diff --git a/package-lock.json b/package-lock.json
index d9febb4..4d804e8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -35,6 +35,7 @@
         "npm-run-all2": "^6.1.2",
         "postcss": "^8.4.38",
         "prettier": "^3.0.3",
+        "sass": "^1.72.0",
         "start-server-and-test": "^2.0.3",
         "tailwindcss": "^3.4.3",
         "typescript": "~5.4.0",
@@ -3694,6 +3695,12 @@
         "node": ">= 4"
       }
     },
+    "node_modules/immutable": {
+      "version": "4.3.5",
+      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.5.tgz",
+      "integrity": "sha512-8eabxkth9gZatlwl5TBuJnCsoTADlL6ftEr7A4qgdaTsPyreilDSnUk57SO+jfKcNtxPa22U5KK6DSeAYhpBJw==",
+      "dev": true
+    },
     "node_modules/import-fresh": {
       "version": "3.3.0",
       "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.3.0.tgz",
@@ -5294,6 +5301,23 @@
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
       "dev": true
     },
+    "node_modules/sass": {
+      "version": "1.72.0",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.72.0.tgz",
+      "integrity": "sha512-Gpczt3WA56Ly0Mn8Sl21Vj94s1axi9hDIzDFn9Ph9x3C3p4nNyvsqJoQyVXKou6cBlfFWEgRW4rT8Tb4i3XnVA==",
+      "dev": true,
+      "dependencies": {
+        "chokidar": ">=3.0.0 <4.0.0",
+        "immutable": "^4.0.0",
+        "source-map-js": ">=0.6.2 <2.0.0"
+      },
+      "bin": {
+        "sass": "sass.js"
+      },
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
     "node_modules/semver": {
       "version": "7.6.0",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.6.0.tgz",
diff --git a/package.json b/package.json
index 423abc5..d7bf905 100644
--- a/package.json
+++ b/package.json
@@ -44,6 +44,7 @@
     "npm-run-all2": "^6.1.2",
     "postcss": "^8.4.38",
     "prettier": "^3.0.3",
+    "sass": "^1.72.0",
     "start-server-and-test": "^2.0.3",
     "tailwindcss": "^3.4.3",
     "typescript": "~5.4.0",
diff --git a/src/App.vue b/src/App.vue
index ed2af98..15727d4 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,5 +1,8 @@
 <script setup lang="ts">
+import { useDark } from '@vueuse/core'
 import { RouterView } from 'vue-router'
+
+const dark = useDark()
 </script>
 
 <template>
diff --git a/src/assets/theme.css b/src/assets/theme.css
deleted file mode 100644
index 8816868..0000000
--- a/src/assets/theme.css
+++ /dev/null
@@ -1,86 +0,0 @@
-/* color palette from <https://github.com/vuejs/theme> */
-:root {
-  --vt-c-white: #ffffff;
-  --vt-c-white-soft: #f8f8f8;
-  --vt-c-white-mute: #f2f2f2;
-
-  --vt-c-black: #181818;
-  --vt-c-black-soft: #222222;
-  --vt-c-black-mute: #282828;
-
-  --vt-c-indigo: #2c3e50;
-
-  --vt-c-divider-light-1: rgba(60, 60, 60, 0.29);
-  --vt-c-divider-light-2: rgba(60, 60, 60, 0.12);
-  --vt-c-divider-dark-1: rgba(84, 84, 84, 0.65);
-  --vt-c-divider-dark-2: rgba(84, 84, 84, 0.48);
-
-  --vt-c-text-light-1: var(--vt-c-indigo);
-  --vt-c-text-light-2: rgba(60, 60, 60, 0.66);
-  --vt-c-text-dark-1: var(--vt-c-white);
-  --vt-c-text-dark-2: rgba(235, 235, 235, 0.64);
-}
-
-/* semantic color variables for this project */
-:root {
-  --color-background: var(--vt-c-white);
-  --color-background-soft: var(--vt-c-white-soft);
-  --color-background-mute: var(--vt-c-white-mute);
-
-  --color-border: var(--vt-c-divider-light-2);
-  --color-border-hover: var(--vt-c-divider-light-1);
-
-  --color-heading: var(--vt-c-text-light-1);
-  --color-text: var(--vt-c-text-light-1);
-
-  --section-gap: 160px;
-}
-
-@media (prefers-color-scheme: dark) {
-  :root {
-    --color-background: var(--vt-c-black);
-    --color-background-soft: var(--vt-c-black-soft);
-    --color-background-mute: var(--vt-c-black-mute);
-
-    --color-border: var(--vt-c-divider-dark-2);
-    --color-border-hover: var(--vt-c-divider-dark-1);
-
-    --color-heading: var(--vt-c-text-dark-1);
-    --color-text: var(--vt-c-text-dark-2);
-  }
-}
-
-*,
-*::before,
-*::after {
-  box-sizing: border-box;
-  margin: 0;
-  font-weight: normal;
-}
-
-body {
-  min-height: 100vh;
-  color: var(--color-text);
-  background: var(--color-background);
-  transition:
-    color 0.5s,
-    background-color 0.5s;
-  line-height: 1.6;
-  font-family:
-    Inter,
-    -apple-system,
-    BlinkMacSystemFont,
-    'Segoe UI',
-    Roboto,
-    Oxygen,
-    Ubuntu,
-    Cantarell,
-    'Fira Sans',
-    'Droid Sans',
-    'Helvetica Neue',
-    sans-serif;
-  font-size: 15px;
-  text-rendering: optimizeLegibility;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-}
diff --git a/src/components/CalendarMenu.vue b/src/components/CalendarMenu.vue
deleted file mode 100644
index 8a70e70..0000000
--- a/src/components/CalendarMenu.vue
+++ /dev/null
@@ -1,33 +0,0 @@
-<script lang="ts" setup>
-import { useCalendar } from '@/stores/calendar'
-import { computed } from 'vue'
-
-const { currentConfig, currentDate, getPeriodOfYear } = useCalendar()
-
-const navbarTitle = computed(() => {
-  switch (currentConfig.viewType) {
-    case 'month':
-      return `${currentDate.currentMonthName} ${currentDate.currentYear} ${currentDate.currentPeriodAbbr}`
-
-    case 'year':
-      return `Année ${currentDate.currentYear} ${currentDate.currentPeriodAbbr}`
-
-    case 'decade':
-      return `Années ${Number(currentDate.currentYear)} ${getPeriodOfYear(Number(currentDate.currentYear)).short} - ${Number(currentDate.currentYear) + 10} ${getPeriodOfYear(Number(currentDate.currentYear) + 10).short}`
-
-    case 'century':
-      return `Années ${Number(currentDate.currentYear)} ${getPeriodOfYear(Number(currentDate.currentYear)).short} - ${Number(currentDate.currentYear) + 100} ${getPeriodOfYear(Number(currentDate.currentYear) + 100).short}`
-
-    default:
-      return ''
-  }
-})
-</script>
-
-<template>
-  <header>
-    <h1 class="text-2xl font-bold">
-      {{ navbarTitle }}
-    </h1>
-  </header>
-</template>
diff --git a/src/components/Calendar.vue b/src/components/calendar/Calendar.vue
similarity index 56%
rename from src/components/Calendar.vue
rename to src/components/calendar/Calendar.vue
index d9a3835..4a1ed04 100644
--- a/src/components/Calendar.vue
+++ b/src/components/calendar/Calendar.vue
@@ -5,35 +5,30 @@ import Century from './state/Century.vue'
 import Decade from './state/Decade.vue'
 import Monthly from './state/Monthly.vue'
 import Year from './state/Year.vue'
+import { computed } from 'vue'
 
 const { currentConfig } = useCalendar()
 
-let currentViewComponent: any
+const currentViewComponent = computed(() => {
+  switch (currentConfig.viewType) {
+    case 'month':
+      return Monthly
 
-switch (currentConfig.viewType) {
-  case 'month':
-    currentViewComponent = Monthly
-    break
+    case 'year':
+      return Year
 
-  case 'year':
-    currentViewComponent = Year
-    break
+    case 'decade':
+      return Decade
 
-  case 'decade':
-    currentViewComponent = Decade
-    break
-
-  case 'century':
-    currentViewComponent = Century
-    break
-
-  default:
-    break
-}
+    case 'century':
+    default:
+      return Century
+  }
+})
 </script>
 
 <template>
-  <div>
+  <div class="h-full grid grid-rows-[auto,1fr]">
     <CalendarMenu />
     <component :is="currentViewComponent" />
   </div>
diff --git a/src/components/calendar/CalendarMenu.vue b/src/components/calendar/CalendarMenu.vue
new file mode 100644
index 0000000..57498b7
--- /dev/null
+++ b/src/components/calendar/CalendarMenu.vue
@@ -0,0 +1,41 @@
+<script lang="ts" setup>
+import {
+  Select,
+  SelectContent,
+  SelectGroup,
+  SelectItem,
+  SelectTrigger,
+  SelectValue
+} from '@/components/ui/select'
+import { useCalendar } from '@/stores/calendar'
+
+const { currentConfig, currentDate, viewTypeOptions } = useCalendar()
+</script>
+
+<template>
+  <header class="py-4 border-slate-700 border-b-[1px]">
+    <div class="container">
+      <div class="grid md:grid-cols-12">
+        <div class="md:col-span-9">
+          <h1 class="text-2xl font-bold">
+            {{ currentDate.currentDateTitle }}
+          </h1>
+        </div>
+        <div class="md:col-span-3">
+          <Select v-model="currentConfig.viewType">
+            <SelectTrigger>
+              <SelectValue placeholder="Changer le mode d'affichage" />
+            </SelectTrigger>
+            <SelectContent>
+              <SelectGroup>
+                <SelectItem v-for="(option, index) in viewTypeOptions" :key="index" :value="option">
+                  {{ option }}
+                </SelectItem>
+              </SelectGroup>
+            </SelectContent>
+          </Select>
+        </div>
+      </div>
+    </div>
+  </header>
+</template>
diff --git a/src/components/calendar/CalendarTile.vue b/src/components/calendar/CalendarTile.vue
new file mode 100644
index 0000000..f5660a5
--- /dev/null
+++ b/src/components/calendar/CalendarTile.vue
@@ -0,0 +1,29 @@
+<script lang="ts" setup>
+const props = defineProps<{
+  faded?: boolean
+}>()
+</script>
+
+<template>
+  <div
+    class="tile relative text-xs text-center p-4 border-slate-700"
+    :class="{
+      'text-slate-500': props.faded,
+      'text-slate-300': !props.faded
+    }"
+  >
+    <slot />
+  </div>
+</template>
+
+<style lang="scss" scoped>
+.tile {
+  &:not(:nth-child(10n)) {
+    border-right-width: 1px;
+  }
+
+  &:nth-child(n + 11) {
+    border-top-width: 1px;
+  }
+}
+</style>
diff --git a/src/components/state/Century.vue b/src/components/calendar/state/Century.vue
similarity index 100%
rename from src/components/state/Century.vue
rename to src/components/calendar/state/Century.vue
diff --git a/src/components/state/Decade.vue b/src/components/calendar/state/Decade.vue
similarity index 100%
rename from src/components/state/Decade.vue
rename to src/components/calendar/state/Decade.vue
diff --git a/src/components/calendar/state/Monthly.vue b/src/components/calendar/state/Monthly.vue
new file mode 100644
index 0000000..6d5fa89
--- /dev/null
+++ b/src/components/calendar/state/Monthly.vue
@@ -0,0 +1,21 @@
+<script lang="ts" setup>
+import { computed } from 'vue'
+import { useCalendar } from '@/stores/calendar'
+import CalendarTile from '../CalendarTile.vue'
+
+const { staticConfig } = useCalendar()
+
+const daysPerMonth = computed(() => staticConfig.daysPerMonth)
+</script>
+
+<template>
+  <div class="grid" :class="`grid-cols-10`">
+    <CalendarTile v-for="day in daysPerMonth" :key="day">
+      <span class="font-bold">{{ day }}</span>
+    </CalendarTile>
+
+    <CalendarTile v-for="nextMonthDay in 8" :key="nextMonthDay" faded>
+      <span>{{ nextMonthDay }}</span>
+    </CalendarTile>
+  </div>
+</template>
diff --git a/src/components/state/Year.vue b/src/components/calendar/state/Year.vue
similarity index 100%
rename from src/components/state/Year.vue
rename to src/components/calendar/state/Year.vue
diff --git a/src/components/state/Monthly.vue b/src/components/state/Monthly.vue
deleted file mode 100644
index 6a1ce67..0000000
--- a/src/components/state/Monthly.vue
+++ /dev/null
@@ -1,3 +0,0 @@
-<template>
-  <div>Monthly</div>
-</template>
diff --git a/src/components/ui/button/Button.vue b/src/components/ui/button/Button.vue
new file mode 100644
index 0000000..5cfd668
--- /dev/null
+++ b/src/components/ui/button/Button.vue
@@ -0,0 +1,26 @@
+<script setup lang="ts">
+import type { HTMLAttributes } from 'vue'
+import { Primitive, type PrimitiveProps } from 'radix-vue'
+import { type ButtonVariants, buttonVariants } from '.'
+import { cn } from '@/lib/utils'
+
+interface Props extends PrimitiveProps {
+  variant?: ButtonVariants['variant']
+  size?: ButtonVariants['size']
+  class?: HTMLAttributes['class']
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  as: 'button',
+})
+</script>
+
+<template>
+  <Primitive
+    :as="as"
+    :as-child="asChild"
+    :class="cn(buttonVariants({ variant, size }), props.class)"
+  >
+    <slot />
+  </Primitive>
+</template>
diff --git a/src/components/ui/button/index.ts b/src/components/ui/button/index.ts
new file mode 100644
index 0000000..e18f26b
--- /dev/null
+++ b/src/components/ui/button/index.ts
@@ -0,0 +1,34 @@
+import { type VariantProps, cva } from 'class-variance-authority'
+
+export { default as Button } from './Button.vue'
+
+export const buttonVariants = cva(
+  'inline-flex items-center justify-center whitespace-nowrap rounded-md text-sm font-medium ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50',
+  {
+    variants: {
+      variant: {
+        default: 'bg-primary text-primary-foreground hover:bg-primary/90',
+        destructive:
+          'bg-destructive text-destructive-foreground hover:bg-destructive/90',
+        outline:
+          'border border-input bg-background hover:bg-accent hover:text-accent-foreground',
+        secondary:
+          'bg-secondary text-secondary-foreground hover:bg-secondary/80',
+        ghost: 'hover:bg-accent hover:text-accent-foreground',
+        link: 'text-primary underline-offset-4 hover:underline',
+      },
+      size: {
+        default: 'h-10 px-4 py-2',
+        sm: 'h-9 rounded-md px-3',
+        lg: 'h-11 rounded-md px-8',
+        icon: 'h-10 w-10',
+      },
+    },
+    defaultVariants: {
+      variant: 'default',
+      size: 'default',
+    },
+  },
+)
+
+export type ButtonVariants = VariantProps<typeof buttonVariants>
diff --git a/src/components/ui/select/Select.vue b/src/components/ui/select/Select.vue
new file mode 100644
index 0000000..adc42fd
--- /dev/null
+++ b/src/components/ui/select/Select.vue
@@ -0,0 +1,15 @@
+<script setup lang="ts">
+import type { SelectRootEmits, SelectRootProps } from 'radix-vue'
+import { SelectRoot, useForwardPropsEmits } from 'radix-vue'
+
+const props = defineProps<SelectRootProps>()
+const emits = defineEmits<SelectRootEmits>()
+
+const forwarded = useForwardPropsEmits(props, emits)
+</script>
+
+<template>
+  <SelectRoot v-bind="forwarded">
+    <slot />
+  </SelectRoot>
+</template>
diff --git a/src/components/ui/select/SelectContent.vue b/src/components/ui/select/SelectContent.vue
new file mode 100644
index 0000000..4fe234b
--- /dev/null
+++ b/src/components/ui/select/SelectContent.vue
@@ -0,0 +1,53 @@
+<script setup lang="ts">
+import { type HTMLAttributes, computed } from 'vue'
+import {
+  SelectContent,
+  type SelectContentEmits,
+  type SelectContentProps,
+  SelectPortal,
+  SelectViewport,
+  useForwardPropsEmits,
+} from 'radix-vue'
+import { SelectScrollDownButton, SelectScrollUpButton } from '.'
+import { cn } from '@/lib/utils'
+
+defineOptions({
+  inheritAttrs: false,
+})
+
+const props = withDefaults(
+  defineProps<SelectContentProps & { class?: HTMLAttributes['class'] }>(),
+  {
+    position: 'popper',
+  },
+)
+const emits = defineEmits<SelectContentEmits>()
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props
+
+  return delegated
+})
+
+const forwarded = useForwardPropsEmits(delegatedProps, emits)
+</script>
+
+<template>
+  <SelectPortal>
+    <SelectContent
+      v-bind="{ ...forwarded, ...$attrs }" :class="cn(
+        'relative z-50 max-h-96 min-w-32 overflow-hidden rounded-md border bg-popover text-popover-foreground shadow-md data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2',
+        position === 'popper'
+          && 'data-[side=bottom]:translate-y-1 data-[side=left]:-translate-x-1 data-[side=right]:translate-x-1 data-[side=top]:-translate-y-1',
+        props.class,
+      )
+      "
+    >
+      <SelectScrollUpButton />
+      <SelectViewport :class="cn('p-1', position === 'popper' && 'h-[--radix-select-trigger-height] w-full min-w-[--radix-select-trigger-width]')">
+        <slot />
+      </SelectViewport>
+      <SelectScrollDownButton />
+    </SelectContent>
+  </SelectPortal>
+</template>
diff --git a/src/components/ui/select/SelectGroup.vue b/src/components/ui/select/SelectGroup.vue
new file mode 100644
index 0000000..407d8ad
--- /dev/null
+++ b/src/components/ui/select/SelectGroup.vue
@@ -0,0 +1,19 @@
+<script setup lang="ts">
+import { type HTMLAttributes, computed } from 'vue'
+import { SelectGroup, type SelectGroupProps } from 'radix-vue'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<SelectGroupProps & { class?: HTMLAttributes['class'] }>()
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props
+
+  return delegated
+})
+</script>
+
+<template>
+  <SelectGroup :class="cn('p-1 w-full', props.class)" v-bind="delegatedProps">
+    <slot />
+  </SelectGroup>
+</template>
diff --git a/src/components/ui/select/SelectItem.vue b/src/components/ui/select/SelectItem.vue
new file mode 100644
index 0000000..b102a81
--- /dev/null
+++ b/src/components/ui/select/SelectItem.vue
@@ -0,0 +1,44 @@
+<script setup lang="ts">
+import { type HTMLAttributes, computed } from 'vue'
+import {
+  SelectItem,
+  SelectItemIndicator,
+  type SelectItemProps,
+  SelectItemText,
+  useForwardProps,
+} from 'radix-vue'
+import { Check } from 'lucide-vue-next'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<SelectItemProps & { class?: HTMLAttributes['class'] }>()
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props
+
+  return delegated
+})
+
+const forwardedProps = useForwardProps(delegatedProps)
+</script>
+
+<template>
+  <SelectItem
+    v-bind="forwardedProps"
+    :class="
+      cn(
+        'relative flex w-full cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50',
+        props.class,
+      )
+    "
+  >
+    <span class="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <SelectItemIndicator>
+        <Check class="h-4 w-4" />
+      </SelectItemIndicator>
+    </span>
+
+    <SelectItemText>
+      <slot />
+    </SelectItemText>
+  </SelectItem>
+</template>
diff --git a/src/components/ui/select/SelectItemText.vue b/src/components/ui/select/SelectItemText.vue
new file mode 100644
index 0000000..a0bb5c2
--- /dev/null
+++ b/src/components/ui/select/SelectItemText.vue
@@ -0,0 +1,11 @@
+<script setup lang="ts">
+import { SelectItemText, type SelectItemTextProps } from 'radix-vue'
+
+const props = defineProps<SelectItemTextProps>()
+</script>
+
+<template>
+  <SelectItemText v-bind="props">
+    <slot />
+  </SelectItemText>
+</template>
diff --git a/src/components/ui/select/SelectLabel.vue b/src/components/ui/select/SelectLabel.vue
new file mode 100644
index 0000000..3d45cdb
--- /dev/null
+++ b/src/components/ui/select/SelectLabel.vue
@@ -0,0 +1,13 @@
+<script setup lang="ts">
+import type { HTMLAttributes } from 'vue'
+import { SelectLabel, type SelectLabelProps } from 'radix-vue'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<SelectLabelProps & { class?: HTMLAttributes['class'] }>()
+</script>
+
+<template>
+  <SelectLabel :class="cn('py-1.5 pl-8 pr-2 text-sm font-semibold', props.class)">
+    <slot />
+  </SelectLabel>
+</template>
diff --git a/src/components/ui/select/SelectScrollDownButton.vue b/src/components/ui/select/SelectScrollDownButton.vue
new file mode 100644
index 0000000..54b6c6a
--- /dev/null
+++ b/src/components/ui/select/SelectScrollDownButton.vue
@@ -0,0 +1,24 @@
+<script setup lang="ts">
+import { type HTMLAttributes, computed } from 'vue'
+import { SelectScrollDownButton, type SelectScrollDownButtonProps, useForwardProps } from 'radix-vue'
+import { ChevronDown } from 'lucide-vue-next'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<SelectScrollDownButtonProps & { class?: HTMLAttributes['class'] }>()
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props
+
+  return delegated
+})
+
+const forwardedProps = useForwardProps(delegatedProps)
+</script>
+
+<template>
+  <SelectScrollDownButton v-bind="forwardedProps" :class="cn('flex cursor-default items-center justify-center py-1', props.class)">
+    <slot>
+      <ChevronDown class="h-4 w-4" />
+    </slot>
+  </SelectScrollDownButton>
+</template>
diff --git a/src/components/ui/select/SelectScrollUpButton.vue b/src/components/ui/select/SelectScrollUpButton.vue
new file mode 100644
index 0000000..5535f1c
--- /dev/null
+++ b/src/components/ui/select/SelectScrollUpButton.vue
@@ -0,0 +1,24 @@
+<script setup lang="ts">
+import { type HTMLAttributes, computed } from 'vue'
+import { SelectScrollUpButton, type SelectScrollUpButtonProps, useForwardProps } from 'radix-vue'
+import { ChevronUp } from 'lucide-vue-next'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<SelectScrollUpButtonProps & { class?: HTMLAttributes['class'] }>()
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props
+
+  return delegated
+})
+
+const forwardedProps = useForwardProps(delegatedProps)
+</script>
+
+<template>
+  <SelectScrollUpButton v-bind="forwardedProps" :class="cn('flex cursor-default items-center justify-center py-1', props.class)">
+    <slot>
+      <ChevronUp class="h-4 w-4" />
+    </slot>
+  </SelectScrollUpButton>
+</template>
diff --git a/src/components/ui/select/SelectSeparator.vue b/src/components/ui/select/SelectSeparator.vue
new file mode 100644
index 0000000..5ae593d
--- /dev/null
+++ b/src/components/ui/select/SelectSeparator.vue
@@ -0,0 +1,17 @@
+<script setup lang="ts">
+import { type HTMLAttributes, computed } from 'vue'
+import { SelectSeparator, type SelectSeparatorProps } from 'radix-vue'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<SelectSeparatorProps & { class?: HTMLAttributes['class'] }>()
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props
+
+  return delegated
+})
+</script>
+
+<template>
+  <SelectSeparator v-bind="delegatedProps" :class="cn('-mx-1 my-1 h-px bg-muted', props.class)" />
+</template>
diff --git a/src/components/ui/select/SelectTrigger.vue b/src/components/ui/select/SelectTrigger.vue
new file mode 100644
index 0000000..cfac8eb
--- /dev/null
+++ b/src/components/ui/select/SelectTrigger.vue
@@ -0,0 +1,31 @@
+<script setup lang="ts">
+import { type HTMLAttributes, computed } from 'vue'
+import { SelectIcon, SelectTrigger, type SelectTriggerProps, useForwardProps } from 'radix-vue'
+import { ChevronDown } from 'lucide-vue-next'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<SelectTriggerProps & { class?: HTMLAttributes['class'] }>()
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props
+
+  return delegated
+})
+
+const forwardedProps = useForwardProps(delegatedProps)
+</script>
+
+<template>
+  <SelectTrigger
+    v-bind="forwardedProps"
+    :class="cn(
+      'flex h-10 w-full items-center justify-between rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 [&>span]:line-clamp-1',
+      props.class,
+    )"
+  >
+    <slot />
+    <SelectIcon as-child>
+      <ChevronDown class="w-4 h-4 opacity-50" />
+    </SelectIcon>
+  </SelectTrigger>
+</template>
diff --git a/src/components/ui/select/SelectValue.vue b/src/components/ui/select/SelectValue.vue
new file mode 100644
index 0000000..4bc37dd
--- /dev/null
+++ b/src/components/ui/select/SelectValue.vue
@@ -0,0 +1,11 @@
+<script setup lang="ts">
+import { SelectValue, type SelectValueProps } from 'radix-vue'
+
+const props = defineProps<SelectValueProps>()
+</script>
+
+<template>
+  <SelectValue v-bind="props">
+    <slot />
+  </SelectValue>
+</template>
diff --git a/src/components/ui/select/index.ts b/src/components/ui/select/index.ts
new file mode 100644
index 0000000..b1d89ee
--- /dev/null
+++ b/src/components/ui/select/index.ts
@@ -0,0 +1,11 @@
+export { default as Select } from './Select.vue'
+export { default as SelectValue } from './SelectValue.vue'
+export { default as SelectTrigger } from './SelectTrigger.vue'
+export { default as SelectContent } from './SelectContent.vue'
+export { default as SelectGroup } from './SelectGroup.vue'
+export { default as SelectItem } from './SelectItem.vue'
+export { default as SelectItemText } from './SelectItemText.vue'
+export { default as SelectLabel } from './SelectLabel.vue'
+export { default as SelectSeparator } from './SelectSeparator.vue'
+export { default as SelectScrollUpButton } from './SelectScrollUpButton.vue'
+export { default as SelectScrollDownButton } from './SelectScrollDownButton.vue'
diff --git a/src/main.ts b/src/main.ts
index 615f001..5dcad83 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,5 +1,4 @@
 import './assets/main.css'
-import './assets/theme.css'
 
 import { createApp } from 'vue'
 import { createPinia } from 'pinia'
diff --git a/src/stores/calendar.ts b/src/stores/calendar.ts
index a28a897..9f7b09b 100644
--- a/src/stores/calendar.ts
+++ b/src/stores/calendar.ts
@@ -24,6 +24,7 @@ type CalendarCurrentDate = {
   currentYear: ComputedRef<string | string[]>
   currentPeriod: Ref<LeimPeriod>
   currentPeriodAbbr: Ref<LeimPeriodShort>
+  currentDateTitle: ComputedRef<string>
 }
 
 export const useCalendar = defineStore('calendar', () => {
@@ -63,6 +64,12 @@ export const useCalendar = defineStore('calendar', () => {
   const currentConfig: Ref<CalendarCurrentConfig> = ref({
     viewType: 'month'
   })
+  const viewTypeOptions: Set<CalendarViewType> = new Set<CalendarViewType>([
+    'month',
+    'year',
+    'decade',
+    'century'
+  ])
 
   // Get date from URL params
   const params = useUrlSearchParams('history', {
@@ -105,6 +112,25 @@ export const useCalendar = defineStore('calendar', () => {
     return currentPeriod.value === 'ante' ? 'A.R' : 'N.R'
   })
 
+  const currentDateTitle = computed(() => {
+    switch (currentConfig.value.viewType) {
+      case 'month':
+        return `${currentMonthName.value} ${currentYear.value} ${currentPeriodAbbr.value}`
+
+      case 'year':
+        return `Année ${currentYear.value} ${currentPeriodAbbr.value}`
+
+      case 'decade':
+        return `Années ${Number(currentYear.value)} ${getPeriodOfYear(Number(currentYear.value)).short} - ${Number(currentYear.value) + 10} ${getPeriodOfYear(Number(currentYear.value) + 10).short}`
+
+      case 'century':
+        return `Années ${Number(currentYear.value)} ${getPeriodOfYear(Number(currentYear.value)).short} - ${Number(currentYear.value) + 100} ${getPeriodOfYear(Number(currentYear.value) + 100).short}`
+
+      default:
+        return 'Date inconnue'
+    }
+  })
+
   // Create base config
   const currentDate: CalendarCurrentDate = {
     currentDay,
@@ -112,7 +138,8 @@ export const useCalendar = defineStore('calendar', () => {
     currentMonthName,
     currentYear,
     currentPeriod,
-    currentPeriodAbbr
+    currentPeriodAbbr,
+    currentDateTitle
   }
 
   /**
@@ -198,6 +225,7 @@ export const useCalendar = defineStore('calendar', () => {
 
   return {
     staticConfig,
+    viewTypeOptions,
     currentConfig,
     currentDate,
     params,
diff --git a/src/views/HomeView.vue b/src/views/HomeView.vue
index 401a6c1..d739af9 100644
--- a/src/views/HomeView.vue
+++ b/src/views/HomeView.vue
@@ -1,9 +1,9 @@
 <script lang="ts" setup>
-import Calendar from '@/components/Calendar.vue'
+import Calendar from '@/components/calendar/Calendar.vue'
 </script>
 
 <template>
-  <main class="container h-full grid items-center">
+  <main class="h-full">
     <Calendar />
     <!-- <pre>
       {{ currentDate }}