:root {
	color-scheme: dark;
	--bg: #0b0f14;
	--panel: #0f1620;
	--text: #e7edf5;
	--muted: #98a6b7;
	--border: rgba(255, 255, 255, 0.08);
}

* {
	box-sizing: border-box;
}

html,
body {
	height: 100%;
	margin: 0;
	font-family:
		ui-sans-serif,
		system-ui,
		-apple-system,
		Segoe UI,
		Roboto,
		Arial;
	background: var(--bg);
	color: var(--text);
}

.app {
	min-height: 100%;
	display: grid;
	justify-items: center;
	align-content: start;
	padding: 18px 14px;
}

.shell {
	width: min(720px, 100%);
	display: grid;
	gap: 10px;
}

.header {
	text-align: center;
}
.title {
	margin: 0;
	font-size: 22px;
	letter-spacing: 0.2px;
}

.card {
	border: 1px solid var(--border);
	background: var(--panel);
	border-radius: 14px;
	padding: 16px;
}