/* ============================================================
   RoidOcean — Single product (PDP)   [ro-product.css]
   Depends on ro-tokens.css (vars) + ro-card.css (related grid).
   ============================================================ */

.ro-pdp { padding-top: 24px; }

/* ---- breadcrumb ---- */
.ro-pdp-crumbs {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: var(--ro-fs-sm); color: var(--ro-muted); margin-bottom: 16px;
}
.ro-pdp-crumbs a { color: var(--ro-muted); }
.ro-pdp-crumbs a:hover { color: var(--ro-orange); }
.ro-pdp-crumbs .ro-crumb-sep { color: var(--ro-line); }
.ro-pdp-crumbs [aria-current] { color: var(--ro-navy); font-weight: var(--ro-fw-semi); }

/* ---- trust row ---- */
.ro-pdp-trust {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  background: var(--ro-section-bg);
  border: 1px solid var(--ro-line-soft);
  border-radius: var(--ro-radius);
  padding: 14px 18px; margin-bottom: 28px;
}
.ro-trust-item { display: flex; align-items: center; gap: 12px; }
.ro-trust-item i { color: var(--ro-orange); font-size: 20px; width: 24px; text-align: center; }
.ro-trust-item span { display: flex; flex-direction: column; line-height: 1.25; font-size: var(--ro-fs-sm); color: var(--ro-muted); }
.ro-trust-item strong { color: var(--ro-navy); font-size: var(--ro-fs-base); font-weight: var(--ro-fw-semi); }

/* ---- main two-column ---- */
.ro-pdp-main {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 40px; align-items: start; margin-bottom: 40px;
}
@media (max-width: 900px){ .ro-pdp-main { grid-template-columns: 1fr; gap: 28px; } }

/* ---- gallery ---- */
.ro-pdp-gallery { position: sticky; top: 90px; }
@media (max-width: 900px){ .ro-pdp-gallery { position: static; } }
.ro-pdp-stage {
  position: relative;
  background: #fff; border: 1px solid var(--ro-line-soft);
  border-radius: var(--ro-radius-lg); box-shadow: var(--ro-shadow-sm);
  aspect-ratio: 1 / 1; display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.ro-pdp-img { width: 100%; height: 100%; object-fit: contain; padding: 40px; cursor: zoom-in; transition: transform .3s; }
.ro-pdp-stage.is-zoomed .ro-pdp-img { transform: scale(1.6); cursor: zoom-out; }
.ro-pdp-flag { position: absolute; top: 14px; left: 14px; z-index: 2; }
.ro-pdp-labtest { position: absolute; top: 14px; right: 14px; z-index: 2; background: var(--ro-navy); color: #fff; }
.ro-pdp-stage .ro-pdp-labtest { }

.ro-pdp-thumbs { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.ro-pdp-thumb {
  width: 68px; height: 68px; border-radius: var(--ro-radius-sm);
  border: 1px solid var(--ro-line); background: #fff; cursor: pointer; padding: 6px;
  transition: border-color .18s;
}
.ro-pdp-thumb img { width: 100%; height: 100%; object-fit: contain; }
.ro-pdp-thumb.is-active, .ro-pdp-thumb:hover { border-color: var(--ro-orange); }

/* ---- summary ---- */
.ro-pdp-brandlink { color: var(--ro-orange); font-weight: var(--ro-fw-semi); font-size: var(--ro-fs-sm); }
.ro-pdp-brandlink:hover { color: var(--ro-orange-600); }
.ro-pdp-title { font-size: var(--ro-fs-2xl); margin: 6px 0 10px; line-height: 1.15; }
@media (max-width: 640px){ .ro-pdp-title { font-size: var(--ro-fs-xl); } }

.ro-pdp-rating { min-height: 18px; margin-bottom: 16px; font-size: var(--ro-fs-sm); }
.ro-pdp-rating .ro-stars { color: var(--ro-orange); letter-spacing: 1px; }
.ro-pdp-rating .ro-rating-count { color: var(--ro-muted); margin-left: 6px; }
.ro-pdp-rating .ro-rating-none { color: var(--ro-muted); }

/* spec rows */
.ro-pdp-specrows { margin: 0 0 18px; border-top: 1px solid var(--ro-line-soft); }
.ro-specrow {
  display: grid; grid-template-columns: 140px 1fr; gap: 12px;
  padding: 10px 0; border-bottom: 1px solid var(--ro-line-soft); align-items: center;
}
.ro-specrow dt { font-size: var(--ro-fs-xs); font-weight: var(--ro-fw-bold); letter-spacing: .04em; color: var(--ro-muted); margin: 0; }
.ro-specrow dd { margin: 0; font-size: var(--ro-fs-base); color: var(--ro-ink); display: flex; align-items: center; gap: 8px; }
.ro-specrow dd .ro-flag { width: 20px; height: 15px; border-radius: 3px; }
.ro-specrow dd a { color: var(--ro-navy); font-weight: var(--ro-fw-medium); }
.ro-specrow dd a:hover { color: var(--ro-orange); }

/* price bar */
.ro-pdp-pricebar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 14px; flex-wrap: wrap; }
.ro-pdp-price { display: flex; flex-direction: column; gap: 2px; }
.ro-price-cur { font-size: var(--ro-fs-3xl); font-weight: var(--ro-fw-bold); color: var(--ro-navy); line-height: 1; }
@media (max-width: 640px){ .ro-price-cur { font-size: var(--ro-fs-2xl); } }
.ro-pdp-unitline { font-size: var(--ro-fs-sm); color: var(--ro-muted); }
.ro-pdp-unitline[hidden] { display: none; }

.ro-stock { display: inline-flex; align-items: center; gap: 6px; font-size: var(--ro-fs-sm); font-weight: var(--ro-fw-semi); }
.ro-instock { color: #059669; }
.ro-instock i { color: #10b981; }
.ro-oos { color: #b91c1c; }

.ro-pdp-flags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.ro-pdp-flags .ro-badge-bulk { background: var(--ro-amber-50); color: var(--ro-amber-600); box-shadow: none; border: 1px solid #fde68a; }
.ro-pdp-flags .ro-pdp-labtest { position: static; background: var(--ro-navy); color: #fff; }

/* ---- pack selector ---- */
.ro-pdp-packs { margin: 4px 0 20px; }
.ro-pdp-packs-head { font-size: var(--ro-fs-md); font-weight: var(--ro-fw-bold); color: var(--ro-navy); margin-bottom: 12px; }
.ro-pdp-packs-head span { display: block; font-size: var(--ro-fs-sm); font-weight: var(--ro-fw-normal); color: var(--ro-muted); margin-top: 2px; }
.ro-pack-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.ro-pack {
  position: relative; text-align: center; cursor: pointer;
  background: #fff; border: 1.5px solid var(--ro-line);
  border-radius: var(--ro-radius); padding: 16px 10px 12px;
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  transition: border-color .16s, box-shadow .16s, background .16s;
  font-family: var(--ro-font);
}
.ro-pack:hover { border-color: var(--ro-orange); }
.ro-pack.is-active { border-color: var(--ro-orange); background: var(--ro-amber-50); box-shadow: var(--ro-shadow-sm); }
.ro-pack-disc {
  position: absolute; top: -9px; right: -6px;
  background: var(--ro-orange); color: #fff; font-size: 10px; font-weight: var(--ro-fw-bold);
  padding: 2px 7px; border-radius: var(--ro-radius-full);
}
.ro-pack-name { font-size: var(--ro-fs-base); font-weight: var(--ro-fw-bold); color: var(--ro-navy); }
.ro-pack-free { font-size: 10px; font-weight: var(--ro-fw-bold); color: #059669; letter-spacing: .02em; }
.ro-pack-unit { font-size: var(--ro-fs-sm); color: var(--ro-muted); margin-top: 2px; }
.ro-pack.is-active .ro-pack-unit { color: var(--ro-orange-600); font-weight: var(--ro-fw-semi); }

/* ---- qty + add ---- */
.ro-pdp-buy { display: flex; gap: 12px; align-items: stretch; margin-bottom: 12px; }
.ro-qty { display: inline-flex; align-items: center; border: 1.5px solid var(--ro-line); border-radius: var(--ro-radius-sm); overflow: hidden; flex-shrink: 0; }
.ro-qty-btn { width: 44px; border: 0; background: #fff; color: var(--ro-navy); font-size: 20px; cursor: pointer; line-height: 1; transition: background .15s; }
.ro-qty-btn:hover { background: var(--ro-section-bg); color: var(--ro-orange); }
.ro-qty-input { width: 52px; text-align: center; border: 0; border-inline: 1px solid var(--ro-line); font-size: var(--ro-fs-base); font-weight: var(--ro-fw-semi); color: var(--ro-navy); -moz-appearance: textfield; }
.ro-qty-input::-webkit-outer-spin-button, .ro-qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.ro-pdp-add { font-size: var(--ro-fs-md); padding: 14px 20px; }
.ro-pdp-add.roc-loading { opacity: .7; pointer-events: none; }

.ro-pdp-bonus { display: flex; align-items: center; gap: 8px; font-size: var(--ro-fs-sm); color: var(--ro-ink-soft); background: var(--ro-section-bg); border-radius: var(--ro-radius-sm); padding: 10px 14px; margin: 4px 0 0; }
.ro-pdp-bonus i { color: var(--ro-orange); }

/* ---- out of stock / back-in-stock ---- */
.ro-pdp-oos-box { border: 1px solid var(--ro-line); border-radius: var(--ro-radius); padding: 20px; background: var(--ro-section-bg); }
.ro-pdp-oos-box h3 { color: #b91c1c; margin: 0 0 6px; }
.ro-pdp-oos-box p { color: var(--ro-ink-soft); font-size: var(--ro-fs-sm); margin: 0 0 12px; }
.ro-bis-form { display: flex; gap: 10px; flex-wrap: wrap; }
.ro-bis-form input[type=email] { flex: 1; min-width: 200px; border: 1.5px solid var(--ro-line); border-radius: var(--ro-radius-sm); padding: 11px 14px; font-family: var(--ro-font); font-size: var(--ro-fs-base); }
.ro-bis-form input[type=email]:focus { outline: none; border-color: var(--ro-orange); }
.ro-bis-ok { color: #059669 !important; font-weight: var(--ro-fw-semi); margin-top: 10px !important; }

/* ---- tabs ---- */
.ro-pdp-tabs { margin: 8px 0 40px; }
.ro-tab-bar { display: flex; gap: 4px; border-bottom: 2px solid var(--ro-line-soft); flex-wrap: wrap; }
.ro-tab {
  border: 0; background: transparent; cursor: pointer;
  font-family: var(--ro-font); font-size: var(--ro-fs-base); font-weight: var(--ro-fw-semi);
  color: var(--ro-muted); padding: 12px 18px; position: relative; bottom: -2px;
  border-bottom: 2px solid transparent; transition: color .16s, border-color .16s;
}
.ro-tab:hover { color: var(--ro-navy); }
.ro-tab.is-active { color: var(--ro-navy); border-bottom-color: var(--ro-orange); }
.ro-tab-panel { display: none; padding: 22px 2px; }
.ro-tab-panel.is-active { display: block; }

.ro-spec-table { width: 100%; border-collapse: collapse; max-width: 640px; }
.ro-spec-table th, .ro-spec-table td { text-align: left; padding: 11px 14px; font-size: var(--ro-fs-base); border-bottom: 1px solid var(--ro-line-soft); }
.ro-spec-table th { width: 200px; color: var(--ro-muted); font-weight: var(--ro-fw-semi); background: var(--ro-section-bg); }
.ro-spec-table td { color: var(--ro-ink); }

/* reviews */
.ro-rev-empty { color: var(--ro-muted); }
.ro-reviews { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 18px; }
.ro-review { border-bottom: 1px solid var(--ro-line-soft); padding-bottom: 18px; }
.ro-review-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.ro-review-author { font-weight: var(--ro-fw-semi); color: var(--ro-navy); }
.ro-review-verified { font-size: var(--ro-fs-xs); color: #059669; font-weight: var(--ro-fw-semi); }
.ro-review-date { font-size: var(--ro-fs-xs); color: var(--ro-muted); margin-left: auto; }
.ro-review-stars { color: var(--ro-orange); font-size: var(--ro-fs-sm); letter-spacing: 1px; }
.ro-review-body { color: var(--ro-ink-soft); font-size: var(--ro-fs-base); margin-top: 4px; }

/* description */
.ro-pdp-desc { margin-bottom: 40px; }
.ro-prose { color: var(--ro-ink-soft); font-size: var(--ro-fs-base); line-height: 1.7; }
.ro-prose p { margin: 0 0 1em; }
.ro-prose strong { color: var(--ro-navy); }

/* popular searches */
.ro-pdp-popular { margin-bottom: 40px; }
.ro-pdp-popular h3 { font-size: var(--ro-fs-md); margin-bottom: 12px; }
.ro-pop-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.ro-pop-chip {
  display: inline-flex; align-items: center;
  background: var(--ro-section-bg); border: 1px solid var(--ro-line-soft);
  border-radius: var(--ro-radius-full); padding: 7px 16px;
  font-size: var(--ro-fs-sm); color: var(--ro-navy); font-weight: var(--ro-fw-medium);
  transition: background .16s, color .16s, border-color .16s;
}
.ro-pop-chip:hover { background: var(--ro-orange); color: #fff; border-color: var(--ro-orange); }

/* related — reuses ro-card + home carousel primitives; ensure track behaves here too */
.ro-pdp-related .ro-car-viewport { overflow: hidden; }
.ro-pdp-related .ro-car-track { display: flex; gap: 16px; overflow-x: auto; scroll-behavior: smooth; scrollbar-width: none; padding-bottom: 4px; }
.ro-pdp-related .ro-car-track::-webkit-scrollbar { display: none; }
.ro-pdp-related .ro-car-cell { flex: 0 0 auto; width: 220px; }
@media (max-width: 640px){ .ro-pdp-related .ro-car-cell { width: 60vw; } }