body {
  background-color: #0d0d0d;
  color: #fff;
  font-family: 'Inter', sans-serif;
  margin: 0;
  padding: 2rem;
  line-height: 1.6;
  scroll-behavior: smooth;
}

.container {
  display: flex;
  flex-direction: row;
  gap: 2rem;
  max-width: 1200px;
  margin: auto;
}

.sidebar {
  flex: 1;
  position: sticky;
  top: 2rem;
  display: none;
  padding: 1rem;
  border-radius: 1rem;
  background-color: #1a1a1a;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.05);
  height: fit-content;
  transition: all 0.3s ease-in-out;
}
@media (min-width: 768px) {
  .sidebar {
    display: block;
  }
}

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

.sidebar li {
  margin-bottom: 1rem;
}

.sidebar a {
  color: #aaa;
  text-decoration: none;
  padding: 0.5rem 1rem;
  display: block;
  border-radius: 0.5rem;
  transition: background-color 0.2s, color 0.2s;
}

.sidebar a:hover,
.sidebar a.active {
  background-color: #3b82f6;
  color: #fff;
}

.content {
  flex: 3;
  padding: 2rem;
  background-color: #1a1a1a;
  border-radius: 1rem;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease-in-out;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: bold;
}

h2 {
  font-size: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

p, li {
  color: #ccc;
  font-size: 1rem;
}

ul {
  padding-left: 1.5rem;
}

footer {
  margin-top: 4rem;
  padding-top: 1rem;
  border-top: 1px solid #444;
  color: #888;
  font-size: 0.875rem;
  text-align: center;
}