@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
	--bg0: #070a12;
	--bg1: #0b1223;
	--card: rgba(255, 255, 255, 0.06);
	--card-2: rgba(255, 255, 255, 0.085);
	--border: rgba(255, 255, 255, 0.12);
	--text: rgba(255, 255, 255, 0.92);
	--muted: rgba(255, 255, 255, 0.72);
	--shadow: 0 18px 70px rgba(0, 0, 0, 0.45);
	--radius: 18px;

	--accent: #7c3aed;
	--accent-2: #22d3ee;
	--accent-3: #fb7185;
}

* {
	box-sizing: border-box;
}

html,
body {
	height: 100%;
}

body {
	margin: 0;
	font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
			"Segoe UI Emoji";
	color: var(--text);
	background:
		radial-gradient(900px 450px at 20% 10%, rgba(124, 58, 237, 0.35), transparent 60%),
		radial-gradient(800px 420px at 90% 0%, rgba(34, 211, 238, 0.22), transparent 55%),
		radial-gradient(900px 450px at 40% 110%, rgba(251, 113, 133, 0.20), transparent 55%),
		linear-gradient(180deg, var(--bg0), var(--bg1));
	background-attachment: fixed;
}

a {
	color: inherit;
	text-decoration: none;
}

.page {
	width: min(1200px, 100%);
	margin: 0 auto;
	padding: 28px 16px 64px;
	display: flex;
	flex-direction: column;
	gap: 22px;
}

.header {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: 16px;
	padding: 6px 2px;
}

.brand {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.kicker {
	font-size: 12px;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.65);
}

.brand h1 {
	margin: 0;
	font-size: clamp(30px, 3.8vw, 48px);
	letter-spacing: -0.03em;
	line-height: 1.05;
	background: linear-gradient(92deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.65));
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

.sub {
	margin: 0;
	color: var(--muted);
	font-size: 14px;
	line-height: 1.45;
}

.header-actions {
	display: flex;
	gap: 10px;
	align-items: center;
}

.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 10px 14px;
	border-radius: 999px;
	border: 1px solid rgba(255, 255, 255, 0.14);
	background: linear-gradient(135deg, rgba(124, 58, 237, 0.95), rgba(34, 211, 238, 0.70));
	color: rgba(255, 255, 255, 0.95);
	font-weight: 600;
	font-size: 14px;
	box-shadow: 0 10px 30px rgba(124, 58, 237, 0.25);
	transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease;
}

.button:hover {
	transform: translateY(-1px);
	filter: brightness(1.03);
	box-shadow: 0 14px 40px rgba(124, 58, 237, 0.30);
}

.button:active {
	transform: translateY(0);
}

.button-ghost {
	background: rgba(255, 255, 255, 0.06);
	border-color: rgba(255, 255, 255, 0.14);
	box-shadow: none;
}

.button-ghost:hover {
	box-shadow: 0 12px 34px rgba(0, 0, 0, 0.35);
}

.banner-centered {
	display: flex;
	justify-content: center;
}

.banner {
	width: min(760px, 100%);
	display: block;
	border-radius: var(--radius);
	overflow: hidden;
	border: 1px solid var(--border);
	background: rgba(255, 255, 255, 0.04);
	box-shadow: var(--shadow);
	transition: transform 160ms ease, box-shadow 160ms ease;
}

.banner:hover {
	transform: translateY(-1px);
	box-shadow: 0 22px 80px rgba(0, 0, 0, 0.52);
}

#adBanner {
	width: 100%;
	height: auto;
	display: block;
}

.main {
	display: grid;
	grid-template-columns: 1fr 360px;
	gap: 22px;
	align-items: start;
}

@media (max-width: 980px) {
	.main {
		grid-template-columns: 1fr;
	}
}

.game-card,
.rules-card {
	border-radius: var(--radius);
	border: 1px solid var(--border);
	background: linear-gradient(180deg, var(--card-2), var(--card));
	box-shadow: var(--shadow);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
}

.game-card {
	padding: 14px;
}

canvas#ypGameCanvas {
	width: 100%;
	max-width: 1000px;
	height: auto;
	display: block;
	margin: 0 auto;
	border-radius: calc(var(--radius) - 6px);
	background:
		radial-gradient(900px 360px at 45% 20%, rgba(124, 58, 237, 0.10), transparent 55%),
		linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
	border: 1px solid rgba(255, 255, 255, 0.10);
	box-shadow:
		inset 0 1px 0 rgba(255, 255, 255, 0.08),
		0 14px 60px rgba(0, 0, 0, 0.35);
}

.game-hint {
	margin-top: 12px;
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	justify-content: center;
}

.chip {
	font-size: 12px;
	color: rgba(255, 255, 255, 0.76);
	border: 1px solid rgba(255, 255, 255, 0.12);
	background: rgba(0, 0, 0, 0.18);
	padding: 6px 10px;
	border-radius: 999px;
}

.rules-card {
	padding: 18px 18px 16px;
}

.rules-card h2 {
	margin: 0 0 12px;
	font-size: 18px;
	letter-spacing: -0.01em;
}

.rules {
	margin: 0;
	padding-left: 18px;
	color: var(--muted);
	line-height: 1.55;
}

.rules li {
	margin: 10px 0;
}

.rules strong {
	color: var(--text);
	font-weight: 600;
}

.rules-actions {
	margin-top: 16px;
	display: flex;
	gap: 10px;
}

@media (prefers-reduced-motion: no-preference) {
	.page {
		animation: fadeIn 420ms ease both;
	}

	@keyframes fadeIn {
		from {
			opacity: 0;
			transform: translateY(10px);
		}
		to {
			opacity: 1;
			transform: translateY(0);
		}
	}
}