/* Global Styles */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Home Page */
.hero {
  text-align: center;
  padding: 3rem 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border-radius: 8px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.hero .intro {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  line-height: 1.8;
}

.hero .tags {
  font-size: 0.9rem;
  opacity: 0.9;
}

section {
  margin-bottom: 3rem;
}

section h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #3498db;
}

/* Video Grid */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.video-card {
  background: #fff;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.video-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.video-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.video-card h3 a {
  color: #2c3e50;
}

.video-card h3 a:hover {
  color: #3498db;
}

.video-card .meta {
  font-size: 0.85rem;
  color: #7f8c8d;
  margin-bottom: 0.5rem;
}

.video-card .desc {
  font-size: 0.9rem;
  color: #555;
  line-height: 1.6;
}

/* Link Grid */
.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.link-card {
  display: block;
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  text-align: center;
  transition: all 0.3s;
}

.link-card:hover {
  background: #3498db;
  color: #fff;
  transform: translateY(-2px);
}

.link-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.link-card p {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Video List */
.video-list {
  background: #fff;
  border-radius: 8px;
  padding: 1rem;
}

.list-item {
  padding: 1rem;
  border-bottom: 1px solid #ecf0f1;
}

.list-item:last-child {
  border-bottom: none;
}

.list-item a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #2c3e50;
}

.list-item a:hover .title {
  color: #3498db;
}

.list-item .title {
  font-size: 1rem;
  font-weight: 500;
}

.list-item .year {
  font-size: 0.85rem;
  color: #7f8c8d;
}

/* List Pages */
.list-page {
  background: #fff;
  min-height: 80vh;
}

.list-page h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #2c3e50;
}

.page-intro {
  font-size: 1rem;
  color: #555;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.video-list-detailed {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.list-item-detailed {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: #f8f9fa;
  border-radius: 8px;
  border-left: 4px solid #3498db;
}

.list-item-detailed .rank {
  font-size: 1.5rem;
  font-weight: bold;
  color: #e74c3c;
  min-width: 40px;
}

.list-item-detailed .badge {
  background: #e74c3c;
  color: #fff;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: bold;
  align-self: flex-start;
}

.list-item-detailed .item-content {
  flex: 1;
}

.list-item-detailed h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.list-item-detailed h3 a {
  color: #2c3e50;
}

.list-item-detailed h3 a:hover {
  color: #3498db;
}

.list-item-detailed .meta {
  font-size: 0.85rem;
  color: #7f8c8d;
  margin-bottom: 0.5rem;
}

.list-item-detailed .one-line {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.list-item-detailed .tags {
  font-size: 0.8rem;
  color: #95a5a6;
}

/* Detail Page */
.video-detail {
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
}

.video-detail h1 {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: #2c3e50;
  border-bottom: 3px solid #3498db;
  padding-bottom: 1rem;
}

.video-detail section {
  margin-bottom: 2rem;
}

.video-detail section h2 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: #34495e;
  border-bottom: 2px solid #ecf0f1;
  padding-bottom: 0.5rem;
}

.basic-info dl {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 0.5rem 1rem;
}

.basic-info dt {
  font-weight: bold;
  color: #555;
}

.basic-info dd {
  color: #333;
}

.highlight p, .summary p, .review p {
  font-size: 1rem;
  line-height: 1.8;
  color: #333;
}

.related-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.related-item {
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 8px;
  border-left: 3px solid #3498db;
}

.related-item h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.related-item h3 a {
  color: #2c3e50;
}

.related-item h3 a:hover {
  color: #3498db;
}

.related-item p {
  font-size: 0.85rem;
  color: #555;
  line-height: 1.6;
}

/* UI Styles */
.ui-style-0 { --primary: #3498db; --secondary: #ecf0f1; }
.ui-style-1 { --primary: #2c3e50; --secondary: #34495e; }
.ui-style-2 { --primary: #8e44ad; --secondary: #f39c12; }
.ui-style-3 { --primary: #1abc9c; --secondary: #16a085; }
.ui-style-4 { --primary: #34495e; --secondary: #2c3e50; }
.ui-style-5 { --primary: #f39c12; --secondary: #e67e22; }
.ui-style-6 { --primary: #95a5a6; --secondary: #7f8c8d; }
.ui-style-7 { --primary: #27ae60; --secondary: #2ecc71; }
.ui-style-8 { --primary: #e74c3c; --secondary: #c0392b; }
.ui-style-9 { --primary: #16a085; --secondary: #1abc9c; }
.ui-style-10 { --primary: #7f8c8d; --secondary: #95a5a6; }
.ui-style-11 { --primary: #9b59b6; --secondary: #8e44ad; }
.ui-style-12 { --primary: #2c3e50; --secondary: #ecf0f1; }
.ui-style-13 { --primary: #d35400; --secondary: #e67e22; }
.ui-style-14 { --primary: #27ae60; --secondary: #229954; }
.ui-style-15 { --primary: #2980b9; --secondary: #3498db; }

/* Responsive */
@media (max-width: 768px) {
  .container { padding: 1rem; }
  .hero h1 { font-size: 1.5rem; }
  .hero .intro { font-size: 0.95rem; }
  .video-grid { grid-template-columns: 1fr; }
  .link-grid { grid-template-columns: 1fr; }
  .basic-info dl { grid-template-columns: 80px 1fr; }
  .related-list { grid-template-columns: 1fr; }
}