:root {
	--bg: #0b1220;
	--fg: #e6eef8;
	--muted: #9fb0c8;
	--accent: #5eead4;
	--panel: rgba(255,255,255,0.04);
}

html, body {
	height: 100%;
	margin: 0;
	font-family: Inter, system-ui, Arial, sans-serif;
	background: var(--bg);
	color: var(--fg);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

main {
	padding: 18px;
	max-width: none;
	margin: 0;
	height: 97vh;
	display: flex;
	flex-direction: column;
	justify-content: space-evenly;
}

/* Center content on the index page */
main.index-page {
	justify-content: center;
}
/* Demo layout: two-column grid */
.demo-grid {
	/* display: flex; */
	display: none;
	/* gap: 20px; */
	width: 50%;
	align-items: flex-start;
	position: absolute;
	top: 0;
	z-index: 999;
}

.video-wrap {
	flex: 0 0 54%;
	width: 100%;
	height: 50vh;
	position: relative;
}

.video-wrap video,
.video-wrap canvas {
	width: 100%;
	height: 100%;
	display: block;
	object-fit: cover;
}

.video-wrap canvas {
	position: absolute;
	left: 0;
	top: 0;
	pointer-events: none;
}

/* Metrics: right column */
#metrics {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	width: 100%;
	/* gap: 10px; */
	position: absolute;
	top: 0;
	font-size: 0.7rem;
}

#metrics .demo-title {
	font-size: 1.04rem;
	font-weight: 800;
	color: var(--accent);
	text-align: center;
	margin: 0 0 6px 0;
	width: 100%;
}

#metrics > div {
	/* background: rgba(255,255,255,0.02); */
	/* padding: 10px 12px; */
	/* border-radius: 8px;
	border: 1px solid var(--panel); */
	display: flex;
	justify-content: space-between;
	align-items: center;
	width: 100%;
	padding: 0 2px;
}

#metrics strong { font-weight: 600; margin-right: 8px; }

.cheatsheet {
	margin-top: 12px;
	background: rgba(255,255,255,0.02);
	padding: 10px 12px;
	border-radius: 8px;
	border: 1px solid var(--panel);
	color: var(--muted);
	font-size: 0.95rem;
	width: 100%;
}

@media (max-width: 900px) {
	.demo-grid { flex-direction: column; }
	.video-wrap { height: 48vh; }
	#metrics { align-items: stretch; }
}


.notice {
	margin-top: 14px;
	color: var(--muted);
	font-size: 0.92rem;
}

/* Menu / utility styles */
.menu {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 12px;
	padding-top: 40px;
}

.lead {
	color: var(--muted);
	max-width: 72ch;
	text-align: center;
}

.options {
	display: flex;
	flex-direction: column;
	gap: 12px;
	width: 100%;
	max-width: 640px;
}

.option {
	display: block;
	padding: 18px;
	border-radius: 8px;
	background: var(--panel);
	color: var(--fg);
	text-decoration: none;
	border: 1px solid rgba(255,255,255,0.04);
}

.option:hover {
	background: rgba(94,234,212,0.06);
	border-color: rgba(94,234,212,0.12);
}

.option .desc {
	display: block;
	color: var(--muted);
	font-size: 0.9rem;
	margin-top: 6px;
}

/* Loader overlay */
.loader {
	position: fixed;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(6,10,16,0.6);
	color: var(--fg);
	font-size: 1rem;
	z-index: 1200;
}

.loader.hidden {
	display: none;
}

.loader .box {
	background: rgba(11,18,32,0.95);
	padding: 18px 22px;
	border-radius: 10px;
	border: 1px solid rgba(255,255,255,0.04);
}