/* Chuẩn 16:9 cho toàn theme */
.aspect-video {
  aspect-ratio: 16 / 9;
}

/* Thumb nhỏ 16:9 có width cố định */
.thumb-sm {
  width: 96px;
  aspect-ratio: 16 / 9;
  flex-shrink: 0;
  overflow: hidden;
}

.thumb-md {
  width: 112px;
  aspect-ratio: 16 / 9;
  flex-shrink: 0;
  overflow: hidden;
}

.thumb-lg {
  width: 128px;
  aspect-ratio: 16 / 9;
  flex-shrink: 0;
  overflow: hidden;
}

.thumb-sm img,
.thumb-md img,
.thumb-lg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}