/* ══════════════════════════════════════════════════════════════
   TECHBUY — shared.css
   Sistema de header unificado de 3 barras para TODAS las páginas.
   El header (barra 1) se oculta con transform al hacer scroll down.
   Las barras 2 (nav) y 3 (breadcrumb) suben junto con él y quedan
   pegadas en top:0 cuando el header se oculta.

   Páginas que usan este archivo:
   1.html, categorias.html, contacto.html, ofertas.html,
   perfil.html, producto.html, carrito.html
══════════════════════════════════════════════════════════════ */

/* ─── FONTS ────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@400;600;700;800;900&family=Inter:wght@300;400;500;600&display=swap');

/* ─── VARIABLES ─────────────────────────────────────────── */
:root {
  --navy:   #0d1b3e;
  --blue:   #1a2fcc;
  --cyan:   #00d4ff;
  --pink:   #ff2d8a;
  --yellow: #ffd600;
  --gray:   #f0f2f8;
  --muted:  #5a6080;
  --white:  #ffffff;
  --text:   #1a1a2e;
  /* Alturas de las barras — usadas para padding-top del body */
  --hdr-h:   86px;
  --nav-h:   50px;
  --bc-h:    46px;
}

/* ─── RESET ─────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { min-height: 100vh; overflow-x: hidden; }
body { min-height: 100vh; display: flex; flex-direction: column; overflow-x: hidden; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--gray); color: var(--text);
  padding-top: 120px; /* fallback; JS sobreescribe con altura real */
}
a { text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
ul { list-style: none; }

/* Sticky footer: main content expands to push footer down */
.tb-main { flex: 1; }

/* ══════════════════════════════════════════════════════════════
   HEADER WRAPPER — todas las barras agrupadas en un fixed
   El scroll JS traduce #tb-header-scroll hacia arriba para
   ocultar la barra 1, dejando las barras 2 y 3 pegadas en top:0.
══════════════════════════════════════════════════════════════ */
#tb-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 201;
}

/* Contenedor interno que se ANIMA con transform.
   Cuando header se oculta: translateY(-var(--hdr-h))
   Cuando header aparece: translateY(0) */
#tb-header-scroll {
  transition: transform 0.30s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
  box-shadow: 0 4px 20px rgba(13,27,62,.18);
}

/* Barras 2 y 3 son siempre fixed en top:0 — NO dentro de scroll */
#tb-header-bar2, #tb-header-bar3 {
  position: relative; /* queda en el flow normal dentro del fixed wrapper */
}

/* ─── BARRA 1: HEADER SUPERIOR (logo, búsqueda, acciones) ─── */
#tb-header-bar1 {
  background: var(--white);
  /* Barra 1 tiene height fija de 86px */
}
.tb-header-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; gap: 20px; padding: 0 20px;
  height: var(--hdr-h); box-sizing: border-box;
}
.tb-logo {
  display: flex; align-items: center; cursor: pointer; flex-shrink: 0;
}
.tb-logo-img {
  height: 76px; width: auto; display: block; object-fit: contain;
  transition: opacity .2s, transform .2s;
}
.tb-logo-img:hover { opacity: 0.88; transform: scale(1.02); }

.tb-search {
  flex: 1; position: relative;
}
.tb-search input {
  width: 100%; padding: 10px 48px 10px 16px;
  border: 2px solid #e0e4f0; border-radius: 30px;
  font-size: 14px; outline: none; transition: .2s; font-family: 'Inter', sans-serif;
}
.tb-search input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,47,204,.08);
}
.tb-search-sug {
  position: absolute; top: calc(100% + 4px); left: 0; right: 0;
  background: #fff; border: 1.5px solid #e0e4f0; border-radius: 14px;
  box-shadow: 0 8px 32px rgba(10,15,36,.12); z-index: 9999;
  display: none; overflow: hidden; max-height: 380px; overflow-y: auto;
}
.tb-search-sug::-webkit-scrollbar { width: 4px; }
.tb-search-sug::-webkit-scrollbar-track { background: #f0f2f8; }
.tb-search-sug::-webkit-scrollbar-thumb { background: #c0c8e0; border-radius: 4px; }
.tb-search-sug.open { display: block; }
.tb-sug-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 16px; cursor: pointer; transition: .12s;
  border-bottom: 1px solid #f0f2f8;
}
.tb-sug-item:last-child { border-bottom: none; }
.tb-sug-item:hover,
.tb-sug-item.active { background: #f0f3ff; border-left: 3px solid var(--blue); }
.tb-sug-icon { font-size: 20px; width: 32px; text-align: center; flex-shrink: 0; color: var(--muted); }
.tb-sug-info { flex: 1; overflow: hidden; }
.tb-sug-name {
  font-size: 13px; font-weight: 600; color: var(--navy);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  font-family: 'Exo 2', sans-serif;
}
.tb-sug-name mark { background: none; color: var(--blue); font-weight: 700; text-decoration: underline; }
.tb-sug-brand { font-size: 11px; color: var(--muted); margin-top: 1px; }
.tb-sug-arrow { color: #c0c8e0; font-size: 14px; }
.tb-sug-empty { padding: 20px 16px; text-align: center; color: var(--muted); font-size: 13px; }
.tb-srch-btn {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  background: var(--blue); border: none; border-radius: 30px;
  color: #fff; width: 40px; height: 36px;
  display: flex; align-items: center; justify-content: center; transition: .2s;
}
.tb-srch-btn:hover { background: var(--pink); }
.tb-actions { display: flex; align-items: center; gap: 10px; }
.tb-btn-acct {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--navy); padding: 8px 14px;
  border-radius: 20px; border: none; background: transparent; transition: .2s;
}
.tb-btn-acct:hover { background: var(--gray); }
.tb-btn-cart {
  background: var(--navy); color: #fff; border: none;
  border-radius: 22px; padding: 9px 18px;
  display: flex; align-items: center; gap: 8px;
  font-family: 'Exo 2', sans-serif; font-weight: 700; font-size: 14px;
  position: relative; transition: .2s;
}
.tb-btn-cart:hover { background: var(--blue); }
.tb-cart-badge {
  background: var(--pink); color: #fff; border-radius: 50%;
  font-size: 11px; font-weight: 700; min-width: 18px; height: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  position: absolute; top: -4px; right: -4px;
}

/* ─── BARRA 2: NAV (inicio, categorías, etc.) ─────────────── */
#tb-header-bar2 {
  background: var(--navy);
  box-shadow: 0 3px 12px rgba(0,0,0,.25);
}
.tb-nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; justify-content: center;
}
.tb-nav-link {
  color: #cdd3f0; font-family: 'Exo 2', sans-serif;
  font-weight: 700; font-size: 13px; letter-spacing: .8px;
  text-transform: uppercase; padding: 14px 32px;
  border: none; background: transparent; display: flex; align-items: center; gap: 6px;
  transition: .2s; position: relative; text-decoration: none;
}
.tb-nav-link:hover { color: #fff; background: rgba(255,255,255,.08); }
.tb-nav-link.active { color: #fff; background: rgba(255,255,255,.08); }
.tb-nav-link.active::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
  background: var(--cyan);
}

/* ─── BARRA 3: BREADCRUMB ─────────────────────────────────── */
#tb-header-bar3 {
  background: var(--white); border-bottom: 1px solid #e8ebf5;
}
.tb-bc-inner {
  max-width: 1200px; margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; gap: 8px;
}
.tb-bc-link { color: var(--muted); font-size: 13px; font-weight: 500; font-family: 'Exo 2', sans-serif; text-decoration: none; transition: .2s; }
.tb-bc-link:hover { color: var(--blue); }
.tb-bc-sep { color: #c0c8e0; font-size: 11px; }
.tb-bc-current { color: var(--navy); font-size: 13px; font-weight: 700; font-family: 'Exo 2', sans-serif; }

/* ══════════════════════════════════════════════════════════════
   COMMON UI COMPONENTS
══════════════════════════════════════════════════════════════ */

/* Product grid */
.prod-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.prod-card {
  background: #fff; border-radius: 16px; overflow: hidden;
  box-shadow: 0 2px 14px rgba(26,47,204,.07);
  transition: .25s; border: 2px solid transparent; cursor: pointer; position: relative;
  display: flex; flex-direction: column;
}
.prod-card:hover { transform: translateY(-5px); border-color: var(--blue); box-shadow: 0 12px 32px rgba(26,47,204,.15); }
.prod-badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  font-family: 'Exo 2', sans-serif; font-weight: 700; font-size: 10px;
  border-radius: 6px; padding: 3px 8px; text-transform: uppercase; letter-spacing: .5px;
}
.badge-new  { background: var(--cyan);   color: var(--navy); }
.badge-sale { background: var(--yellow); color: var(--navy); }
.badge-agotado { background: #e74c3c; color: #fff; }
.prod-img {
  height: 200px; display: flex; align-items: center; justify-content: center; font-size: 72px;
}
.prod-info   { padding: 16px; flex: 1; display: flex; flex-direction: column; }
.prod-brand  { align-self: flex-start; display: inline-flex; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: #111827; background: #d1d5db; padding: 2px 10px; border-radius: 20px; margin-bottom: 6px; }
.prod-name   { font-family: 'Exo 2', sans-serif; font-weight: 700; font-size: 15px; color: var(--navy); margin-bottom: 6px; line-height: 1.3; }
.prod-price-row { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.prod-price { font-family: 'Exo 2', sans-serif; font-weight: 900; font-size: 21px; color: var(--blue); }
.prod-old   { font-size: 13px; color: #aaa; text-decoration: line-through; }
.btn-add {
  width: 100%; background: var(--navy); color: #fff; border: none;
  border-radius: 10px; padding: 12px;
  font-family: 'Exo 2', sans-serif; font-weight: 700; font-size: 14px; transition: .2s;
  position: relative; z-index: 2; margin-top: auto;
}
.btn-add:hover { background: var(--blue); }
.prod-card .btn-add { position: relative; z-index: 2; }

/* Cart sidebar */
/* Toast */
/* ─── NOTIFICATION STACK ───────────────────────────────────── */
#tb-notif-stack {
  position: fixed; bottom: 24px; right: 24px; z-index: 99999;
  display: flex; flex-direction: column-reverse; gap: 10px;
  pointer-events: none; width: 340px; max-width: calc(100vw - 32px);
}

.tb-notif {
  display: flex; align-items: flex-start; gap: 12px;
  background: #fff; border-radius: 16px;
  padding: 14px 16px 16px;
  box-shadow: 0 8px 32px rgba(10,15,36,.14), 0 2px 8px rgba(10,15,36,.08);
  pointer-events: all; position: relative; overflow: hidden;
  animation: notifSlideIn .35s cubic-bezier(.34,1.4,.64,1) forwards;
  border: 1px solid rgba(0,0,0,.06);
  will-change: transform, opacity;
}
.tb-notif.hiding {
  animation: notifSlideOut .28s cubic-bezier(.4,0,1,1) forwards;
}

@keyframes notifSlideIn {
  from { opacity: 0; transform: translateX(60px) scale(.92); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}
@keyframes notifSlideOut {
  from { opacity: 1; transform: translateX(0) scale(1); max-height: 120px; margin-bottom: 0; }
  to   { opacity: 0; transform: translateX(60px) scale(.92); max-height: 0; margin-bottom: -10px; padding: 0; }
}

/* Icon circle */
.tb-notif-icon {
  width: 38px; height: 38px; border-radius: 12px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; margin-top: 1px;
}

/* Content */
.tb-notif-body  { flex: 1; min-width: 0; }
.tb-notif-title { font-family: 'Exo 2', sans-serif; font-weight: 700; font-size: 13px; color: #0d1b3e; margin-bottom: 3px; }
.tb-notif-msg   { font-size: 13px; color: #64748b; font-weight: 500; line-height: 1.45; }

/* Close btn */
.tb-notif-close {
  width: 24px; height: 24px; border-radius: 8px; border: none;
  background: #f1f5f9; color: #94a3b8; font-size: 12px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 1px; transition: .15s;
}
.tb-notif-close:hover { background: #e2e8f0; color: #475569; }

/* Progress bar */
.tb-notif-bar {
  position: absolute; bottom: 0; left: 0; height: 3px;
  border-radius: 0 0 16px 16px; transition: width linear;
}

/* Type variants */
.tb-notif-success .tb-notif-icon { background: #dcfce7; color: #16a34a; }
.tb-notif-success .tb-notif-bar  { background: #16a34a; }

.tb-notif-error .tb-notif-icon { background: #fee2e2; color: #dc2626; }
.tb-notif-error .tb-notif-bar  { background: #dc2626; }

.tb-notif-warn .tb-notif-icon { background: #fef3c7; color: #d97706; }
.tb-notif-warn .tb-notif-bar  { background: #d97706; }

.tb-notif-info .tb-notif-icon { background: #dbeafe; color: #2563eb; }
.tb-notif-info .tb-notif-bar  { background: #2563eb; }

.tb-notif-cart .tb-notif-icon { background: #ede9fe; color: #7c3aed; }
.tb-notif-cart .tb-notif-bar  { background: #7c3aed; }

.tb-notif-heart .tb-notif-icon { background: #ffe4f0; color: #e11d73; }
.tb-notif-heart .tb-notif-bar  { background: #e11d73; }

/* ── Mobile compact notification ─────────────────────────── */
@media (max-width: 768px) {
  #tb-notif-stack {
    bottom: max(16px, env(safe-area-inset-bottom, 16px));
    right: 50%; transform: translateX(50%);
    width: calc(100% - 32px); max-width: 400px; gap: 0;
  }

  .tb-notif-mobile {
    padding: 10px 14px; border-radius: 12px;
    align-items: center; min-height: 48px; max-height: 60px;
    gap: 10px; animation: notifMobileIn .25s ease-out forwards;
  }

  .tb-notif-mobile.hiding {
    animation: notifMobileOut .2s ease-in forwards;
  }

  .tb-notif-mobile .tb-notif-icon {
    width: 28px; height: 28px; font-size: 13px; border-radius: 8px;
    margin-top: 0; flex-shrink: 0;
  }

  .tb-notif-mobile .tb-notif-title { display: none; }
  .tb-notif-mobile .tb-notif-close { display: none; }
  .tb-notif-mobile .tb-notif-bar  { display: none; }

  .tb-notif-mobile .tb-notif-msg {
    flex: 1; font-size: 13px; font-weight: 600; color: #0d1b3e;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    line-height: 1.3;
  }
}

@keyframes notifMobileIn {
  from { opacity: 0; transform: translateY(20px) scale(.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes notifMobileOut {
  from { opacity: 1; transform: translateY(0) scale(1); max-height: 60px; }
  to   { opacity: 0; transform: translateY(12px) scale(.95); max-height: 0; padding: 0; margin-bottom: 0; }
}

.tb-notif-cart-link {
  display: inline-flex; align-items: center;
  padding: 6px 12px; background: var(--blue); color: #fff;
  border-radius: 8px; font-size: 12px; font-weight: 600;
  cursor: pointer; white-space: nowrap; text-decoration: none;
  flex-shrink: 0; transition: .15s;
}
.tb-notif-cart-link:hover { background: var(--navy); }

/* ── Legacy .toast kept hidden so pages with #toast don't break ── */
.toast { display: none !important; }

/* ─── FOOTER ──────────────────────────────────────────────── */
footer { background: var(--navy); color: #a0b0d0; padding: 32px 0 16px; }
.foot-inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.foot-grid  { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 28px; }
.foot-logo  { font-family: 'Exo 2', sans-serif; font-weight: 700; font-size: 22px; color: #fff; margin-bottom: 8px; }
.foot-desc  { font-size: 13px; line-height: 1.7; }
.foot-title { font-family: 'Exo 2', sans-serif; font-weight: 700; font-size: 14px; color: #fff; margin-bottom: 12px; }
.foot-links li { margin-bottom: 8px; }
.foot-links a  { color: #a0b0d0; font-size: 13px; transition: .2s; }
.foot-links a:hover { color: var(--cyan); }
.foot-bottom {
  border-top: 1px solid rgba(255,255,255,.07); padding-top: 16px;
  text-align: center; font-size: 12px; color: rgba(160,176,208,.6);
}

.foot-payment { margin-top: 10px; padding-top: 10px; border-top: 1px solid rgba(255,255,255,.07); }
.foot-payment-icons { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

@media (max-width: 768px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) {
  footer { padding: 14px 0 8px; margin-top: 16px; }
  .foot-inner { padding: 0 12px; }
  .foot-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px; margin-bottom: 10px;
  }
  .foot-grid > :nth-child(1) { grid-column: 1 / -1; }
  .foot-grid > :nth-child(2) { display: none; }
  .foot-grid > :nth-child(4) { grid-column: 1 / -1; display: flex; gap: 12px; }
  .foot-grid > :nth-child(4) > * { flex: 1; min-width: 0; }
  .foot-logo { font-size: 16px; margin-bottom: 2px; }
  .foot-desc { font-size: 11px; line-height: 1.35; margin-bottom: 0; }
  .foot-title { font-size: 12px; margin-bottom: 5px; }
  .foot-links li { margin-bottom: 2px; }
  .foot-links a { font-size: 11px; }
  .foot-bottom { padding-top: 6px; font-size: 10px; }
  .foot-payment { margin-top: 0; padding-top: 0; border-top: none; }
  .foot-payment-icons { justify-content: center; }
  .foot-payment .tb-payment-icon { width: 36px; height: 24px; }
}

/* ══════════════════════════════════════════════════════════════
   MOBILE HAMBURGER MENU
   ══════════════════════════════════════════════════════════════ */
.tb-hamburger {
  display: none; width: 36px; height: 36px; flex-shrink: 0;
  flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  background: none; border: none; cursor: pointer; padding: 4px;
  border-radius: 8px; transition: background .2s;
}
.tb-hamburger span {
  display: block; width: 20px; height: 2.5px; background: var(--navy);
  border-radius: 4px; transition: .25s;
}
.tb-hamburger:hover { background: var(--gray); }

/* Menu panel — slide from left */
.tb-menu-panel {
  position: fixed; top: 0; left: 0; bottom: 0; width: 280px;
  z-index: 999; background: #fff;
  transform: translateX(-100%); transition: transform .3s cubic-bezier(.25,.46,.45,.94);
  box-shadow: 2px 0 30px rgba(0,0,0,.12); display: flex; flex-direction: column;
  overflow-y: auto;
}
.tb-menu-panel.open { transform: translateX(0); }
.tb-menu-header {
  display: flex; align-items: center; gap: 10px; padding: 16px 18px;
  border-bottom: 1px solid #e8ebf5;
}
.tb-menu-header img { height: 32px; width: auto; }
.tb-menu-header span { font-family: 'Exo 2', sans-serif; font-weight: 700; font-size: 16px; color: var(--navy); }
.tb-menu-close {
  margin-left: auto; width: 32px; height: 32px; border-radius: 8px;
  border: none; background: var(--gray); font-size: 18px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; color: var(--muted);
  transition: .2s;
}
.tb-menu-close:hover { background: #e0e4f0; color: var(--navy); }
.tb-menu-nav { display: flex; flex-direction: column; padding: 8px 0; }
.tb-menu-link {
  display: flex; align-items: center; gap: 14px; padding: 14px 18px;
  font-family: 'Exo 2', sans-serif; font-weight: 700; font-size: 15px;
  color: var(--navy); text-decoration: none; transition: .12s;
  border-left: 3px solid transparent;
}
.tb-menu-link i { width: 20px; text-align: center; font-size: 16px; color: var(--muted); }
.tb-menu-link:hover { background: #f0f3ff; border-left-color: var(--blue); color: var(--blue); }
.tb-menu-link:hover i { color: var(--blue); }
.tb-menu-link.active { background: #f0f3ff; border-left-color: var(--blue); color: var(--blue); }
.tb-menu-link.active i { color: var(--blue); }
.tb-menu-overlay {
  position: fixed; inset: 0; z-index: 998;
  background: rgba(10,15,36,.6); backdrop-filter: blur(4px);
  opacity: 0; visibility: hidden; transition: .3s;
}
.tb-menu-overlay.open { opacity: 1; visibility: visible; }

/* Breadcrumb back link (mobile) */
.tb-bc-back {
  display: none; align-items: center; gap: 6px;
  font-family: 'Exo 2', sans-serif; font-weight: 700; font-size: 13px;
  color: var(--navy); text-decoration: none;
}
.tb-bc-back i { font-size: 14px; }
.tb-bc-back:hover { color: var(--blue); }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Barra 1: fila única hamburger + logo + acciones, búsqueda abajo compacta */
  .tb-header-inner {
    flex-wrap: wrap; height: auto;
    padding: 6px 12px; gap: 6px;
  }

  /* Hamburger visible */
  .tb-hamburger { display: flex; }

  /* Logo */
  .tb-logo-img { height: 32px; }

  /* Acciones */
  .tb-actions { gap: 4px; margin-left: auto; }
  .tb-btn-acct { padding: 5px 8px; font-size: 0; gap: 0; }
  .tb-btn-acct i { font-size: 17px; }
  .tb-btn-cart { padding: 5px 10px; font-size: 0; gap: 0; border-radius: 16px; }
  .tb-btn-cart i { font-size: 17px; }
  .tb-cart-badge { font-size: 9px; min-width: 15px; height: 15px; top: -2px; right: -2px; }

  /* Buscador fila completa — propia fila, sin compartir */
  .tb-search { order: 3; flex: 0 0 100%; width: 100%; }
  .tb-search input { height: 36px; font-size: 13px; padding: 0 40px 0 12px; }
  .tb-srch-btn { width: 32px; height: 32px; font-size: 12px; }

  /* Nav compacta (se oculta completamente en ≤ 600px) */
  .tb-nav-link { padding: 9px 10px; font-size: 10px; letter-spacing: .4px; gap: 4px; }
  .tb-nav-link i { font-size: 12px; }

  .prod-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
}

/* ── MÓVIL ESTRECHO (≤ 600px) — menú hamburguesa + sin barra 2 ─── */
@media (max-width: 600px) {
  /* Ocultar barra de navegación horizontal */
  #tb-header-bar2 { display: none; }

  /* Header: 2 filas — Fila 1: iconos premium, Fila 2: buscador ancho */
  .tb-header-inner {
    flex-wrap: wrap; height: auto;
    padding: 4px 8px; gap: 6px;
  }

  /* Logo */
  .tb-logo-img { height: 28px; }

  /* Hamburger */
  .tb-hamburger { width: 34px; height: 34px; gap: 4px; }
  .tb-hamburger span { width: 18px; height: 2.5px; }

  /* Acciones — proporcionadas, alineación vertical */
  .tb-actions { gap: 2px; margin-left: auto; align-self: center; }
  .tb-btn-acct { padding: 4px 6px; font-size: 0; gap: 0; }
  .tb-btn-acct i { font-size: 19px; }
  .tb-btn-cart { padding: 4px 8px; font-size: 0; gap: 0; border-radius: 14px; }
  .tb-btn-cart i { font-size: 19px; }
  .tb-cart-badge { font-size: 8px; min-width: 14px; height: 14px; top: -3px; right: -3px; }

  /* Buscador: fila independiente, ocupa todo el ancho */
  .tb-search { order: 3; flex: 0 0 100%; width: 100%; }
  .tb-search input { height: 46px; font-size: 14px; padding: 0 46px 0 14px; border-radius: 30px; }
  .tb-srch-btn { width: 36px; height: 36px; font-size: 14px; border-radius: 30px; }

  /* Breadcrumb: ocultar links + separadores, mostrar back */
  #tb-header-bar3 .tb-bc-link,
  #tb-header-bar3 .tb-bc-sep,
  #tb-header-bar3 .tb-bc-current { display: none; }
  #tb-header-bar3 .tb-bc-back { display: inline-flex; }
  #tb-header-bar3 .tb-bc-inner { padding: 8px 12px; }

  /* Search autocomplete — compacto móvil */
  .tb-search-sug {
    max-height: 320px; border-radius: 12px;
    box-shadow: 0 4px 20px rgba(10,15,36,.1);
  }
  .tb-sug-item { padding: 8px 12px; gap: 10px; }
  .tb-sug-img { width: 44px; height: 44px; }
  .tb-sug-icon { font-size: 18px; width: 28px; }
  .tb-sug-name { font-size: 13px; }
  .tb-sug-brand { font-size: 11px; margin-top: 0; }
  .tb-sug-arrow { font-size: 14px; }
  .tb-sug-see-all {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px; font-family: 'Exo 2', sans-serif; font-weight: 700;
    font-size: 12px; color: var(--blue); cursor: pointer; transition: .12s;
    border-top: 1px solid #f0f2f8; text-decoration: none;
  }
  .tb-sug-see-all:hover { background: #f0f3ff; }
  .tb-sug-see-all i { font-size: 11px; }
  .tb-sug-empty { padding: 14px 12px; font-size: 13px; }
}

@media (max-width: 480px) {
  .prod-grid { display: grid; grid-template-columns: 1fr; gap: 16px; justify-items: center; }
  .prod-card { width: 100%; max-width: 380px; border-radius: 12px; }
  .prod-card img { max-width: 100%; height: auto; object-fit: contain; }
  .prod-badge { top: 8px; left: 8px; font-size: 8px; padding: 2px 6px; }
  .prod-img { height: auto; min-height: 160px; font-size: 48px; }
  .prod-info { padding: 8px; }
  .prod-brand { font-size: 9px; padding: 1px 8px; margin-bottom: 4px; }
  .prod-name { font-size: 12px; margin-bottom: 4px; }
  .prod-price-row { margin-bottom: 8px; }
  .prod-price { font-size: 15px; }
  .prod-old { font-size: 11px; }
  .btn-add { padding: 10px; font-size: 12px; border-radius: 8px; }
}
/* ── Payment brand icons (payment-icons CDN) ────────────────── */
.tb-payment-icon {
  display: inline-block;
  width: 42px;
  height: 28px;
  object-fit: contain;
  border-radius: 4px;
  vertical-align: middle;
  flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════════════
   AUTH MODAL — estilos compartidos (inyectado desde shared.js)
   Necesario para páginas que no cargan 1.css
══════════════════════════════════════════════════════════════ */
/* ══════════════════════════════════════════════════════════════
   AUTH MODAL — nuevo diseño
══════════════════════════════════════════════════════════════ */
.acct-overlay {
  position: fixed; inset: 0; background: rgba(13,27,62,.55);
  z-index: 9000; display: none; align-items: center; justify-content: center;
  backdrop-filter: blur(8px);
}
.acct-overlay.open { display: flex; }

.acct-modal {
  background: #fff; border-radius: 24px; width: 100%;
  max-width: 460px; max-height: 92vh; overflow-y: auto;
  box-shadow: 0 32px 80px rgba(13,27,62,.22);
  animation: tbModalIn .28s cubic-bezier(.34,1.4,.64,1);
  position: relative;
}
@keyframes tbModalIn {
  from { opacity: 0; transform: translateY(32px) scale(.95); }
  to   { opacity: 1; transform: none; }
}

/* Botón cerrar */
.auth-close-x {
  position: absolute; top: 16px; right: 16px;
  background: #f1f3fb; border: none; border-radius: 50%;
  width: 34px; height: 34px; display: flex; align-items: center; justify-content: center;
  font-size: 15px; color: var(--muted,#6b7aaa); cursor: pointer; transition: .18s; z-index: 2;
}
.auth-close-x:hover { background: #e2e6f5; color: var(--navy,#0d1b3e); }

/* Panel */
.auth-panel {
  display: flex; flex-direction: column; gap: 14px;
  padding: 36px 36px 32px;
}

/* Brand */
.auth-brand {
  display: flex; align-items: center; gap: 10px; margin-bottom: 4px;
}
.auth-logo-img {
  width: 36px; height: 36px; border-radius: 10px; object-fit: cover;
  box-shadow: 0 2px 8px rgba(13,27,62,.15);
}
.auth-brand-name {
  font-size: 18px; font-weight: 600; color: var(--navy,#0d1b3e); letter-spacing: -.02em;
}

/* Títulos */
.auth-title {
  font-size: 22px; font-weight: 600; color: var(--navy,#0d1b3e);
  margin: 0; letter-spacing: -.02em; line-height: 1.2;
}
.auth-subtitle {
  font-size: 13.5px; color: var(--muted,#6b7aaa); margin: 0; line-height: 1.5;
}

/* Campos */
.auth-field { display: flex; flex-direction: column; gap: 6px; }
.auth-label {
  font-size: 10.5px; font-weight: 700; letter-spacing: .08em;
  color: var(--muted,#6b7aaa); text-transform: uppercase;
}
.auth-input {
  border: 1.5px solid #dde2f0; border-radius: 11px; padding: 11px 14px;
  font-size: 14px; color: var(--navy,#0d1b3e); background: #f8f9fd;
  font-family: inherit; width: 100%; box-sizing: border-box; transition: .18s;
}
.auth-input:focus {
  outline: none; border-color: var(--blue,#1a2fcc);
  background: #fff; box-shadow: 0 0 0 3px rgba(26,47,204,.10);
}

/* Ojo de contraseña */
.auth-input-eye { position: relative; }
.auth-input-eye .auth-input { padding-right: 42px; }
.auth-eye-btn {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--muted,#6b7aaa);
  cursor: pointer; font-size: 15px; padding: 4px; transition: .15s;
}
.auth-eye-btn:hover { color: var(--navy,#0d1b3e); }

/* Extras (recuérdame + olvidé) */
.auth-row-extras {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: -2px;
}
.auth-remember {
  display: flex; align-items: center; gap: 7px;
  font-size: 13px; color: var(--navy,#0d1b3e); cursor: pointer; user-select: none;
}
.auth-remember input { accent-color: var(--blue,#1a2fcc); width: 15px; height: 15px; cursor: pointer; }
.auth-forgot {
  background: none; border: none; font-size: 13px; color: var(--blue,#1a2fcc);
  cursor: pointer; font-family: inherit; padding: 0; font-weight: 500;
  transition: .15s;
}
.auth-forgot:hover { color: var(--navy,#0d1b3e); text-decoration: underline; }

/* Mensaje */
.auth-msg { font-size: .85rem; min-height: 18px; margin: 0; }
.auth-msg.error   { color: #e74c3c; }
.auth-msg.success { color: #27ae60; }

/* Botón principal */
.auth-btn-main {
  width: 100%; padding: 14px; background: var(--blue,#1a2fcc); color: #fff;
  border: none; border-radius: 12px; font-size: 15px; font-weight: 700;
  font-family: inherit; cursor: pointer; transition: .2s; margin-top: 2px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.auth-btn-main:hover { background: #1535c4; box-shadow: 0 8px 24px rgba(26,47,204,.3); transform: translateY(-1px); }
.auth-btn-main:active { transform: none; box-shadow: none; }

/* Enlace para cambiar panel */
.auth-switch {
  text-align: center; font-size: 13.5px; color: var(--muted,#6b7aaa); margin: 0;
}
.auth-switch-link {
  background: none; border: none; color: var(--blue,#1a2fcc); font-weight: 700;
  cursor: pointer; font-family: inherit; font-size: 13.5px; padding: 0; transition: .15s;
}
.auth-switch-link:hover { color: var(--navy,#0d1b3e); text-decoration: underline; }

/* Grid 2 col para nombre/apellido */
.acct-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* Legacy: acct-btn-primary (usado fuera del modal auth) */
.acct-btn-primary {
  width: 100%; padding: 14px; background: var(--blue,#1a2fcc); color: #fff;
  border: none; border-radius: 12px; font-size: 15px; font-weight: 700;
  font-family: inherit; cursor: pointer; transition: .2s;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.acct-btn-primary:hover { background: #1535c4; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(26,47,204,.35); }
.acct-input-wrap { display: flex; flex-direction: column; gap: 5px; }
.acct-label { font-size: 11px; font-weight: 700; letter-spacing: .06em; color: var(--muted,#6b7aaa); text-transform: uppercase; }
.acct-input-wrap input {
  border: 1.5px solid #dde2f0; border-radius: 10px; padding: 10px 14px;
  font-size: 14px; color: var(--navy,#0d1b3e); background: #fff; transition: .18s;
  font-family: inherit; width: 100%; box-sizing: border-box;
}
.acct-input-wrap input:focus { outline: none; border-color: var(--blue,#1a2fcc); box-shadow: 0 0 0 3px rgba(26,47,204,.1); }
.chk-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 28px 16px; border-bottom: 1px solid #e8ebf5;
  position: sticky; top: 0; background: #fff; z-index: 2;
}
.chk-header h2 { font-size: 20px; font-weight: 600; color: var(--navy,#0d1b3e); margin: 0; }
.acct-close {
  background: none; border: none; font-size: 20px; cursor: pointer;
  color: var(--muted,#6b7aaa); padding: 4px 8px; border-radius: 8px; transition: .18s;
}
.acct-close:hover { background: var(--gray,#f1f3fb); color: var(--navy,#0d1b3e); }

@media (max-width: 600px) {
  .acct-modal { border-radius: 20px 20px 0 0; width: 100%; max-width: 100%; position: fixed; bottom: 0; left: 0; right: 0; max-height: 95vh; }
  .auth-panel { padding: 28px 20px 24px; }
  .acct-row   { grid-template-columns: 1fr; gap: 14px; }
}

/* ══════════════════════════════════════════════════════════════
   IMAGE CONTAINERS — centrado flexbox + overflow hidden
   Se aplica a TODAS las páginas vía shared.css
══════════════════════════════════════════════════════════════ */
.prod-img,
.carousel-img,
.cart-page-item-img,
.perfil-fav-img,
.citem-img {
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.prod-img { width: 100%; }
.carousel-img { width: 100%; }
.perfil-fav-img { width: 100%; }

.prod-img img,
.carousel-img img,
.cart-page-item-img img,
.perfil-fav-img img,
.citem-img img,
.pdp-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.pdp-main-img img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Fondo blanco para imágenes de producto */
.prod-img,
.carousel-img,
.cart-page-item-img,
.perfil-fav-img,
.citem-img,
.pdp-main-img {
  background: #ffffff;
}

/* Search autocomplete: imagen en cada sugerencia */
.tb-sug-img {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  object-fit: cover;
  object-position: center;
  flex-shrink: 0;
}

/* ─── SHARED PAGINATION ──────────────────────────────────────── */
.tb-pagination {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 28px 0 8px; flex-wrap: wrap;
}
.tb-page-btn {
  min-width: 40px; height: 40px; padding: 0 12px;
  border: 1.5px solid #e0e4f0; border-radius: 10px;
  background: #fff; color: var(--navy); font-size: 14px;
  font-weight: 600; font-family: 'Exo 2', sans-serif;
  cursor: pointer; transition: .2s; display: inline-flex;
  align-items: center; justify-content: center; gap: 4px;
}
.tb-page-btn:hover:not(:disabled) { border-color: var(--blue); color: var(--blue); }
.tb-page-btn.active { background: var(--blue); color: #fff; border-color: var(--blue); }
.tb-page-btn:disabled { opacity: .4; cursor: not-allowed; }
.tb-page-dots { color: var(--muted); font-size: 18px; padding: 0 4px; letter-spacing: 2px; }

@media (max-width: 600px) {
  .tb-page-btn { min-width: 36px; height: 36px; font-size: 13px; padding: 0 8px; }
}