSelectAuteur"
+            @select-ecole="onSelectEcole"
+          />
+          <template #fallback>
+            <div class="w-full h-full flex items-center justify-center" style="color: var(--nav-text-muted);">
+              Chargement de la carte...
+            </div>
+          </template>
+        </ClientOnly>
+
+        <!-- Overlay PDF FRACAS -->
+        <div
+          v-if="showFracasPdf"
+          class="fracas-overlay"
+          :style="{ opacity: fracasOpacity / 100 }"
+        >
+          <embed
+            src="/cartes/carte-fracas-bonpote-v2.pdf"
+            type="application/pdf"
+            style="width: 100%; height: 100%;"
+          />
+        </div>
+      </div>
+
+      <!-- Barre de toggle -->
+      <div class="layout-toggle-bar shrink-0">
+        <button
+          @click="setLayoutMode('carte-full')"
+          :class="{ active: layoutMode === 'carte-full' }"
+          class="toggle-btn"
+          title="Carte en plein ecran"
+        >
+          <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
+            <polyline points="15 3 21 3 21 9"/><polyline points="9 21 3 21 3 15"/>
+            <line x1="21" y1="3" x2="14" y2="10"/><line x1="3" y1="21" x2="10" y2="14"/>
+          </svg>
+          Carte plein ecran
+        </button>
+        <button
+          v-if="layoutMode !== 'split'"
+          @click="setLayoutMode('split')"
+          class="toggle-btn"
+          title="Vue partagee"
+        >
+          <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
+            <rect x="3" y="3" width="18" height="18" rx="2"/><line x1="3" y1="12" x2="21" y2="12"/>
+          </svg>
+          Vue partagee
+        </button>
+        <button
+          @click="setLayoutMode('chatbot-full')"
+          :class="{ active: layoutMode === 'chatbot-full' }"
+          class="toggle-btn"
+          title="Chatbot en plein ecran"
+        >
+          <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
+            <path d="M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z"/>
+          </svg>
+          Chatbot plein ecran
+        </button>
+        <button
+          @click="setLayoutMode('bonpote')"
+          :class="{ active: layoutMode === 'bonpote' }"
+          class="toggle-btn"
+          title="A propos de la carte FRACAS Bonpote V2"
+          style="margin-left: auto;"
+        >
+          <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
+            <circle cx="12" cy="12" r="10"/><polyline points="12 8 12 12 14 14"/>
+          </svg>
+          Bonpote V2
+        </button>
+
+        <!-- Toggle PDF FRACAS -->
+        <label class="layer-toggle" title="Superposer la carte FRACAS Bonpote V2 en PDF">
+          <input type="checkbox" v-model="showFracasPdf" />
+          📄 Carte FRACAS (PDF)
+        </label>
+        <input
+          v-if="showFracasPdf"
+          type="range"
+          min="0"
+          max="100"
+          v-model.number="fracasOpacity"
+          class="opacity-slider"
+          :title="`Opacité ${fracasOpacity}%`"
+        />
+      </div>
+
+      <!-- Poignee draggable (visible uniquement en mode split, pas sur mobile) -->
+      <div
+        v-if="layoutMode === 'split'"
+        class="split-handle"
+        @mousedown.prevent="onHandleMousedown"
+        title="Redimensionner"
+      >
+        <span class="split-handle-grip"></span>
+      </div>
+
+      <!-- Slot chatbot inline -->
+      <div
+        class="chatbot-slot"
+        :class="[
+          layoutMode === 'split' ? 'chatbot-split' : '',
+          layoutMode === 'chatbot-full' ? 'chatbot-full-mode' : '',
+          layoutMode === 'carte-full' ? 'chatbot-hidden' : '',
+        ]"
+        :style="layoutMode === 'split' ? { flexBasis: chatbotFlexBasis } : {}"
+      >
+        <ClientOnly>
+          <ChatbotPensees :auteurContext="chatbotAuteur" :inline="true" />
+        </ClientOnly>
+      </div>
+
+      <!-- Vue Bonpote V2 -->
+      <div
+        v-if="layoutMode === 'bonpote'"
+        class="flex-1 overflow-y-auto px-6 py-8"
+        style="max-width: 680px; margin: 0 auto;"
+      >
+        <div class="mb-6">
+          <p class="text-xs font-bold uppercase tracking-widest mb-2" style="color: var(--nav-text-muted);">Reference editoriale</p>
+          <h2 class="text-xl font-bold mb-3" style="color: var(--nav-text);">Carte FRACAS des pensees ecologiques</h2>
+          <p class="text-sm leading-relaxed mb-4" style="color: var(--nav-text);">
+            FRACAS (Familles, Racines et Arpentages des Courants et Alternatives Solidaires) est une carte des ecoles de pensee ecologique publiee par Bonpote en octobre 2024. Elle reference ~140 auteurs et autrices reparti-es en 10 ecoles de pensee, depuis l'ecosocialisme jusqu'a l'ethique environnementale.
+          </p>
+          <p class="text-sm leading-relaxed mb-6" style="color: var(--nav-text);">
+            Le RAG ATIS est construit sur cette reference : chaque auteur ingere dans la bibliotheque correspond a une entree de la carte FRACAS. Les ecoles de pensee, les positions et les couleurs de notre carte sont transposees 1:1 depuis Bonpote V2.
+          </p>
+          <div class="flex flex-col gap-3">
+            <a href="https://bonpote.com/la-carte-des-pensees-ecologiques/"
+              target="_blank" rel="noopener"
+              class="flex items-center gap-3 px-4 py-3 rounded-lg hover:opacity-80 transition-opacity"
+              style="background: var(--nav-primary, #3b6ea5); color: white; font-size: 0.875rem; font-weight: 600; text-decoration: none;">
+              <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6"/><polyline points="15 3 21 3 21 9"/><line x1="10" y1="14" x2="21" y2="3"/></svg>
+              Lire l'article Bonpote + carte interactive
+            </a>
+            <a href="https://bonpote.com/wp-content/uploads/2024/10/FRACAS_BONPOTE_CARTE_VERSO_V2-OCT2024.pdf"
+              target="_blank" rel="noopener"
+              class="flex items-center gap-3 px-4 py-3 rounded-lg hover:opacity-80 transition-opacity"
+              style="background: var(--nav-bg-alt); color: var(--nav-text); font-size: 0.875rem; font-weight: 500; text-decoration: none;">
+              <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
+              Telecharger le poster PDF (recto/verso)
+            </a>
+            <button
+              @click="setLayoutMode('split')"
+              class="flex items-center gap-3 px-4 py-3 rounded-lg hover:opacity-80 transition-opacity text-left"
+              style="background: var(--nav-bg-alt); color: var(--nav-text); font-size: 0.875rem; font-weight: 500; border: none; cursor: pointer;">
+              <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z"/></svg>
+              Interroger le RAG ATIS sur ces pensees
+            </button>
+          </div>
+        </div>
+        <div>
+          <p class="text-xs font-bold uppercase tracking-widest mb-3" style="color: var(--nav-text-muted);">Les 10 ecoles de pensee (FRACAS V2)</p>
+          <div class="flex flex-col gap-2">
+            <div v-for="ecole in (penseesData?.ecoles ?? [])" :key="ecole.id"
+              class="flex items-start gap-3 px-3 py-2 rounded-lg"
+              style="background: var(--nav-bg-alt);">
+              <span class="w-3 h-3 rounded-full shrink-0 mt-1" :style="`background:${ecole.color};`"></span>
+              <div>
+                <p class="text-sm font-semibold" style="color: var(--nav-text);">{{ ecole.label }}</p>
+                <p class="text-xs mt-0.5 leading-relaxed" style="color: var(--nav-text-muted);">{{ ecole.description }}</p>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+
+    </div>
+
+    <!-- Fiche auteur modal -->
+    <FicheAuteur
+      :open="ficheOpen"
+      :auteurId="ficheAuteurId"
+      :data="penseesData"
+      @close="ficheOpen = false"
+      @interroger-rag="onInterrogerRag"
+    />
+
+    <!-- Fiche ecole modal -->
+    <FicheEcole
+      :open="ficheEcoleOpen"
+      :ecoleId="ficheEcoleId"
+      :data="penseesData"
+      @close="ficheEcoleOpen = false"
+      @select-auteur="onSelectAuteurFromEcole"
+      @interroger-ecole="onInterrogerEcole"
+    />
+
+    <!-- Modal info RAG -->
+    <Teleport to="body">
+      <Transition name="backdrop">
+        <div v-if="ragInfoOpen" class="fixed inset-0 z-[2000]" style="background:rgba(26,34,56,0.55);" @click="ragInfoOpen = false" aria-hidden="true" />
+      </Transition>
+      <Transition name="modal">
+        <div v-if="ragInfoOpen" class="fixed z-[2001] left-1/2 flex flex-col"
+          style="top:50%;transform:translate(-50%,-50%);width:min(580px,94vw);max-height:85vh;background:var(--nav-bg);border-radius:14px;box-shadow:0 16px 64px rgba(26,34,56,0.28);overflow:hidden;"
+          role="dialog" aria-modal="true" aria-label="A propos du RAG FRACAS">
+          <div class="flex items-center justify-between px-5 py-4 shrink-0"
+            style="border-bottom:2px solid var(--nav-bg-alt);background:var(--nav-surface);">
+            <h2 class="font-bold text-base" style="color:var(--nav-text);">FRACAS - Bibliotheque des pensees ecologiques</h2>
+            <button @click="ragInfoOpen = false" class="ml-3 shrink-0 flex items-center justify-center w-8 h-8 rounded-full hover:opacity-70"
+              style="background:var(--nav-bg-alt);color:var(--nav-text-muted);" aria-label="Fermer">
+              <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round">
+                <line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/>
+              </svg>
+            </button>
+          </div>
+          <div class="flex-1 overflow-y-auto px-5 py-4" style="color:var(--nav-text);font-size:0.875rem;line-height:1.6;">
+            <p class="mb-3">Une bibliotheque parlante politisee - des pensees ecologiques de gauche, organisees pour aider a creer une pensee complexe et nuancee, critiquer le recit dominant et soutenir des alternatives concretes et des projets collectifs.</p>
+            <p class="mb-4" style="color:var(--nav-text-muted);font-size:0.8rem;">Projet open source, ouvert a toutes et a tous - <a href="https://bonpote.com/la-carte-des-pensees-ecologiques/" target="_blank" rel="noopener" style="text-decoration:underline;">article + carte FRACAS Bonpote V2</a>.</p>
+            <div class="flex flex-col gap-3">
+              <div class="p-3 rounded-lg" style="background:var(--nav-bg-alt);">
+                <p class="font-semibold mb-1" style="font-size:0.8rem;color:var(--nav-text-muted);text-transform:uppercase;letter-spacing:0.05em;">Ce qu'est un RAG</p>
+                <p>Les textes sont vectorises dans un espace de 662 dimensions - chaque livre devient un nuage de points semantiques. La proximite entre les points capture la proximite entre les idees, pas les mots.</p>
+              </div>
+              <div class="p-3 rounded-lg" style="background:var(--nav-bg-alt);">
+                <p class="font-semibold mb-1" style="font-size:0.8rem;color:var(--nav-text-muted);text-transform:uppercase;letter-spacing:0.05em;">Chunking intelligent</p>
+                <p>Lors de l'ingestion, nous selectionnons les entites cles (concepts, auteurs, relations entre idees) plutot que de decouper mecaniquement les textes.</p>
+              </div>
+              <div class="p-3 rounded-lg" style="background:var(--nav-bg-alt);">
+                <p class="font-semibold mb-2" style="font-size:0.8rem;color:var(--nav-text-muted);text-transform:uppercase;letter-spacing:0.05em;">Trois couches d'analyse</p>
+                <div class="flex flex-col gap-1.5">
+                  <div class="flex gap-2"><span class="font-semibold" style="min-width:70px;">Fond</span><span>Les idees, les theses, les arguments - ce qu'on interroge directement.</span></div>
+                  <div class="flex gap-2"><span class="font-semibold" style="min-width:70px;">Forme</span><span>Les modeles narratifs, la rhetorique, la construction argumentative.</span></div>
+                  <div class="flex gap-2"><span class="font-semibold" style="min-width:70px;">Structure</span><span>L'architecture des livres - comment les auteurs construisent leur pensee.</span></div>
+                </div>
+              </div>
+            </div>
+          </div>
+        </div>
+      </Transition>
+    </Teleport>
+
+  </div>
+</template>
+
+<script setup lang="ts">
+interface EcoleData { id: string; label: string; description: string; color: string; x_hint: number; y_hint: number }
+interface LivreRag { slug: string; titre: string; annee: number; couches: string[] }
+interface AuteurData { id: string; nom: string; dates: string; ecoles: string[]; ecole_principale: string; livres_rag: LivreRag[]; theses_cles: string[]; bio_courte: string }
+interface PenseesData { meta: any; ecoles: EcoleData[]; auteurs: AuteurData[] }
+
+type LayoutMode = 'split' | 'carte-full' | 'chatbot-full' | 'bonpote'
+
+const STORAGE_KEY = 'media-layout-mode'
+const SPLIT_RATIO_KEY = 'media-split-ratio'
+const DEFAULT_SPLIT_RATIO = 0.66
+
+const ficheOpen = ref(false)
+const ficheAuteurId = ref<string | null>(null)
+const ficheEcoleOpen = ref(false)
+const ficheEcoleId = ref<string | null>(null)
+const ragInfoOpen = ref(false)
+const chatbotAuteur = ref<string | null>(null)
+const layoutMode = ref<LayoutMode>('split')
+const cartePenseesRef = ref<{ triggerResize: () => void } | null>(null)
+
+// Toggle PDF FRACAS
+const showFracasPdf = ref(false)
+const fracasOpacity = ref(60)
+
+// Props injectées depuis le parent (penseesData)
+const props = defineProps<{ penseesData: PenseesData | null }>()
+
+// Ratio de la carte vs chatbot en mode split (0.2 a 0.8)
+const splitRatio = ref(DEFAULT_SPLIT_RATIO)
+const carteFlexBasis = computed(() => `${splitRatio.value * 100}%`)
+const chatbotFlexBasis = computed(() => `${(1 - splitRatio.value) * 100}%`)
+
+// Logique poignee draggable
+let dragStartY = 0
+let dragStartRatio = DEFAULT_SPLIT_RATIO
+let containerHeight = 0
+
+function onHandleMousedown(e: MouseEvent) {
+  dragStartY = e.clientY
+  dragStartRatio = splitRatio.value
+  const container = (e.target as HTMLElement)?.closest('.layout-container') as HTMLElement | null
+  containerHeight = container ? container.clientHeight : window.innerHeight
+
+  window.addEventListener('mousemove', onHandleMousemove)
+  window.addEventListener('mouseup', onHandleMouseup)
+}
+
+function onHandleMousemove(e: MouseEvent) {
+  const delta = e.clientY - dragStartY
+  const newRatio = dragStartRatio + delta / containerHeight
+  splitRatio.value = Math.min(0.80, Math.max(0.20, newRatio))
+}
+
+function onHandleMouseup() {
+  window.removeEventListener('mousemove', onHandleMousemove)
+  window.removeEventListener('mouseup', onHandleMouseup)
+  if (typeof window !== 'undefined') {
+    localStorage.setItem(SPLIT_RATIO_KEY, String(splitRatio.value))
+  }
+  cartePenseesRef.value?.triggerResize()
+}
+
+onMounted(() => {
+  if (typeof window !== 'undefined') {
+    const saved = localStorage.getItem(STORAGE_KEY) as LayoutMode | null
+    if (saved && ['split', 'carte-full', 'chatbot-full', 'bonpote'].includes(saved)) {
+      layoutMode.value = saved
+    }
+    const savedRatio = parseFloat(localStorage.getItem(SPLIT_RATIO_KEY) ?? '')
+    if (!isNaN(savedRatio) && savedRatio >= 0.20 && savedRatio <= 0.80) {
+      splitRatio.value = savedRatio
+    }
+    if (!localStorage.getItem('rag-fracas-info-seen')) {
+      ragInfoOpen.value = true
+      localStorage.setItem('rag-fracas-info-seen', '1')
+    }
+  }
+})
+
+function setLayoutMode(mode: LayoutMode) {
+  layoutMode.value = mode
+  if (typeof window !== 'undefined') {
+    localStorage.setItem(STORAGE_KEY, mode)
+  }
+  if (mode !== 'chatbot-full') {
+    setTimeout(() => {
+      cartePenseesRef.value?.triggerResize()
+    }, 350)
+  }
+}
+
+watch(layoutMode, (v) => {
+  if (typeof window !== 'undefined') {
+    localStorage.setItem(STORAGE_KEY, v)
+  }
+})
+
+function onSelectAuteur(id: string) {
+  ficheAuteurId.value = id
+  ficheOpen.value = true
+  chatbotAuteur.value = null
+}
+
+function onSelectEcole(id: string) {
+  ficheEcoleId.value = id
+  ficheEcoleOpen.value = true
+}
+
+function onSelectAuteurFromEcole(auteurId: string) {
+  ficheEcoleOpen.value = false
+  onSelectAuteur(auteurId)
+}
+
+function onInterrogerEcole(ecoleId: string) {
+  ficheEcoleOpen.value = false
+  const ecole = props.penseesData?.ecoles.find(e => e.id === ecoleId)
+  chatbotAuteur.value = ecole?.label ?? null
+  if (layoutMode.value === 'carte-full') setLayoutMode('split')
+}
+
+function onInterrogerRag(auteurId: string) {
+  ficheOpen.value = false
+  const auteur = props.penseesData?.auteurs.find(a => a.id === auteurId)
+  chatbotAuteur.value = auteur?.nom ?? null
+  if (layoutMode.value === 'carte-full') {
+    setLayoutMode('split')
+  }
+}
+</script>
+
+<style scoped>
+.media-visuel {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+  min-height: 0;
+}
+
+/* Conteneur des slots carte + toggle + chatbot */
+.layout-container {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+  min-height: 0;
+}
+
+/* --- Slot carte --- */
+.carte-slot {
+  overflow: hidden;
+  position: relative;
+  transition: opacity 0.2s ease;
+}
+
+.carte-split {
+  flex: 0 0 66%;
+  min-height: 0;
+  opacity: 1;
+}
+
+.carte-full {
+  flex: 1 1 100%;
+  min-height: 0;
+  opacity: 1;
+}
+
+.carte-hidden {
+  flex: 0 0 0;
+  height: 0;
+  opacity: 0;
+  overflow: hidden;
+}
+
+/* --- Overlay PDF FRACAS --- */
+.fracas-overlay {
+  position: absolute;
+  inset: 0;
+  z-index: 50;
+  pointer-events: none;
+}
+
+/* --- Barre de toggle --- */
+.layout-toggle-bar {
+  flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 4px 12px;
+  background: var(--nav-bg);
+  border-top: 1px solid rgba(180, 170, 160, 0.22);
+  border-bottom: 1px solid rgba(180, 170, 160, 0.22);
+  min-height: 38px;
+  flex-wrap: wrap;
+}
+
+.toggle-btn {
+  display: inline-flex;
+  align-items: center;
+  gap: 5px;
+  padding: 4px 10px;
+  border-radius: 6px;
+  font-size: 0.75rem;
+  font-weight: 500;
+  cursor: pointer;
+  background: var(--nav-bg-alt);
+  color: var(--nav-text-muted);
+  border: 1px solid transparent;
+  transition: background 0.15s, color 0.15s, border-color 0.15s;
+}
+
+.toggle-btn:hover {
+  background: var(--nav-surface);
+  color: var(--nav-text);
+}
+
+.toggle-btn.active {
+  background: var(--nav-primary);
+  color: var(--nav-text-on-primary);
+  border-color: var(--nav-primary);
+}
+
+/* --- Toggle layer PDF FRACAS --- */
+.layer-toggle {
+  display: inline-flex;
+  align-items: center;
+  gap: 5px;
+  padding: 4px 10px;
+  border-radius: 6px;
+  font-size: 0.75rem;
+  font-weight: 500;
+  cursor: pointer;
+  background: var(--nav-bg-alt);
+  color: var(--nav-text-muted);
+  border: 1px solid transparent;
+  user-select: none;
+  margin-left: 4px;
+}
+
+.layer-toggle input[type="checkbox"] {
+  margin: 0;
+  cursor: pointer;
+}
+
+.opacity-slider {
+  width: 80px;
+  cursor: pointer;
+  accent-color: var(--nav-primary, #3b6ea5);
+}
+
+/* --- Poignee draggable entre carte et chatbot --- */
+.split-handle {
+  flex-shrink: 0;
+  height: 8px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  cursor: row-resize;
+  background: transparent;
+  position: relative;
+  z-index: 10;
+  user-select: none;
+}
+
+.split-handle:hover {
+  background: rgba(180, 170, 160, 0.18);
+}
+
+.split-handle-grip {
+  display: block;
+  width: 32px;
+  height: 4px;
+  border-radius: 2px;
+  background: repeating-linear-gradient(
+    to bottom,
+    rgba(160, 150, 140, 0.55) 0px,
+    rgba(160, 150, 140, 0.55) 1px,
+    transparent 1px,
+    transparent 3px
+  );
+}
+
+/* Masquer la poignee sur mobile (ratio fixe) */
+@media (max-width: 767px) {
+  .split-handle {
+    display: none;
+  }
+}
+
+/* --- Slot chatbot --- */
+.chatbot-slot {
+  overflow: hidden;
+  position: relative;
+  transition: opacity 0.2s ease;
+  border-top: 1px solid rgba(180, 170, 160, 0.28);
+}
+
+.chatbot-split {
+  flex: 0 0 34%;
+  min-height: 0;
+  opacity: 1;
+}
+
+.chatbot-full-mode {
+  flex: 1 1 100%;
+  min-height: 0;
+  opacity: 1;
+}
+
+.chatbot-hidden {
+  flex: 0 0 0;
+  height: 0;
+  opacity: 0;
+  overflow: hidden;
+}
+
+/* --- Transitions modal RAG info --- */
+.backdrop-enter-active,.backdrop-leave-active { transition: opacity 0.2s; }
+.backdrop-enter-from,.backdrop-leave-to { opacity: 0; }
+.modal-enter-active { transition: opacity 0.2s, transform 0.22s cubic-bezier(0.34,1.56,0.64,1); }
+.modal-leave-active { transition: opacity 0.18s, transform 0.18s ease-in; }
+.modal-enter-from { opacity: 0; transform: translate(-50%,-48%) scale(0.94); }
+.modal-leave-to { opacity: 0; transform: translate(-50%,-48%) scale(0.96); }
+
+/* --- Responsive mobile (<768px) --- */
+@media (max-width: 767px) {
+  .carte-split {
+    flex: 0 0 60vh;
+    height: 60vh;
+  }
+
+  .chatbot-split {
+    flex: 0 0 calc(40vh - 38px);
+    height: calc(40vh - 38px);
+  }
+
+  .toggle-btn span,
+  .toggle-btn {
+    font-size: 0.7rem;
+    padding: 3px 7px;
+  }
+}
+</style>