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

/* Top bar */
.topbar {
  background: #ffffff;
  border-bottom: 1px solid #ddd;
  padding: 15px 30px;
  position: sticky;
  top: 0;
}

/* Layout */
.container {
  display: flex;
}

/* Sidebar */
.sidebar {
  width: 250px;
  border-right: 1px solid #eee;
  height: 100vh;
  position: sticky;
  top: 60px;
  padding: 20px;
}

.sidebar ul {
  list-style: none;
  padding: 0;
}

.sidebar a {
  text-decoration: none;
  color: #5f6368;
  display: block;
  padding: 10px;
  border-radius: 6px;
}

.sidebar a:hover {
  background: #f1f3f4;
  color: #1a73e8;
}

/* Content */
.content {
  flex: 1;
  padding: 40px;
  max-width: 800px;
}

section {
  margin-bottom: 40px;
}

h2 {
  color: #202124;
}

p {
  color: #5f6368;
  line-height: 1.6;
}