/* Amazon-style product detail — same page, hash URL */

.product-panel-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1260;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.product-panel-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

.product-panel {
  position: fixed;
  inset: 0;
  z-index: 1270;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  pointer-events: none;
}
.product-panel.open {
  pointer-events: auto;
}

.product-panel-sheet {
  width: 100%;
  max-width: 960px;
  max-height: min(92vh, 900px);
  max-height: min(92dvh, 900px); /* dynamic viewport — excludes mobile browser toolbars */
  background: var(--sf, #5A3512);
  border-radius: 20px 20px 0 0;
  box-shadow: 0 -12px 48px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  transform: translateY(105%);
  transition: transform 0.45s cubic-bezier(0.32, 0.72, 0, 1);
  overflow: hidden;
}
.product-panel.open .product-panel-sheet {
  transform: translateY(0);
}

.product-panel-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--brd, rgba(255, 255, 255, 0.08));
  flex-shrink: 0;
}
.product-panel-toolbar span {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tx2);
}
.product-panel-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.product-panel-close,
.product-panel-icon-btn {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: var(--s2, rgba(255, 255, 255, 0.08));
  color: var(--tx2);
  font-size: 18px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.product-panel-icon-btn .ico {
  width: 18px;
  height: 18px;
  color: inherit;
}

.product-panel-scroll {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
}

.product-panel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 20px 20px 8px;
}
@media (min-width: 720px) {
  .product-panel {
    align-items: center;
    padding: 24px;
  }
  .product-panel-sheet {
    border-radius: 20px;
    max-height: 88vh;
    max-height: 88dvh;
    transform: translateY(24px) scale(0.96);
    opacity: 0;
    transition: transform 0.45s cubic-bezier(0.32, 0.72, 0, 1), opacity 0.35s ease;
  }
  .product-panel.open .product-panel-sheet {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  .product-panel-grid {
    grid-template-columns: 280px 1fr;
    padding: 28px 28px 12px;
    gap: 32px;
  }
}

.product-panel-cover {
  aspect-ratio: 3 / 4;
  border-radius: 12px;
  background: var(--s2, #6D3914);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--brd);
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
  position: relative;
}
.product-panel-cover img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.product-panel-cover img,
.product-panel-cover canvas {
  -webkit-user-drag: none;
  user-drag: none;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
}
.product-panel-cover.icon-only {
  flex-direction: column;
  gap: 8px;
  padding: 16px;
}
.product-panel-cover .cover-glyph {
  font-size: 48px;
  filter: drop-shadow(0 3px 6px rgba(0, 0, 0, .12));
}
.product-panel-cover .cover-initial {
  font-family: 'Cormorant Garamond', serif;
  font-size: 12px;
  font-weight: 700;
  color: rgba(15, 61, 40, .5);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  text-align: center;
  line-height: 1.25;
  max-width: 92%;
}

/* pp-* markup used by product-panel.js */
.pp-img-wrap {
  position: relative;
  aspect-ratio: 3 / 4;
  max-width: 280px;
  margin: 0 auto 16px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--s2, #6D3914);
  border: 1px solid var(--brd);
}
.pp-img-wrap .pp-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.product-panel-cover .book-badge,
.product-panel-cover .booket-sale-ribbon {
  z-index: 6;
}

.product-panel-body h1 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(22px, 4vw, 28px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--tx);
  margin: 0 0 4px;
}
.product-panel-alt-name,
.product-alt-name {
  font-family: 'Amiri', 'Noto Nastaliq Urdu', Georgia, serif;
  font-size: clamp(16px, 2.5vw, 20px);
  font-weight: 400;
  line-height: 1.45;
  color: var(--muted, #6b5e4e);
  margin: 0 0 10px;
}
.product-panel-seller {
  font-size: 13px;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 12px;
}
.product-panel-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.product-panel-badge {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 980px;
  background: rgba(171, 119, 67, 0.12);
  border: 1px solid rgba(171, 119, 67, 0.3);
  color: var(--gold);
}
.product-panel-price {
  margin-bottom: 16px;
}
.product-panel-price .pp-sp {
  font-family: 'Cormorant Garamond', serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--tx);
}
.product-panel-price .pp-mrp {
  font-size: 14px;
  color: var(--tx2);
  margin-left: 6px;
}
.product-panel-price .pp-disc {
  font-size: 12px;
  font-weight: 700;
  color: var(--green);
  margin-left: 8px;
}
.product-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--brd, rgba(255, 255, 255, 0.07));
  padding-bottom: 10px;
}
.product-tab {
  border: none;
  background: transparent;
  color: var(--tx2, #9e9890);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 980px;
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
}
.product-tab.active {
  background: var(--gbg, rgba(201, 137, 58, 0.13));
  color: var(--glt, #C49463);
}
.product-tab-panel {
  margin-bottom: 12px;
}
.product-panel-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--tx2);
  margin: 0 0 20px;
  white-space: pre-wrap;
}
.product-panel-copy-block {
  margin-bottom: 18px;
}
.product-panel-copy-block:last-child {
  margin-bottom: 12px;
}
.product-panel-copy-heading {
  font-family: 'Outfit', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tx);
  margin: 0 0 8px;
}
.product-panel-copy-block .product-panel-desc {
  margin-bottom: 0;
}
.product-panel-specs {
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: var(--tx2);
  padding: 16px;
  border-radius: 12px;
  background: var(--s2, rgba(255, 255, 255, 0.04));
  border: 1px solid var(--brd);
}
.product-panel-specs dt {
  font-weight: 600;
  color: var(--tx);
  display: inline;
}
.product-panel-specs dd {
  display: inline;
  margin: 0;
}
.product-panel-specs div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 0;
  border-bottom: 1px solid var(--brd);
}
.product-panel-specs div:last-child {
  border-bottom: none;
}

.product-panel-sticky {
  flex-shrink: 0;
  padding: 16px 20px calc(16px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--brd);
  background: var(--sf);
  display: flex;
  gap: 12px;
  align-items: center;
}
.product-panel-sticky .product-panel-action {
  flex: 1;
  padding: 14px 20px;
  border-radius: 980px;
  border: none;
  background: var(--gold, #AB7743);
  color: #4C2B08;
  font-family: 'Outfit', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.product-panel-sticky .product-panel-qty {
  display: flex;
  align-items: center;
  gap: 8px;
}
.product-panel-sticky .product-panel-qty button {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--brd);
  background: transparent;
  color: var(--tx);
  font-size: 18px;
  cursor: pointer;
}

.book-card,
.pick-card {
  cursor: pointer;
}
.book-card .add-btn,
.book-card .buy-btn,
.book-card .bag-btn,
.book-card .qty-stepper,
.book-card .card-actions,
.pick-card .pick-add,
.pick-card .buy-btn,
.pick-card .bag-btn,
.pick-card .qty-stepper,
.pick-card .card-actions,
.pick-card .pick-qty {
  cursor: default;
}
.book-card .buy-btn,
.book-card .bag-btn,
.book-card .qty-btn,
.pick-card .buy-btn,
.pick-card .bag-btn,
.pick-card .qty-btn {
  cursor: pointer;
}

html[data-theme="light"] .product-panel-sheet {
  background: #fff;
}
html[data-theme="light"] .product-panel-desc {
  color: #6e6e73;
}
html[data-theme="light"] .product-panel-cover.icon-only {
  background: #f7f5f0;
}