.product-option-radio {
  position: relative;
  float: left;
  min-height: 30px;
  margin-right: 10px;
  margin-bottom: 10px;
}

.product-option-radio :hover {
  cursor: pointer;
}

.tick_icon {
  position: absolute;
  bottom: -2px;
  right: -9px;
  display: none;
}

.tick_icon.active {
  display: block;
}

.arrow-down {
  position: relative;
}

.arrow-down {
  width: 0;
  height: 0;
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
  border-top: 15px solid #2962ff;
  transform: rotate(-45deg);
}

.product-option-radio label {
  position: relative;
  margin: 0;
}

.product-option-radio label:before,
.product-option-radio label:after {
  content: "";
  position: absolute;
  width: 5px;
  height: 2px;
  background: #ffffff;
  bottom: 3px;
  z-index: 9;
}

.product-option-radio label:before {
  right: 6px;
  transform: rotate(45deg);
}

.product-option-radio label:after {
  width: 10px;
  bottom: 5px;
  right: 0;
  transform: rotate(130deg);
}

.product-variation__tick {
  width: 0.9375rem;
  height: 0.9375rem;
  position: absolute;
  overflow: hidden;
  right: 0;
  bottom: 0;
}

.product-variation__tick:before {
  border: 0.9375rem solid transparent;
  border-bottom: 0.9375rem solid #2962ff;
  content: "";
  position: absolute;
  right: -0.9375rem;
  bottom: 0;
}

.product-variation__tick > .icon-tick-bold {
  position: absolute;
  right: 0;
  bottom: 0;
  color: #fff;
  font-size: 8px;
}

.product-option {
  width: 100%;
  height: auto;
  margin-bottom: 10px;
  overflow: hidden;
}

.product-option-name {
  line-height: 1.425 !important;
}

.product-option-name label {
  font-size: 16px;
  font-weight: 600;
}

.product-option-radio label {
  height: auto;
  margin: 0px !important;
}

.product-option-radio label > input[type="radio"] + * {
  border: 1px solid #e5e5e5;
  height: auto;
}

/* pretty radio */
.product-option-radio label > input[type="radio"] {
  display: none;
}

.product-option-radio label > input[type="radio"]:checked + * {
  color: #2962ff;
  font-weight: bold;
  border: 1px solid #2962ff;
}

.product-option-radio label span {
  padding: 5px 15px;
  margin-right: 0;
  border: 1px solid;
  display: block;
}

.product-option-radio label > input[type="radio"]:checked + *::before {
  background: radial-gradient(teal 0%, teal 40%, transparent 50%, transparent);
  border-color: teal;
}

/* css list product option */
.list-product__option--radio {
  position: relative;
  float: left;
  min-height: 5px;
  margin-right: 5px;
  margin-bottom: 5px;
}

.list-product__option--radio label span {
  padding: 5px 10px !important;
  margin-right: 0;
  border: 1px solid;
  display: block;
}

.product-option-list {
  overflow: hidden;
  display: none;
}
/* end */

/* demo product list option theme lotus */
.item-area {
  height: 511px;
}
.zw-wrapper-options {
  position: relative;
  z-index: 999;
  background: #fff;
}
.zw-wrapper-options .product-option-list {
  margin-top: 5px;
}

.add-to-box > .text-danger {
  margin-bottom: 5px;
}

/* end demo theme lotus */

/* product option color */
.product-option {
  padding: 5px 0;
}
.product-option-radio label > input[type="radio"] {
  display: none;
}
.product-option-mau-sac .tick_icon {
  display: none;
}
.product-option-mau-sac
  .product-option-radio
  label
  > input[type="radio"]:checked
  + *,
.product-option-mau
  .product-option-radio
  label
  > input[type="radio"]:checked
  + *,
.product-option-color
  .product-option-radio
  label
  > input[type="radio"]:checked
  + * {
  box-shadow:
    0 0 0 3px #ffffff,
    0 0 0 4px #d4d4d4;
}
.product-option-mau-sac .product-option-radio span,
.product-option-mau .product-option-radio span,
.product-option-color .product-option-radio span {
  width: 26px;
  height: 26px;
  line-height: 26px;
  border-radius: 50%;
  padding: 0px;
  font-size: 0px;
}
.product-option-mau-sac .product-option-radio span img {
  display: block;
  border-radius: 50%;
}
.product-option-value-xanh-lam span,
.product-option-value-xanh-da-troi span,
.product-option-value-blue span {
  background: #0d6efd;
}
.product-option-value-tim span,
.product-option-value-tim purple {
  background: #6f42c1;
}
.product-option-value-hong span,
.product-option-value-pink span {
  background: #d63384;
}
.product-option-value-do span,
.product-option-value-red span {
  background: #dc3545;
}
.product-option-value-cam span,
.product-option-value-da-cam span,
.product-option-value-orange span {
  background: #fd7e14;
}
.product-option-value-vang span,
.product-option-value-yellow span {
  background: #ffc107;
}
.product-option-value-xanh-la span,
.product-option-value-xanh-la-cay span,
.product-option-value-green span {
  background: #198754;
}
.product-option-value-xam span,
.product-option-value-gray span {
  background: #808080;
}
.product-option-value-luc-lam span,
.product-option-value-cyan span {
  background: #00ffff;
}
.product-option-value-den span,
.product-option-value-black span {
  background: #000;
}
.product-option-value-bac span,
.product-option-value-silver span {
  background: #c0c0c0;
}
.product-option-value-trang span,
.product-option-value-white span {
  background: #ffffff;
}
.out-of {
  position: relative;
  border: 1px solid #cfcfcf !important;
  color: #cfcfcf !important;
  overflow: hidden;
  cursor: no-drop !important;
}
.out-of:before,
.out-of:after {
  content: "";
  position: absolute;
  top: -10px;
  left: 18px;
  background: #7e7e7e !important;
  width: 1px;
  height: 50px;
  transform: rotate(130deg);
  z-index: 9;
}
.out-of:after {
  transform: rotate(-130deg);
}
.product-option-mau-sac .out-of:before,
.product-option-mau-sac .out-of:after {
  top: -8px;
  left: 11px;
  width: 2px;
  height: 40px;
  background: #fff !important;
}
.product-option-value-trang .out-of:before,
.product-option-value-trang .out-of:after,
.product-option-value-white .out-of:before,
.product-option-value-white .out-of:after,
.product-option-value-vang .out-of:before,
.product-option-value-vang .out-of:after,
.product-option-value-yellow .out-of:before,
.product-option-value-yellow .out-of:after,
.product-option-value-cam .out-of:before,
.product-option-value-cam .out-of:after,
.product-option-value-orange .out-of:before,
.product-option-value-orange .out-of:after,
.product-option-value-luc-lam .out-of:before,
.product-option-value-luc-lam .out-of:after,
.product-option-value-cyan .out-of:before,
.product-option-value-cyan .out-of:after {
  background: #7e7e7e !important;
}
.product-option-mau-sac label:before,
.product-option-mau-sac label:after {
  display: none;
}

.custom-btn-numbers {
  display: inline-flex;
  align-items: center;
  background: #f3f4f4;
  border-radius: 8px;
  padding: 2px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.02) inset;
  height: 44px;
}

.custom-btn-numbers .qty-btn {
  -webkit-appearance: none;
  appearance: none;
  border: 0;
  background: transparent;
  width: 44px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #111;
  cursor: pointer;
  border-radius: 6px;
  margin: 0 0 0 0;
  padding: 0;
}

.custom-btn-numbers .qty-btn {
  background: #f7f7f7;
}

.custom-btn-numbers .qty {
  width: 54px;
  height: 40px;
  border: 0;
  background: #ffffff;
  text-align: center;
  font-weight: 700;
  font-size: 18px;
  line-height: 40px;
  margin: 0 6px;
  border-radius: 4px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.02) inset;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.custom-btn-numbers .qty:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.04) inset;
}

.custom-btn-numbers .qty-btn:hover {
  transform: translateY(-1px);
}

@media (max-width: 480px) {
  .custom-btn-numbers {
    height: 40px;
  }
  .custom-btn-numbers .qty-btn {
    width: 40px;
    height: 36px;
    font-size: 18px;
  }
  .custom-btn-numbers .qty {
    width: 46px;
    height: 36px;
    font-size: 16px;
    line-height: 36px;
  }
}

/* container */
.description-content {
  max-width: 100%;
}

/* phần mô tả: chuyển tiếp max-height để animation */
.description-productdetail {
  overflow: hidden;
  transition:
    max-height 320ms ease,
    opacity 200ms ease;
  position: relative;
  line-height: 1.6; /* chỉnh theo font của bạn */
  max-height: 10000px; /* khi expanded */
  opacity: 1;
}

/* collapsed state: giới hạn số dòng bằng max-height (số_dòng * line-height) */
.description-productdetail.collapsed {
  max-height: 4.8em; /* ví dụ 3 dòng * 1.6 line-height = 4.8em */
}

/* hiệu ứng gradient fade ở cuối khi collapsed */
.description-productdetail.collapsed::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2.2em;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0),
    rgba(255, 255, 255, 1)
  );
  /* nếu background trang không trắng, đổi rgba(255,255,255,1) tương ứng */
}

/* nút xem thêm - kiểu giống hình */
.expandable-content_toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1rem;
  padding: 0.7rem 1rem;
  border: 1px solid #23345a; /* đổi màu theo design */
  background: transparent;
  color: #23345a;
  cursor: pointer;
  font-weight: 600;
  border-radius: 4px;
}

/* icon nhỏ */
.expandable-content_toggle-icon {
  display: inline-block;
  width: 1.1rem;
  height: 1.1rem;
  text-align: center;
  font-weight: 700;
}

/* text khi collapsed/expanded bạn có thể style khác */

.product-full-img.box__product-gallery.scroll {
  width: 100%;
}

.product-full-img.box__product-gallery.scroll .product-image-feature {
  width: 100%;
  height: auto;
  display: block;
}