/* ==========================================================================
   Tienda Virtual CSS - Más Vending (Warm, Commercial & Vibrant Brand Identity)
   Tipografía Unificada: Montserrat (Títulos/Encabezados) + Inter (Textos/UI)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Montserrat:wght@500;600;700;800;900&display=swap');

:root {
  --mv-red: #ED1C24;
  --mv-red-dark: #C41219;
  --mv-orange: #F58220;
  --mv-yellow: #FFC20E;
  --mv-bg-warm: #FDFBF8;
  --mv-bg-card: #FFFFFF;
  --mv-border: #EAE3DA;
  --mv-border-light: #F2ECE4;
  --mv-text: #1A1A1A;
  --mv-text-muted: #52525B;
  --mv-shadow-warm: 0 10px 30px -8px rgba(237, 28, 36, 0.12);
  --mv-shadow-soft: 0 4px 16px rgba(31, 28, 26, 0.06);

  /* Sistema Tipográfico Unificado */
  --font-heading: 'Montserrat', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  background-color: #FFFFFF;
}

body,
.tienda-container,
.tienda-main-grid,
.product-card,
.modal-producto-body,
.cart-drawer {
  font-family: var(--font-body);
}

p,
.tienda-subtitle,
.product-desc,
.modal-producto-descripcion,
.combo-card-desc {
  font-family: var(--font-body);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6,
.tienda-title,
.filter-title,
.product-title,
.modal-producto-nombre,
.modal-combo-title,
.combo-card-title,
.product-card-title,
.category-chip,
.tab-btn {
  font-family: var(--font-heading) !important;
  font-weight: 700;
}

.tienda-header-banner {
  background-color: #FFFFFF;
  color: var(--mv-text);
  padding: 50px 24px 44px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--mv-border);
}

.tienda-header-banner::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -5%;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(245, 130, 32, 0.12) 0%, rgba(237, 28, 36, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.tienda-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.tienda-hero-content {
  max-width: 840px;
  margin: 0 auto 10px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tienda-tagline-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--mv-red);
  background: rgba(237, 28, 36, 0.08);
  border: 1px solid rgba(237, 28, 36, 0.22);
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tienda-title {
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  font-weight: 900;
  color: var(--mv-text);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  text-align: center;
}

.tienda-title span {
  color: var(--mv-red);
  background: linear-gradient(135deg, var(--mv-red) 0%, var(--mv-orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tienda-subtitle {
  font-size: 1.04rem;
  color: var(--mv-text-muted);
  max-width: 760px;
  margin: 0 auto;
  line-height: 1.65;
  text-align: center;
}

/* Barra de Información Comercial (Punto de Venta, Despachos, Horarios, Métodos de Pago) */
.tienda-info-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 28px;
  text-align: left;
}

@media (max-width: 991px) {
  .tienda-info-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .tienda-info-bar {
    grid-template-columns: 1fr;
  }
}

.tienda-info-card {
  background: #FFFFFF;
  border: 1.5px solid var(--mv-border);
  border-radius: 14px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 2px 8px rgba(31, 28, 26, 0.03);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.tienda-info-card:hover {
  transform: translateY(-2px);
  border-color: rgba(245, 130, 32, 0.45);
  box-shadow: 0 6px 16px rgba(31, 28, 26, 0.06);
}

.info-card-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
}

.info-card-text {
  display: flex;
  flex-direction: column;
}

.info-card-text strong {
  font-size: 0.86rem;
  color: #1F1C1A;
  display: block;
  font-weight: 800;
  font-family: var(--font-heading);
  margin-bottom: 2px;
}

.info-card-text span {
  font-size: 0.78rem;
  color: #6E655F;
  line-height: 1.35;
}

/* ==========================================================================
   ZONA DE NAVEGACIÓN JERARQUIZADA (Pestañas Principales + Categorías Desplazables)
   ========================================================================== */
.tienda-navigation-zone {
  position: sticky;
  top: var(--total-header-height, 114px);
  z-index: 45;
  background: #FFFFFF;
  box-shadow: 0 4px 16px rgba(31, 28, 26, 0.05);
}

@media (max-width: 991px) {
  .tienda-navigation-zone {
    top: var(--total-header-height, 70px);
  }
}

/* Nivel 1: Pestañas Principales (Catálogo General / Combos / Ofertas) */
.tienda-main-tabs-bar {
  background: #FFFFFF;
  border-bottom: 1.5px solid var(--mv-border);
}

.tienda-main-tabs-nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-top: 4px;
}

.tienda-main-tabs-nav::-webkit-scrollbar {
  display: none;
}

.tienda-main-tab-btn {
  padding: 14px 24px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.94rem;
  border: none;
  background: transparent;
  border-bottom: 3px solid transparent;
  color: #6E655F;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  transition: all 0.2s ease;
  letter-spacing: 0.01em;
}

.tienda-main-tab-btn .tab-emoji {
  font-size: 1.1rem;
}

.tienda-main-tab-btn:hover {
  color: var(--mv-red);
  background: rgba(237, 28, 36, 0.02);
}

.tienda-main-tab-btn.active {
  color: var(--mv-red) !important;
  border-bottom-color: var(--mv-red) !important;
  background: rgba(237, 28, 36, 0.04);
  font-weight: 900;
}

/* Nivel 2: Segunda Fila de Categorías Desplazables Horizontalmente con Flechas */
.tienda-categories-bar {
  background: #FAF7F2;
  border-bottom: 1.5px solid var(--mv-border);
  padding: 10px 0;
}

.categories-scroll-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
  width: 100%;
}

/* Botones Discretos / Flechas Laterales */
.category-scroll-btn {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 1.5px solid var(--mv-border);
  color: #1F1C1A;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  flex-shrink: 0;
  padding: 0;
}

.category-scroll-btn:hover:not(:disabled) {
  background: #FFFFFF;
  border-color: var(--mv-red);
  color: var(--mv-red);
  box-shadow: 0 4px 12px rgba(237, 28, 36, 0.22);
  transform: scale(1.08);
}

.category-scroll-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

/* Contenedor desplazable SIN BARRA DE SCROLL GRIS */
.categories-chips-scroll {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  flex: 1;
  padding: 4px 2px;
  /* Ocultar barra de scroll nativa en todos los navegadores */
  scrollbar-width: none !important;
  -ms-overflow-style: none !important;
}

.categories-chips-scroll::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

.category-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: #FFFFFF;
  color: var(--mv-text);
  border-radius: 30px;
  font-size: 0.86rem;
  font-weight: 700;
  border: 1.5px solid var(--mv-border);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.category-chip:hover {
  background: #FFF4E5;
  color: var(--mv-red);
  border-color: var(--mv-orange);
  transform: translateY(-1px);
}

.category-chip.active {
  background: linear-gradient(135deg, var(--mv-red) 0%, var(--mv-orange) 100%);
  color: #FFFFFF;
  border-color: var(--mv-red);
  box-shadow: 0 4px 14px rgba(237, 28, 36, 0.25);
}

/* ==========================================================================
   ENCABEZADO DE CATÁLOGO (Título, Contador, Buscador y Ordenamiento)
   ========================================================================== */
.catalogo-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin: 12px 0 24px;
  padding-bottom: 20px;
  border-bottom: 1.5px solid var(--mv-border);
  width: 100%;
}

.catalogo-header-title-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.catalogo-section-title {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 900;
  color: var(--mv-text);
  margin: 0;
  letter-spacing: -0.02em;
}

.catalogo-count-badge {
  background: #FAF7F2;
  border: 1.5px solid var(--mv-border);
  color: #6E655F;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
}

.catalogo-header-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  flex: 1 1 500px;
  justify-content: flex-end;
}

.tienda-search-box {
  flex: 1 1 280px;
  max-width: 440px;
  position: relative;
}

.tienda-search-box input {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 36px 11px 40px;
  border: 1.5px solid var(--mv-border);
  border-radius: 12px;
  font-size: 0.88rem;
  background: #FFFFFF;
  color: var(--mv-text);
  outline: none;
  transition: all 0.2s ease;
  font-family: var(--font-body);
}

.tienda-search-box input:focus {
  border-color: var(--mv-red);
  box-shadow: 0 0 0 3px rgba(237, 28, 36, 0.12);
}

.tienda-search-icon {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--mv-orange);
  pointer-events: none;
}

.btn-clear-search {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 1.25rem;
  line-height: 1;
  color: #94A3B8;
  cursor: pointer;
  padding: 4px;
}

.btn-clear-search:hover {
  color: var(--mv-red);
}

.tienda-sort-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.tienda-sort-label {
  font-size: 0.86rem;
  font-weight: 700;
  color: #475569;
}

.tienda-sort-select {
  padding: 10px 14px;
  border: 1.5px solid var(--mv-border);
  border-radius: 12px;
  background: #FFFFFF;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--mv-text);
  outline: none;
  cursor: pointer;
}

.tienda-sort-select:focus {
  border-color: var(--mv-red);
}

/* Main Layout Grid */
.tienda-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
  align-items: start;
  margin-bottom: 64px;
}

@media (max-width: 900px) {
  .tienda-layout {
    grid-template-columns: 1fr;
  }
  .tienda-sidebar {
    display: none;
  }
  .tienda-sidebar.is-open {
    display: block;
  }
}

.tienda-filter-toggle {
  display: none;
}

@media (max-width: 900px) {
  .tienda-filter-toggle {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    margin: 0 0 14px;
    padding: 10px 16px;
    border: 1px solid var(--mv-border);
    border-radius: 10px;
    background: #fff;
    color: var(--mv-text);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
  }
}

/* Sidebar Filters */
.tienda-sidebar {
  background: #FFFFFF;
  border: 1px solid var(--mv-border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: var(--mv-shadow-soft);
}

.filter-section {
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--mv-border-light);
}

.filter-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.filter-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--mv-text);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.filter-item label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--mv-text-muted);
  cursor: pointer;
  transition: color 0.15s ease;
}

.filter-item label:hover {
  color: var(--mv-red);
}

/* Product Cards Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 26px;
}

.product-card {
  background: #FFFFFF;
  border: 1px solid var(--mv-border);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  box-shadow: var(--mv-shadow-soft);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--mv-shadow-warm);
  border-color: rgba(245, 130, 32, 0.4);
}

.product-img-wrap,
.product-card-img-wrap {
  position: relative;
  width: 100%;
  height: 240px;
  min-height: 220px;
  background: #FAF7F2;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--mv-border-light);
  padding: 16px;
}

.product-img-wrap img,
.product-card-img-wrap img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), filter 0.25s ease;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.06));
}

.product-card:hover .product-img-wrap img,
.product-card:hover .product-card-img-wrap img {
  transform: scale(1.08);
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.12));
}

/* Quick Zoom / Detail Hint overlay on Card hover */
.product-zoom-hint {
  position: absolute;
  bottom: 10px;
  background: rgba(31, 28, 26, 0.85);
  color: #FFFFFF;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
  opacity: 0;
  transform: translateY(6px);
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  gap: 5px;
  pointer-events: none;
}

.product-card:hover .product-zoom-hint {
  opacity: 1;
  transform: translateY(0);
}

.stock-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 6px;
  backdrop-filter: blur(4px);
  z-index: 2;
}

.stock-disponible {
  background: rgba(40, 167, 69, 0.15);
  color: #28A745;
  border: 1px solid rgba(40, 167, 69, 0.3);
}

.stock-limitado {
  background: rgba(245, 130, 32, 0.15);
  color: var(--mv-orange);
  border: 1px solid rgba(245, 130, 32, 0.3);
}

.stock-agotado {
  background: rgba(237, 28, 36, 0.15);
  color: var(--mv-red);
  border: 1px solid rgba(237, 28, 36, 0.3);
}

.product-card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-brand {
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mv-orange);
  margin-bottom: 4px;
}

.product-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--mv-text);
  margin-bottom: 6px;
  line-height: 1.35;
}

.product-presentation-tag {
  font-size: 0.82rem;
  color: var(--mv-text-muted);
  margin-bottom: 14px;
}

.product-price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-top: auto;
  margin-bottom: 16px;
}

.product-price {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--mv-red);
}

.product-card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.btn-card-view {
  background: var(--mv-bg-warm);
  color: var(--mv-text);
  border: 1.5px solid var(--mv-border);
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.btn-card-view:hover {
  background: #FFF4E5;
  border-color: var(--mv-orange);
  color: var(--mv-red);
}

.btn-card-add {
  background: linear-gradient(135deg, var(--mv-red) 0%, #D4141B 100%);
  color: #FFFFFF;
  border: none;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(237, 28, 36, 0.25);
}

.btn-card-add:hover {
  background: linear-gradient(135deg, #FF262F 0%, var(--mv-red) 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(237, 28, 36, 0.35);
}

/* ==========================================================================
   MODAL DETALLE DE PRODUCTO CON ZOOM LENS & HD VIEWER
   ========================================================================== */
.product-modal-card {
  max-width: 980px;
  width: 94vw;
  max-height: 90vh;
  overflow-y: auto;
  display: block;
  padding: 28px;
  background: #FFFFFF;
  border-radius: 20px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
  position: relative;
}

.product-modal-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 28px;
  width: 100%;
  align-items: start;
}

@media (max-width: 860px) {
  .product-modal-card {
    padding: 20px;
    max-height: 88vh;
  }
  .product-modal-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.modal-gallery-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  width: 100%;
}

.modal-main-img-box {
  width: 100%;
  height: 380px;
  min-height: 320px;
  background: #FFFFFF;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--mv-border);
  padding: 16px;
  cursor: zoom-in;
  user-select: none;
  background-image: radial-gradient(#F5EFE6 1.5px, transparent 1.5px);
  background-size: 16px 16px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.modal-main-img-box:hover {
  border-color: #CBD5E1;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.modal-main-img-box img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
  transition: transform 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center center;
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.09));
  pointer-events: none;
}

/* Floating Zoom Indicator Button */
.modal-zoom-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(15, 23, 42, 0.85);
  color: #FFFFFF;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  backdrop-filter: blur(8px);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  z-index: 5;
  border: 1px solid rgba(255, 255, 255, 0.18);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: auto;
  font-family: inherit;
  white-space: nowrap;
}

.modal-zoom-badge:hover {
  background: linear-gradient(135deg, #F58220 0%, #ED1C24 100%);
  transform: translateY(-1px) scale(1.03);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 6px 20px rgba(237, 28, 36, 0.35);
}

.gallery-zoom-controls {
  position: absolute;
  bottom: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(15, 23, 42, 0.88);
  padding: 5px 8px;
  border-radius: 24px;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  z-index: 5;
  border: 1px solid rgba(255, 255, 255, 0.12);
  white-space: nowrap;
}

.gallery-zoom-btn {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.18s ease;
}

.gallery-zoom-btn:hover {
  background: #ED1C24;
  transform: scale(1.1);
  color: #FFFFFF;
}

.gallery-zoom-btn-full {
  width: auto;
  padding: 0 10px;
  border-radius: 14px;
  font-size: 0.75rem;
  font-weight: 700;
  gap: 5px;
}

.modal-gallery-thumb {
  border: 1.5px solid #EAE3DA;
  border-radius: 10px;
  width: 64px;
  height: 64px;
  background: #fff;
  cursor: pointer;
  padding: 4px;
  overflow: hidden;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.modal-gallery-thumb:hover,
.modal-gallery-thumb.active {
  border-color: #ED1C24;
  box-shadow: 0 2px 8px rgba(237, 28, 36, 0.2);
  transform: translateY(-1px);
}

/* ==========================================================================
   CUADRO GRANDE SOBRESALIENTE: MODAL VISOR ZOOM HD (LIGHTBOX INTERACTIVO)
   ========================================================================== */
.mv-zoom-lightbox-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 100005;
  background: rgba(10, 15, 29, 0.95);
  backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s ease;
  user-select: none;
}

.mv-zoom-lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mv-zoom-lightbox-header {
  height: 64px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(10px);
  flex-shrink: 0;
  color: #fff;
}

.mv-zoom-lightbox-title {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: hidden;
}

.mv-zoom-lightbox-title h3 {
  font-size: 1.05rem;
  font-weight: 800;
  color: #FFFFFF;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 420px;
}

.mv-zoom-ref-pill {
  font-size: 0.74rem;
  font-weight: 700;
  color: #94A3B8;
  background: rgba(255, 255, 255, 0.08);
  padding: 3px 8px;
  border-radius: 6px;
  white-space: nowrap;
}

.mv-zoom-hint-box {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mv-zoom-pct-badge {
  background: linear-gradient(135deg, #F58220 0%, #ED1C24 100%);
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 10px rgba(237, 28, 36, 0.35);
}

.mv-zoom-instruction {
  font-size: 0.8rem;
  color: #94A3B8;
  display: flex;
  align-items: center;
  gap: 6px;
}

.mv-zoom-close-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mv-zoom-close-btn:hover {
  background: #ED1C24;
  border-color: #ED1C24;
  transform: rotate(90deg) scale(1.08);
}

/* Escenario central de visualización y paneo */
.mv-zoom-lightbox-stage {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: none;
  background-color: #0d121f;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
}

.mv-zoom-canvas-wrapper {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-origin: center center;
  will-change: transform;
  cursor: grab;
}

.mv-zoom-canvas-wrapper.is-dragging {
  cursor: grabbing !important;
}

.mv-zoom-stage-img {
  max-width: 82vw;
  max-height: 74vh;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.45));
  transition: filter 0.2s ease;
}

/* Flechas de Navegación de Galería */
.mv-zoom-nav-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 20;
  backdrop-filter: blur(8px);
  transition: all 0.2s ease;
}

.mv-zoom-nav-arrow:hover {
  background: #ED1C24;
  border-color: #ED1C24;
  transform: translateY(-50%) scale(1.1);
}

.mv-zoom-nav-prev {
  left: 20px;
}

.mv-zoom-nav-next {
  right: 20px;
}

/* Barra flotante de controles Dock */
.mv-zoom-lightbox-dock {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(15, 23, 42, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 8px 14px;
  border-radius: 36px;
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  z-index: 25;
}

.mv-dock-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #FFFFFF;
  padding: 8px 12px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.18s ease;
}

.mv-dock-btn:hover {
  background: #ED1C24;
  transform: scale(1.05);
}

.mv-dock-btn.active {
  background: linear-gradient(135deg, #F58220 0%, #ED1C24 100%);
  color: #FFFFFF;
}

.mv-dock-separator {
  width: 1px;
  height: 20px;
  background: rgba(255, 255, 255, 0.18);
  margin: 0 2px;
}

/* Tira de Miniaturas inferior */
.mv-zoom-gallery-strip {
  position: absolute;
  bottom: 84px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 6px 10px;
  border-radius: 12px;
  backdrop-filter: blur(10px);
  z-index: 24;
  max-width: 90vw;
  overflow-x: auto;
}

.mv-zoom-strip-thumb {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  background: #ffffff;
  border: 2px solid transparent;
  padding: 3px;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.mv-zoom-strip-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.mv-zoom-strip-thumb.active {
  border-color: #ED1C24;
  transform: scale(1.08);
  box-shadow: 0 0 10px rgba(237, 28, 36, 0.6);
}

@media (max-width: 768px) {
  .mv-zoom-instruction {
    display: none;
  }
  .mv-zoom-lightbox-header {
    padding: 0 14px;
  }
  .mv-zoom-lightbox-title h3 {
    max-width: 200px;
    font-size: 0.92rem;
  }
  .mv-zoom-lightbox-dock {
    bottom: 16px;
    padding: 6px 10px;
    gap: 4px;
  }
  .mv-dock-btn {
    padding: 6px 9px;
    font-size: 0.76rem;
  }
  .mv-zoom-gallery-strip {
    bottom: 74px;
  }
  .mv-zoom-nav-arrow {
    width: 38px;
    height: 38px;
    font-size: 1.3rem;
  }
  .mv-zoom-nav-prev { left: 8px; }
  .mv-zoom-nav-next { right: 8px; }
}

/* Modal Tab Navigation for Rich Product Specs */
.modal-tabs-nav {
  display: flex;
  gap: 6px;
  border-bottom: 1.5px solid var(--mv-border-light);
  margin-bottom: 14px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.modal-tab-btn {
  background: transparent;
  border: none;
  padding: 8px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--mv-text-muted);
  cursor: pointer;
  border-radius: 8px 8px 0 0;
  border-bottom: 2.5px solid transparent;
  white-space: nowrap;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.modal-tab-btn:hover {
  color: var(--mv-red);
}

.modal-tab-btn.active {
  color: var(--mv-red);
  border-bottom-color: var(--mv-red);
  background: rgba(237, 28, 36, 0.05);
}

/* Tab Content Areas */
.modal-tab-content {
  display: none;
  animation: fadeIn 0.2s ease;
}

.modal-tab-content.active {
  display: block;
}

/* Technical Specification Table */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.spec-table tr {
  border-bottom: 1px solid #f1f5f9;
}

.spec-table td {
  padding: 8px 6px;
}

.spec-table td.spec-label {
  color: #64748b;
  font-weight: 600;
  width: 40%;
}

.spec-table td.spec-val {
  color: #1e293b;
  font-weight: 700;
}

/* Sensory Note Pills */
.sensory-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #fdf2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  margin: 3px 2px;
}

.dosage-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 12px;
  margin-top: 8px;
}

/* Fullscreen HD Lightbox Modal */
.lightbox-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.94);
  backdrop-filter: blur(10px);
  z-index: 100000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.lightbox-modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-header {
  position: absolute;
  top: 18px;
  left: 24px;
  right: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #FFFFFF;
  z-index: 10;
}

.lightbox-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: #FFFFFF;
}

.lightbox-close-btn {
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #FFFFFF;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.lightbox-close-btn:hover {
  background: var(--mv-red);
  transform: scale(1.1);
}

.lightbox-viewport {
  width: 90vw;
  height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: grab;
  position: relative;
}

.lightbox-viewport.is-dragging {
  cursor: grabbing;
}

.lightbox-img {
  max-width: 85%;
  max-height: 85%;
  object-fit: contain;
  transition: transform 0.1s ease-out;
  filter: drop-shadow(0 15px 35px rgba(0, 0, 0, 0.5));
  user-select: none;
}

.lightbox-controls {
  position: absolute;
  bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(30, 30, 30, 0.85);
  padding: 8px 16px;
  border-radius: 30px;
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-size: 0.85rem;
  font-weight: 700;
}

.lightbox-ctrl-btn {
  background: rgba(255, 255, 255, 0.18);
  color: #FFFFFF;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 1.05rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.lightbox-ctrl-btn:hover {
  background: var(--mv-red);
}

.modal-qty-control {
  display: inline-flex;
  align-items: center;
  border: 1.5px solid var(--mv-border);
  border-radius: 10px;
  overflow: hidden;
}

.qty-btn {
  background: var(--mv-bg-warm);
  border: none;
  width: 38px;
  height: 40px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--mv-text);
  cursor: pointer;
  transition: background 0.15s ease;
}

.qty-btn:hover {
  background: #FFF4E5;
  color: var(--mv-red);
}

.qty-input {
  width: 50px;
  height: 40px;
  text-align: center;
  border: none;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--mv-text);
  outline: none;
}

/* ==========================================================================
   CARRITO & CHECKOUT RESPONSIVE LAYOUTS & BUTTON SYSTEM
   ========================================================================== */
#cartMainLayout,
#checkoutMainLayout {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  gap: 32px;
  align-items: start;
}

.btn-action-continue {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--mv-text) !important;
  background: #ffffff;
  border: 1.5px solid var(--mv-border) !important;
  padding: 12px 24px;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--mv-shadow-soft);
}

.btn-action-continue:hover {
  background: #FFF4E5;
  color: var(--mv-red) !important;
  border-color: var(--mv-orange) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(245, 130, 32, 0.12);
}

.btn-action-clear-cart {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--mv-red) !important;
  background: #ffffff;
  border: 1.5px solid rgba(237, 28, 36, 0.3) !important;
  padding: 12px 24px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 6px rgba(237, 28, 36, 0.05);
}

.btn-action-clear-cart:hover {
  background: #FFF4E5;
  border-color: var(--mv-red) !important;
  color: var(--mv-red-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(237, 28, 36, 0.15);
}

.btn-item-delete {
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.btn-item-delete:hover {
  background: #FFF1F2 !important;
  border-color: var(--mv-red) !important;
  color: var(--mv-red) !important;
  transform: scale(1.08);
}

.cart-qty-btn:hover {
  background: #FFF4E5;
  color: var(--mv-red);
}

@keyframes slideUpToast {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 860px) {
  #cartMainLayout,
  #checkoutMainLayout {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }
  
  .cart-header-grid {
    display: none !important;
  }

  .cart-row-item {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
    padding: 16px !important;
  }
  
  .cart-bottom-actions {
    flex-direction: column !important;
    align-items: stretch !important;
  }

  .btn-action-continue,
  .btn-action-clear-cart {
    justify-content: center;
    width: 100%;
  }
}

.cart-item-card {
  background: #FFFFFF;
  border: 1px solid var(--mv-border);
  border-radius: 16px;
  padding: 18px 20px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: border-color 0.2s ease;
}

.cart-item-card:hover {
  border-color: var(--mv-orange);
}

@media (max-width: 768px) {
  .catalogo-header-controls {
    flex: 1 1 100%;
    min-width: 0;
    justify-content: stretch;
  }

  .catalogo-header-controls .tienda-search-box {
    flex: 1 1 100%;
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .cart-item-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .tienda-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }

  .tienda-search-box {
    max-width: 100%;
    width: 100%;
  }

  .tienda-sort-group {
    width: 100%;
    justify-content: space-between;
  }

  .tienda-sort-select {
    flex: 1;
    min-width: 160px;
  }
}

/* =========================================================================
   ESTILOS DE PROMOCIONES, DESCUENTOS Y COMBOS (FASE 1 & FASE 2)
   ========================================================================= */

/* Insignias de Promoción y Combo en Tarjeta de Producto */
.product-badge-promo {
  position: absolute;
  top: 10px;
  right: 10px;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 9px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.35);
  display: flex;
  align-items: center;
  gap: 4px;
  z-index: 2;
  letter-spacing: 0.02em;
}

.product-badge-combo {
  position: absolute;
  top: 10px;
  right: 10px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 9px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.35);
  display: flex;
  align-items: center;
  gap: 4px;
  z-index: 2;
  letter-spacing: 0.02em;
}

/* Precios con Descuento */
.price-promo-container {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.price-original-striked {
  font-size: 0.88rem;
  color: #94a3b8;
  text-decoration: line-through;
  font-weight: 600;
}

.price-promo-final {
  color: #dc2626 !important;
  font-weight: 900 !important;
}

.tag-saving-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #15803d;
  background: #dcfce7;
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid #bbf7d0;
}

/* Cuadro de Oferta / Combo en Modal de Detalle */
.modal-promo-banner {
  background: #fff5f5;
  border: 1.5px solid #fca5a5;
  border-radius: 10px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.modal-combo-section {
  margin-top: 8px;
  background: #fffbeb;
  border: 1.5px dashed #f59e0b;
  border-radius: 12px;
  padding: 14px;
}

.modal-combo-title {
  font-size: 0.88rem;
  font-weight: 800;
  color: #92400e;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}

.modal-combo-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
  border: 1px solid #fde68a;
  border-radius: 8px;
  padding: 10px 12px;
  margin-top: 8px;
  gap: 10px;
}

.btn-add-combo {
  background: #d97706;
  color: #ffffff;
  border: none;
  padding: 7px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: background 0.15s ease;
}

.btn-add-combo:hover {
  background: #b45309;
}

@media (max-width: 640px) {
  .category-scroll-btn {
    width: 44px;
    height: 44px;
    min-width: 44px;
  }
}