body {
  margin: 0;
  font-family: sans-serif;
  background: #111;
  color: #fff;
}

header {
  padding: 1rem;
  background: #222;
  text-align: center;
}

a {
  color: #61dafb;
  text-decoration: none;
}

main {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

#series-list a {
  display: block;
  background: #333;
  padding: 1rem;
  border-radius: 8px;
}

img {
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  display: block;
}

@media (min-width: 768px) {
  #series-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
  }
}

#series-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1rem;
}

.series-card {
  background: #222;
  border-radius: 8px;
  overflow: hidden;
  text-align: center;
  transition: transform 0.2s;
}

.series-card:hover {
  transform: scale(1.05);
}

.series-card img {
  width: 100%;
  height: auto;
  display: block;
}

.chapter-link {
  display: block;
  background: #333;
  margin: 0.5rem 0;
  padding: 1rem;
  border-radius: 6px;
}