/* Layout A */
body.ui-style-15 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  background-attachment: fixed;
}

.container {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  margin-top: 20px;
}

.intro, .page-intro {
  background: #ecf0f1;
  padding: 20px;
  border-radius: 4px;
  margin: 20px 0;
  line-height: 1.8;
}

section {
  margin: 40px 0;
}

h2 {
  color: #2c3e50;
  border-bottom: 2px solid #3498db;
  padding-bottom: 10px;
  margin-bottom: 20px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

.video-card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.video-card h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.video-card .meta {
  color: #7f8c8d;
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.video-card .oneline {
  color: #555;
  font-size: 0.95rem;
}

.more-link {
  text-align: right;
  margin-top: 20px;
}

.more-link a {
  font-size: 1.1rem;
  font-weight: bold;
}

.video-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.video-item {
  display: flex;
  gap: 20px;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  transition: background 0.3s;
}

.video-item:hover {
  background: #f8f9fa;
}

.item-number {
  font-size: 2rem;
  font-weight: bold;
  color: #3498db;
  min-width: 60px;
  text-align: center;
}

.item-content h3 {
  margin-bottom: 10px;
}

.item-content .meta {
  color: #7f8c8d;
  margin-bottom: 10px;
}

.item-content .oneline {
  margin-bottom: 10px;
  color: #555;
}

.item-content .review {
  color: #666;
  font-style: italic;
  background: #f8f9fa;
  padding: 10px;
  border-left: 3px solid #3498db;
}

.video-detail .basic-info ul {
  list-style: none;
  background: #f8f9fa;
  padding: 20px;
  border-radius: 4px;
}

.video-detail .basic-info li {
  margin: 10px 0;
}

.video-detail section {
  margin: 30px 0;
}

.video-detail .summary p,
.video-detail .review p {
  line-height: 1.8;
  text-align: justify;
}

@media (max-width: 767px) {
  .video-grid {
    grid-template-columns: 1fr;
  }

  .video-item {
    flex-direction: column;
  }

  .item-number {
    min-width: auto;
    text-align: left;
  }
}