body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  background: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

header {
  background: #333;
  color: #fff;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

section {
  padding: 2rem;
  border-bottom: 1px solid #ccc;
}

h1, h2 {
  margin: 0 0 1rem;
}

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

ul li {
  padding: 0.5rem 0;
}

a {
  color: #0077cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  text-align: center;
  padding: 1rem;
  background: #222;
  color: white;
}

/* 🌙 Dark Mode */
.dark {
  background: #121212;
  color: #f5f5f5;
}

.dark header, .dark footer {
  background: #1f1f1f;
}

.dark a {
  color: #66b2ff;
}