/* =========================================================
   Nutribiótica – ATC nativo (cantidad + botón) (match sticky)
   ========================================================= */

/* Tokens básicos */
:root{
  --nutri-primary: #0b3557;
  --nutri-primary-contrast: #ffffff;
  --nutri-border: #d9e2ec;
}

/* ===== Fila principal ===== */
body.single-product .summary form.cart.nutri-atc-row-native,
body.single-product .summary form.cart .woocommerce-variation-add-to-cart.nutri-atc-row-native{
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  flex-wrap: nowrap !important;
  gap: 12px !important;
  width: 100% !important;
  margin: 8px 0 14px !important;
}

/* ===== Selector de cantidad ===== */
body.single-product .summary .nutri-qty{
  display: inline-flex !important;
  align-items: center !important;
  height: 42px !important;
  border: 1px solid var(--nutri-border) !important;
  border-radius: 9999px !important;
  background: #fff !important;
  padding: 0 4px !important;
  gap: 0 !important;
  box-shadow: 0 1px 2px rgba(0,0,0,.04) !important;
  flex: 0 0 auto !important;
}

body.single-product .summary .nutri-qty input.qty{
  width: 40px !important;
  height: 100% !important;
  margin: 0 6px !important;
  border: 0 !important;
  background: transparent !important;
  text-align: center !important;
  font-size: .95rem !important;
  font-weight: 600 !important;
  color: var(--nutri-primary) !important;
  line-height: 1 !important;
  -moz-appearance: textfield;
}
body.single-product .summary .nutri-qty input.qty::-webkit-outer-spin-button,
body.single-product .summary .nutri-qty input.qty::-webkit-inner-spin-button{
  -webkit-appearance: none;
  margin: 0;
}

body.single-product .summary .nutri-qty button{
  width: 32px !important;
  height: 32px !important;
  border: 0 !important;
  border-radius: 9999px !important;
  background: #f3f6f9 !important;
  color: var(--nutri-primary) !important;
  cursor: pointer !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  line-height: 1 !important;
  font-size: 16px !important;
  font-weight: 600 !important;
  transition: background .15s ease, transform .08s ease !important;
}
body.single-product .summary .nutri-qty button:hover{ background:#eaf0f6 !important; }

/* ===== Botón “Añadir al carrito” ===== */
body.single-product .summary .single_add_to_cart_button{
  flex: 1 1 0% !important;
  min-height: 46px !important;
  text-align: center !important;
  background: #56AA9D !important;
  color: var(--nutri-primary-contrast) !important;
  border: 0 !important;
  border-radius: 9999px !important;
  padding: 12px 22px !important;
  font-weight: 600 !important;
  letter-spacing: .02em !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 10px !important;
  box-shadow: 0 8px 18px rgba(11,53,87,.18) !important;
  transition: transform .08s ease, box-shadow .2s ease, opacity .2s ease, filter .2s ease !important;
}
body.single-product .summary .single_add_to_cart_button:hover{
  transform: translateY(-1px) !important;
  filter: brightness(0.96) !important;
}
body.single-product .summary .single_add_to_cart_button:disabled{
  opacity:.6 !important;
  cursor:not-allowed !important;
}

/* ===== Spinner ===== */
@keyframes nutri-spin{ to { transform: rotate(360deg); } }
body.single-product .summary .single_add_to_cart_button.is-loading{
  position: relative !important;
  opacity: .9 !important;
  pointer-events: none !important;
}
body.single-product .summary .single_add_to_cart_button.is-loading::after{
  content: "" !important;
  display: inline-block !important;
  width: 16px; height: 16px; margin-left: 10px; vertical-align: -3px;
  border-radius: 50% !important;
  border: 2px solid rgba(255,255,255,.35) !important;
  border-top-color: #fff !important;
  animation: nutri-spin .7s linear infinite !important;
}

/* ===== Responsivo refinado ===== */

/* Tablet: reducir gap y permitir salto limpio */
@media (max-width: 768px){
  body.single-product .summary form.cart.nutri-atc-row-native,
  body.single-product .summary form.cart .woocommerce-variation-add-to-cart.nutri-atc-row-native{
    flex-wrap: wrap !important;
    gap: 10px !important;
    justify-content: center !important;
  }
  body.single-product .summary .single_add_to_cart_button{
    flex: 0 1 auto !important;
    min-width: 260px !important;
  }
}

/* Teléfonos medianos (480–600 px): apilado limpio y centrado total */
@media (max-width: 600px){
  body.single-product .summary form.cart.nutri-atc-row-native{
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 12px !important;
  }
  body.single-product .summary .single_add_to_cart_button{
    width: 100% !important;
    max-width: 320px !important;
  }
}

/* Muy pequeño (<400 px): mantener proporción y no deformar botones */
@media (max-width: 400px){
  body.single-product .summary .nutri-qty{
    transform: scale(0.95);
  }
  body.single-product .summary .single_add_to_cart_button{
    width: 100% !important;
    min-width: unset !important;
  }
}