:root {
	--primary-color: #9e9e9e;
	--secondary-color: #616161;
	--background-color: #ffffff;
	--text-color: #333333;
	--sidebar-color: #f5f5f5;
	--card-color: #ffffff;
	--border-color: #e0e0e0;
	--hover-color: #eeeeee;
	--shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
	--sidebar-width: 280px;
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	font-family: 'Poppins', sans-serif;
	line-height: 1.6;
	color: var(--text-color);
	background-color: var(--background-color);
	display: grid;
	grid-template-columns: var(--sidebar-width) 1fr;
	grid-template-rows: auto 1fr;
	min-height: 100vh;
}

header {
	grid-column: 1 / -1;
	background-color: var(--card-color);
	color: var(--secondary-color);
	padding: 1rem 2rem;
	display: flex;
	align-items: center;
	justify-content: space-between;
	box-shadow: var(--shadow);
	position: sticky;
	top: 0;
	z-index: 1000;
}

.logo {
	display: flex;
	align-items: center;
}

.logo img {
	width: 60px;
	margin-right: 15px;
}

nav {
	background-color: var(--sidebar-color);
	padding: 2rem;
	height: calc(100vh - 60px);
	overflow-y: auto;
	position: sticky;
	top: 60px;
	border-right: 1px solid var(--border-color);
}

nav ul {
	list-style-type: none;
}

nav ul li {
	margin-bottom: 1rem;
}

nav ul li a {
	color: var(--text-color);
	text-decoration: none;
	font-size: 1rem;
	transition: all 0.3s ease;
	display: block;
	padding: 0.5rem 1rem;
	border-radius: 5px;
}

nav ul li a:hover,
nav ul li a.active {
	background-color: var(--hover-color);
	color: var(--secondary-color);
}

main {
	padding: 2rem;
	overflow-y: auto;
}

h1,
h2,
h3 {
	color: var(--secondary-color);
	margin-bottom: 1rem;
}

.section {
	background-color: var(--card-color);
	border-radius: 8px;
	box-shadow: var(--shadow);
	padding: 2rem;
	margin-bottom: 2rem;
	transition: transform 0.3s ease;
	border: 1px solid var(--border-color);
}

.section:hover {
	transform: translateY(-5px);
}

.video-container {
	position: relative;
	padding-bottom: 56.25%;
	height: 0;
	overflow: hidden;
	margin-bottom: 2rem;
	border-radius: 8px;
}

.video-container iframe {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	border-radius: 8px;
}

.screenshot {
	max-width: 45%;
	height: auto;
	border-radius: 8px;
	box-shadow: var(--shadow);
	margin: 1rem;
	transition: transform 0.3s ease;
	object-fit: cover;
}

.image-container {
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
}

@media (max-width: 768px) {
	.screenshot {
		max-width: 100%;
	}
}

.screenshot:hover {
	transform: scale(1.02);
}

.step {
	margin-bottom: 2rem;
	padding-bottom: 2rem;
	border-bottom: 1px solid var(--border-color);
}

.step:last-child {
	border-bottom: none;
}

.button {
	display: inline-block;
	background-color: var(--primary-color);
	color: white;
	padding: 0.7rem 1.5rem;
	text-decoration: none;
	border-radius: 5px;
	transition: all 0.3s ease;
	font-weight: 600;
}

.button:hover {
	background-color: var(--secondary-color);
	transform: translateY(-2px);
	box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

pre {
	background-color: var(--sidebar-color);
	border: 1px solid var(--border-color);
	border-left: 3px solid var(--primary-color);
	color: var(--text-color);
	page-break-inside: avoid;
	font-family: monospace;
	font-size: 15px;
	line-height: 1.6;
	margin-bottom: 1.6em;
	max-width: 100%;
	overflow: auto;
	padding: 1em 1.5em;
	display: block;
	word-wrap: break-word;
}

@media (max-width: 768px) {
	body {
		grid-template-columns: 1fr;
	}

	nav {
		display: none;
	}

	main {
		padding: 1rem;
	}
}