layout shifts

src/routes/+layout.svelte

@@ -17,12 +17,22 @@
 
 	// keep the .dark class in sync with the persisted theme; in 'system' mode
 	// follow the OS preference live
+	let themeSettled = false;
+	let themeTimer = 0;
 	$effect(() => {
 		const theme = $storedTheme;
 		const mq = window.matchMedia('(prefers-color-scheme: dark)');
 		const apply = () => {
-			const dark = theme === 'dark' || (theme === 'system' && mq.matches);
-			document.documentElement.classList.toggle('dark', dark);
+			const root = document.documentElement;
+			// The very first application is just painting the stored theme - only
+			// an actual switch afterwards is worth cross-fading.
+			if (themeSettled) {
+				root.classList.add('theme-transition');
+				clearTimeout(themeTimer);
+				themeTimer = window.setTimeout(() => root.classList.remove('theme-transition'), 400);
+			}
+			themeSettled = true;
+			root.classList.toggle('dark', theme === 'dark' || (theme === 'system' && mq.matches));
 		};
 		apply();
 		mq.addEventListener('change', apply);
@@ -83,15 +93,22 @@
 	<div class="flex min-w-0 flex-1 flex-col h-full">
 		<Header onMenuToggle={toggleMobileMenu} />
 
+		<!-- The padding stays on <main> itself: the day strip sticks with a
+		     negative offset that exactly cancels it, so moving it to an inner
+		     wrapper would dock the strip too high and clip its top row.
+		     flex-col + flex-1 below keeps the footer on the bottom edge even when
+		     the page is too short to fill the viewport. -->
 		<main
-			class={fullBleed ? 'flex-1 overflow-hidden' : 'flex-1 overflow-y-auto p-3 lg:px-8 lg:py-6'}
+			class={fullBleed
+				? 'flex-1 overflow-hidden'
+				: 'flex flex-1 flex-col overflow-y-auto p-3 lg:px-8 lg:py-6'}
 		>
 			{#if fullBleed}
 				{@render children()}
 			{:else}
 				<!-- cap the content width on very large screens; the footer below
 				     gives the page its ending, so only modest bottom room is needed -->
-				<div class="mx-auto w-full max-w-[1536px] pb-24">
+				<div class="mx-auto w-full max-w-[1536px] flex-1 pb-24">
 					{@render children()}
 				</div>
 				<!-- full-bleed footer inside the scroll area (its own inner max-w),

src/routes/layout.css

@@ -132,4 +132,30 @@
 	body {
 		@apply bg-background text-foreground;
 	}
+
+	/* Added around a theme change only (see routes/+layout.svelte), so the whole
+	   page cross-fades between light and dark instead of snapping. It is off the
+	   rest of the time: a permanent global transition would smear every hover
+	   and every chart repaint. */
+	:root.theme-transition,
+	:root.theme-transition *,
+	:root.theme-transition *::before,
+	:root.theme-transition *::after {
+		transition:
+			background-color 400ms ease,
+			border-color 400ms ease,
+			color 400ms ease,
+			fill 400ms ease,
+			stroke 400ms ease,
+			box-shadow 400ms ease !important;
+	}
+
+	@media (prefers-reduced-motion: reduce) {
+		:root.theme-transition,
+		:root.theme-transition *,
+		:root.theme-transition *::before,
+		:root.theme-transition *::after {
+			transition: none !important;
+		}
+	}
 }

src/routes/legal/imprint/+page.svelte

@@ -9,17 +9,14 @@
 	<h2>Service provider</h2>
 	<address>
 		Vincent van der Wal<br />
-		[Street and number]<br />
-		[Postal code, City]<br />
-		[Country]
+		Tschalungasse 2<br />
+		CH-6442 Gersau<br />
+		Switzerland
 	</address>
 	<p>
 		Email: <a href="mailto:drizzli@vincentvanderwal.nl">drizzli@vincentvanderwal.nl</a>
 	</p>
-	<p>
-		Drizz.li is operated as a personal, independent project. Responsible for the content of this
-		website: Vincent van der Wal (address above).
-	</p>
+	<p>Drizz.li is operated as a personal, independent project.</p>
 
 	<h2>Disclaimer</h2>
 	<p>

src/routes/legal/privacy/+page.svelte

@@ -15,8 +15,9 @@
 	<h2>1. Controller</h2>
 	<address>
 		Vincent van der Wal<br />
-		[Street and number], [Postal code, City], [Country]<br />
-		Email: <a href="mailto:drizzli@vincentvanderwal.nl">drizzli@vincentvanderwal.nl</a>
+		Tschalungasse 2, CH-6442 Gersau, Switzerland <br />
+		Email:
+		<a href="mailto:drizzli@vincentvanderwal.nl">drizzli@vincentvanderwal.nl</a>
 	</address>
 	<p>
 		This policy covers the websites drizz.li (the weather app) and support.drizz.li (the supporter

src/routes/weather/+layout.svelte

@@ -1,9 +1,69 @@
 <script lang="ts">
+	import { setContext } from 'svelte';
+
+	import { page } from '$app/stores';
+
+	import { storedLocation } from '$lib/stores/settings';
+
+	import type { Snippet } from 'svelte';
+
 	interface Props {
-		children?: import('svelte').Snippet;
+		children?: Snippet;
 	}
 
 	let { children }: Props = $props();
+
+	// The location heading lives in the layout, not in each page: a layout
+	// survives navigation, so switching between forecasts no longer tears the
+	// heading down and rebuilds it once the next page's data has loaded.
+	// Page-specific controls (model pickers, range buttons) render into the same
+	// row through this context.
+	let actions = $state<Snippet | null>(null);
+	setContext('weather-hero', {
+		setActions: (snippet: Snippet | null) => {
+			actions = snippet;
+		}
+	});
+
+	// Page data wins; the persisted store covers the moment before the first
+	// load resolves (and any weather page that doesn't carry a location).
+	let location = $derived($page.data.location ?? $storedLocation);
+
+	const SUBTITLES: [string, string][] = [
+		['/weather/week', '7-day forecast'],
+		['/weather/compare', 'Model comparison'],
+		['/weather/14-day', '14-day ensemble forecast'],
+		['/weather/seasonal', 'Seasonal outlook'],
+		['/weather/historical', 'Historical weather']
+	];
+	let subtitle = $derived(
+		SUBTITLES.find(([prefix]) => $page.url.pathname.startsWith(prefix))?.[1] ?? null
+	);
 </script>
 
+{#if subtitle && location}
+	<div class="relative mb-3 flex flex-wrap items-center justify-between gap-x-6 gap-y-3 md:mb-5">
+		<div class="flex min-w-0 items-center gap-3">
+			<img
+				class="h-10 w-10 shrink-0 rounded-full shadow-sm ring-2 ring-border"
+				src="/images/country-flags/{(location.country_code || 'united_nations').toLowerCase()}.svg"
+				alt={location.country ?? ''}
+			/>
+			<div class="min-w-0">
+				<h1 class="truncate text-2xl leading-tight font-bold tracking-tight md:text-3xl">
+					{location.name}
+				</h1>
+				<p class="truncate text-sm text-muted-foreground">
+					<span class="lg:hidden"
+						>{#if location.admin1}{location.admin1},
+						{/if}{location.country ?? ''}<span class="mx-1 opacity-50">·</span></span
+					>{subtitle}
+				</p>
+			</div>
+		</div>
+
+		{#if actions}{@render actions()}{/if}
+	</div>
+{/if}
+
 {@render children?.()}

src/routes/weather/14-day/[location]/+page.svelte

@@ -15,6 +15,7 @@
 		fetchEnsembleForecast
 	} from '$lib/services/weather';
 
+	import { useHeroActions } from '../../hero.svelte';
 	import { defaultParameters, ensembleModelGroups } from '../../options';
 	import ModelSelector from '../../week/[location]/ModelSelector.svelte';
 
@@ -36,6 +37,8 @@
 
 	let { data }: { data: PageData } = $props();
 
+	useHeroActions(heroActions);
+
 	// the URL is the source of truth: location comes from the load function,
 	// which is also correct on hydrated prerendered pages. The persisted store
 	// only mirrors it so the header and bare /weather/* redirects follow along.
@@ -272,28 +275,8 @@
 	});
 </script>
 
-<!-- ─── Page hero: location + ensemble model selection ─────────────────────── -->
-
-<div class="relative mb-3 flex flex-wrap items-center justify-between gap-x-6 gap-y-3 md:mb-5">
-	<div class="flex min-w-0 items-center gap-3">
-		<img
-			class="h-10 w-10 shrink-0 rounded-full shadow-sm ring-2 ring-border"
-			src="/images/country-flags/{(location.country_code || 'united_nations').toLowerCase()}.svg"
-			alt={location.country ?? ''}
-		/>
-		<div class="min-w-0">
-			<h1 class="truncate text-2xl leading-tight font-bold tracking-tight md:text-3xl">
-				{location.name}
-			</h1>
-			<p class="truncate text-sm text-muted-foreground">
-				<span class="lg:hidden"
-					>{#if location.admin1}{location.admin1},
-					{/if}{location.country ?? ''}<span class="mx-1 opacity-50">·</span></span
-				>14-day ensemble forecast
-			</p>
-		</div>
-	</div>
-
+<!-- the ensemble picker rides in the layout's location row (see weather/+layout) -->
+{#snippet heroActions()}
 	<div class="lg:absolute lg:right-0 lg:top-0 flex w-full items-center gap-3 sm:w-auto">
 		<ModelSelector
 			selectedModel={params.models?.[0] ?? 'ncep_gefs_seamless'}
@@ -305,7 +288,7 @@
 			}}
 		/>
 	</div>
-</div>
+{/snippet}
 
 <!-- ─── Chart Area ─────────────────────────────────────────────────────────── -->
 

src/routes/weather/compare/[location]/+page.svelte

@@ -28,6 +28,7 @@
 		fetchModelComparison
 	} from '$lib/services/weather';
 
+	import { useHeroActions } from '../../hero.svelte';
 	import { findModel, hourly, modelGroups } from '../../options';
 	import { defaultParameters } from '../../options';
 	import ModelPictogramTimeline from './ModelPictogramTimeline.svelte';
@@ -52,6 +53,8 @@
 
 	let { data }: { data: PageData } = $props();
 
+	useHeroActions(heroActions);
+
 	// the URL is the source of truth: location comes from the load function,
 	// which is also correct on hydrated prerendered pages. The persisted store
 	// only mirrors it so the header and bare /weather/* redirects follow along.
@@ -280,28 +283,8 @@
 	});
 </script>
 
-<!-- ─── Page hero: location (matches the other forecast pages) ──────────────── -->
-
-<div class="relative mb-3 flex flex-wrap items-center justify-between gap-x-6 gap-y-3 md:mb-5">
-	<div class="flex min-w-0 items-center gap-3">
-		<img
-			class="h-10 w-10 shrink-0 rounded-full shadow-sm ring-2 ring-border"
-			src="/images/country-flags/{(location.country_code || 'united_nations').toLowerCase()}.svg"
-			alt={location.country ?? ''}
-		/>
-		<div class="min-w-0">
-			<h1 class="truncate text-2xl leading-tight font-bold tracking-tight md:text-3xl">
-				{location.name}
-			</h1>
-			<p class="truncate text-sm text-muted-foreground">
-				<span class="lg:hidden"
-					>{#if location.admin1}{location.admin1},
-					{/if}{location.country ?? ''}<span class="mx-1 opacity-50">·</span></span
-				>Model comparison
-			</p>
-		</div>
-	</div>
-
+<!-- the zoom controls ride in the layout's location row (see weather/+layout) -->
+{#snippet heroActions()}
 	<!-- Range / zoom controls, aligned with the title like the other pages -->
 	<div class="lg:absolute lg:right-0 lg:top-20 z-40 flex flex-wrap items-center gap-3">
 		<span class="hidden text-xs text-muted-foreground lg:inline">
@@ -345,7 +328,7 @@
 			{/each}
 		</div>
 	</div>
-</div>
+{/snippet}
 
 <!-- ─── Chart Area ─────────────────────────────────────────────────────────── -->
 

src/routes/weather/hero.svelte.ts

@@ -0,0 +1,20 @@
+import { getContext } from 'svelte';
+
+import type { Snippet } from 'svelte';
+
+interface HeroContext {
+	setActions: (snippet: Snippet | null) => void;
+}
+
+/**
+ * Renders a page's own controls into the shared location row that lives in
+ * `weather/+layout.svelte`. The row itself stays mounted across navigation;
+ * only the controls swap, and they are cleared when the page unmounts.
+ */
+export function useHeroActions(actions: Snippet): void {
+	const hero = getContext<HeroContext>('weather-hero');
+	$effect(() => {
+		hero.setActions(actions);
+		return () => hero.setActions(null);
+	});
+}

src/routes/weather/historical/[location]/+page.svelte

@@ -204,28 +204,6 @@
 	<meta name="description" content="Past weather and climate-normal comparisons for any location" />
 </svelte:head>
 
-<!-- Page hero -->
-<div class="relative mb-3 flex flex-wrap items-center justify-between gap-x-6 gap-y-3 md:mb-5">
-	<div class="flex min-w-0 items-center gap-3">
-		<img
-			class="h-10 w-10 shrink-0 rounded-full shadow-sm ring-2 ring-border"
-			src="/images/country-flags/{(location.country_code || 'united_nations').toLowerCase()}.svg"
-			alt={location.country ?? ''}
-		/>
-		<div class="min-w-0">
-			<h1 class="truncate text-2xl leading-tight font-bold tracking-tight md:text-3xl">
-				{location.name}
-			</h1>
-			<p class="truncate text-sm text-muted-foreground">
-				<span class="lg:hidden"
-					>{#if location.admin1}{location.admin1},
-					{/if}{location.country ?? ''}<span class="mx-1 opacity-50">·</span></span
-				>Historical weather
-			</p>
-		</div>
-	</div>
-</div>
-
 <PaywallGate feature="Historical weather">
 	<DateRangeControls
 		start={startDate}

src/routes/weather/seasonal/[location]/+page.svelte

@@ -17,6 +17,7 @@
 		fetchSeasonalForecast
 	} from '$lib/services/weather';
 
+	import { useHeroActions } from '../../hero.svelte';
 	import { defaultParameters } from '../../options';
 	import { getPrecipUnit } from '../../week/[location]/types';
 	import SeasonalCharts from './SeasonalCharts.svelte';
@@ -28,6 +29,8 @@
 
 	let { data }: { data: PageData } = $props();
 
+	useHeroActions(heroActions);
+
 	// the URL is the source of truth: location comes from the load function,
 	// which is also correct on hydrated prerendered pages. The persisted store
 	// only mirrors it so the header and bare /weather/* redirects follow along.
@@ -173,27 +176,8 @@
 	/>
 </svelte:head>
 
-<!-- Page hero -->
-<div class="relative mb-3 flex flex-wrap items-center justify-between gap-x-6 gap-y-3 md:mb-5">
-	<div class="flex min-w-0 items-center gap-3">
-		<img
-			class="h-10 w-10 shrink-0 rounded-full shadow-sm ring-2 ring-border"
-			src="/images/country-flags/{(location.country_code || 'united_nations').toLowerCase()}.svg"
-			alt={location.country ?? ''}
-		/>
-		<div class="min-w-0">
-			<h1 class="truncate text-2xl leading-tight font-bold tracking-tight md:text-3xl">
-				{location.name}
-			</h1>
-			<p class="truncate text-sm text-muted-foreground">
-				<span class="lg:hidden"
-					>{#if location.admin1}{location.admin1},
-					{/if}{location.country ?? ''}<span class="mx-1 opacity-50">·</span></span
-				>Seasonal outlook
-			</p>
-		</div>
-	</div>
-
+<!-- the range buttons ride in the layout's location row (see weather/+layout) -->
+{#snippet heroActions()}
 	{#if result}
 		<!-- range buttons reslice the already-fetched horizon (no refetch) -->
 		<div
@@ -220,7 +204,7 @@
 			{/each}
 		</div>
 	{/if}
-</div>
+{/snippet}
 
 <!-- What a seasonal forecast is (and is not): without this the daily-looking
      charts invite over-reading. -->

src/routes/weather/week/[location]/+page.svelte

@@ -23,6 +23,7 @@
 		humanizeWeatherError
 	} from '$lib/services/weather';
 
+	import { useHeroActions } from '../../hero.svelte';
 	import { defaultParameters } from '../../options';
 	import { computeDayNightWeatherCodes } from '../../utils/weather-codes';
 	import DailyStripSticky from './DailyStripSticky.svelte';
@@ -37,6 +38,8 @@
 
 	let { data }: { data: PageData } = $props();
 
+	useHeroActions(heroActions);
+
 	let params = $state({
 		models: ['best_match'],
 		...defaultParameters
@@ -56,6 +59,14 @@
 	// arrives (no layout shift)
 	let enabledChartCount = $derived($storedChartLayout.filter((p) => p.variables.length > 0).length);
 
+	// Height the hourly table will occupy once it renders, so its placeholder
+	// reserves exactly that and nothing below it jumps. The table is a header row
+	// plus one row per enabled variable, so the count drives the estimate.
+	const TABLE_HEADER_PX = 96;
+	const TABLE_ROW_PX = 57;
+	let enabledTableRows = $derived(Object.values($storedVariablePrefs.table).filter(Boolean).length);
+	let tableSkeletonHeight = $derived(TABLE_HEADER_PX + enabledTableRows * TABLE_ROW_PX);
+
 	// Request only the hourly variables the table rows and meteograms actually
 	// show, so unused variables are never fetched. weather_code is always
 	// included: the day cards / strip derive their day- and night-period icons
@@ -200,45 +211,24 @@
 	<meta name="description" content="7-day weather forecast with detailed hourly data" />
 </svelte:head>
 
+<!-- the model picker rides in the layout's location row (see weather/+layout) -->
+{#snippet heroActions()}
+	<div class="lg:absolute lg:right-0 lg:top-0 flex w-full min-w-0 items-center gap-3 sm:w-auto">
+		<ModelSelector
+			selectedModel={params.models?.[0] ?? 'best_match'}
+			onModelChange={(model) => {
+				params.models = [model];
+				storedModel.set(model);
+				// a new model may not support the extended / past range
+				forecastDays = 7;
+				pastDays = 0;
+			}}
+		/>
+	</div>
+{/snippet}
+
 <div class="week-page">
 	<div class="weather-content" style="min-height: 50vh">
-		<!-- Page hero: prominent location + weather model selection -->
-		<div class="relative flex flex-wrap items-center justify-between gap-x-6 gap-y-3 md:mb-5">
-			<div class="flex min-w-0 items-center gap-3">
-				<img
-					class="h-10 w-10 shrink-0 rounded-full shadow-sm ring-2 ring-border"
-					src="/images/country-flags/{(
-						location.country_code || 'united_nations'
-					).toLowerCase()}.svg"
-					alt={location.country ?? ''}
-				/>
-				<div class="min-w-0">
-					<h1 class="truncate text-2xl leading-tight font-bold tracking-tight md:text-3xl">
-						{location.name}
-					</h1>
-					<p class="truncate text-sm text-muted-foreground">
-						<span class="lg:hidden"
-							>{#if location.admin1}{location.admin1},
-							{/if}{location.country ?? ''}<span class="mx-1 opacity-50">·</span></span
-						>7-day forecast
-					</p>
-				</div>
-			</div>
-
-			<div class="lg:absolute lg:right-0 lg:top-0 flex w-full min-w-0 items-center gap-3 sm:w-auto">
-				<ModelSelector
-					selectedModel={params.models?.[0] ?? 'best_match'}
-					onModelChange={(model) => {
-						params.models = [model];
-						storedModel.set(model);
-						// a new model may not support the extended / past range
-						forecastDays = 7;
-						pastDays = 0;
-					}}
-				/>
-			</div>
-		</div>
-
 		<VariableSidebar open={variableSidebarOpen} onClose={() => (variableSidebarOpen = false)} />
 
 		{#if loadError}
@@ -314,19 +304,20 @@
 		     the strip's sentinel view-timeline so the sticky strip (a sibling of
 		     the sentinel) can scrub its collapse from it. -->
 		<div style="timeline-scope: --daystrip-sentinel">
-			{#if fetchedDaily}
-				<DailyStripSticky
-					daily={fetchedDaily}
-					{selectedDay}
-					units={params}
-					onSelectDay={switchDay}
-					canExtend={forecastDays < 15}
-					onExtend={() => (forecastDays = 15)}
-					canExtendPast={pastDays < 3}
-					onExtendPast={() => (pastDays = 3)}
-					{locationRoute}
-				/>
-			{/if}
+			<!-- rendered even before the data lands: the strip's box is a fixed
+			     height, so keeping it mounted reserves its space (it shows skeleton
+			     tiles meanwhile) instead of shoving the page down on arrival -->
+			<DailyStripSticky
+				daily={fetchedDaily}
+				{selectedDay}
+				units={params}
+				onSelectDay={switchDay}
+				canExtend={forecastDays < 15}
+				onExtend={() => (forecastDays = 15)}
+				canExtendPast={pastDays < 3}
+				onExtendPast={() => (pastDays = 3)}
+				{locationRoute}
+			/>
 
 			{#if fetchedHourly && fetchedDaily}
 				<HourlyTable
@@ -338,18 +329,41 @@
 					onCustomize={() => (variableSidebarOpen = true)}
 				/>
 			{:else}
-				<!-- placeholder with the table's approximate height: no layout shift -->
+				<!-- Mirrors the real table: same header bar and the same body height,
+				     so the heading doesn't pop in and nothing below moves.
+				     Placeholders only fade IN - a fade-out would keep them in the
+				     layout while the real content mounts below, and everything below
+				     would jump the moment they finally unmount. -->
 				<div
-					transition:fade={{ duration: 200 }}
-					class="h-107.5 animate-pulse rounded-2xl border border-border/70 bg-card"
-				></div>
+					in:fade={{ duration: 200 }}
+					class="-mx-3 overflow-hidden border-y border-border/70 bg-card shadow-sm md:mx-0 md:rounded-2xl md:border"
+				>
+					<div
+						class="flex items-center justify-between gap-2 border-b border-border/70 bg-muted/40 px-4 py-2.5"
+					>
+						<div class="h-6 w-44 animate-pulse rounded bg-muted"></div>
+						<div class="flex items-center gap-2">
+							<div class="h-8 w-24 animate-pulse rounded-lg bg-muted"></div>
+							<div class="h-8 w-20 animate-pulse rounded-lg bg-muted"></div>
+						</div>
+					</div>
+					<div class="animate-pulse bg-card" style="height: {tableSkeletonHeight}px"></div>
+				</div>
 			{/if}
 
 			{#if fetchedHourly}
 				<MeteogramCharts data={fetchedHourly} {selectedDay} units={params} {loading} />
 			{:else}
-				<!-- reserve the exact chart area height before the first fetch resolves -->
-				<section class="mt-8" transition:fade={{ duration: 200 }}>
+				<!-- reserve the exact chart area height before the first fetch resolves,
+				     header row included -->
+				<section class="mt-8" in:fade={{ duration: 200 }}>
+					<div class="mb-3 flex flex-wrap items-center justify-between gap-2">
+						<div class="h-7 w-52 animate-pulse rounded bg-muted"></div>
+						<div class="flex items-center gap-3">
+							<div class="h-7 w-56 animate-pulse rounded-lg bg-muted"></div>
+							<div class="h-7 w-24 animate-pulse rounded-lg bg-muted"></div>
+						</div>
+					</div>
 					<ChartContainer loading chartCount={enabledChartCount || 1} chartHeight={300} />
 				</section>
 			{/if}

src/routes/weather/week/[location]/ChartCustomizer.svelte

@@ -1,7 +1,13 @@
 <script lang="ts">
 	import { fade, fly } from 'svelte/transition';
 
-	import { type ChartPanel, defaultChartLayout, storedChartLayout } from '$lib/stores/settings';
+	import {
+		type ChartPanel,
+		type ChartRangePref,
+		defaultChartLayout,
+		storedChartLayout,
+		storedChartRange
+	} from '$lib/stores/settings';
 
 	import { CHART_VARIABLES, VARIABLE_BY_KEY } from './variables';
 
@@ -14,6 +20,14 @@
 
 	// Variables not placed in any panel form the "available" pool.
 	let usedKeys = $derived(new Set($storedChartLayout.flatMap((p) => p.variables)));
+
+	const RANGE_OPTIONS: { value: ChartRangePref; label: string; hint: string }[] = [
+		{ value: 'auto', label: 'Auto', hint: '3 days on phones, everything on wider screens' },
+		{ value: 'today', label: 'Today', hint: 'Open on the current day' },
+		{ value: '3d', label: '3 days', hint: 'Open on the next three days' },
+		{ value: '5d', label: '5 days', hint: 'Open on the next five days' },
+		{ value: 'all', label: 'All', hint: 'Open on the full forecast' }
+	];
 	let availableVars = $derived(CHART_VARIABLES.filter((v) => !usedKeys.has(v.key)));
 
 	// ─── Drag state ─────────────────────────────────────────────────────────────
@@ -159,6 +173,34 @@
 			</div>
 
 			<div class="flex-1 space-y-4 overflow-y-auto px-5 py-4">
+				<!-- Which slice of the forecast the meteograms open on -->
+				<div class="rounded-xl border border-border p-3">
+					<div class="mb-2 flex items-baseline justify-between gap-2">
+						<span class="text-[11px] font-bold tracking-wider text-primary uppercase">
+							Default time range
+						</span>
+						<span class="text-[11px] text-muted-foreground">
+							{RANGE_OPTIONS.find((o) => o.value === $storedChartRange)?.hint}
+						</span>
+					</div>
+					<div class="flex gap-1 rounded-lg bg-muted p-0.5">
+						{#each RANGE_OPTIONS as option (option.value)}
+							{@const active = $storedChartRange === option.value}
+							<button
+								type="button"
+								class="flex-1 cursor-pointer rounded-md px-2 py-1.5 text-[13px] font-semibold whitespace-nowrap transition-colors {active
+									? 'bg-background text-foreground shadow-sm'
+									: 'text-muted-foreground hover:text-foreground'}"
+								aria-pressed={active}
+								title={option.hint}
+								onclick={() => storedChartRange.set(option.value)}
+							>
+								{option.label}
+							</button>
+						{/each}
+					</div>
+				</div>
+
 				{#each $storedChartLayout as panel, i (panel.id)}
 					<div
 						data-zone={panel.id}

src/routes/weather/week/[location]/DailyStripSticky.svelte

@@ -44,6 +44,10 @@
 		locationRoute
 	}: Props = $props();
 
+	// enough placeholder tiles to fill a wide viewport; the row scrolls, so a
+	// couple too many costs nothing
+	const SKELETON_CELLS = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
+
 	// ─── Scroll-driven collapse (full cards → compact strip) ────────────────────
 	// All sizing derives from a single registered custom property `--strip-p`
 	// (0 = full cards, 1 = compact strip). Mobile and desktop share the exact
@@ -308,7 +312,7 @@
 									class="flex w-full flex-col items-center gap-0.5 md:flex-row md:justify-center md:gap-2"
 								>
 									<span class="inline-flex items-center gap-1 {lowPrecip ? 'opacity-40' : ''}">
-										<svg class="fill-sky-500" width="13" height="13">
+										<svg class="fill-sky-500" width="16" height="16">
 											<use xlink:href="/images/weather-icons/wi-raindrop.svg#Layer_1"></use>
 										</svg>
 										{Number(precipSum ?? 0).toFixed(precipSum >= 10 ? 0 : 1)}
@@ -319,16 +323,16 @@
 												class="hidden shrink-0 md:inline-flex md:-mr-1"
 												style="transform: {getWindArrowRotation(windDir)}"
 											>
-												<svg class="fill-muted-foreground" width="20" height="20">
+												<svg class="fill-muted-foreground" width="25" height="25">
 													<use xlink:href="/images/weather-icons/wi-direction-down.svg#Layer_1"
 													></use>
 												</svg>
 											</span>
-											<svg class="fill-muted-foreground md:hidden" width="13" height="13">
+											<svg class="fill-muted-foreground md:hidden" width="16" height="16">
 												<use xlink:href="/images/weather-icons/wi-strong-wind.svg#Layer_1"></use>
 											</svg>
 										{:else}
-											<svg class="fill-muted-foreground" width="13" height="13">
+											<svg class="fill-muted-foreground" width="16" height="16">
 												<use xlink:href="/images/weather-icons/wi-strong-wind.svg#Layer_1"></use>
 											</svg>
 										{/if}
@@ -391,6 +395,16 @@
 					</a>
 				{/if}
 			</div>
+		{:else}
+			<!-- same cell metrics as the real strip, so the bar looks alive while
+			     the forecast lands and nothing moves when it does -->
+			<div class="strip-days flex">
+				{#each SKELETON_CELLS as i (i)}
+					<div
+						class="strip-cell shrink-0 animate-pulse rounded-xl border border-border/50 bg-muted/60"
+					></div>
+				{/each}
+			</div>
 		{/if}
 	</div>
 </div>

src/routes/weather/week/[location]/MeteogramCharts.svelte

@@ -1,7 +1,12 @@
 <script lang="ts">
 	import { fade } from 'svelte/transition';
 
-	import { type ChartPanel, storedChartLayout } from '$lib/stores/settings';
+	import {
+		type ChartPanel,
+		type ChartRangePref,
+		storedChartLayout,
+		storedChartRange
+	} from '$lib/stores/settings';
 
 	import { formatZoned, getRelativeDayLabel, isSameDayInZone } from '$lib/utils/date';
 
@@ -86,11 +91,47 @@
 		liveCharts[0].setRange(start, start + days * SECONDS_PER_DAY);
 	}
 
-	function resetZoom(): void {
+	/** Drop any zoom and show the whole forecast. */
+	function showFullRange(): void {
 		liveCharts[0]?.resetRange();
 		onResetZoom?.();
 	}
 
+	/** Back to the range the meteograms are configured to open on. */
+	function resetZoom(): void {
+		applyDefaultRange();
+		onResetZoom?.();
+	}
+
+	// ─── Default range ──────────────────────────────────────────────────────────
+
+	/** Days the preference resolves to, or null for the full range. */
+	function rangeDaysFor(pref: ChartRangePref): number | null {
+		if (pref === 'today') return 1;
+		if (pref === '3d') return 3;
+		if (pref === '5d') return 5;
+		if (pref === 'all') return null;
+		// auto: a week of hourly data is unreadable on a phone-width plot
+		const phone = typeof window !== 'undefined' && window.matchMedia('(max-width: 767px)').matches;
+		return phone ? 3 : null;
+	}
+
+	function applyDefaultRange(): void {
+		const days = rangeDaysFor($storedChartRange);
+		if (days == null) liveCharts[0]?.resetRange();
+		else setRangeDays(new Date(), days);
+	}
+
+	// Applied once the charts exist, and again whenever the preference changes -
+	// but never after that, so it can't fight a zoom the user just set by hand.
+	let appliedPref: ChartRangePref | null = null;
+	$effect(() => {
+		const pref = $storedChartRange;
+		if (liveCharts.length === 0 || timestampsSec.length === 0 || appliedPref === pref) return;
+		appliedPref = pref;
+		applyDefaultRange();
+	});
+
 	const now = new Date();
 	// "Selected day" is redundant while today is the selected day, so hide it then
 	let rangePresets = $derived.by(() => {
@@ -100,7 +141,7 @@
 			...(isToday ? [] : [{ label: 'Selected day', apply: () => setRangeDays(selectedDay, 1) }]),
 			{ label: '3 days', apply: () => setRangeDays(new Date(), 3) },
 			{ label: '5 days', apply: () => setRangeDays(new Date(), 5) },
-			{ label: 'All', apply: () => resetZoom() }
+			{ label: 'All', apply: () => showFullRange() }
 		];
 	});