body.ui-style-5 {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.video-card {
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.video-card:hover {
  transform: translateY(-8px) scale(1.02);
}

section {
  animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn {
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.5px;
}

.video-card h3 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

nav {
  position: sticky;
  top: 0;
  z-index: 1000;
}

.video-card .rank {
  box-shadow: 0 2px 8px rgba(245, 87, 108, 0.4);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}