.sidebar {
  background: black;
  width: 220px;
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex-shrink: 0;
}

.sidebar h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #facc15;
}

.nav-link {
  color: white;
  text-decoration: none;
  font-weight: bold;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  transition: background 0.3s;
  display: block;
}

.nav-link:hover {
  background: #333;
}