diff --git a/web/src/lib/components/layout/FolderTree.svelte b/web/src/lib/components/layout/FolderTree.svelte
index df1781d..3f1ff1d 100644
--- a/web/src/lib/components/layout/FolderTree.svelte
+++ b/web/src/lib/components/layout/FolderTree.svelte
@@ -110,15 +110,15 @@
 			<!--
 				Indent via padding-left rather than nested margin+border, so the
 				active row's background bleeds edge-to-edge of the sidebar (matches
-				mule-image's compact tree). Depth × 12px keeps lines aligned with
-				the chevron of the previous level.
+				mule-image's compact tree). 8px baseline aligns the depth-0 chevron
+				with the px-2 of Views/Heaps rows; +12px per nested level.
 			-->
 			<div
 				class="group flex h-[24px] items-center rounded text-[12px] leading-tight hover:bg-accent"
 				class:bg-primary={active}
 				class:text-primary-foreground={active}
 				class:hover:bg-primary={active}
-				style="padding-left: {depth * 12}px;"
+				style="padding-left: {8 + depth * 12}px;"
 			>
 				{#if hasChildren}
 					<button
@@ -130,11 +130,15 @@
 					>
 						{open ? '▾' : '▸'}
 					</button>
-				{:else}
+				{:else if depth > 0}
+					<!-- Spacer keeps childless siblings aligned with their chevroned
+					     peers at nested depths. Skipped at depth 0 so root folders
+					     left-align with the Views/Heaps rows. -->
 					<span class="inline-block h-[18px] w-4" aria-hidden="true"></span>
 				{/if}
 				<button
-					class="flex flex-1 items-center truncate px-1 text-left"
+					class="flex flex-1 items-center truncate text-left"
+					class:px-1={hasChildren || depth > 0}
 					onclick={() => onPick(node.path)}
 					ondblclick={readonly ? undefined : () => onRename?.(node.path)}
 					title={node.path}
diff --git a/web/src/lib/components/layout/GeneralSettingsDialog.svelte b/web/src/lib/components/layout/GeneralSettingsDialog.svelte
new file mode 100644
index 0000000..d2e7e2f
--- /dev/null
+++ b/web/src/lib/components/layout/GeneralSettingsDialog.svelte
@@ -0,0 +1,83 @@
+<!--
+	General app preferences. Distinct from the PhotoPrism-library admin dialog:
+	this one owns settings that affect *this* SvelteKit shell (theme), not the
+	server. Opened from the bottom of the left sidebar.
+-->
+<script lang="ts">
+	import { Dialog } from 'bits-ui';
+	import { mode, setMode } from 'mode-watcher';
+	import { Monitor, Moon, Settings as SettingsIcon, Sun, X } from 'lucide-svelte';
+
+	interface Props {
+		open: boolean;
+		onClose: () => void;
+	}
+	let { open, onClose }: Props = $props();
+
+	const themeOptions = [
+		{ value: 'light', label: 'Light', Icon: Sun },
+		{ value: 'dark', label: 'Dark', Icon: Moon },
+		{ value: 'system', label: 'System', Icon: Monitor }
+	] as const;
+</script>
+
+<Dialog.Root
+	{open}
+	onOpenChange={(o) => {
+		if (!o) onClose();
+	}}
+>
+	<Dialog.Portal>
+		<Dialog.Overlay
+			class="fixed inset-0 z-40 bg-background/80 backdrop-blur-sm data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:animate-in data-[state=open]:fade-in-0"
+		/>
+		<Dialog.Content
+			class="fixed left-1/2 top-1/2 z-50 grid w-full max-w-[440px] -translate-x-1/2 -translate-y-1/2 gap-4 rounded-lg border border-border bg-card p-5 text-card-foreground shadow-lg outline-none data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[state=open]:animate-in data-[state=open]:fade-in-0 data-[state=open]:zoom-in-95"
+		>
+			<div class="flex items-start gap-2">
+				<SettingsIcon class="mt-0.5 h-4 w-4 text-muted-foreground" />
+				<div class="flex-1">
+					<Dialog.Title class="text-sm font-semibold leading-tight">
+						General settings
+					</Dialog.Title>
+					<Dialog.Description class="mt-1 text-xs text-muted-foreground">
+						Preferences for this app. Library-side settings live under
+						Folders → ⚙.
+					</Dialog.Description>
+				</div>
+				<Dialog.Close
+					class="rounded p-1 text-muted-foreground hover:bg-accent hover:text-foreground"
+					aria-label="Close"
+				>
+					<X class="h-3.5 w-3.5" />
+				</Dialog.Close>
+			</div>
+
+			<section class="space-y-2 text-[12px]">
+				<h3 class="text-[10px] font-semibold uppercase tracking-[0.14em] text-muted-foreground">
+					Appearance
+				</h3>
+				<div
+					class="flex items-center overflow-hidden rounded-md border border-border"
+					role="group"
+					aria-label="Theme"
+				>
+					{#each themeOptions as opt (opt.value)}
+						{@const active = mode.current === opt.value}
+						<button
+							type="button"
+							class="flex flex-1 items-center justify-center gap-1.5 px-3 py-1.5 hover:bg-accent"
+							class:bg-primary={active}
+							class:text-primary-foreground={active}
+							class:hover:bg-primary={active}
+							onclick={() => setMode(opt.value)}
+						>
+							<opt.Icon class="h-3.5 w-3.5" />
+							{opt.label}
+						</button>
+					{/each}
+				</div>
+			</section>
+		</Dialog.Content>
+	</Dialog.Portal>
+</Dialog.Root>
diff --git a/web/src/lib/components/layout/LeftSidebar.svelte b/web/src/lib/components/layout/LeftSidebar.svelte
index 071fef2..0b56648 100644
--- a/web/src/lib/components/layout/LeftSidebar.svelte
+++ b/web/src/lib/components/layout/LeftSidebar.svelte
@@ -2,6 +2,7 @@
 	import { goto } from '$app/navigation';
 	import { page } from '$app/state';
 	import { createMutation, createQuery, useQueryClient } from '@tanstack/svelte-query';
+	import { mode, toggleMode } from 'mode-watcher';
 	import { toast } from 'svelte-sonner';
 	import {
 		createFolder,
@@ -12,6 +13,7 @@
 		heapDownloadUrl,
 		listFolders,
 		listHeaps,
+		logout,
 		renameFolder,
 		renameHeap,
 		triggerDownload,
@@ -24,11 +26,23 @@
 		setSection,
 		type Section
 	} from '$lib/stores/filters.svelte';
-	import { isAuthenticated } from '$lib/stores/session.svelte';
+	import { isAuthenticated, session } from '$lib/stores/session.svelte';
 	import FolderTree, { buildTree } from './FolderTree.svelte';
+	import GeneralSettingsDialog from './GeneralSettingsDialog.svelte';
 	import HeapConvertDialog from './HeapConvertDialog.svelte';
 	import KebabMenu, { Item, Separator } from './KebabMenu.svelte';
-	import { Copy, Download, FolderInput, Pencil, Trash2 } from 'lucide-svelte';
+	import SettingsDialog from './SettingsDialog.svelte';
+	import {
+		Copy,
+		Download,
+		FolderInput,
+		LogOut,
+		Moon,
+		Pencil,
+		Settings,
+		Sun,
+		Trash2
+	} from 'lucide-svelte';
 
 	const qc = useQueryClient();
 
@@ -88,6 +102,18 @@
 	// mounts <HeapConvertDialog>; the dialog clears it on close.
 	let convertingHeap = $state<PpAlbum | null>(null);
 
+	// Library/admin settings dialog visibility.
+	let settingsOpen = $state(false);
+
+	// App-wide preferences dialog (theme etc.). Distinct from the library
+	// admin dialog above — opened from the bottom-of-sidebar footer.
+	let generalSettingsOpen = $state(false);
+
+	async function onSignOut() {
+		await logout();
+		await goto('/login', { replaceState: true });
+	}
+
 	async function navigateTo(section: Section, heapUid: string | null = null) {
 		setSection(section, heapUid);
 		setFolderPath(null);
@@ -220,7 +246,8 @@
 	}
 </script>
 
-<nav class="space-y-3">
+<div class="flex h-full flex-col">
+<nav class="flex-1 space-y-3 overflow-y-auto p-3">
 	<!-- Views — section-driven entries + route-driven entries under a
 	     single uppercase eyebrow. Compact rows, no icons. -->
 	<div>
@@ -279,12 +306,14 @@
 			<ul>
 				{#each heapsQuery.data ?? [] as heap (heap.UID)}
 					{@const active = isActive('heap', heap.UID)}
-					<li class="group flex items-center">
+					<li
+						class="group flex h-[24px] items-center rounded text-[12px] leading-tight hover:bg-accent"
+						class:bg-primary={active}
+						class:text-primary-foreground={active}
+						class:hover:bg-primary={active}
+					>
 						<button
-							class="flex h-[24px] flex-1 items-center gap-2 rounded px-2 text-left text-[12px] leading-tight hover:bg-accent"
-							class:bg-primary={active}
-							class:text-primary-foreground={active}
-							class:hover:bg-primary={active}
+							class="flex flex-1 items-center gap-2 px-2 text-left"
 							onclick={() => navigateTo('heap', heap.UID)}
 							ondblclick={() => onRenameHeap(heap)}
 							title={`${heap.Title} (${heap.PhotoCount ?? 0})`}
@@ -298,7 +327,7 @@
 								{heap.PhotoCount ?? 0}
 							</span>
 						</button>
-						<div class="pl-0.5">
+						<div class="mr-1">
 							<KebabMenu label="Heap actions">
 								<Item
 									class="flex cursor-pointer items-center gap-2 rounded px-2 py-1.5 text-[12px] outline-none hover:bg-accent focus:bg-accent"
@@ -345,10 +374,18 @@
 	</div>
 
 	<div>
-		<div class="group/header flex items-center px-3 pb-1">
+		<div class="group/header flex items-center gap-0.5 px-3 pb-1">
 			<span class="flex-1 text-[10px] font-semibold uppercase tracking-[0.14em] text-muted-foreground">
 				Folders
 			</span>
+			<button
+				class="rounded p-0.5 text-muted-foreground opacity-0 hover:bg-accent hover:text-foreground group-hover/header:opacity-100"
+				onclick={() => (settingsOpen = true)}
+				title="Library settings"
+				aria-label="Library settings"
+			>
+				<Settings class="h-3 w-3" />
+			</button>
 			<button
 				class="rounded p-0.5 text-xs text-muted-foreground opacity-0 hover:bg-accent hover:text-foreground group-hover/header:opacity-100"
 				onclick={() => onCreateFolder(null)}
@@ -386,4 +423,57 @@
 	</div>
 </nav>
 
+<!--
+	Footer — fixed to the bottom of the sidebar. Holds the per-user
+	affordances (display name, quick theme toggle, general preferences,
+	sign-out) that used to live in the top toolbar.
+-->
+<footer
+	class="flex shrink-0 items-center gap-1 border-t border-border bg-card/50 px-3 py-2"
+>
+	<span
+		class="min-w-0 flex-1 truncate text-[12px] text-foreground"
+		title={session.user?.DisplayName ?? session.user?.Name ?? ''}
+	>
+		{session.user?.DisplayName ?? session.user?.Name ?? 'Signed in'}
+	</span>
+	<button
+		type="button"
+		class="rounded p-1 text-muted-foreground hover:bg-accent hover:text-foreground"
+		onclick={toggleMode}
+		title="Toggle theme"
+		aria-label="Toggle theme"
+	>
+		{#if mode.current === 'dark'}
+			<Sun class="h-3.5 w-3.5" />
+		{:else}
+			<Moon class="h-3.5 w-3.5" />
+		{/if}
+	</button>
+	<button
+		type="button"
+		class="rounded p-1 text-muted-foreground hover:bg-accent hover:text-foreground"
+		onclick={() => (generalSettingsOpen = true)}
+		title="General settings"
+		aria-label="General settings"
+	>
+		<Settings class="h-3.5 w-3.5" />
+	</button>
+	<button
+		type="button"
+		class="rounded p-1 text-muted-foreground hover:bg-accent hover:text-foreground"
+		onclick={onSignOut}
+		title="Sign out"
+		aria-label="Sign out"
+	>
+		<LogOut class="h-3.5 w-3.5" />
+	</button>
+</footer>
+</div>
+
 <HeapConvertDialog heap={convertingHeap} onClose={() => (convertingHeap = null)} />
+<SettingsDialog open={settingsOpen} onClose={() => (settingsOpen = false)} />
+<GeneralSettingsDialog
+	open={generalSettingsOpen}
+	onClose={() => (generalSettingsOpen = false)}
+/>
diff --git a/web/src/lib/components/layout/SettingsDialog.svelte b/web/src/lib/components/layout/SettingsDialog.svelte
new file mode 100644
index 0000000..124c266
--- /dev/null
+++ b/web/src/lib/components/layout/SettingsDialog.svelte
@@ -0,0 +1,439 @@
+<!--
+	Library admin dialog. Tabs map 1-to-1 to PhotoPrism's own Library page:
+	general settings, manual index, manual import, server error log.
+
+	Each tab owns its own query/mutation pair via TanStack Query so the data
+	loads on first open and the rest of the app can read the same caches.
+-->
+<script lang="ts">
+	import { Dialog, Tabs } from 'bits-ui';
+	import { createMutation, createQuery, useQueryClient } from '@tanstack/svelte-query';
+	import { toast } from 'svelte-sonner';
+	import { Loader2, RefreshCw, Settings, X } from 'lucide-svelte';
+	import {
+		cancelImport,
+		cancelIndex,
+		getErrors,
+		getSettings,
+		saveSettings,
+		startImport,
+		startIndex,
+		type ImportBody,
+		type IndexBody,
+		type PpLogEntry,
+		type PpSettings
+	} from '$lib/services/photoprism';
+
+	interface Props {
+		open: boolean;
+		onClose: () => void;
+	}
+	let { open, onClose }: Props = $props();
+
+	const qc = useQueryClient();
+
+	let activeTab = $state<'library' | 'index' | 'import' | 'logs'>('library');
+
+	// ── Library tab ───────────────────────────────────────────────────────
+	// Pull settings only while the dialog is open so we don't keep them
+	// warm in the background. Edits work on a local clone; Save POSTs it
+	// back wholesale (PhotoPrism deep-merges server-side).
+	const settingsQuery = createQuery<PpSettings>(() => ({
+		queryKey: ['settings'],
+		queryFn: getSettings,
+		enabled: open
+	}));
+
+	let draft = $state<PpSettings | null>(null);
+	$effect(() => {
+		if (settingsQuery.data && draft === null) {
+			draft = structuredClone(settingsQuery.data);
+		}
+	});
+	// Reset the draft when the dialog closes so the next open re-reads.
+	$effect(() => {
+		if (!open) draft = null;
+	});
+
+	const saveMut = createMutation(() => ({
+		mutationFn: (patch: PpSettings) => saveSettings(patch),
+		onSuccess: (next) => {
+			qc.setQueryData(['settings'], next);
+			draft = structuredClone(next);
+			toast.success('Settings saved');
+		},
+		onError: (err) =>
+			toast.error(err instanceof Error ? err.message : 'Could not save settings')
+	}));
+
+	function resetDraft() {
+		if (settingsQuery.data) draft = structuredClone(settingsQuery.data);
+	}
+
+	// ── Index tab ─────────────────────────────────────────────────────────
+	let indexForm = $state<IndexBody>({ path: '/', rescan: false, cleanup: false });
+	const startIndexMut = createMutation(() => ({
+		mutationFn: (b: IndexBody) => startIndex(b),
+		onSuccess: (r) => toast.success(r.message || 'Indexing complete'),
+		onError: (err) =>
+			toast.error(err instanceof Error ? err.message : 'Index failed')
+	}));
+	const cancelIndexMut = createMutation(() => ({
+		mutationFn: () => cancelIndex(),
+		onSuccess: () => toast.success('Indexing canceled'),
+		onError: (err) =>
+			toast.error(err instanceof Error ? err.message : 'Cancel failed')
+	}));
+
+	// ── Import tab ────────────────────────────────────────────────────────
+	let importForm = $state<ImportBody>({ path: '/', move: false, dest: '' });
+	const startImportMut = createMutation(() => ({
+		mutationFn: (b: ImportBody) => startImport(b),
+		onSuccess: (r) => toast.success(r.message || 'Import complete'),
+		onError: (err) =>
+			toast.error(err instanceof Error ? err.message : 'Import failed')
+	}));
+	const cancelImportMut = createMutation(() => ({
+		mutationFn: () => cancelImport(),
+		onSuccess: () => toast.success('Import canceled'),
+		onError: (err) =>
+			toast.error(err instanceof Error ? err.message : 'Cancel failed')
+	}));
+
+	// ── Logs tab ──────────────────────────────────────────────────────────
+	// Poll while the Logs tab is showing; pause otherwise so the dialog
+	// doesn't burn requests when the user is in another tab.
+	const errorsQuery = createQuery<PpLogEntry[]>(() => ({
+		queryKey: ['errors'],
+		queryFn: () => getErrors({ limit: 200 }),
+		enabled: open && activeTab === 'logs',
+		refetchInterval: open && activeTab === 'logs' ? 5000 : false
+	}));
+</script>
+
+<Dialog.Root
+	{open}
+	onOpenChange={(o) => {
+		if (!o) onClose();
+	}}
+>
+	<Dialog.Portal>
+		<Dialog.Overlay
+			class="fixed inset-0 z-40 bg-background/80 backdrop-blur-sm data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:animate-in data-[state=open]:fade-in-0"
+		/>
+		<Dialog.Content
+			class="fixed left-1/2 top-1/2 z-50 grid w-full max-w-[640px] -translate-x-1/2 -translate-y-1/2 gap-4 rounded-lg border border-border bg-card p-5 text-card-foreground shadow-lg outline-none data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[state=open]:animate-in data-[state=open]:fade-in-0 data-[state=open]:zoom-in-95"
+		>
+			<div class="flex items-start gap-2">
+				<Settings class="mt-0.5 h-4 w-4 text-muted-foreground" />
+				<div class="flex-1">
+					<Dialog.Title class="text-sm font-semibold leading-tight">
+						Library settings
+					</Dialog.Title>
+					<Dialog.Description class="mt-1 text-xs text-muted-foreground">
+						Drive PhotoPrism's library, indexer, importer and server log.
+					</Dialog.Description>
+				</div>
+				<Dialog.Close
+					class="rounded p-1 text-muted-foreground hover:bg-accent hover:text-foreground"
+					aria-label="Close"
+				>
+					<X class="h-3.5 w-3.5" />
+				</Dialog.Close>
+			</div>
+
+			<Tabs.Root bind:value={activeTab}>
+				<Tabs.List
+					class="mb-3 flex gap-1 border-b border-border"
+				>
+					{#each ['library', 'index', 'import', 'logs'] as const as t (t)}
+						<Tabs.Trigger
+							value={t}
+							class="-mb-px border-b-2 border-transparent px-3 py-1.5 text-[12px] capitalize text-muted-foreground hover:text-foreground data-[state=active]:border-primary data-[state=active]:text-foreground"
+						>
+							{t}
+						</Tabs.Trigger>
+					{/each}
+				</Tabs.List>
+
+				<!-- Library — general settings -->
+				<Tabs.Content value="library" class="outline-none">
+					{#if settingsQuery.isPending}
+						<p class="px-1 text-[12px] text-muted-foreground">Loading settings…</p>
+					{:else if settingsQuery.isError}
+						<p class="px-1 text-[12px] text-destructive">
+							Could not load settings.
+						</p>
+					{:else if draft}
+						<div class="max-h-[55vh] space-y-4 overflow-y-auto pr-1 text-[12px]">
+							<section class="space-y-1.5">
+								<h3 class="text-[10px] font-semibold uppercase tracking-[0.14em] text-muted-foreground">
+									Indexer defaults
+								</h3>
+								<label class="flex items-center gap-2">
+									<input
+										type="checkbox"
+										bind:checked={draft.index!.convert}
+									/>
+									Convert RAW / HEIC on index
+								</label>
+								<label class="flex items-center gap-2">
+									<input
+										type="checkbox"
+										bind:checked={draft.index!.rescan}
+									/>
+									Rescan known files
+								</label>
+								<label class="flex items-center gap-2">
+									<input
+										type="checkbox"
+										bind:checked={draft.index!.skipArchived}
+									/>
+									Skip archived photos
+								</label>
+							</section>
+
+							<section class="space-y-1.5">
+								<h3 class="text-[10px] font-semibold uppercase tracking-[0.14em] text-muted-foreground">
+									Importer defaults
+								</h3>
+								<label class="flex items-center gap-2">
+									<input type="checkbox" bind:checked={draft.import!.move} />
+									Move (instead of copy) on import
+								</label>
+								<label class="flex flex-col gap-1">
+									<span class="text-muted-foreground">Default destination subpath</span>
+									<input
+										type="text"
+										placeholder="e.g. 2026/05"
+										bind:value={draft.import!.dest}
+										class="rounded border border-input bg-background px-2 py-1 focus:outline-none focus:ring-2 focus:ring-ring"
+									/>
+								</label>
+							</section>
+
+							<section class="space-y-1.5">
+								<h3 class="text-[10px] font-semibold uppercase tracking-[0.14em] text-muted-foreground">
+									Stacks
+								</h3>
+								<label class="flex items-center gap-2">
+									<input type="checkbox" bind:checked={draft.stack!.uuid} />
+									Stack files sharing a UUID
+								</label>
+								<label class="flex items-center gap-2">
+									<input type="checkbox" bind:checked={draft.stack!.meta} />
+									Stack files with matching metadata
+								</label>
+								<label class="flex items-center gap-2">
+									<input type="checkbox" bind:checked={draft.stack!.name} />
+									Stack files with matching names
+								</label>
+							</section>
+
+							<section class="space-y-1.5">
+								<h3 class="text-[10px] font-semibold uppercase tracking-[0.14em] text-muted-foreground">
+									Downloads
+								</h3>
+								<label class="flex items-center gap-2">
+									<input
+										type="checkbox"
+										bind:checked={draft.download!.originals}
+									/>
+									Originals
+								</label>
+								<label class="flex items-center gap-2">
+									<input
+										type="checkbox"
+										bind:checked={draft.download!.mediaRaw}
+									/>
+									Include RAW
+								</label>
+								<label class="flex items-center gap-2">
+									<input
+										type="checkbox"
+										bind:checked={draft.download!.mediaSidecar}
+									/>
+									Include sidecar files
+								</label>
+								<label class="flex items-center gap-2">
+									<input
+										type="checkbox"
+										bind:checked={draft.download!.disabled}
+									/>
+									Disable downloads entirely
+								</label>
+							</section>
+
+						</div>
+
+						<div class="mt-4 flex items-center justify-end gap-2">
+							<button
+								type="button"
+								class="rounded border border-border px-3 py-1 text-[12px] hover:bg-accent"
+								onclick={resetDraft}
+								disabled={saveMut.isPending}
+							>
+								Revert
+							</button>
+							<button
+								type="button"
+								class="flex items-center gap-1.5 rounded bg-primary px-3 py-1 text-[12px] text-primary-foreground hover:bg-primary/90 disabled:opacity-50"
+								onclick={() => draft && saveMut.mutate(draft)}
+								disabled={saveMut.isPending}
+							>
+								{#if saveMut.isPending}
+									<Loader2 class="h-3 w-3 animate-spin" />
+								{/if}
+								Save
+							</button>
+						</div>
+					{/if}
+				</Tabs.Content>
+
+				<!-- Index — manual indexer run -->
+				<Tabs.Content value="index" class="space-y-3 text-[12px] outline-none">
+					<p class="text-muted-foreground">
+						Rebuilds the search index by walking the originals folder. Safe to
+						run while users are connected.
+					</p>
+					<label class="flex flex-col gap-1">
+						<span class="text-muted-foreground">Path</span>
+						<input
+							type="text"
+							bind:value={indexForm.path}
+							placeholder="/"
+							class="rounded border border-input bg-background px-2 py-1 focus:outline-none focus:ring-2 focus:ring-ring"
+						/>
+					</label>
+					<label class="flex items-center gap-2">
+						<input type="checkbox" bind:checked={indexForm.rescan} />
+						Rescan files already in the index
+					</label>
+					<label class="flex items-center gap-2">
+						<input type="checkbox" bind:checked={indexForm.cleanup} />
+						Clean up missing files
+					</label>
+					<div class="flex items-center justify-end gap-2 pt-1">
+						<button
+							type="button"
+							class="rounded border border-border px-3 py-1 hover:bg-accent disabled:opacity-50"
+							onclick={() => cancelIndexMut.mutate()}
+							disabled={cancelIndexMut.isPending || startIndexMut.isPending}
+						>
+							Cancel current
+						</button>
+						<button
+							type="button"
+							class="flex items-center gap-1.5 rounded bg-primary px-3 py-1 text-primary-foreground hover:bg-primary/90 disabled:opacity-50"
+							onclick={() => startIndexMut.mutate(indexForm)}
+							disabled={startIndexMut.isPending}
+						>
+							{#if startIndexMut.isPending}
+								<Loader2 class="h-3 w-3 animate-spin" />
+							{/if}
+							Start indexing
+						</button>
+					</div>
+				</Tabs.Content>
+
+				<!-- Import — manual import run -->
+				<Tabs.Content value="import" class="space-y-3 text-[12px] outline-none">
+					<p class="text-muted-foreground">
+						Pulls files from the import folder into the library. With "move"
+						enabled, files are deleted from the import folder after a
+						successful import.
+					</p>
+					<label class="flex flex-col gap-1">
+						<span class="text-muted-foreground">Source path</span>
+						<input
+							type="text"
+							bind:value={importForm.path}
+							placeholder="/"
+							class="rounded border border-input bg-background px-2 py-1 focus:outline-none focus:ring-2 focus:ring-ring"
+						/>
+					</label>
+					<label class="flex items-center gap-2">
+						<input type="checkbox" bind:checked={importForm.move} />
+						Move files (don't copy) after import
+					</label>
+					<label class="flex flex-col gap-1">
+						<span class="text-muted-foreground">Destination subpath (optional)</span>
+						<input
+							type="text"
+							bind:value={importForm.dest}
+							placeholder="e.g. 2026/05"
+							class="rounded border border-input bg-background px-2 py-1 focus:outline-none focus:ring-2 focus:ring-ring"
+						/>
+					</label>
+					<div class="flex items-center justify-end gap-2 pt-1">
+						<button
+							type="button"
+							class="rounded border border-border px-3 py-1 hover:bg-accent disabled:opacity-50"
+							onclick={() => cancelImportMut.mutate()}
+							disabled={cancelImportMut.isPending || startImportMut.isPending}
+						>
+							Cancel current
+						</button>
+						<button
+							type="button"
+							class="flex items-center gap-1.5 rounded bg-primary px-3 py-1 text-primary-foreground hover:bg-primary/90 disabled:opacity-50"
+							onclick={() => startImportMut.mutate(importForm)}
+							disabled={startImportMut.isPending}
+						>
+							{#if startImportMut.isPending}
+								<Loader2 class="h-3 w-3 animate-spin" />
+							{/if}
+							Start import
+						</button>
+					</div>
+				</Tabs.Content>
+
+				<!-- Logs — recent server errors -->
+				<Tabs.Content value="logs" class="space-y-2 text-[12px] outline-none">
+					<div class="flex items-center justify-between">
+						<p class="text-muted-foreground">
+							Most recent PhotoPrism errors and warnings. Auto-refreshes
+							every 5 seconds.
+						</p>
+						<button
+							type="button"
+							class="flex items-center gap-1 rounded border border-border px-2 py-1 text-[11px] hover:bg-accent"
+							onclick={() => qc.invalidateQueries({ queryKey: ['errors'] })}
+							disabled={errorsQuery.isFetching}
+						>
+							<RefreshCw
+								class="h-3 w-3 {errorsQuery.isFetching ? 'animate-spin' : ''}"
+							/>
+							Refresh
+						</button>
+					</div>
+					{#if errorsQuery.isPending}
+						<p class="px-1 text-muted-foreground">Loading…</p>
+					{:else if errorsQuery.isError}
+						<p class="px-1 text-destructive">Could not load error log.</p>
+					{:else if (errorsQuery.data ?? []).length === 0}
+						<p class="px-1 text-muted-foreground">No errors logged.</p>
+					{:else}
+						<ul
+							class="max-h-[55vh] space-y-1 overflow-y-auto rounded border border-border bg-background p-2 font-mono text-[11px]"
+						>
+							{#each errorsQuery.data ?? [] as entry, i (i)}
+								<li class="leading-snug">
+									<span class="text-muted-foreground">{entry.Time}</span>
+									<span
+										class:text-destructive={entry.Level === 'error'}
+										class:text-yellow-500={entry.Level === 'warn' ||
+											entry.Level === 'warning'}
+									>
+										[{entry.Level}]
+									</span>
+									{entry.Message}
+								</li>
+							{/each}
+						</ul>
+					{/if}
+				</Tabs.Content>
+			</Tabs.Root>
+		</Dialog.Content>
+	</Dialog.Portal>
+</Dialog.Root>
diff --git a/web/src/lib/services/photoprism.ts b/web/src/lib/services/photoprism.ts
index 955da67..40f856b 100644
--- a/web/src/lib/services/photoprism.ts
+++ b/web/src/lib/services/photoprism.ts
@@ -602,6 +602,92 @@ export async function renameOnDisk(photoUid: string, newName: string): Promise<R
 	return data as RenameResult;
 }
 
+// ── Settings / Admin ─────────────────────────────────────────────────────────
+//
+// Thin wrappers over PhotoPrism's admin endpoints driving the settings dialog
+// (Library / Index / Import / Logs). Shapes are deliberately partial — newer
+// PhotoPrism versions ship extra fields we don't render, and the POST endpoint
+// merges server-side, so it's safe to round-trip an incomplete object.
+
+export interface PpSettings {
+	ui?: { theme?: string; language?: string; scrollbar?: boolean; zoom?: boolean };
+	search?: { batchSize?: number; listView?: boolean; showTitles?: boolean; showCaptions?: boolean };
+	index?: { path?: string; convert?: boolean; rescan?: boolean; skipArchived?: boolean };
+	import?: { path?: string; move?: boolean; dest?: string };
+	stack?: { uuid?: boolean; meta?: boolean; name?: boolean };
+	download?: {
+		name?: string;
+		disabled?: boolean;
+		originals?: boolean;
+		mediaRaw?: boolean;
+		mediaSidecar?: boolean;
+	};
+	[k: string]: unknown;
+}
+
+export async function getSettings(): Promise<PpSettings> {
+	const { data } = await http.get<PpSettings>('/settings');
+	return data;
+}
+
+export async function saveSettings(patch: Partial<PpSettings>): Promise<PpSettings> {
+	const { data } = await http.post<PpSettings>('/settings', patch);
+	return data;
+}
+
+export interface IndexBody {
+	path?: string;
+	rescan?: boolean;
+	cleanup?: boolean;
+}
+
+export async function startIndex(body: IndexBody = {}): Promise<{ message: string }> {
+	const { data } = await http.post<{ message: string }>('/index', {
+		path: '/',
+		rescan: false,
+		cleanup: false,
+		...body
+	});
+	return data;
+}
+
+export async function cancelIndex(): Promise<void> {
+	await http.delete('/index');
+}
+
+export interface ImportBody {
+	path?: string;
+	move?: boolean;
+	dest?: string;
+}
+
+export async function startImport(body: ImportBody = {}): Promise<{ message: string }> {
+	const { data } = await http.post<{ message: string }>('/import', {
+		path: '/',
+		move: false,
+		dest: '',
+		...body
+	});
+	return data;
+}
+
+export async function cancelImport(): Promise<void> {
+	await http.delete('/import');
+}
+
+export interface PpLogEntry {
+	Time: string;
+	Level: string;
+	Message: string;
+}
+
+export async function getErrors(opts: { limit?: number } = {}): Promise<PpLogEntry[]> {
+	const { data } = await http.get<PpLogEntry[]>('/errors', {
+		params: { limit: opts.limit ?? 200 }
+	});
+	return data ?? [];
+}
+
 // ── Re-exports ───────────────────────────────────────────────────────────────
 
 export type { PpClientConfig, PpPhoto, PpSessionResponse, PpUser };
diff --git a/web/src/routes/+layout.svelte b/web/src/routes/+layout.svelte
index b9051e8..df622a5 100644
--- a/web/src/routes/+layout.svelte
+++ b/web/src/routes/+layout.svelte
@@ -48,9 +48,10 @@
 						class="relative hidden h-full shrink-0 border-r border-border bg-card/30 md:block"
 						style="width: {view.leftSidebarWidth}px;"
 					>
-						<div class="h-full overflow-y-auto p-3">
-							<LeftSidebar />
-						</div>
+						<!-- LeftSidebar owns its own flex-col layout so its footer
+						     row (user/theme/settings/logout) can pin to the bottom
+						     while the nav above scrolls. -->
+						<LeftSidebar />
 						<div
 							class="group absolute -right-1.5 top-0 z-20 hidden h-full w-3 cursor-col-resize md:block"
 							use:resizable={{
diff --git a/web/src/routes/+page.svelte b/web/src/routes/+page.svelte
index fa3630e..88cfc8c 100644
--- a/web/src/routes/+page.svelte
+++ b/web/src/routes/+page.svelte
@@ -3,14 +3,12 @@
 	import { goto } from '$app/navigation';
 	import { page } from '$app/state';
 	import { createInfiniteQuery, createQuery, useQueryClient } from '@tanstack/svelte-query';
-	import { toggleMode, mode } from 'mode-watcher';
 	import { toast } from 'svelte-sonner';
 	import {
 		batchDelete,
 		getPhoto,
 		listHeaps,
 		listPhotos,
-		logout,
 		type PpAlbum
 	} from '$lib/services/photoprism';
 	import {
@@ -21,7 +19,7 @@
 		setSearch,
 		setSection
 	} from '$lib/stores/filters.svelte';
-	import { isAuthenticated, session, thumbUrl } from '$lib/stores/session.svelte';
+	import { isAuthenticated, thumbUrl } from '$lib/stores/session.svelte';
 	import { untrack } from 'svelte';
 	import {
 		isSelected,
@@ -52,7 +50,7 @@
 	import BulkMetadataSidebar from '$lib/components/sidebar/BulkMetadataSidebar.svelte';
 	import RightSidebar from '$lib/components/sidebar/RightSidebar.svelte';
 	import Toolbar from '$lib/components/layout/Toolbar.svelte';
-	import { primaryFile, type PpPhoto } from '$lib/types/photoprism';
+	import { isVideo, primaryFile, type PpPhoto } from '$lib/types/photoprism';
 
 	// ── URL ↔ filter store sync ──────────────────────────────────────────────
 	// On nav (back/forward, deep link), reflect the URL into the store.
@@ -514,11 +512,6 @@
 		staleTime: 0
 	}));
 
-	async function onSignOut() {
-		await logout();
-		await goto('/login', { replaceState: true });
-	}
-
 	const qc = useQueryClient();
 	let emptyingArchive = $state(false);
 
@@ -660,22 +653,6 @@
 			{/each}
 		</div>
 
-		<span class="hidden text-[11px] text-muted-foreground sm:inline">
-			{session.user?.DisplayName ?? session.user?.Name}
-		</span>
-		<button
-			class="rounded border border-border px-2 py-0.5 text-xs hover:bg-accent"
-			onclick={toggleMode}
-			title="Toggle theme"
-		>
-			{mode.current === 'dark' ? '☀' : '☾'}
-		</button>
-		<button
-			class="rounded border border-border px-2 py-0.5 text-xs hover:bg-accent"
-			onclick={onSignOut}
-		>
-			Sign out
-		</button>
 	{/snippet}
 </Toolbar>
 
@@ -796,6 +773,12 @@
 											>♥</span
 										>
 									{/if}
+									{#if isVideo(photo)}
+										<span
+											class="absolute left-1.5 top-1.5 rounded bg-background/80 px-1 text-[10px] font-medium text-foreground"
+											>VIDEO</span
+										>
+									{/if}
 								</button>
 							{/if}
 						</div>