Add extra message to +error.svelte to handle, and clarify 'OFFLINE' error.

Add features:
- manifest.json with PNG icon set. - reset option against QuickLinks storage - 'Preferences' store, ready for preferences page - including location boolean... Important! - Minor service-worker improvements for better offline fallbacks
2026-05-14 19:43:22 +01:00 · 2026-05-14 19:39:05 +01:00 · 2026-05-13 20:47:01 +01:00 · 2026-05-12 20:35:12 +01:00 · 2026-05-12 19:06:25 +01:00 · 2026-05-11 20:28:22 +01:00
19 changed files with 711 additions and 182 deletions
--- a/src/app.html
+++ b/src/app.html
@@ -3,12 +3,14 @@
 	<head>
 		<meta charset="utf-8" />
 		<meta name="viewport" content="width=device-width, initial-scale=1" />
-		<link rel="manifest" href="/manifest.webmanifest" />
 		<meta name="title" content="OwlBoard | Your fastest route to live and reference data" />
 		<meta
 			name="description"
 			content="Live station departures, Live train tracking, PIS Codes & more"
 		/>
+		<!-- PWA Requirements -->
+		<link rel="manifest" href="%sveltekit.assets%/manifest.json" />
+		<link rel="apple-touch-icon" href="%sveltekit.assets%/icons/apple-touch-icon.png" />
 		<meta name="theme-color" content="#4fd1d1" />
 		<link rel="canonical" href="https://owlboard.info" />
 		<meta property="og:type" content="website" />
--- a/src/lib/assets/apple-touch-icon.png
+++ b/src/lib/assets/apple-touch-icon.png
--- a/src/lib/assets/owlboard-logo-square.svg
+++ b/src/lib/assets/owlboard-logo-square.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" viewBox="0 0 562.1 562.1"><defs><radialGradient xlink:href="#a" id="b" cx="256" cy="256" r="254" fx="256" fy="256" gradientTransform="translate(27 27)" gradientUnits="userSpaceOnUse"/><linearGradient id="a"><stop offset="0" stop-color="#2b343c"/><stop offset="1" stop-color="#404c55"/></linearGradient></defs><path fill="url(#b)" d="M694.3 283a411.3 394 0 0 1-410.7 394 411.3 394 0 0 1-412-392.8 411.3 394 0 0 1 409.5-395.1 411.3 394 0 0 1 413.2 391.4" transform="translate(-2 -2)"/><path fill="#4fd1d1" d="M281 81a200 200 0 0 0-153.4 71.8 120 120 0 0 0 50.5 25.8c9 2.3 8.9 2.3 15.6-.6 50-21.6 124.4-21.6 175.2-.1 13.3 5.6 44.6-6.5 65.9-24.8a200 200 0 0 0-153.8-72m-161.9 82.7a200 200 0 0 0-38 117.3 200 200 0 0 0 200 200 200 200 0 0 0 200-200 200 200 0 0 0-37.8-116.8 96 96 0 0 1-17.7 46.6l-2.8 4 1.3 1.8c73.3 99.2-14.3 222.2-116.7 163.6-2.5-1.4-4.7-2.4-5-2.1s-10.5 19.6-18 34c-3.4 6.5-2.7 6.6-6.3-.3-9.2-17.5-18-34-18.3-34-.1 0-2.3 1-4.7 2.5-101.3 58-190.7-65.7-117.4-162.4q2.3-3 1.8-3.6a102 102 0 0 1-20.4-50.6m86.5 57q-14.6 0-29.8 7.5C108 261.8 143.1 366.4 217.5 352a68 68 0 0 0 43.3-28.4c2.4-3.4 3.3-4.2 3.7-3.7l8.5 14.6c9.4 16.3 8 15 11.4 9 5.1-9 13.7-23.5 14-24 .3-.2 1.9 1.8 3.6 4.3 31 45.5 101.6 35.6 118.3-16.5a66.4 66.4 0 0 0-83.9-83c-23.3 7.7-38.7 24.4-53.8 58.4l-1.3 3-2.7-6c-17-38.5-43.7-59.5-73-59.2m147.2 34.7a32 32 0 0 1 23.7 9.5c22.8 22.8.7 60.8-30.9 53.1a32 32 0 0 1-23.2-37.3 31.5 31.5 0 0 1 30.4-25.3m-145.8 0c16.4-.8 32.7 11 33.9 30.1a32.2 32.2 0 0 1-40.1 32.5 31.5 31.5 0 0 1-15-52.9 32 32 0 0 1 21.2-9.6m12 9.6q-3.3 0-5.8 3c-6.3 7.4 2.5 17.7 11 13a9 9 0 0 0 4.2-7.5c0-5.4-4.8-8.9-9.4-8.5m123.1 0c-6 .5-9.6 6.5-7 12.3 2 4.5 8.3 6.3 12.2 3.6 7.2-4.9 4.7-15.3-4-15.8z"/></svg>
--- a/src/lib/components/ui/station-board/StaffServicesTable.svelte
+++ b/src/lib/components/ui/station-board/StaffServicesTable.svelte
@@ -8,7 +8,25 @@
 		`${s.r}${s.sta ?? ''}${s.std ?? ''}${s.wtp ?? ''}`;
 </script>

-	<table class="departure-board">
+<table class="departure-board">
+	<colgroup>
+		<col style="width:10%;" />
+		<!-- ID (Headcode) -->
+		<col style="width:17%;" />
+		<!-- ORIG (Origin) -->
+		<col style="width:17%;" />
+		<!-- DEST (Destination) -->
+		<col style="width:9%;" />
+		<!-- PLT (Platform) -->
+		<col style="width: 12%;" />
+		<!-- STA -->
+		<col style="width: 12%;" />
+		<!-- ETA/ATA -->
+		<col style="width: 12%;" />
+		<!-- STD -->
+		<col style="width: 11%;" />
+		<!-- ETD/ATD -->
+	</colgroup>
 	<thead>
 		<tr>
 			<th colspan="4" aria-hidden="true"></th>
@@ -29,44 +47,105 @@

 	{#each services as service (getRowKey(service))}
 		<tbody>
-                <tr class="service-row" class:serviceCancelled={service.c} class:servicePass={service.wtp}>
+			<tr
+				class="service-row"
+				class:serviceCancelled={service.c}
+				class:servicePass={service.wtp}
+				class:serviceNonPassenger={!service.ip}
+			>
 				<td class="id-cell">{service.h}</td>
-                    <td class="orig-cell">{service.og.t}</td>
-                    <td class="dest-cell">{service.dt.t}</td>
-                    <td class="plt-cell" class:platSup={service.ps} class:platChange={service.pc}>{service.p}</td>
+				<td class="orig-cell"
+					><abbr title={service.og.n.toLocaleUpperCase()}>{service.og.t}</abbr></td
+				>
+				<td class="dest-cell"
+					><abbr title={service.dt.n.toLocaleUpperCase()}>{service.dt.t}</abbr></td
+				>
+				<td class="plt-cell" class:platSup={service.ps} class:platChange={service.pc}
+					>{service.p || '-'}</td
+				>

 				<!-- Handle different display for a passing train -->
 				{#if service.wtp}
 					<td class="pass-cell" colspan="2">Pass</td>
 					<td class="time-cell">{formatUkTime(service.wtp)}</td>
-                      <td class="time-cell {estClass(service.atp, service.etp)} {delayClassFromTimePair(service.wtp, service.atp || service.etp)}">{formatUkTime(service.atp || service.etp)}</td>
+					<!-- If cancelled, show '-', otherwise check for RT or show time -->
+					<td
+						class="time-cell {estClass(service.atp, service.etp)} {delayClassFromTimePair(
+							service.wtp,
+							service.atp || service.etp
+						)}"
+					>
+						<span>
+							{service.c
+								? '-'
+								: delayClassFromTimePair(service.wtp, service.atp || service.etp) === 'delay-rt'
+									? 'RT'
+									: formatUkTime(service.atp || service.etp)}
+						</span>
+					</td>
 				{:else}
 					<td class="time-cell">{formatUkTime(service.sta)}</td>
-                      <td class="time-cell {estClass(service.ata, service.eta)} {delayClassFromTimePair(service.sta, service.ata || service.eta)}">{formatUkTime(service.ata || service.eta)}</td>
+
+					<!-- Arrival Actual/Expected -->
+					<td
+						class="time-cell {estClass(service.ata, service.eta)} {delayClassFromTimePair(
+							service.sta,
+							service.ata || service.eta
+						)}"
+					>
+						<span>
+							{service.c
+								? '-'
+								: delayClassFromTimePair(service.sta, service.ata || service.eta) === 'delay-rt'
+									? 'RT'
+									: formatUkTime(service.ata || service.eta)}
+						</span>
+					</td>
+
 					<td class="time-cell">{formatUkTime(service.std)}</td>
-                      <td class="time-cell {estClass(service.atd, service.etd)} {delayClassFromTimePair(service.std, service.atd || service.etd)}">{formatUkTime(service.atd || service.etd)}</td>
+
+					<!-- Departure Actual/Expected -->
+					<td
+						class="time-cell {estClass(service.atd, service.etd)} {delayClassFromTimePair(
+							service.std,
+							service.atd || service.etd
+						)}"
+					>
+						<span>
+							{service.c
+								? '-'
+								: delayClassFromTimePair(service.std, service.atd || service.etd) === 'delay-rt'
+									? 'RT'
+									: formatUkTime(service.atd || service.etd)}
+						</span>
+					</td>
 				{/if}
 			</tr>

+			{#if service.o}
+				<tr class="toc-coach-row">
+					<td colspan="8">
+						{service.o}
+					</td>
+				</tr>
+			{/if}
 			{#if service.c && service.cr?.r}
-                <tr>
-                    <td aria-hidden="true"></td>
+				<tr class="cancel-row">
 					<td colspan="8">
 						{service.cr.r}
 						{#if service.cr.l}
-                            {service.cr.n ? "near" : "at"}
+							{service.cr.n ? 'near' : 'at'}
 							{service.cr.l}
 						{/if}
 					</td>
 				</tr>
 			{/if}
 			{#if service.dr?.r}
-                <tr>
-                    <td aria-hidden="true"></td>
-                    <td colspan="8">
+				<tr class="delay-row">
+					<td colspan="9">
 						{service.dr.r}
 						{#if service.dr.l}
-                            {service.dr.n ? "near" : "at"}
+							{service.dr.n ? 'near' : 'at'}
 							{service.dr.l}
 						{/if}
 					</td>
@@ -74,75 +153,266 @@
 			{/if}
 		</tbody>
 	{/each}
-
-	</table>
+</table>

 <style>
 	.departure-board {
 		width: 100%;
-        margin: 0 auto;
-        font-family: 'URW Gothic', sans-serif;
-        font-variant-numeric: tabular-nums;
+		margin: 5px auto;
 		border-collapse: collapse;
+		table-layout: fixed;
 	}
+
+	.departure-board td {
+		font-family: 'Inconsolata Variable', monospace;
+		font-size: clamp(1rem, 0.475rem + 2.8vw, 1.35rem);
+		font-variant-ligatures: additional-ligatures;
+		overflow: hidden;
+	}
+
+	thead,
+	.cancel-row td,
+	.delay-row td {
+		letter-spacing: -0.15ch;
+	}
+
 	thead {
 		position: sticky;
 		top: 0;
 		z-index: 2;
 		background: var(--color-bg-dark);
 	}
+
+	abbr {
+		text-decoration: none;
+		border-bottom: none;
+		cursor: help;
+	}
+
+	tbody tr:first-child td {
+		border-top: 5px solid transparent;
+	}
+
+	/* Row Logic */
 	.serviceCancelled {
-        text-decoration: line-through;
+		color: rgb(255, 131, 131);
 	}
-    .servicePass {
-        font-style: italic;
+
+	.servicePass td {
+		opacity: 0.75;
+		font-weight: 200;
+	}
+
+	.serviceNonPassenger td {
 		opacity: 0.5;
+		font-weight: 290;
+		font-style: italic;
 	}
-    .id-cell{
-        font-family:'Courier New', Courier, monospace;
-        text-align: center;
+
+	/* Special Row Styles */
+	.cancel-row td,
+	.delay-row td {
+		font-size: 0.88rem;
+		text-align: left;
 	}
-    .orig-cell, .dest-cell {
-        color: var(--location-yellow);
+
+	.cancel-row td[colspan],
+	.delay-row td[colspan] {
+		padding-left: 0ch;
+	}
+
+	.cancel-row td {
+		color: rgb(255, 131, 131);
+		font-weight: 400;
+	}
+
+	.delay-row td {
+		color: var(--delay-orange);
+		font-style: italic;
+	}
+	@media (min-width: 375px) {
+		.cancel-row td,
+		.delay-row td {
+			font-size: 1.08rem;
+		}
+	}
+	@media (min-width: 420px) {
+		.cancel-row td,
+		.delay-row td {
+			font-size: 1.12rem;
+		}
+	}
+	@media (min-width: 550px) {
+		.cancel-row td,
+		.delay-row td {
+			font-size: 1.18rem;
+		}
+	}
+	@media (min-width: 620px) {
+		.cancel-row td,
+		.delay-row td {
+			font-size: 1.2rem;
+		}
+	}
+
+	.toc-coach-row td {
+		font-family: 'URW Gothic', sans-serif;
+		font-size: 0.7rem;
+		padding: 0;
+		color: rgb(187, 187, 255);
+	}
+	@media (min-width: 400px) {
+		.toc-coach-row td {
+			font-size: 0.8rem;
+		}
+	}
+	@media (min-width: 550px) {
+		.toc-coach-row td {
+			font-size: 0.85rem;
+		}
+	}
+
+	/* Column Specifics */
+	.id-cell {
+		text-align: left;
+		font-weight: 400;
+		font-stretch: 85%;
+		filter: brightness(0.75);
+	}
+	@media (min-width: 400px) {
+		.id-cell {
+			font-stretch: 90%;
+		}
+	}
+	.orig-cell,
+	.dest-cell {
+		font-stretch: 80%;
+		font-weight: 400;
 	}
 	.orig-cell {
 		text-align: left;
+		color: var(--location-yellow);
 	}
 	.dest-cell {
 		text-align: right;
+		color: var(--location-yellow);
+	}
+	@media (min-width: 350px) {
+		.orig-cell,
+		.dest-cell {
+			font-stretch: 85%;
+		}
+		@media (min-width: 400px) {
+			.orig-cell,
+			.dest-cell {
+				font-stretch: 90%;
+			}
+		}
+		@media (min-width: 490px) {
+			.orig-cell,
+			.dest-cell {
+				font-stretch: 95%;
+			}
+		}
+		@media (min-width: 520px) {
+			.orig-cell,
+			.dest-cell {
+				font-stretch: 100%;
+			}
+			.orig-cell {
+				text-align: right;
+				padding-right: 7px;
+			}
+			.dest-cell {
+				text-align: left;
+				padding-left: 7px;
+			}
+		}
+		@media (min-width: 600px) {
+			.orig-cell,
+			.dest-cell {
+				letter-spacing: 0.05ch;
+			}
+		}
 	}
 	.plt-cell {
 		text-align: center;
+		font-weight: 410;
+		font-stretch: 100%;
 	}
-    .platChange {
-        animation: 2s fast-pulse ease-in-out infinite;
+	@media (min-width: 525px) {
+		.plt-cell {
+			font-stretch: 110%;
 		}
-    .platSup {
-        filter: opacity(0.5);
+	}
+	.plt-cell.platSup {
+		font-weight: 200;
+		opacity: 0.3;
+	}
+	.plt-cell.platChange {
+		animation: fast-pulse 2s ease-out infinite;
+	}
+	.service-row.serviceCancelled .plt-cell {
+		text-decoration: line-through;
 	}
 	.pass-cell {
 		text-align: center;
+		font-stretch: 100%;
 	}
+	/* Colour orig and dest values when cancelled */
+	.service-row.serviceCancelled .orig-cell,
+	.service-row.serviceCancelled .dest-cell {
+		color: rgb(255, 131, 131);
+	}
+
 	.time-cell {
 		text-align: center;
+		font-stretch: 72%;
 	}
+	@media (min-width: 350px) {
+		.time-cell {
+			font-stretch: 77%;
+		}
+	}
+	@media (min-width: 400px) {
+		.time-cell {
+			font-stretch: 82%;
+		}
+	}
+	@media (min-width: 525px) {
+		.time-cell {
+			font-stretch: 90%;
+		}
+	}
+	@media (min-width: 600px) {
+		.time-cell {
+			font-stretch: 100%;
+		}
+	}
+
+	/* RT Logic */
+	.time-cell.delay-rt span {
+		display: none;
+	}
+	.time-cell.delay-rt::after {
+		content: 'RT';
+	}
+
+	.time-cell.delay-early {
+		color: var(--early-blue);
+	}
+
+	.time-cell.delay-late {
+		color: var(--delay-orange);
+	}
+
+	/* Time Types */
 	.est {
-        font-style: oblique;
+		font-style: italic;
 		opacity: 0.75;
+		font-weight: 200;
 	}
 	.act {
 		font-weight: 600;
-        color: green;
-    }
-    .delay-cell {
-        text-align: center;
-    }
-    .delay-late {
-        color: var(--delay-orange);
-        animation: 2s fast-pulse ease-in-out infinite;
-    }
-    .delay-early {
-        color: var(--early-blue);
-        animation: 2s fast-pulse ease-in-out infinite;
 	}
 </style>
--- a/src/lib/components/ui/station-board/StationAlertCard.svelte
+++ b/src/lib/components/ui/station-board/StationAlertCard.svelte
@@ -49,6 +49,11 @@
 		margin-bottom: 0;
 		width: 95%;
 		max-width: 750px;
+		-webkit-tap-highlight-color: transparent;
+	}
+
+	.alert-card:active {
+		filter: brightness(1.2);
 	}

 	.trigger {
@@ -56,7 +61,7 @@
 		display: flex;
 		border-radius: 8px;
 		align-items: center;
-		padding: 0.4rem 1rem;
+		padding: 0.1rem 1.05rem;
 		background: var(--alert-orange);
 		color: white;
 		border: none;
@@ -64,13 +69,13 @@
 		text-align: left;
 		position: relative;
 		z-index: 2;
-		height: 46px;
+		height: 40px;
 		transition: all 0.65s 0.2s;
 	}

 	.trigger.active {
 		border-radius: 8px 8px 0 0;
-		transition: all 0.1s 0s;
+		transition: all 0.01s 0s;
 	}

 	.warning-icon {
@@ -105,7 +110,7 @@
 	.content {
 		padding: 1rem;
 		position: absolute;
-		top: 46px;
+		top: 40px;
 		border-radius: 0 0 8px 8px;
 		left: 0;
 		right: 0;
--- a/src/lib/global.css
+++ b/src/lib/global.css
@@ -129,6 +129,36 @@
 	font-style: normal;
 	font-display: swap;
 }
+
+/* Fira Code - Variable with fallback */
+@font-face {
+	font-family: 'Fira Code';
+	src: url('/type/fira-code/FiraCode-VF.woff2') format('woff2-variations');
+	font-weight: 300 700;
+	font-style: normal;
+	font-display: swap;
+}
+@font-face {
+	font-family: 'Fira Code';
+	src: url('/type/fira-code/FiraCode-Regular.woff2') format('woff2');
+	font-weight: 400;
+	font-style: normal;
+	font-display: swap;
+}
+
+/* Inconsolata Variable */
+@font-face {
+	font-family: 'Inconsolata Variable';
+	font-style: normal;
+	font-display: swap;
+	font-weight: 200 900;
+	font-stretch: 50% 200%;
+	src: url(/type/inconsolata/latin-wdth-normal.woff2) format('woff2-variations');
+	unicode-range:
+		U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
+		U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}
+
 :root {
 	/* Fixed Heights */
 	--header-height: 80px;
@@ -163,7 +193,7 @@
 		opacity: 1;
 	}
 	50% {
-		opacity: 0.3;
+		opacity: 0.5;
 	}
 }

--- a/src/lib/preferences.svelte.ts
+++ b/src/lib/preferences.svelte.ts
@@ -0,0 +1,43 @@
+import { browser } from '$app/environment';
+
+export interface Preferences {
+	locationEnabled: boolean;
+}
+
+const STORAGE_KEY = 'ob_pref';
+
+const DEFAULT_PREFS: Preferences = {
+	locationEnabled: false
+};
+
+function loadPrefs(): Preferences {
+	if (!browser) return DEFAULT_PREFS;
+	const stored = localStorage.getItem(STORAGE_KEY);
+	if (!stored) return DEFAULT_PREFS;
+
+	try {
+		return { ...DEFAULT_PREFS, ...JSON.parse(stored) };
+	} catch {
+		return DEFAULT_PREFS;
+	}
+}
+
+class PreferencesStore {
+	current = $state<Preferences>(loadPrefs());
+
+	constructor() {
+		$effect.root(() => {
+			$effect(() => {
+				if (browser) {
+					localStorage.setItem(STORAGE_KEY, JSON.stringify(this.current));
+				}
+			});
+		});
+	}
+
+	toggleLocation(enabled: boolean) {
+		this.current.locationEnabled = enabled;
+	}
+}
+
+export const prefs = new PreferencesStore();
--- a/src/lib/quick-links.svelte.ts
+++ b/src/lib/quick-links.svelte.ts
@@ -15,7 +15,11 @@ class QuickLinksService {
 		if (typeof window !== 'undefined') {
 			const saved = localStorage.getItem('ql');
 			if (saved) {
+				try {
 					this.#links = JSON.parse(saved);
+				} catch {
+					this.#links = [];
+				}
 			}
 		}
 	}
@@ -53,8 +57,17 @@ class QuickLinksService {

 		this.#links = sorted.slice(0, MAX_ENTRIES);

+		if (typeof window !== 'undefined') {
 			localStorage.setItem('ql', JSON.stringify(this.#links));
 		}
+	}
+
+	reset() {
+		this.#links = [];
+		if (typeof window !== 'undefined') {
+			localStorage.removeItem('ql');
+		}
+	}
 }

 export const quickLinks = new QuickLinksService();
--- a/src/lib/utils/time.ts
+++ b/src/lib/utils/time.ts
@@ -1,6 +1,6 @@
 import type { ApiTrainsTrainDetails } from '@owlboard/owlboard-ts';

-export const estClass = (act: any, est: any) => (!act && est ? 'est' : 'act');
+export const estClass = (act: any, est: any) => (act ? 'act' : 'est');

 /**
 * Converts ISO/JSON time to UK-formatted HH:MM string, with optional (default off) seconds
@@ -10,10 +10,10 @@ export function formatUkTime(
 	dateStr: string | Date | undefined,
 	includeSeconds: boolean = false
 ): string {
-	if (!dateStr) return '--:--';
+	if (!dateStr) return '-';
 	const date = typeof dateStr === 'string' ? new Date(dateStr) : dateStr;

-	if (isNaN(date.getTime())) return '--:--';
+	if (isNaN(date.getTime())) return '-';

 	return date.toLocaleTimeString('en-GB', {
 		hour: '2-digit',
@@ -57,14 +57,20 @@ export function formatUkDateTime(
 */
 interface DelayInput {
 	// Board types
-    sta?: string | null; std?: string | null; 
-    eta?: string | null; etd?: string | null;
-    ata?: string | null; atd?: string | null;
+	sta?: string | null;
+	std?: string | null;
+	eta?: string | null;
+	etd?: string | null;
+	ata?: string | null;
+	atd?: string | null;

 	// Journey types
-    pta?: string | null; ptd?: string | null; 
-    wta?: string | null; wtd?: string | null;
-    atp?: string | null; wtp?: string | null;
+	pta?: string | null;
+	ptd?: string | null;
+	wta?: string | null;
+	wtd?: string | null;
+	atp?: string | null;
+	wtp?: string | null;
 	etp?: string | null;
 }

--- a/src/routes/+error.svelte
+++ b/src/routes/+error.svelte
@@ -12,6 +12,7 @@
 		<img class="err-img" src={noResult} alt="" role="presentation" width="200" height="200" />
 	{:else if page.status == 499}
 		<!-- Change to a GSM-R X Sign?? -->
+		<span>OFFLINE!</span>
 		<img class="err-img" src={stopErr} alt="" role="presentation" width="150" height="210" />
 	{:else}
 		<!-- STOP Error image -->
@@ -29,7 +30,7 @@
 		</div>
 	{/if}

-	{#if $page.error?.owlCode === 'NETWORK_DISCONNECTED'}
+	{#if page.error?.owlCode === 'NETWORK_DISCONNECTED'}
 		<Button onclick={() => window.location.reload()} color={'accent'}>Retry</Button>
 	{:else}
 		<Button href={'/'} color={'accent'}>Return to Home</Button>
--- a/src/routes/+layout.svelte
+++ b/src/routes/+layout.svelte
@@ -2,9 +2,9 @@
 	import { page } from '$app/state';
 	import { slide, fade } from 'svelte/transition';
 	import { onMount } from 'svelte';
+	import { browser } from '$app/environment';
 	import { navigating } from '$app/state';
 	import { LOCATIONS } from '$lib/locations-object.svelte';
-	import { nearestStationsState } from '$lib/geohash.svelte';

 	import Loading from '$lib/components/ui/Loading.svelte';
 	import TimezoneWarning from '$lib/components/ui/TimezoneWarning.svelte';
@@ -17,7 +17,19 @@

 	import { IconHome, IconDialpad, IconSettings, IconHelp, IconDots } from '@tabler/icons-svelte';

-	onMount(() => LOCATIONS.init());
+	onMount(async () => {
+		LOCATIONS.init();
+		if (browser && 'serviceWorker' in navigator) {
+			try {
+				const registration = await navigator.serviceWorker.register('/service-worker.js', {
+					type: 'module'
+				});
+				console.info('OwlBoard Service Worker registered', registration.scope);
+			} catch (error) {
+				console.error('Service Worker installation failed: ', error);
+			}
+		}
+	});

 	let { children } = $props();

@@ -147,7 +159,7 @@
 	<h1 class="viewport-guard-title">Narrow Gauge Detected</h1>
 	<p>
 		Just as trains need the right track width, our data needs a bit more room to stay on the rails.
-		Please expand your view to at least 300px to view the app.
+		Please expand your view to at least 320px to view the app.
 	</p>
 </div>

@@ -319,7 +331,7 @@
 		display: none;
 	}

-	@media (max-width: 299px) {
+	@media (max-width: 319px) {
 		.viewport-guard {
 			display: block;
 			position: fixed;
--- a/src/routes/board/+page.svelte
+++ b/src/routes/board/+page.svelte
@@ -90,7 +90,8 @@
 		flex: 1;
 		overflow-y: auto;
 		height: calc(100dvh - 60px);
-		width: 100%;
+		width: 97%;
+		max-width: 700px;
 		margin-bottom: 5px;
 	}
 </style>
--- a/src/service-worker.ts
+++ b/src/service-worker.ts
@@ -0,0 +1,83 @@
+/// <reference types="@sveltejs/kit" />
+/// <reference lib="webworker" />
+
+import type { ApiEnvelope } from '@owlboard/api-schema-types';
+import { build, files, version } from '$service-worker';
+
+const sw = self as unknown as ServiceWorkerGlobalScope;
+const CACHE_NAME = `owlboard-cache-${version}`;
+const ASSETS = [
+	...build,
+	...files.filter((file) => !file.endsWith('manifest.json') && !file.startsWith('/icons/')),
+	'/'
+];
+
+sw.addEventListener('install', (event) => {
+	sw.skipWaiting();
+	event.waitUntil(caches.open(CACHE_NAME).then((cache) => cache.addAll(ASSETS)));
+});
+
+sw.addEventListener('activate', (event) => {
+	event.waitUntil(
+		Promise.all([
+			caches.keys().then((keys) => {
+				return Promise.all(
+					keys.filter((key) => key !== CACHE_NAME).map((key) => caches.delete(key))
+				);
+			}),
+			sw.clients.claim()
+		])
+	);
+});
+
+sw.addEventListener('fetch', (event) => {
+	const { request } = event;
+	if (request.method !== 'GET') return;
+
+	const url = new URL(request.url);
+
+	// Uncached static assets
+	if (url.pathname.endsWith('manifest.json') || url.pathname.includes('/icons/')) {
+		event.respondWith(fetch(request));
+		return;
+	}
+
+	// 1. Static Assets (Cache-First)
+	if (ASSETS.includes(url.pathname) || url.pathname.startsWith('/_app/')) {
+		event.respondWith(caches.match(request).then((res) => res || fetch(request)));
+		return;
+	}
+
+	// 2. Offline API Fallback (Network-First)
+	if (url.pathname.startsWith('/api') || url.hostname.includes('api')) {
+		event.respondWith(
+			fetch(request).catch(() => {
+				const errorObject: ApiEnvelope.Envelope = {
+					e: {
+						code: 'NETWORK_DISCONNECTED',
+						msg: 'Cannot connect to the OwlBoard server'
+					},
+					t: Math.floor(Date.now() / 1000)
+				};
+				return new Response(JSON.stringify(errorObject), {
+					status: 503,
+					headers: { 'Content-Type': 'application/json' }
+				});
+			})
+		);
+		return;
+	}
+
+	// 3. Navigation Fallback (The Offline 404 Catch-All)
+	// This catches top-level page navigations and hard refreshes
+	if (request.mode === 'navigate' || request.headers.get('accept')?.includes('text/html')) {
+		event.respondWith(
+			fetch(request).catch(() => {
+				// The network request failed entirely (offline).
+				// Serve the cached root shell so SvelteKit can boot.
+				return caches.match('/') as Promise<Response>;
+			})
+		);
+		return;
+	}
+});
--- a/static/icons/apple-touch-icon.png
+++ b/static/icons/apple-touch-icon.png
--- a/static/icons/icon-192.png
+++ b/static/icons/icon-192.png
--- a/static/icons/icon-512.png
+++ b/static/icons/icon-512.png
--- a/static/icons/maskable-512.png
+++ b/static/icons/maskable-512.png
--- a/static/manifest.json
+++ b/static/manifest.json
@@ -0,0 +1,62 @@
+{
+    "name": "OwlBoard",
+    "short_name": "OwlBoard",
+    "description": "Real-time UK rail data and operational tools for staff and enthusiasts.",
+    "id": "/",
+    "start_url": "/",
+    "scope": "/",
+    "display": "standalone",
+    "display_override": [
+        "window-controls-overlay",
+        "standalone",
+        "minimal-ui"
+    ],
+    "background_color": "#404c55",
+    "theme_color": "#4fd1d1",
+    "orientation": "portrait",
+    "categories": [
+        "transportation",
+        "utilities"
+    ],
+    "dir": "ltr",
+    "lang": "en-GB",
+    "prefer_related_applications": false,
+    "icons": [
+        {
+            "src": "/icons/icon-192.png",
+            "sizes": "192x192",
+            "type": "image/png",
+            "purpose": "any"
+        },
+        {
+            "src": "/icons/icon-512.png",
+            "sizes": "512x512",
+            "type": "image/png",
+            "purpose": "any"
+        },
+        {
+            "src": "/icons/maskable-512.png",
+            "sizes": "512x512",
+            "type": "image/png",
+            "purpose": "maskable"
+        }
+    ],
+    "shortcuts": [
+        {
+            "name": "Find PIS",
+            "short_name": "PIS",
+            "description": "Find PIS Codes fast",
+            "url": "/pis",
+            "icons": [
+                {
+                    "src": "/icons/icon-192.png",
+                    "sizes": "192x192"
+                }
+            ]
+        }
+    ],
+    "handle_links": "preferred",
+    "launch_handler": {
+        "client_mode": "focus-existing"
+    }
+}
--- a/static/type/inconsolata/latin-wdth-normal.woff2
+++ b/static/type/inconsolata/latin-wdth-normal.woff2
Author	SHA1	Message	Date
Fred Boniface	1105a9f7c5	Add extra message to +error.svelte to handle, and clarify 'OFFLINE' error.	2026-05-14 19:43:22 +01:00
Fred Boniface	25b64edabd	Add features: - manifest.json with PNG icon set. - reset option against QuickLinks storage - 'Preferences' store, ready for preferences page - including location boolean... Important! - Minor service-worker improvements for better offline fallbacks	2026-05-14 19:39:05 +01:00
Fred Boniface	bc56e66178	Add initlal service-worker with basic offline handling. Manifest is not yet present.	2026-05-13 20:47:01 +01:00
Fred Boniface	0ef9e5b56f	Adjust dynamic styles on the departure board component	2026-05-12 20:35:12 +01:00
Fred Boniface	b88f4f3b35	Dynamically adjust font size based on vw value	2026-05-12 19:06:25 +01:00
Fred Boniface	a2e6f3b99a	Switch departure board to use Inconsolata monospaced font (varying widths, weights, etc.)	2026-05-11 20:28:22 +01:00
				`@@ -0,0 +1 @@`
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