scroll behaviour

.gitignore

@@ -23,3 +23,6 @@ vite.config.js.timestamp-*
 vite.config.ts.timestamp-*
 
 AGENTS.md
+
+# Local agent/editor config
+.claude/

README.md

@@ -1,4 +1,4 @@
-# Drizzli
+# Drizz.li
 
 An open-source, high-performance weather forecast website built with SvelteKit and powered by the [Open-Meteo APIs](https://open-meteo.com/).
 

src/lib/charts/CanvasChart.svelte

@@ -250,32 +250,6 @@
 		return color;
 	}
 
-	// Multiply an rgb/hex colour toward black by `amount` (0 = unchanged, 1 = black).
-	function darken(color: string, amount: number): string {
-		const f = 1 - amount;
-		const m = color.match(/rgba?\(([^)]+)\)/);
-		if (m) {
-			const [r, g, b, a] = m[1].split(',').map((p) => parseFloat(p));
-			const alpha = isNaN(a) ? 1 : a;
-			return `rgba(${Math.round(r * f)}, ${Math.round(g * f)}, ${Math.round(b * f)}, ${alpha})`;
-		}
-		if (color[0] === '#') {
-			const h = color.slice(1);
-			const n =
-				h.length === 3
-					? h
-							.split('')
-							.map((c) => c + c)
-							.join('')
-					: h;
-			const r = Math.round(parseInt(n.slice(0, 2), 16) * f);
-			const g = Math.round(parseInt(n.slice(2, 4), 16) * f);
-			const b = Math.round(parseInt(n.slice(4, 6), 16) * f);
-			return `rgb(${r}, ${g}, ${b})`;
-		}
-		return color;
-	}
-
 	// ─── State ──────────────────────────────────────────────────────────────────
 
 	let containerEl: HTMLDivElement | undefined = $state();
@@ -323,17 +297,20 @@
 	let isNarrow = $derived(width > 0 && width < 520);
 	let padLeft = $derived(isNarrow ? 26 : 60);
 	// Reserve the right gutter when this chart (or a sibling, via reserveRightAxis)
-	// has a right axis, so a stacked row of charts share the same plot width.
-	let padRight = $derived(
-		hasRightAxis || reserveRightAxis ? (isNarrow ? 34 : 56) : isNarrow ? 6 : 20
-	);
+	// has a right axis, so a stacked row of charts share the same plot width. On
+	// narrow (mobile) screens we don't reserve it — the graph uses the full width
+	// and the right-axis labels are drawn overlaid on top instead (see below).
+	let padRight = $derived(isNarrow ? 6 : hasRightAxis || reserveRightAxis ? 56 : 20);
 	// Icon rows across the top: pictograms and/or wind arrows. reserveTopRows keeps
 	// a stacked row of charts the same height even if some have fewer icon rows.
 	let ownIconRows = $derived((pictograms.length > 0 ? 1 : 0) + (windArrows.length > 0 ? 1 : 0));
 	let iconRows = $derived(Math.max(ownIconRows, reserveTopRows));
-	let padTop = $derived((title ? (subtitle ? 66 : 46) : 28) + iconRows * ICON_ROW_H);
+	// tighter top/bottom gutters on mobile so charts don't waste vertical space
+	const iconRowH = $derived(isNarrow ? 30 : ICON_ROW_H);
+	let padTop = $derived((title ? (subtitle ? 66 : 46) : isNarrow ? 14 : 28) + iconRows * iconRowH);
+	let padBottom = $derived(isNarrow ? 24 : PAD_BOTTOM);
 	let plotW = $derived(Math.max(1, width - padLeft - padRight));
-	let plotH = $derived(Math.max(1, height - padTop - PAD_BOTTOM));
+	let plotH = $derived(Math.max(1, height - padTop - padBottom));
 
 	interface Scale {
 		min: number;
@@ -452,6 +429,153 @@
 		return canvasEl ? canvasEl.toDataURL('image/png') : null;
 	}
 
+	// ─── Full export (title + icon bands + legend composited onto one canvas) ────
+	// The canvas alone omits the DOM overlays (weather/wind icons), the panel
+	// title (rendered by the parent), and the legend (an HTML row). This builds a
+	// standalone canvas that includes all of them so downloads look like the page.
+	const iconImageCache = new Map<string, Promise<HTMLImageElement>>();
+	function loadColoredIcon(name: string, color: string): Promise<HTMLImageElement> {
+		const key = `${name}|${color}`;
+		let p = iconImageCache.get(key);
+		if (!p) {
+			p = fetch(`/images/weather-icons/${name}.svg`)
+				.then((r) => r.text())
+				.then(
+					(svg) =>
+						new Promise<HTMLImageElement>((resolve, reject) => {
+							// the paths carry no fill, so a root fill tints the whole glyph
+							const colored = svg.replace(/<svg\b/, `<svg fill="${color}"`);
+							const url = URL.createObjectURL(new Blob([colored], { type: 'image/svg+xml' }));
+							const img = new Image();
+							img.onload = () => {
+								URL.revokeObjectURL(url);
+								resolve(img);
+							};
+							img.onerror = (e) => {
+								URL.revokeObjectURL(url);
+								reject(e);
+							};
+							img.src = url;
+						})
+				);
+			iconImageCache.set(key, p);
+		}
+		return p;
+	}
+
+	/**
+	 * Composite the chart, its icon bands, an optional title, and the legend onto
+	 * a fresh canvas for export. Async because the icon SVGs are rasterized.
+	 */
+	export async function getExportImage(opts?: {
+		title?: string;
+	}): Promise<HTMLCanvasElement | null> {
+		if (!canvasEl || !containerEl || width <= 0) return null;
+		const dpr = window.devicePixelRatio || 1;
+		const styles = getComputedStyle(containerEl);
+		const cssVar = (n: string, f: string) => styles.getPropertyValue(n).trim() || f;
+		const strong = cssVar('--foreground', '#374151');
+		const muted = cssVar('--muted-foreground', '#6b7280');
+		const bg = cssVar('--card', '#ffffff');
+
+		const title = opts?.title;
+		const titleH = title ? 30 : 0;
+		const legendItems = showLegend ? series.filter((s) => s.showInLegend !== false) : [];
+		const legendH = legendItems.length > 0 ? 28 : 0;
+		const totalH = titleH + height + legendH;
+
+		const out = document.createElement('canvas');
+		out.width = Math.round(width * dpr);
+		out.height = Math.round(totalH * dpr);
+		const ctx = out.getContext('2d');
+		if (!ctx) return null;
+		ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
+
+		ctx.fillStyle = bg;
+		ctx.fillRect(0, 0, width, totalH);
+
+		if (title) {
+			ctx.fillStyle = strong;
+			ctx.font = '600 14px system-ui, -apple-system, sans-serif';
+			ctx.textAlign = 'left';
+			ctx.textBaseline = 'middle';
+			ctx.fillText(title, 4, titleH / 2 + 2);
+		}
+
+		// the plot itself (canvasEl is a dpr-scaled bitmap of the css-sized chart)
+		ctx.drawImage(canvasEl, 0, titleH, width, height);
+
+		// weather pictograms
+		for (const p of visiblePictograms) {
+			try {
+				const img = await loadColoredIcon(p.icon, strong);
+				const cx = Math.max(ICON_EDGE, Math.min(iconBandWidth - ICON_EDGE, p.x));
+				ctx.drawImage(
+					img,
+					iconBandLeft + cx - ICON_PX / 2,
+					titleH + pictoRowTop + (ICON_BAND_H - ICON_PX) / 2,
+					ICON_PX,
+					ICON_PX
+				);
+			} catch {
+				/* skip an icon that failed to rasterize */
+			}
+		}
+
+		// wind-direction arrows, rotated about their centre
+		for (const a of visibleWindArrows) {
+			try {
+				const img = await loadColoredIcon('wi-direction-down', strong);
+				const cx = Math.max(ICON_EDGE, Math.min(iconBandWidth - ICON_EDGE, a.x));
+				ctx.save();
+				ctx.translate(iconBandLeft + cx, titleH + windRowTop + ICON_BAND_H / 2);
+				ctx.rotate((a.deg * Math.PI) / 180);
+				ctx.globalAlpha = 0.8;
+				ctx.drawImage(img, -ARROW_PX / 2, -ARROW_PX / 2, ARROW_PX, ARROW_PX);
+				ctx.restore();
+			} catch {
+				/* skip */
+			}
+		}
+
+		// legend row, centred like the on-screen one
+		if (legendItems.length > 0) {
+			ctx.font = '12px system-ui, -apple-system, sans-serif';
+			ctx.textAlign = 'left';
+			ctx.textBaseline = 'middle';
+			const gap = 12;
+			const dot = 9;
+			const dotGap = 6;
+			const widths = legendItems.map((s) => dot + dotGap + ctx.measureText(s.name).width);
+			const totalW = widths.reduce((a, b) => a + b, 0) + gap * (legendItems.length - 1);
+			let x = Math.max(4, (width - totalW) / 2);
+			const y = titleH + height + legendH / 2;
+			for (let i = 0; i < legendItems.length; i++) {
+				const s = legendItems[i];
+				ctx.fillStyle = s.color;
+				ctx.beginPath();
+				ctx.arc(x + dot / 2, y, dot / 2, 0, Math.PI * 2);
+				ctx.fill();
+				ctx.fillStyle = muted;
+				ctx.fillText(s.name, x + dot + dotGap, y);
+				x += widths[i] + gap;
+			}
+		}
+
+		// credit hugging the bottom-right corner of the export
+		if (showCredit) {
+			ctx.font = '10px system-ui, -apple-system, sans-serif';
+			ctx.textAlign = 'right';
+			ctx.textBaseline = 'alphabetic';
+			ctx.fillStyle = muted;
+			ctx.globalAlpha = 0.8;
+			ctx.fillText('Weather data by Open-Meteo · visualisation by Drizz.li', width - 6, totalH - 5);
+			ctx.globalAlpha = 1;
+		}
+
+		return out;
+	}
+
 	/** Zooms the x axis to the given epoch-second range (clamped to the data). */
 	export function setRange(startEpoch: number, endEpoch: number): void {
 		applyRange(startEpoch, endEpoch);
@@ -551,8 +675,8 @@
 	// Vertical offset (px from container top) of each icon row's top edge, anchored
 	// just above the plot. When both rows are present, pictograms sit above the
 	// wind arrows (which stay closest to the plot).
-	let pictoRowTop = $derived(padTop - (windArrows.length > 0 ? 2 : 1) * ICON_ROW_H + 2);
-	let windRowTop = $derived(padTop - ICON_ROW_H + 2);
+	let pictoRowTop = $derived(padTop - (windArrows.length > 0 ? 2 : 1) * iconRowH + 2);
+	let windRowTop = $derived(padTop - iconRowH + 2);
 
 	// ─── Local minima / maxima (for value labels) ────────────────────────────────
 
@@ -608,13 +732,25 @@
 				break;
 			}
 		}
+		// A "EEE d" day label needs ~46px of room; when days are packed tighter
+		// (long ranges on a narrow screen) keep every day's gridline but only
+		// label every Nth one so the dates never overlap.
+		const pxPerDay = 24 * pxPerHour;
+		const dayStride = pxPerDay >= 46 ? 1 : Math.max(1, Math.ceil(46 / pxPerDay));
 		const ticks: XTick[] = [];
 		const first = Math.ceil(viewStart / HOUR) * HOUR;
+		let dayCount = 0;
 		for (let t = first; t <= viewEnd; t += HOUR) {
 			const date = new Date(t * 1000);
 			const hour = getZonedHour(date, timezone);
 			if (hour === 0) {
-				ticks.push({ t, label: formatZoned(date, timezone, 'EEE d'), isDay: true });
+				const showLabel = dayCount % dayStride === 0;
+				dayCount++;
+				ticks.push({
+					t,
+					label: showLabel ? formatZoned(date, timezone, 'EEE d') : '',
+					isDay: true
+				});
 			} else if (step < 24 && hour % step === 0) {
 				ticks.push({ t, label: formatZoned(date, timezone, 'HH:mm'), isDay: false });
 			}
@@ -661,14 +797,16 @@
 		const plotBottom = padTop + plotH;
 		const font = '11px system-ui, sans-serif';
 
-		// Daylight bands
+		// Daylight bands (kept subtle so they don't compete with the data)
 		ctx.fillStyle = CHART_COLORS.daylight;
+		ctx.globalAlpha = 0.65;
 		for (const band of bands) {
 			if (band.end < viewStart || band.start > viewEnd) continue;
 			const x1 = Math.max(padLeft, xPix(band.start));
 			const x2 = Math.min(plotRight, xPix(band.end));
 			if (x2 > x1) ctx.fillRect(x1, padTop, x2 - x1, plotH);
 		}
+		ctx.globalAlpha = 1;
 
 		// Selected-day highlight: soft tint + dashed edge lines
 		if (highlight && highlight.end > viewStart && highlight.start < viewEnd) {
@@ -713,8 +851,10 @@
 			ctx.fillText(v.toFixed(tickDecimals(leftScale.step)), padLeft - 8, y);
 		}
 
-		// Right axis labels (only when a unit is provided)
-		if (hasRightAxis && unitRight !== undefined) {
+		// Right axis labels in the gutter (desktop only). On mobile there is no
+		// gutter — the labels are drawn on top of the graph with halos after the
+		// series (see drawOverlaidAxisLabels below), so the data can't cover them.
+		if (hasRightAxis && unitRight !== undefined && !isNarrow) {
 			ctx.textAlign = 'left';
 			ctx.fillStyle = textColor;
 			for (
@@ -843,11 +983,11 @@
 					// anchor = opaque end (far-from-zero extreme); fade = transparent end
 					const anchorY = goUp ? minYp : maxYp;
 					const nearY = goUp ? maxYp : minYp;
-					// fade runs a good stretch past the near extreme, but stops short of
-					// the plot edge (~60% of the way there)
+					// fade runs a good stretch past the near extreme, flowing most of the
+					// way to the plot edge (~78% of the way there)
 					const fadeY = goUp
-						? Math.max(padTop, maxYp - (maxYp - padTop) * 0.6)
-						: Math.min(plotBottom, minYp + (plotBottom - minYp) * 0.6);
+						? Math.max(padTop, maxYp - (maxYp - padTop) * 0.78)
+						: Math.min(plotBottom, minYp + (plotBottom - minYp) * 0.78);
 					const anchorV = goUp ? minV : maxV;
 					const nearV = goUp ? maxV : minV;
 					const span = fadeY - anchorY;
@@ -876,7 +1016,11 @@
 					ctx.lineTo(points[0][0], fadeY);
 					ctx.closePath();
 					ctx.fillStyle = grad;
+					// the bright temperature colours glow over a dark background, so
+					// knock the whole fill back to 75% in dark mode
+					ctx.globalAlpha = dark ? 0.75 : 1;
 					ctx.fill();
+					ctx.globalAlpha = 1;
 				}
 
 				if (s.fill && points.length > 1) {
@@ -946,16 +1090,15 @@
 								if (t <= prevT) t = prevT + 1e-6; // keep stops strictly increasing
 								if (t > 1) t = 1;
 								prevT = t;
-								// a touch darker than the fill so the line reads as its edge
-								grad.addColorStop(
-									t,
-									darken(s.segmentColor(s.data[points[i][3]] as number, points[i][3]), 0.05)
-								);
+								// exact same colour as the fill so the line and gradient match
+								grad.addColorStop(t, s.segmentColor(s.data[points[i][3]] as number, points[i][3]));
 							}
 							ctx.strokeStyle = grad;
 						} else {
 							ctx.strokeStyle = strongColor;
 						}
+						// keep the line crisp (full opacity) as a clean edge; only the
+						// large fill area is dimmed in dark mode
 						ctx.stroke();
 					} else {
 						ctx.beginPath();
@@ -1001,6 +1144,28 @@
 			}
 		}
 
+		// Mobile: right-axis labels overlaid on top of the data with a halo (no
+		// gutter is reserved on narrow screens, so the graph runs full width).
+		if (isNarrow && hasRightAxis && unitRight !== undefined) {
+			ctx.font = font;
+			ctx.textAlign = 'right';
+			ctx.textBaseline = 'middle';
+			ctx.lineWidth = 3;
+			ctx.lineJoin = 'round';
+			for (
+				let v = rightScale.min;
+				v <= rightScale.max + rightScale.step / 2;
+				v += rightScale.step
+			) {
+				const y = yPix(v, 'right');
+				const label = v.toFixed(tickDecimals(rightScale.step));
+				ctx.strokeStyle = bgColor;
+				ctx.strokeText(label, plotRight - 2, y);
+				ctx.fillStyle = textColor;
+				ctx.fillText(label, plotRight - 2, y);
+			}
+		}
+
 		// Current time marker
 		if (showNow) {
 			const now = Date.now() / 1000;
@@ -1042,10 +1207,21 @@
 			ctx.fillText(unit, padLeft - 4, padTop - 8);
 		}
 		if (hasRightAxis && unitRight) {
+			if (isNarrow) {
+				// overlaid inside the plot's top-right corner (no right gutter) with a halo
+				ctx.textAlign = 'right';
+				ctx.lineWidth = 3;
+				ctx.lineJoin = 'round';
+				ctx.strokeStyle = bgColor;
+				ctx.strokeText(unitRight, plotRight - 2, padTop - 8);
+				ctx.fillStyle = textColor;
+				ctx.fillText(unitRight, plotRight - 2, padTop - 8);
+			} else {
 				ctx.textAlign = 'left';
 				ctx.fillStyle = textColor;
 				ctx.fillText(unitRight, plotRight + 4, padTop - 8);
 			}
+		}
 
 		// Title / subtitle
 		if (title) {
@@ -1060,15 +1236,8 @@
 			}
 		}
 
-		// Credit watermark
-		if (showCredit) {
-			ctx.textAlign = 'right';
-			ctx.font = '10px system-ui, sans-serif';
-			ctx.globalAlpha = 0.4;
-			ctx.fillStyle = strongColor;
-			ctx.fillText('Open-Meteo.com', width - 10, height - 6);
-			ctx.globalAlpha = 1;
-		}
+		// Credit is a DOM overlay (below) so its two sources can be links; the
+		// export path redraws it onto the exported canvas in getExportImage().
 	}
 
 	$effect(() => {
@@ -1369,7 +1538,9 @@
 
 	<!-- Legend sits below the graph -->
 	{#if showLegend && series.length > 0}
-		<div class="mt-1.5 flex flex-wrap items-center justify-center gap-x-3 gap-y-1 px-1">
+		<div
+			class="mt-0.5 flex flex-wrap items-center justify-center gap-x-3 gap-y-0.5 px-1 md:mt-1.5 md:gap-y-1"
+		>
 			{#each series.filter((s) => s.showInLegend !== false) as s (s.name)}
 				<button
 					type="button"
@@ -1392,4 +1563,24 @@
 			{/each}
 		</div>
 	{/if}
+
+	<!-- Credit: below the legend, in the bottom-right corner, with linked sources -->
+	{#if showCredit}
+		<div
+			class="px-2 pt-2 pb-1 text-center md:text-right text-[10px] leading-none text-muted-foreground/70"
+		>
+			Weather data by <a
+				class="font-medium underline-offset-2 hover:text-foreground hover:underline"
+				href="https://open-meteo.com"
+				target="_blank"
+				rel="noopener noreferrer">Open-Meteo</a
+			>, visualisation by
+			<a
+				class="font-medium underline-offset-2 hover:text-foreground hover:underline"
+				href="https://drizz.li"
+				target="_blank"
+				rel="noopener noreferrer">Drizz.li</a
+			>
+		</div>
+	{/if}
 </div>

src/lib/components/charts/ChartContainer.svelte

@@ -124,9 +124,9 @@
 		min-width: var(--chart-min-width);
 	}
 
-	/* Mobile: fit the chart to the viewport instead of forcing a min-width
+	/* Below lg: fit the chart to the viewport instead of forcing a min-width
 	   sideways scroll (which fights touch inspection). Pinch to zoom for detail. */
-	@media (max-width: 767px) {
+	@media (max-width: 1023px) {
 		.chart-container {
 			min-width: 0;
 		}
@@ -135,7 +135,7 @@
 		}
 	}
 
-	@media (min-width: 768px) {
+	@media (min-width: 1024px) {
 		.chart-bleed {
 			margin-left: -1.5rem;
 			margin-right: -1.5rem;

src/lib/components/charts/ChartToolbar.svelte

@@ -19,11 +19,11 @@
     </ChartToolbar>
 -->
 <script module lang="ts">
-	export type { DownloadableChart } from './downloadChartsPng';
+	export type { ExportableChart } from './downloadChartsPng';
 </script>
 
 <script lang="ts">
-	import { type DownloadableChart, downloadChartsPng } from './downloadChartsPng';
+	import { type ExportableChart, downloadChartsPng } from './downloadChartsPng';
 
 	import type { Snippet } from 'svelte';
 
@@ -31,7 +31,7 @@
 
 	interface Props {
 		/** Chart components available for download (undefined entries are skipped) */
-		charts?: Array<DownloadableChart | undefined | null>;
+		charts?: Array<ExportableChart | undefined | null>;
 		/** Base file name for downloaded images (without extension) */
 		fileName?: string;
 		/** Optional CSS class for the outer container */

src/lib/components/charts/downloadChartsPng.ts

@@ -1,23 +1,20 @@
 /**
  * Shared PNG export for charts.
  *
- * Stitches one or more chart images vertically onto a single canvas (over the
- * current theme background) and triggers a download. Used by both the standalone
- * ChartToolbar and the inline toolbar buttons.
+ * Each chart composites itself (plot + icon bands + optional title + legend)
+ * onto a canvas via `getExportImage`; those are stacked vertically over the
+ * current theme background and downloaded as one PNG.
  */
 
-/** Anything that can export itself as a PNG data URL (e.g. a CanvasChart). */
-export interface DownloadableChart {
-	getPngDataUrl(): string | null;
+/** A chart that can composite itself (plot + icons + legend) for export. */
+export interface ExportableChart {
+	getExportImage(opts?: { title?: string }): Promise<HTMLCanvasElement | null>;
 }
 
-function loadImage(src: string): Promise<HTMLImageElement> {
-	return new Promise((resolve) => {
-		const img = new Image();
-		img.onload = () => resolve(img);
-		img.onerror = () => resolve(img);
-		img.src = src;
-	});
+/** One chart to export, with the title to render above it (e.g. panel name). */
+export interface ChartExportItem {
+	chart: ExportableChart | null | undefined;
+	title?: string;
 }
 
 /** Resolves the page background so exports match the current theme. */
@@ -38,25 +35,30 @@ function triggerDownload(url: string, name: string): void {
 	});
 }
 
+/** Normalise either a bare chart or a {chart, title} item. */
+function toItem(x: ChartExportItem | ExportableChart | null | undefined): ChartExportItem {
+	if (x && 'getExportImage' in x) return { chart: x };
+	return (x as ChartExportItem) ?? { chart: null };
+}
+
 /**
  * Stitch the given charts into one PNG and download it. Resolves once the
  * download has been triggered (or immediately if there is nothing to export).
  */
 export async function downloadChartsPng(
-	charts: Array<DownloadableChart | undefined | null>,
+	charts: Array<ChartExportItem | ExportableChart | null | undefined>,
 	fileName: string
 ): Promise<void> {
-	const dataUrls = charts
-		.filter((chart): chart is DownloadableChart => chart != null)
-		.map((chart) => chart.getPngDataUrl())
-		.filter((url): url is string => url !== null);
-	if (dataUrls.length === 0) return;
+	const items = charts.map(toItem).filter((it) => it.chart != null);
+	if (items.length === 0) return;
 
-	const images = (await Promise.all(dataUrls.map(loadImage))).filter((img) => img.naturalWidth > 0);
-	if (images.length === 0) return;
+	const canvases = (
+		await Promise.all(items.map((it) => it.chart!.getExportImage({ title: it.title })))
+	).filter((c): c is HTMLCanvasElement => c != null && c.width > 0 && c.height > 0);
+	if (canvases.length === 0) return;
 
-	const maxWidth = Math.max(...images.map((img) => img.naturalWidth));
-	const totalHeight = images.reduce((sum, img) => sum + img.naturalHeight, 0);
+	const maxWidth = Math.max(...canvases.map((c) => c.width));
+	const totalHeight = canvases.reduce((sum, c) => sum + c.height, 0);
 
 	const canvas = document.createElement('canvas');
 	canvas.width = maxWidth;
@@ -69,9 +71,9 @@ export async function downloadChartsPng(
 	ctx.fillRect(0, 0, maxWidth, totalHeight);
 
 	let y = 0;
-	for (const img of images) {
-		ctx.drawImage(img, 0, y);
-		y += img.naturalHeight;
+	for (const c of canvases) {
+		ctx.drawImage(c, 0, y);
+		y += c.height;
 	}
 
 	triggerDownload(canvas.toDataURL('image/png'), `${fileName}.png`);

src/lib/components/charts/index.ts

@@ -9,4 +9,4 @@
 
 export { default as ChartContainer } from './ChartContainer.svelte';
 export { default as ChartToolbar } from './ChartToolbar.svelte';
-export { downloadChartsPng, type DownloadableChart } from './downloadChartsPng';
+export { downloadChartsPng, type ExportableChart, type ChartExportItem } from './downloadChartsPng';

src/lib/components/navigation/header.svelte

@@ -57,7 +57,7 @@
 >
 	<!-- Mobile menu toggle -->
 	<button
-		class="flex h-8 w-8 items-center justify-center rounded-md transition-colors hover:bg-black/5 md:hidden dark:hover:bg-white/10"
+		class="-ms-1 flex h-10 w-10 shrink-0 cursor-pointer items-center justify-center rounded-lg text-muted-foreground transition-colors hover:bg-muted hover:text-foreground md:hidden"
 		onclick={onMenuToggle}
 		aria-label="Toggle menu"
 	>

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

@@ -87,7 +87,7 @@
 			</div>
 			{#if !collapsed}
 				<span class="text-sm font-bold tracking-tight whitespace-nowrap text-sidebar-foreground">
-					Drizzli
+					Drizz.li
 				</span>
 			{/if}
 		</a>
@@ -129,7 +129,7 @@
 	{#if onToggle}
 		<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"
+				class="relative flex w-full cursor-pointer 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'}
 			>

src/lib/components/ui/button/button.svelte

@@ -6,7 +6,7 @@
 	import type { HTMLAnchorAttributes, HTMLButtonAttributes } from 'svelte/elements';
 
 	export const buttonVariants = tv({
-		base: "focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive inline-flex shrink-0 items-center justify-center gap-2 rounded-md text-sm font-medium whitespace-nowrap transition-all outline-none focus-visible:ring-[3px] disabled:pointer-events-none disabled:opacity-50 aria-disabled:pointer-events-none aria-disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+		base: "focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive inline-flex shrink-0 cursor-pointer items-center justify-center gap-2 rounded-md text-sm font-medium whitespace-nowrap transition-all outline-none focus-visible:ring-[3px] disabled:pointer-events-none disabled:opacity-50 aria-disabled:pointer-events-none aria-disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
 		variants: {
 			variant: {
 				default: 'bg-primary text-primary-foreground hover:bg-primary/90 shadow-xs',

src/lib/components/unit-selector.svelte

@@ -44,7 +44,7 @@
 
 <Popover.Root>
 	<Popover.Trigger
-		class="flex h-9 shrink-0 cursor-pointer items-center gap-1.5 rounded-full border border-border/70 px-2.5 text-muted-foreground transition-colors hover:bg-muted hover:text-foreground data-[state=open]:bg-muted data-[state=open]:text-foreground"
+		class="flex h-9 w-9 shrink-0 cursor-pointer items-center justify-center rounded-full border border-border/70 text-muted-foreground transition-colors hover:bg-muted hover:text-foreground data-[state=open]:bg-muted data-[state=open]:text-foreground"
 		aria-label="Choose measurement units"
 		title="Units"
 	>
@@ -63,7 +63,6 @@
 			/>
 			<circle cx="12" cy="15" r="1" fill="currentColor" stroke="none" />
 		</svg>
-		<span class="hidden text-xs font-semibold sm:inline">Units</span>
 	</Popover.Trigger>
 	<Popover.Content align="end" class="w-64 border-border">
 		<div class="flex flex-col gap-4">

src/routes/+layout.svelte

@@ -83,7 +83,7 @@
 		<Header onMenuToggle={toggleMobileMenu} />
 
 		<main
-			class={fullBleed ? 'flex-1 overflow-hidden' : 'flex-1 overflow-y-auto p-3 md:px-8 md:py-6'}
+			class={fullBleed ? 'flex-1 overflow-hidden' : 'flex-1 overflow-y-auto p-3 lg:px-8 lg:py-6'}
 		>
 			{#if fullBleed}
 				{@render children()}

src/routes/page.svelte.spec.ts

@@ -8,6 +8,6 @@ describe('/+page.svelte', () => {
 		render(Page);
 
 		const title = document.querySelector('title');
-		expect(title?.textContent).toBe('Drizzli');
+		expect(title?.textContent).toBe('Drizz.li');
 	});
 });

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

@@ -334,7 +334,7 @@
 			/>
 		</svg>
 		<span>
-			This model's ensemble only reaches about <strong>{validDays} days</strong> ahead — the spread is
+			This model's ensemble only reaches about <strong>{validDays} days</strong> ahead, the spread is
 			trimmed to its available range.
 		</span>
 	</div>
@@ -348,9 +348,19 @@
 	</div>
 {/if}
 
-<ChartContainer {loading} chartCount={params.hourly?.length || 1} chartHeight={300} bleed={false}>
-	{#if fetchedData}
+{#if fetchedData}
+	<!-- full-bleed graphs until lg / contained card on lg+; titles stay within
+	     the page margins (padded), the graphs bleed to the edges -->
+	<div class="-mx-3 border-y border-border/70 bg-card shadow-sm lg:mx-0 lg:rounded-2xl lg:border">
 		{#each chartDefs as def, i (i)}
+			<div class="px-0 pt-1.5 pb-1 lg:px-4 lg:pb-3 {i > 0 ? 'border-t border-border/50' : ''}">
+				<div class="mb-1 px-3 lg:px-0">
+					<h4 class="text-sm font-bold tracking-tight">{def.title}</h4>
+					{#if def.subtitle}
+						<p class="text-xs text-muted-foreground">{def.subtitle}</p>
+					{/if}
+				</div>
+				<ChartContainer {loading} chartCount={1} chartHeight={300} minWidth={520} bleed={false}>
 					<CanvasChart
 						bind:this={chartComponents[i]}
 						timestamps={timestampsSec}
@@ -358,8 +368,6 @@
 						series={def.series}
 						bands={fetchedData.daylightBands}
 						unit={def.unit}
-				title={def.title}
-				subtitle={def.subtitle}
 						showCredit={def.showCredit}
 						zeroBaseLeft={def.zeroBaseLeft ?? true}
 						yMin={def.yMin}
@@ -368,9 +376,14 @@
 						height={300}
 						group={CHART_GROUP}
 					/>
+				</ChartContainer>
+			</div>
 		{/each}
-	{/if}
-</ChartContainer>
+	</div>
+{:else}
+	<!-- reserve the chart area height before data arrives (no layout shift) -->
+	<ChartContainer loading chartCount={params.hourly?.length || 1} chartHeight={340} bleed={false} />
+{/if}
 
 <!-- ─── Toolbar: Controls + Download ───────────────────────────────────────── -->
 

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

@@ -359,14 +359,19 @@
 
 <!-- chart count derives from the selected variables (not the fetched data),
      so the reserved height is right even before the response arrives -->
-<ChartContainer
-	{loading}
-	chartCount={params.hourly?.filter((v) => v !== 'weather_code').length || 1}
-	chartHeight={300}
-	bleed={false}
->
-	{#if fetchedData}
+{#if fetchedData}
+	<!-- full-bleed graphs until lg / contained card on lg+; titles stay within
+	     the page margins (padded), the graphs bleed to the edges -->
+	<div class="-mx-3 border-y border-border/70 bg-card shadow-sm lg:mx-0 lg:rounded-2xl lg:border">
 		{#each chartDefs as def, i (i)}
+			<div class="px-0 pt-1.5 pb-1 lg:px-4 lg:pb-3 {i > 0 ? 'border-t border-border/50' : ''}">
+				<div class="mb-1 px-3 lg:px-0">
+					<h4 class="text-sm font-bold tracking-tight">{def.title}</h4>
+					{#if def.subtitle}
+						<p class="text-xs text-muted-foreground">{def.subtitle}</p>
+					{/if}
+				</div>
+				<ChartContainer {loading} chartCount={1} chartHeight={300} minWidth={520} bleed={false}>
 					<CanvasChart
 						bind:this={chartComponents[i]}
 						timestamps={timestampsSec}
@@ -374,16 +379,24 @@
 						series={def.series}
 						bands={fetchedData.daylightBands}
 						unit={def.unit}
-				title={def.title}
-				subtitle={def.subtitle}
 						showCredit={def.showCredit}
 						{showLegend}
 						height={300}
 						group={CHART_GROUP}
 					/>
+				</ChartContainer>
+			</div>
 		{/each}
-	{/if}
-</ChartContainer>
+	</div>
+{:else}
+	<!-- reserve the chart area height before data arrives (no layout shift) -->
+	<ChartContainer
+		loading
+		chartCount={params.hourly?.filter((v) => v !== 'weather_code').length || 1}
+		chartHeight={340}
+		bleed={false}
+	/>
+{/if}
 
 {#if fetchedData && !loading}
 	<ModelPictogramTimeline

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

@@ -145,7 +145,7 @@
 </script>
 
 <svelte:head>
-	<title>Drizzli | Weather</title>
+	<title>Drizz.li | Weather</title>
 	<link rel="canonical" href="https://drizz.li/weather/week" />
 	<meta name="description" content="7-day weather forecast with detailed hourly data" />
 </svelte:head>

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

@@ -57,7 +57,9 @@
 		// defer to after layout so the measured positions and scroll width are final
 		requestAnimationFrame(() => {
 			// scroll so the first day card sits exactly at the content edge (aligned
-			// with the page hero), leaving the "past days" button off to the left
+			// with the page hero), leaving the "past days" button fully off to the
+			// left. The scroll's pl-3 keeps the lifted/scaled card from being clipped,
+			// so subtract it here to land the card on the content edge.
 			el.scrollLeft += wrap.getBoundingClientRect().left - el.getBoundingClientRect().left - 12;
 		});
 	});
@@ -119,13 +121,17 @@
 	</defs>
 </svg>
 
-<div transition:fade={{ duration: 200 }} class="mb-1 min-h-47.5 md:mb-6 md:min-h-65">
-	<!-- negative margin + matching padding: the scroll box gains room so a
-	     lifted/scaled/shadowed card is never clipped, while the first card still
-	     lines up with the page content edge -->
+<div
+	transition:fade={{ duration: 200 }}
+	class="-mx-3 mb-1 flex min-h-47.5 items-stretch gap-2 px-3 md:mb-6 md:min-h-65"
+>
+	<!-- A horizontally-scrolling rail (past button + day cards) plus a "load more"
+	     card pinned to the right so it's always visible on every screen. The
+	     matching top/bottom padding gives a lifted/scaled card room so it's never
+	     clipped, while the first card still lines up with the page content edge. -->
 	<div
 		bind:this={scrollEl}
-		class="day-scroll -mx-3 flex gap-2 overflow-x-auto px-3 pt-2 pb-3 md:pt-5 md:pb-11"
+		class="day-scroll -ml-3 flex min-w-0 flex-1 gap-2 overflow-x-auto pt-3 pb-3 pl-3 md:pt-5 md:pb-11"
 		class:scrolling
 		onscroll={onScroll}
 	>
@@ -133,7 +139,7 @@
 			{#if canExtendPast && onExtendPast}
 				<button
 					type="button"
-					class="flex w-24 shrink-0 cursor-pointer flex-col items-center justify-center gap-2 rounded-2xl border border-dashed border-border/70 bg-card/40 px-2 text-muted-foreground transition-colors hover:border-primary/50 hover:bg-primary/5 hover:text-foreground"
+					class="mr-4 flex w-24 shrink-0 cursor-pointer flex-col items-center justify-center gap-2 rounded-2xl border border-dashed border-border/70 bg-card/40 px-2 text-muted-foreground transition-colors hover:border-primary/50 hover:bg-primary/5 hover:text-foreground"
 					onclick={onExtendPast}
 					aria-label="Load recent past days"
 				>
@@ -157,14 +163,9 @@
 				</button>
 			{/if}
 			<!-- the cards fill at least the viewport so the row overflows past the
-			     "past days" button (letting it scroll out of view even on wide
-			     screens). On md+ we also reserve room so the "load more" button stays
-			     visible; on mobile it's simply reached by scrolling (never clipped). -->
-			<div
-				bind:this={cardsWrapEl}
-				class="cards-fill flex gap-2"
-				style="--fill-reserve: {canExtend ? '6.5rem' : '0rem'}"
-			>
+			     "past days" button, letting it scroll out of view even on wide
+			     screens -->
+			<div bind:this={cardsWrapEl} class="cards-fill flex gap-2">
 				{#each daily.dailyDates as time, index (index)}
 					{@const selected = isSameDayInZone(time, selectedDay, daily.timezone)}
 					{@const tempMax = daily.daily.temperature_2m_max[index]}
@@ -324,12 +325,15 @@
 						</button>
 					{/if}
 				{/each}
-			</div>
 
+				<!-- Mobile: the "load more" card is the last item in the SAME flex row
+				     as the cards (reached by scrolling); keeping it in this container
+				     avoids the zoom/flex mis-position seen when it was a sibling. On
+				     md+ it's hidden here and the pinned sibling below is shown. -->
 				{#if canExtend && onExtend}
 					<button
 						type="button"
-					class="flex w-24 shrink-0 cursor-pointer flex-col items-center justify-center gap-2 rounded-2xl border border-dashed border-border/70 bg-card/40 px-2 text-muted-foreground transition-colors hover:border-primary/50 hover:bg-primary/5 hover:text-foreground"
+						class="day-card-btn flex w-24 shrink-0 cursor-pointer flex-col items-center justify-center gap-2 self-stretch rounded-2xl border border-dashed border-border/70 bg-card/40 px-2 text-muted-foreground transition-colors hover:border-primary/50 hover:bg-primary/5 hover:text-foreground md:hidden"
 						onclick={onExtend}
 						aria-label="Load the longer-range forecast"
 					>
@@ -352,8 +356,36 @@
 						</span>
 					</button>
 				{/if}
+			</div>
 		{/if}
 	</div>
+
+	<!-- Desktop: "load more" card pinned to the right of the scroll rail (a
+	     sibling, not inside the scroll) so it's always visible and full-height. -->
+	{#if daily && canExtend && onExtend}
+		<button
+			type="button"
+			class="mt-2 mb-3 hidden w-20 shrink-0 cursor-pointer flex-col items-center justify-center gap-2 self-stretch rounded-2xl border border-dashed border-border/70 bg-card/40 px-2 text-muted-foreground transition-colors hover:border-primary/50 hover:bg-primary/5 hover:text-foreground md:mt-5 md:mb-11 md:flex md:w-24"
+			onclick={onExtend}
+			aria-label="Load the longer-range forecast"
+		>
+			<svg
+				class="h-6 w-6"
+				fill="none"
+				stroke="currentColor"
+				viewBox="0 0 24 24"
+				stroke-width="1.75"
+			>
+				<path
+					stroke-linecap="round"
+					stroke-linejoin="round"
+					d="M8 7V3m8 4V3M4 11h16M5 21h14a2 2 0 0 0 2-2V7a2 2 0 0 0-2-2H5a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2z"
+				/>
+				<path stroke-linecap="round" stroke-linejoin="round" d="M12 14v4m-2-2h4" />
+			</svg>
+			<span class="text-center text-[11px] leading-tight font-semibold"> Load<br />15 days </span>
+		</button>
+	{/if}
 </div>
 
 <style>
@@ -362,6 +394,10 @@
 	.day-scroll {
 		scrollbar-width: thin;
 		scrollbar-color: transparent transparent;
+		/* Soft fade at the right edge (only) so cards dissolve into the page
+		   margin instead of being hard-cut as they scroll off. */
+		-webkit-mask-image: linear-gradient(to right, #000 calc(100% - 32px), transparent);
+		mask-image: linear-gradient(to right, #000 calc(100% - 32px), transparent);
 	}
 	.day-scroll.scrolling {
 		scrollbar-color: color-mix(in oklab, var(--color-border) 85%, transparent) transparent;

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

@@ -281,6 +281,68 @@
 			: null
 	);
 
+	// ─── Auto-scroll the (overflowing) table on day / interval change ────────────
+	// • Day change → today lands on the current-hour cell, other days on 06:00.
+	// • Interval change (3h ↔ 1h) → keep whatever cell is currently on the left.
+	let tableScrollEl = $state<HTMLDivElement>();
+	let autoScrolledDay = -1;
+	let lastInterval = 0;
+	let viewLeftHour = 6; // zoned hour at the left edge (plain, non-reactive)
+
+	function colWidthPx(): number {
+		return (tableWidth - headerColWidth) / cellData.length;
+	}
+
+	function scrollToIdx(idx: number) {
+		const el = tableScrollEl;
+		if (!el) return;
+		if (el.scrollWidth <= el.clientWidth + 4) {
+			el.scrollLeft = 0;
+			return;
+		}
+		el.scrollLeft = idx <= 0 ? 0 : Math.max(0, idx * colWidthPx());
+	}
+
+	// track the left-most visible cell's hour so an interval switch can restore it
+	function onTableScroll() {
+		const el = tableScrollEl;
+		if (!el || cellData.length === 0 || tableWidth === 0) return;
+		const idx = Math.min(
+			cellData.length - 1,
+			Math.max(0, Math.round(el.scrollLeft / colWidthPx()))
+		);
+		viewLeftHour = getZonedHour(cellData[idx].date, data.timezone);
+	}
+
+	$effect(() => {
+		const day = selectedDay.getTime();
+		const interval = is3h ? 3 : 1;
+		const el = tableScrollEl;
+		if (!el || cellData.length === 0 || tableWidth === 0 || headerColWidth === 0) return;
+		const dayChanged = autoScrolledDay !== day;
+		const intervalChanged = lastInterval !== interval;
+		if (!dayChanged && !intervalChanged) return;
+		autoScrolledDay = day;
+		lastInterval = interval;
+
+		let targetIdx: number;
+		if (dayChanged) {
+			// today → the cell whose block contains "now"; otherwise → 06:00
+			const nowMs = today.getTime();
+			const stepMs = interval * 3600 * 1000;
+			const nowIdx = cellData.findIndex(
+				(c) => nowMs >= c.date.getTime() && nowMs < c.date.getTime() + stepMs
+			);
+			targetIdx =
+				nowIdx >= 0 ? nowIdx : cellData.findIndex((c) => getZonedHour(c.date, data.timezone) >= 6);
+			viewLeftHour = targetIdx >= 0 ? getZonedHour(cellData[targetIdx].date, data.timezone) : 6;
+		} else {
+			// interval change only: keep the same cell on the left
+			targetIdx = cellData.findIndex((c) => getZonedHour(c.date, data.timezone) >= viewLeftHour);
+		}
+		requestAnimationFrame(() => scrollToIdx(targetIdx));
+	});
+
 	// ─── Chart-hover mirror ─────────────────────────────────────────────────────
 	// When the shared meteogram is hovered, highlight the matching table column
 	// (only if the hovered time falls on the day the table is currently showing).
@@ -387,7 +449,7 @@
 
 		<!-- Below the min-width the table scrolls sideways instead of squeezing;
 		     1h needs far more room than 3h (24 vs 8 columns) -->
-		<div class="overflow-x-auto">
+		<div class="overflow-x-auto" bind:this={tableScrollEl} onscroll={onTableScroll}>
 			<div
 				class="relative {is3h ? 'min-w-[560px]' : 'min-w-[1100px]'}"
 				bind:clientWidth={tableWidth}

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

@@ -35,7 +35,9 @@
 		if (liveCharts.length === 0 || downloadingPng) return;
 		downloadingPng = true;
 		try {
-			await downloadChartsPng(liveCharts, 'week-forecast');
+			// pair each chart with its panel title so the export is labelled
+			const items = renderPanels.map((p, i) => ({ chart: chartComponents[i], title: p.title }));
+			await downloadChartsPng(items, 'week-forecast');
 		} finally {
 			setTimeout(() => (downloadingPng = false), 500);
 		}
@@ -276,26 +278,25 @@
 		<div
 			class="rounded-xl border border-dashed border-border px-4 py-10 text-center text-sm text-muted-foreground"
 		>
-			No meteograms configured — <button
+			No meteograms configured, <button
 				class="cursor-pointer font-semibold text-primary underline-offset-2 hover:underline"
 				onclick={() => (customizerOpen = true)}>add some variables</button
 			>.
 		</div>
 	{:else}
-		<!-- one full-bleed card on mobile / contained card on md+, graphs stacked
+		<!-- one full-bleed card until lg / contained card on lg+, graphs stacked
 		     tightly so they read as one fluent meteogram -->
-		<div class="-mx-3 border-y border-border/70 bg-card shadow-sm md:mx-0 md:rounded-2xl md:border">
+		<div class="-mx-3 border-y border-border/70 bg-card shadow-sm lg:mx-0 lg:rounded-2xl lg:border">
 			{#each renderPanels as panel, i (panel.id)}
 				<div
-					class="px-0 pt-2 pb-1 md:px-4 {i > 0 ? 'border-t border-border/50' : 'md:pt-4'} {i ===
-					renderPanels.length - 1
-						? 'pb-3 md:pb-4'
-						: ''}"
+					class="px-0 pt-0.5 pb-0 lg:px-4 lg:pt-2 lg:pb-1 {i > 0
+						? 'border-t border-border/50'
+						: 'lg:pt-4'} {i === renderPanels.length - 1 ? 'pb-1 lg:pb-4' : ''}"
 				>
-					<div class="mb-0.5 flex items-center justify-between px-3 md:px-0">
+					<div class="mb-0 flex items-center justify-between px-3 lg:mb-0.5 lg:px-0">
 						<h4 class="truncate text-xs font-bold tracking-wide text-muted-foreground uppercase">
-							<span class="hidden md:inline">{panel.title}</span>
-							<span class="md:hidden">{panel.titleShort}</span>
+							<span class="hidden lg:inline">{panel.title}</span>
+							<span class="lg:hidden">{panel.titleShort}</span>
 						</h4>
 					</div>
 					<ChartContainer