diff --git a/frontend/src/app/(protected)/journal/nouvelle-saisie/page.tsx b/frontend/src/app/(protected)/journal/nouvelle-saisie/page.tsx
index 42e8d7b..57c06f6 100644
--- a/frontend/src/app/(protected)/journal/nouvelle-saisie/page.tsx
+++ b/frontend/src/app/(protected)/journal/nouvelle-saisie/page.tsx
@@ -147,42 +147,37 @@ export default function NouvelleSaisiePage() {
             )}
           </div>
 
-          {/* Navigation */}
-          <ul className="fr-btns-group fr-btns-group--inline-md">
-            <li>
+          {/* Navigation (flex simple pour éviter le rognage des libellés
+              dans un groupe DSFR avec boutons à icône) */}
+          <div style={{ display: 'flex', gap: '0.75rem', flexWrap: 'wrap' }}>
+            <button
+              type="button"
+              className="fr-btn fr-btn--secondary fr-btn--icon-left fr-icon-arrow-left-line"
+              onClick={() => setStep(step - 1)}
+              disabled={step === 1}
+            >
+              Précédent
+            </button>
+            {step < 3 ? (
               <button
                 type="button"
-                className="fr-btn fr-btn--secondary fr-icon-arrow-left-line fr-btn--icon-left"
-                onClick={() => setStep(step - 1)}
-                disabled={step === 1}
+                className="fr-btn fr-btn--icon-right fr-icon-arrow-right-line"
+                onClick={() => setStep(step + 1)}
+                disabled={!canNext()}
               >
-                Précédent
+                Suivant
               </button>
-            </li>
-            {step < 3 ? (
-              <li>
-                <button
-                  type="button"
-                  className="fr-btn fr-icon-arrow-right-line fr-btn--icon-right"
-                  onClick={() => setStep(step + 1)}
-                  disabled={!canNext()}
-                >
-                  Suivant
-                </button>
-              </li>
             ) : (
-              <li>
-                <button
-                  type="button"
-                  className="fr-btn fr-icon-check-line fr-btn--icon-left"
-                  onClick={handleSubmit}
-                  disabled={!emotionId || createSaisie.isPending}
-                >
-                  Enregistrer
-                </button>
-              </li>
+              <button
+                type="button"
+                className="fr-btn fr-btn--icon-left fr-icon-check-line"
+                onClick={handleSubmit}
+                disabled={!emotionId || createSaisie.isPending}
+              >
+                Enregistrer
+              </button>
             )}
-          </ul>
+          </div>
         </div>
       </div>
     </div>
diff --git a/mobile/package-lock.json b/mobile/package-lock.json
index 277757c..5916246 100644
--- a/mobile/package-lock.json
+++ b/mobile/package-lock.json
@@ -32,6 +32,7 @@
         "@babel/core": "^7.25.0",
         "@types/jest": "29.5.14",
         "@types/react": "~19.1.8",
+        "babel-preset-expo": "^56.0.15",
         "jest": "^29.7.0",
         "jest-expo": "~54.0.17",
         "typescript": "~5.9.2"
@@ -3995,7 +3996,7 @@
       "version": "19.1.17",
       "resolved": "https://registry.npmjs.org/@types/react/-/react-19.1.17.tgz",
       "integrity": "sha512-Qec1E3mhALmaspIrhWt9jkQMNdw6bReVu64mjvhbhq2NFPftLPVr+l1SZgmw/66WwBNpDh7ao5AT6gF5v41PFA==",
-      "devOptional": true,
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "csstype": "^3.0.2"
@@ -4455,6 +4456,120 @@
         "@babel/core": "^7.0.0 || ^8.0.0-0"
       }
     },
+    "node_modules/babel-preset-expo": {
+      "version": "56.0.15",
+      "resolved": "https://registry.npmjs.org/babel-preset-expo/-/babel-preset-expo-56.0.15.tgz",
+      "integrity": "sha512-0MqbQoM6nBUbKvgu2xJ4VixZnUTGTq3HB2WwvOikdO4CiPxbQ+wGA25fOoHHSni5iEFW39wy6y1ookTWlq3wVw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/generator": "^7.20.5",
+        "@babel/helper-module-imports": "^7.25.9",
+        "@babel/plugin-proposal-decorators": "^7.12.9",
+        "@babel/plugin-proposal-export-default-from": "^7.24.7",
+        "@babel/plugin-syntax-dynamic-import": "^7.8.3",
+        "@babel/plugin-syntax-export-default-from": "^7.24.7",
+        "@babel/plugin-syntax-nullish-coalescing-operator": "^7.8.3",
+        "@babel/plugin-syntax-optional-chaining": "^7.8.3",
+        "@babel/plugin-transform-async-generator-functions": "^7.25.4",
+        "@babel/plugin-transform-async-to-generator": "^7.24.7",
+        "@babel/plugin-transform-block-scoping": "^7.25.0",
+        "@babel/plugin-transform-class-properties": "^7.25.4",
+        "@babel/plugin-transform-class-static-block": "^7.27.1",
+        "@babel/plugin-transform-classes": "^7.25.4",
+        "@babel/plugin-transform-destructuring": "^7.24.8",
+        "@babel/plugin-transform-export-namespace-from": "^7.25.9",
+        "@babel/plugin-transform-flow-strip-types": "^7.25.2",
+        "@babel/plugin-transform-for-of": "^7.24.7",
+        "@babel/plugin-transform-logical-assignment-operators": "^7.24.7",
+        "@babel/plugin-transform-modules-commonjs": "^7.24.8",
+        "@babel/plugin-transform-named-capturing-groups-regex": "^7.24.7",
+        "@babel/plugin-transform-nullish-coalescing-operator": "^7.24.7",
+        "@babel/plugin-transform-object-rest-spread": "^7.24.7",
+        "@babel/plugin-transform-optional-catch-binding": "^7.24.7",
+        "@babel/plugin-transform-optional-chaining": "^7.24.8",
+        "@babel/plugin-transform-parameters": "^7.24.7",
+        "@babel/plugin-transform-private-methods": "^7.24.7",
+        "@babel/plugin-transform-private-property-in-object": "^7.24.7",
+        "@babel/plugin-transform-react-display-name": "^7.24.7",
+        "@babel/plugin-transform-react-jsx": "^7.28.6",
+        "@babel/plugin-transform-react-jsx-development": "^7.27.1",
+        "@babel/plugin-transform-react-pure-annotations": "^7.27.1",
+        "@babel/plugin-transform-runtime": "^7.24.7",
+        "@babel/plugin-transform-typescript": "^7.25.2",
+        "@babel/plugin-transform-unicode-regex": "^7.24.7",
+        "@babel/preset-typescript": "^7.23.0",
+        "@react-native/babel-plugin-codegen": "0.85.3",
+        "babel-plugin-react-compiler": "^1.0.0",
+        "babel-plugin-react-native-web": "~0.21.0",
+        "babel-plugin-syntax-hermes-parser": "^0.33.3",
+        "babel-plugin-transform-flow-enums": "^0.0.2",
+        "debug": "^4.3.4"
+      },
+      "peerDependencies": {
+        "@babel/runtime": "^7.20.0",
+        "expo": "*",
+        "expo-widgets": "^56.0.18",
+        "react-refresh": ">=0.14.0 <1.0.0"
+      },
+      "peerDependenciesMeta": {
+        "@babel/runtime": {
+          "optional": true
+        },
+        "expo": {
+          "optional": true
+        },
+        "expo-widgets": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/babel-preset-expo/node_modules/@react-native/babel-plugin-codegen": {
+      "version": "0.85.3",
+      "resolved": "https://registry.npmjs.org/@react-native/babel-plugin-codegen/-/babel-plugin-codegen-0.85.3.tgz",
+      "integrity": "sha512-Wc94zGfeFG8Njf9SHMPfYZP04kjigkOps6F1TYTvd7ZVXuGxqseCDgxc50LWcOhOCLypI9n3oVVqz81C3p44ZA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/traverse": "^7.29.0",
+        "@react-native/codegen": "0.85.3"
+      },
+      "engines": {
+        "node": "^20.19.4 || ^22.13.0 || ^24.3.0 || >= 25.0.0"
+      }
+    },
+    "node_modules/babel-preset-expo/node_modules/@react-native/codegen": {
+      "version": "0.85.3",
+      "resolved": "https://registry.npmjs.org/@react-native/codegen/-/codegen-0.85.3.tgz",
+      "integrity": "sha512-/JkS1lGLyzBWP1FbgDwaqEf7qShIC6pUC1M0a/YMAd/v4iqR24MRkQWe7jkYvcBQ2LpEhs5NGE9InhxSv21zCA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/core": "^7.25.2",
+        "@babel/parser": "^7.29.0",
+        "hermes-parser": "0.33.3",
+        "invariant": "^2.2.4",
+        "nullthrows": "^1.1.1",
+        "tinyglobby": "^0.2.15",
+        "yargs": "^17.6.2"
+      },
+      "engines": {
+        "node": "^20.19.4 || ^22.13.0 || ^24.3.0 || >= 25.0.0"
+      },
+      "peerDependencies": {
+        "@babel/core": "*"
+      }
+    },
+    "node_modules/babel-preset-expo/node_modules/babel-plugin-syntax-hermes-parser": {
+      "version": "0.33.3",
+      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-hermes-parser/-/babel-plugin-syntax-hermes-parser-0.33.3.tgz",
+      "integrity": "sha512-/Z9xYdaJ1lC0pT9do6TqCqhOSLfZ5Ot8D5za1p+feEfWYupCOfGbhhEXN9r2ZgJtDNUNRw/Z+T2CvAGKBqtqWA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "hermes-parser": "0.33.3"
+      }
+    },
     "node_modules/babel-preset-jest": {
       "version": "29.6.3",
       "resolved": "https://registry.npmjs.org/babel-preset-jest/-/babel-preset-jest-29.6.3.tgz",
@@ -5142,7 +5257,7 @@
       "version": "3.2.3",
       "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.2.3.tgz",
       "integrity": "sha512-z1HGKcYy2xA8AGQfwrn0PAy+PB7X/GSj3UVJW9qKyn43xWa+gl5nXmU4qqLMRzWVLFC8KusUX8T/0kCiOYpAIQ==",
-      "devOptional": true,
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/data-urls": {
@@ -6809,6 +6924,23 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/hermes-estree": {
+      "version": "0.33.3",
+      "resolved": "https://registry.npmjs.org/hermes-estree/-/hermes-estree-0.33.3.tgz",
+      "integrity": "sha512-6kzYZHCk8Fy1Uc+t3HGYyJn3OL4aeqKLTyina4UFtWl8I0kSL7OmKThaiX+Uh2f8nGw3mo4Ifxg0M5Zk3/Oeqg==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/hermes-parser": {
+      "version": "0.33.3",
+      "resolved": "https://registry.npmjs.org/hermes-parser/-/hermes-parser-0.33.3.tgz",
+      "integrity": "sha512-Yg3HgaG4CqgyowtYjX/FsnPAuZdHOqSMtnbpylbptsQ9nwwSKsy6uRWcGO5RK0EqiX12q8HvDWKgeAVajRO5DA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "hermes-estree": "0.33.3"
+      }
+    },
     "node_modules/hoist-non-react-statics": {
       "version": "3.3.2",
       "resolved": "https://registry.npmjs.org/hoist-non-react-statics/-/hoist-non-react-statics-3.3.2.tgz",
@@ -9720,26 +9852,6 @@
         }
       }
     },
-    "node_modules/react-dom": {
-      "version": "19.2.7",
-      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.2.7.tgz",
-      "integrity": "sha512-t0BRVXvbiE/o20Hfw669rLbMCDWtYZLvmJigy2f0MxsXF+71pxhR3xOkspmsO8h3ZlNzyibAmtCa3l4lYKk6gQ==",
-      "license": "MIT",
-      "peer": true,
-      "dependencies": {
-        "scheduler": "^0.27.0"
-      },
-      "peerDependencies": {
-        "react": "^19.2.7"
-      }
-    },
-    "node_modules/react-dom/node_modules/scheduler": {
-      "version": "0.27.0",
-      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.27.0.tgz",
-      "integrity": "sha512-eNv+WrVbKu1f3vbYJT/xtiF5syA5HPIMtf9IgY/nKg0sWqzAUEvqY/xm7OcZc/qafLx/iO9FgOmeSAp4v5ti/Q==",
-      "license": "MIT",
-      "peer": true
-    },
     "node_modules/react-fast-compare": {
       "version": "3.2.2",
       "resolved": "https://registry.npmjs.org/react-fast-compare/-/react-fast-compare-3.2.2.tgz",
@@ -11314,7 +11426,7 @@
       "version": "5.9.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
       "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
-      "devOptional": true,
+      "dev": true,
       "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
diff --git a/mobile/package.json b/mobile/package.json
index a726dea..cb549b1 100644
--- a/mobile/package.json
+++ b/mobile/package.json
@@ -40,6 +40,7 @@
     "@babel/core": "^7.25.0",
     "@types/jest": "29.5.14",
     "@types/react": "~19.1.8",
+    "babel-preset-expo": "^56.0.15",
     "jest": "^29.7.0",
     "jest-expo": "~54.0.17",
     "typescript": "~5.9.2"