/* ============================================================
   Tienda Online Moderna — Farmacia
   Diseño: Inter font · Cards · Gradients · Smooth UX
   ============================================================ */

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

:root {
  --primary:        #1D4ED8;
  --primary-dark:   #1E3A8A;
  --primary-light:  #DBEAFE;
  --primary-xlight: #EFF6FF;
  --accent:         #DC2626;
  --accent-dark:    #B91C1C;
  --danger:         #ef4444;
  --text:           #111827;
  --text-secondary: #6b7280;
  --border:         #e5e7eb;
  --border-light:   #f3f4f6;
  --surface:        #ffffff;
  --bg:             #f9fafb;
  --shadow-sm:      0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow:         0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);
  --shadow-lg:      0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1);
  --shadow-xl:      0 20px 25px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.1);
  --radius-sm:      8px;
  --radius:         12px;
  --radius-lg:      16px;
  --radius-xl:      24px;
  --radius-full:    9999px;
  --transition:     all .2s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }

/* ── NAVBAR ──────────────────────────────────────────── */
.tienda-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow-sm);
}

.tienda-nav .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  color: var(--primary);
  letter-spacing: -.3px;
  flex-shrink: 0;
}
.tienda-nav .brand img {
  height: 56px;
  width: auto;
  border-radius: 8px;
}
.tienda-nav .brand .brand-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
  margin-left: 2px;
}

/* Buscador inline en nav */
.nav-search {
  flex: 1;
  max-width: 420px;
  position: relative;
}
.nav-search input {
  width: 100%;
  padding: 9px 16px 9px 40px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  font-family: inherit;
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: var(--transition);
}
.nav-search input:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(29,78,216,.12);
}
.nav-search .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 15px;
  pointer-events: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.nav-btn {
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.nav-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-xlight); }

.nav-btn-cart {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  position: relative;
  font-size: 17px;
  padding: 8px 16px;
  gap: 5px;
}
.nav-btn-cart:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }

.nav-cart-num {
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-full);
  padding: 0 6px;
  font-size: 11px;
  font-weight: 800;
  min-width: 18px;
  text-align: center;
  line-height: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-btn-wa { color: #16a34a; border-color: #bbf7d0; background: #f0fdf4; }
.nav-btn-wa:hover { background: #dcfce7; border-color: #16a34a; color: #15803d; }

/* ── FAB: CARRITO FLOTANTE ───────────────────────────── */
.fab-cart {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 950;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: linear-gradient(145deg, #1D4ED8 0%, #1E3A8A 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  box-shadow: 0 6px 24px rgba(29,78,216,.50), 0 2px 8px rgba(0,0,0,.18);
  transition: transform .2s cubic-bezier(.4,0,.2,1), box-shadow .2s;
  text-decoration: none;
}
.fab-cart i { font-size: 25px; }
.fab-cart:hover {
  transform: translateY(-4px) scale(1.07);
  box-shadow: 0 12px 36px rgba(29,78,216,.58), 0 4px 12px rgba(0,0,0,.2);
  color: #fff;
}
.fab-cart:active { transform: scale(.94); box-shadow: 0 3px 12px rgba(29,78,216,.4); }

.fab-cart-badge {
  position: absolute;
  top: -3px;
  right: -3px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  min-width: 22px;
  height: 22px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  border: 2.5px solid #fff;
  line-height: 1;
  letter-spacing: -.3px;
  box-shadow: 0 2px 6px rgba(220,38,38,.4);
}
.fab-cart-badge.zero {
  background: #9ca3af;
  box-shadow: none;
}

@keyframes cartBump {
  0%   { transform: scale(1) rotate(0deg); }
  25%  { transform: scale(1.22) rotate(-8deg); }
  55%  { transform: scale(.94) rotate(5deg); }
  80%  { transform: scale(1.06) rotate(-3deg); }
  100% { transform: scale(1) rotate(0deg); }
}
.fab-cart.bump { animation: cartBump .45s cubic-bezier(.4,0,.2,1); }

.cart-badge {
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-full);
  padding: 1px 6px;
  font-size: 11px;
  font-weight: 700;
  min-width: 18px;
  text-align: center;
}

/* ── HERO BANNER ─────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 0;
  text-align: center;
}
.hero-bg-img {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg,
      rgba(30,58,138,.90) 0%,
      rgba(29,78,216,.82) 55%,
      rgba(185,28,28,.78) 100%),
    url('https://images.unsplash.com/photo-1576602976047-174e57a47881?w=1600&q=80')
    center / cover no-repeat;
  z-index: 0;
}
.hero-bg-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='80' height='80' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='40' cy='40' r='1.5' fill='%23ffffff' fill-opacity='.06'/%3E%3C/svg%3E");
  pointer-events: none;
}
/* Ola inferior del hero */
.hero-bg-img::before {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 56px;
  background: var(--bg);
  clip-path: ellipse(55% 100% at 50% 100%);
  z-index: 1;
}
.hero-inner {
  position: relative;
  z-index: 2;
  padding: 60px 24px 72px;
  max-width: 720px;
  margin: 0 auto;
}
.hero-logo {
  height: 320px;
  width: auto;
  max-width: 560px;
  object-fit: contain;
  margin: 0 auto 28px;
  display: block;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,.45));
  background: rgba(255,255,255,.97);
  border-radius: 24px;
  padding: 20px 48px;
}
.hero h1 {
  font-size: clamp(22px, 5vw, 38px);
  font-weight: 900;
  letter-spacing: -.5px;
  margin-bottom: 8px;
  text-shadow: 0 2px 12px rgba(0,0,0,.3);
}
.hero-sub {
  font-size: 15px;
  opacity: .88;
  margin-bottom: 28px;
  font-weight: 400;
}
/* Barra de búsqueda */
.hero-search {
  max-width: 560px;
  margin: 0 auto 24px;
  display: flex;
  gap: 0;
  background: #fff;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 32px rgba(0,0,0,.22);
  overflow: hidden;
  position: relative;
}
.hero-search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 17px;
  pointer-events: none;
  z-index: 1;
}
.hero-search input {
  flex: 1;
  padding: 15px 16px 15px 46px;
  border: 0;
  font-family: inherit;
  font-size: 15px;
  outline: none;
  color: var(--text);
  background: transparent;
}
.hero-search button {
  padding: 13px 24px;
  border: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 7px;
  letter-spacing: .03em;
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}
.hero-search button:hover { background: linear-gradient(135deg, var(--primary-dark), #1e3a8a); }
/* Pills de confianza */
.hero-trust {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}
.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.28);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
}
.hero-trust span i { font-size: 13px; color: #bae6fd; }

/* ── CATEGORÍAS ──────────────────────────────────────── */
.section-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Faint grid/dot pattern on the products section background */
body {
  background-color: #f3f6fc;
  background-image:
    radial-gradient(circle at 18% 22%, rgba(29,78,216,.06) 0%, transparent 55%),
    radial-gradient(circle at 82% 78%, rgba(14,165,233,.05) 0%, transparent 55%),
    radial-gradient(circle at 50% 50%, rgba(220,38,38,.03) 0%, transparent 60%);
  background-attachment: fixed;
}

.cats-section {
  padding: 20px 0 8px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.cats-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 20px 8px;
  scrollbar-width: none;
}
.cats-scroll::-webkit-scrollbar { display: none; }

.cat-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}
.cat-chip:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-xlight); }
.cat-chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ── CATALOG HEADER ─────────────────────────────────── */
.catalog-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 28px 0 4px;
  gap: 12px;
  flex-wrap: wrap;
}
.catalog-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.catalog-title i { color: var(--primary); font-size: 18px; }
.catalog-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
}

/* ── TOOLBAR (resultados + ordenar) ─────────────────── */
.results-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0 8px;
  flex-wrap: wrap;
  gap: 8px;
}
.results-count { font-size: 14px; color: var(--text-secondary); font-weight: 500; }

/* ── GRID DE PRODUCTOS ───────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 20px;
  padding: 8px 0 32px;
}

/* ── TARJETA DE PRODUCTO ─────────────────────────────── */
.product-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(30,58,138,.06);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}
.product-card:hover {
  box-shadow: 0 12px 36px rgba(29,78,216,.18);
  transform: translateY(-5px);
  border-color: var(--primary-light);
}

.product-card .img-wrap {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.product-card .img-wrap img {
  width: 85%;
  height: 85%;
  object-fit: contain;
  transition: transform .3s cubic-bezier(.4,0,.2,1);
}
.product-card:hover .img-wrap img { transform: scale(1.06); }

.product-card .badge-otc {
  position: absolute;
  top: 10px;
  left: 10px;
  background: #10b981;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  letter-spacing: .3px;
}

.product-card .card-body {
  padding: 14px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.product-card .pcat {
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: .5px;
}
.product-card .pname {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card .pdci {
  font-size: 11px;
  color: var(--text-secondary);
  font-style: italic;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card .plab {
  font-size: 11px;
  color: var(--text-secondary);
}
.product-card .pprice {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  margin-top: 8px;
  letter-spacing: -.5px;
}
.product-card .pprice small {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.tag-oferta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: linear-gradient(90deg, #f59e0b, #ef4444);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 6px 10px;
  border-radius: 8px;
  margin-top: 8px;
  box-shadow: 0 3px 12px rgba(239,68,68,.45);
  animation: tagOfertaPulse 1.4s ease-in-out infinite;
}

@keyframes tagOfertaPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 3px 12px rgba(239,68,68,.45); }
  50%      { transform: scale(1.035); box-shadow: 0 4px 16px rgba(239,68,68,.65); }
}

.product-card .badge-oferta {
  position: absolute;
  top: 10px;
  right: 10px;
  background: #dc2626;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  letter-spacing: .3px;
  box-shadow: 0 2px 6px rgba(220,38,38,.35);
}

.precio-tachado {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: line-through;
  margin-right: 6px;
}
.product-card .pstock {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 2px;
}
.product-card .btn-agregar {
  margin-top: auto;
  width: 100%;
  padding: 11px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  border: 0;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  letter-spacing: .2px;
  box-shadow: 0 3px 10px rgba(29,78,216,.25);
}
.product-card .btn-agregar i { font-size: 15px; }
.product-card .btn-agregar:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #172554 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(29,78,216,.35);
}
.product-card .btn-agregar:active { transform: translateY(0); box-shadow: none; }
.product-card .btn-agregar:disabled { background: var(--border); color: var(--text-secondary); cursor: not-allowed; transform: none; box-shadow: none; }
.product-card .btn-agregar.adding {
  background: linear-gradient(135deg, #059669, #10b981);
  box-shadow: 0 3px 10px rgba(16,185,129,.3);
}

/* ── SKELETON LOADER ─────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e8e8e8 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius);
}
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

.product-card-skeleton {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
}
.skeleton-img  { width: 100%; aspect-ratio: 1; }
.skeleton-body { padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.skeleton-line { height: 12px; border-radius: 6px; }

/* ── PAGINACIÓN ──────────────────────────────────────── */
.pagination-wrap {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 16px 0 32px;
  flex-wrap: wrap;
}
.page-btn {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: var(--surface);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text);
}
.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ── EMPTY STATE ─────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  grid-column: 1 / -1;
}
.empty-state .empty-icon { font-size: 56px; margin-bottom: 16px; }
.empty-state h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.empty-state p { color: var(--text-secondary); font-size: 14px; }

/* ── TOAST NOTIFICATIONS ─────────────────────────────── */
.toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xl);
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 500;
  border-left: 4px solid var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 260px;
  max-width: 340px;
  pointer-events: all;
  animation: toastIn .3s cubic-bezier(.34,1.56,.64,1);
}
.toast.ok    { border-color: #10b981; }
.toast.err   { border-color: var(--danger); }
.toast.inf   { border-color: #3b82f6; }
.toast.warn  { border-color: var(--accent); }
.toast-icon  { font-size: 18px; flex-shrink: 0; }
@keyframes toastIn { from { transform: translateX(120%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes toastOut { to { transform: translateX(120%); opacity: 0; } }

/* ── LOGIN / REGISTRO ────────────────────────────────── */
.auth-page {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
  background: linear-gradient(135deg, var(--primary-xlight) 0%, var(--bg) 60%);
}
.auth-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 440px;
  overflow: hidden;
}
.auth-card .auth-header {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 28px 32px 24px;
  color: #fff;
  text-align: center;
}
.auth-card .auth-header h2 { font-size: 22px; font-weight: 800; margin-bottom: 4px; }
.auth-card .auth-header p  { font-size: 13px; opacity: .8; }
.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
}
.auth-tab {
  flex: 1;
  padding: 14px;
  text-align: center;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  border: 0;
  background: var(--surface);
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}
.auth-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.auth-body { padding: 28px 32px; }

/* ── FORM GROUPS ─────────────────────────────────────── */
.fgroup { margin-bottom: 16px; }
.fgroup label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.fgroup input, .fgroup select, .fgroup textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  outline: none;
  transition: var(--transition);
  line-height: 1.5;
}
.fgroup input:focus, .fgroup select:focus, .fgroup textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(29,78,216,.12);
}
.fgroup textarea { resize: vertical; min-height: 80px; }
.fgroup .hint { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }

/* ── BOTONES ─────────────────────────────────────────── */
.btn-primary-lg {
  display: block;
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  box-shadow: 0 4px 14px rgba(29,78,216,.28);
  color: #fff;
  border: 0;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  letter-spacing: -.1px;
}
.btn-primary-lg:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(29,78,216,.38); filter: brightness(1.05); }
.btn-primary-lg.adding { background: linear-gradient(135deg, #059669, #10b981); box-shadow: 0 4px 14px rgba(16,185,129,.3); }
.btn-primary-lg:disabled { opacity: .6; transform: none; cursor: not-allowed; }
.btn-primary-lg.loading::after {
  content: '';
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
  margin-left: 8px;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

.btn-outline {
  display: block;
  width: 100%;
  padding: 12px;
  background: transparent;
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}
.btn-outline:hover { border-color: var(--danger); color: var(--danger); background: #fef2f2; }

/* ── CARRITO ─────────────────────────────────────────── */
.carrito-page { max-width: 760px; margin: 0 auto; padding: 32px 20px; }
.page-title { font-size: 26px; font-weight: 800; letter-spacing: -.4px; margin-bottom: 24px; }

.cart-item {
  display: grid;
  grid-template-columns: 72px 1fr auto auto;
  gap: 14px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.cart-item .ci-img {
  width: 72px; height: 72px;
  background: var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cart-item .ci-img img { width: 100%; height: 100%; object-fit: contain; padding: 6px; }
.cart-item .ci-name { font-weight: 700; font-size: 14px; margin-bottom: 3px; }
.cart-item .ci-price { font-size: 13px; color: var(--text-secondary); }

.qty-control {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--border-light);
  border-radius: var(--radius-full);
  padding: 4px 8px;
}
.qty-control button {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 0;
  background: var(--surface);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.qty-control button:hover { background: var(--primary); color: #fff; }
.qty-control input {
  width: 38px;
  text-align: center;
  border: 0;
  background: transparent;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  outline: none;
}

.btn-delete {
  background: none;
  border: none;
  color: var(--border);
  cursor: pointer;
  font-size: 20px;
  transition: var(--transition);
  padding: 4px;
  border-radius: var(--radius);
}
.btn-delete:hover { color: var(--danger); background: #fef2f2; }

.cart-summary {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 24px;
  margin-top: 24px;
}
.cart-summary .summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 10px;
}
.cart-summary .summary-total {
  display: flex;
  justify-content: space-between;
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  padding-top: 14px;
  border-top: 1px solid var(--border);
  margin-top: 14px;
  letter-spacing: -.3px;
}

/* ── CHECKOUT ────────────────────────────────────────── */
.checkout-page { max-width: 680px; margin: 0 auto; padding: 32px 20px 60px; }

.checkout-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 24px;
  margin-bottom: 16px;
}
.checkout-card .cc-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}
.cc-title .cc-num {
  width: 28px; height: 28px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  flex-shrink: 0;
}

.metodo-card {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  margin-bottom: 10px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 12px;
}
.metodo-card:hover { border-color: var(--primary); background: var(--primary-xlight); }
.metodo-card.selected { border-color: var(--primary); background: var(--primary-xlight); }
.metodo-card input[type=radio] { accent-color: var(--primary); width: 16px; height: 16px; }
.metodo-card .mc-info { flex: 1; }
.metodo-card .mc-title { font-weight: 700; font-size: 14px; }
.metodo-card .mc-desc  { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.metodo-card .mc-icon  { font-size: 28px; }

/* Yape QR */
.yape-panel {
  margin-top: 14px;
  padding: 20px;
  background: linear-gradient(135deg, #ecfdf5, #d1fae5);
  border-radius: var(--radius);
  text-align: center;
  border: 1px solid #a7f3d0;
}
.yape-panel img { width: 100%; max-width: 320px; border-radius: var(--radius); margin: 12px auto; box-shadow: var(--shadow-lg); display: block; }
.yape-panel .yape-name { font-weight: 700; font-size: 15px; color: #065f46; margin-bottom: 4px; }
.yape-panel .yape-num  { font-size: 22px; font-weight: 900; color: #059669; letter-spacing: 1px; }

/* Resumen del pedido */
.order-summary-item {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-light);
  gap: 12px;
}
.order-summary-item:last-child { border-bottom: 0; }
.osi-name { color: var(--text-secondary); flex: 1; }
.osi-price { font-weight: 600; flex-shrink: 0; }

.total-panel {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  color: #fff;
  margin-bottom: 16px;
}
.total-row { display: flex; justify-content: space-between; font-size: 14px; opacity: .85; margin-bottom: 6px; }
.total-row.main { font-size: 24px; font-weight: 900; opacity: 1; margin: 12px 0 0; letter-spacing: -.4px; }
.total-row .envio-free { background: rgba(255,255,255,.2); border-radius: var(--radius-full); padding: 2px 10px; font-size: 12px; font-weight: 700; }

/* ── PEDIDOS ─────────────────────────────────────────── */
.pedido-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  transition: var(--transition);
}
.pedido-card:hover { box-shadow: var(--shadow); }
.pedido-card .pd-id { font-size: 18px; font-weight: 800; }
.pedido-card .pd-date { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }
.pedido-card .pd-total { font-size: 20px; font-weight: 800; color: var(--primary); }

.estado-badge {
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .3px;
  text-transform: uppercase;
  display: inline-block;
}
.estado-PENDIENTE      { background: #fef3c7; color: #92400e; }
.estado-CONFIRMADO     { background: #dbeafe; color: #1e40af; }
.estado-EN_PREPARACION { background: #ede9fe; color: #5b21b6; }
.estado-DESPACHADO     { background: #cffafe; color: #164e63; }
.estado-ENTREGADO      { background: #dcfce7; color: #14532d; }
.estado-CANCELADO      { background: #fee2e2; color: #7f1d1d; }

/* ── SUCCESS PAGE ────────────────────────────────────── */
.success-page {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
  background: linear-gradient(135deg, var(--primary-xlight) 0%, var(--bg) 60%);
}
.success-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 48px 40px;
  text-align: center;
  max-width: 480px;
  width: 100%;
}
.success-icon { font-size: 72px; margin-bottom: 20px; animation: bounce .6s ease; }
@keyframes bounce { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
.success-card h2 { font-size: 26px; font-weight: 900; color: #166534; margin-bottom: 10px; }
.success-card .order-num { font-size: 15px; color: var(--text-secondary); margin-bottom: 28px; }
.success-steps { text-align: left; background: var(--border-light); border-radius: var(--radius); padding: 20px 24px; margin-bottom: 28px; }
.success-steps ol { padding-left: 20px; }
.success-steps li { font-size: 14px; color: var(--text-secondary); margin-bottom: 8px; line-height: 1.5; }

/* ── MODAL DETALLE DE PRODUCTO ───────────────────────── */
.pm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}
.pm-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.pm-box {
  background: var(--surface);
  border-radius: var(--radius-xl);
  max-width: 580px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  transform: translateY(24px) scale(.96);
  transition: transform .28s cubic-bezier(.34,1.56,.64,1);
  position: relative;
  scrollbar-width: thin;
}
.pm-overlay.open .pm-box {
  transform: translateY(0) scale(1);
}
.pm-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 0;
  background: var(--border-light);
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 1;
}
.pm-close:hover { background: #fee2e2; color: var(--danger); }

.pm-img {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #f8fafc, #f1f5f9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  overflow: hidden;
}
.pm-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 20px;
}
.pm-body { padding: 24px 28px 28px; }
.pm-cat {
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: .6px;
  margin-bottom: 6px;
}
.pm-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.25;
  letter-spacing: -.3px;
  margin-bottom: 10px;
}
.pm-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.pm-tag {
  background: var(--primary-xlight);
  color: var(--primary);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
}
.pm-price {
  font-size: 32px;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: -.5px;
  margin-bottom: 16px;
}
.pm-price small { font-size: 16px; font-weight: 500; color: var(--text-secondary); }
.pm-price .precio-tachado { font-size: 18px; }
.pm-badge-oferta {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: linear-gradient(90deg, #f59e0b, #ef4444);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .4px;
  padding: 5px 14px;
  border-radius: 8px;
  margin-bottom: 12px;
  box-shadow: 0 3px 12px rgba(239,68,68,.45);
}
.pm-divider { border: 0; border-top: 1px solid var(--border); margin: 16px 0; }
.pm-desc-title { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.pm-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }
.pm-nostock { font-size: 13px; color: var(--danger); font-weight: 600; margin-bottom: 12px; }
.pm-stock-ok { font-size: 13px; color: #16a34a; font-weight: 600; margin-bottom: 12px; }

/* Cursor pointer en product-card */
.product-card { cursor: pointer; }

/* ── FOOTER ──────────────────────────────────────────── */
.tienda-footer {
  background: #060E24;
  color: rgba(255,255,255,.50);
  padding: 48px 24px 28px;
  margin-top: 60px;
}
.tf-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.tf-logo {
  height: 86px;
  width: auto;
  object-fit: contain;
  background: rgba(255,255,255,.08);
  border-radius: 12px;
  padding: 8px 18px;
}
.tf-info { text-align: left; }
.tf-name {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}
.tf-tag {
  font-size: 12px;
  color: #94a3b8;
  margin-bottom: 6px;
}
.tf-contact {
  font-size: 13px;
  color: #94a3b8;
  display: flex;
  align-items: center;
  gap: 6px;
}
.tf-contact i { color: #60a5fa; }
.tf-links {
  display: flex;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.tf-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #64748b;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,.07);
  transition: var(--transition);
  text-decoration: none;
}
.tf-links a:hover {
  color: #fff;
  background: rgba(29,78,216,.35);
  border-color: rgba(29,78,216,.5);
}
.tf-links a i { font-size: 14px; color: #60a5fa; }
.tf-bottom p { font-size: 12px; text-align: center; color: #334155; }

/* ── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 640px) {

  /* ── Navbar ── */
  .tienda-nav {
    padding: 0 12px;
    height: 56px;
    gap: 8px;
  }
  .tienda-nav .brand {
    font-size: 14px;
    gap: 7px;
    min-width: 0;        /* permite que el flex hijo se encoja */
    overflow: hidden;
  }
  .tienda-nav .brand img { height: 44px; flex-shrink: 0; }
  .tienda-nav .brand span:not(.brand-dot) {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    max-width: 130px;
  }
  .nav-search { display: none; }
  .nav-btn-label { display: none; }
  /* En móvil ocultar WhatsApp (ya está el chat accesible desde el hero) */
  .nav-btn-wa { display: none; }
  .nav-actions { gap: 6px; }
  .nav-btn { padding: 7px 11px; font-size: 13px; }
  .nav-btn-cart { padding: 7px 13px; font-size: 16px; }

  /* ── Hero ── */
  .hero { padding: 0; }
  .hero-inner {
    padding: 32px 16px 52px;
  }
  .hero-logo { height: 220px; max-width: 92%; padding: 16px 28px; margin-bottom: 20px; }
  .hero h1 { font-size: 22px; margin-bottom: 6px; }
  .hero-sub { font-size: 13px; margin-bottom: 20px; }

  /* ── Buscador en móvil: columna limpia ── */
  .hero-search {
    flex-direction: column;
    overflow: visible;
    background: transparent;
    box-shadow: none;
    gap: 10px;
    max-width: 100%;
    border-radius: 0;
    margin-bottom: 18px;
  }
  .hero-search-icon { display: none; }
  .hero-search input {
    width: 100%;
    box-sizing: border-box;
    padding: 14px 18px;
    border-radius: 50px;
    font-size: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,.18);
    background: #fff;
  }
  .hero-search button {
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
    border-radius: 50px;
    font-size: 15px;
  }

  /* ── Trust pills ── */
  .hero-trust { gap: 7px; }
  .hero-trust span { font-size: 11px; padding: 5px 11px; }

  /* ── Secciones / títulos de módulo ── */
  .section-wrap { padding: 0 12px; }
  .catalog-header { padding: 18px 0 2px; gap: 6px; }
  .catalog-title { font-size: 16px; gap: 6px; }
  .catalog-title i { font-size: 15px; }
  .catalog-sub { font-size: 12px; }
  .cats-section { padding: 12px 0 4px; }
  .cats-scroll { padding: 2px 12px 6px; gap: 6px; }
  .cat-chip { font-size: 12px; padding: 6px 13px; }

  /* ── Grid y resto ── */
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .cart-item { grid-template-columns: 56px 1fr; }
  .cart-item .qty-control, .cart-item .btn-delete { grid-column: 2; }
  .checkout-page, .carrito-page { padding: 20px 12px 80px; }
  .auth-body { padding: 20px; }
  .success-card { padding: 32px 20px; }
  .fab-cart { width: 54px; height: 54px; bottom: 18px; right: 16px; }
  .fab-cart i { font-size: 22px; }
}

@media (min-width: 900px) {
  .products-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
}