/* ============================================================
   MYM ODONTOLOGÍA — Estilos de la Tienda
   Requiere: variables.css, global.css, components.css
   (breadcrumb vive en components.css; aquí van layout, grid,
   sidebar de filtros, tarjeta de producto, modal y toast)
   ============================================================ */

/* ----------------------------------------------------------
   HERO INTERNO
   ---------------------------------------------------------- */
.tienda-hero {
  padding-top: calc(var(--nav-height) + var(--space-10));
}

.tienda-hero h1 {
  font-size: clamp(2.2rem, 4.5vw, var(--text-5xl));
  line-height: 1.1;
  margin-block: var(--space-3) var(--space-4);
}

.tienda-lead {
  max-width: 560px;
  font-size: var(--text-lg);
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-text-hero-subtitle);
}

.tienda-lead strong {
  color: var(--color-accent);
  font-weight: 600;
}

/* ----------------------------------------------------------
   LAYOUT: SIDEBAR + GRID
   ---------------------------------------------------------- */
.tienda__layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--space-10);
  align-items: start;
}

.tienda__sidebar {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-4));
}

/* ----------------------------------------------------------
   FILTROS
   ---------------------------------------------------------- */
.filtros__group {
  border: none;
  padding: 0;
  margin-bottom: var(--space-6);
}

.filtros__legend {
  padding: 0;
  margin-bottom: var(--space-3);
  font-weight: 600;
  color: var(--color-text-dark);
}

.filtros__categorias {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.filtros__categoria {
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border: none;
  border-radius: var(--radius-md);
  background-color: transparent;
  color: var(--color-text-body-light);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.filtros__categoria:hover {
  color: var(--color-accent);
}

.filtros__categoria.is-active {
  background-color: rgba(201, 169, 110, 0.12);
  color: var(--color-text-dark);
  font-weight: 600;
}

.filtros__range {
  width: 100%;
  accent-color: var(--color-accent);
}

.filtros__precio-label {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-meta-light);
}

.filtros__check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-body-light);
  cursor: pointer;
}

.filtros__check input {
  accent-color: var(--color-accent);
}

/* ----------------------------------------------------------
   TOOLBAR (conteo + ordenar)
   ---------------------------------------------------------- */
.tienda__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.tienda__count {
  font-size: var(--text-sm);
  color: var(--color-text-meta-light);
}

.tienda__orden {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-body-light);
}

.tienda__orden select {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-light);
  color: var(--color-text-dark);
}

/* ----------------------------------------------------------
   GRID + TARJETA DE PRODUCTO
   ---------------------------------------------------------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

.product-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-arch);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-card);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.product-card__media {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  padding: 0;
  border: none;
  background-color: var(--color-bg-neutral);
  cursor: pointer;
  overflow: hidden;
}

.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.product-card:hover .product-card__media img {
  transform: scale(1.04);
}

.product-card.is-agotado .product-card__media img {
  opacity: 0.6;
}

.product-card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background-color: var(--color-text-dark);
  color: var(--color-text-light);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
}

.product-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex-grow: 1;
  padding: var(--space-5);
}

.product-card__rating {
  color: var(--color-accent);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
}

.product-card__rating span {
  color: var(--color-text-meta-light);
  letter-spacing: normal;
}

.product-card__name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1.4;
  color: var(--color-text-dark);
}

.product-card__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-2);
}

.price-now {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text-dark);
}

.price-was {
  font-size: var(--text-sm);
  color: var(--color-text-meta-light);
  text-decoration: line-through;
}

.product-card__actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.product-card__actions .btn {
  flex: 1;
}

.product-empty {
  grid-column: 1 / -1;
  padding: var(--space-12) 0;
  text-align: center;
  color: var(--color-text-meta-light);
}

/* ----------------------------------------------------------
   MODAL DE VISTA RÁPIDA
   ---------------------------------------------------------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.modal[hidden] {
  display: none;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(5, 10, 18, 0.6);
  backdrop-filter: blur(2px);
  animation: modal-backdrop-in 200ms ease-out;
}

.modal__panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  max-width: 760px;
  max-height: 90vh;
  overflow: auto;
  background-color: var(--color-bg-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  /* Los modales escalan desde el centro (no anclan a un trigger).
     El JS alterna [hidden]: la animación dispara en cada apertura. */
  animation: modal-panel-in 220ms var(--ease-out-strong);
}

@keyframes modal-backdrop-in {
  from { opacity: 0; }
}

@keyframes modal-panel-in {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
}

.modal__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 2;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.85);
  color: var(--color-text-dark);
  font-size: 1.1rem;
}

.modal__media {
  /* Blanco: se funde con el lienzo blanco de las fotos de producto */
  background-color: var(--color-bg-light);
}

.modal__media img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: contain;
}

.modal__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-8);
}

.modal__rating {
  color: var(--color-accent);
  font-size: var(--text-sm);
}

.modal__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.modal__desc {
  color: var(--color-text-body-light);
  line-height: 1.7;
}

.modal__stock {
  font-size: var(--text-sm);
  color: var(--color-text-meta-light);
}

.modal__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

/* ----------------------------------------------------------
   TOAST (confirmaciones breves)
   ---------------------------------------------------------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: var(--space-8);
  z-index: 120;
  max-width: 90%;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  text-align: center;
  opacity: 0;
  transform: translateX(-50%) translateY(20px);
  /* Salida (este estado): más rápida que la entrada — el sistema responde ágil */
  transition: opacity 200ms ease, transform 200ms ease;
}

.toast[hidden] {
  display: none;
}

.toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  /* Entrada: un poco más presente, con curva fuerte */
  transition: opacity 300ms var(--ease-out-strong), transform 300ms var(--ease-out-strong);
}

/* ----------------------------------------------------------
   RESPONSIVE
   ---------------------------------------------------------- */
@media (max-width: 900px) {
  .tienda__layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .tienda__sidebar {
    position: static;
  }

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

  .modal__panel {
    grid-template-columns: 1fr;
  }

  .modal__media img {
    min-height: 200px;
    max-height: 240px;
  }
}

@media (max-width: 640px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   DETALLE DE PRODUCTO (producto.html)
   ============================================================ */
/* Estas páginas no tienen hero oscuro: dan aire bajo la navbar fija */
.producto-detalle,
.carrito {
  padding-top: calc(var(--nav-height) + var(--space-8));
}

.producto__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.producto__main {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  /* Blanco: se funde con el lienzo blanco de las fotos de producto */
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-card);
}

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

.producto__thumbs {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.producto__thumb {
  width: 72px;
  height: 72px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-light);
  cursor: pointer;
}

.producto__thumb.is-active {
  border-color: var(--color-accent);
}

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

.producto__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.producto__rating {
  color: var(--color-accent);
  font-size: var(--text-sm);
}

.producto__rating span {
  color: var(--color-text-meta-light);
}

.producto__name {
  font-size: clamp(1.6rem, 3.5vw, var(--text-4xl));
  line-height: 1.2;
}

.producto__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.producto__price .price-now {
  font-size: var(--text-3xl);
}

.producto__desc {
  color: var(--color-text-body-light);
  line-height: 1.8;
}

.producto__stock {
  font-size: var(--text-sm);
  color: var(--color-text-meta-light);
}

.producto__buy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.producto__nota {
  font-size: var(--text-sm);
  color: var(--color-gold-text);
}

/* Selector de cantidad (compartido producto/carrito) */
.qty {
  display: inline-flex;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-pill);
}

.qty__btn {
  width: 40px;
  height: 44px;
  border: none;
  background-color: transparent;
  color: var(--color-text-dark);
  font-size: var(--text-xl);
  cursor: pointer;
}

.qty__btn:not(:disabled):active {
  transform: scale(0.92);
  transition: transform 120ms var(--ease-out-strong);
}

.qty__btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.qty__input {
  width: 48px;
  height: 44px;
  text-align: center;
  border: none;
  border-inline: 1px solid var(--color-border-light);
  -moz-appearance: textfield;
}

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

/* Estado vacío / no encontrado (versión base; se unifica en Paso 12) */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  max-width: 520px;
  margin: var(--space-12) auto;
  text-align: center;
}

.empty-state p {
  color: var(--color-text-body-light);
}

.relacionados__title {
  margin-bottom: var(--space-10);
  text-align: center;
}

.product-card--link {
  text-decoration: none;
  color: inherit;
}

/* ============================================================
   CARRITO (carrito.html)
   ============================================================ */
.carrito__title {
  margin-bottom: var(--space-8);
}

.carrito__layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-10);
  align-items: start;
}

.carrito__items {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.carrito-item {
  display: grid;
  grid-template-columns: 88px 1fr auto auto auto;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-card);
}

.carrito-item__media {
  display: block;
  width: 88px;
  height: 88px;
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-light);
}

.carrito-item__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.carrito-item__name {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
}

.carrito-item__name a {
  color: var(--color-text-dark);
}

.carrito-item__unit {
  font-size: var(--text-sm);
  color: var(--color-text-meta-light);
}

.carrito-item__subtotal {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text-dark);
}

.carrito-item__remove {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-text-meta-light);
}

.carrito-item__remove:hover {
  color: var(--color-error);
  background-color: rgba(231, 76, 60, 0.08);
}

.carrito__resumen {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-4));
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  background-color: var(--color-bg-neutral);
  border-radius: var(--radius-card);
}

.carrito__resumen-title {
  font-size: var(--text-xl);
}

.carrito__line {
  display: flex;
  justify-content: space-between;
  color: var(--color-text-body-light);
}

.carrito__line--total {
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-light);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text-dark);
}

.carrito__notas {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-body-light);
}

.carrito__notas textarea {
  padding: var(--space-3);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-light);
  font-family: var(--font-body);
}

.carrito__checkout {
  width: 100%;
}

.carrito__nota-pago {
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-text-meta-light);
}

@media (max-width: 900px) {
  .producto__layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .carrito__layout {
    grid-template-columns: 1fr;
  }

  .carrito__resumen {
    position: static;
  }
}

@media (max-width: 640px) {
  .carrito-item {
    grid-template-columns: 72px 1fr auto;
    grid-template-areas:
      "media info remove"
      "media qty sub";
    column-gap: var(--space-3);
  }

  .carrito-item__media {
    grid-area: media;
    width: 72px;
    height: 72px;
  }

  .carrito-item__info { grid-area: info; }
  .carrito-item__remove { grid-area: remove; align-self: start; justify-self: end; }
  .carrito-item .qty { grid-area: qty; }
  .carrito-item__subtotal { grid-area: sub; align-self: center; text-align: right; }
}