diff --git a/.playground/pages/composant/selectCheckbox.vue b/.playground/pages/composant/selectCheckbox.vue
new file mode 100644
index 0000000..8652f26
--- /dev/null
+++ b/.playground/pages/composant/selectCheckbox.vue
@@ -0,0 +1,149 @@
+<template>
+  <div class="grid grid-cols-1 items-start gap-6 md:grid-cols-2">
+    <div class="rounded-lg border p-4">
+      <h2 class="mb-4 text-xl font-bold">Simple</h2>
+      <MalioSelectCheckbox
+        v-model="basicValue"
+        :options="options"
+        empty-option-label="Aucune selection"
+      />
+    </div>
+
+    <div class="rounded-lg border p-4">
+      <h2 class="mb-4 text-xl font-bold">Avec label</h2>
+      <MalioSelectCheckbox
+        v-model="labelValue"
+        :options="options"
+        label="Pays"
+        empty-option-label="Aucune selection"
+      />
+    </div>
+
+    <div class="rounded-lg border p-4">
+      <h2 class="mb-4 text-xl font-bold">Valeur preselectionnee</h2>
+      <MalioSelectCheckbox
+        v-model="selectedValue"
+        :options="options"
+        label="Pays"
+        empty-option-label="Aucune selection"
+      />
+    </div>
+
+    <div class="rounded-lg border p-4">
+      <h2 class="mb-4 text-xl font-bold">Hint</h2>
+      <MalioSelectCheckbox
+        v-model="hintValue"
+        :options="options"
+        label="Pays"
+        hint="Choisissez votre pays"
+        empty-option-label="Aucune selection"
+      />
+    </div>
+
+    <div class="rounded-lg border p-4">
+      <h2 class="mb-4 text-xl font-bold">Erreur</h2>
+      <MalioSelectCheckbox
+        v-model="errorValue"
+        :options="options"
+        label="Pays"
+        error="Ce champ est obligatoire"
+        empty-option-label="Aucune selection"
+      />
+    </div>
+
+    <div class="rounded-lg border p-4">
+      <h2 class="mb-4 text-xl font-bold">Succes</h2>
+      <MalioSelectCheckbox
+        v-model="successValue"
+        :options="options"
+        label="Pays"
+        success="Selection validee"
+        empty-option-label="Aucune selection"
+      />
+    </div>
+
+    <div class="rounded-lg border p-4">
+      <h2 class="mb-4 text-xl font-bold">Desactive</h2>
+      <MalioSelectCheckbox
+        v-model="disabledValue"
+        :options="options"
+        label="Pays"
+        disabled
+        empty-option-label="Aucune selection"
+      />
+    </div>
+
+    <div class="rounded-lg border p-4">
+      <h2 class="mb-4 text-xl font-bold">Sans options</h2>
+      <MalioSelectCheckbox
+        v-model="emptyValue"
+        label="Pays"
+        empty-option-label="Aucun pays disponible"
+      />
+    </div>
+
+    <div class="rounded-lg border p-4 md:col-span-2">
+      <h2 class="mb-4 text-xl font-bold">Liste longue</h2>
+      <MalioSelectCheckbox
+        v-model="longListValue"
+        :options="longOptions"
+        label="Pays"
+        hint="Permet de verifier la scrollbar"
+        empty-option-label="Aucune selection"
+      />
+    </div>
+
+    <div class="rounded-lg border p-4 md:col-span-2">
+      <h2 class="mb-4 text-xl font-bold">Ouverture en bas de page</h2>
+      <div class="h-64" />
+      <MalioSelectCheckbox
+        v-model="bottomValue"
+        :options="longOptions"
+        label="Ouverture adaptative"
+        hint="A ouvrir pres du bas de la page"
+        empty-option-label="Aucune selection"
+      />
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import {ref} from 'vue'
+
+const options = [
+  {label: 'France', value: 'fr'},
+  {label: 'Belgique', value: 'be'},
+  {label: 'Suisse', value: 'ch'},
+  {label: 'Canada', value: 'ca'},
+  {label: 'Allemagne', value: 'de'},
+  {label: 'Espagne', value: 'es'},
+  {label: 'Italie', value: 'it'},
+  {label: 'Portugal', value: 'pt'},
+]
+
+const longOptions = [
+  ...options,
+  {label: 'Pays-Bas', value: 'nl'},
+  {label: 'Suede', value: 'se'},
+  {label: 'Norvege', value: 'no'},
+  {label: 'Danemark', value: 'dk'},
+  {label: 'Finlande', value: 'fi'},
+  {label: 'Autriche', value: 'at'},
+  {label: 'Irlande', value: 'ie'},
+  {label: 'Grece', value: 'gr'},
+  {label: 'Pologne', value: 'pl'},
+  {label: 'Hongrie', value: 'hu'},
+  {label: 'Republique tcheque', value: 'cz'},
+]
+
+const basicValue = ref<Array<string | number>>([])
+const labelValue = ref<Array<string | number>>([])
+const selectedValue = ref<Array<string | number>>(['fr'])
+const hintValue = ref<Array<string | number>>([])
+const errorValue = ref<Array<string | number>>([])
+const successValue = ref<Array<string | number>>(['be'])
+const disabledValue = ref<Array<string | number>>(['ca'])
+const emptyValue = ref<Array<string | number>>([])
+const longListValue = ref<Array<string | number>>([])
+const bottomValue = ref<Array<string | number>>([])
+</script>
diff --git a/app/components/malio/SelectCheckbox.test.ts b/app/components/malio/SelectCheckbox.test.ts
new file mode 100644
index 0000000..9ea4e7b
--- /dev/null
+++ b/app/components/malio/SelectCheckbox.test.ts
@@ -0,0 +1,75 @@
+import {describe, expect, it} from 'vitest'
+import {mount} from '@vue/test-utils'
+import type {DefineComponent} from 'vue'
+import SelectCheckbox from './SelectCheckbox.vue'
+
+type Option = {
+  label: string
+  value: string | number
+}
+
+type SelectCheckboxProps = {
+  modelValue: Array<string | number>
+  options?: Option[]
+  emptyOptionLabel?: string
+  label?: string
+  hint?: string
+  error?: string
+  success?: string
+  minWidth?: string
+  maxWidth?: string
+  textField?: string
+  textValue?: string
+  textLabel?: string
+  rounded?: string
+  disabled?: boolean
+}
+
+const SelectCheckboxForTest = SelectCheckbox as DefineComponent<SelectCheckboxProps>
+
+const options: Option[] = [
+  {label: 'France', value: 'fr'},
+  {label: 'Belgique', value: 'be'},
+  {label: 'Canada', value: 'ca'},
+]
+
+describe('MalioSelectCheckbox', () => {
+  it('renders checkbox inputs for options', async () => {
+    const wrapper = mount(SelectCheckboxForTest, {
+      props: {modelValue: [], options},
+    })
+
+    await wrapper.get('button').trigger('click')
+
+    const checkboxes = wrapper.findAll('input[type="checkbox"]')
+    expect(checkboxes).toHaveLength(options.length)
+  })
+
+  it('emits an array with the toggled option value', async () => {
+    const wrapper = mount(SelectCheckboxForTest, {
+      props: {modelValue: ['fr'], options},
+    })
+
+    await wrapper.get('button').trigger('click')
+    const checkboxInputs = wrapper.findAll('input[type="checkbox"]')
+    await checkboxInputs[1].setValue(true)
+
+    expect(wrapper.emitted('update:modelValue')?.[0]).toEqual([['fr', 'be']])
+  })
+
+  it('shows the selected count over the total count in the trigger', () => {
+    const wrapper = mount(SelectCheckboxForTest, {
+      props: {modelValue: ['fr', 'ca'], options},
+    })
+
+    expect(wrapper.text()).toContain('2/3')
+  })
+
+  it('shows 0 over the total count when nothing is selected', () => {
+    const wrapper = mount(SelectCheckboxForTest, {
+      props: {modelValue: [], options},
+    })
+
+    expect(wrapper.text()).toContain('0/3')
+  })
+})
diff --git a/app/components/malio/SelectCheckbox.vue b/app/components/malio/SelectCheckbox.vue
new file mode 100644
index 0000000..0e1fdea
--- /dev/null
+++ b/app/components/malio/SelectCheckbox.vue
@@ -0,0 +1,349 @@
+<template>
+  <div
+    ref="root"
+    class="relative mt-4 w-full"
+    :class="[minWidth, maxWidth]"
+  >
+    <button
+      :id="buttonId"
+      type="button"
+      class="grow-height peer relative w-full border bg-white pl-3 pr-10 py-1 text-left outline-none focus-visible:border-2 focus-visible:border-m-primary"
+      :class="[
+          hasError
+            ? isOpen
+              ? openDirection === 'down'
+                ? 'rounded-b-none !border-2 !border-m-error !border-b-0'
+                : 'rounded-t-none !border-2 !border-m-error !border-t-0'
+              : 'border-m-error'
+            : hasSuccess
+              ? isOpen
+                ? openDirection === 'down'
+                  ? 'rounded-b-none !border-2 !border-m-success !border-b-0'
+                  : 'rounded-t-none !border-2 !border-m-success !border-t-0'
+                : 'border-m-success'
+              : isOpen
+                ? openDirection === 'down'
+                  ? 'rounded-b-none !border-2 !border-m-primary !border-b-0'
+                  : 'rounded-t-none !border-2 !border-m-primary !border-t-0'
+                : isOptionSelected
+                  ? 'border-black'
+                  : 'border-m-muted',
+          disabled ? 'cursor-not-allowed border-m-muted text-black/60' : 'cursor-pointer',
+          label ? 'min-h-[40px]' : 'h-[40px] py-0',
+          rounded,
+          textField,
+  ]"
+      :aria-expanded="isOpen"
+      :aria-controls="listboxId"
+      :aria-invalid="hasError"
+      :aria-describedby="describedBy"
+      :disabled="disabled"
+      @click="toggle"
+    >
+      <label
+        v-if="label"
+        class="floating-label pointer-events-none absolute left-3 inline-block origin-left transition-transform duration-150 font-medium"
+        :class="[
+          isOpen ? 'top-2 z-30' : 'top-1/2 -translate-y-1/2',
+          hasError
+            ? 'text-m-error'
+            : hasSuccess
+              ? 'text-m-success'
+              : isOpen
+                ? 'text-m-primary'
+                : isOptionSelected
+                  ? 'text-black'
+                  : 'text-m-muted',
+          textLabel,
+        ]"
+        :style="labelTransformStyle"
+      >
+        {{ label }}
+      </label>
+
+      <span
+        class="block truncate text-right"
+        :class="[
+          textValue,
+          label ? 'pl-24' : '',
+          isOptionSelected ? 'text-black' : 'text-m-muted'
+        ]"
+      >
+        {{ selectionSummary }}
+      </span>
+
+      <span
+        class="absolute right-3 top-1/2 -translate-y-1/2"
+        :class="[
+          hasError
+            ? 'text-m-error'
+            : hasSuccess
+              ? 'text-m-success'
+              : 'text-current'
+        ]"
+      >
+      <slot name="icon">
+        <IconifyIcon
+          icon="mdi:chevron-down"
+          width="20"
+          class="transition-transform duration-300"
+          :class="isOpen ? 'rotate-180' : 'rotate-0'"
+        />
+      </slot>
+    </span>
+    </button>
+
+    <ul
+      v-if="isOpen"
+      :id="listboxId"
+      ref="listRef"
+      role="listbox"
+      :aria-labelledby="buttonId"
+      class="absolute left-0 right-0 z-20 max-h-60 w-full overflow-auto border-2 bg-white"
+      :class="[
+        openDirection === 'down'
+          ? 'top-[calc(100%-2px)] rounded-b-md border-t-0'
+          : 'bottom-[calc(100%-2px)] rounded-t-md border-b-0',
+        hasError
+          ? 'select-scrollbar-error'
+          : hasSuccess
+            ? 'select-scrollbar-success'
+            : 'select-scrollbar-primary',
+        hasError
+          ? 'border-m-error'
+          : hasSuccess
+            ? 'border-m-success'
+            : 'border-m-primary'
+      ]"
+    >
+      <li
+        v-for="(opt, index) in normalizedOptions"
+        :id="optionId(index)"
+        :key="String(opt.value)"
+        role="option"
+        :aria-selected="isChecked(opt.value)"
+        class="px-3 py-2"
+        :class="[
+            index === activeIndex ? 'bg-m-muted/10' : '',
+            isChecked(opt.value) ? 'bg-m-muted/10 font-semibold' : '',
+            'text-black'
+          ]"
+        @mouseenter="activeIndex = index"
+        @mousedown.prevent
+      >
+        <Checkbox
+          :model-value="isChecked(opt.value)"
+          :label="opt.label || '\u00A0'"
+          :disabled="disabled"
+          group-class="!mt-0"
+          label-class="option-checkbox w-full cursor-pointer"
+          tabindex="-1"
+          @update:model-value="toggleOption(opt.value)"
+        />
+      </li>
+    </ul>
+  </div>
+  <p
+    v-if="hint || hasError || hasSuccess"
+    :id="`${buttonId}-describedby`"
+    :class="[
+      hasError
+        ? 'text-m-error'
+        : hasSuccess
+          ? 'text-m-success'
+          : 'text-m-muted',
+      'mt-1 ml-[2px] text-xs',
+    ]"
+  >
+    {{ error || success || hint }}
+  </p>
+</template>
+
+<script setup lang="ts">
+import {computed, onBeforeUnmount, onMounted, ref, useId, nextTick} from 'vue'
+import {Icon as IconifyIcon} from '@iconify/vue'
+import Checkbox from './Checkbox.vue'
+
+defineOptions({name: 'MalioSelectCheckbox', inheritAttrs: false})
+
+type Option = {
+  label: string;
+  value: string | number
+}
+const props = withDefaults(defineProps<{
+  modelValue: Array<string | number>
+  options?: Option[]
+  emptyOptionLabel?: string
+  label?: string
+  hint?: string
+  error?: string
+  success?: string
+  minWidth?: string
+  maxWidth?: string
+  textField?: string
+  textValue?: string
+  textLabel?: string
+  rounded?: string
+  disabled?: boolean
+}>(), {
+  options: () => [],
+  emptyOptionLabel: '',
+  label: '',
+  hint: '',
+  error: '',
+  success: '',
+  minWidth: 'w-96',
+  maxWidth: '',
+  textField: 'text-lg',
+  textValue: 'text-lg',
+  textLabel: 'text-sm',
+  rounded: 'rounded-md',
+  disabled: false,
+})
+
+const emit = defineEmits<{
+  (e: 'update:modelValue', v: Array<string | number>): void
+}>()
+const root = ref<HTMLElement | null>(null)
+const isOpen = ref(false)
+const activeIndex = ref(-1)
+const openDirection = ref<'down' | 'up'>('down')
+const uid = useId()
+const buttonId = `custom-select-btn-${uid}`
+const listboxId = `custom-select-listbox-${uid}`
+const listRef = ref<HTMLElement | null>(null)
+const listHeight = ref(0)
+const normalizedOptions = computed<Option[]>(() => props.options)
+const hasError = computed(() => !!props.error)
+const hasSuccess = computed(() => !!props.success && !hasError.value)
+const isOptionSelected = computed(() =>
+  props.modelValue.length > 0
+)
+const shouldFloatLabel = computed(() =>
+  isOpen.value
+)
+const selectionSummary = computed(() =>
+  `${props.modelValue.length}/${normalizedOptions.value.length}`
+)
+const describedBy = computed(() =>
+  (hasError.value || hasSuccess.value || !!props.hint) ? `${buttonId}-describedby` : undefined,
+)
+
+function optionId(index: number) {
+  return `custom-select-opt-${uid}-${index}`
+}
+
+function updateOpenDirection() {
+  if (!root.value) return
+
+  const rect = root.value.getBoundingClientRect()
+  const estimatedListHeight = Math.min(normalizedOptions.value.length * 40, 240)
+  const spaceBelow = window.innerHeight - rect.bottom
+  const spaceAbove = rect.top
+
+  openDirection.value =
+    spaceBelow >= estimatedListHeight || spaceBelow >= spaceAbove
+      ? 'down'
+      : 'up'
+}
+
+function open() {
+  updateOpenDirection()
+  isOpen.value = true
+
+  const selectedIndex = normalizedOptions.value.findIndex(o => props.modelValue.includes(o.value))
+  activeIndex.value = selectedIndex >= 0 ? selectedIndex : 0
+
+  nextTick(() => {
+    if (openDirection.value === 'up' && listRef.value) {
+      listHeight.value = listRef.value.offsetHeight
+    } else {
+      listHeight.value = 0
+    }
+  })
+}
+
+const labelTransformStyle = computed(() => {
+  // label non flottant
+  if (!shouldFloatLabel.value) {
+    return {
+      transform: 'translateY(-50%)',
+    }
+  }
+
+  // fermé ou ouverture vers le bas : comportement classique
+  if (!isOpen.value || openDirection.value === 'down') {
+    return {
+      transform: 'translateY(-1.15rem) scale(0.9)',
+    }
+  }
+
+  // ouverture vers le haut : on remonte en fonction de la hauteur de la liste
+  const extraOffset = 8 // marge visuelle au-dessus de la liste en px
+  const total = 4 +listHeight.value + extraOffset
+  // 18 ≈ 1.15rem pour garder la même base que votre flottant actuel
+
+  return {
+    transform: `translateY(-${total}px) scale(0.9)`,
+  }
+})
+
+function close() {
+  isOpen.value = false
+}
+
+function toggle() {
+  if (props.disabled) return
+  if (isOpen.value) {
+    close()
+    return
+  }
+  open()
+}
+
+function isChecked(value: string | number) {
+  return props.modelValue.includes(value)
+}
+
+function toggleOption(value: string | number) {
+  if (isChecked(value)) {
+    emit('update:modelValue', props.modelValue.filter(item => item !== value))
+    return
+  }
+
+  emit('update:modelValue', [...props.modelValue, value])
+}
+
+function onClickOutside(e: MouseEvent) {
+  if (!root.value) return
+  if (!root.value.contains(e.target as Node)) close()
+}
+
+onMounted(() => document.addEventListener('mousedown', onClickOutside))
+onBeforeUnmount(() => document.removeEventListener('mousedown', onClickOutside))
+</script>
+
+<style scoped>
+.floating-label {
+  background: white;
+  padding: 0 0.25rem;
+}
+
+:deep(ul[role="listbox"]) {
+  scrollbar-width: auto;
+  scrollbar-gutter: stable;
+}
+
+:deep(.select-scrollbar-primary) {
+  scrollbar-color: rgb(var(--m-primary)) transparent;
+}
+
+:deep(.select-scrollbar-error) {
+  scrollbar-color: #000000 transparent;
+}
+
+:deep(.select-scrollbar-success) {
+  scrollbar-color: #000000 transparent;
+}
+
+</style>