/* ============================================
   Product page — catalog chrome + soft-blue accents
   ============================================ */

.product-page {
  background: #f7f9fc;
}

.product-hero {
  position: relative;
  padding: var(--space-xl) 0 var(--space-3xl);
  background:
    linear-gradient(180deg, #ffffff 0%, #e8f2fb 38%, #dce5f2 100%);
  overflow: hidden;
}

.product-hero::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: var(--color-blue);
  opacity: 0.07;
  top: -160px;
  right: -120px;
  pointer-events: none;
  animation: product-float 14s ease-in-out infinite;
}

.product-hero::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: var(--color-blue-dark);
  opacity: 0.06;
  bottom: -80px;
  left: 8%;
  pointer-events: none;
  animation: product-float 10s ease-in-out infinite reverse;
}

@keyframes product-float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(18px, -14px); }
}

.product-hero > .container {
  position: relative;
  z-index: 1;
}

.product-loading,
.product-error {
  margin: 0;
  padding: var(--space-3xl) 0;
  text-align: center;
  color: var(--color-gray-600);
  font-size: 16px;
}

.product-error {
  color: var(--color-error);
}

.product-error a {
  color: var(--color-blue);
  font-weight: 600;
  text-decoration: underline;
}

/* Breadcrumbs */
.product-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
  font-size: 13px;
  color: var(--color-gray-600);
  margin-bottom: var(--space-lg);
}

.product-breadcrumbs a {
  color: var(--color-blue);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.product-breadcrumbs a:hover {
  text-decoration: underline;
}

.product-breadcrumbs__sep {
  color: var(--color-gray-400);
}

.product-breadcrumbs__current {
  color: var(--color-gray-800);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: min(320px, 50vw);
}

/* Main layout — gallery + info (merniki structure) */
.product-layout {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
  animation: fadeInUp 0.55s cubic-bezier(0.4, 0, 0.2, 1) both;
}

/* Gallery: vertical thumbs + main */
.product-gallery {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.product-gallery__thumbs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
  margin: 0;
}

.product-gallery__thumb {
  width: 62px;
  height: 62px;
  padding: 3px;
  border: 2px solid transparent;
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  overflow: hidden;
  flex-shrink: 0;
  line-height: 0;
  transition: border-color var(--transition-fast);
}

.product-gallery__thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 7px;
}

.product-gallery__thumb:hover {
  border-color: rgba(1, 50, 142, 0.45);
}

.product-gallery__thumb.is-active {
  border-color: var(--color-blue);
}

.product-gallery__thumb:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 2px;
}

.product-gallery__main {
  flex: 1;
  min-width: 0;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(1, 50, 142, 0.08);
  box-shadow: var(--shadow-sm);
}

.product-gallery__img,
.product-gallery__main img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: var(--space-md);
}

.product-gallery__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-blue);
  opacity: 0.45;
  padding: var(--space-xl);
}

.product-gallery__placeholder span {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-gray-600);
  opacity: 1;
}

/* Info column */
.product-info {
  min-width: 0;
}

.product-info__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 10px;
}

.product-info__article {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-gray-500);
}

.product-info__stock {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

.product-info__stock.in-stock {
  background: #e6f4ea;
  color: var(--color-success);
}

.product-info__title {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-black);
  margin: 0 0 var(--space-md);
  letter-spacing: -0.02em;
}

.product-info__price-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  padding: 14px 0 18px;
  border-top: 1px solid rgba(8, 9, 11, 0.08);
  margin-bottom: var(--space-md);
}

.product-info__price {
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 800;
  color: var(--color-blue);
  letter-spacing: -0.03em;
  line-height: 1;
}

.product-info__price-note {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-gray-500);
}

.product-info__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.product-qty {
  display: inline-flex;
  align-items: center;
  border: 1.5px solid var(--color-gray-300);
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-white);
  height: 46px;
}

.product-qty__btn {
  width: 40px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 600;
  color: var(--color-gray-600);
  background: var(--color-gray-50);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.product-qty__btn:hover {
  background: var(--color-blue-ghost);
  color: var(--color-blue);
}

.product-qty__input {
  width: 48px;
  height: 100%;
  border: none;
  border-left: 1.5px solid var(--color-gray-300);
  border-right: 1.5px solid var(--color-gray-300);
  text-align: center;
  font-weight: 700;
  font-size: 15px;
  outline: none;
  background: #fff;
  -moz-appearance: textfield;
}

.product-qty__input::-webkit-outer-spin-button,
.product-qty__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.product-info__cart {
  flex: 1;
  min-width: 180px;
  height: 46px;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.product-info__cart svg {
  flex-shrink: 0;
}

.product-info__cart:disabled {
  opacity: 0.7;
  cursor: wait;
  transform: none;
}

.product-info__consult {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 14px 0 0;
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--color-blue-ghost);
  border: 1px solid rgba(1, 50, 142, 0.1);
  font-size: 14px;
  color: var(--color-gray-700);
  line-height: 1.4;
}

.product-info__consult svg {
  flex-shrink: 0;
  color: var(--color-blue);
}

.product-info__consult a {
  color: var(--color-blue);
  font-weight: 700;
  text-decoration: none;
}

.product-info__consult a:hover {
  text-decoration: underline;
}

/* Specs inside info column */
.product-specs-block {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1.5px solid rgba(8, 9, 11, 0.08);
}

.product-specs-block__title {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gray-600);
}

.product-specs {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.product-specs__row {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 12px 20px;
  margin: 0;
  padding: 11px 0;
  border-bottom: 1px solid rgba(8, 9, 11, 0.06);
  font-size: 14px;
  line-height: 1.45;
}

.product-specs__row:last-child {
  border-bottom: none;
}

.product-specs__row dt {
  margin: 0;
  font-weight: 500;
  color: var(--color-gray-600);
}

.product-specs__row dd {
  margin: 0;
  font-weight: 600;
  color: var(--color-gray-900);
}

/* Details (description below) */
.product-details {
  margin-top: var(--space-2xl);
  display: grid;
  gap: var(--space-lg);
  animation: fadeInUp 0.55s cubic-bezier(0.4, 0, 0.2, 1) 0.08s both;
}

.product-panel {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(1, 50, 142, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.product-panel__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-blue);
}

.product-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-gray-700);
  white-space: pre-wrap;
}

/* Also bought */
.product-related {
  margin-top: var(--space-2xl);
  animation: fadeInUp 0.55s cubic-bezier(0.4, 0, 0.2, 1) 0.14s both;
}

.product-related__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: var(--space-lg);
}

.product-related__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
}

.product-related-card {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(1, 50, 142, 0.1);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
  color: inherit;
}

.product-related-card:hover {
  border-color: var(--color-blue);
  box-shadow: var(--shadow-md);
}

.product-related-card__image {
  aspect-ratio: 4 / 3;
  background: linear-gradient(160deg, #f7fafd 0%, #e8f0fb 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--color-gray-100);
}

.product-related-card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-sm);
}

.product-related-card__body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.product-related-card__article {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-500);
}

.product-related-card__name {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-black);
}

.product-related-card__price {
  margin-top: auto;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-blue);
}

@media (max-width: 1024px) {
  .product-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .product-gallery {
    max-width: 560px;
  }

  .product-related__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .product-hero {
    padding: var(--space-lg) 0 var(--space-2xl);
  }

  .product-gallery {
    flex-direction: column-reverse;
    max-width: none;
  }

  .product-gallery__thumbs {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .product-gallery__thumb {
    width: 54px;
    height: 54px;
  }

  .product-info__price {
    font-size: 28px;
  }

  .product-info__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .product-info__cart {
    width: 100%;
  }

  .product-qty {
    width: 100%;
    justify-content: space-between;
  }

  .product-qty__input {
    flex: 1;
  }

  .product-specs__row {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .product-related__grid {
    grid-template-columns: 1fr;
  }
}