finish animations and add elevation

messages/de.json

@@ -1,6 +1,6 @@
 {
 	"$schema": "https://inlang.com/schema/inlang-message-format",
-	"nav_week": "7-Tage-Vorhersage",
+	"nav_week": "Wochenvorhersage",
 	"nav_compare": "Modellvergleich",
 	"nav_14day": "14-Tage-Vorhersage",
 	"nav_seasonal": "Saisonal",
@@ -44,7 +44,7 @@
 	"day_today": "Heute",
 	"day_tomorrow": "Morgen",
 	"day_yesterday": "Gestern",
-	"page_week_subtitle": "7-Tage-Vorhersage",
+	"page_week_subtitle": "Wochenvorhersage",
 	"page_compare_subtitle": "Modellvergleich",
 	"page_14day_subtitle": "14-Tage-Ensemblevorhersage",
 	"page_seasonal_subtitle": "Saisonale Aussichten",
@@ -269,7 +269,7 @@
 	"legend_show": "Legende anzeigen",
 	"meteograms_none_before": "Keine Meteogramme konfiguriert,",
 	"meteograms_none_action": "fügen Sie Variablen hinzu",
-	"meteograms_none_historical": "Keine Meteogramme konfiguriert. Fügen Sie Variablen auf der 7-Tage-Seite hinzu.",
+	"meteograms_none_historical": "Keine Meteogramme konfiguriert. Fügen Sie Variablen auf der Wochenvorhersage-Seite hinzu.",
 	"search_searching": "Wird gesucht…",
 	"search_favorites": "Favoriten",
 	"search_recent": "Zuletzt",
@@ -282,6 +282,7 @@
 	"model_automatic_selection": "Automatische Auswahl",
 	"model_selector_aria": "Auswahl: {label}",
 	"compare_models_heading": "Modelle",
+	"compare_models_choose": "Modelle für den Vergleich wählen",
 	"compare_variables_heading": "Stündliche Wettervariablen",
 	"compare_timeline_title": "Zeitleiste des Modellvergleichs",
 	"compare_model_label": "Modell",

messages/en.json

@@ -1,6 +1,6 @@
 {
 	"$schema": "https://inlang.com/schema/inlang-message-format",
-	"nav_week": "7-Day Forecast",
+	"nav_week": "Weekly Forecast",
 	"nav_compare": "Model Comparison",
 	"nav_14day": "14-Day Forecast",
 	"nav_seasonal": "Seasonal",
@@ -44,7 +44,7 @@
 	"day_today": "Today",
 	"day_tomorrow": "Tomorrow",
 	"day_yesterday": "Yesterday",
-	"page_week_subtitle": "7-day forecast",
+	"page_week_subtitle": "Weekly forecast",
 	"page_compare_subtitle": "Model comparison",
 	"page_14day_subtitle": "14-day ensemble forecast",
 	"page_seasonal_subtitle": "Seasonal outlook",
@@ -269,7 +269,7 @@
 	"legend_show": "Show legend",
 	"meteograms_none_before": "No meteograms configured,",
 	"meteograms_none_action": "add some variables",
-	"meteograms_none_historical": "No meteograms configured. Add variables from the 7-day forecast page.",
+	"meteograms_none_historical": "No meteograms configured. Add variables from the weekly forecast page.",
 	"search_searching": "Searching...",
 	"search_favorites": "Favorites",
 	"search_recent": "Recent",
@@ -282,6 +282,7 @@
 	"model_automatic_selection": "Automatic selection",
 	"model_selector_aria": "{label} selection",
 	"compare_models_heading": "Models",
+	"compare_models_choose": "Choose which models to plot",
 	"compare_variables_heading": "Hourly Weather Variables",
 	"compare_timeline_title": "Model Comparison Timeline",
 	"compare_model_label": "Model",

messages/es.json

@@ -1,6 +1,6 @@
 {
 	"$schema": "https://inlang.com/schema/inlang-message-format",
-	"nav_week": "Pronóstico de 7 días",
+	"nav_week": "Pronóstico semanal",
 	"nav_compare": "Comparación de modelos",
 	"nav_14day": "Pronóstico de 14 días",
 	"nav_seasonal": "Estacional",
@@ -44,11 +44,11 @@
 	"day_today": "Hoy",
 	"day_tomorrow": "Mañana",
 	"day_yesterday": "Ayer",
-	"page_week_subtitle": "pronóstico de 7 días",
-	"page_compare_subtitle": "comparación de modelos",
-	"page_14day_subtitle": "pronóstico de conjunto a 14 días",
-	"page_seasonal_subtitle": "previsión estacional",
-	"page_historical_subtitle": "clima histórico",
+	"page_week_subtitle": "Pronóstico semanal",
+	"page_compare_subtitle": "Comparación de modelos",
+	"page_14day_subtitle": "Pronóstico de conjunto a 14 días",
+	"page_seasonal_subtitle": "Previsión estacional",
+	"page_historical_subtitle": "Clima histórico",
 	"hourly_heading": "por horas",
 	"hourly_variables": "Variables",
 	"meteograms_heading": "Meteogramas",
@@ -269,7 +269,7 @@
 	"legend_show": "Mostrar leyenda",
 	"meteograms_none_before": "No hay meteogramas configurados,",
 	"meteograms_none_action": "añade algunas variables",
-	"meteograms_none_historical": "No hay meteogramas configurados. Añade variables desde la página de 7 días.",
+	"meteograms_none_historical": "No hay meteogramas configurados. Añade variables desde la página del pronóstico semanal.",
 	"search_searching": "Buscando…",
 	"search_favorites": "Favoritos",
 	"search_recent": "Recientes",
@@ -282,6 +282,7 @@
 	"model_automatic_selection": "Selección automática",
 	"model_selector_aria": "Selección de {label}",
 	"compare_models_heading": "Modelos",
+	"compare_models_choose": "Elige los modelos a comparar",
 	"compare_variables_heading": "Variables meteorológicas horarias",
 	"compare_timeline_title": "Cronología de comparación de modelos",
 	"compare_model_label": "Modelo",

messages/fr.json

@@ -1,6 +1,6 @@
 {
 	"$schema": "https://inlang.com/schema/inlang-message-format",
-	"nav_week": "Prévisions à 7 jours",
+	"nav_week": "Prévisions hebdomadaires",
 	"nav_compare": "Comparaison des modèles",
 	"nav_14day": "Prévisions à 14 jours",
 	"nav_seasonal": "Saisonnier",
@@ -44,11 +44,11 @@
 	"day_today": "Aujourd'hui",
 	"day_tomorrow": "Demain",
 	"day_yesterday": "Hier",
-	"page_week_subtitle": "prévisions à 7 jours",
-	"page_compare_subtitle": "comparaison des modèles",
-	"page_14day_subtitle": "prévision d'ensemble à 14 jours",
-	"page_seasonal_subtitle": "tendances saisonnières",
-	"page_historical_subtitle": "météo historique",
+	"page_week_subtitle": "Prévisions hebdomadaires",
+	"page_compare_subtitle": "Comparaison des modèles",
+	"page_14day_subtitle": "Prévision d'ensemble à 14 jours",
+	"page_seasonal_subtitle": "Tendances saisonnières",
+	"page_historical_subtitle": "Météo historique",
 	"hourly_heading": "par heure",
 	"hourly_variables": "Variables",
 	"meteograms_heading": "Météogrammes",
@@ -269,7 +269,7 @@
 	"legend_show": "Afficher la légende",
 	"meteograms_none_before": "Aucun météogramme configuré,",
 	"meteograms_none_action": "ajoutez des variables",
-	"meteograms_none_historical": "Aucun météogramme configuré. Ajoutez des variables depuis la page 7 jours.",
+	"meteograms_none_historical": "Aucun météogramme configuré. Ajoutez des variables depuis la page des prévisions hebdomadaires.",
 	"search_searching": "Recherche…",
 	"search_favorites": "Favoris",
 	"search_recent": "Récents",
@@ -282,6 +282,7 @@
 	"model_automatic_selection": "Sélection automatique",
 	"model_selector_aria": "Sélection : {label}",
 	"compare_models_heading": "Modèles",
+	"compare_models_choose": "Choisir les modèles à comparer",
 	"compare_variables_heading": "Variables météo horaires",
 	"compare_timeline_title": "Chronologie de comparaison des modèles",
 	"compare_model_label": "Modèle",

messages/it.json

@@ -1,6 +1,6 @@
 {
 	"$schema": "https://inlang.com/schema/inlang-message-format",
-	"nav_week": "Previsioni a 7 giorni",
+	"nav_week": "Previsioni settimanali",
 	"nav_compare": "Confronto modelli",
 	"nav_14day": "Previsioni a 14 giorni",
 	"nav_seasonal": "Stagionale",
@@ -44,11 +44,11 @@
 	"day_today": "Oggi",
 	"day_tomorrow": "Domani",
 	"day_yesterday": "Ieri",
-	"page_week_subtitle": "previsioni a 7 giorni",
-	"page_compare_subtitle": "confronto modelli",
-	"page_14day_subtitle": "previsione d'insieme a 14 giorni",
-	"page_seasonal_subtitle": "tendenze stagionali",
-	"page_historical_subtitle": "meteo storico",
+	"page_week_subtitle": "Previsioni settimanali",
+	"page_compare_subtitle": "Confronto modelli",
+	"page_14day_subtitle": "Previsione d'insieme a 14 giorni",
+	"page_seasonal_subtitle": "Tendenze stagionali",
+	"page_historical_subtitle": "Meteo storico",
 	"hourly_heading": "orario",
 	"hourly_variables": "Variabili",
 	"meteograms_heading": "Meteogrammi",
@@ -269,7 +269,7 @@
 	"legend_show": "Mostra legenda",
 	"meteograms_none_before": "Nessun meteogramma configurato,",
 	"meteograms_none_action": "aggiungi qualche variabile",
-	"meteograms_none_historical": "Nessun meteogramma configurato. Aggiungi variabili dalla pagina a 7 giorni.",
+	"meteograms_none_historical": "Nessun meteogramma configurato. Aggiungi variabili dalla pagina delle previsioni settimanali.",
 	"search_searching": "Ricerca in corso…",
 	"search_favorites": "Preferiti",
 	"search_recent": "Recenti",
@@ -282,6 +282,7 @@
 	"model_automatic_selection": "Selezione automatica",
 	"model_selector_aria": "Selezione di {label}",
 	"compare_models_heading": "Modelli",
+	"compare_models_choose": "Scegli i modelli da confrontare",
 	"compare_variables_heading": "Variabili meteo orarie",
 	"compare_timeline_title": "Cronologia del confronto tra modelli",
 	"compare_model_label": "Modello",

src/lib/components/navigation/header.svelte

@@ -45,8 +45,16 @@
 	// separators spelled out in the template lose their spacing to Svelte's
 	// whitespace trimming ("Canton of Schwyz,Switzerland").
 	let locationRegion = $derived([location?.admin1, location?.country].filter(Boolean).join(', '));
+	// elevation rides along in the pill's muted part ("· Canton of Schwyz,
+	// Switzerland · 465m"); a 0 m coastal town is a real reading, only a
+	// missing value is dropped
+	let locationDetail = $derived(
+		[locationRegion, location?.elevation != null ? `${Math.round(location.elevation)}m` : null]
+			.filter(Boolean)
+			.join(' · ')
+	);
 	// the pill ellipses, so the full name still has to be readable somewhere
-	let locationLine = $derived([location?.name, locationRegion].filter(Boolean).join(' · '));
+	let locationLine = $derived([location?.name, locationDetail].filter(Boolean).join(' · '));
 
 	const themeCycle: Theme[] = ['system', 'light', 'dark'];
 	const themeTitles: Record<Theme, () => string> = {
@@ -120,8 +128,8 @@
 			<!-- full location (desktop); the page hero carries it on smaller screens -->
 			<span class="min-w-0 truncate text-sm font-semibold text-foreground" title={locationLine}>
 				{location.name}
-				{#if locationRegion}
-					<span class="font-normal text-muted-foreground">· {locationRegion}</span>
+				{#if locationDetail}
+					<span class="font-normal text-muted-foreground">· {locationDetail}</span>
 				{/if}
 			</span>
 		</div>

src/lib/stores/page-transition.svelte.ts

@@ -10,6 +10,18 @@ import { writable } from 'svelte/store';
  */
 export const pageContentReady = writable(true);
 
+/**
+ * Raised by the layout just before it captures a navigation away from the maps
+ * page. The map is a cross-origin iframe, which browsers do not paint into a
+ * view transition snapshot - captured bare, the outgoing page would carry a
+ * hole where the map was. The maps page answers by laying an opaque
+ * same-origin cover over the iframe (the same one that hides the map while it
+ * boots), so the snapshot shows a clean panel and the cross-fade has something
+ * real to fade from. The layout lowers it again once the navigation is
+ * through.
+ */
+export const mapTransitionCover = writable(false);
+
 /**
  * Called by the layout before it swaps to a route that fetches its own data.
  *

src/lib/utils/day-swap.ts

@@ -3,6 +3,7 @@ import { tick } from 'svelte';
 import {
 	canStartViewTransition,
 	prefersReducedMotion,
+	skipActiveViewTransition,
 	startViewTransition,
 	supportsViewTransitions
 } from './view-transition';
@@ -21,15 +22,40 @@ import {
  * applies: starting a rival transition would skip the running one and flash the
  * page (see view-transition.ts).
  */
+/** Guards the shared cleanup below against a switch superseding a switch. */
+let dayTransitionToken = 0;
+
 export async function runDayTransition(update: () => void): Promise<void> {
 	if (!canStartViewTransition()) {
 		update();
 		return;
 	}
 
-	// Svelte applies the change on the next tick; the transition has to wait for
-	// that before it snapshots the new state. `day-switch` scopes which regions
-	// take part (see routes/layout.css) and is cleared for us when it ends.
+	const token = ++dayTransitionToken;
+	const root = document.documentElement;
+
+	// The region snapshots include the part of the table normally scrolled up
+	// behind the sticky strip; the transition overlay is clipped at the bar's
+	// bottom edge so they cannot paint over the (live, clickable) strip.
+	// Measured per switch because the bar's height follows the scroll collapse.
+	const bar = document.querySelector('.daystrip .strip-row');
+	if (bar) {
+		const clip = Math.max(0, bar.getBoundingClientRect().bottom);
+		root.style.setProperty('--day-switch-clip', `${clip}px`);
+	}
+
+	// The page stays scrollable during the fade, but the snapshots and the clip
+	// line above are anchored to where things were at capture - so the first
+	// sign of scrolling finishes the fade on the spot instead of animating
+	// against a moving page.
+	const skip = () => skipActiveViewTransition();
+	window.addEventListener('wheel', skip, { passive: true });
+	window.addEventListener('touchmove', skip, { passive: true });
+
+	try {
+		// Svelte applies the change on the next tick; the transition has to wait
+		// for that before it snapshots the new state. `day-switch` scopes which
+		// regions take part (see routes/layout.css) and is cleared when it ends.
 		await startViewTransition(
 			async () => {
 				update();
@@ -37,6 +63,12 @@ export async function runDayTransition(update: () => void): Promise<void> {
 			},
 			{ rootClass: 'day-switch' }
 		);
+	} finally {
+		window.removeEventListener('wheel', skip);
+		window.removeEventListener('touchmove', skip);
+		// a newer switch owns the clip var now; only the last one may clear it
+		if (token === dayTransitionToken) root.style.removeProperty('--day-switch-clip');
+	}
 }
 
 /**

src/lib/utils/view-transition.ts

@@ -42,6 +42,29 @@ interface Options {
 /** Set while a transition holds the screen frozen on the outgoing snapshot. */
 let capturing: Promise<void> | null = null;
 
+/**
+ * How many running transitions hold each scoping class. A superseded
+ * transition's cleanup fires while its successor is mid-capture (skipping
+ * rejects `finished` on a microtask, which runs before the next render);
+ * without the count it would strip the class out from under the successor,
+ * and a day switch captured without `day-switch` falls back to the full-page
+ * fade it exists to prevent.
+ */
+const rootClassHolds = new Map<string, number>();
+
+/** The most recently started transition, while it is capturing or animating. */
+let active: ViewTransition | null = null;
+
+/**
+ * Finishes the running transition's animation on the spot (the DOM is already
+ * in its final state, so this is always safe). Used to hand the screen back
+ * the moment the user starts scrolling under a day switch, rather than
+ * animating against a moving target.
+ */
+export function skipActiveViewTransition(): void {
+	active?.skipTransition();
+}
+
 export const supportsViewTransitions = (): boolean =>
 	typeof document !== 'undefined' && typeof document.startViewTransition === 'function';
 
@@ -76,9 +99,13 @@ export function startViewTransition(update: UpdateCallback, options: Options = {
 	}
 
 	const root = document.documentElement;
-	if (rootClass) root.classList.add(rootClass);
+	if (rootClass) {
+		rootClassHolds.set(rootClass, (rootClassHolds.get(rootClass) ?? 0) + 1);
+		root.classList.add(rootClass);
+	}
 
 	const transition = document.startViewTransition(update);
+	active = transition;
 
 	// A throw inside the callback rejects `updateCallbackDone` as well as
 	// `finished`. Nothing awaits the former, and an unhandled rejection there is
@@ -102,6 +129,14 @@ export function startViewTransition(update: UpdateCallback, options: Options = {
 			() => {}
 		)
 		.finally(() => {
-			if (rootClass) root.classList.remove(rootClass);
+			if (active === transition) active = null;
+			if (!rootClass) return;
+			const holds = (rootClassHolds.get(rootClass) ?? 1) - 1;
+			if (holds > 0) {
+				rootClassHolds.set(rootClass, holds);
+			} else {
+				rootClassHolds.delete(rootClass);
+				root.classList.remove(rootClass);
+			}
 		});
 }

src/routes/+layout.svelte

@@ -7,6 +7,7 @@
 	import { page } from '$app/stores';
 
 	import {
+		mapTransitionCover,
 		markPageLoading,
 		markPageReady,
 		pageContentReady
@@ -104,10 +105,14 @@
 	const OVERLAY_CEILING_MS = 15000;
 
 	// The map is a cross-origin iframe, and a browser does not paint one into a
-	// view transition snapshot. Any transition with the maps page on either side
-	// animates a hole where the map is: leaving it, the map drops out at frame one
-	// and that blank sits under the incoming page for the whole run. Swapping
-	// outright is the honest answer - there is nothing here to cross-fade.
+	// view transition snapshot - captured bare, any transition with the maps page
+	// on either side would animate a hole where the map is. The way out is to
+	// make sure the map is never what gets captured: the maps page keeps an
+	// opaque cover over the iframe while the map boots (so an arrival fades into
+	// a clean panel, and the map fades up once ready), and raises the same cover
+	// again just before a departure is captured (see mapTransitionCover). Both
+	// snapshots then hold real pixels and the maps page transitions like any
+	// other route.
 	const MAPS_ROUTE = '/weather/maps';
 	const onMapsPage = () => routePath(get(page).url.pathname).startsWith(MAPS_ROUTE);
 
@@ -187,7 +192,7 @@
 
 	/**
 	 * True when the navigation lands on the route and params the page is already
-	 * showing - the sidebar's home link from the 7-day page it points at, or a
+	 * showing - the sidebar's home link from the week page it points at, or a
 	 * link that differs only in the query string.
 	 *
 	 * SvelteKit keeps the page component mounted for those, and nothing it holds
@@ -206,7 +211,7 @@
 		return JSON.stringify(from.params ?? {}) === JSON.stringify(to.params ?? {});
 	}
 
-	onNavigate((navigation) => {
+	onNavigate(async (navigation) => {
 		const pending =
 			PENDING_ROUTES.has(navigation.to?.route?.id ?? '') && !landsOnCurrentPage(navigation);
 		// Either way the flag is set explicitly: leaving a page that never resolved
@@ -217,9 +222,16 @@
 		// `startViewTransition` decides whether a transition is possible at all
 		// (support, reduced motion, one already capturing) and runs the update
 		// inline when it is not - so there is exactly one path from here down.
-		const touchesMap =
-			navigation.from?.route?.id === MAPS_ROUTE || navigation.to?.route?.id === MAPS_ROUTE;
-		const underTransition = canStartViewTransition() && !touchesMap;
+		const underTransition = canStartViewTransition();
+
+		// Leaving the maps page: cover the iframe before the outgoing state is
+		// captured, so the snapshot holds a clean panel instead of a hole where
+		// the map was. The tick makes sure the cover is actually in the DOM by
+		// the time the capture reads it.
+		if (underTransition && navigation.from?.route?.id === MAPS_ROUTE) {
+			mapTransitionCover.set(true);
+			await tick();
+		}
 
 		return new Promise<void>((swap) => {
 			void startViewTransition(
@@ -242,6 +254,11 @@
 	let mainEl = $state<HTMLElement | null>(null);
 
 	afterNavigate((navigation) => {
+		// The departure snapshot (if any) is taken by now, so the maps cover has
+		// done its job; lowering it here also means a later visit to the maps page
+		// starts from its own boot cover rather than a stuck one.
+		mapTransitionCover.set(false);
+
 		// The page scrolls inside <main>, not the window, so SvelteKit's own scroll
 		// handling never touches it and a new page would open half way down.
 		// Back/forward and in-page anchors keep their position.

src/routes/layout.css

@@ -135,9 +135,18 @@
 
 	/* ── Day switching ────────────────────────────────────────────────────────
 	   Only the three regions whose content depends on the selected day take part
-	   in the cross-fade. Everything else keeps its pixels: the `day-switch`
-	   class cancels the root animation, so the strip, header and page chrome do
-	   not so much as flicker while the table, summary and charts swap over. */
+	   in the cross-fade - and nothing else is captured at all. A captured
+	   element is neither painted nor hit-testable in the live page for the
+	   length of the animation (per spec: as if it had visibility:hidden and
+	   pointer-events:none), and the root is captured by default, which captures
+	   the whole page. That is what made the strip unclickable and the page
+	   unscrollable while a switch played - no amount of pointer-events on the
+	   overlay could fix it, because the page underneath was gone too. With the
+	   root left un-named the strip, the chrome and the scroller keep their live
+	   pixels and stay fully interactive. */
+	:root.day-switch {
+		view-transition-name: none;
+	}
 	:root.day-switch .day-region-table {
 		view-transition-name: day-table;
 	}
@@ -148,23 +157,20 @@
 		view-transition-name: day-charts;
 	}
 
-	/* The sticky day strip never changes during a day switch, but it has to be
-	   captured too: view-transition snapshots all paint in one layer above the
-	   page, so without its own group (and a higher z-index in that layer) the
-	   fading table and charts would slide over the top of it. */
-	:root.day-switch .daystrip {
-		view-transition-name: daystrip;
-	}
-	::view-transition-group(daystrip) {
-		z-index: 20;
+	/* Region snapshots paint in a viewport-fixed layer above the live page, at
+	   their full layout size - including the part of the table normally
+	   scrolled up behind the sticky strip and the topbar. The strip used to be
+	   captured purely to stay on top of that, but a captured strip is dead to
+	   input; instead the whole overlay is clipped at the strip bar's bottom
+	   edge (measured per switch by runDayTransition), so the snapshots stay
+	   out of the chrome and the chrome stays live. */
+	:root.day-switch::view-transition {
+		clip-path: inset(var(--day-switch-clip, 0px) 0 0 0);
 	}
 
-	/* Same for the topbar and the sidebar: a captured region's snapshot is
-	   painted at its layout position, including the part normally scrolled up
-	   behind the chrome. Both are also identical either side of a *page* swap,
-	   so they are captured there too and pinned below - a region that does not
-	   change should not be animated at all. */
-	:root.day-switch .topbar,
+	/* Page swaps capture the topbar and sidebar: a region that is identical on
+	   both sides should not be animated at all, so they are pinned here and
+	   swapped outright below. */
 	:root.page-switch .topbar {
 		view-transition-name: topbar;
 	}
@@ -178,24 +184,27 @@
 		z-index: 25;
 	}
 
-	/* The root fade is the page swap's own; during a day switch the chrome must
-	   not so much as flicker, so it is cancelled outright. */
-	:root.day-switch::view-transition-old(root),
-	:root.day-switch::view-transition-new(root) {
-		animation: none;
-	}
-
 	@media (prefers-reduced-motion: reduce) {
 		.day-region-table,
 		.day-region-summary,
 		.day-region-charts,
-		.daystrip,
 		.topbar,
 		.sidebar-region {
 			view-transition-name: none;
 		}
 	}
 
+	/* The snapshot layer is a fixed overlay across the whole viewport and it
+	   hit-tests, so for the length of an animation every click would land on it
+	   and die - a day tapped while the previous switch is still fading simply
+	   went dead. Let input fall through to the live page instead: by the time
+	   the pseudo elements exist the DOM is already in its final state, and a
+	   click that starts a new transition supersedes the running one cleanly
+	   (see view-transition.ts). */
+	::view-transition {
+		pointer-events: none;
+	}
+
 	/* ── Cross-fades that do not dip ──────────────────────────────────────────
 	   The default cross-fade is NOT opacity-neutral: coverage of two stacked
 	   layers is `new + old * (1 - new)`, so at the midpoint the pair covers only
@@ -240,21 +249,15 @@
 		mix-blend-mode: plus-lighter;
 	}
 
-	/* Chrome captured only so the fading regions cannot paint over it. The strip
-	   does change - the selected day moves - but that change belongs to the
-	   regions' cross-fade, not to the strip, so it swaps outright: the outgoing
-	   snapshot is dropped rather than held, because the selected cell is a
-	   translucent `bg-primary/10` tint and anything left underneath shows
-	   through it as a second, doubled label. */
+	/* Pinned chrome swaps outright: identical on both sides, so any animation
+	   would only risk a flicker. */
 	::view-transition-old(topbar),
-	::view-transition-old(sidebar),
-	::view-transition-old(daystrip) {
+	::view-transition-old(sidebar) {
 		animation: none;
 		opacity: 0;
 	}
 	::view-transition-new(topbar),
-	::view-transition-new(sidebar),
-	::view-transition-new(daystrip) {
+	::view-transition-new(sidebar) {
 		animation: none;
 		opacity: 1;
 	}

src/routes/weather/+layout.svelte

@@ -45,8 +45,18 @@
 
 	// Joined here rather than in the markup: Svelte trims the whitespace around a
 	// line break, so a separator written as "{admin1},\n{country}" renders as
-	// "Canton of Schwyz,Switzerland".
-	let region = $derived([location?.admin1, location?.country].filter(Boolean).join(', '));
+	// "Canton of Schwyz,Switzerland". Elevation joins the same line; from lg up
+	// the whole line is hidden, because the topbar pill carries the region and
+	// elevation there.
+	let region = $derived(
+		[
+			location?.admin1,
+			location?.country,
+			location?.elevation != null ? `${Math.round(location.elevation)}m` : null
+		]
+			.filter(Boolean)
+			.join(', ')
+	);
 </script>
 
 {#if subtitle && location}
@@ -60,11 +70,11 @@
 			<div class="min-w-0">
 				<h1 class="truncate text-2xl leading-tight font-bold tracking-tight md:text-3xl">
 					{location.name}
+					<span class="font-medium text-muted-foreground">· {subtitle}</span>
 				</h1>
-				<p class="truncate text-sm text-muted-foreground">
-					{#if region}<span class="lg:hidden">{region}<span class="mx-1 opacity-50">·</span></span
-						>{/if}{subtitle}
-				</p>
+				{#if region}
+					<p class="truncate text-sm text-muted-foreground lg:hidden">{region}</p>
+				{/if}
 			</div>
 		</div>
 

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

@@ -298,7 +298,7 @@
 
 <!-- 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">
+	<div class="flex w-full items-center gap-3 sm:w-auto">
 		<ModelSelector
 			selectedModel={params.models?.[0] ?? DEFAULT_MODEL}
 			groups={ensembleModelGroups}

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

@@ -143,7 +143,7 @@
 	// components persist across refetches; entries are null while unmounted
 	let liveCharts = $derived(chartComponents.filter((chart) => chart != null));
 
-	// ─── Zoom range controls (mirrors the 7-day meteograms) ─────────────────────
+	// ─── Zoom range controls (mirrors the week-page meteograms) ─────────────────────
 
 	const SECONDS_PER_DAY = 24 * 3600;
 
@@ -321,9 +321,62 @@
 	});
 </script>
 
-<!-- the zoom controls ride in the layout's location row (see weather/+layout) -->
+<!-- the models button and zoom controls ride in the layout's location row -->
 {#snippet heroActions()}
-	<!-- Range / zoom controls, aligned with the title like the other pages -->
+	<!-- Hero models control: same footprint and look as the model selector on
+	     the other pages, so the title row lines up everywhere. Model selection
+	     here is a multi-select grid further down, so this hands over to it. -->
+	<div class="flex w-full min-w-0 items-center gap-3 sm:w-auto">
+		<button
+			type="button"
+			class="group flex h-auto min-h-12 w-full min-w-0 flex-1 cursor-pointer items-center gap-2.5 rounded-xl border-2 border-primary/35 bg-card py-1.5 ps-2.5 pe-3 text-left shadow-sm transition-colors hover:border-primary/70 hover:shadow-md sm:min-h-14 sm:w-80 sm:flex-none sm:gap-3 sm:py-2"
+			onclick={() =>
+				document.getElementById('models')?.scrollIntoView({ behavior: 'smooth', block: 'start' })}
+		>
+			<div
+				class="flex size-8 shrink-0 items-center justify-center rounded-lg bg-primary/12 text-primary sm:size-9"
+			>
+				<!-- layered-globe icon, matching the model selector -->
+				<svg
+					class="size-4.5 sm:size-5"
+					fill="none"
+					stroke="currentColor"
+					viewBox="0 0 24 24"
+					stroke-width="1.75"
+				>
+					<circle cx="12" cy="12" r="9" />
+					<path
+						stroke-linecap="round"
+						d="M3.6 9h16.8M3.6 15h16.8M12 3a15 15 0 0 1 0 18a15 15 0 0 1 0-18"
+					/>
+				</svg>
+			</div>
+			<div class="flex min-w-0 flex-1 flex-col items-start gap-0 overflow-hidden">
+				<span class="text-[11px] font-semibold tracking-wide text-primary uppercase">
+					{m.compare_models_heading()}
+				</span>
+				<span class="max-w-full truncate text-[13px] font-bold text-foreground sm:text-sm">
+					{params.models?.length || 0} / {models.flat().length}
+				</span>
+				<span
+					class="hidden max-w-full truncate text-[11px] leading-tight text-muted-foreground sm:block"
+				>
+					{m.compare_models_choose()}
+				</span>
+			</div>
+			<svg
+				class="size-4 shrink-0 text-muted-foreground"
+				fill="none"
+				stroke="currentColor"
+				viewBox="0 0 24 24"
+				stroke-width="2"
+			>
+				<path stroke-linecap="round" stroke-linejoin="round" d="M6 9l6 6 6-6" />
+			</svg>
+		</button>
+	</div>
+
+	<!-- Range / zoom controls, floated over the chart area on lg -->
 	<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">
 			{m.meteograms_zoom_hint()}

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

@@ -225,7 +225,7 @@
 
 <!-- the reanalysis picker rides in the layout's location row -->
 {#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">
+	<div class="flex w-full min-w-0 items-center gap-3 sm:w-auto">
 		<ModelSelector
 			selectedModel={archiveModel}
 			groups={archiveModelGroups}

src/routes/weather/historical/[location]/HistoricalMeteograms.svelte

@@ -31,7 +31,7 @@
 	let chartComponents: (CanvasChart | null)[] = $state([]);
 	let liveCharts = $derived(chartComponents.filter((c): c is CanvasChart => c != null));
 
-	// Same customizable layout as the 7-day meteograms, so the two pages match.
+	// Same customizable layout as the week-page meteograms, so the two pages match.
 	let panels = $derived(
 		$storedChartLayout.filter((p) => p.variables.some((k) => VARIABLE_BY_KEY.has(k)))
 	);

src/routes/weather/maps/+page.svelte

@@ -1,7 +1,8 @@
 <script lang="ts">
 	import { onMount } from 'svelte';
+	import { fade } from 'svelte/transition';
 
-	import { reportPageReady } from '$lib/stores/page-transition.svelte';
+	import { mapTransitionCover, reportPageReady } from '$lib/stores/page-transition.svelte';
 	import { storedLocation, storedModel, storedTheme } from '$lib/stores/settings';
 
 	import { mapsDomainForModel } from '$lib/utils/maps-domain';
@@ -27,6 +28,14 @@
 	// backstop, so a map that fails to boot still releases the page.
 	reportPageReady(() => mapReady || frameLoaded);
 
+	// The map stays under an opaque cover until it is ready, so it fades up from
+	// a clean panel instead of flashing the iframe's white boot document (worst
+	// in dark mode). The same cover is what makes navigation transitions work at
+	// all here: a cross-origin iframe is never painted into a view transition
+	// snapshot, so the cover is raised again just before a departure is captured
+	// (see mapTransitionCover) - both snapshots then hold real pixels.
+	let revealed = $derived(mapReady || frameLoaded);
+
 	const postToMap = (message: Record<string, unknown>) => {
 		iframeEl?.contentWindow?.postMessage(message, MAPS_ORIGIN);
 	};
@@ -93,7 +102,7 @@
 
 <!-- Full-bleed map: the layout drops its padding for this route. The map
      follows our theme through the color-scheme declared on :root/.dark -->
-<div class="h-full w-full bg-background">
+<div class="relative h-full w-full bg-background">
 	<!-- allow="cross-origin-isolated" delegates SharedArrayBuffer use to the
 	     map; it only takes effect when this site itself is served with
 	     COOP/COEP headers (see README, Deployment) -->
@@ -107,6 +116,20 @@
 		referrerpolicy="no-referrer"
 		onload={() => (frameLoaded = true)}
 		class="block h-full w-full border-0"
+		class:invisible={$mapTransitionCover}
 		sandbox="allow-scripts allow-same-origin allow-forms allow-popups"
 	></iframe>
+
+	<!-- No `in:` transition on purpose: when the cover comes back for a
+	     departure it has to be at full opacity by the time the snapshot is
+	     taken, not fading towards it. The iframe is additionally made
+	     invisible then (above), so the capture never has to paint cross-origin
+	     content at all - some engines degrade the whole transition over it. -->
+	{#if !revealed || $mapTransitionCover}
+		<div
+			class="absolute inset-0 bg-background"
+			out:fade={{ duration: 300 }}
+			aria-hidden="true"
+		></div>
+	{/if}
 </div>

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

@@ -196,7 +196,7 @@
 	<!-- Out of flow on lg+ (the hero row is `relative`), same as the week, 14-day
 	     and archive pages: the controls then cannot move the heading when they
 	     change size. -->
-	<div class="flex w-full flex-wrap items-center gap-3 sm:w-auto lg:absolute lg:top-0 lg:right-0">
+	<div class="flex w-full flex-wrap items-center gap-3 sm:w-auto">
 		<!-- Range buttons reslice the already-fetched horizon (no refetch). While a
 		     forecast is on its way they stay mounted but invisible, because
 		     mounting them on arrival re-flowed the row and nudged the heading.

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

@@ -346,12 +346,12 @@
 <svelte:head>
 	<title>Drizz.li | {m.page_week_title()}</title>
 	<link rel="canonical" href="https://drizz.li/weather/week" />
-	<meta name="description" content="7-day weather forecast with detailed hourly data" />
+	<meta name="description" content="Weekly 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">
+	<div class="flex w-full min-w-0 items-center gap-3 sm:w-auto">
 		<ModelSelector
 			selectedModel={params.models?.[0] ?? 'best_match'}
 			onModelChange={(model) => {

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

@@ -322,6 +322,10 @@
 	// positioned relative to the data columns only.
 	let headerColWidth = $state(0);
 	let tableWidth = $state(0);
+	// Measured so the centred NOW badge can be clamped fully inside the row:
+	// centred on a time near midnight it would poke past the last column and
+	// hand the scroller a sliver of phantom overflow.
+	let nowBadgeWidth = $state(0);
 	let nowLeftPx = $derived(
 		nowPercent != null && tableWidth > 0
 			? headerColWidth + (nowPercent / 100) * (tableWidth - headerColWidth)
@@ -608,14 +612,17 @@
 								{#if nowPercent != null}
 									<div
 										class="pointer-events-none absolute inset-y-0 w-0.5 -translate-x-1/2 bg-red-500/75"
-										style="left:{nowPercent}%"
+										style="left:clamp(1px, {nowPercent}%, calc(100% - 1px))"
 									></div>
 								{/if}
-								<!-- "Now" label, aligned with the sunrise/sunset labels along the bottom -->
+								<!-- "Now" label, aligned with the sunrise/sunset labels along the
+								     bottom; its centre is clamped so the pill never leaves the row -->
 								{#if isTodaySelected && nowPercent != null}
 									<span
+										bind:clientWidth={nowBadgeWidth}
 										class="absolute bottom-0.5 z-15 -translate-x-1/2 rounded-full bg-red-500 px-1.5 py-px text-[9px] font-bold tracking-wide whitespace-nowrap text-white uppercase shadow-sm"
-										style="left:{nowPercent}%"
+										style="left:clamp({nowBadgeWidth /
+											2}px, {nowPercent}%, calc(100% - {nowBadgeWidth / 2}px))"
 									>
 										{m.table_now()}
 									</span>
@@ -904,24 +911,31 @@
 					</tbody>
 				</table>
 
-				<!-- Hovered-column highlight, mirroring the meteogram crosshair -->
+				<!-- Hovered-column highlight, mirroring the meteogram crosshair.
+				     max-width caps the box at the wrapper's true (fractional) right
+				     edge: the widths here derive from rounded clientWidth bindings, so
+				     on the last column left+width can land a fraction of a pixel past
+				     the edge - enough scrollable overflow for a phantom scrollbar. -->
 				{#if hoveredCol >= 0 && tableWidth > 0}
 					{@const colWidth = (tableWidth - headerColWidth) / cellData.length}
+					{@const colLeft = headerColWidth + hoveredCol * colWidth}
 					<div
 						class="pointer-events-none absolute inset-y-0 z-10 border-x border-primary/40 bg-primary/10"
-						style="left:{headerColWidth + hoveredCol * colWidth}px;width:{colWidth}px"
+						style="left:{colLeft}px;width:{colWidth}px;max-width:calc(100% - {colLeft}px)"
 					></div>
 				{/if}
 
 				<!-- "Now" column highlight. The current-time line itself is painted per
-				     cell (.now-cell) so it stays under the values and icons. -->
+				     cell (.now-cell) so it stays under the values and icons. Same
+				     max-width cap as the hover highlight above. -->
 				{#if nowLeftPx != null}
 					{@const colWidth = (tableWidth - headerColWidth) / cellData.length}
 					{@const nowIdx = cellData.findIndex((c) => c.isNow)}
 					{#if nowIdx >= 0}
+						{@const colLeft = headerColWidth + nowIdx * colWidth}
 						<div
 							class="pointer-events-none absolute inset-y-0 z-10 border-x border-red-500/30 bg-red-500/5"
-							style="left:{headerColWidth + nowIdx * colWidth}px;width:{colWidth}px"
+							style="left:{colLeft}px;width:{colWidth}px;max-width:calc(100% - {colLeft}px)"
 						></div>
 					{/if}
 				{/if}

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

@@ -64,9 +64,13 @@
 		if (val) onModelChange(val);
 	}}
 >
+	<!-- Fixed width from sm up (mobile stays full-width): the trigger used to hug
+	     its content, so its size changed with every model name and differed
+	     between pages. One constant footprint, sized for the longest label in
+	     the catalogue; anything longer truncates. -->
 	<Select.Trigger
 		aria-label={m.model_selector_aria({ label })}
-		class="group h-auto min-h-12 min-w-0 flex-1 cursor-pointer gap-2.5 rounded-xl border-2 border-primary/35 bg-card py-1.5 ps-2.5 shadow-sm transition-colors hover:border-primary/70 hover:shadow-md data-[size=default]:h-auto data-[state=open]:border-primary sm:min-h-14 sm:gap-3 sm:py-2 sm:min-w-72 sm:flex-none"
+		class="group h-auto min-h-12 min-w-0 flex-1 cursor-pointer gap-2.5 rounded-xl border-2 border-primary/35 bg-card py-1.5 ps-2.5 shadow-sm transition-colors hover:border-primary/70 hover:shadow-md data-[size=default]:h-auto data-[state=open]:border-primary sm:min-h-14 sm:w-80 sm:gap-3 sm:py-2 sm:flex-none"
 	>
 		<div
 			class="flex size-8 shrink-0 items-center justify-center rounded-lg bg-primary/12 text-primary sm:size-9"