body.ui-style-12 {
  --primary-color: #667eea;
  --secondary-color: #764ba2;
}

.video-card {
  position: relative;
  overflow: hidden;
}

.video-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}

.video-card:hover::before {
  left: 100%;
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  nav {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: visible;
    justify-content: flex-end;
    margin-left: 10px;
  }

  nav a {
    flex: 1 1 0;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 6px 4px;
    font-size: 12px;
  }
}