/* IDCA classic cart — same theme suite as AI cart; layout inspired by common cloud shop UIs */
:root {
  --icc-bg: #f5f6f8;
  --icc-card: #ffffff;
  --icc-line: #f0f0f0;
  --icc-border: #e8e8e8;
  --icc-text: #212121;
  --icc-text-2: #595959;
  --icc-text-3: #8c8c8c;
  --icc-accent: var(--idca-primary, #006eff);
  --icc-accent-hover: #0052d9;
  --icc-notice: #d5e7ff;
  --icc-notice-text: #0a3d91;
}

html.idca-cart-lock,
html.idca-cart-lock body,
body.idca-cart-page {
  height: 100% !important;
  overflow: hidden !important;
}

body.idca-cart-classic-page .main-content {
  height: 100vh !important;
  max-height: 100vh !important;
  overflow: hidden !important;
  display: flex !important;
  flex-direction: column !important;
  padding-top: var(--idca-top-h, 52px) !important;
  margin-left: 0 !important;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
  background: #fff !important;
}
/* Hide left sider / footer on classic cart; KEEP system topbar */
body.idca-cart-classic-page .vertical-menu,
body.idca-cart-classic-page .idca-sider,
body.idca-cart-classic-page #idcaSider,
body.idca-cart-classic-page #sidebar-menu,
body.idca-cart-classic-page footer,
body.idca-cart-classic-page .footer,
body.idca-cart-classic-page .idca-footer,
html.idca-classic-chrome .vertical-menu,
html.idca-classic-chrome .idca-sider,
html.idca-classic-chrome #idcaSider,
html.idca-classic-chrome #sidebar-menu,
html.idca-classic-chrome footer,
html.idca-classic-chrome .footer,
html.idca-classic-chrome .idca-footer {
  display: none !important;
  visibility: hidden !important;
  height: 0 !important;
  max-height: 0 !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  overflow: hidden !important;
  pointer-events: none !important;
}
/* Ensure system topbar is visible */
body.idca-cart-classic-page #page-topbar,
body.idca-cart-classic-page .navbar-header,
html.idca-classic-chrome #page-topbar,
html.idca-classic-chrome .navbar-header {
  display: flex !important;
  visibility: visible !important;
  height: var(--idca-top-h, 52px) !important;
  max-height: none !important;
  overflow: visible !important;
  pointer-events: auto !important;
}
html.idca-classic-chrome .main-content,
body.idca-cart-classic-page .main-content {
  border: 0 !important;
  box-shadow: none !important;
}
body.idca-cart-classic-page .page-content {
  flex: 1 1 auto !important;
  min-height: 0 !important;
  overflow: hidden !important;
  display: flex !important;
  flex-direction: column !important;
  padding: 0 !important;
  margin-top: 0 !important;
}
body.idca-cart-classic-page .page-content > .container-fluid:first-of-type,
body.idca-cart-classic-page .page-title-box {
  display: none !important;
}
body.idca-cart-classic-page .page-content > .container-fluid,
body.idca-cart-classic-page .page-content > .container-fluid:last-of-type {
  flex: 1 1 auto !important;
  min-height: 0 !important;
  max-width: none !important;
  width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  overflow: hidden !important;
}
/* If only one container-fluid, do not hide it */
body.idca-cart-classic-page .page-content > .container-fluid:only-of-type {
  display: flex !important;
}

.idca-classic {
  flex: 1 1 auto;
  min-height: 0;
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  background: #fff;
  color: var(--icc-text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
  overflow: hidden;
}

.idca-classic__top {
  flex-shrink: 0;
  border-bottom: 1px solid var(--icc-line);
  background: #fff;
  z-index: 20;
  box-shadow: none;
}
.idca-classic__top::before,
.idca-classic__top::after {
  display: none !important;
}
.idca-classic__top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  box-sizing: border-box;
}
.idca-classic__top-main {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.idca-classic__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 10px;
  border-radius: 6px;
  color: var(--icc-accent);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none !important;
  background: rgba(0, 110, 255, 0.08);
  white-space: nowrap;
}
.idca-classic__back:hover {
  background: rgba(0, 110, 255, 0.14);
  color: var(--icc-accent-hover);
}
.idca-classic__region {
  font-size: 14px;
  color: var(--icc-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.idca-classic__search {
  position: relative;
  width: min(360px, 42vw);
  flex-shrink: 0;
}
.idca-classic__search-ico {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--icc-text-3);
  font-size: 14px;
  pointer-events: none;
}
.idca-classic__search-input {
  width: 100%;
  height: 36px;
  padding: 0 12px 0 32px;
  border: 1px solid var(--icc-border);
  border-radius: 8px;
  background: #f7f8fa;
  font: inherit;
  font-size: 13px;
  color: var(--icc-text);
  outline: none;
}
.idca-classic__search-input:focus {
  border-color: #bfdbfe;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}
.idca-classic__mobile-cat {
  display: none;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--icc-border);
  border-radius: 8px;
  background: #fff;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.idca-classic__mobile-cat span {
  color: var(--icc-text-3);
  font-size: 12px;
}
.idca-classic__mobile-cat strong {
  color: var(--icc-text);
  font-size: 13px;
  font-weight: 600;
}

.idca-classic__body {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  overflow: hidden;
  position: relative;
}
.idca-classic__backdrop {
  display: none;
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  z-index: 30;
}
.idca-classic.is-cat-open .idca-classic__backdrop {
  display: block;
}

.idca-classic__sidebar {
  width: 240px;
  flex: 0 0 240px;
  flex-shrink: 0;
  display: flex !important;
  flex-direction: column;
  border-right: 1px solid var(--icc-line);
  background: #fff;
  min-height: 0;
  height: 100%;
  z-index: 5;
}
.idca-classic__nav-empty {
  padding: 24px 16px;
  font-size: 13px;
  color: var(--icc-text-3);
}
.idca-classic__sidebar-hd {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--icc-line);
  font-size: 16px;
}
.idca-classic__sidebar-x {
  border: 0;
  background: none;
  font-size: 22px;
  line-height: 1;
  color: var(--icc-text-2);
  cursor: pointer;
}
.idca-classic__nav {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  padding: 12px 0 16px;
  -webkit-overflow-scrolling: touch;
}
.idca-classic__nav-group {
  margin: 0 0 2px;
}
.idca-classic__nav-toggle {
  position: relative;
  width: calc(100% - 16px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 36px;
  margin: 0 8px 2px;
  padding: 0 10px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--icc-text);
  font: inherit;
  font-size: 14px;
  text-align: left;
  cursor: pointer;
}
.idca-classic__nav-toggle:hover,
.idca-classic__nav-group.is-open > .idca-classic__nav-toggle {
  background: #f5f7fa;
  color: var(--icc-accent);
}
.idca-classic__nav-toggle i {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  transition: transform .18s;
}
.idca-classic__nav-group.is-open > .idca-classic__nav-toggle i {
  transform: rotate(180deg);
}
.idca-classic__nav-sub {
  display: none;
  padding: 2px 0 6px 8px;
}
.idca-classic__nav-group.is-open > .idca-classic__nav-sub {
  display: block;
}
.idca-classic__nav-l2 {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 36px;
  margin: 0 8px 2px 0;
  padding: 0 10px 0 14px;
  border-radius: 4px;
  color: var(--icc-text-2);
  font-size: 13px;
  text-decoration: none !important;
}
.idca-classic__nav-l2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  border-radius: 0 2px 2px 0;
  background: transparent;
}
.idca-classic__nav-l2:hover {
  color: var(--icc-accent);
  background: #f5f7fa;
}
.idca-classic__nav-l2.is-active {
  color: var(--icc-accent);
  background: #eff6ff;
  font-weight: 600;
}
.idca-classic__nav-l2.is-active::before {
  background: var(--icc-accent);
}

.idca-classic__login {
  flex-shrink: 0;
  padding: 12px 16px 16px;
  border-top: 1px solid var(--icc-line);
}
.idca-classic__login p {
  margin: 0 0 10px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--icc-text-2);
}
.idca-classic__login a {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  border-radius: 6px;
  background: var(--icc-accent);
  color: #fff !important;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none !important;
}
.idca-classic__login a:hover {
  background: var(--icc-accent-hover);
}

.idca-classic__main {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 0;
  overflow: auto;
  background: var(--icc-bg);
  -webkit-overflow-scrolling: touch;
}
.idca-classic__main-inner {
  padding: 20px 24px 32px;
  box-sizing: border-box;
}
.idca-classic__notice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
  padding: 12px 16px;
  background: var(--icc-notice);
  color: var(--icc-notice-text);
  font-size: 13px;
  line-height: 1.55;
}
.idca-classic__notice span {
  flex-shrink: 0;
  margin-top: 1px;
}

.idca-classic__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  overflow: visible;
}
.idca-classic__card {
  display: flex;
  flex-direction: column;
  min-height: 380px;
  background: #fff;
  border: 1px solid var(--icc-border);
  border-radius: 2px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  overflow: visible;
  transition: box-shadow .25s, border-color .25s;
  position: relative;
  z-index: 1;
}
.idca-classic__card:hover {
  z-index: 2;
  border-color: #dcdcdc;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}
/* 角标：贴在右上角外沿（摆放参考「新品」贴纸位置，图可自定义） */
.idca-classic__card-badge {
  position: absolute;
  top: -4px;
  right: -16px;
  z-index: 5;
  width: 118px;
  height: auto;
  max-width: 48%;
  max-height: 118px;
  object-fit: contain;
  pointer-events: none;
  transform: rotate(var(--badge-rot, 18deg));
  transform-origin: 70% 30%;
  /* drop-shadow follows alpha — no rectangular white plate */
  filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.22));
  background: none !important;
  box-shadow: none !important;
  border: 0 !important;
}
.idca-classic__card-hd,
.idca-classic__card-body {
  overflow: hidden;
}
.idca-classic__back.is-static {
  color: #8c8c8c;
  cursor: default;
  text-decoration: none;
}
.idca-classic__card.is-soldout {
  opacity: 0.92;
}
.idca-classic__card-hd {
  padding: 18px 18px 0;
}
.idca-classic__card-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--icc-text);
}
.idca-classic__card-body {
  flex: 1 1 auto;
  padding: 14px 18px 8px;
}
.idca-classic__spec {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 16px;
  row-gap: 10px;
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: #4a5568;
}
.idca-classic__spec dt {
  margin: 0;
  font-weight: 400;
}
.idca-classic__spec dd {
  margin: 0;
  text-align: right;
  word-break: break-word;
}
.idca-classic__desc {
  font-size: 13px;
  line-height: 1.6;
  color: #4a5568;
  word-break: break-word;
}
.idca-classic__stock {
  margin-top: 10px;
  font-size: 12px;
  color: var(--icc-text-3);
}
.idca-classic__card-price {
  padding: 8px 18px 14px;
}
.idca-classic__price-num {
  font-size: 22px;
  font-weight: 700;
  color: #e34d59;
  line-height: 1.2;
}
.idca-classic__price-unit {
  margin-left: 4px;
  font-size: 13px;
  color: var(--icc-text-3);
}
.idca-classic__trial {
  margin-top: 4px;
  font-size: 12px;
  color: #e64a19;
}
.idca-classic__card-act {
  margin-top: auto;
}
.idca-classic__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 48px;
  background: var(--icc-accent);
  color: #fff !important;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none !important;
  border: 0;
}
.idca-classic__btn:hover {
  background: var(--icc-accent-hover);
  color: #fff !important;
}
.idca-classic__btn.is-disabled {
  background: #f0f0f0;
  color: #8c8c8c !important;
  cursor: not-allowed;
}

.idca-classic__pages {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}
.idca-classic__empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  color: var(--icc-text-3);
  font-size: 14px;
}

/* Loading skeleton — switch first, then reveal */
.idca-classic__main-inner.is-loading .idca-classic__content {
  display: none !important;
}
.idca-classic__main-inner:not(.is-loading) .idca-classic__skeleton {
  display: none !important;
}
.idca-classic__skeleton {
  min-height: 280px;
}
.idca-classic__skeleton-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.idca-classic__skel-card {
  min-height: 320px;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--icc-border);
  border-radius: 2px;
  box-sizing: border-box;
}
.idca-classic__skel-line {
  height: 12px;
  margin-bottom: 12px;
  border-radius: 4px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e6e6e6 37%, #f0f0f0 63%);
  background-size: 400% 100%;
  animation: idca-skel 1.2s ease infinite;
}
.idca-classic__skel-line--title { height: 20px; width: 62%; margin-bottom: 18px; }
.idca-classic__skel-line--short { width: 48%; }
.idca-classic__skel-line--price { width: 36%; height: 22px; margin-top: 28px; }
.idca-classic__skel-line--btn { height: 48px; margin: 24px -18px -18px; border-radius: 0; width: calc(100% + 36px); }
.idca-classic__skeleton--config .idca-classic__skel-form {
  background: #fff;
  border: 1px solid var(--icc-border);
  padding: 24px 20px;
}
.idca-classic__skeleton--config .idca-classic__skel-line { max-width: 720px; }
@keyframes idca-skel {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}
.idca-classic.is-switching .idca-classic__nav-l2 {
  pointer-events: none;
}

@media (max-width: 1399px) {
  .idca-classic__skeleton-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 1100px) {
  .idca-classic__skeleton-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 991px) {
  .idca-classic__skeleton-grid { grid-template-columns: 1fr; }
}

@media (max-width: 1399px) {
  .idca-classic__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 1100px) {
  .idca-classic__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 991px) {
  .idca-classic__search { display: none; }
  .idca-classic__region { display: none; }
  .idca-classic__top-inner {
    flex-wrap: wrap;
  }
  .idca-classic__mobile-cat {
    display: flex;
  }
  .idca-classic__sidebar {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 40;
    width: min(300px, 86vw);
    transform: translateX(-105%);
    transition: transform .22s ease;
    box-shadow: 8px 0 24px rgba(15, 23, 42, 0.12);
  }
  .idca-classic.is-cat-open .idca-classic__sidebar {
    transform: translateX(0);
  }
  .idca-classic__sidebar-hd {
    display: flex;
  }
  .idca-classic__grid { grid-template-columns: 1fr; }
  .idca-classic__main-inner { padding: 14px 12px 24px; }
  .idca-classic__card { min-height: 0; }
}

/* 手机壳：经典购物车避开底栏，不强制显示桌面顶栏 */
html.uc-app-html.idca-classic-chrome #page-topbar,
html.uc-app-html.idca-classic-chrome .navbar-header {
  display: none !important;
  visibility: hidden !important;
  height: 0 !important;
  overflow: hidden !important;
  pointer-events: none !important;
}
html.uc-app-html.idca-classic-chrome .main-content {
  padding-top: 0 !important;
}

/* 关键区高度让出底部 TabBar，避免「立即购买」压住底栏 */
body.uc-app-page.idca-m-page.idca-cart-classic-page .main-content,
body.uc-app-page.idca-m-page.idca-cart-page.idca-cart-classic-page .main-content {
  height: calc(100dvh - var(--uc-tabbar-h, 50px) - env(safe-area-inset-bottom, 0px)) !important;
  max-height: calc(100dvh - var(--uc-tabbar-h, 50px) - env(safe-area-inset-bottom, 0px)) !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}
body.uc-app-page.idca-m-page.idca-cart-classic-page .idca-classic,
body.uc-app-page.idca-m-page.idca-cart-classic-page .idca-classic__body,
body.uc-app-page.idca-m-page.idca-cart-classic-page .idca-classic__main {
  max-height: 100%;
}
body.uc-app-page.idca-m-page.idca-cart-classic-page .idca-classic__main-inner {
  padding-bottom: 28px !important;
}

html[data-theme="dark"] .idca-classic,
html[data-theme="glass"] .idca-classic,
html[data-theme="dark"] body.idca-cart-classic-page .main-content,
html[data-theme="glass"] body.idca-cart-classic-page .main-content {
  background: #12151c !important;
  color: #e8eaed;
}
html[data-theme="dark"] .idca-classic__top,
html[data-theme="glass"] .idca-classic__top,
html[data-theme="dark"] .idca-classic__sidebar,
html[data-theme="glass"] .idca-classic__sidebar,
html[data-theme="dark"] .idca-classic__card,
html[data-theme="glass"] .idca-classic__card {
  background: #1a1d24;
  border-color: #2a2f3a;
}
html[data-theme="dark"] .idca-classic__main,
html[data-theme="glass"] .idca-classic__main {
  background: #0f1218;
}
html[data-theme="dark"] .idca-classic__nav-l2.is-active,
html[data-theme="glass"] .idca-classic__nav-l2.is-active,
html[data-theme="dark"] .idca-classic__nav-toggle:hover,
html[data-theme="glass"] .idca-classic__nav-toggle:hover {
  background: rgba(59, 130, 246, 0.16);
}
html[data-theme="dark"] .idca-classic__search-input,
html[data-theme="glass"] .idca-classic__search-input {
  background: #151821;
  border-color: #2a2f3a;
  color: #e8eaed;
}