/* Product documents keep the storefront theme and reuse its purchase controls.
   The page shell is deliberately scoped: the homepage drawer is unchanged. */
.product-permalink { color: var(--accent-color); text-underline-offset: 3px; }
.product-permalink:hover { text-decoration: underline; }
.product-permalink:focus-visible { outline: 2px solid var(--accent-color); outline-offset: 4px; }
.product-body > .product-permalink { align-self: flex-start; margin-top: 14px; font-size: .85rem; }
.product-document-page .product-page-main {
  width: min(1220px, calc(100% - 48px));
  max-width: none;
  margin: 0 auto;
  padding: 26px 0 64px;
}
.product-page-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 9px;
  margin-bottom: 10px;
  color: var(--text-muted);
  font-size: .85rem;
  line-height: 1.6;
}
.product-page-breadcrumb a { color: var(--accent-color); white-space: nowrap; }
.product-page-breadcrumb > span:last-child { min-width: 0; overflow-wrap: anywhere; }
.product-page-feedback {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  min-height: 24px;
  margin-bottom: 14px;
  font-size: .84rem;
  color: var(--text-muted);
}
#product-page-status[data-state="error"] { color: var(--error-color); }
#product-page-retry { border: 1px solid var(--border-color); min-height: 36px; padding: 6px 12px; }
#product-page-retry[hidden], .product-page-next-order[hidden] { display: none; }
.product-detail-panel--page {
  display: block;
  position: static;
  margin: 0;
  overflow: visible;
  max-height: none;
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: none;
}
.product-detail-panel--page .product-detail-inner {
  height: auto;
  min-height: 0;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
}
.product-detail-panel--page .detail-body { height: auto; min-width: 0; }
.product-detail-panel--page .detail-body > * {
  opacity: 1;
  transform: none;
  animation: none;
}
.product-detail-panel--page .detail-product-header {
  padding: 0 0 24px;
  background: none;
  border: 0;
}
.product-detail-panel--page .detail-heading-row { display: block; padding: 0; }
.product-detail-panel--page .detail-heading-main h1 {
  display: block;
  margin: 0;
  color: var(--text-main);
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 700;
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.product-detail-panel--page .detail-columns {
  display: grid;
  grid-template-columns: minmax(340px, .92fr) minmax(0, 1.28fr);
  align-items: start;
  gap: 26px;
}
.product-detail-panel--page .detail-left,
.product-detail-panel--page .detail-right {
  width: auto;
  min-width: 0;
  max-width: none;
  height: auto;
  max-height: none;
  overflow: visible;
  border: 0;
  padding: 0;
}
.product-detail-panel--page .detail-left {
  display: flex;
  flex-direction: column;
  padding: 22px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}
.product-detail-panel--page .detail-right { display: grid; gap: 22px; }
.product-detail-panel--page .detail-product-visual,
.product-detail-panel--page.product-detail-panel--catalog-compact .detail-product-visual {
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 320px;
  margin-bottom: 22px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--bg-color) 65%, var(--bg-card));
}
.product-detail-panel--page .detail-product-visual img { width: 100%; height: 100%; object-fit: contain; }
.product-detail-panel--page .detail-spec-section { margin-bottom: 18px; }
.product-detail-panel--page .detail-section-label { margin-bottom: 9px; font-size: .82rem; }
.product-detail-panel--page .detail-spec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.product-detail-panel--page .detail-spec-option {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 64px;
  padding: 12px 30px 12px 13px;
  text-decoration: none;
  color: var(--text-main);
  overflow-wrap: anywhere;
}
.product-detail-panel--page .detail-spec-option span { white-space: normal; line-height: 1.5; }
.product-detail-panel--page .detail-spec-option small { line-height: 1.5; white-space: normal; }
.product-detail-panel--page .detail-spec-option[aria-current="page"] {
  border-color: var(--accent-color);
  background: color-mix(in srgb, var(--accent-color) 8%, var(--bg-card));
}
.product-detail-panel--page .detail-spec-metrics { gap: 8px; margin: 0 0 22px; }
.product-detail-panel--page .detail-spec-metric { min-width: 0; min-height: 68px; padding: 12px 9px; }
.product-detail-panel--page .detail-spec-metric strong { overflow-wrap: anywhere; }
.product-detail-panel--page .purchase-form { gap: 18px; flex: none; }
.product-detail-panel--page .purchase-grid { grid-template-columns: minmax(0, 1fr); gap: 14px; }
.product-detail-panel--page .purchase-field .form-label { font-size: .82rem; margin-bottom: 7px; }
.product-detail-panel--page .purchase-field .form-input { min-height: 44px; padding: 10px 12px; font-size: .95rem; }
.product-detail-panel--page .coupon-mini--under-pay { grid-template-columns: minmax(0, 1fr); gap: 8px; }
.product-detail-panel--page .coupon-mini-input { grid-template-columns: minmax(0, 1fr) auto; gap: 9px; }
.product-detail-panel--page .coupon-mini-input .form-input { min-height: 44px; font-size: .95rem; }
.product-detail-panel--page .coupon-mini-input .btn-primary { min-height: 44px; padding: 8px 18px; font-size: .85rem; }
.product-detail-panel--page #coupon-status { grid-column: auto; font-size: .8rem; line-height: 1.6; }
.product-detail-panel--page .purchase-bottom-panel {
  position: static;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 0;
  padding: 18px 0 0;
  border: 0;
  border-top: 1px solid var(--border-color);
  border-radius: 0;
  background: none;
  box-shadow: none;
}
.product-detail-panel--page .purchase-bottom-label { margin-bottom: 9px; font-size: .82rem; }
.product-detail-panel--page .pay-method-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.product-detail-panel--page .pay-option { min-height: 46px; padding: 10px; }
.product-detail-panel--page .pay-option span { font-size: .84rem; white-space: normal; }
.product-detail-panel--page .volume-row { flex-direction: column; gap: 8px; margin: 0; }
.product-detail-panel--page .volume-tier-list { gap: 7px; }
.product-detail-panel--page .volume-tier-btn { min-height: 36px; padding: 7px 10px; }
.product-detail-panel--page .purchase-bottom-error { margin: 0; line-height: 1.7; font-size: .85rem; overflow-wrap: anywhere; }
.product-detail-panel--page .purchase-bottom-error:empty { display: none; }
.product-detail-panel--page .purchase-total-submit {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px 12px;
  margin: 0;
  padding: 0;
}
.product-detail-panel--page .qty-stepper { height: 44px; grid-template-columns: 38px minmax(42px, 60px) 38px; }
.product-detail-panel--page .total-inline { justify-self: end; text-align: right; min-width: 0; }
.product-detail-panel--page .total-inline strong { font-size: 1.5rem; line-height: 1.3; white-space: normal; overflow-wrap: anywhere; }
.product-detail-panel--page .purchase-submit-action { grid-column: 1 / -1; width: 100%; justify-self: stretch; }
.product-detail-panel--page .purchase-submit-action .btn-primary {
  min-height: 48px;
  height: auto;
  padding: 12px 18px;
  font-size: .96rem;
  background: var(--accent-color);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--accent-color) 18%, transparent);
}
.product-detail-panel--page .purchase-submit-action .btn-primary:hover:not(:disabled) { background: var(--accent-hover); }
.product-detail-panel--page .purchase-submit-action .btn-primary:disabled { box-shadow: none; }
.product-page-next-order {
  align-self: center;
  margin-top: 16px;
  min-height: 38px;
  padding: 6px 14px;
  color: var(--accent-color);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-size: .85rem;
}
.product-detail-panel--page .product-page-copy-section,
.product-detail-panel--page .detail-right > .md-guide {
  margin: 0;
  padding: 26px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  min-width: 0;
}
.product-page-copy-section h2,
.product-detail-panel--page .md-guide__header { margin: 0 0 18px; padding: 0; font-size: 1.05rem; line-height: 1.5; }
.product-page-copy,
.product-page-copy-text,
.product-detail-panel--page .md-body { overflow-wrap: anywhere; line-height: 1.85; font-size: .95rem; }
.product-page-copy-text { white-space: pre-wrap; }
.product-detail-panel--page .md-guide__scroll { max-height: none; overflow: visible; padding: 0; }
.product-detail-panel--page .md-guide__scroll-fade { overflow: visible; }
.product-detail-panel--page .md-guide__scroll-fade::after { display: none; }
.product-detail-panel--page .md-warranty { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--border-color); }
.product-detail-panel--page .md-warranty__text { line-height: 1.8; white-space: pre-wrap; }
.product-detail-panel--page .md-body img { max-width: 100%; height: auto; }
.product-detail-panel--page .md-body pre { max-width: 100%; overflow-x: auto; }
.product-detail-panel--page .md-body table { display: block; max-width: 100%; overflow-x: auto; }
.product-detail-panel--page[aria-busy="true"] .purchase-form { opacity: .7; }
.product-page-noscript { margin-top: 20px; color: var(--text-muted); font-size: .85rem; line-height: 1.8; }
.product-document-page a:focus-visible,
.product-document-page button:focus-visible,
.product-document-page input:focus-visible { outline: 2px solid var(--accent-color); outline-offset: 3px; }
@media (max-width: 920px) {
  .product-document-page .product-page-main { width: calc(100% - 32px); padding-top: 20px; }
  .product-detail-panel--page .detail-columns { grid-template-columns: minmax(300px, .95fr) minmax(0, 1fr); gap: 18px; }
  .product-detail-panel--page .detail-left { padding: 18px; }
  .product-detail-panel--page .product-page-copy-section,
  .product-detail-panel--page .detail-right > .md-guide { padding: 20px; }
}
@media (max-width: 700px) {
  .product-document-page .product-page-main { width: calc(100% - 24px); padding: 18px 0 calc(30px + env(safe-area-inset-bottom)); }
  .product-page-breadcrumb { font-size: .8rem; }
  .product-page-feedback { font-size: .8rem; margin-bottom: 10px; }
  .product-detail-panel--page .detail-product-header { padding-bottom: 18px; }
  .product-detail-panel--page .detail-columns { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .product-detail-panel--page .detail-left { padding: 18px; border-radius: 18px; }
  .product-detail-panel--page .detail-right { gap: 18px; }
  .product-detail-panel--page .detail-product-visual { max-height: 300px; margin-bottom: 18px; }
  .product-detail-panel--page .detail-spec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-detail-panel--page .purchase-field .form-input,
  .product-detail-panel--page .coupon-mini-input .form-input { font-size: 16px; }
  .product-detail-panel--page .product-page-copy-section,
  .product-detail-panel--page .detail-right > .md-guide { padding: 20px 18px; border-radius: 18px; }
}
@media (max-width: 360px) {
  .product-detail-panel--page .detail-left { padding: 14px; }
  .product-detail-panel--page .detail-spec-grid,
  .product-detail-panel--page .pay-method-grid { grid-template-columns: minmax(0, 1fr); }
  .product-detail-panel--page .detail-spec-metric { padding: 10px 5px; }
  .product-detail-panel--page .detail-spec-metric strong { font-size: .95rem; }
}
@media (prefers-reduced-motion: reduce) {
  .product-detail-panel--page *, .product-detail-panel--page *::before, .product-detail-panel--page *::after { animation: none !important; transition: none !important; }
}