diff --git a/resources/js/Components/NavigationSidebarItem.vue b/resources/js/Components/NavigationSidebarItem.vue
index 5c2e274c..71e36157 100644
--- a/resources/js/Components/NavigationSidebarItem.vue
+++ b/resources/js/Components/NavigationSidebarItem.vue
@@ -1,35 +1,109 @@
 <script setup lang="ts">
-import type { Component } from 'vue';
-import { Link } from '@inertiajs/vue3';
+import { type Component } from 'vue';
+import NavigationSidebarLink from '@/Components/NavigationSidebarLink.vue';
+import {
+    CollapsibleContent,
+    CollapsibleRoot,
+    CollapsibleTrigger,
+} from 'radix-vue';
+import { useSessionStorage } from '@vueuse/core';
+import { ChevronRightIcon } from '@heroicons/vue/20/solid';
 
-defineProps<{
+const props = defineProps<{
     title: string;
-    icon: Component;
+    icon?: Component;
     current?: boolean;
     href: string;
+    subItems?: { title: string; route: string }[];
 }>();
+
+const open = useSessionStorage('nav-collapse-state-' + props.title, true);
 </script>
 
 <template>
-    <li>
-        <Link
-            :href="href"
-            :class="[
-                current
-                    ? 'bg-menu-active text-white'
-                    : 'text-muted hover:text-white hover:bg-menu-active ',
-                'group flex gap-x-2 rounded-md px-2 py-1.5 transition leading-6 font-semibold text-sm items-center',
-            ]">
-            <component
-                :is="icon"
-                :class="[
-                    current
-                        ? 'text-icon-active'
-                        : 'text-icon-default group-hover:text-icon-active',
-                    'transition h-5 w-5 shrink-0',
-                ]"
-                aria-hidden="true" />
-            {{ title }}
-        </Link>
+    <li class="relative">
+        <NavigationSidebarLink
+            v-if="!subItems"
+            class="py-0.5"
+            :title
+            :icon
+            :current
+            :href></NavigationSidebarLink>
+        <CollapsibleRoot v-model:open="open" v-else
+            ><CollapsibleTrigger class="w-full group py-0.5">
+                <div
+                    class="text-muted group-hover:text-white group-hover:bg-menu-active group flex gap-x-2 rounded-md transition leading-6 py-1 px-2 font-medium text-sm items-center justify-between">
+                    <div class="flex items-center gap-x-2">
+                        <component
+                            v-if="icon"
+                            :is="icon"
+                            :class="[
+                                current
+                                    ? 'text-icon-active'
+                                    : 'text-icon-default group-hover:text-icon-active',
+                                'transition h-5 w-5 shrink-0',
+                            ]"
+                            aria-hidden="true" />
+                        <span>
+                            {{ title }}
+                        </span>
+                    </div>
+
+                    <ChevronRightIcon
+                        :class="[
+                            'w-5 text-text-secondary',
+                            { 'transform rotate-90': open },
+                        ]"></ChevronRightIcon>
+                </div>
+            </CollapsibleTrigger>
+            <CollapsibleContent class="CollapsibleContent">
+                <div class="px-3.5">
+                    <ul
+                        class="flex min-w-0 flex-col border-l border-border-secondary px-3 w-full my-0.5"
+                        v-if="subItems">
+                        <li
+                            v-for="subItem in subItems"
+                            :key="subItem.title"
+                            class="w-full relative">
+                            <NavigationSidebarLink
+                                :title="subItem.title"
+                                :current="route().current(subItem.route)"
+                                :href="
+                                    route(subItem.route)
+                                "></NavigationSidebarLink>
+                        </li>
+                    </ul>
+                </div>
+            </CollapsibleContent>
+        </CollapsibleRoot>
     </li>
 </template>
+<style scoped>
+.CollapsibleContent {
+    overflow: hidden;
+}
+.CollapsibleContent[data-state='open'] {
+    animation: slideDown 300ms ease-out;
+}
+.CollapsibleContent[data-state='closed'] {
+    animation: slideUp 300ms ease-out;
+}
+
+@keyframes slideDown {
+    from {
+        height: 0;
+    }
+    to {
+        height: var(--radix-collapsible-content-height);
+    }
+}
+
+@keyframes slideUp {
+    from {
+        height: var(--radix-collapsible-content-height);
+    }
+    to {
+        height: 0;
+    }
+}
+</style>
diff --git a/resources/js/Components/NavigationSidebarLink.vue b/resources/js/Components/NavigationSidebarLink.vue
new file mode 100644
index 00000000..2f5f74de
--- /dev/null
+++ b/resources/js/Components/NavigationSidebarLink.vue
@@ -0,0 +1,36 @@
+<script setup lang="ts">
+import { Link } from '@inertiajs/vue3';
+import type { Component } from 'vue';
+defineProps<{
+    title: string;
+    icon?: Component;
+    current?: boolean;
+    href: string;
+}>();
+</script>
+
+<template>
+    <Link :href="href" class="block group">
+        <div
+            :class="[
+                current
+                    ? 'bg-menu-active text-white'
+                    : 'text-muted group-hover:text-white group-hover:bg-menu-active ',
+                'group flex gap-x-2 rounded-md transition leading-6 py-1 px-2 font-medium text-sm items-center',
+            ]">
+            <component
+                v-if="icon"
+                :is="icon"
+                :class="[
+                    current
+                        ? 'text-icon-active'
+                        : 'text-icon-default group-hover:text-icon-active',
+                    'transition h-5 w-5 shrink-0',
+                ]"
+                aria-hidden="true" />
+            {{ title }}
+        </div>
+    </Link>
+</template>
+
+<style scoped></style>
diff --git a/resources/js/Layouts/AppLayout.vue b/resources/js/Layouts/AppLayout.vue
index 9f2fb23d..5d42c1a1 100644
--- a/resources/js/Layouts/AppLayout.vue
+++ b/resources/js/Layouts/AppLayout.vue
@@ -114,13 +114,27 @@ const page = usePage<{
                             <NavigationSidebarItem
                                 title="Reporting"
                                 :icon="ChartBarIcon"
+                                :sub-items="[
+                                    {
+                                        title: 'Overview',
+                                        route: 'reporting',
+                                    },
+                                    {
+                                        title: 'Detailed',
+                                        route: 'reporting.detailed',
+                                    },
+                                    {
+                                        title: 'Shared',
+                                        route: 'reporting.shared',
+                                    },
+                                ]"
                                 :current="
                                     route().current('reporting') ||
-                                    route().current('reporting.detailed')
+                                    route().current('reporting.detailed') ||
+                                    route().current('reporting.shared')
                                 "
-                                :href="
-                                    route('reporting')
-                                "></NavigationSidebarItem>
+                                :href="route('reporting')">
+                            </NavigationSidebarItem>
                         </ul>
                     </nav>
 
diff --git a/resources/js/Pages/Reporting.vue b/resources/js/Pages/Reporting.vue
index 27dcef3f..c97b3b38 100644
--- a/resources/js/Pages/Reporting.vue
+++ b/resources/js/Pages/Reporting.vue
@@ -21,10 +21,10 @@ import {
 import { type GroupingOption, useReportingStore } from '@/utils/useReporting';
 import { storeToRefs } from 'pinia';
 import TagDropdown from '@/packages/ui/src/Tag/TagDropdown.vue';
-import { type AggregatedTimeEntriesQueryParams, api } from '@/packages/api/src';
-import type {
-    AggregatedTimeEntriesQueryParams,
-    CreateReportBodyProperties,
+import {
+    type AggregatedTimeEntriesQueryParams,
+    type CreateReportBodyProperties,
+    api,
 } from '@/packages/api/src';
 import ReportingFilterBadge from '@/Components/Common/Reporting/ReportingFilterBadge.vue';
 import ProjectMultiselectDropdown from '@/Components/Common/Project/ProjectMultiselectDropdown.vue';