drizzli/src/lib/components/navigation/weather-nav.svelte

<script lang="ts">
	import { resolve } from '$app/paths';
	import { page } from '$app/stores';

	interface Props {
		collapsed?: boolean;
		onToggle?: () => void;
		onMobileClose?: () => void;
	}

	let { collapsed = false, onToggle, onMobileClose }: Props = $props();

	const links = [
		{
			title: '7-Day Forecast',
			url: '/weather/week' as const,
			iconPaths: [
				'M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z'
			]
		},
		{
			title: 'Model Comparison',
			url: '/weather/compare' as const,
			iconPaths: ['M13 7h8m0 0v8m0-8l-8 8-4-4-6 6']
		},
		{
			title: '14-Day Forecast',
			url: '/weather/14-day' as const,
			iconPaths: [
				'M3 15a4 4 0 004 4h9a5 5 0 10-.1-9.999 5.002 5.002 0 10-9.78 2.096A4.001 4.001 0 003 15z'
			]
		},
		{
			title: 'Maps',
			url: '/weather/maps' as const,
			// Heroicons "map" outline icon
			iconPaths: [
				'M9 20l-5.447-2.724A1 1 0 013 16.382V5.618a1 1 0 011.447-.894L9 7m0 13l6-3m-6 3V7m6 10l4.553 2.276A1 1 0 0021 18.382V7.618a1 1 0 00-.553-.894L15 4m0 13V4m0 0L9 7'
			]
		}
	];

	let currentPath = $derived($page.url.pathname);

	const isActive = (url: string) => {
		return currentPath === url || currentPath.startsWith(url + '/');
	};
</script>

<aside
	class="flex h-full flex-col border-r border-sidebar-border bg-sidebar transition-all duration-200"
	class:w-55={!collapsed}
	class:w-14={collapsed}
>
	<!-- Sidebar header: same height as the topbar so the borders align; the
	     home link fills the entire row, padding included -->
	<div class="flex h-14 shrink-0 items-stretch border-b border-sidebar-border">
		<a
			href={resolve('/weather/week')}
			class="flex flex-1 items-center gap-2.5 transition-colors hover:bg-sidebar-accent {collapsed
				? 'justify-center'
				: 'px-4'}"
			onclick={onMobileClose}
			aria-label="OMbrella home"
		>
			<div
				class="flex h-8 w-8 shrink-0 items-center justify-center rounded-lg bg-primary text-primary-foreground"
			>
				<!-- umbrella-with-rain logo mark (matches favicon) -->
				<svg
					class="h-5 w-5"
					fill="none"
					stroke="currentColor"
					viewBox="0 0 24 24"
					stroke-width="1.75"
				>
					<!-- rain falls from above onto the canopy -->
					<path stroke-linecap="round" d="M4.5 3v.01M19.5 3v.01M8.5 1.5v.01M15.5 2.5v.01" />
					<path stroke-linecap="round" d="M12 4.5V6" />
					<path
						fill="currentColor"
						stroke="none"
						d="M4 14a8 8 0 0 1 16 0c-.66-1-1.99-1-2.66 0-.67-1-2-1-2.67 0-.67-1-2-1-2.67 0-.67-1-2-1-2.67 0C8.66 13 7.33 13 6.66 14 6 13 4.66 13 4 14Z"
					/>
					<path stroke-linecap="round" d="M12 14v5a1.9 1.9 0 0 1-3.8 0" />
				</svg>
			</div>
			{#if !collapsed}
				<span class="text-sm font-bold tracking-tight whitespace-nowrap text-sidebar-foreground">
					OMbrella
				</span>
			{/if}
		</a>
	</div>

	<!-- Navigation links -->
	<nav class="flex-1 space-y-1 px-2 py-3">
		{#each links as link (link.title)}
			{@const active = isActive(link.url)}
			<a
				href={resolve(link.url)}
				class="relative flex items-center rounded-md px-2.5 py-2 text-sm font-medium text-sidebar-foreground opacity-70 transition-colors duration-150 hover:bg-sidebar-accent hover:text-sidebar-accent-foreground hover:opacity-100 {active
					? 'bg-sidebar-accent text-sidebar-primary! opacity-100! font-semibold! nav-active'
					: ''}"
				title={collapsed ? link.title : undefined}
				onclick={onMobileClose}
			>
				<div class="flex h-5 w-5 shrink-0 items-center justify-center">
					<svg
						class="h-4.5 w-4.5"
						fill="none"
						stroke="currentColor"
						viewBox="0 0 24 24"
						stroke-width="1.75"
					>
						{#each link.iconPaths as d (d)}
							<path stroke-linecap="round" stroke-linejoin="round" {d} />
						{/each}
					</svg>
				</div>
				{#if !collapsed}
					<span class="ml-2.5 whitespace-nowrap">{link.title}</span>
				{/if}
			</a>
		{/each}
	</nav>

	<!-- Collapse toggle -->
	<div class="border-t border-sidebar-border px-2 py-3">
		<button
			class="relative flex w-full items-center rounded-md px-2.5 py-2 text-sm font-medium text-sidebar-foreground opacity-70 transition-colors duration-150 hover:bg-sidebar-accent hover:text-sidebar-accent-foreground hover:opacity-100"
			onclick={onToggle}
			title={collapsed ? 'Expand sidebar' : 'Collapse sidebar'}
		>
			<div class="flex h-5 w-5 shrink-0 items-center justify-center">
				<svg
					class="h-4.5 w-4.5 transition-transform duration-200"
					class:rotate-180={!collapsed}
					fill="none"
					stroke="currentColor"
					viewBox="0 0 24 24"
					stroke-width="1.75"
				>
					<path stroke-linecap="round" stroke-linejoin="round" d="M11 19l-7-7 7-7m8 14l-7-7 7-7" />
				</svg>
			</div>
			{#if !collapsed}
				<span class="ml-2.5 whitespace-nowrap">Collapse</span>
			{/if}
		</button>
	</div>
</aside>

<style>
	.nav-active::before {
		content: '';
		position: absolute;
		left: 0;
		top: 50%;
		transform: translateY(-50%);
		width: 3px;
		height: 60%;
		border-radius: 0 3px 3px 0;
		background: var(--sidebar-primary);
	}
</style>