/**
 * Lonestar Theme — Single Product Page
 *
 * Scientific authority design language: sharp lines, industrial shadows,
 * rectangular images, spec-sheet data density. Agilent/Waters/Thermo Fisher feel.
 */

/* ==========================================================================
   1. PAGE-LEVEL — breathing room, background
   ========================================================================== */

.single-product .site-main {
  background: #f8fafb;
}

.single-product .site-container {
  max-width: 1140px;
}

.single-product .woocommerce-breadcrumb {
  padding: 20px 0 12px;
  font-size: 13px;
  color: #6b7280;
}

.single-product .woocommerce-breadcrumb a {
  color: #6b7280;
  text-decoration: underline;
  transition: color 0.15s;
}

.single-product .woocommerce-breadcrumb a:hover {
  color: #111827;
}

/* ==========================================================================
   2. HERO — gallery + summary side-by-side
   ========================================================================== */

.single-product div.product .product-gallery-summary {
  gap: 48px;
  margin-bottom: 0;
  padding: 32px 0 40px;
  align-items: stretch;
}

/* ── Gallery — stretches to match summary height ── */
.single-product .woocommerce-product-gallery {
  background: #fff;
  border-radius: 4px;
  padding: 0;
  border: 1px solid #dde2e9;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* FlexSlider wrapper must participate in flex column */
.single-product .woocommerce-product-gallery .flexslider {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* Override FlexSlider's inline height so flex: 1 can stretch */
.single-product .woocommerce-product-gallery .flex-viewport {
  flex: 1;
  min-height: 0;
  height: auto !important;
}

/* Main image fills the viewport with cover (slight zoom on tall containers) */
/* Specificity must beat woocommerce.css: .woocommerce div.product div.images img (0,3,3) */
.single-product div.product .woocommerce-product-gallery .woocommerce-product-gallery__image img {
  border-radius: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* The image wrapper and slide must fill the viewport */
.single-product .woocommerce-product-gallery .woocommerce-product-gallery__wrapper,
.single-product .woocommerce-product-gallery .woocommerce-product-gallery__image {
  height: 100%;
}

/* The <a> inside each slide must also fill it for the img height chain */
.single-product .woocommerce-product-gallery .woocommerce-product-gallery__image > a {
  display: block;
  height: 100%;
}

/* Thumbnails */
.single-product .woocommerce-product-gallery .flex-control-thumbs {
  gap: 8px;
  margin-top: 12px;
  padding: 0 12px 12px;
}

.single-product .woocommerce-product-gallery .flex-control-thumbs li {
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid #e0e4ea;
  transition: border-color 0.15s;
}

.single-product .woocommerce-product-gallery .flex-control-thumbs li img {
  border-radius: 2px;
  opacity: 0.7;
  transition: opacity 0.15s;
}

.single-product .woocommerce-product-gallery .flex-control-thumbs li img.flex-active,
.single-product .woocommerce-product-gallery .flex-control-thumbs li:hover img {
  opacity: 1;
}

.single-product .woocommerce-product-gallery .flex-control-thumbs li:has(img.flex-active) {
  border: 2px solid #111827;
}

/* ── Product title ── */
.single-product div.product .product_title {
  font-size: 30px;
  font-weight: 800;
  color: #111827;
  letter-spacing: 0;
  line-height: 1.15;
  margin: 0 0 12px;
}

/* ── Price ── */
.single-product div.product .summary > .price {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 4px;
}

.single-product div.product .summary > .price del {
  font-size: 20px;
  font-weight: 400;
  color: #9ca3af;
  text-decoration: line-through;
  margin-right: 8px;
}

.single-product div.product .summary > .price ins {
  text-decoration: none;
  color: #16a34a;
  font-weight: 700;
}

.single-product div.product .summary > .price .woocommerce-Price-amount {
  letter-spacing: 0.01em;
}

/* ── Partner pricing badge ── */
.lonestar-partner-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  padding: 4px 10px;
  border-radius: 2px;
  background: #f0faf2;
  border: 1px solid #b8e0c4;
  font-size: 12px;
  font-weight: 600;
  color: #15803d;
  letter-spacing: 0.01em;
}

.lonestar-partner-badge::before {
  content: "";
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #22c55e;
}

/* ── Short description ── */
.single-product div.product .summary .woocommerce-product-details__short-description {
  margin: 12px 0 0;
  color: #4b5563;
  font-size: 15px;
  line-height: 1.6;
}

/* ==========================================================================
   3. BUY BOX — instrument control panel
   ========================================================================== */

.single-product div.product .summary .lonestar-buy-box {
  margin-top: 24px;
  padding: 24px;
  border: 1px solid #c8cfd8;
  border-radius: 4px;
  background: #f9fafb;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Override form grid to single column, tight gap, no extra padding */
.single-product div.product .summary .lonestar-buy-box form.variations_form {
  grid-template-columns: 1fr;
  align-items: start;
  gap: 6px;
  padding-top: 0;
  margin-bottom: 12px;
}

/* Kill table margin that creates dead space above controls */
.single-product div.product .summary .lonestar-buy-box form.variations_form table.variations {
  margin-bottom: 0;
}

/* Hide "Clear" link everywhere in the buy box */
.single-product div.product .lonestar-buy-box .reset_variations {
  display: none !important;
}

/* Hide stock availability display (e.g. "5 in stock") */
.single-product div.product .lonestar-buy-box .woocommerce-variation-availability {
  display: none;
}

/* Hide original th.label — labels are rebuilt inline by JS */
.single-product div.product .lonestar-buy-box table.variations th.label {
  display: none;
}

/* Hide WooCommerce's built-in quantity label (we provide our own) */
.single-product div.product .lonestar-buy-box .lonestar-field-group .quantity label {
  display: none;
}

/* Kill the ::before "Qty" pseudo-element from style.css (we have our own label) */
/* Must beat style.css specificity: .woocommerce div.product form.cart .quantity::before (0,4,3) */
.single-product div.product .summary .lonestar-buy-box form.cart .quantity::before {
  content: none;
}

/* Option-qty row: wider formulation column */
.single-product div.product .summary .lonestar-buy-box .lonestar-option-qty-row {
  grid-template-columns: 1fr 100px;
}

/* ── Field groups (Formulation / Qty side-by-side) ── */
.single-product div.product .lonestar-buy-box .lonestar-field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.single-product div.product .lonestar-buy-box .lonestar-field-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #6b7280;
  line-height: 1;
}

/* Variation select */
.single-product div.product .lonestar-buy-box .lonestar-field-group select {
  flex: 1;
  min-height: 48px;
  border: 1px solid #c8cfd8;
  border-radius: 4px;
  padding: 0 44px 0 16px;
  background-color: #fff;
  font-size: 15px;
  color: #111827;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.single-product div.product .lonestar-buy-box .lonestar-field-group select:focus {
  outline: 0;
  border-color: #36b24a;
  box-shadow: 0 0 0 2px rgba(54, 178, 74, 0.15);
}

/* Quantity — inside field group, no extra margin */
.single-product div.product .lonestar-buy-box .lonestar-field-group .quantity {
  margin: 0;
}

.single-product div.product .lonestar-buy-box .lonestar-field-group .quantity .qty {
  width: 100%;
  height: 100%;
  min-height: 48px;
  border: 1px solid #c8cfd8;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 600;
  color: #111827;
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.single-product div.product .lonestar-buy-box .lonestar-field-group .quantity .qty:focus {
  outline: 0;
  border-color: #36b24a;
  box-shadow: 0 0 0 2px rgba(54, 178, 74, 0.15);
}

/* Variation price display */
.single-product div.product .lonestar-buy-box .woocommerce-variation-price .price {
  font-size: 22px;
  font-weight: 700;
  padding: 8px 0 4px;
}

/* ── Formulation info panel (persistent, swaps content per selection) ── */
.single-product .lonestar-buy-box .formulationPanel {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 12px;
  align-items: center;
  margin: 8px 0 4px;
  padding: 10px 12px;
  background: #f8fafc;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  opacity: 1;
  transition: opacity 0.15s ease;
}

/* ── Media column — transparent wrapper, no box ── */
.single-product .lonestar-buy-box .formulationPanel__media {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Circle thumbnail (selected states) */
.single-product .lonestar-buy-box .formulationPanel__media img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
  background: #f8fafc;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* Arrow icon (no-selection state) */
.single-product .lonestar-buy-box .formulationPanel__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #dde2e9;
  color: #374151;
}

/* ── Content column ── */
.single-product .lonestar-buy-box .formulationPanel__title {
  font-size: 13px;
  font-weight: 600;
  color: #111827;
  line-height: 1.3;
  margin-bottom: 1px;
}

.single-product .lonestar-buy-box .formulationPanel__icon {
  display: inline-block;
  vertical-align: -2px;
  margin: 0 2px;
  color: #6b7280;
}

.single-product .lonestar-buy-box .formulationPanel__subtitle {
  font-weight: 400;
  color: #6b7280;
}

.single-product .lonestar-buy-box .formulationPanel__text {
  font-size: 12px;
  color: #6b7280;
  line-height: 1.35;
}

.single-product .lonestar-buy-box .formulationPanel__text div + div {
  margin-top: 2px;
}

/* ── Nudge animation (select shake when CTA clicked without selection) ── */
@keyframes lonestar-nudge {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-3px); }
  40% { transform: translateX(3px); }
  60% { transform: translateX(-2px); }
  80% { transform: translateX(2px); }
}

.lonestar-nudge {
  animation: lonestar-nudge 0.25s ease;
}

/* Add to cart button */
.single-product div.product .lonestar-buy-box button.single_add_to_cart_button.button.alt {
  min-height: 52px;
  border-radius: 4px;
  background: #36b24a;
  box-shadow: none;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: background 0.15s;
}

.single-product div.product .lonestar-buy-box button.single_add_to_cart_button.button.alt:hover {
  background: #2d9e3f;
}

/* ==========================================================================
   4. SHIPPING + TRUST PANEL
   ========================================================================== */

.single-product div.product .lonestar-buy-box .product-shipping-info {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid #dde2e9;
}

.single-product div.product .lonestar-buy-box .shipping-header {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0 0 10px;
}

.single-product div.product .lonestar-buy-box .shipping-fedex-mark {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  flex-shrink: 0;
}

.single-product div.product .lonestar-buy-box .shipping-fedex-mark span:first-child {
  color: #4D148C;
}

.single-product div.product .lonestar-buy-box .shipping-fedex-mark span:last-child {
  color: #FF6600;
}

.single-product div.product .lonestar-buy-box .shipping-title {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #6b7280;
}

.single-product div.product .lonestar-buy-box .shipping-countdown__status,
.single-product div.product .lonestar-buy-box .shipping-countdown__arrival {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 8px;
  color: #374151;
  font-size: 14px;
  line-height: 1.45;
}

.single-product div.product .lonestar-buy-box .shipping-countdown__icon {
  flex: 0 0 16px;
  margin-top: 2px;
  color: #36b24a;
}

.single-product div.product .lonestar-buy-box .shipping-countdown__timer {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.single-product div.product .lonestar-buy-box .shipping-countdown--urgent .shipping-countdown__timer {
  color: #b45309;
}

.single-product div.product .lonestar-buy-box .shipping-countdown__arrival {
  padding-left: 26px;
  margin-bottom: 0;
  color: #6b7280;
  font-size: 13px;
}

.single-product div.product .lonestar-buy-box .shipping-countdown__warning {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding: 8px 14px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  color: #991b1b;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}

.single-product div.product .lonestar-buy-box .shipping-countdown__warning-icon {
  flex: 0 0 14px;
  color: #dc2626;
}

/* ── Trust panel — circular badges + Stripe ── */
/* Specificity must beat main.css (0,5,2) */
.single-product div.product .summary .lonestar-buy-box .product-trust-panel {
  margin-top: 24px;
  padding: 8px 0 7px;
  border: 1.5px solid #e5e7eb;
  border-radius: 6px;
  background: transparent;
  text-align: center;
}

/* ── Header — legend-style, sits on top border ── */
.single-product div.product .summary .lonestar-buy-box .trust-panel__header {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: -18px auto 0;
}

.single-product div.product .summary .lonestar-buy-box .trust-panel__header span {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #6b7280;
  white-space: nowrap;
  background: #f9fafb;
  padding: 0 10px;
}

/* ── Trust badges — evenly spaced circles ── */
.single-product div.product .summary .lonestar-buy-box .trust-badges {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-around;
  align-items: flex-start;
  gap: 12px 8px;
  padding: 0;
  margin-bottom: 0;
  background: transparent;
  border: none;
}

.single-product div.product .summary .lonestar-buy-box .trust-badge {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 0 0 auto;
  min-width: 0;
  cursor: default;
}

.single-product div.product .summary .lonestar-buy-box .trust-badge__circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 106px;
  height: 106px;
}

.single-product div.product .summary .lonestar-buy-box .trust-badge__circle img {
  width: 89px;
  height: 89px;
  object-fit: contain;
  flex-shrink: 0;
}

/* Tooltip on hover */
.single-product div.product .summary .lonestar-buy-box .trust-badge::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 10px;
  background: #111827;
  color: #fff;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.3;
  white-space: nowrap;
  border-radius: 4px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 10;
}

.single-product div.product .summary .lonestar-buy-box .trust-badge:hover::after {
  opacity: 1;
}

/* ── Payment row — outside the bordered box ── */
.single-product div.product .summary .lonestar-buy-box .payment-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
}

.single-product div.product .summary .lonestar-buy-box .payment-icons {
  display: flex;
  align-items: center;
  gap: 6px;
}

.single-product div.product .summary .lonestar-buy-box .payment-icon svg {
  border-radius: 4px;
  overflow: hidden;
}

.single-product div.product .summary .lonestar-buy-box .payment-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: #9ca3af;
  white-space: nowrap;
}

.single-product div.product .summary .lonestar-buy-box .payment-label svg {
  color: #9ca3af;
  flex-shrink: 0;
}

.single-product div.product .summary .lonestar-buy-box .payment-label strong {
  font-weight: 700;
  color: #6b7280;
}

/* ── Trust panel mobile — keep badges in a single row ── */
@media (max-width: 480px) {
  .single-product div.product .summary .lonestar-buy-box .trust-badges {
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: 4px;
  }

  .single-product div.product .summary .lonestar-buy-box .trust-badge__circle {
    width: 72px;
    height: 72px;
  }

  .single-product div.product .summary .lonestar-buy-box .trust-badge__circle img {
    width: 60px;
    height: 60px;
  }
}

/* ==========================================================================
   5. PRODUCT META
   ========================================================================== */

/* Hide product meta on single product — keeps gallery aligned with buy box bottom */
.single-product .product_meta {
  display: none;
}

/* ==========================================================================
   6. TABS — spec-sheet style
   ========================================================================== */

.single-product div.product .woocommerce-tabs {
  padding-top: 0;
  margin-top: 48px;
}

.single-product div.product .woocommerce-tabs ul.tabs {
  display: flex;
  gap: 0;
  padding: 0;
  margin: 0;
  border-bottom: 2px solid #e5e7eb;
  list-style: none;
  background: transparent;
}

.single-product div.product .woocommerce-tabs ul.tabs::before,
.single-product div.product .woocommerce-tabs ul.tabs::after {
  display: none;
}

.single-product div.product .woocommerce-tabs ul.tabs li {
  padding: 0;
  margin: 0;
  border: none;
  background: transparent;
  border-radius: 0;
}

.single-product div.product .woocommerce-tabs ul.tabs li::before,
.single-product div.product .woocommerce-tabs ul.tabs li::after {
  display: none;
}

.single-product div.product .woocommerce-tabs ul.tabs li a {
  display: block;
  padding: 14px 24px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #6b7280;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}

.single-product div.product .woocommerce-tabs ul.tabs li a:hover {
  color: #374151;
}

.single-product div.product .woocommerce-tabs ul.tabs li.active {
  background: transparent;
  border: none;
}

.single-product div.product .woocommerce-tabs ul.tabs li.active a {
  color: #111827;
  border-bottom-color: #111827;
}

/* Tab panels */
.single-product div.product .woocommerce-tabs .woocommerce-Tabs-panel {
  padding: 40px 0 48px;
  animation: lonestar-tab-fade 0.2s ease;
}

@keyframes lonestar-tab-fade {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.single-product div.product .woocommerce-tabs .woocommerce-Tabs-panel > h2 {
  font-size: 24px;
  font-weight: 700;
  color: #111827;
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}

/* ==========================================================================
   7. DESCRIPTION CONTENT — typography, images, sections
   ========================================================================== */

.single-product .woocommerce-Tabs-panel p {
  font-size: 14px;
  line-height: 1.6;
  color: #374151;
  margin: 0 0 16px;
}

.single-product .woocommerce-Tabs-panel h2 {
  font-size: 20px;
  font-weight: 800;
  color: #111827;
  margin: 48px 0 16px;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.single-product .woocommerce-Tabs-panel h2:first-child {
  margin-top: 0;
}

.single-product .woocommerce-Tabs-panel h3 {
  font-size: 16px;
  font-weight: 700;
  color: #111827;
  margin: 32px 0 12px;
  letter-spacing: 0.01em;
}

.single-product .woocommerce-Tabs-panel h4 {
  font-size: 16px;
  font-weight: 700;
  color: #374151;
  margin: 24px 0 10px;
}

/* Images in description */
.single-product .woocommerce-Tabs-panel img {
  border-radius: 2px;
  margin: 16px 0;
  max-width: 100%;
  height: auto;
}

/* ==========================================================================
   8. TABLES — spec sheet
   ========================================================================== */

.single-product .woocommerce-Tabs-panel table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0 28px;
  border: 1px solid #c8cfd8;
  border-radius: 0;
  font-size: 14px;
}

.single-product .woocommerce-Tabs-panel table thead th {
  background: #f0f2f5;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #6b7280;
  padding: 10px 14px;
  border-bottom: 2px solid #c8cfd8;
  text-align: left;
}

.single-product .woocommerce-Tabs-panel table tbody td {
  padding: 10px 14px;
  color: #374151;
  border-bottom: 1px solid #e5e7eb;
  vertical-align: top;
  line-height: 1.5;
}

.single-product .woocommerce-Tabs-panel table tbody tr:last-child td {
  border-bottom: none;
}

/* First column as label — bolder */
.single-product .woocommerce-Tabs-panel table tbody td:first-child {
  font-weight: 700;
  font-size: 13px;
  color: #111827;
  white-space: nowrap;
}

/* Tables inside columns — allow wrapping for narrower containers */
.single-product .woocommerce-Tabs-panel .wp-block-column table tbody td:first-child {
  white-space: normal;
}

/* COA / pass-fail status */
.single-product .woocommerce-Tabs-panel table td:last-child {
  text-align: left;
}

/* ==========================================================================
   9. SCIENCE IMAGE BLOCKS
   ========================================================================== */

.single-product .woocommerce-Tabs-panel .wp-block-image,
.single-product .woocommerce-Tabs-panel figure {
  margin: 24px 0;
}

.single-product .woocommerce-Tabs-panel .wp-block-image img,
.single-product .woocommerce-Tabs-panel figure img {
  border-radius: 2px;
  border: 1px solid #dde2e9;
  box-shadow: none;
}

.single-product .woocommerce-Tabs-panel .wp-block-image figcaption,
.single-product .woocommerce-Tabs-panel figure figcaption {
  font-size: 12px;
  font-style: italic;
  color: #6b7280;
  margin-top: 8px;
  text-align: center;
}

/* ==========================================================================
   10. STORAGE / RECONSTITUTION ICON BLOCKS
   ========================================================================== */

.single-product .woocommerce-Tabs-panel .wp-block-columns {
  gap: 32px;
  margin: 32px 0;
  align-items: stretch;
  padding-top: 32px;
  border-top: 1px solid #e5e7eb;
}

.single-product .woocommerce-Tabs-panel .wp-block-columns:first-of-type {
  border-top: none;
  padding-top: 0;
}

/* All spacers in description panel are redundant — section spacing handled by CSS */
.single-product .woocommerce-Tabs-panel .wp-block-spacer {
  display: none;
}

.single-product .woocommerce-Tabs-panel .wp-block-column {
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  text-align: left;
  align-self: stretch;
  display: flex;
  flex-direction: column;
}

.single-product .woocommerce-Tabs-panel .wp-block-column img {
  border-radius: 2px;
  box-shadow: none;
}

/* Collapse margins inside columns */
.single-product .woocommerce-Tabs-panel .wp-block-column > figure,
.single-product .woocommerce-Tabs-panel .wp-block-column > .wp-block-image {
  margin: 0;
}

/* Image-only columns: figure fills column, image covers */
.single-product .woocommerce-Tabs-panel .wp-block-column > figure:only-child,
.single-product .woocommerce-Tabs-panel .wp-block-column > .wp-block-image:only-child {
  flex: 1;
  min-height: 0;
}

.single-product .woocommerce-Tabs-panel .wp-block-column > figure:only-child img {
  height: 100%;
  object-fit: cover;
  margin: 0;
}

/* Table figures expand to fill remaining column space */
.single-product .woocommerce-Tabs-panel .wp-block-column > figure.wp-block-table {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin: 0;
  min-height: 0;
}

.single-product .woocommerce-Tabs-panel .wp-block-column > figure.wp-block-table table {
  flex: 1;
  margin: 0;
}

/* Section headings inside columns — tighter spacing */
.single-product .woocommerce-Tabs-panel .wp-block-column > h2 {
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: 0.03em;
}

/* Paragraphs inside content columns — compact below heading */
.single-product .woocommerce-Tabs-panel .wp-block-column > p {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.55;
  color: #6b7280;
}

/* Figure captions inside columns */
.single-product .woocommerce-Tabs-panel .wp-block-column figcaption {
  font-size: 11px;
  line-height: 1.4;
  color: #9ca3af;
  margin-top: 8px;
  padding: 0 4px;
}

/* Lists inside columns — compact to match column typography */
.single-product .woocommerce-Tabs-panel .wp-block-column > ul {
  margin: 4px 0 0;
  padding-left: 18px;
}

.single-product .woocommerce-Tabs-panel .wp-block-column > ul li {
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 4px;
  color: #6b7280;
}

/* ── Grid comparison block (Lyophilized / Reconstituted) ── */
.single-product .woocommerce-Tabs-panel .wp-block-group.is-layout-grid {
  grid-template-columns: 130px 1fr !important;
  grid-template-rows: auto auto !important;
  grid-auto-flow: column !important;
  gap: 20px 24px !important;
  align-items: center;
  padding: 24px !important;
  background: #eef1f6;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  margin: 24px 0 32px;
}

/* Unwrap figure + juxtapose so images participate in the outer grid */
.single-product .woocommerce-Tabs-panel .wp-block-group.is-layout-grid .wp-block-jetpack-image-compare,
.single-product .woocommerce-Tabs-panel .wp-block-group.is-layout-grid .wp-block-jetpack-image-compare .juxtapose {
  display: contents;
}

/* Images in grid: circular with matching background */
.single-product .woocommerce-Tabs-panel .wp-block-group.is-layout-grid img {
  border: none !important;
  box-shadow: none !important;
  margin: 0 auto;
  display: block;
  width: 120px;
  height: 120px;
  object-fit: contain;
  border-radius: 50%;
  background: #eef1f6;
}

/* Text paragraphs inside grid — compact, styled */
.single-product .woocommerce-Tabs-panel .wp-block-group.is-layout-grid > p {
  font-size: 13px;
  line-height: 1.55;
  color: #374151;
  margin: 0;
}

/* Bold lead text in grid paragraphs */
.single-product .woocommerce-Tabs-panel .wp-block-group.is-layout-grid > p strong {
  font-size: 14px;
  font-weight: 700;
  color: #111827;
}

/* Italic text in grid paragraphs — subtle emphasis */
.single-product .woocommerce-Tabs-panel .wp-block-group.is-layout-grid > p em {
  font-style: italic;
  color: #6b7280;
  font-size: 12px;
}

/* ==========================================================================
   11. LISTS — neutral markers
   ========================================================================== */

.single-product .woocommerce-Tabs-panel ul {
  margin: 12px 0 20px;
  padding-left: 20px;
}

.single-product .woocommerce-Tabs-panel ul li {
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: #374151;
}

.single-product .woocommerce-Tabs-panel ul li::marker {
  color: #374151;
}

/* ==========================================================================
   12. RELATED PRODUCTS — structural divider
   ========================================================================== */

.single-product .related.products {
  margin-top: 0;
  padding: 48px 0;
  border-top: 2px solid #dde2e9;
}

.single-product .related.products > h2 {
  font-size: 22px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 28px;
}

.single-product .related.products ul.products li.product {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  padding: 16px;
  transition: box-shadow 0.15s ease;
}

.single-product .related.products ul.products li.product:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.single-product .related.products ul.products li.product a img {
  border-radius: 2px;
  margin-bottom: 12px;
}

.single-product .related.products ul.products li.product .woocommerce-loop-product__title {
  font-size: 14px;
  font-weight: 600;
  color: #111827;
}

.single-product .related.products ul.products li.product .price {
  font-size: 14px;
  font-weight: 700;
  color: #374151;
}

/* ==========================================================================
   13. MOBILE RESPONSIVE (≤ 900px)
   ========================================================================== */

@media (max-width: 900px) {
  .single-product div.product .product-gallery-summary {
    flex-direction: column;
    gap: 24px;
    padding: 20px 0 32px;
  }

  .single-product .woocommerce-product-gallery {
    width: 100%;
    float: none;
    padding: 0;
    border-radius: 2px;
  }

  .single-product div.product .summary {
    width: 100%;
    float: none;
  }

  .single-product div.product .product_title {
    font-size: 26px;
  }

  .single-product div.product .summary > .price {
    font-size: 24px;
  }

  .single-product div.product .lonestar-buy-box {
    padding: 16px;
    border-radius: 4px;
  }

  /* Increase vertical spacing between sections */
  .single-product div.product .woocommerce-tabs {
    margin-top: 32px;
  }

  .single-product div.product .woocommerce-tabs ul.tabs li a {
    padding: 12px 16px;
    font-size: 13px;
  }

  /* Grid comparison block stacks on mobile */
  .single-product .woocommerce-Tabs-panel .wp-block-group.is-layout-grid {
    grid-template-columns: 1fr !important;
    padding: 16px;
  }

  .single-product .woocommerce-Tabs-panel .wp-block-group.is-layout-grid .wp-block-jetpack-image-compare {
    max-width: 240px;
    margin: 0 auto;
  }

  /* Tables scroll on mobile */
  .single-product .woocommerce-Tabs-panel table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .single-product .woocommerce-Tabs-panel table thead,
  .single-product .woocommerce-Tabs-panel table tbody,
  .single-product .woocommerce-Tabs-panel table tr,
  .single-product .woocommerce-Tabs-panel table th,
  .single-product .woocommerce-Tabs-panel table td {
    min-width: 120px;
  }

  /* Increase vertical spacing between data blocks */
  .single-product .woocommerce-Tabs-panel h2 {
    margin-top: 32px;
  }

  .single-product .woocommerce-Tabs-panel h3 {
    margin-top: 24px;
  }
}

/* ── Small phones (≤ 480px) ── */
@media (max-width: 480px) {
  .single-product .woocommerce-product-gallery {
    padding: 0;
    border-radius: 0;
    display: block;
  }

  .single-product div.product .product_title {
    font-size: 24px;
  }

  .single-product div.product .summary > .price {
    font-size: 22px;
  }

  .single-product div.product .lonestar-buy-box {
    padding: 16px;
    border-radius: 4px;
  }

  .single-product div.product .lonestar-buy-box button.single_add_to_cart_button.button.alt {
    min-height: 48px;
    font-size: 18px;
    border-radius: 4px;
  }

  .single-product div.product .woocommerce-tabs ul.tabs li a {
    padding: 10px 12px;
    font-size: 13px;
  }

  .single-product .woocommerce-Tabs-panel table {
    font-size: 13px;
  }

  .single-product .woocommerce-Tabs-panel table thead th,
  .single-product .woocommerce-Tabs-panel table tbody td {
    padding: 10px 12px;
  }
}

/* ==========================================================================
   14. REDUCED MOTION
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  @keyframes lonestar-tab-fade {
    from { opacity: 1; transform: none; }
    to { opacity: 1; transform: none; }
  }

  .single-product div.product .woocommerce-Tabs-panel {
    animation: none;
  }

  .lonestar-nudge {
    animation: none;
  }
}