body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f9f9f9;
  color: #333;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 30px;
  background: #1da372;
  color: white;
}
header .logo {
  font-size: 20px;
  font-weight: bold;
}
header nav a {
  color: white;
  text-decoration: none;
  margin-left: 20px;
}
header nav a.active {
  font-weight: bold;
  border-bottom: 2px solid white;
}

/* Layout */
.container {
  display: flex;
  height: calc(100vh - 60px);
}

/* Sidebar */
.sidebar {
  width: 250px;
  background: #ffffff;
  border-right: 1px solid #ddd;
  padding: 20px;
}
.sidebar h2 {
  font-size: 18px;
  margin-bottom: 10px;
}
.sidebar ul {
  list-style: none;
  padding: 0;
}
.sidebar ul li {
  margin: 10px 0;
}
.sidebar ul li a {
  text-decoration: none;
  color: #1da372;
  font-weight: 500;
}
.sidebar ul li a:hover {
  text-decoration: underline;
}

/* Content */
.content {
  flex: 1;
  padding: 20px;
}
.content iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: white;
}

/* Tutorial Page Styles */
article {
  padding: 20px;
  line-height: 1.6;
}

article h1, article h2 {
  color: #1da372; /* your theme color */
}

/* Images */
article img {
  max-width: 100%;
  border-radius: 8px;
  margin: 15px 0;
  display: block;
}

/* Code Blocks */
pre {
  background: #1e1e1e;   /* dark background */
  color: #f5f5f5;        /* light text */
  padding: 10px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 10px 0;
}

code {
  font-family: monospace;
}

/* Navigation Links at bottom */
.nav-links {
  margin-top: 30px;
  display: flex;
  justify-content: flex-end;
}

.nav-links a {
  text-decoration: none;
  color: #1da372;
  font-weight: bold;
}