:root {
	--red: #e60000;
	--fg: #1a1a1a;
	--muted: #666;
	--bg: #f4f4f4;
	--card: #fff;
	--border: #ddd;
	--ok: #0a7a35;
	--warn: #b35c00;
	--maintenance: #f0a000;
	color-scheme: light dark;
	font-family: system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
	:root {
		--fg: #eee;
		--muted: #9a9a9a;
		--bg: #151515;
		--card: #222;
		--border: #3a3a3a;
		--ok: #3ccf74;
		--warn: #ffa23c;
	}
}

* {
	box-sizing: border-box;
}

body {
	margin: 0 auto;
	max-width: 960px;
	padding: 1rem;
	background: var(--bg);
	color: var(--fg);
	line-height: 1.45;
}

header h1 {
	margin: 0.5rem 0 0;
	color: var(--red);
}

h2 {
	margin: 0 0 0.5rem;
	font-size: 1.25rem;
}

h3 {
	margin: 1.25rem 0 0.5rem;
	font-size: 1rem;
}

.card {
	background: var(--card);
	border: 1px solid var(--border);
	border-radius: 10px;
	padding: 1rem 1.25rem;
	margin: 1rem 0;
}

.muted {
	color: var(--muted);
}

.small {
	font-size: 0.85rem;
}

label {
	display: block;
	margin-bottom: 0.75rem;
	font-weight: 600;
}

input {
	display: block;
	width: 100%;
	margin-top: 0.25rem;
	padding: 0.55rem 0.7rem;
	font: inherit;
	border: 1px solid var(--border);
	border-radius: 6px;
	background: var(--bg);
	color: var(--fg);
}

button {
	font: inherit;
	padding: 0.55rem 1rem;
	border: 0;
	border-radius: 6px;
	background: var(--red);
	color: #fff;
	cursor: pointer;
}

button:disabled {
	opacity: 0.5;
	cursor: default;
}

button.link {
	background: none;
	color: var(--red);
	padding: 0;
}

button.secondary {
	background: var(--border);
	color: var(--fg);
}

.row {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	gap: 1rem;
}

.inline {
	display: flex;
	gap: 0.5rem;
}

.inline input {
	margin: 0;
}

.choices {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.choices button {
	background: var(--bg);
	color: var(--fg);
	border: 1px solid var(--border);
}

.flash {
	padding: 0.75rem 1rem;
	border-radius: 8px;
	background: var(--card);
	border-left: 4px solid var(--red);
}

.status-ok {
	color: var(--ok);
	font-weight: 600;
}

.fault {
	border-left: 4px solid var(--red);
	padding: 0.25rem 0.75rem;
	margin: 0.75rem 0;
}

.fault.maintenance {
	border-color: var(--maintenance);
}

.fault h3 {
	margin: 0;
}

.subscribe {
	display: grid;
	grid-template-columns: 1fr 2fr;
	gap: 1.5rem;
}

.subscribe h3 {
	margin-top: 0.25rem;
}

.windows {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
	gap: 0.75rem;
}

.window {
	border: 1px solid var(--border);
	border-radius: 8px;
	padding: 0.6rem 0.8rem;
}

.window .big {
	font-size: 1.6rem;
	font-weight: 700;
}

.window dl {
	display: grid;
	grid-template-columns: auto auto;
	gap: 0 0.75rem;
	margin: 0.25rem 0 0;
	font-size: 0.85rem;
}

.window dd {
	margin: 0;
	text-align: right;
}

.chart {
	display: flex;
	align-items: flex-end;
	gap: 1px;
	height: 120px;
	border-bottom: 1px solid var(--border);
}

.chart .day {
	flex: 1;
	display: flex;
	flex-direction: column-reverse;
	height: 100%;
	min-width: 2px;
}

.chart .day.observed {
	box-shadow: inset 0 -3px 0 var(--ok);
}

.chart .day:hover {
	background: var(--bg);
}

.chart .incident {
	background: var(--red);
}

.chart .maintenance {
	background: var(--maintenance);
}

.legend {
	margin-top: 0.4rem;
}

.sw {
	display: inline-block;
	width: 0.8em;
	height: 0.8em;
	margin: 0 0.3em 0 0.8em;
	vertical-align: -0.05em;
}

.sw.incident {
	background: var(--red);
}

.sw.maintenance {
	background: var(--maintenance);
}

.split {
	display: grid;
	grid-template-columns: 3fr 2fr;
	gap: 1.5rem;
}

.bars {
	display: flex;
	align-items: flex-end;
	gap: 2px;
	height: 80px;
	border-bottom: 1px solid var(--border);
}

.bars div {
	flex: 1;
	position: relative;
	background: var(--red);
}

.bar-labels {
	display: flex;
	gap: 2px;
	font-size: 0.7rem;
	color: var(--muted);
}

.bar-labels span {
	flex: 1;
	text-align: center;
	overflow: hidden;
}

table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.9rem;
}

th,
td {
	text-align: left;
	padding: 0.35rem 0.5rem;
	border-bottom: 1px solid var(--border);
	vertical-align: top;
}

footer {
	margin: 2rem 0 1rem;
}

footer a {
	color: inherit;
}

@media (max-width: 640px) {
	.subscribe,
	.split {
		grid-template-columns: 1fr;
	}
}