body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  font-family: sans-serif;
  background: black;
  touch-action: pan-y;
}
#video-container {
  position: absolute;
  top: 0;
  bottom: 60px;
  left: 0;
  right: 0;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  -webkit-overflow-scrolling: touch;
}
.video-slide {
  width: 100%;
  height: 100vh;
  scroll-snap-align: start;
  display: flex;
  justify-content: center;
  align-items: center;
  background: black;
}
.video-slide video {
  max-height: 100vh;
  max-width: 100%;
}
#category-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: rgba(0,0,0,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.category-item {
  color: white;
  padding: 0 20px;
  scroll-snap-align: center;
  opacity: 0.5;
  transition: opacity 0.3s ease;
  white-space: nowrap;
  font-weight: bold;
  font-size: 1.2em;
}
.category-item.active {
  opacity: 1;
}