/* =========================================================
   Mestre do Pano — shop.css
   Página de loja (listagem + filtros) e página de produto
   FASE 6.5B: animações, spinner custom, seletor dinâmico
   ========================================================= */

/* ---------- Cabeçalho de página simples ---------- */

.page-header {
  padding: var(--space-lg) 0 var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.page-header p { color: var(--color-ink-soft); }

/* ---------- Layout da loja: filtros + grelha ---------- */

.shop-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-lg);
  padding: var(--space-lg) 0 var(--space-xl);
  align-items: start;
}

.filters h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-primary);
}

.filter-group { margin-bottom: var(--space-md); }

.filter-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  color: var(--color-ink-soft);
  margin-bottom: 0.45rem;
  cursor: pointer;
}

.filter-group input[type="checkbox"] {
  accent-color: var(--color-primary);
}

.results-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
  font-size: 0.88rem;
  color: var(--color-ink-soft);
}

.results-bar select {
  font-family: var(--font-body);
  font-size: 0.88rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius);
}

.empty-state {
  padding: var(--space-lg) 0;
  color: var(--color-ink-soft);
}

/* ---------- Página de produto ---------- */

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  padding: var(--space-lg) 0 var(--space-xl);
}

.product-gallery .main-image {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
}

.product-gallery .main-image img { width: 100%; height: 100%; object-fit: cover; }

.product-info .sku {
  font-size: 0.82rem;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-xs);
}

.product-info .price {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.variant-select {
  margin: var(--space-sm) 0;
}

.variant-select label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.variant-options {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.variant-options button {
  font-family: var(--font-body);
  font-size: 0.88rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius);
  cursor: pointer;
}

.variant-options button[aria-pressed="true"] {
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
}

.qty-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

/* Spinner numérico custom (Fase 6.5B): botões [-] [N] [+] */
.qty-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  width: 2.4rem;
  height: 2.4rem;
  font-size: 1.2rem;
  font-family: var(--font-body);
  color: var(--color-primary);
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
  padding: 0;
  border-radius: var(--radius);
}

.qty-btn:hover:not(:disabled) {
  background: var(--color-bg);
  border-color: var(--color-primary);
}

.qty-btn:disabled {
  color: var(--color-border);
  cursor: not-allowed;
  opacity: 0.6;
}

.qty-input {
  width: 3.2rem;
  text-align: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-ink);
  background: var(--color-surface);
  padding: 0.5rem;
}

.product-meta {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-size: 0.88rem;
  color: var(--color-ink-soft);
}

.product-meta dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem var(--space-sm);
  margin: 0;
}

.product-meta dt { font-weight: 600; color: var(--color-ink); }
.product-meta dd { margin: 0; }

/* ---------- Descrição do produto (Fase 6.5B — abaixo do botão) ---------- */

.product-description {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  color: var(--color-ink-soft);
  white-space: pre-line;
}

/* ---------- Accordion de avisos (Fase 6.5B: discreto no rodapé) ---------- */

.product-accordion {
  margin-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-sm);
}

.product-accordion summary {
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-ink-soft);
  list-style: none;
}

.product-accordion summary::-webkit-details-marker { display: none; }

.product-accordion summary::before {
  content: '+ ';
  color: var(--color-accent);
  font-weight: 700;
}

.product-accordion[open] summary::before {
  content: '– ';
}

.product-accordion .additional-info {
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--color-ink-soft);
  white-space: pre-line;
}

/* ---------- Galeria estilo Temu: miniaturas (Fase 6.5B: fade-in, preload) ---------- */

.product-gallery .main-image img {
  transition: opacity 0.15s ease;
}

.gallery-thumbs {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.6rem;
  overflow-x: auto;
  padding-bottom: 0.2rem;
}

.gallery-thumb {
  flex: 0 0 auto;
  width: 3.6rem;
  height: 3.6rem;
  padding: 0;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

.gallery-thumb:hover,
.gallery-thumb.is-active {
  border-color: var(--color-primary);
}

/* ---------- Seletor de variações (Fase 6.5B: dinâmico) ---------- */

.variation-selector {
  margin: var(--space-md) 0;
}

.variation-selector-label {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  margin-bottom: 0.5rem;
}

.variation-selector-label strong {
  color: var(--color-ink);
}

.variation-options {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

/* Swatches de cor (círculos) */

.variation-swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  width: 3.6rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  padding: 0;
}

.variation-swatch-circle {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: var(--swatch-color);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.variation-swatch:hover:not(:disabled) .variation-swatch-circle {
  transform: scale(1.06);
}

.variation-swatch.is-selected .variation-swatch-circle {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 3px var(--color-primary);
}

.variation-swatch-label {
  font-size: 0.72rem;
  color: var(--color-ink-soft);
  text-align: center;
  line-height: 1.2;
}

.variation-swatch.is-out-of-stock {
  cursor: not-allowed;
}

.variation-swatch.is-out-of-stock .variation-swatch-circle {
  opacity: 0.4;
  border-style: dashed;
  background-image: repeating-linear-gradient(45deg, rgba(0,0,0,0.12) 0 3px, transparent 3px 6px);
}

/* Pills de quantidade */

.variation-pill {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.55rem 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 999px;
  cursor: pointer;
  color: var(--color-ink);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.variation-pill:hover:not(:disabled) {
  border-color: var(--color-primary);
}

.variation-pill.is-selected {
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
  background: var(--color-bg);
}

.variation-pill.is-out-of-stock {
  border-style: dashed;
  color: var(--color-ink-soft);
  opacity: 0.6;
  cursor: not-allowed;
}

.variation-pill-esgotado {
  font-size: 0.72rem;
  color: var(--color-accent);
}

@media (max-width: 860px) {
  .shop-layout { grid-template-columns: 1fr; }
  .filters {
    display: flex;
    gap: var(--space-lg);
    overflow-x: auto;
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
  }
  .product-detail { grid-template-columns: 1fr; }
}