/* ==========================================================================
   PÁGINA DE DETALHES DO PRODUTO (PDP)
   Galeria à esquerda (fixa ao rolar no desktop) + informações à direita.
   Fundo claro via .theme-light.
   ========================================================================== */

.pdp {
  padding-top: calc(var(--header-h) + var(--space-5));
}

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-size: var(--fs-xs);
  color: var(--text-subtle);
}

/* Área de toque maior no celular (≥ 40px de altura) sem mudar o espaço visual */
.breadcrumb a {
  display: inline-block;
  padding: 12px 6px;
  margin: -12px -6px;
}

.breadcrumb a:hover {
  color: var(--text);
  text-decoration: underline;
}

.breadcrumb [aria-current] {
  color: var(--text);
  font-weight: 600;
}

/* ---------- Grid principal ---------- */

/* Enquanto o produto carrega, reserva a altura da tela (evita "pulo" do rodapé) */
.pdp__grid[aria-busy="true"] {
  min-height: 100vh;
}

/* minmax(0, …) impede que conteúdo largo (título, galeria) estique a coluna */
.pdp__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  padding-bottom: var(--space-8);
}

@media (min-width: 960px) {
  .pdp__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: var(--space-9);
    align-items: start;
  }

  .pdp-gallery {
    position: sticky;
    top: calc(var(--header-h) + var(--space-5));
  }

  /* Em telas largas a imagem não passa da altura da tela */
  .pdp-gallery__main {
    max-height: calc(100vh - var(--header-h) - 80px);
  }

  /* Miniaturas empilhadas à esquerda da foto principal */
  .pdp-gallery--thumbs {
    grid-template-columns: 80px minmax(0, 1fr);
    align-items: start;
  }

  .pdp-gallery--thumbs .pdp-gallery__thumbs {
    grid-column: 1;
    grid-row: 1;
    flex-direction: column;
    max-height: calc(100vh - var(--header-h) - 80px);
    overflow-x: hidden;
    overflow-y: auto;
  }

  .pdp-gallery--thumbs .pdp-gallery__main {
    grid-column: 2;
    grid-row: 1;
  }

  .pdp-gallery--thumbs .pdp-gallery__thumb {
    width: 76px;
    height: 76px;
  }
}

/* ---------- Galeria ---------- */

.pdp-gallery {
  display: grid;
  gap: var(--space-3);
}

.pdp-gallery__main {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface);
}

.pdp-gallery__main {
  position: relative;
  cursor: zoom-in;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.pdp-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform-origin: var(--zx, 50%) var(--zy, 50%);
  transition: transform 0.25s var(--ease);
  animation: pdp-fade var(--dur) var(--ease);
}

.pdp-gallery__main.is-zoomed {
  cursor: zoom-in;
}

.pdp-gallery__main:focus-visible {
  outline: 2px solid var(--navy-700);
  outline-offset: 2px;
}

.pdp-gallery__main.is-zoomed img {
  transform: scale(var(--zoom, 2.5));
  transition: transform 0.2s var(--ease);
}

@keyframes pdp-fade {
  from { opacity: 0; }
}

.pdp-gallery__thumbs {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  scrollbar-width: thin;
}

.pdp-gallery__thumb {
  flex: none;
  width: 72px;
  height: 72px;
  overflow: hidden;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--surface);
  opacity: 0.6;
  transition: opacity var(--dur-fast), border-color var(--dur-fast);
}

.pdp-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.pdp-gallery__thumb:hover,
.pdp-gallery__thumb.is-active {
  opacity: 1;
}

.pdp-gallery__thumb.is-active {
  border-color: var(--navy-900);
}

/* ---------- Informações ---------- */

.pdp-info__meta {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-subtle);
}

.pdp-info__title {
  margin-block: var(--space-2);
  font-family: var(--font-body);
  font-size: clamp(1.4rem, 1.1rem + 1.2vw, 2rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  overflow-wrap: break-word;
}

.pdp-info__sku {
  font-size: var(--fs-xs);
  color: var(--text-subtle);
}

.pdp-info__prices {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.pdp-gallery__promo {
  top: var(--space-3);
  left: var(--space-3);
  padding: 6px 12px;
  font-size: 12px;
  pointer-events: none;
}

.pdp-free {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px dashed #9fb3d9;
  border-radius: var(--radius-sm);
  background: #f3f6fc;
  color: #031d5a;
  font-size: var(--fs-sm);
  line-height: 1.4;
}

.pdp-free .icon {
  flex: none;
}

.pdp-free.is-reached {
  border: 1px solid #a6dcb9;
  background: #ecf9f0;
  color: #146c34;
}

/* Atalho para a calculadora de material (tinta, tijolo, cimento, argamassa…) */
.pdp-calc {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--navy-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.pdp-info__unit {
  margin-top: var(--space-1);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.pdp-info__price {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 800;
}

.pdp-info__prices .price-old {
  font-size: var(--fs-base);
}

/* Estoque */
.pdp-stock {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-5);
  font-size: var(--fs-sm);
  font-weight: 600;
}

.pdp-stock__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

/* Tons escurecidos para contraste ≥ 4.5:1 no branco */
.pdp-stock--in { color: #157a43; }
.pdp-stock--low { color: #a8530a; }
.pdp-stock--out { color: #c0392b; }

/* Compra */
.pdp-buy {
  display: flex;
  gap: var(--space-3);
  margin-block: var(--space-5) var(--space-3);
}

.pdp-buy__add {
  flex: 1;
  min-width: 0;
}

/* Celular: botão mais compacto para caber ao lado da quantidade */
@media (max-width: 479px) {
  .pdp-buy__add {
    padding-inline: var(--space-3);
    font-size: var(--fs-xs);
    letter-spacing: 0.08em;
  }
}

.pdp-buy__add:disabled,
.pdp-buy .qty button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.qty--lg {
  margin-top: 0;
  border-radius: var(--radius-sm);
}

.qty--lg button {
  width: 44px;
  height: 54px;
}

.qty--lg span {
  min-width: 36px;
  font-size: var(--fs-base);
}

/* Entrega / retirada / pagamento */
.pdp-delivery {
  display: grid;
  gap: var(--space-4);
  margin-block: var(--space-6);
  padding: var(--space-5);
  background: var(--surface);
  border-radius: var(--radius);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.pdp-delivery li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.pdp-delivery strong {
  color: var(--text);
}

.pdp-delivery .icon {
  color: var(--navy-900);
}

/* Accordion no tema claro */
.accordion--light .accordion__trigger {
  font-size: var(--fs-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.accordion--light .accordion__trigger:hover {
  color: var(--navy-700);
}

.accordion--light .accordion__item.is-open .accordion__icon {
  color: var(--on-accent);
}

.accordion--light .accordion__content p {
  padding-right: 0;
}

/* Ficha técnica */
.pdp-specs {
  padding-bottom: var(--space-5);
  font-size: var(--fs-sm);
}

.pdp-specs div {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-4);
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--border);
}

.pdp-specs dt {
  color: var(--text-subtle);
}

.pdp-specs dd {
  font-weight: 600;
}

/* Produto não encontrado */
.pdp-empty {
  grid-column: 1 / -1;
  display: grid;
  justify-items: center;
  gap: var(--space-4);
  padding-block: var(--space-9);
  text-align: center;
}

.pdp-empty h1 {
  font-size: var(--fs-2xl);
  text-transform: uppercase;
}

.pdp-empty p {
  color: var(--text-muted);
}

/* ---------- Relacionados ---------- */

.pdp-related {
  border-top: 1px solid var(--border);
}

/* ---------- Foto em tela cheia (clique na foto) ---------- */

.pdp-viewer {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-4);
  background: #fff;
  opacity: 0;
  transition: opacity 0.2s var(--ease);
}

.pdp-viewer.is-open {
  opacity: 1;
}

.pdp-viewer__stage {
  grid-column: 2;
  height: 100%;
  margin: 0;
  display: grid;
  place-items: center;
  min-height: 0;
}

.pdp-viewer__stage img {
  max-width: 100%;
  max-height: calc(100vh - 2 * var(--space-8));
  max-height: calc(100dvh - 2 * var(--space-8));
  object-fit: contain;
  user-select: none;
  animation: pdp-fade var(--dur) var(--ease);
}

.pdp-viewer__nav {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--navy-900);
  color: #fff;
  font-size: 34px;
  line-height: 1;
  padding-bottom: 4px;
  box-shadow: 0 6px 20px rgba(3, 29, 90, 0.25);
  transition: transform var(--dur-fast), background var(--dur-fast);
}

.pdp-viewer__nav:hover {
  background: var(--navy-700);
  transform: scale(1.06);
}

.pdp-viewer__nav--prev { grid-column: 1; }
.pdp-viewer__nav--next { grid-column: 3; }

.pdp-viewer__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #eef1f6;
  color: #031d5a;
  font-size: 22px;
  font-weight: 700;
}

.pdp-viewer__close:hover {
  background: #dfe4ec;
}

.pdp-viewer__count {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background: #eef1f6;
  color: #031d5a;
  font-size: var(--fs-sm);
  font-weight: 700;
}

/* No celular as setas ficam por cima da foto, nas bordas */
@media (max-width: 640px) {
  .pdp-viewer {
    grid-template-columns: minmax(0, 1fr);
    padding-inline: var(--space-2);
  }
  .pdp-viewer__stage { grid-column: 1; grid-row: 1; }
  .pdp-viewer__nav {
    position: absolute;
    top: 50%;
    width: 44px;
    height: 44px;
    font-size: 28px;
    transform: translateY(-50%);
    opacity: 0.85;
  }
  .pdp-viewer__nav:hover { transform: translateY(-50%); }
  .pdp-viewer__nav--prev { left: var(--space-2); }
  .pdp-viewer__nav--next { right: var(--space-2); }
}