diff --git a/app.vue b/app.vue
index 696529d..c64da14 100644
--- a/app.vue
+++ b/app.vue
@@ -1,5 +1,6 @@
 <script setup lang="ts">
 import { ConfigProvider } from "radix-vue"
+import { cn } from "./lib/utils";
 
 useHead({
   titleTemplate: (titleChunk) => {
@@ -26,6 +27,8 @@ useHead({
 })
 
 const useIdFunction = () => useId()
+
+const { isSidebarOpened } = storeToRefs(useUiStore())
 </script>
 
 <template>
@@ -34,10 +37,18 @@ const useIdFunction = () => useId()
 
     <NuxtLayout>
       <ConfigProvider :use-id="useIdFunction">
-        <div class="h-full grid grid-cols-[auto_1fr] dark:bg-black transition-colors">
+        <div
+          class="h-full grid md:grid-cols-[auto_1fr] dark:bg-black shadow-body-light dark:shadow-body-dark transition-colors after:absolute after:transition-colors"
+          :class="cn({
+            'max-md:after:bg-transparent': isSidebarOpened,
+            'has-sidebar max-md:after:bg-black/20 md:after:opacity-0 md:after:pointer-events-none': isSidebarOpened
+          })"
+        >
           <Sidebar />
 
-          <div class="wrapper max-h-screen shadow-body-light dark:shadow-body-dark transition-all">
+          <div
+            class="wrapper max-h-screen transition-all"
+          >
             <NuxtPage />
           </div>
         </div>
@@ -54,4 +65,17 @@ const useIdFunction = () => useId()
 .wrapper > * {
   height: 100%;
 }
+
+.has-sidebar {
+  position: relative;
+  isolation: isolate;
+
+  &::after {
+    content: '';
+    display: block;
+    position: fixed;
+    inset: 0;
+    z-index: 30;
+  }
+}
 </style>
diff --git a/components/calendar/SearchCTA.vue b/components/calendar/SearchCTA.vue
index 905a297..8337b35 100644
--- a/components/calendar/SearchCTA.vue
+++ b/components/calendar/SearchCTA.vue
@@ -2,7 +2,7 @@
 import { breakpointsTailwind, useBreakpoints } from "@vueuse/core"
 import { PhMagnifyingGlass } from "@phosphor-icons/vue"
 
-const { revealAdvancedSearch, } = useCalendar()
+const { revealAdvancedSearch } = useCalendar()
 
 const breakpoints = useBreakpoints(
   breakpointsTailwind
diff --git a/components/calendar/menu/Menu.vue b/components/calendar/menu/Menu.vue
index cf95625..e92f533 100644
--- a/components/calendar/menu/Menu.vue
+++ b/components/calendar/menu/Menu.vue
@@ -16,7 +16,10 @@ const { isReadOnly, defaultDate } = storeToRefs(useCalendar())
         <li>
           <LazyCalendarDialogQuickCreateEvent v-if="!isReadOnly" />
         </li>
-        <li>
+        <li class="md:hidden">
+          <SidebarToggle />
+        </li>
+        <li class="max-md:hidden">
           <LazyCalendarMenuToday v-if="defaultDate" />
         </li>
         <li class="ml-4">
diff --git a/components/calendar/menu/MenuSubnav.vue b/components/calendar/menu/MenuSubnav.vue
index f1912d6..1bdb689 100644
--- a/components/calendar/menu/MenuSubnav.vue
+++ b/components/calendar/menu/MenuSubnav.vue
@@ -139,7 +139,7 @@ function toFutureFar(): void {
 
 <template>
   <div class="flex gap-2">
-    <div class="grid items-end w-40 px-4 py-2 bg-white dark:bg-black border-border border-x-[1px] border-t-[1px] rounded-t-sm text-sm transition-colors">
+    <div class="grid items-center w-40 px-3 md:px-4 py-2 bg-white dark:bg-black border-border border-x-[1px] border-t-[1px] rounded-t-sm text-sm max-md:text-xs transition-colors">
       <ClientOnly>
         <span>{{ currentDate.currentDateTitle }}</span>
 
diff --git a/components/global/sidebar/Sidebar.vue b/components/global/sidebar/Sidebar.vue
index 895539f..1cbe954 100644
--- a/components/global/sidebar/Sidebar.vue
+++ b/components/global/sidebar/Sidebar.vue
@@ -1,9 +1,11 @@
 <script lang="ts" setup>
-import { PhCompass, PhGlobeHemisphereEast, PhHurricane, PhList } from "@phosphor-icons/vue"
+import { PhCompass, PhGlobeHemisphereEast, PhHurricane, PhX } from "@phosphor-icons/vue"
 import type { SidebarMenuActionType, SidebarMenuIcon } from "./SidebarProps";
+import { cn } from "~/lib/utils";
 
 const { revealAdvancedSearch } = useCalendar()
-const { currentMenu } = storeToRefs(useUiStore())
+const { toggleSidebar } = useUiStore()
+const { currentMenu, isSidebarOpened } = storeToRefs(useUiStore())
 
 function handleMenuItemAction(actionType: SidebarMenuActionType) {
   if (actionType === "event-search") {
@@ -21,14 +23,32 @@ function computeMenuItemIcon(iconString: SidebarMenuIcon) {
       return PhCompass
   }
 }
+
+// const sidebarRef = ref(null)
+
+// onClickOutside(sidebarRef, () => {
+//   isSidebarOpened.value = false
+// })
 </script>
 
 <template>
-  <nav class="w-16 py-6 border-r-[1px] bg-indigo-700 dark:bg-black text-white border-r-indigo-700 dark:border-r-indigo-950 grid grid-rows-[1fr_auto] justify-center transition-colors after:opacity-50 after:contrast-125 dark:after:opacity-75 dark:after:contrast-175 after:-hue-rotate-60">
+  <nav
+    ref="sidebarRef"
+    :class="cn(
+      ['md:relative md:isolate w-16 py-6 grid grid-rows-[1fr_auto] justify-center transition-all'], // Base appearance
+      ['after:opacity-50 after:contrast-125 dark:after:opacity-75 dark:after:contrast-175 after:-hue-rotate-60'], // After styling
+      ['border-r-[1px] bg-indigo-700 dark:bg-black text-white border-r-indigo-700 dark:border-r-indigo-950 shadow-navbar-light dark:shadow-navbar-dark'], // Colours
+      ['max-md:absolute max-md:left-0 max-md:inset-0 max-md:z-50'], // Responsive behaviours
+      {
+        'max-md:-translate-x-16': !isSidebarOpened,
+        'max-md:-translate-x-0 shadow-navbar-dark dark:bg-slate-950': isSidebarOpened
+      }
+    )"
+  >
     <menu class="flex flex-col gap-4">
       <li class="mb-12">
-        <UiButton variant="ghost" size="icon" class="rounded-full" @click="console.log">
-          <PhList size="27" />
+        <UiButton variant="ghost" size="icon" class="rounded-full" @click="toggleSidebar">
+          <PhX size="24" />
         </UiButton>
       </li>
 
@@ -86,15 +106,14 @@ function computeMenuItemIcon(iconString: SidebarMenuIcon) {
       </ClientOnly>
     </menu>
 
-    <UserCTA />
+    <div ref="userMenuRef">
+      <UserCTA />
+    </div>
   </nav>
 </template>
 
 <style lang="scss" scoped>
 nav {
-  position: relative;
-  isolation: isolate;
-
   &::after {
     display: block;
     content: '';
diff --git a/components/global/sidebar/SidebarToggle.vue b/components/global/sidebar/SidebarToggle.vue
new file mode 100644
index 0000000..4f03b42
--- /dev/null
+++ b/components/global/sidebar/SidebarToggle.vue
@@ -0,0 +1,15 @@
+<script lang="ts" setup>
+import { PhList } from "@phosphor-icons/vue"
+
+const { toggleSidebar } = useUiStore()
+</script>
+
+<template>
+  <UiButton
+    size="icon"
+    variant="outline"
+    @click="toggleSidebar"
+  >
+    <PhList size="19" weight="light" />
+  </UiButton>
+</template>
diff --git a/stores/UiStore.ts b/stores/UiStore.ts
index 6fea08c..11ef82a 100644
--- a/stores/UiStore.ts
+++ b/stores/UiStore.ts
@@ -1,7 +1,13 @@
+import { breakpointsTailwind } from "@vueuse/core"
 import type { SidebarMenuItem } from "~/components/global/sidebar/SidebarProps"
 
+const breakpoints = useBreakpoints(
+  breakpointsTailwind
+)
+
 export const useUiStore = defineStore("ui", () => {
-  const currentMenu: Ref<SidebarMenuItem[]> = ref<SidebarMenuItem[]>([])
+  const currentMenu = ref<SidebarMenuItem[]>([])
+  const isSidebarOpened = ref<boolean>(false)
 
   function setCurrentMenu(items: SidebarMenuItem[]) {
     currentMenu.value = items
@@ -11,9 +17,35 @@ export const useUiStore = defineStore("ui", () => {
     currentMenu.value = []
   }
 
+  function openSidebar() {
+    if (breakpoints.isGreater("md")) return
+
+    isSidebarOpened.value = true
+  }
+
+  function closeSidebar() {
+    if (breakpoints.isGreater("md")) return
+
+    isSidebarOpened.value = false
+  }
+
+  function toggleSidebar() {
+    if (breakpoints.isGreater("md")) return
+
+    isSidebarOpened.value = !isSidebarOpened.value
+  }
+
+  watch(breakpoints.md, () => {
+    isSidebarOpened.value = false
+  })
+
   return {
     currentMenu,
     setCurrentMenu,
-    resetMenu
+    resetMenu,
+    isSidebarOpened,
+    openSidebar,
+    closeSidebar,
+    toggleSidebar
   }
 })
diff --git a/tailwind.config.js b/tailwind.config.js
index 81b1c27..d25b7e0 100644
--- a/tailwind.config.js
+++ b/tailwind.config.js
@@ -66,6 +66,8 @@ module.exports = {
       boxShadow: {
         "body-dark": "hsla(250, 50%, 10%, 0.75) 0 0 32px 2px inset",
         "body-light": "hsl(250, 60%, 85%) 0 0 18px 3px inset",
+        "navbar-dark": "hsla(250, 50%, 10%, 0.75) 0 0 32px 2px",
+        "navbar-light": "hsl(250, 60%, 85%) 0 0 18px 3px",
       },
       borderRadius: {
         xl: "calc(var(--radius) + 4px)",