diff --git a/.playground/pages/composant/form/client.vue b/.playground/pages/composant/form/client.vue
index 3569070..ac6131c 100644
--- a/.playground/pages/composant/form/client.vue
+++ b/.playground/pages/composant/form/client.vue
@@ -77,7 +77,7 @@
           <template #information>
             <div class="grid grid-cols-3 gap-x-[80px] gap-y-8 mt-12 shadow-[0_4px_4px_0_rgba(0,0,0,0.25)] py-4 pl-[28px] pr-[60px]">
               <MalioInputTextArea label="Descritpion" resize="none" groupClass="row-span-2" textInput="h-full"/>
-              <MalioInputText label="Concurrent"/>
+              <MalioInputText v-model="concurrent" label="Concurrent"/>
               <MalioInputText label="Date création"/>
               <MalioInputText label="Nombre de salariés" />
               <MalioInputAmount label="CA"/>
@@ -278,12 +278,40 @@ const onSearchAdresse = async (query: string) => {
 }
 
 const tabsValue = ref('information')
+const concurrent = ref('')
 
-const tabs = [
-  { key: 'information', label: 'Information', icon: 'mdi:account-outline' },
-  { key: 'contacts', label: 'Contacts', icon: 'mdi:account-box-plus-outline' },
-  { key: 'adresses', label: 'Adresses', icon: 'mdi:map-marker-outline' },
-  { key: 'transport', label: 'Transport', icon: 'mdi:truck-delivery-outline' },
-  { key: 'comptabilité', label: 'Comptabilité', icon: 'mdi:bank-circle-outline' },
-]
+const informationValid = computed(() => concurrent.value.trim().length > 0)
+const adressesValid = computed(() => /^\d{5}$/.test(codePostal.value))
+
+const tabs = computed(() => [
+  {
+    key: 'information',
+    label: 'Information',
+    icon: 'mdi:account-outline',
+  },
+  {
+    key: 'contacts',
+    label: 'Contacts',
+    icon: 'mdi:account-box-plus-outline',
+    disabled: !informationValid.value,
+  },
+  {
+    key: 'adresses',
+    label: 'Adresses',
+    icon: 'mdi:map-marker-outline',
+    disabled: !informationValid.value,
+  },
+  {
+    key: 'transport',
+    label: 'Transport',
+    icon: 'mdi:truck-delivery-outline',
+    disabled: !informationValid.value || !adressesValid.value,
+  },
+  {
+    key: 'comptabilité',
+    label: 'Comptabilité',
+    icon: 'mdi:bank-circle-outline',
+    disabled: !informationValid.value || !adressesValid.value,
+  },
+])
 </script>
diff --git a/COMPONENTS.md b/COMPONENTS.md
index b935a52..f45b21d 100644
--- a/COMPONENTS.md
+++ b/COMPONENTS.md
@@ -519,18 +519,42 @@ Navigation par onglets avec contenu dynamique.
 | Prop | Type | Défaut | Description |
 |------|------|--------|-------------|
 | `modelValue` | `string` | `undefined` | Onglet actif (v-model) |
-| `tabs` | `{ key: string, label: string, icon?: string }[]` | **requis** | Liste des onglets |
+| `tabs` | `Tab[]` | **requis** | Liste des onglets (voir type ci-dessous) |
 
-**Events :** `update:modelValue(value: string)`
+Type `Tab` :
+
+| Propriété | Type | Défaut | Description |
+|-----------|------|--------|-------------|
+| `key` | `string` | — | Identifiant unique (utilisé pour le slot et le v-model) |
+| `label` | `string` | — | Texte de l'onglet |
+| `icon` | `string` | — | Nom Iconify (optionnel) |
+| `iconSize` | `string` | `24` | Taille de l'icône |
+| `disabled` | `boolean` | `false` | Onglet désactivé : grisé et non cliquable. Le parent calcule cet état selon sa logique de validation |
+
+**Events :** `update:modelValue(value: string)` — émis uniquement quand l'onglet cible n'est pas `disabled`
 **Slots :** Un slot nommé par `tab.key` pour le contenu de chaque onglet
 
 ```vue
-<MalioTabList v-model="activeTab" :tabs="[{ key: 'infos', label: 'Informations' }, { key: 'docs', label: 'Documents', icon: 'mdi:file' }]">
+<MalioTabList v-model="activeTab" :tabs="tabs">
   <template #infos>Contenu infos</template>
   <template #docs>Contenu docs</template>
 </MalioTabList>
 ```
 
+**Pattern de gating progressif** (déverrouille les onglets quand les précédents sont valides) :
+
+```ts
+const informationValid = computed(() => name.value && email.value)
+const adressesValid = computed(() => /^\d{5}$/.test(codePostal.value))
+
+const tabs = computed(() => [
+  { key: 'information', label: 'Information' },
+  { key: 'contacts', label: 'Contacts', disabled: !informationValid.value },
+  { key: 'adresses', label: 'Adresses', disabled: !informationValid.value },
+  { key: 'transport', label: 'Transport', disabled: !informationValid.value || !adressesValid.value },
+])
+```
+
 ---
 
 ## MalioSidebar
diff --git a/app/components/malio/tab/TabList.test.ts b/app/components/malio/tab/TabList.test.ts
index cbefe27..48874ac 100644
--- a/app/components/malio/tab/TabList.test.ts
+++ b/app/components/malio/tab/TabList.test.ts
@@ -8,6 +8,7 @@ type Tab = {
   key: string
   label: string
   icon?: string
+  disabled?: boolean
 }
 
 type TabListProps = {
@@ -134,4 +135,53 @@ describe('MalioTabList', () => {
     expect(icons[0].props('icon')).toBe('mdi:home')
     expect(icons[1].props('icon')).toBe('mdi:account')
   })
+
+  it('sets disabled attribute and aria-disabled on disabled tabs', () => {
+    const disabledTabs: Tab[] = [
+      {key: 'a', label: 'A'},
+      {key: 'b', label: 'B', disabled: true},
+    ]
+    const wrapper = mountComponent({tabs: disabledTabs})
+    const buttons = wrapper.findAll('[role="tab"]')
+    expect(buttons[1].attributes('disabled')).toBeDefined()
+    expect(buttons[1].attributes('aria-disabled')).toBe('true')
+  })
+
+  it('applies cursor-not-allowed on disabled tabs', () => {
+    const disabledTabs: Tab[] = [
+      {key: 'a', label: 'A'},
+      {key: 'b', label: 'B', disabled: true},
+    ]
+    const wrapper = mountComponent({tabs: disabledTabs})
+    const buttons = wrapper.findAll('[role="tab"]')
+    expect(buttons[1].classes()).toContain('cursor-not-allowed')
+    expect(buttons[1].classes()).not.toContain('hover:text-m-primary/70')
+  })
+
+  it('does not emit update:modelValue when clicking a disabled tab', async () => {
+    const disabledTabs: Tab[] = [
+      {key: 'a', label: 'A'},
+      {key: 'b', label: 'B', disabled: true},
+    ]
+    const wrapper = mountComponent({tabs: disabledTabs, modelValue: 'a'})
+    const buttons = wrapper.findAll('[role="tab"]')
+
+    await buttons[1].trigger('click')
+
+    expect(wrapper.emitted('update:modelValue')).toBeUndefined()
+  })
+
+  it('does not change active tab in uncontrolled mode when clicking disabled tab', async () => {
+    const disabledTabs: Tab[] = [
+      {key: 'a', label: 'A'},
+      {key: 'b', label: 'B', disabled: true},
+    ]
+    const wrapper = mountComponent({tabs: disabledTabs})
+    const buttons = wrapper.findAll('[role="tab"]')
+
+    await buttons[1].trigger('click')
+
+    expect(buttons[0].attributes('aria-selected')).toBe('true')
+    expect(buttons[1].attributes('aria-selected')).toBe('false')
+  })
 })
diff --git a/app/components/malio/tab/TabList.vue b/app/components/malio/tab/TabList.vue
index 7ef58b3..efa4f3d 100644
--- a/app/components/malio/tab/TabList.vue
+++ b/app/components/malio/tab/TabList.vue
@@ -12,12 +12,16 @@
         type="button"
         :aria-selected="activeTab === tab.key"
         :aria-controls="`${componentId}-panel-${tab.key}`"
+        :aria-disabled="!!tab.disabled"
         :tabindex="activeTab === tab.key ? 0 : -1"
+        :disabled="tab.disabled"
         :class="[
-          'flex items-center gap-[18px] text-[24px] font-[600] transition-colors cursor-pointer',
+          'relative flex items-center gap-[18px] text-[24px] font-[600] transition-colors',
           activeTab === tab.key
-            ? 'border-b-2 border-m-primary text-m-primary outline-b'
-            : 'border-transparent text-m-primary/50 hover:text-m-primary/70',
+            ? 'cursor-pointer text-m-primary after:content-[\'\'] after:absolute after:-bottom-[3px] after:left-0 after:right-0 after:h-[3px] after:bg-m-primary'
+            : tab.disabled
+              ? 'cursor-not-allowed text-m-primary/50'
+              : 'cursor-pointer text-m-primary/50 hover:text-m-primary/70',
         ]"
         @click="selectTab(tab.key)"
       >
@@ -54,6 +58,7 @@ type Tab = {
   label: string
   icon?: string
   iconSize?: string
+  disabled?: boolean
 }
 
 const props = withDefaults(defineProps<{
@@ -80,6 +85,8 @@ const activeTab = computed(() =>
 )
 
 function selectTab(key: string) {
+  const tab = props.tabs.find(t => t.key === key)
+  if (tab?.disabled) return
   if (!isControlled.value) {
     localValue.value = key
   }