body {
  font-family: Arial, sans-serif;
  margin: 20px;
  background-color: #f9f9f9;
  color: #333;
}

h1 {
  text-align: center;
  margin-bottom: 40px;
}

.season {
  margin-bottom: 30px;
}

.season h2 {
  background-color: #e2e2e2;
  padding: 10px;
  margin: 0;
  cursor: pointer;
  font-size: 1.1em;
}

.episodes {
  display: none;
  list-style-type: none;
  margin: 0;
  padding: 0 0 0 20px;
  background-color: #fff;
  border: 1px solid #ddd;
  border-top: none;
}

.episodes li {
  display: flex;
  align-items: center;
  padding: 5px 10px;
  border-bottom: 1px solid #eee;
}

.watched-checkbox {
  margin-right: 8px;
}

.episodes li a {
  color: #0066cc;
  text-decoration: none;
}

.episodes li a:hover {
  text-decoration: underline;
}