feat(accent): implement accent color store and picker for app theming

src/lib/client/stores/accent.ts

@@ -0,0 +1,39 @@
+/**
+ * Accent color store for app theming
+ */
+
+import { writable } from 'svelte/store';
+import { browser } from '$app/environment';
+
+export type AccentColor = 'blue' | 'yellow';
+
+export const accentColors: { value: AccentColor; label: string; color: string }[] = [
+	{ value: 'blue', label: 'Blue', color: '#2563eb' },
+	{ value: 'yellow', label: 'Yellow', color: '#eab308' }
+];
+
+function createAccentStore() {
+	let initialAccent: AccentColor = 'blue';
+	if (browser) {
+		const stored = localStorage.getItem('accent') as AccentColor | null;
+		if (stored && accentColors.some((c) => c.value === stored)) {
+			initialAccent = stored;
+		}
+	}
+
+	const { subscribe, set } = writable<AccentColor>(initialAccent);
+
+	function setAccent(accent: AccentColor) {
+		set(accent);
+		if (browser) {
+			localStorage.setItem('accent', accent);
+		}
+	}
+
+	return {
+		subscribe,
+		set: setAccent
+	};
+}
+
+export const accentStore = createAccentStore();

src/lib/client/ui/navigation/navbar/accentPicker.svelte

@@ -0,0 +1,55 @@
+<script lang="ts">
+	import { accentStore, accentColors, type AccentColor } from '$stores/accent';
+	import Dropdown from '$ui/dropdown/Dropdown.svelte';
+	import { Check } from 'lucide-svelte';
+
+	let open = false;
+
+	$: currentColor = accentColors.find((c) => c.value === $accentStore) ?? accentColors[0];
+
+	function select(accent: AccentColor) {
+		accentStore.set(accent);
+		open = false;
+	}
+
+	function handleClickOutside(event: MouseEvent) {
+		const target = event.target as HTMLElement;
+		if (!target.closest('.accent-picker')) {
+			open = false;
+		}
+	}
+</script>
+
+<svelte:window on:click={handleClickOutside} />
+
+<div class="accent-picker relative">
+	<button
+		on:click|stopPropagation={() => (open = !open)}
+		class="flex h-9 w-9 items-center justify-center rounded-md transition-colors hover:bg-neutral-200 dark:hover:bg-neutral-800"
+		aria-label="Select accent color"
+	>
+		<span
+			class="h-4 w-4 rounded-full"
+			style="background-color: {currentColor.color}"
+		></span>
+	</button>
+
+	{#if open}
+		<Dropdown position="middle" minWidth="auto">
+			<div class="flex flex-wrap gap-2 p-2">
+				{#each accentColors as accent}
+					<button
+						on:click|stopPropagation={() => select(accent.value)}
+						class="relative flex h-6 w-6 items-center justify-center rounded-full transition-transform hover:scale-110"
+						style="background-color: {accent.color}"
+						aria-label={accent.label}
+					>
+						{#if $accentStore === accent.value}
+							<Check size={14} class="text-white" />
+						{/if}
+					</button>
+				{/each}
+			</div>
+		</Dropdown>
+	{/if}
+</div>

src/lib/client/ui/navigation/navbar/navbar.svelte

@@ -1,10 +1,11 @@
 <script lang="ts">
+	import AccentPicker from './accentPicker.svelte';
 	import ThemeToggle from './themeToggle.svelte';
 	import logo from '$assets/logo-firefox-circular-arrow.png';
 </script>
 
 <nav
-	class="fixed top-0 right-0 left-0 z-50 border-b border-neutral-200 bg-neutral-50 dark:border-neutral-800 dark:bg-neutral-900"
+	class="fixed top-0 left-0 z-50 w-72 border-b border-r border-neutral-200 bg-neutral-50 dark:border-neutral-800 dark:bg-neutral-900"
 >
 	<div class="flex items-center justify-between px-4 py-4">
 		<!-- Left: Brand name with logo -->
@@ -13,7 +14,10 @@
 			<div class="text-xl font-bold text-neutral-900 dark:text-neutral-100">profilarr</div>
 		</div>
 
-		<!-- Right: Theme toggle -->
-		<ThemeToggle />
+		<!-- Right: Accent picker and Theme toggle -->
+		<div class="flex items-center gap-1">
+			<AccentPicker />
+			<ThemeToggle />
+		</div>
 	</div>
 </nav>

src/lib/client/ui/navigation/navbar/themeToggle.svelte

@@ -1,6 +1,6 @@
 <script lang="ts">
 	import { themeStore } from '$stores/theme.ts';
-	import { Moon, Sun } from 'lucide-svelte';
+	import { MoonStar, Sun } from 'lucide-svelte';
 
 	$: isDark = $themeStore === 'dark';
 </script>
@@ -16,7 +16,7 @@
 			? 'scale-100 rotate-0 opacity-100'
 			: 'scale-75 rotate-180 opacity-0'}"
 	>
-		<Sun class="h-[18px] w-[18px] text-neutral-700 dark:text-neutral-300" />
+		<MoonStar class="h-[18px] w-[18px] text-neutral-700 dark:text-neutral-300" />
 	</div>
 
 	<!-- Moon icon (visible in light mode) -->
@@ -25,6 +25,6 @@
 			? 'scale-75 -rotate-180 opacity-0'
 			: 'scale-100 rotate-0 opacity-100'}"
 	>
-		<Moon class="h-[18px] w-[18px] text-neutral-700 dark:text-neutral-300" />
+		<Sun class="h-[18px] w-[18px] text-neutral-700 dark:text-neutral-300" />
 	</div>
 </button>