diff --git a/src/popup/popup.html b/src/popup/popup.html
index c19f7cff6b3f03d5362e244a672060fb26710d91..fc506d5efe7bba2ca89b7b7f813e05fb1547a1b1 100644
--- a/src/popup/popup.html
+++ b/src/popup/popup.html
@@ -55,14 +55,14 @@
     }
     button {
       width: 100%;
-      padding: 10px;
+      padding: 12px;
       margin-bottom: 8px;
       font-size: 14px;
       font-weight: bold;
       border: none;
       cursor: pointer;
       border-radius: 6px;
-      transition: background 0.3s;
+      transition: background 0.3s, transform 0.2s;
       background-color: #a08e9f;
       color: white;
     }
@@ -114,45 +114,201 @@
       -webkit-text-stroke-color: white;
     }
     .option-container {
-      background: #a08e9f;
-      padding: 8px;
-      border-radius: 8px;
-      margin-top: 10px;
-      box-shadow: 0 2px 5px rgba(0,0,0,0.2);
+      background: #444;
+      padding: 12px;
+      border-radius: 10px;
+      margin-top: 4px;
+      margin-bottom: 4px;
+      box-shadow: 0 2px 6px rgba(0,0,0,0.2);
     }
     .option-row {
       display: flex;
       align-items: center;
       justify-content: space-between;
-      margin-bottom: 8px;
+      flex-wrap: nowrap;
+      padding: 12px;
+      margin-bottom: 4px;
+      border-radius: 6px;
+      background-color: #444;
+      color: white;
+      font-size: 0.6rem;
+      transition: transform 0.2s, box-shadow 0.2s;
+    }
+    .option-row:hover {
+      transform: translateY(-2px);
+      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
+    }
+    .option-row label {
+      font-weight: lighter;
+      flex: 1;
+      margin: 0;
+      font-size: 0.9rem;
+      align-items: center;
+    }
+
+    .option-row input[type="checkbox"],
+    .option-row input[type="number"] {
+      appearance: none;
+      width: 20px;
+      height: 20px;
+      border: 2px solid #8d5c70;
+      border-radius: 50%;
+      background-color: #fff;
+      cursor: pointer;
+      transition: background-color 0.3s, border-color 0.3s;
     }
-    .threshold-container input {
-      width: 50px;
+
+    .option-row input[type="checkbox"]:checked {
+      background-color: #8d5c70;
+      border-color: #8d5c70;
+    }
+
+    .toggle-switch {
+      position: absolute;
+      display: inline-block;
+      width: 30px;
+      height: 16px;
+      right: 0;
+      left: auto;
+    }
+    .toggle-switch .slider:before {
+      position: absolute;
+      content: "";
+      width: 12px;       
+      height: 12px;      
+      left: 2px;
+      bottom: 2px;
+      background-color: white;
+      transition: 0.4s;
+      border-radius: 50%;
+    }
+
+    .toggle-switch input {
+      opacity: 0;
+      width: 0;
+      height: 0;
+    }
+    .slider {
+      position: absolute;
+      cursor: pointer;
+      top: 0;
+      left: 0;
+      right: 0;
+      bottom: 0;
+      background-color: #ccc;
+      transition: 0.4s;
+      border-radius: 24px;
+    }
+
+    input:checked + .slider {
+      background-color: #8d5c70;
+    }
+
+    input:checked + .slider:before {
+      transform: translateX(14px);
+    }
+
+    .threshold-container input[type="number"] {
+      width: 45px;   
+      height: 45px;
+      line-height: 50px;   
       text-align: center;
-      padding: 4px;
-      border-radius: 4px;
-      border: 1px solid #a08e9f;
-      background: #525877;
+      border-radius: 50%;    
+      border: 2px solid #8d5c70;
+      font-size: 0.8rem;
+      box-sizing: border-box;
+      background: #fff;
+      color: #333;
+    }
+
+    #save-options {
+      border: none;
+      background: #8d5c70;
+      border-radius: 6px;
       color: white;
+      padding: 8px 12px;
+      font-size: 0.9rem;
+      cursor: pointer;
+      transition: background 0.3s, transform 0.2s;
+    }
+    #save-options:hover {
+      background: #ccc;
+      color: #8d5c70;
+      transform: translateY(-2px);
     }
     .language-selection {
       display: flex;
       flex-wrap: wrap;
-      justify-content: center;
-      gap: 6px;
-      margin-top: 4px;
+      gap: 8px;
     }
     .lang-option {
-      padding: 5px 8px;
-      background-color: #dcdde1;
+      padding: 4px 10px;
       border: 2px solid #8d5c70;
-      border-radius: 6px;
+      border-radius: 16px;
+      background: #fff;
+      color: #8d5c70;
       cursor: pointer;
-      transition: all 0.3s ease;
+      font-size: 0.85rem;
+      transition: background 0.3s, color 0.3s, transform 0.2s;
+    }
+    .lang-option:hover {
+      background: #8d5c70;
+      color: white;
+      transform: scale(1.05);
     }
     .lang-option.selected {
-      background-color: #8d5c70;
+      background: #8d5c70;
+      color: white;
+      border-color: #8d5c70;
+    }
+
+    /* #stats-options {
+      border: 1px solid #555;
+      border-radius: 8px;
+      align-items: center;
+    } */
+
+    .option-row.auto-add-row {
+      position: relative;
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: 10px 12px;
+      margin-bottom: 0;
+      background: transparent;        
+      border-bottom: 1px solid #555;    
+    }
+    .option-row.auto-add-row span {
+      font-size: 16px;
+      font-weight: lighter;
+    }
+
+    /* .option-row.auto-add-row input[type="checkbox"] {
+      appearance: none;
+      width: 24px;
+      margin-left: 10px;
+      height: 24px;
+      border: 2px solid #8d5c70;
+      border-radius: 4px;
+      background: #fff;
+      cursor: pointer;
+      transition: background 0.3s;
+    } */
+
+    /* .option-row.auto-add-row input[type="checkbox"]:checked {
+      background: #8d5c70;
+    } */
+    
+    #open-stats {
+      padding: 6px;
+      font-weight: lighter;
+      width: auto;
+      display: block;
+      margin: 0 auto;
+      background-color: #525877;
       color: white;
+      border: 2px solid #8d5c70;
+      border-radius: 8px;
     }
     .hidden {
       display: none;
@@ -173,37 +329,42 @@
   </div>
   <button id="toggleExtensionBtn">Activer/Désactiver</button>
   <button id="toggleStatsBtn">Statistiques</button>
+  <button id="open-stats">Afficher les statistiques</button>
   
   <div id="stats-options" class="option-container">
-    <div class="option-row">
-      <label for="auto-add">Ajout automatique</label>
-      <input type="checkbox" id="auto-add" />
+    <div class="option-row auto-add-row">
+      <span>Ajout automatique</span>
+      <label class="toggle-switch">
+        <input type="checkbox" id="auto-add">
+        <span class="slider"></span>
+      </label>
     </div>
     
-    <div id="auto-add-options" class="hidden">
-      <div class="option-row">
-        <label for="include-stopwords">Inclure mots outils</label>
-        <input type="checkbox" id="include-stopwords" />
-      </div>
+  <div id="auto-add-options" class="hidden">
+    <div class="option-row">
+      <label for="include-stopwords">Inclure mots outils</label>
+      <input type="checkbox" id="include-stopwords" />
+    </div>
       
-      <div class="option-row threshold-container">
-        <label for="threshold">Seuil</label>
-        <input type="number" id="threshold" value="10" min="1" />
-      </div>
+    <div class="option-row threshold-container">
+      <label for="threshold">Seuil d'ajout d'un mot</label>
+      <input type="number" id="threshold" value="10" min="1" />
+    </div>
       
-      <div class="option-row">
-        <label>Langues suivies</label>
-        <div id="language-selection" class="language-selection">
-          <p id="loading-languages" style="color: gray;">Chargement...</p>
-        </div>
+    <div class="option-row">
+      <label>Langues suivies</label>
+      <div id="language-selection" class="language-selection">
+        <p id="loading-languages" style="color: gray;">Chargement...</p>
       </div>
-      <!-- Message d'erreur si on ne sélectionne pas une langue à suivre-->
-      <div id="error-message" class="hidden">
-        <p>Veuillez sélectionner au moins une langue avant de sauvegarder.</p>
-      </div>      
-      <button id="save-options" class="hidden">Valider</button>
     </div>
 
+    <!-- Message d'erreur si on ne sélectionne pas une langue à suivre-->
+    <div id="error-message" class="hidden">
+      <p>Veuillez sélectionner au moins une langue avant de sauvegarder.</p>
+    </div>      
+    <button id="save-options" class="hidden">Valider</button>
+  </div>
+
   </div>
 
   <div id="extension-notification" class="hidden">
diff --git a/src/popup/popup.js b/src/popup/popup.js
index 48d60c1a75838b65812f04d5938b7208b5283612..819508d0e39bbb46aed18a19bb8e2da4fbe3a399 100644
--- a/src/popup/popup.js
+++ b/src/popup/popup.js
@@ -184,6 +184,11 @@ document.getElementById("save-options").addEventListener("click", async () => {
   log("Options sauvegardées :", { autoAdd, threshold, trackedLanguages: selectedLanguages });
 });
 
+document.getElementById("open-stats").addEventListener("click", function() {
+  window.open("stats.html", "_blank");
+});
+
+
 // === 5. Gestion de l'activation/désactivation de l'extension ===
 async function updateExtensionToggleButton() {
   const { accessToken, extensionActive } = await browser.storage.local.get(["accessToken", "extensionActive"]);
@@ -318,3 +323,4 @@ document.addEventListener("DOMContentLoaded", async () => {
   await updateLanguageSelection();
   await updateExtensionToggleButton();
 });
+