add: themes for wishlists and dashboards

src/lib/components/dashboard/LocalWishlistsSection.svelte

@@ -43,15 +43,25 @@
 			items: [] // We don't have item data in localStorage
 		}));
 	});
+
+	// Description depends on authentication status
+	const sectionDescription = $derived(() => {
+		if (isAuthenticated) {
+			return t.dashboard.localWishlistsAuthDescription || "Wishlists stored in your browser that haven't been claimed yet.";
+		}
+		return t.dashboard.localWishlistsDescription || "Wishlists stored in your browser. Sign in to save them permanently.";
+	});
 </script>
 
-{#if localWishlists.length > 0}
-	<WishlistSection
-		title={t.dashboard.localWishlists || "Local Wishlists"}
-		description={t.dashboard.localWishlistsDescription || "Wishlists stored in your browser. Sign in to save them permanently."}
-		items={transformedWishlists()}
-		emptyMessage=""
-	>
+<WishlistSection
+	title={t.dashboard.localWishlists || "Local Wishlists"}
+	description={sectionDescription()}
+	items={transformedWishlists()}
+	emptyMessage={t.dashboard.emptyLocalWishlists || "No local wishlists yet"}
+	emptyActionLabel={t.dashboard.createLocalWishlist || "Create local wishlist"}
+	emptyActionHref="/"
+	showCreateButton={true}
+>
 		{#snippet actions(wishlist, unlocked)}
 			<div class="flex gap-2 flex-wrap">
 				<Button
@@ -89,5 +99,4 @@
 				{/if}
 			</div>
 		{/snippet}
-	</WishlistSection>
-{/if}
+</WishlistSection>

src/lib/components/layout/DashboardHeader.svelte

@@ -10,32 +10,35 @@
 	let {
 		userName,
 		userEmail,
-		dashboardTheme = 'none'
+		dashboardTheme = 'none',
+		isAuthenticated = false,
+		onThemeUpdate
 	}: {
 		userName?: string | null;
 		userEmail?: string | null;
 		dashboardTheme?: string;
+		isAuthenticated?: boolean;
+		onThemeUpdate?: (theme: string | null) => void;
 	} = $props();
 
 	const t = $derived(languageStore.t);
-	const isAuthenticated = $derived(!!userName || !!userEmail);
-
-	let currentTheme = $state(dashboardTheme);
 
 	async function handleThemeChange(theme: string) {
-		currentTheme = theme;
+		// Update theme immediately for instant visual feedback
+		if (onThemeUpdate) {
+			onThemeUpdate(theme);
+		}
 
-		// Submit form to update theme
-		const formData = new FormData();
-		formData.append('theme', theme);
+		// Only submit to database for authenticated users
+		if (isAuthenticated) {
+			const formData = new FormData();
+			formData.append('theme', theme);
 
-		await fetch('?/updateDashboardTheme', {
-			method: 'POST',
-			body: formData
-		});
-
-		// Reload to apply new theme
-		window.location.reload();
+			await fetch('?/updateDashboardTheme', {
+				method: 'POST',
+				body: formData
+			});
+		}
 	}
 </script>
 
@@ -49,9 +52,7 @@
 		{/if}
 	</div>
 	<div class="flex items-center gap-1 sm:gap-2 flex-shrink-0">
-		{#if isAuthenticated}
-			<ThemePicker value={currentTheme} onValueChange={handleThemeChange} />
-		{/if}
+		<ThemePicker value={dashboardTheme} onValueChange={handleThemeChange} />
 		<LanguageToggle />
 		<ThemeToggle />
 		{#if isAuthenticated}

src/routes/dashboard/+page.server.ts

@@ -17,6 +17,11 @@ export const load: PageServerLoad = async (event) => {
 		};
 	}
 
+	// Fetch user with theme
+	const user = await db.query.users.findFirst({
+		where: eq(users.id, session.user.id)
+	});
+
 	const userWishlists = await db.query.wishlists.findMany({
 		where: eq(wishlists.userId, session.user.id),
 		with: {
@@ -57,7 +62,7 @@ export const load: PageServerLoad = async (event) => {
 	}));
 
 	return {
-		user: session.user,
+		user: user,
 		wishlists: userWishlists,
 		savedWishlists: savedWithAccess,
 		isAuthenticated: true

src/routes/dashboard/+page.svelte

@@ -11,6 +11,30 @@
 
 	let { data }: { data: PageData } = $props();
 
+	// For anonymous users, get theme from localStorage
+	function getInitialTheme() {
+		if (data.isAuthenticated) {
+			return data.user?.dashboardTheme || 'none';
+		} else {
+			// Anonymous user - get from localStorage
+			if (typeof window !== 'undefined') {
+				return localStorage.getItem('dashboardTheme') || 'none';
+			}
+			return 'none';
+		}
+	}
+
+	let currentTheme = $state(getInitialTheme());
+
+	// Save to localStorage when theme changes for anonymous users
+	function handleThemeUpdate(theme: string | null) {
+		currentTheme = theme || 'none';
+
+		if (!data.isAuthenticated && typeof window !== 'undefined') {
+			localStorage.setItem('dashboardTheme', currentTheme);
+		}
+	}
+
 	const t = $derived(languageStore.t);
 
 	// Only owned wishlists for "My Wishlists"
@@ -34,11 +58,13 @@
 	});
 </script>
 
-<PageContainer theme={data.user?.dashboardTheme} themeColor="hsl(var(--primary))">
+<PageContainer theme={currentTheme} themeColor="#3b82f6">
 	<DashboardHeader
 		userName={data.user?.name}
 		userEmail={data.user?.email}
-		dashboardTheme={data.user?.dashboardTheme || 'none'}
+		dashboardTheme={currentTheme}
+		isAuthenticated={data.isAuthenticated}
+		onThemeUpdate={handleThemeUpdate}
 	/>
 
 	<!-- Local Wishlists Section (for anonymous and authenticated users) -->

src/routes/wishlist/[token]/edit/+page.svelte

@@ -22,6 +22,7 @@
 	let addFormElement = $state<HTMLElement | null>(null);
 	let editFormElement = $state<HTMLElement | null>(null);
 	let searchQuery = $state("");
+	let currentTheme = $state(data.wishlist.theme || 'none');
 
 	let items = $state<Item[]>([]);
 
@@ -105,9 +106,14 @@
 		items = newItems;
 		await handleReorder(newItems);
 	}
+
+	async function handleThemeUpdate(theme: string | null) {
+		currentTheme = theme || 'none';
+		await wishlistUpdates.updateTheme(theme);
+	}
 </script>
 
-<PageContainer maxWidth="4xl" theme={data.wishlist.theme} themeColor={data.wishlist.color}>
+<PageContainer maxWidth="4xl" theme={currentTheme} themeColor={data.wishlist.color}>
 	<Navigation
 		isAuthenticated={data.isAuthenticated}
 		showDashboardLink={true}
@@ -119,7 +125,7 @@
 		onDescriptionUpdate={wishlistUpdates.updateDescription}
 		onColorUpdate={wishlistUpdates.updateColor}
 		onEndDateUpdate={wishlistUpdates.updateEndDate}
-		onThemeUpdate={wishlistUpdates.updateTheme}
+		onThemeUpdate={handleThemeUpdate}
 	/>
 
 	<ShareLinks
@@ -169,7 +175,7 @@
 		{rearranging}
 		onStartEditing={startEditing}
 		onReorder={handleReorder}
-		theme={data.wishlist.theme}
+		theme={currentTheme}
 	/>
 
 	<DangerZone bind:unlocked={rearranging} />