diff --git a/changes/changelog.d/2090.feature b/changes/changelog.d/2090.feature
new file mode 100644
index 000000000..993264243
--- /dev/null
+++ b/changes/changelog.d/2090.feature
@@ -0,0 +1 @@
+Improve mobile design (#2090)
diff --git a/front/src/App.vue b/front/src/App.vue
index cec2b1960..a30cba419 100644
--- a/front/src/App.vue
+++ b/front/src/App.vue
@@ -1,26 +1,32 @@
 <script setup lang="ts">
-import type { QueueTrack } from '~/composables/audio/queue'
+import { watchEffect, computed, onMounted, nextTick } from 'vue'
 
-import { useIntervalFn, useStyleTag, useToggle, useWindowSize } from '@vueuse/core'
-import { computed, nextTick, onMounted, watchEffect, defineAsyncComponent } from 'vue'
-
-import { useQueue } from '~/composables/audio/queue'
+import { type QueueTrack, useQueue } from '~/composables/audio/queue'
 import { useStore } from '~/store'
-
-import onKeyboardShortcut from '~/composables/onKeyboardShortcut'
 import useLogger from '~/composables/useLogger'
+import { useStyleTag, useIntervalFn } from '@vueuse/core'
+import { color } from '~/composables/color'
 
 import { generateTrackCreditStringFromQueue } from '~/utils/utils'
 
-const ChannelUploadModal = defineAsyncComponent(() => import('~/components/channels/UploadModal.vue'))
-const PlaylistModal = defineAsyncComponent(() => import('~/components/playlists/PlaylistModal.vue'))
-const FilterModal = defineAsyncComponent(() => import('~/components/moderation/FilterModal.vue'))
-const ReportModal = defineAsyncComponent(() => import('~/components/moderation/ReportModal.vue'))
-const ServiceMessages = defineAsyncComponent(() => import('~/components/ServiceMessages.vue'))
-const ShortcutsModal = defineAsyncComponent(() => import('~/components/ShortcutsModal.vue'))
-const AudioPlayer = defineAsyncComponent(() => import('~/components/audio/Player.vue'))
-const Sidebar = defineAsyncComponent(() => import('~/components/Sidebar.vue'))
-const Queue = defineAsyncComponent(() => import('~/components/Queue.vue'))
+import PlaylistModal from '~/components/playlists/PlaylistModal.vue'
+import FilterModal from '~/components/moderation/FilterModal.vue'
+import ReportModal from '~/components/moderation/ReportModal.vue'
+import ServiceMessages from '~/components/ServiceMessages.vue'
+import AudioPlayer from '~/components/audio/Player.vue'
+import Queue from '~/components/Queue.vue'
+import Sidebar from '~/ui/components/Sidebar.vue'
+import ShortcutsModal from '~/ui/modals/Shortcuts.vue'
+import LanguagesModal from '~/ui/modals/Language.vue'
+import SearchModal from '~/ui/modals/Search.vue'
+import UploadModal from '~/ui/modals/Upload.vue'
+import Loader from '~/components/ui/Loader.vue'
+
+// Fake content
+onMounted(async () => {
+  await nextTick()
+  document.getElementById('fake-app')?.remove()
+})
 
 const logger = useLogger()
 logger.debug('App setup()')
@@ -28,7 +34,7 @@ logger.debug('App setup()')
 const store = useStore()
 
 // Tracks
-const { currentTrack, tracks } = useQueue()
+const { currentTrack } = useQueue()
 const getTrackInformationText = (track: QueueTrack | undefined) => {
   if (!track) {
     return null
@@ -50,10 +56,6 @@ watchEffect(() => {
 })
 
 // Styles
-const customStylesheets = computed(() => {
-  return store.state.instance.frontSettings.additionalStylesheets ?? []
-})
-
 useStyleTag(computed(() => store.state.instance.settings.ui.custom_css.value))
 
 // Fake content
@@ -68,63 +70,74 @@ useIntervalFn(() => {
   store.commit('ui/computeLastDate')
 }, 1000 * 60)
 
-// Shortcuts
-const [showShortcutsModal, toggleShortcutsModal] = useToggle(false)
-onKeyboardShortcut('h', () => toggleShortcutsModal())
-
-const { width } = useWindowSize()
-
 // Fetch user data on startup
 // NOTE: We're not checking if we're authenticated in the store,
 //       because we want to learn if we are authenticated at all
 store.dispatch('auth/fetchUser')
+
 </script>
 
 <template>
-  <div
-    :key="store.state.instance.instanceUrl"
-    :class="{
-      'has-bottom-player': tracks.length > 0,
-      'queue-focused': store.state.ui.queueFocused
-    }"
-  >
-    <!-- here, we display custom stylesheets, if any -->
-    <link
-      v-for="url in customStylesheets"
-      :key="url"
-      rel="stylesheet"
-      property="stylesheet"
-      :href="url"
+  <div class="funkwhale responsive">
+    <Sidebar />
+    <RouterView
+      v-slot="{ Component }"
+      v-bind="color({}, ['default', 'solid'])()"
+      :class="$style.layout"
     >
-
-    <sidebar
-      :width="width"
-      @show:shortcuts-modal="toggleShortcutsModal"
-    />
-    <service-messages />
-    <transition name="queue">
-      <queue v-show="store.state.ui.queueFocused" />
-    </transition>
-
-    <router-view v-slot="{ Component }">
-      <template v-if="Component">
-        <keep-alive :max="1">
+      <Transition
+        v-if="Component"
+        name="main"
+        mode="out-in"
+      >
+        <KeepAlive :max="10">
           <Suspense>
             <component :is="Component" />
             <template #fallback>
-              <!-- TODO (wvffle): Add loader -->
-              {{ $t('App.loading') }}
+              <Loader />
             </template>
           </Suspense>
-        </keep-alive>
-      </template>
-    </router-view>
-
-    <audio-player />
-    <playlist-modal v-if="store.state.auth.authenticated" />
-    <channel-upload-modal v-if="store.state.auth.authenticated" />
-    <filter-modal v-if="store.state.auth.authenticated" />
-    <report-modal />
-    <shortcuts-modal v-model:show="showShortcutsModal" />
+        </KeepAlive>
+      </Transition>
+      <transition name="queue">
+        <Queue v-show="store.state.ui.queueFocused" />
+      </transition>
+    </RouterView>
   </div>
+  <AudioPlayer
+    class="funkwhale"
+    v-bind="color({}, ['default', 'solid'])()"
+  />
+  <ServiceMessages />
+  <LanguagesModal />
+  <ShortcutsModal />
+  <PlaylistModal v-if="store.state.auth.authenticated" />
+  <FilterModal v-if="store.state.auth.authenticated" />
+  <ReportModal />
+  <UploadModal v-if="store.state.auth.authenticated" />
+  <SearchModal />
 </template>
+
+<style scoped lang="scss">
+.responsive {
+  display: grid !important;
+  grid-template-rows: min-content;
+  min-height: calc(100vh - 64px);
+
+  @media screen and (min-width: 1024px) {
+    grid-template-columns: 300px 1fr;
+    grid-template-rows: 100% 0 0;
+  }
+}
+</style>
+<style>
+  /* Make inert pages (behind modals) unscrollable */
+  body:has(#app[inert="true"]) {
+    overflow:hidden;
+  }
+</style>
+<style module>
+  .layout {
+    padding: 32px;
+  }
+</style>
diff --git a/front/src/composables/audio/queue.ts b/front/src/composables/audio/queue.ts
index 108eeddaf..1481c0d3e 100644
--- a/front/src/composables/audio/queue.ts
+++ b/front/src/composables/audio/queue.ts
@@ -111,6 +111,9 @@ export const useQueue = createGlobalState(() => {
       const { uploads } = await axios.get(`tracks/${track.id}/`)
         .then(response => response.data as Track, () => ({ uploads: [] as Upload[] }))
 
+      // TODO: Either make `track` a writable ref or implement the client/cache model
+      // See Issue: https://dev.funkwhale.audio/funkwhale/funkwhale/-/issues/2437
+      // @ts-expect-error `track` is read-only
       track.uploads = uploads
     }
 
@@ -123,11 +126,11 @@ export const useQueue = createGlobalState(() => {
       artistId: (track.artist_credit && track.artist_credit[0] && track.artist_credit[0].artist.id) ?? -1,
       albumId: track.album?.id ?? -1,
       coverUrl: (
-        (track.cover?.urls)
-        || (track.album?.cover?.urls)
-        || ((track.artist_credit && track.artist_credit[0] && track.artist_credit[0].artist && track.artist_credit[0].artist.cover?.urls))
-        || {}
-      )?.original ?? new URL('../../assets/audio/default-cover.png', import.meta.url).href,
+        track.cover?.urls.original
+        || track.album?.cover?.urls.original
+        || track.artist_credit?.[0]?.artist.cover?.urls.original
+        || new URL('../../assets/audio/default-cover.png', import.meta.url).href
+      ).toString(),
       sources: track.uploads.map(upload => ({
         uuid: upload.uuid,
         duration: upload.duration,
diff --git a/front/src/router/index.ts b/front/src/router/index.ts
index ce71293fa..c39644cd8 100644
--- a/front/src/router/index.ts
+++ b/front/src/router/index.ts
@@ -1,6 +1,17 @@
+import { useLocalStorage } from '@vueuse/core'
 import { createRouter, createWebHistory } from 'vue-router'
 import { forceInstanceChooser } from './guards'
-import routes from './routes'
+
+import routesV1 from './routes'
+import routesV2 from '~/ui/routes'
+
+// TODO:
+// Research...
+// - "What is the use case for this toggle?"
+// - "Is Local Storage (persistence on a specific browser
+//    on a specific machine) the right place?"
+const isUIv2 = useLocalStorage('ui-v2', true)
+const routes = isUIv2.value ? routesV2 : routesV1
 
 const router = createRouter({
   history: createWebHistory(import.meta.env.VUE_APP_ROUTER_BASE_URL as string ?? '/'),
diff --git a/front/src/ui/components/Sidebar.vue b/front/src/ui/components/Sidebar.vue
new file mode 100644
index 000000000..640164d0e
--- /dev/null
+++ b/front/src/ui/components/Sidebar.vue
@@ -0,0 +1,473 @@
+<script setup lang="ts">
+import { ref, onMounted, watch, computed, nextTick } from 'vue'
+import { useUploadsStore } from '../stores/upload'
+import { useI18n } from 'vue-i18n'
+import { useStore } from '~/store'
+import { useModal } from '~/ui/composables/useModal.ts'
+
+import onKeyboardShortcut from '~/composables/onKeyboardShortcut'
+
+import Logo from '~/components/Logo.vue'
+import Input from '~/components/ui/Input.vue'
+import Link from '~/components/ui/Link.vue'
+import UserMenu from './UserMenu.vue'
+import Popover from '~/components/ui/Popover.vue'
+import PopoverItem from '~/components/ui/popover/PopoverItem.vue'
+import Button from '~/components/ui/Button.vue'
+import Layout from '~/components/ui/Layout.vue'
+import Spacer from '~/components/ui/Spacer.vue'
+import { useRoute } from 'vue-router'
+
+const isCollapsed = ref(true)
+
+const route = useRoute()
+watch(() => route.path, () => isCollapsed.value = true)
+
+// Hide the fake app when the real one is loaded
+onMounted(() => {
+  document.getElementById('fake-app')?.remove()
+})
+
+const { t } = useI18n()
+const { value: searchParameter } = useModal('search')
+
+const store = useStore()
+const uploads = useUploadsStore()
+const logoUrl = computed(() => store.state.auth.authenticated ? 'library.index' : 'index')
+
+const isOpen = ref(false)
+
+// Search bar focus
+
+const isFocusingSearch = ref<true | undefined>(undefined)
+const focusSearch = () => {
+  isFocusingSearch.value = undefined
+  nextTick(() => {
+    isFocusingSearch.value = true
+  })
+}
+onKeyboardShortcut(['shift', 'f'], focusSearch, true)
+onKeyboardShortcut(['ctrl', 'k'], focusSearch, true)
+onKeyboardShortcut(['/'], focusSearch, true)
+
+// Admin notifications
+
+const moderationNotifications = computed(() =>
+  store.state.ui.notifications.pendingReviewEdits
+    + store.state.ui.notifications.pendingReviewReports
+    + store.state.ui.notifications.pendingReviewRequests
+)
+</script>
+
+<template>
+  <Layout
+    aside
+    default
+    raised
+    solid
+    gap-12
+    :class="[$style.sidebar, $style['sticky-content']]"
+  >
+    <Layout
+      header
+      flex
+      no-gap
+      style="justify-content:space-between; align-items:center; padding-right:8px;"
+    >
+      <Link
+        :to="{name: logoUrl}"
+        :class="$style['logo']"
+      >
+        <i>
+          <Logo />
+          <span class="visually-hidden">{{ t('components.Sidebar.link.home') }}</span>
+        </i>
+      </Link>
+
+      <Layout
+        nav
+        gap-8
+        flex
+        style="align-items: center;"
+      >
+        <Popover
+          v-if="store.state.auth.availablePermissions['settings'] || store.state.auth.availablePermissions['moderation']"
+          v-model="isOpen"
+          raised
+        >
+          <Button
+            v-if="store.state.auth.availablePermissions['settings'] || store.state.auth.availablePermissions['moderation']"
+            round
+            square-small
+            ghost
+            icon="bi-wrench"
+            :aria-pressed="isOpen ? true : undefined"
+            @click="isOpen = !isOpen"
+          >
+            <div
+              v-if="moderationNotifications > 0"
+              :class="['ui', 'accent', 'mini', 'bottom floating', 'circular', 'label']"
+            >
+              {{ moderationNotifications }}
+            </div>
+          </Button>
+          <template #items>
+            <PopoverItem
+              v-if="store.state.auth.availablePermissions['library']"
+              :to="{name: 'manage.library.edits', query: {q: 'is_approved:null'}}"
+              icon="bi-music-note-beamed"
+            >
+              {{ t('components.Sidebar.link.library') }}
+              <div
+                v-if="store.state.ui.notifications.pendingReviewEdits > 0"
+                :title="t('components.Sidebar.label.edits')"
+                :class="['ui', 'circular', 'mini', 'right floated', 'accent', 'label']"
+              >
+                {{ store.state.ui.notifications.pendingReviewEdits }}
+              </div>
+            </PopoverItem>
+
+            <PopoverItem
+              v-if="store.state.auth.availablePermissions['moderation']"
+              :to="{name: 'manage.moderation.reports.list', query: {q: 'resolved:no'}}"
+              icon="bi-megaphone-fill"
+            >
+              {{ t('components.Sidebar.link.moderation') }}
+              <div
+                v-if="store.state.ui.notifications.pendingReviewReports + store.state.ui.notifications.pendingReviewRequests > 0"
+                :title="t('components.Sidebar.label.reports')"
+                :class="['ui', 'circular', 'mini', 'right floated', 'accent', 'label']"
+              >
+                {{ store.state.ui.notifications.pendingReviewReports + store.state.ui.notifications.pendingReviewRequests }}
+              </div>
+            </PopoverItem>
+
+            <PopoverItem
+              v-if="store.state.auth.availablePermissions['settings']"
+              :to="{name: 'manage.users.users.list'}"
+              icon="bi-people-fill"
+            >
+              {{ t('components.Sidebar.link.users') }}
+            </PopoverItem>
+
+            <PopoverItem
+              v-if="store.state.auth.availablePermissions['settings']"
+              :to="{path: '/manage/settings'}"
+              icon="bi-wrench"
+            >
+              {{ t('components.Sidebar.link.settings') }}
+            </PopoverItem>
+          </template>
+        </Popover>
+
+        <Link
+          v-if="store.state.auth.authenticated"
+          round
+          square-small
+          icon="bi-upload"
+          ghost
+          :to="useModal('upload').to"
+        >
+          <Transition>
+            <div
+              v-if="uploads.currentIndex < uploads.queue.length"
+              :class="$style['upload-progress']"
+            >
+              <div :class="[$style.progress, $style.fake]" />
+              <div
+                :class="$style.progress"
+                :style="{ maxWidth: `${uploads.progress}%` }"
+              />
+            </div>
+          </Transition>
+        </Link>
+
+        <UserMenu />
+
+        <Button
+          round
+          ghost
+          square-small
+          icon="bi-list large"
+          class="hide-on-desktop"
+          :class="$style.menu"
+          :aria-pressed="isCollapsed ? undefined : true"
+          @click="isCollapsed=!isCollapsed"
+        />
+      </Layout>
+    </Layout>
+    <Layout
+      no-gap
+      stack
+      :class="[$style['menu-links'], isCollapsed && 'hide-on-mobile']"
+    >
+      <Input
+        :key="isFocusingSearch ? 1 : 0"
+        v-model="searchParameter"
+        :autofocus="isFocusingSearch"
+        raised
+        autocomplete="search"
+        type="search"
+        icon="bi-search"
+        :placeholder="t('components.audio.SearchBar.placeholder.search')"
+      />
+
+      <Spacer />
+
+      <!-- Sign up, Log in -->
+      <div
+        v-if="!store.state.auth.authenticated"
+        style="display: contents;"
+      >
+        <Layout
+          flex
+          gap-16
+        >
+          <Link
+            :to="{ name: 'login' }"
+            solid
+            auto
+            grow
+            icon="bi-box-arrow-in-right"
+            class="active"
+          >
+            {{ t('components.common.UserMenu.link.login') }}
+          </Link>
+          <Link
+            :to="{ name: 'signup' }"
+            default
+            solid
+            auto
+            grow
+            icon="bi-person-square"
+          >
+            {{ t('components.common.UserMenu.link.signup') }}
+          </Link>
+        </Layout>
+        <Spacer grow />
+      </div>
+
+      <nav style="display:grid;">
+        <Link
+          to="/library"
+          ghost
+          full
+          align-text="start"
+          icon="bi-compass"
+          thick-when-active
+        >
+          {{ t('components.Sidebar.header.explore') }}
+        </Link>
+
+        <Link
+          to="/library/artists"
+          ghost
+          full
+          align-text="start"
+          thin-font
+          icon="bi-person-circle"
+          thick-when-active
+        >
+          {{ t('components.Sidebar.link.artists') }}
+        </Link>
+
+        <Link
+          to="/library/channels"
+          ghost
+          full
+          align-text="start"
+          thin-font
+          icon="bi-person-square"
+          thick-when-active
+        >
+          {{ t('components.Sidebar.link.channels') }}
+        </Link>
+
+        <Link
+          to="/library/albums"
+          ghost
+          full
+          align-text="start"
+          thin-font
+          icon="bi-disc"
+          thick-when-active
+        >
+          {{ t('components.Sidebar.link.albums') }}
+        </Link>
+
+        <Link
+          to="/library/playlists"
+          ghost
+          full
+          align-text="start"
+          thin-font
+          icon="bi-music-note-list"
+          thick-when-active
+        >
+          {{ t('components.Sidebar.link.playlists') }}
+        </Link>
+        <Link
+          to="/library/radios"
+          ghost
+          full
+          align-text="start"
+          thin-font
+          icon="bi-boombox-fill"
+          thick-when-active
+        >
+          {{ t('components.Sidebar.link.radios') }}
+        </Link>
+        <Link
+          to="/library/podcasts"
+          ghost
+          full
+          align-text="start"
+          thin-font
+          icon="bi-mic"
+          thick-when-active
+        >
+          {{ t('components.Sidebar.link.podcasts') }}
+        </Link>
+        <Link
+          to="/favorites"
+          ghost
+          full
+          align-text="start"
+          thin-font
+          icon="bi-heart"
+          thick-when-active
+          :disabled="!store.state.auth.authenticated || undefined"
+        >
+          {{ t('components.Sidebar.link.favorites') }}
+        </Link>
+      </nav>
+      <Spacer grow />
+      <Layout
+        nav
+        flex
+        no-gap
+        style="justify-content: center"
+      >
+        <Link
+          thin-font
+          to="/about"
+        >
+          {{ t('components.Sidebar.link.about') }}
+        </Link>
+        <Spacer shrink />
+      </Layout>
+    </Layout>
+  </Layout>
+</template>
+
+<style module lang="scss">
+.sidebar {
+  .logo {
+    display: block;
+    width: 40px;
+    height: 40px;
+    margin: 16px;
+  }
+
+  &.sticky-content {
+    overflow: auto;
+    top: 0;
+
+    .upload-progress {
+      background: var(--fw-blue-500);
+      position: absolute;
+      left: 0;
+      bottom: 2px;
+      width: 100%;
+      padding: 2px;
+
+      &.v-enter-active,
+      &.v-leave-active {
+        transition: transform 0.2s ease, opacity 0.2s ease;
+      }
+
+      &.v-leave-to,
+      &.v-enter-from {
+        transform: translateY(0.5rem);
+        opacity: 0;
+      }
+
+      > .progress {
+        height: 0.25rem;
+        width: 100%;
+        transition: max-width 0.1s ease;
+        background: var(--fw-gray-100);
+        border-radius: 100vh;
+        position: relative;
+
+        &.fake {
+          background: var(--fw-blue-700);
+        }
+
+        &:not(.fake) {
+          position: absolute;
+          inset: 2px;
+        }
+      }
+    }
+
+    .avatar {
+      aspect-ratio: 1;
+      background: var(--fw-beige-100);
+      border-radius: 100%;
+
+      text-decoration: none !important;
+      color: var(--fw-gray-700);
+
+      > img,
+      > i {
+        width: 100%;
+        height: 100%;
+
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        margin: 0 !important;
+        border-radius: 100vh;
+      }
+    }
+
+    > h3 {
+      margin: 0;
+      padding: 0 32px 8px;
+      font-size: 14px;
+      line-height: 1.2;
+    }
+    .menu-links {
+      // Bottom padding is mainly offsetting player-bar
+      padding: 0 16px 72px;
+      flex-grow: 1;
+    }
+  }
+
+  :global(.hide-on-mobile) {
+    max-height: 0px;
+    min-height: 0px;
+    overflow: hidden;
+    transition: all .8s;
+  }
+
+  @media screen and (min-width: 1024px) {
+    height: 100%;
+
+    :global(.hide-on-desktop) {
+      display: none !important;
+    }
+
+    :global(.hide-on-mobile) {
+      max-height: 100dvh;
+      pointer-events: unset;
+    }
+
+    &.sticky-content {
+      position: sticky;
+      max-height: 100dvh;
+    }
+  }
+}
+</style>