diff --git a/client/src/pages/DsiOpex.tsx b/client/src/pages/DsiOpex.tsx
index 3f8bd19..1181de3 100644
--- a/client/src/pages/DsiOpex.tsx
+++ b/client/src/pages/DsiOpex.tsx
@@ -1783,14 +1783,16 @@ export default function DsiOpex() {
                           </td>
                           {lignes.map(ligne => {
                             const isManuel = ligne.mode_ventilation === 'Manuel' || ligne.isCustom;
+                            // En mode tout manuel pour cet établissement, toutes les cellules sont éditables
+                            const isCellEditable = etab.modeManuel || isManuel;
                             const montant = etab.montants[ligne.libelle] ?? 0;
                             const cellKey = `${etab.code}|${ligne.libelle}`;
                             const isEditing = inlineEditKey === cellKey;
                             const hasOverride = montantsManuelEtab[etab.code]?.[ligne.libelle] !== undefined;
 
-                            if (isManuel && isEditing) {
+                            if (isCellEditable && isEditing) {
                               return (
-                                <td key={ligne.id} className="px-1 py-1 border border-blue-400 bg-blue-50 min-w-[90px]">
+                                <td key={ligne.id} className="px-1 py-1 border border-amber-400 bg-amber-50 min-w-[90px]">
                                   <input
                                     autoFocus
                                     type="number"
@@ -1804,7 +1806,7 @@ export default function DsiOpex() {
                                       if (e.key === 'Enter') handleInlineEditCommit(etab.code, ligne.libelle);
                                       if (e.key === 'Escape') handleInlineEditCancel();
                                     }}
-                                    className="w-full text-right text-xs tabular-nums px-1 py-0.5 border-0 bg-transparent focus:outline-none text-blue-800 font-medium"
+                                    className="w-full text-right text-xs tabular-nums px-1 py-0.5 border-0 bg-transparent focus:outline-none text-amber-800 font-medium"
                                     style={{ minWidth: '70px' }}
                                   />
                                 </td>
@@ -1814,20 +1816,30 @@ export default function DsiOpex() {
                             return (
                               <td
                                 key={ligne.id}
-                                onClick={() => isManuel && !isValidated && handleInlineEditStart(etab.code, ligne.libelle, montant)}
+                                onClick={() => isCellEditable && !isValidated && handleInlineEditStart(etab.code, ligne.libelle, montant)}
                                 className={`px-2 py-2 text-right tabular-nums transition-colors ${
-                                  isManuel
-                                    ? `border border-blue-200 bg-blue-50/30 text-blue-800 ${
-                                        !isValidated ? 'cursor-pointer hover:bg-blue-100/60 hover:border-blue-400' : ''
-                                      } ${hasOverride ? 'font-semibold' : ''}`
-                                    : 'border border-emerald-200 bg-emerald-50/20 text-emerald-800'
+                                  etab.modeManuel
+                                    ? `border border-amber-200 bg-amber-50/30 text-amber-800 ${
+                                        !isValidated ? 'cursor-pointer hover:bg-amber-100/60 hover:border-amber-400' : ''
+                                      } ${hasOverride ? 'font-semibold' : 'opacity-60'}`
+                                    : isManuel
+                                      ? `border border-blue-200 bg-blue-50/30 text-blue-800 ${
+                                          !isValidated ? 'cursor-pointer hover:bg-blue-100/60 hover:border-blue-400' : ''
+                                        } ${hasOverride ? 'font-semibold' : ''}`
+                                      : 'border border-emerald-200 bg-emerald-50/20 text-emerald-800'
                                 }`}
-                                title={isManuel && !isValidated ? 'Cliquer pour saisir le montant' : undefined}
+                                title={
+                                  etab.modeManuel && !isValidated
+                                    ? 'Cliquer pour saisir le montant (mode tout manuel)'
+                                    : isManuel && !isValidated
+                                      ? 'Cliquer pour saisir le montant'
+                                      : undefined
+                                }
                               >
                                 {montant > 0
                                   ? new Intl.NumberFormat('fr-FR', { maximumFractionDigits: 0 }).format(montant) + ' €'
-                                  : isManuel && !isValidated
-                                    ? <span className="text-blue-300 text-[10px]">cliquer</span>
+                                  : isCellEditable && !isValidated
+                                    ? <span className={etab.modeManuel ? 'text-amber-300 text-[10px]' : 'text-blue-300 text-[10px]'}>cliquer</span>
                                     : <span className="text-muted-foreground">—</span>}
                               </td>
                             );