diff --git a/client/src/pages/DsiOpex.tsx b/client/src/pages/DsiOpex.tsx
index d5daa77..9f4f3fd 100644
--- a/client/src/pages/DsiOpex.tsx
+++ b/client/src/pages/DsiOpex.tsx
@@ -1159,101 +1159,125 @@ export default function DsiOpex() {
                 </table>
               </div>
 
-              {/* Répartition par catégorie */}
-              <div className="mt-6 bg-card border border-border rounded-xl p-5">
-                <h3 className="font-semibold text-foreground mb-4 flex items-center gap-2" style={{ fontFamily: 'Sora, sans-serif' }}>
-                  <BarChart3 className="w-4 h-4 text-muted-foreground" />
-                  Répartition par catégorie — {annee}
-                </h3>
-                <div className="space-y-3">
-                  {Object.entries(totalParCategorie)
-                    .filter(([, v]) => v > 0)
-                    .sort(([, a], [, b]) => b - a)
-                    .map(([cat, montant]) => {
-                      const pct = totalGlobal > 0 ? (montant / totalGlobal) * 100 : 0;
-                      const colors = getCatColors(cat);
-                      return (
-                        <div key={cat} className="flex items-center gap-3">
-                          <span className={`inline-flex px-2 py-0.5 rounded-full text-xs font-medium w-28 justify-center ${colors.badge}`}>
-                            {cat}
-                          </span>
-                          <div className="flex-1 bg-muted rounded-full h-2 overflow-hidden">
-                            <div className={`h-2 rounded-full transition-all ${colors.bar}`} style={{ width: `${pct}%` }} />
-                          </div>
-                          <span className="text-sm font-semibold text-foreground tabular-nums w-28 text-right">
-                            {formatEuros(montant)}
-                          </span>
-                          <span className="text-xs text-muted-foreground tabular-nums w-12 text-right">
-                            {pct.toFixed(1)}%
-                          </span>
-                        </div>
-                      );
-                    })}
-                </div>
-              </div>
+
             </div>
           )}
 
           {/* === VUE PAR ÉTABLISSEMENT === */}
           {viewMode === 'etablissements' && (
-            <div className="bg-card border border-border rounded-xl overflow-hidden">
-              <table className="w-full text-sm">
-                <thead>
-                  <tr className="border-b border-border bg-muted/40">
-                    <th className="text-left px-4 py-3 font-medium text-muted-foreground">Code</th>
-                    <th className="text-left px-4 py-3 font-medium text-muted-foreground">
-                      <SortBtn col="nom" label="Établissement" />
-                    </th>
-                    <th className="text-right px-4 py-3 font-medium text-muted-foreground hidden lg:table-cell">Base répartition</th>
-                    {opexData2026.postes.slice(0, showDetails ? 8 : 4).map(p => (
-                      <th key={p.libelle} className="text-right px-3 py-3 font-medium text-muted-foreground text-xs max-w-24 hidden xl:table-cell">
-                        <span className="block truncate max-w-20" title={p.libelle}>{p.libelle.split(' ').slice(0, 3).join(' ')}</span>
-                      </th>
-                    ))}
-                    <th className="text-right px-4 py-3 font-medium text-muted-foreground">
-                      <SortBtn col="total" label={`Total ${annee}`} />
-                    </th>
-                  </tr>
-                </thead>
-                <tbody>
-                  {sortedEtabs.map((etab, idx) => (
-                    <tr key={etab.code} className={`border-b border-border/50 hover:bg-muted/30 transition-colors ${idx % 2 === 0 ? '' : 'bg-muted/10'}`}>
-                      <td className="px-4 py-2.5">
-                        <span className="font-mono text-xs bg-muted px-1.5 py-0.5 rounded text-muted-foreground">{etab.code}</span>
-                      </td>
-                      <td className="px-4 py-2.5 font-medium text-foreground">{etab.nom}</td>
-                      <td className="px-4 py-2.5 text-right text-xs text-muted-foreground tabular-nums hidden lg:table-cell">
-                        {etab.base_repartition > 0
-                          ? new Intl.NumberFormat('fr-FR', { maximumFractionDigits: 0 }).format(etab.base_repartition) + ' €'
-                          : '—'}
-                      </td>
-                      {opexData2026.postes.slice(0, showDetails ? 8 : 4).map(p => (
-                        <td key={p.libelle} className="px-3 py-2.5 text-right text-xs tabular-nums text-muted-foreground hidden xl:table-cell">
-                          {etab.montants[p.libelle] > 0
-                            ? new Intl.NumberFormat('fr-FR', { maximumFractionDigits: 0 }).format(Math.round(etab.montants[p.libelle])) + ' €'
-                            : '—'}
-                        </td>
+            <div className="space-y-3">
+              {/* Légende code couleur */}
+              <div className="flex items-center gap-4 px-1 text-xs text-muted-foreground">
+                <div className="flex items-center gap-1.5">
+                  <span className="inline-block w-3 h-3 rounded border-2 border-emerald-500 bg-emerald-50"></span>
+                  <span>Calcul automatique (prorata classe 6)</span>
+                </div>
+                <div className="flex items-center gap-1.5">
+                  <span className="inline-block w-3 h-3 rounded border-2 border-blue-500 bg-blue-50"></span>
+                  <span>Saisie manuelle</span>
+                </div>
+              </div>
+
+              {/* Tableau scrollable horizontalement avec tous les postes */}
+              <div className="bg-card border border-border rounded-xl overflow-hidden">
+                <div className="overflow-x-auto">
+                  <table className="text-xs" style={{ minWidth: 'max-content', width: '100%' }}>
+                    <thead>
+                      <tr className="border-b border-border bg-muted/40">
+                        <th className="text-left px-3 py-3 font-medium text-muted-foreground sticky left-0 bg-muted/40 z-10 min-w-[80px]">Code</th>
+                        <th className="text-left px-3 py-3 font-medium text-muted-foreground sticky left-[80px] bg-muted/40 z-10 min-w-[200px]">
+                          <SortBtn col="nom" label="Établissement" />
+                        </th>
+                        {/* Colonnes postes — vert = prorata auto, bleu = manuel */}
+                        {opexState.lignes.map(ligne => {
+                          const srcPoste = getOpexDataForAnnee(annee).postes.find(p => p.libelle === ligne.libelle);
+                          const isManuel = srcPoste?.mode_ventilation === 'Manuel' || ligne.isCustom;
+                          return (
+                            <th
+                              key={ligne.id}
+                              className={`text-right px-2 py-2 font-medium min-w-[90px] max-w-[110px] ${
+                                isManuel
+                                  ? 'text-blue-700 bg-blue-50/60 border-b-2 border-blue-400'
+                                  : 'text-emerald-700 bg-emerald-50/60 border-b-2 border-emerald-400'
+                              }`}
+                              title={`${ligne.libelle} — ${isManuel ? 'Saisie manuelle' : 'Prorata classe 6'} — ${formatEuros(ligne.montant)}`}
+                            >
+                              <span className="block truncate max-w-[100px]" style={{ writingMode: 'horizontal-tb' }}>
+                                {ligne.libelle.length > 18 ? ligne.libelle.slice(0, 16) + '…' : ligne.libelle}
+                              </span>
+                              <span className="block text-[10px] font-normal opacity-70 mt-0.5">{formatEuros(ligne.montant)}</span>
+                            </th>
+                          );
+                        })}
+                        <th className="text-right px-3 py-3 font-medium text-muted-foreground min-w-[110px] sticky right-0 bg-muted/40 z-10">
+                          <SortBtn col="total" label={`Total ${annee}`} />
+                        </th>
+                      </tr>
+                    </thead>
+                    <tbody>
+                      {sortedEtabs.map((etab, idx) => (
+                        <tr key={etab.code} className={`border-b border-border/50 hover:bg-muted/20 transition-colors ${idx % 2 === 0 ? '' : 'bg-muted/5'}`}>
+                          <td className="px-3 py-2 sticky left-0 bg-inherit z-10">
+                            <span className="font-mono bg-muted px-1.5 py-0.5 rounded text-muted-foreground">{etab.code}</span>
+                          </td>
+                          <td className="px-3 py-2 font-medium text-foreground sticky left-[80px] bg-inherit z-10 whitespace-nowrap">{etab.nom}</td>
+                          {opexState.lignes.map(ligne => {
+                            const srcPoste = getOpexDataForAnnee(annee).postes.find(p => p.libelle === ligne.libelle);
+                            const isManuel = srcPoste?.mode_ventilation === 'Manuel' || ligne.isCustom;
+                            const montant = etab.montants[ligne.libelle] ?? 0;
+                            return (
+                              <td
+                                key={ligne.id}
+                                className={`px-2 py-2 text-right tabular-nums ${
+                                  isManuel
+                                    ? 'border border-blue-200 bg-blue-50/30 text-blue-800'
+                                    : 'border border-emerald-200 bg-emerald-50/20 text-emerald-800'
+                                }`}
+                              >
+                                {montant > 0
+                                  ? new Intl.NumberFormat('fr-FR', { maximumFractionDigits: 0 }).format(montant) + ' €'
+                                  : <span className="text-muted-foreground">—</span>}
+                              </td>
+                            );
+                          })}
+                          <td className="px-3 py-2 text-right font-semibold tabular-nums sticky right-0 bg-card z-10 border-l border-border">
+                            <span className={etab.total > 0 ? 'text-orange-600' : 'text-muted-foreground'}>
+                              {etab.total > 0 ? formatEuros(etab.total) : '—'}
+                            </span>
+                          </td>
+                        </tr>
                       ))}
-                      <td className="px-4 py-2.5 text-right font-semibold tabular-nums">
-                        <span className={etab.total > 0 ? 'text-orange-600' : 'text-muted-foreground'}>
-                          {etab.total > 0 ? formatEuros(etab.total) : '—'}
-                        </span>
-                      </td>
-                    </tr>
-                  ))}
-                </tbody>
-                <tfoot>
-                  <tr className="bg-muted/40 border-t-2 border-border">
-                    <td colSpan={3 + (showDetails ? 8 : 4)} className="px-4 py-3 font-bold text-foreground hidden lg:table-cell">
-                      TOTAL — {sortedEtabs.length} établissements
-                    </td>
-                    <td colSpan={3} className="px-4 py-3 font-bold text-foreground lg:hidden">TOTAL</td>
-                    <td className="px-4 py-3 text-right font-bold text-orange-600 text-base tabular-nums">
-                      {formatEuros(sortedEtabs.reduce((s, e) => s + e.total, 0))}
-                    </td>
-                  </tr>
-                </tfoot>
-              </table>
+                    </tbody>
+                    <tfoot>
+                      <tr className="bg-muted/40 border-t-2 border-border">
+                        <td colSpan={2} className="px-3 py-3 font-bold text-foreground sticky left-0 bg-muted/40 z-10">
+                          TOTAL — {sortedEtabs.length} établissements
+                        </td>
+                        {opexState.lignes.map(ligne => {
+                          const srcPoste = getOpexDataForAnnee(annee).postes.find(p => p.libelle === ligne.libelle);
+                          const isManuel = srcPoste?.mode_ventilation === 'Manuel' || ligne.isCustom;
+                          const totalColonne = sortedEtabs.reduce((s, e) => s + (e.montants[ligne.libelle] ?? 0), 0);
+                          return (
+                            <td
+                              key={ligne.id}
+                              className={`px-2 py-3 text-right font-semibold tabular-nums ${
+                                isManuel ? 'text-blue-700 bg-blue-50/40' : 'text-emerald-700 bg-emerald-50/30'
+                              }`}
+                            >
+                              {totalColonne > 0
+                                ? new Intl.NumberFormat('fr-FR', { maximumFractionDigits: 0 }).format(totalColonne) + ' €'
+                                : '—'}
+                            </td>
+                          );
+                        })}
+                        <td className="px-3 py-3 text-right font-bold text-orange-600 text-sm tabular-nums sticky right-0 bg-muted/40 z-10 border-l border-border">
+                          {formatEuros(sortedEtabs.reduce((s, e) => s + e.total, 0))}
+                        </td>
+                      </tr>
+                    </tfoot>
+                  </table>
+                </div>
+              </div>
             </div>
           )}
         </div>