/* ========================================
   nozhanshop | Product Detail Page
   ======================================== */

.product-detail-container {
  width: min(100% - 32px, 1280px);
  margin: 0 auto;
  padding: 28px 0 72px;
}

/* ---------- Breadcrumb ---------- */

.breadcrumb {
  margin-bottom: 28px;
  color: var(--color-text-muted, #747474);
  font-size: 0.85rem;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.breadcrumb a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--color-primary, #6f8f8a);
}

.breadcrumb a:focus-visible {
  border-radius: 3px;
  outline: 2px solid var(--color-primary, #6f8f8a);
  outline-offset: 3px;
}

.breadcrumb .separator {
  color: #b2b2b2;
}

.breadcrumb .current-item {
  max-width: 320px;
  overflow: hidden;
  color: var(--color-text, #2d3533);
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- Main Product Area ---------- */

.product-essential {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.85fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
  padding: clamp(20px, 3vw, 42px);
  background: #ffffff;
  border: 1px solid rgba(2, 128, 144, 0.12);
  border-radius: 20px;
  box-shadow: 0 8px 28px rgba(48, 67, 63, 0.05);
}

/* ---------- Gallery ---------- */

.product-gallery {
  width: 100%;
}

.main-image-wrapper {
  position: relative;
  display: flex;
  aspect-ratio: 1 / 1;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-background-soft, #f5f5f5);
  border-radius: 16px;
}

.product-main-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  transition: transform 0.45s ease;
}

.main-image-wrapper:hover .product-main-img {
  transform: scale(1.035);
}

/* ---------- Product Information ---------- */

.product-info-summary {
  min-width: 0;
  padding-top: 8px;
}

.product-category {
  margin: 0 0 10px;
  color: var(--color-primary, #6f8f8a);
  font-size: 0.85rem;
  font-weight: 600;
}

.product-title {
  margin: 0;
  color: var(--color-text, #2d3533);
  font-size: clamp(1.45rem, 2.4vw, 2.15rem);
  font-weight: 700;
  line-height: 1.75;
}

.product-brand,
.product-sku {
  margin: 14px 0 0;
  color: var(--color-text-muted, #747474);
  font-size: 0.9rem;
  line-height: 1.8;
}

.product-brand span {
  color: var(--color-text, #2d3533);
  font-weight: 600;
}

.product-sku span {
  display: inline-block;
  direction: ltr;
  font-family: Arial, sans-serif;
  font-size: 0.82rem;
}

/* ---------- Price ---------- */

.product-price-box {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 7px;
  margin-top: 28px;
  padding: 18px 0;
  border-top: 1px solid rgba(2, 128, 144, 0.12);
  border-bottom: 1px solid rgba(2, 128, 144, 0.12);
}

.price-label {
  color: var(--color-text-muted, #747474);
  font-size: 0.9rem;
}

.price-value {
  color: var(--color-primary-dark, #49645f);
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.4px;
}

.price-unit {
  color: var(--color-text, #2d3533);
  font-size: 0.9rem;
  font-weight: 500;
}

.price-unavailable {
  color: #946b2d;
  font-size: 0.95rem;
  font-weight: 600;
}

/* ---------- Stock ---------- */

.product-stock-status {
  margin-top: 15px;
  font-size: 0.88rem;
  font-weight: 600;
}

.status-instock {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #40786a;
}

.status-instock::before {
  width: 8px;
  height: 8px;
  content: "";
  background: #00a896;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(0, 168, 150, 0.12);
}

.status-outofstock {
  color: #a05d5d;
}

/* ---------- Short Description ---------- */

.product-short-desc {
  margin-top: 20px;
  color: var(--color-text-muted, #747474);
  font-size: 0.93rem;
  line-height: 2;
}

.product-short-desc p {
  margin: 0;
}

/* ---------- Actions / Quantity ---------- */

.product-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 12px;
  margin-top: 28px;
}

.quantity-selector {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid rgba(2, 128, 144, 0.3);
  border-radius: 10px;
}

.qty-btn {
  display: inline-flex;
  width: 43px;
  height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--color-primary-dark, #49645f);
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 1.3rem;
  line-height: 1;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.qty-btn:hover {
  color: #ffffff;
  background: var(--color-primary, #6f8f8a);
}

.qty-btn:focus-visible {
  position: relative;
  outline: 2px solid var(--color-primary-dark, #49645f);
  outline-offset: -3px;
}

#qty-input {
  width: 44px;
  height: 48px;
  padding: 0;
  color: var(--color-text, #2d3533);
  background: transparent;
  border: 0;
  border-right: 1px solid rgba(2, 128, 144, 0.2);
  border-left: 1px solid rgba(2, 128, 144, 0.2);
  outline: none;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  text-align: center;
  appearance: textfield;
  -moz-appearance: textfield;
}

#qty-input::-webkit-inner-spin-button,
#qty-input::-webkit-outer-spin-button {
  margin: 0;
  appearance: none;
}

#qty-input:focus {
  background: rgba(182, 233, 224, 0.16);
}

.add-to-cart-btn,
.disabled-btn {
  display: inline-flex;
  min-height: 50px;
  flex: 1;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  transition: transform 0.2s ease, background-color 0.2s ease,
    box-shadow 0.2s ease;
}

.add-to-cart-btn {
  color: #ffffff;
  background: var(--color-primary, #6f8f8a);
  border: 1px solid var(--color-primary, #6f8f8a);
  box-shadow: 0 7px 16px rgba(2, 128, 144, 0.18);
  cursor: pointer;
}

.add-to-cart-btn:hover {
  background: var(--color-primary-dark, #49645f);
  border-color: var(--color-primary-dark, #49645f);
  box-shadow: 0 9px 20px rgba(73, 100, 95, 0.24);
  transform: translateY(-2px);
}

.add-to-cart-btn:active {
  transform: translateY(0);
}

.add-to-cart-btn:focus-visible {
  outline: 3px solid rgba(2, 128, 144, 0.35);
  outline-offset: 3px;
}

.disabled-btn {
  flex: initial;
  color: #888888;
  background: #f5f5f5;
  border: 1px solid #e5e5e5;
  cursor: not-allowed;
}

/* ---------- Product Tabs ---------- */

.product-details-tabs {
  margin-top: 42px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid rgba(2, 128, 144, 0.12);
  border-radius: 20px;
  box-shadow: 0 8px 28px rgba(48, 67, 63, 0.04);
}

.tab-headers {
  display: flex;
  gap: 6px;
  padding: 0 26px;
  border-bottom: 1px solid rgba(2, 128, 144, 0.14);
}

.tab-link {
  position: relative;
  padding: 19px 10px 16px;
  color: var(--color-text-muted, #747474);
  background: transparent;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.94rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

.tab-link::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  content: "";
  background: transparent;
  border-radius: 3px 3px 0 0;
  transition: background-color 0.2s ease;
}

.tab-link:hover,
.tab-link.active {
  color: var(--color-primary-dark, #49645f);
}

.tab-link.active::after {
  background: var(--color-primary, #6f8f8a);
}

.tab-link:focus-visible {
  border-radius: 5px;
  outline: 2px solid var(--color-primary, #6f8f8a);
  outline-offset: -3px;
}

.tab-content {
  display: none;
  padding: clamp(24px, 4vw, 42px);
}

.tab-content.active {
  display: block;
}

.tab-content h2 {
  margin: 0 0 18px;
  color: var(--color-text, #2d3533);
  font-size: clamp(1.12rem, 1.7vw, 1.4rem);
  font-weight: 700;
  line-height: 1.8;
}

/* ---------- Long Description ---------- */

.product-description {
  color: var(--color-text-muted, #626b69);
  font-size: 0.96rem;
  line-height: 2.25;
}

.product-description > *:first-child {
  margin-top: 0;
}

.product-description > *:last-child {
  margin-bottom: 0;
}

.product-description p {
  margin: 0 0 16px;
}

/* ---------- Specifications ---------- */

.specs-table {
  width: 100%;
  overflow: hidden;
  border-spacing: 0;
  border: 1px solid rgba(2, 128, 144, 0.14);
  border-radius: 10px;
  border-collapse: separate;
  font-size: 0.92rem;
}

.specs-table th,
.specs-table td {
  padding: 15px 18px;
  text-align: right;
  vertical-align: middle;
}

.specs-table th {
  width: min(32%, 210px);
  color: var(--color-text, #2d3533);
  background: var(--color-background-soft, #f5f5f5);
  border-left: 1px solid rgba(2, 128, 144, 0.12);
  font-weight: 600;
}

.specs-table td {
  color: var(--color-text-muted, #626b69);
}

.specs-table tr:not(:last-child) th,
.specs-table tr:not(:last-child) td {
  border-bottom: 1px solid rgba(2, 128, 144, 0.12);
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .product-essential {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .product-info-summary {
    padding-top: 0;
  }

  .main-image-wrapper {
    max-width: 620px;
    margin: 0 auto;
  }
}

@media (max-width: 600px) {
  .product-detail-container {
    width: min(100% - 24px, 1280px);
    padding: 18px 0 48px;
  }

  .breadcrumb {
    margin-bottom: 18px;
    font-size: 0.8rem;
  }

  .breadcrumb .current-item {
    max-width: 180px;
  }

  .product-essential {
    gap: 24px;
    padding: 16px;
    border-radius: 14px;
  }

  .main-image-wrapper {
    border-radius: 12px;
  }

  .product-title {
    font-size: 1.35rem;
  }

  .product-price-box {
    margin-top: 22px;
    padding: 15px 0;
  }

  .product-actions {
    gap: 10px;
    margin-top: 22px;
  }

  .quantity-selector {
    min-height: 48px;
  }

  .qty-btn,
  #qty-input {
    height: 46px;
  }

  .qty-btn {
    width: 39px;
  }

  #qty-input {
    width: 40px;
  }

  .add-to-cart-btn {
    min-height: 48px;
    padding-right: 14px;
    padding-left: 14px;
  }

  .product-details-tabs {
    margin-top: 28px;
    border-radius: 14px;
  }

  .tab-headers {
    gap: 0;
    padding: 0 14px;
  }

  .tab-link {
    flex: 1;
    padding: 16px 6px 14px;
    font-size: 0.85rem;
    text-align: center;
  }

  .tab-content {
    padding: 24px 18px;
  }

  .product-description {
    font-size: 0.91rem;
    line-height: 2.1;
  }

  .specs-table {
    font-size: 0.85rem;
  }

  .specs-table th,
  .specs-table td {
    padding: 13px 10px;
  }

  .specs-table th {
    width: 40%;
  }
}

@media (max-width: 380px) {
  .product-actions {
    align-items: stretch;
  }

  .quantity-selector {
    width: 100%;
    justify-content: center;
  }

  .add-to-cart-btn {
    width: 100%;
    flex-basis: 100%;
  }
}

/* ---------- Reduced Motion Accessibility ---------- */

@media (prefers-reduced-motion: reduce) {
  .product-main-img,
  .add-to-cart-btn,
  .qty-btn,
  .tab-link,
  .breadcrumb a {
    transition: none;
  }

  .main-image-wrapper:hover .product-main-img,
  .add-to-cart-btn:hover {
    transform: none;
  }
}