/* ============================================================
   product.css — single product layout, option/qty, add-to-cart
   ============================================================ */

.nt-product {
  padding-bottom: 24px;
}

.nt-product__gallery {
  border-radius: var(--nt-radius-card);
  overflow: hidden;
  background: #F4F2F9;
  aspect-ratio: 1 / 1;
  margin-bottom: 20px;
}
.nt-product__gallery img { width: 100%; height: 100%; object-fit: cover; }

.nt-product__header { margin-bottom: 18px; }
.nt-product__brand {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--nt-purple-dark);
}
.nt-product__title {
  font-family: var(--f-display);
  font-size: 24px;
  font-weight: 800;
  margin: 4px 0 8px;
}
.nt-product__price {
  font-family: var(--f-display);
  font-size: 22px;
  font-weight: 800;
}
.nt-product__row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: var(--nt-ink-soft);
  margin-top: 6px;
}
.nt-product__row .nt-stock { color: #1FAA59; font-weight: 700; }

.nt-product__desc {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--nt-ink-soft);
  margin: 18px 0 22px;
}

/* Option chips (size / strength) */
.nt-option-group { margin-bottom: 22px; }
.nt-option-group__label {
  font-size: 11px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--nt-ink-faint);
  margin-bottom: 10px;
}
.nt-option-chips { display: flex; gap: 10px; flex-wrap: wrap; }
.nt-option-chip {
  padding: 10px 18px;
  border-radius: 12px;
  border: 1.5px solid rgba(26, 21, 35, 0.08);
  background: var(--nt-white);
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
}
.nt-option-chip.is-selected {
  border-color: var(--nt-purple-dark);
  background: var(--nt-pill-bg);
  color: var(--nt-purple-dark);
}

/* Quantity stepper */
.nt-qty-stepper {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border-radius: var(--nt-radius-btn);
  border: 1.5px solid rgba(26, 21, 35, 0.08);
  overflow: hidden;
}
.nt-qty-stepper button {
  width: 44px; height: 44px;
  border: none;
  background: transparent;
  font-size: 18px;
  font-weight: 700;
  color: var(--nt-purple-dark);
  cursor: pointer;
}
.nt-qty-stepper input {
  width: 40px;
  height: 44px;
  border: none;
  text-align: center;
  font-weight: 700;
  font-size: 15px;
  -moz-appearance: textfield;
}
.nt-qty-stepper input::-webkit-outer-spin-button,
.nt-qty-stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* Sticky add-to-cart summary bar (mobile) */
.nt-addtocart-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(26, 21, 35, 0.08);
}
.nt-addtocart-bar__total { font-size: 13px; color: var(--nt-ink-soft); }
.nt-addtocart-bar__amount { font-family: var(--f-display); font-size: 18px; font-weight: 800; }

/* Product accordions (details / shipping) */
.nt-accordion { border-top: 1px solid rgba(26, 21, 35, 0.08); }
.nt-accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  background: none;
  border: none;
  font-weight: 700;
  font-size: 14.5px;
  cursor: pointer;
  color: var(--nt-ink);
}
.nt-accordion-trigger::after {
  content: '+';
  font-size: 18px;
  color: var(--nt-purple-dark);
  transition: transform 0.2s ease;
}
.nt-accordion-trigger.is-open::after { transform: rotate(45deg); }
.nt-accordion-panel { padding: 0 0 16px; font-size: 13.5px; color: var(--nt-ink-soft); line-height: 1.6; }

/* ── Fallback restyle for native WooCommerce single-product markup
   (gallery/price/rating/quantity/add-to-cart are left as WooCommerce's
   own templates so gallery zoom/lightbox JS keeps working — only
   restyled here, not overridden). ──────────────────────────────── */
.woocommerce-product-gallery { border-radius: var(--nt-radius-card); overflow: hidden; margin-bottom: 20px; }
.single-product .product_title { font-family: var(--f-display); font-size: 24px; font-weight: 800; margin: 4px 0 8px; }
.single-product p.price {
  font-family: var(--f-display); font-size: 22px; font-weight: 800; color: var(--nt-ink);
}
.single-product .woocommerce-product-rating { display: flex; align-items: center; gap: 10px; margin: 6px 0; font-size: 13.5px; color: var(--nt-ink-soft); }
.single-product .stock.in-stock { color: #1FAA59; font-weight: 700; font-size: 13.5px; }
.single-product .woocommerce-product-details__short-description { font-size: 14.5px; line-height: 1.6; color: var(--nt-ink-soft); margin: 18px 0 22px; }

.single-product form.cart .quantity input.qty {
  width: 60px; height: 44px; border-radius: var(--nt-radius-btn);
  border: 1.5px solid rgba(26, 21, 35, 0.08); text-align: center; font-weight: 700;
}
.single-product form.cart .single_add_to_cart_button.button {
  display: inline-flex !important; align-items: center; justify-content: center;
  height: 56px; padding: 0 28px; border-radius: var(--nt-radius-btn) !important;
  background: var(--nt-gradient) !important; color: #fff !important;
  font-weight: 700 !important; box-shadow: var(--nt-btn-shadow); border: none !important;
}
.single-product .variations td.label { font-size: 11px; letter-spacing: 1.2px; text-transform: uppercase; font-weight: 700; color: var(--nt-ink-faint); }
.single-product .variations select {
  height: 46px; border-radius: 12px; border: 1.5px solid rgba(26, 21, 35, 0.08); padding: 0 12px; font-family: var(--f-body);
}
.single-product .woocommerce-tabs ul.tabs { list-style: none; display: flex; gap: 20px; padding: 0; margin: 24px 0 0; border-bottom: 1px solid rgba(26, 21, 35, 0.08); }
.single-product .woocommerce-tabs ul.tabs li a { font-weight: 700; font-size: 14px; color: var(--nt-ink-faint); padding-bottom: 12px; display: inline-block; }
.single-product .woocommerce-tabs ul.tabs li.active a { color: var(--nt-purple-dark); border-bottom: 2px solid var(--nt-purple-dark); }
.single-product .woocommerce-tabs .panel { padding: 18px 0; font-size: 13.5px; color: var(--nt-ink-soft); line-height: 1.6; }
.single-product .related.products { margin-top: 40px; }
.single-product .related.products > h2 { font-family: var(--f-display); font-size: 20px; font-weight: 800; margin-bottom: 16px; }