diff --git a/parcoursup/app.riot b/parcoursup/app.riot
index 0760a8a..53c72c6 100644
--- a/parcoursup/app.riot
+++ b/parcoursup/app.riot
@@ -27,9 +27,8 @@
 
         <div class="compare-controls">
           <div>
-            <label for="note"><b>Note moyenne :</b></label><br />
+            <label><b>Note moyenne :</b></label><br />
             <input
-              id="note"
               type="number"
               min="0"
               max="20"
@@ -40,29 +39,47 @@
           </div>
 
           <div>
-            <label for="serie"><b>Série :</b></label><br />
-            <select id="serie" onchange={ updateSerie }>
+            <label><b>Série :</b></label><br />
+            <select onchange={ updateSerie }>
               <option value="general" selected={ state.serie === 'general' }>Général</option>
               <option value="techno" selected={ state.serie === 'techno' }>Technologique</option>
               <option value="pro" selected={ state.serie === 'pro' }>Professionnel</option>
             </select>
           </div>
+
+          <div>
+            <label><b>Trier par :</b></label><br />
+            <select onchange={ updateSort }>
+              <option value="nom" selected={ state.sortBy === 'nom' }>Nom</option>
+              <option value="ville" selected={ state.sortBy === 'ville' }>Ville</option>
+              <option value="taux" selected={ state.sortBy === 'taux' }>Taux d'accès</option>
+            </select>
+          </div>
         </div>
 
         <hr />
 
         <h3>Formations sélectionnées</h3>
 
-        <div each={ f in state.selectedFormations } key={ f.id } class="card">
+        <div each={ f in getSortedSelection() } key={ f.id } class="card">
           <h4>{ f.nom }</h4>
+
           <p><b>Ville :</b> { f.ville }</p>
           <p><b>Filière :</b> { f.filiere }</p>
           <p><b>Taux d'accès :</b> { f.tauxAcces }%</p>
+
           <p>
             <b>Profil admis :</b>
-            Général { f.pctGeneral }% / Techno { f.pctTechno }% / Pro { f.pctPro }%
+            Général { f.pctGeneral }% /
+            Techno { f.pctTechno }% /
+            Pro { f.pctPro }%
           </p>
+
           <p><b>Estimation :</b> { estimateFormation(f) }</p>
+
+          <button onclick={ () => removeFromSelection(f.id) }>
+            Retirer
+          </button>
         </div>
       </div>
     </div>
@@ -84,7 +101,22 @@
         selected: null,
         selectedFormations: [],
         note: 12,
-        serie: 'general'
+        serie: 'general',
+        sortBy: 'nom'
+      },
+
+      onMounted() {
+        const saved = localStorage.getItem('selectionFormations')
+
+        if (saved) {
+          try {
+            this.update({
+              selectedFormations: JSON.parse(saved)
+            })
+          } catch (e) {
+            console.error(e)
+          }
+        }
       },
 
       async launchSearch(query) {
@@ -101,8 +133,7 @@
           if (data.results) {
             for (let i = 0; i < data.results.length; i++) {
               const raw = data.results[i]
-              const formation = window.createFormation(raw)
-              formations.push(formation)
+              formations.push(window.createFormation(raw))
             }
           }
 
@@ -125,6 +156,12 @@
         })
       },
 
+      backToList() {
+        this.update({
+          selected: null
+        })
+      },
+
       addToSelection(index) {
         const formation = this.state.results[index]
         const selection = [...this.state.selectedFormations]
@@ -140,62 +177,69 @@
         if (!exists) {
           selection.push(formation)
           this.update({ selectedFormations: selection })
+          localStorage.setItem('selectionFormations', JSON.stringify(selection))
         }
       },
 
-      backToList() {
+      removeFromSelection(id) {
+        const newSelection = []
+
+        for (let i = 0; i < this.state.selectedFormations.length; i++) {
+          const f = this.state.selectedFormations[i]
+
+          if (f.id !== id) {
+            newSelection.push(f)
+          }
+        }
+
         this.update({
-          selected: null
+          selectedFormations: newSelection
         })
+
+        localStorage.setItem('selectionFormations', JSON.stringify(newSelection))
       },
 
-      updateNote(event) {
-        this.update({
-          note: Number(event.target.value)
-        })
+      updateNote(e) {
+        this.update({ note: Number(e.target.value) })
       },
 
-      updateSerie(event) {
-        this.update({
-          serie: event.target.value
-        })
+      updateSerie(e) {
+        this.update({ serie: e.target.value })
       },
 
-      estimateFormation(formation) {
+      updateSort(e) {
+        this.update({ sortBy: e.target.value })
+      },
+
+      getSortedSelection() {
+        const selection = [...this.state.selectedFormations]
+
+        if (this.state.sortBy === 'taux') {
+          selection.sort((a, b) => b.tauxAcces - a.tauxAcces)
+        } else if (this.state.sortBy === 'ville') {
+          selection.sort((a, b) => a.ville.localeCompare(b.ville))
+        } else {
+          selection.sort((a, b) => a.nom.localeCompare(b.nom))
+        }
+
+        return selection
+      },
+
+      estimateFormation(f) {
         let score = 0
 
-        if (formation.tauxAcces >= 50) {
-          score += 2
-        } else if (formation.tauxAcces >= 20) {
-          score += 1
-        }
+        if (f.tauxAcces >= 50) score += 2
+        else if (f.tauxAcces >= 20) score += 1
 
-        if (this.state.note >= 15) {
-          score += 2
-        } else if (this.state.note >= 12) {
-          score += 1
-        }
+        if (this.state.note >= 15) score += 2
+        else if (this.state.note >= 12) score += 1
 
-        if (this.state.serie === 'general' && formation.pctGeneral >= 50) {
-          score += 2
-        }
-
-        if (this.state.serie === 'techno' && formation.pctTechno >= 20) {
-          score += 2
-        }
-
-        if (this.state.serie === 'pro' && formation.pctPro >= 15) {
-          score += 2
-        }
-
-        if (score >= 5) {
-          return 'Favorable'
-        }
-
-        if (score >= 3) {
-          return 'Possible'
-        }
+        if (this.state.serie === 'general' && f.pctGeneral >= 50) score += 2
+        if (this.state.serie === 'techno' && f.pctTechno >= 20) score += 2
+        if (this.state.serie === 'pro' && f.pctPro >= 15) score += 2
 
+        if (score >= 5) return 'Favorable'
+        if (score >= 3) return 'Possible'
         return 'Difficile'
       }
     }
diff --git a/parcoursup/style.css b/parcoursup/style.css
index 296703f..9ee9dc6 100644
--- a/parcoursup/style.css
+++ b/parcoursup/style.css
@@ -74,6 +74,20 @@ body {
     border: none;
     border-top: 1px solid #ddd;
   }
+
+  .compare-controls {
+    display: flex;
+    gap: 20px;
+    flex-wrap: wrap;
+    margin-bottom: 15px;
+  }
+  
+  .compare-controls input,
+  .compare-controls select {
+    padding: 8px;
+    font-size: 14px;
+    min-width: 140px;
+  }
   
   .detail-card h2,
   .detail-card h3 {
@@ -83,7 +97,7 @@ body {
   .detail-card p {
     margin: 8px 0;
   }
-  
+
   .map-box {
     overflow: hidden;
   }
@@ -94,6 +108,20 @@ body {
     border-radius: 6px;
   }
   
+  .compare-controls {
+    display: flex;
+    gap: 20px;
+    flex-wrap: wrap;
+    margin-bottom: 15px;
+  }
+  
+  .compare-controls input,
+  .compare-controls select {
+    padding: 8px;
+    font-size: 14px;
+    min-width: 140px;
+  }
+
   .message {
     padding: 12px;
     background: white;