/* ============================================================
   Ortopedia9001 — estilos.css
   ------------------------------------------------------------
   ESTILOS PROPIOS DEL SITIO:
   - Importación de tipografía
   - Paleta de colores (variables CSS)
   - Clases de componentes reutilizables (botones, navegación,
     logo, tarjetas de categoría, botón flotante de WhatsApp)

   El layout, el espaciado y las utilidades responsive los
   maneja Tailwind CSS (CDN). Este archivo NO compite con
   Tailwind: concentra la identidad visual reutilizable.
   ============================================================ */

/* ---- Tipografía ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ---- Paleta del sitio ---- */
:root {
  --color-clinico: #f8fafc;        /* gris quirúrgico (slate-50) */
  --color-salud: #0284c7;          /* azul salud/médico (sky-600) */
  --color-salud-dark: #0369a1;     /* sky-700 */
  --color-salud-soft: #e0f2fe;     /* sky-100 */
  --color-whatsapp: #25d366;       /* verde WhatsApp */
  --color-whatsapp-dark: #1ebe5b;
  --color-ink: #0f172a;            /* slate-900 */
  --color-texto: #475569;          /* slate-600 */
  --color-borde: #e2e8f0;          /* slate-200 */
}

/* ---- Base ---- */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  background-color: var(--color-clinico);
  color: var(--color-texto);
  -webkit-font-smoothing: antialiased;
}

/* ---- Logo ---- */
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;   /* 40px */
  height: 2.5rem;  /* 40px */
  border-radius: 0.75rem;
  background-color: var(--color-salud);
  color: #ffffff;
  font-size: 1.125rem;
  font-weight: 800;
  line-height: 1;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.12);
  overflow: hidden;
}

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

/* ---- Navegación ---- */
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-texto);
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: var(--color-salud);
}

.nav-link--active {
  color: var(--color-salud);
  font-weight: 600;
}

/* ---- Botones ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 9999px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.btn--primary {
  background-color: var(--color-salud);
  color: #ffffff;
}

.btn--primary:hover {
  background-color: var(--color-salud-dark);
}

.btn--whatsapp {
  background-color: var(--color-whatsapp);
  color: #ffffff;
}

.btn--whatsapp:hover {
  background-color: var(--color-whatsapp-dark);
}

.btn--white {
  background-color: #ffffff;
  color: var(--color-salud-dark);
}

.btn--white:hover {
  background-color: var(--color-clinico);
}

/* ---- Etiqueta de sección ---- */
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-salud);
}

/* ---- Ícono de categoría / beneficio ---- */
.icon-tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;      /* 48px */
  height: 3rem;     /* 48px */
  border-radius: 0.75rem;
  background-color: var(--color-salud-soft);
  color: var(--color-salud);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.icon-tile--lg {
  width: 3.5rem;    /* 56px */
  height: 3.5rem;   /* 56px */
  border-radius: 1rem;
}

/* Al pasar el mouse sobre una tarjeta con clase "group",
   el ícono se rellena de azul salud. */
.group:hover .icon-tile {
  background-color: var(--color-salud);
  color: #ffffff;
}

/* ---- Botón flotante de WhatsApp ---- */
.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;    /* 56px */
  height: 3.5rem;   /* 56px */
  border-radius: 9999px;
  background-color: var(--color-whatsapp);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(37, 211, 102, 0.35);
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.whatsapp-float:hover {
  background-color: var(--color-whatsapp-dark);
  transform: scale(1.05);
}

/* ---- Pestañas del catálogo ---- */
.tab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-texto);
  background-color: #ffffff;
  border: 1px solid var(--color-borde);
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.tab-btn:hover {
  color: var(--color-salud);
  border-color: #7dd3fc;   /* sky-300 */
}

.tab-btn--active {
  background-color: var(--color-salud);
  border-color: var(--color-salud);
  color: #ffffff;
}

.tab-btn--active:hover {
  color: #ffffff;
}

/* ---- Tarjeta de producto ---- */
.product-card {
  display: flex;
  flex-direction: column;
  background-color: #ffffff;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--color-borde);
  transition: box-shadow 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
}

.product-card:hover {
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  transform: translateY(-2px);
  border-color: #7dd3fc;   /* sky-300 */
}

/* Zona de imagen del producto */
.product-card__media {
  position: relative;
  height: 11rem;          /* 176px */
}

.product-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Fondo usado cuando el producto todavía no tiene foto */
.product-card__fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Etiqueta de categoría sobre la imagen */
.product-card__badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ==========================================================
   ZOOM DE IMAGEN (LUPA) — página de detalle
   - Lupa circular que sigue el cursor ampliando 2.5x
   - Clic en la imagen abre la vista ampliada (lightbox)
   ========================================================== */

/* Contenedor de la imagen ampliable */
.product-zoom {
  position: relative;
  width: 100%;
  height: 100%;
  cursor: zoom-in;
  user-select: none;
  -webkit-user-select: none;
}

/* Lupa que sigue el cursor */
.product-zoom__lupa {
  position: absolute;
  width: 9rem;              /* 144px */
  height: 9rem;
  border-radius: 9999px;
  border: 3px solid #ffffff;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.35), 0 0 0 1px rgba(15, 23, 42, 0.1);
  background-repeat: no-repeat;
  pointer-events: none;
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 20;
  left: -999px;             /* oculta hasta el primer movimiento */
  top: -999px;
}

.product-zoom__lupa--visible {
  opacity: 1;
  transform: scale(1);
}

/* Chip "Ampliar" (sugerencia; el clic abre la vista ampliada) */
.product-zoom__chip {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  z-index: 15;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  background: rgba(15, 23, 42, 0.7);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 600;
  pointer-events: none;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* Lightbox de la imagen ampliada */
.product-zoom__overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(2, 6, 23, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.product-zoom__overlay-img {
  width: 100%;
  height: 100%;
  max-width: 900px;
  max-height: 85vh;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.product-zoom__overlay-cerrar {
  position: absolute;
  top: 1rem;
  right: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.product-zoom__overlay-cerrar:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* ---- Selector de cantidad (página de detalle) ---- */
.qty-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;    /* 40px */
  height: 2.5rem;   /* 40px */
  border-radius: 0.75rem;
  border: 1px solid var(--color-borde);
  background-color: #ffffff;
  color: var(--color-salud);
  font-size: 1.25rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.qty-btn:hover {
  background-color: var(--color-salud);
  border-color: var(--color-salud);
  color: #ffffff;
}

.qty-input {
  width: 3.5rem;    /* 56px */
  height: 2.5rem;   /* 40px */
  text-align: center;
  border: 1px solid var(--color-borde);
  border-radius: 0.75rem;
  background-color: #ffffff;
  color: var(--color-ink);
  font-weight: 700;
  appearance: textfield;
  -moz-appearance: textfield;
}

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

.qty-input:focus {
  outline: none;
  border-color: var(--color-salud);
}

/* ---- Tabla de especificaciones técnicas ---- */
.spec-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--color-borde);
  font-size: 0.875rem;
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-row dt {
  color: #64748b;   /* slate-500 */
  font-weight: 500;
}

.spec-row dd {
  color: var(--color-ink);
  font-weight: 600;
  text-align: right;
}

/* ============================================================
   CARRITO DE PEDIDOS (multi-producto)
   ------------------------------------------------------------
   Interfaz inyectada por assets/js/carrito.js:
   - Botón flotante con contador de unidades
   - Overlay + drawer lateral derecho
   - Lista de ítems con controles de cantidad
   - Toast de confirmación
   Los precios son referenciales (texto libre); nunca se
   calculan totales numéricos.
   ============================================================ */

/* ---- Botón flotante del carrito ---- */
.cart-float {
  position: fixed;
  right: 1.25rem;
  bottom: 6rem;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 9999px;
  background-color: var(--color-salud);
  color: #ffffff;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(2, 132, 199, 0.35);
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.cart-float:hover {
  background-color: var(--color-salud-dark);
  transform: scale(1.05);
}

/* Contador de unidades sobre el botón flotante */
.cart-float__badge {
  position: absolute;
  top: -0.25rem;
  right: -0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 0.25rem;
  border-radius: 9999px;
  background-color: var(--color-whatsapp);
  border: 2px solid #ffffff;
  color: #ffffff;
  font-size: 0.6875rem;
  font-weight: 700;
}

/* ---- Overlay del drawer ---- */
.cart-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  background-color: rgba(15, 23, 42, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.cart-overlay--visible {
  opacity: 1;
  visibility: visible;
}

/* ---- Drawer lateral ---- */
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 70;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 28rem;
  height: 100%;
  background-color: #ffffff;
  box-shadow: -10px 0 30px rgba(15, 23, 42, 0.15);
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.cart-drawer--open {
  transform: translateX(0);
}

.cart-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-borde);
}

.cart-drawer__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.75rem;
  color: var(--color-texto);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.cart-drawer__close:hover {
  background-color: var(--color-clinico);
  color: var(--color-salud);
}

.cart-drawer__body {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1.5rem;
}

.cart-drawer__footer {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--color-borde);
}

.cart-drawer__note {
  font-size: 0.75rem;
  color: var(--color-texto);
  text-align: center;
}

.cart-drawer__vaciar {
  align-self: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: #dc2626;
  cursor: pointer;
  transition: color 0.15s ease;
}

.cart-drawer__vaciar:hover {
  color: #b91c1c;
}

.cart-drawer__send {
  width: 100%;
  padding: 0.875rem 1.5rem;
  font-size: 0.9375rem;
}

/* ---- Total a pagar ---- */
.cart-drawer__total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0 0.25rem;
  border-top: 1px solid var(--color-borde);
}

.cart-drawer__total-label {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-ink);
}

.cart-drawer__total-val {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-salud);
}

/* ---- Consulta mayorista (solo a pedido del cliente) ---- */
.cart-drawer__mayorista {
  align-self: center;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-salud);
  cursor: pointer;
  transition: color 0.15s ease;
}

.cart-drawer__mayorista:hover {
  color: var(--color-salud-dark);
  text-decoration: underline;
}

/* ---- Método de pago ---- */
.cart-drawer__pago {
  padding: 0.75rem 0 0.25rem;
  border-top: 1px solid var(--color-borde);
}

.cart-drawer__pago-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
}

.cart-drawer__pago-opciones {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.cart-drawer__pago-opcion {
  padding: 0.625rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-texto);
  background: #ffffff;
  border: 1.5px solid var(--color-borde);
  border-radius: 0.75rem;
  cursor: pointer;
  text-align: center;
  transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.cart-drawer__pago-opcion:hover {
  border-color: var(--color-salud);
}

.cart-drawer__pago-opcion--activa {
  border-color: var(--color-salud);
  background-color: rgba(2, 132, 199, 0.08);
  color: var(--color-salud-dark);
}

/* ---- Combobox de método de pago ---- */
.cart-pago-combo {
  position: relative;
}

.cart-pago-combo__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-texto);
  background: #ffffff;
  border: 1.5px solid var(--color-borde);
  border-radius: 0.75rem;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.cart-pago-combo__trigger:hover {
  border-color: var(--color-salud);
}

.cart-pago-combo__trigger[aria-expanded="true"] {
  border-color: var(--color-salud);
}

.cart-pago-combo__valor {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.cart-pago-combo__chevron {
  width: 1rem;
  height: 1rem;
  color: var(--color-texto);
  transition: transform 0.15s ease;
}

.cart-pago-combo__trigger[aria-expanded="true"] .cart-pago-combo__chevron {
  transform: rotate(180deg);
}

.cart-pago-combo__panel {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 0.25rem);
  z-index: 30;
  background: #ffffff;
  border: 1px solid var(--color-borde);
  border-radius: 0.75rem;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.12);
  overflow: hidden;
}

.cart-pago-combo__opcion {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-texto);
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.cart-pago-combo__opcion:hover {
  background-color: rgba(2, 132, 199, 0.06);
}

.cart-pago-combo__opcion[aria-selected="true"] {
  color: var(--color-salud-dark);
  background-color: rgba(2, 132, 199, 0.08);
}

/* Badges de los métodos */
.cart-pago-logo {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  object-fit: contain;
  flex-shrink: 0;
}

.cart-pago-logo--img {
  border-radius: 0.375rem;
}

.cart-pago-logo--trans {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 9999px;
  background: #0284c7;
  color: #ffffff;
  flex-shrink: 0;
}

/* ---- Ítem del pedido ---- */
.cart-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--color-borde);
}

.cart-item:last-child {
  border-bottom: none;
}

/* ---- Miniatura del ítem ---- */
.cart-item__media {
  flex-shrink: 0;
}

.cart-item__img {
  display: block;
  width: 3.5rem;      /* 56px */
  height: 3.5rem;     /* 56px */
  border-radius: 0.75rem;
  object-fit: cover;
}

.cart-item__fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;      /* 56px */
  height: 3.5rem;     /* 56px */
  border-radius: 0.75rem;
}

.cart-item__info {
  flex: 1;
  min-width: 0;
}

.cart-item__nombre {
  color: var(--color-ink);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.3;
}

.cart-item__ref {
  margin-top: 0.125rem;
  color: #94a3b8;
  font-size: 0.6875rem;
  font-weight: 600;
}

.cart-item__precio {
  margin-top: 0.25rem;
  color: var(--color-texto);
  font-size: 0.75rem;
}

/* ---- Control de cantidad ---- */
.cart-qty {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.cart-qty-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border: 1px solid var(--color-borde);
  border-radius: 0.5rem;
  background-color: #ffffff;
  color: var(--color-salud);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.cart-qty-btn:hover {
  background-color: var(--color-salud);
  border-color: var(--color-salud);
  color: #ffffff;
}

.cart-qty-num {
  min-width: 1.5rem;
  color: var(--color-ink);
  font-size: 0.875rem;
  font-weight: 700;
  text-align: center;
}

/* ---- Quitar ítem ---- */
.cart-item__remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.5rem;
  color: #94a3b8;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.cart-item__remove:hover {
  background-color: #fef2f2;
  color: #dc2626;
}

/* ---- Estado vacío ---- */
.cart-empty {
  padding: 2rem 0;
  color: var(--color-texto);
  font-size: 0.875rem;
  text-align: center;
}

/* ---- Toast de confirmación ---- */
.cart-toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  z-index: 90;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  background-color: var(--color-ink);
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.25);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, 1rem);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}

.cart-toast--visible {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.cart-toast--error {
  background-color: #dc2626;
}