.layout {
  display: flex;
  max-width: 1200px;
  margin: auto;
  gap: 30px;
}

.sidebar {
  flex: 1;
  background: #fff;
  padding: 20px;
  box-shadow: 0 6px 4px rgba(0,0,0,0.05);
}

.sidebar li {
  cursor: pointer;
  padding: 10px;
  margin-bottom: 10px;
  border-radius: 8px;
  transition: background 0.3s ease;
}
.sidebar li:hover,
.sidebar li.active {
  background: #DC143C;
  color: white;
}
li{
  list-style: none;
}

.content {
  flex: 3;
  background: #fff;
  padding: 30px;
}



.bhag {
  display: none;
  margin-bottom: 40px;
}

.bhag.active {
  display: block;
}

.category h3 {
  cursor: pointer;
  background: #f1f1f1;
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 10px;
  transition: background 0.3s ease;
}
.category h3:hover {
  background: #e0e0e0;
}

.video-list {
  list-style: none;
  padding-left: 20px;
  margin-top: 10px;
}

.video-list.hidden {
  display: none;
}
.video-list li {
  margin-bottom: 8px;
}
.video-list a {
  color: #0055a5;
  text-decoration: none;
}
.video-list a:hover {
  text-decoration: underline;
}



@media screen and (max-width: 900px) {
  .layout {
    flex-direction: column;
    gap: 20px;
  }

  .sidebar {
    border-radius: 12px;
    padding: 16px;
  }

  .content {
    border-radius: 12px;
    padding: 20px;
  }

  .sidebar li {
    font-size: 1rem;
    padding: 8px;
  }

  .content h1 {
    font-size: 1.6rem;
  }

  .bhag h2 {
    font-size: 1.4rem;
  }

  .category h3 {
    font-size: 1.1rem;
    padding: 10px;
  }

  .video-list {
    padding-left: 16px;
  }

  .video-list li {
    font-size: 0.95rem;
  }

  .video-list a {
    word-wrap: break-word;
  }
}

@media screen and (max-width: 600px) {
  .sidebar, .content {
    padding: 15px;
  }

  .sidebar li {
    font-size: 0.95rem;
  }

  .category h3 {
    font-size: 1rem;
  }

  .video-list li {
    font-size: 0.9rem;
  }

  .layout {
    padding: 10px;
  }
}