/* ============================================================
   product.css — product detail page (rebuilt)
   Home/catalog design language: tokens, soft-shadow cards.
   All class hooks required by product-page.js are kept.
   ============================================================ */

.pd-shell {
  width: min(1600px, 100% - 40px);
  margin: 0 auto;
  padding: 0 0 80px;
}
.pd-shell .home-direct { max-width: 1600px; }

/* ---------- Main layout ---------- */
.wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 36px;
  align-items: start;
  margin: 28px auto 0;
}
@media (max-width: 920px) {
  .wrap { grid-template-columns: 1fr; }
}

/* ---------- Media column ---------- */
.media {
  align-self: stretch;
  background: var(--bg-page, #fff);
  border: 1px solid var(--border-soft, #eceff3);
  border-radius: var(--radius-xl, 24px);
  padding: 20px;
  box-shadow: var(--shadow-card, 0 2px 12px rgba(20, 21, 26, .06));
}
@media (max-width: 920px) {
  .media { position: static; }
}
.media .hero {
  margin: 0;
  border-radius: var(--radius-lg, 18px);
  overflow: hidden;
  background: var(--bg-soft, #f7f8fa);
  display: flex; align-items: center; justify-content: center;
  min-height: 280px;
}
.media .hero img {
  display: block; width: auto; max-width: 100%; height: auto;
  max-height: 480px;
  object-fit: contain;
}
/* ---------- Gallery (main + bottom thumb row) ---------- */
.gal { display: flex; flex-direction: column; gap: 12px; }
.gal-main { position: relative; order: 1; min-width: 0; }
.gal-thumbs {
  order: 2;
  display: flex; flex-direction: row; gap: 12px;
  overflow-x: auto; overflow-y: hidden;
  padding: 4px 2px 8px;
  scrollbar-width: thin;
  scroll-snap-type: x mandatory;
}
.gal-thumbs button {
  flex: 0 0 auto;
  width: 82px; height: 82px;
  padding: 6px;
  scroll-snap-align: start;
  border: 2px solid var(--border-soft, #eceff3);
  border-radius: var(--radius-md, 12px);
  background: #fff;
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--t-base, .25s) var(--ease, ease), transform var(--t-base, .25s) var(--ease, ease), box-shadow var(--t-base, .25s) var(--ease, ease);
}
.gal-thumbs button img {
  display: block; width: 100%; height: 100%;
  object-fit: contain;
  pointer-events: none;
}
.gal-thumbs button:hover { border-color: var(--pwg-red-border, #f3d3d3); transform: translateY(-2px); box-shadow: 0 6px 14px rgba(20, 21, 26, .1); }
.gal-thumbs button.is-active, .gal-thumbs button.active {
  border-color: var(--pwg-red, #e11d2a);
  box-shadow: 0 0 0 1px var(--pwg-red, #e11d2a), 0 6px 14px rgba(225, 29, 42, .16);
}
.gal-main .hero { cursor: zoom-in; }
.gal-main .hero img { transition: transform .18s var(--ease, ease); }
.gal-main.zooming .hero img { cursor: zoom-out; }
.gal-nav {
  position: absolute; top: 50%;
  transform: translateY(-50%);
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: 1px solid var(--border-soft, #eceff3);
  border-radius: 50%;
  background: rgba(255, 255, 255, .92);
  color: var(--ink, #14151a);
  font-size: 1.3rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--t-base, .25s) var(--ease, ease), transform var(--t-base, .25s) var(--ease, ease);
  box-shadow: 0 4px 14px rgba(20, 21, 26, .12);
}
.gal-main:hover .gal-nav, .gal-nav:focus-visible { opacity: 1; }
.gal-prev { left: 10px; }
.gal-next { right: 10px; }
.gal-nav:hover { transform: translateY(-50%) scale(1.08); }
.gal-nav[hidden] { display: none; }
.gal-count {
  position: absolute; left: 12px; bottom: 12px;
  padding: 4px 11px;
  font-size: .72rem; font-weight: 800; letter-spacing: .04em;
  color: #fff; background: rgba(20, 21, 26, .62);
  border-radius: 999px;
}
.gal-count:empty { display: none; }
.gal-expand {
  position: absolute; right: 12px; top: 12px;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--border-soft, #eceff3);
  border-radius: 12px;
  background: #fff;
  color: var(--ink, #14151a);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  opacity: 1;
  box-shadow: 0 4px 14px rgba(20, 21, 26, .14);
  transition: transform var(--t-base, .25s) var(--ease, ease), color var(--t-base, .25s) var(--ease, ease);
}
.gal-expand:hover { transform: scale(1.08); color: var(--pwg-red, #e11d2a); }
/* ---------- Lightbox ---------- */
.gal-lightbox[hidden] { display: none; }
.gal-lightbox {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: center; justify-content: center;
  background: rgba(10, 11, 15, .9);
  padding: 24px;
}
.gal-lightbox img {
  max-width: min(1100px, 92vw);
  max-height: 86vh;
  object-fit: contain;
  border-radius: 12px;
  background: #fff;
  padding: 12px;
}
.lb-close {
  position: absolute; top: 18px; right: 20px;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border: 0; border-radius: 50%;
  background: rgba(255, 255, 255, .14);
  color: #fff; font-size: 1.5rem;
  cursor: pointer;
  transition: background .2s var(--ease, ease), transform .2s var(--ease, ease);
}
.lb-close:hover { background: var(--pwg-red, #e11d2a); transform: scale(1.06); }
.lb-nav {
  position: absolute; top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border: 0; border-radius: 50%;
  background: rgba(255, 255, 255, .14);
  color: #fff; font-size: 1.7rem;
  cursor: pointer;
  transition: background .2s var(--ease, ease), transform .2s var(--ease, ease);
}
.lb-nav:hover { background: var(--pwg-red, #e11d2a); transform: translateY(-50%) scale(1.06); }
.lb-prev { left: 22px; }
.lb-next { right: 22px; }
.lb-count {
  position: absolute; bottom: 22px; left: 50%;
  transform: translateX(-50%);
  padding: 5px 14px;
  font-size: .78rem; font-weight: 800;
  color: #fff; background: rgba(255, 255, 255, .16);
  border-radius: 999px;
}
.lb-count:empty { display: none; }
@media (max-width: 640px) {
  .media .hero { min-height: 0; }
  .media .hero img { max-height: 320px; }
  .gal-thumbs button { width: 68px; height: 68px; }
  .gal-nav { opacity: 1; width: 34px; height: 34px; }
  .gal-lightbox { padding: 12px; }
  .gal-lightbox img { padding: 8px; max-height: 80vh; }
  .lb-prev { left: 8px; }
  .lb-next { right: 8px; }
  .lb-close { top: 12px; right: 12px; }
}

/* ---------- Info column ---------- */
.side {
  background: var(--bg-page, #fff);
  border: 1px solid var(--border-soft, #eceff3);
  border-radius: var(--radius-xl, 24px);
  padding: 30px 30px 26px;
  box-shadow: var(--shadow-card, 0 2px 12px rgba(20, 21, 26, .06));
}
@media (max-width: 480px) {
  .side { padding: 22px 18px 20px; }
}
.pd-title-row {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 14px;
}
.pd-title-row .title {
  margin: 0 0 8px;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 800; letter-spacing: -.02em; line-height: 1.15;
  color: var(--ink, #14151a);
  overflow-wrap: break-word;
}
.share-btn {
  flex: 0 0 auto;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--border, #e5e7eb);
  border-radius: 50%;
  background: var(--bg-page, #fff);
  color: var(--ink, #14151a);
  font-size: 1.1rem;
  cursor: pointer;
  transition: color var(--t-base, .25s) var(--ease, ease), border-color var(--t-base, .25s) var(--ease, ease), transform var(--t-base, .25s) var(--ease, ease);
}
.share-btn:hover { color: var(--pwg-red, #e11d2a); border-color: var(--pwg-red, #e11d2a); transform: translateY(-2px); }

.desc {
  margin: 0 0 14px;
  font-size: 1rem; line-height: 1.6;
  color: var(--text-secondary, #5b6472);
}
.badges {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 18px;
}
.badges .badge {
  padding: 6px 12px;
  font-size: .76rem; font-weight: 800;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--pwg-red, #e11d2a);
  background: var(--pwg-red-soft, #fff3f3);
  border: 1px solid var(--pwg-red-border, #f3d3d3);
  border-radius: var(--radius-pill, 999px);
}

.pd-price-row {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--border-soft, #eceff3);
}
.pd-price-row .price { flex: 1 1 auto; text-align: left; margin: 0; padding: 0; background: none; border: 0; }
.price .ex {
  font-size: clamp(2rem, 5vw, 2.6rem); font-weight: 900; letter-spacing: -.03em; line-height: 1;
  color: var(--ink, #14151a);
}
.price .price-text {
  font-size: clamp(1.1rem, 3vw, 1.4rem); font-weight: 800;
  color: var(--ink, #14151a);
}
.pd-price-row .price .price-val {
  font-size: clamp(2.1rem, 5vw, 2.7rem);
  font-weight: 900; letter-spacing: -.03em; line-height: 1;
  color: var(--pwg-red, #e11d2a);
  text-shadow: 0 1px 0 #fff;
}
.pd-price-row .price .price-text {
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 800; letter-spacing: -.01em;
  color: var(--ink, #14151a);
}

.circle-row { display: flex; gap: 8px; }

/* ---------- CTA ---------- */
.cta { margin: 6px 0 16px; }
.cta-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 480px) {
  .cta-row { grid-template-columns: 1fr; }
}
.btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 18px;
  border-radius: var(--radius-pill, 999px);
  font-size: .95rem; font-weight: 800;
  text-decoration: none;
  transition: background var(--t-base, .25s) var(--ease, ease),
              color var(--t-base, .25s) var(--ease, ease),
              transform var(--t-base, .25s) var(--ease, ease),
              box-shadow var(--t-base, .25s) var(--ease, ease);
}
.btn-buy {
  background: var(--pwg-red, #e11d2a);
  color: #fff;
  box-shadow: 0 8px 20px var(--pwg-red-glow, rgba(199, 12, 22, .28));
}
.btn-buy:hover { background: var(--pwg-red-hover, #c00c1a); transform: translateY(-2px); }
.btn-call {
  background: var(--bg-page, #fff);
  color: var(--ink, #14151a);
  border: 1.5px solid var(--border, #e5e7eb);
}
.btn-call:hover { border-color: var(--ink, #14151a); transform: translateY(-2px); }

/* ---------- Stock & delivery ---------- */
.pd-meta {
  display: flex; flex-wrap: wrap; gap: 10px 22px;
  padding: 12px 0;
  margin-bottom: 6px;
  border-top: 1px solid var(--border-soft, #eceff3);
  font-size: .92rem; font-weight: 600;
}
.stock { color: #15803d; }
.stock i { color: #15803d; }
.delivery { color: var(--text-secondary, #5b6472); }
.delivery i { color: var(--pwg-red, #e11d2a); }

/* ---------- Description box ---------- */
.desc-box {
  padding-top: 18px;
  border-top: 1px solid var(--border-soft, #eceff3);
}
.desc-box h2, .details .card h2 {
  display: flex; align-items: center; gap: 10px;
  margin: 0 0 12px;
  font-size: 1.1rem; font-weight: 800; letter-spacing: -.01em;
  color: var(--ink, #14151a);
}
.desc-box h2 i, .details .card h2 i { color: var(--pwg-red, #e11d2a); font-size: 1.25rem; }
.desc-box .body p { color: var(--text-secondary, #5b6472); }

/* ---------- Detailed info ---------- */
.details {
  margin-top: 36px;
}
.details .card {
  background: var(--bg-page, #fff);
  border: 1px solid var(--border-soft, #eceff3);
  border-radius: var(--radius-xl, 24px);
  padding: 28px 30px;
  box-shadow: var(--shadow-card, 0 2px 12px rgba(20, 21, 26, .06));
}
@media (max-width: 480px) {
  .details .card { padding: 20px 18px; }
}
.detail-body { color: var(--text-secondary, #5b6472); line-height: 1.7; }
#pdLongDesc { color: var(--text-secondary, #5b6472); line-height: 1.75; }
#pdLongDesc p { margin: 0 0 12px; }
#pdLongDesc p strong:first-child { color: var(--ink, #14151a); }
#pdLongDesc ul { list-style: none; padding: 0; margin: 4px 0 12px; }
#pdLongDesc li {
  margin: 0; padding: 10px 2px;
  border-bottom: 1px solid var(--border-soft, #eceff3);
  font-size: .92rem;
}
#pdLongDesc li:last-child { border-bottom: 0; }
#pdLongDesc li strong, #pdLongDesc li b { color: var(--ink, #14151a); font-weight: 800; }

/* ---------- Key spec tiles ---------- */
.pd-keys {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 4px 0 6px;
}
.pd-keys:empty { display: none; }
.pd-key {
  display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
  padding: 12px 13px;
  background: var(--bg-soft, #f7f8fa);
  border: 1px solid var(--border-soft, #eceff3);
  border-radius: var(--radius-md, 14px);
  min-width: 0;
}
.pd-key i {
  font-size: 1.2rem;
  color: var(--pwg-red, #e11d2a);
}
.pd-key b {
  font-size: .82rem; font-weight: 800; line-height: 1.3;
  color: var(--ink, #14151a);
  overflow-wrap: break-word;
}
.pd-key span {
  font-size: .68rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--text-muted, #8a92a0);
}
@media (max-width: 560px) {
  .pd-keys { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- Spec table ---------- */
.spec-table {
  display: grid;
  grid-template-columns: minmax(140px, 220px) 1fr;
  margin: 0 0 18px;
  border: 1px solid var(--border-soft, #eceff3);
  border-radius: var(--radius-md, 14px);
  overflow: hidden;
}
.spec-table:empty { display: none; }
.spec-table dt {
  padding: 11px 14px;
  font-size: .9rem; font-weight: 800;
  color: var(--ink, #14151a);
  border-bottom: 1px solid var(--border-soft, #eceff3);
}
.spec-table dd {
  margin: 0; padding: 11px 14px;
  font-size: .9rem; line-height: 1.6;
  color: var(--text-secondary, #5b6472);
  border-bottom: 1px solid var(--border-soft, #eceff3);
  overflow-wrap: break-word;
}
.spec-table dt:nth-last-of-type(1), .spec-table dd:last-of-type { border-bottom: 0; }
@media (max-width: 480px) {
  .spec-table { grid-template-columns: 1fr; }
  .spec-table dt { border-bottom: 0; padding-bottom: 0; }
  .spec-table dd { padding-top: 4px; }
}

/* ---------- Similar products ---------- */
.similar-wrap { margin-top: 48px; }
#similarList.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px; align-items: stretch; align-content: start;
}
@media (max-width: 1100px) { #similarList.product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 820px) { #similarList.product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { #similarList.product-grid { grid-template-columns: 1fr; } }
.similar-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 20px;
}
.similar-title {
  margin: 0;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 800; letter-spacing: -.02em;
  color: var(--ink, #14151a);
  position: relative;
}
.similar-title::after {
  content: ""; position: absolute;
  left: 0; bottom: -8px;
  width: 52px; height: 3px;
  border-radius: 99px;
  background: var(--pwg-red, #e11d2a);
}

/* ---------- Not found ---------- */
.notfound-note {
  display: flex; flex-direction: column; align-items: center;
  gap: 14px;
  padding: 70px 24px;
  background: var(--bg-page, #fff);
  border: 1px solid var(--border-soft, #eceff3);
  border-radius: var(--radius-xl, 24px);
  text-align: center;
  box-shadow: var(--shadow-card, 0 2px 12px rgba(20, 21, 26, .06));
}
.notfound-note .nf-icon { font-size: 3rem; color: var(--pwg-red, #e11d2a); }
.notfound-note h2 { margin: 0; font-size: 1.3rem; color: var(--ink, #14151a); }
.notfound-note p { margin: 0; color: var(--text-secondary, #5b6472); }

/* ---------- Share toast ---------- */
.share-toast {
  position: fixed; left: 50%; bottom: 30px;
  transform: translateX(-50%) translateY(10px);
  background: var(--ink, #14151a);
  color: #fff;
  padding: 11px 20px;
  border-radius: var(--radius-pill, 999px);
  font-size: .86rem; font-weight: 700;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .3);
  opacity: 0;
  transition: opacity .25s var(--ease, ease), transform .25s var(--ease, ease);
  z-index: 90;
  pointer-events: none;
}
.share-toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Sticky mobile CTA ---------- */
.pd-stickybar { display: none; }
@media (max-width: 920px) {
  .pd-stickybar {
    display: grid; grid-template-columns: 1fr 1.4fr; gap: 10px;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 55;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px));
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-soft, #eceff3);
    box-shadow: 0 -8px 24px rgba(20, 21, 26, .1);
  }
  .pd-stickybar .btn { padding: 12px 14px; font-size: .88rem; }
  .fab { bottom: calc(78px + env(safe-area-inset-bottom, 0px)); }
}

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
  .pd-shell { width: min(1600px, 100% - 24px); padding: 0 0 96px; }
  .wrap { gap: 18px; margin-top: 18px; }
  .media { padding: 12px; }
  .thumbs button { width: 64px; height: 52px; }
  .similar-wrap { margin-top: 34px; }
}

/* ---------- Similar all link ---------- */
.similar-all {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: .86rem; font-weight: 700;
  color: var(--pwg-red, #e11d2a);
  text-decoration: none; white-space: nowrap;
}
.similar-all:hover { text-decoration: underline; }