/* =========================
   NEWS CAROUSEL
========================= */

.carousel-news {
  position: relative;
  width: 100%;
  overflow: hidden;
}

/* Wrapper chứa danh sách */
.carousel-news .list-news {
  display: flex;
  flex-wrap: nowrap;
  margin: 0;
  padding: 0;
  list-style: none;

  transform: translate3d(0, 0, 0);
  transition: transform 0.6s cubic-bezier(.22, 1, .36, 1);

  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Item */
.carousel-news .item-news {
  flex-shrink: 0;
  min-width: 0;
}

/* Card */
.carousel-news .item-news .card {
  width: 100%;
  height: 100%;
  overflow: hidden;
  border: 0;
  border-radius: 0.75rem;

  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

/* Hover card */
.carousel-news .item-news .card:hover {
  transform: translateY(-4px);
  box-shadow: 0 0.75rem 1.5rem rgba(0, 0, 0, 0.12) !important;
}

/* Link */
.carousel-news .item-news .card a {
  display: block;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

/* Image */
.carousel-news .item-news .card-img-top {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;

  transition: transform 0.4s ease;
}

/* Image zoom nhẹ */
.carousel-news .item-news .card:hover .card-img-top {
  transform: scale(1.03);
}

/* Card body */
.carousel-news .item-news .card-body {
  padding: 1rem;
}

/* Title */
.carousel-news .item-news .card-title {
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.35;
}

/* Text */
.carousel-news .item-news .card-text {
  margin-bottom: 0;
  color: #6c757d;
  font-size: 0.95rem;
  line-height: 1.5;
}


/* =========================
   NAVIGATION BUTTONS
========================= */

.carousel-news .btn-prev,
.carousel-news .btn-next {
  position: absolute;
  top: 50%;
  z-index: 20;

  display: flex;
  align-items: center;
  justify-content: center;

  width: 44px;
  height: 44px;

  padding: 0;
  border: 0;
  border-radius: 50%;

  background-color: rgba(255, 255, 255, 0.95);
  color: #1c2554;

  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);

  cursor: pointer;

  transform: translateY(-50%);

  transition:
    background-color 0.25s ease,
    color 0.25s ease,
    opacity 0.25s ease,
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

/* Prev */
.carousel-news .btn-prev {
  left: 12px;
}

/* Next */
.carousel-news .btn-next {
  right: 12px;
}

/* Hover */
.carousel-news .btn-prev:hover,
.carousel-news .btn-next:hover {
  background-color: #1c2554;
  color: #fff;

  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);

  transform:
    translateY(-50%)
    scale(1.06);
}

/* Active click */
.carousel-news .btn-prev:active,
.carousel-news .btn-next:active {
  transform:
    translateY(-50%)
    scale(0.96);
}

/* Disabled */
.carousel-news .btn-prev:disabled,
.carousel-news .btn-next:disabled,
.carousel-news .btn-prev.disabled,
.carousel-news .btn-next.disabled {
  opacity: 0.3;
  cursor: default;
  pointer-events: none;
}

/* Icon */
.carousel-news .btn-prev i,
.carousel-news .btn-next i {
  font-size: 1rem;
  line-height: 1;
}


/* =========================
   OPTIONAL SLIDING STATE
========================= */

.carousel-news .list-news.is-sliding {
  pointer-events: none;
}


/* =========================
   BOOTSTRAP GRID SUPPORT
========================= */

/*
  HTML hiện tại:

  .item-news
  col-6
  col-md-4
  col-lg-3

  Bootstrap sẽ tự cho:

  mobile     = 2 item
  tablet     = 3 item
  desktop    = 4 item

  Không cần ép width riêng.
*/


/* =========================
   RESPONSIVE
========================= */

@media (max-width: 991.98px) {

  .carousel-news .btn-prev,
  .carousel-news .btn-next {
    width: 40px;
    height: 40px;
  }

  .carousel-news .btn-prev {
    left: 8px;
  }

  .carousel-news .btn-next {
    right: 8px;
  }

  .carousel-news .item-news .card-title {
    font-size: 1rem;
  }

  .carousel-news .item-news .card-text {
    font-size: 0.9rem;
  }

}


@media (max-width: 767.98px) {

  .carousel-news .item-news .card-body {
    padding: 0.85rem;
  }

  .carousel-news .item-news .card-title {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
  }

  .carousel-news .item-news .card-text {
    font-size: 0.85rem;
    line-height: 1.4;
  }

}


@media (max-width: 575.98px) {

  .carousel-news .btn-prev,
  .carousel-news .btn-next {
    width: 36px;
    height: 36px;
  }

  .carousel-news .btn-prev {
    left: 5px;
  }

  .carousel-news .btn-next {
    right: 5px;
  }

  .carousel-news .btn-prev i,
  .carousel-news .btn-next i {
    font-size: 0.85rem;
  }

  .carousel-news .item-news .card {
    border-radius: 0.6rem;
  }

  .carousel-news .item-news .card-body {
    padding: 0.75rem;
  }

  .carousel-news .item-news .card-title {
    font-size: 0.9rem;
  }

  .carousel-news .item-news .card-text {
    font-size: 0.8rem;
  }

}


/* =========================
   ACCESSIBILITY
========================= */

@media (prefers-reduced-motion: reduce) {

  .carousel-news .list-news,
  .carousel-news .item-news .card,
  .carousel-news .item-news .card-img-top,
  .carousel-news .btn-prev,
  .carousel-news .btn-next {
    transition: none !important;
  }

}