.youtube-playlist-vertical {
  font-family: 'Segoe UI', sans-serif;
  background-color: #fff;
  color: #000;
  padding: 2rem 1rem;
  text-align: center;
}

.youtube-playlist-vertical h2 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.youtube-playlist-vertical p {
  font-size: 1rem;
  max-width: 700px;
  margin: 0 auto 2rem auto;
  line-height: 1.6;
  text-align: justify;
}

.playlist-wrapper {
  max-width: 800px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.playlist-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.btn-volver {
  display: inline-block;
  background-color: #f1c40f;
  color: #000;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 500;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  transition: background-color 0.3s ease;
  margin-bottom: 1.5rem;
}

.btn-volver:hover {
  background-color: #e0b90d;
}