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

.layout {
  display: flex;
  height: 100vh;
}

.sidebar {
  width: 220px;
  background: #1f2933;
  color: #fff;
  padding: 1rem;
}

.sidebar h2 {
  margin-top: 0;
}

.sidebar a {
  color: #cbd5e1;
  text-decoration: none;
}

.sidebar a:hover {
  color: #fff;
}

main {
  flex: 1;
  padding: 2rem;
  background: #f8fafc;
}