/* =============================================
   HEADER — Topbar + Main Nav + Mobile Menu
   ============================================= */

/* === Topbar === */
.topbar {
  background: linear-gradient(to bottom, #0f2a4a 0%, #091e38 100%);
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  padding-block: var(--space-2);
  letter-spacing: 0.01em;
  border-bottom: none;
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-4);
}

.topbar__promo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.92);
}

.topbar__promo i { font-size: 0.875rem; }

.topbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.topbar__links a {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--ease-fast);
}

.topbar__links a:hover {
  color: white;
}

/* === Main Header === */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(9, 30, 56, 0.90);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: none;
  transition: background var(--ease-slow), border-color var(--ease-slow), box-shadow var(--ease-slow);
}

/* Línea de acento de 2px al pie del header: reemplaza a la vieja barra de
   navegación (que ocupaba 46px). Va pegada al header sticky, así que
   siempre queda visible sin sumar peso visual. */
.header::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(96, 165, 250, 0.45) 25%,
    rgba(56, 189, 248, 0.6) 50%,
    rgba(96, 165, 250, 0.45) 75%,
    transparent 100%
  );
  pointer-events: none;
}

.header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

/* Grilla de 3 columnas: logo (izq) | nav (centro real) | acciones (der).
   Con 1fr a ambos lados, la columna central queda centrada respecto a TODO
   el header, sin importar el ancho del logo o del widget de admin. */
.header__inner {
  height: var(--header-h);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-4);
  min-width: 0;
}

/* === Logo === */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  justify-self: start;
  min-width: 0;
}

.logo__icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-lg);
  flex-shrink: 0;
  object-fit: contain;
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1;
  min-width: 0;
}

.logo__name {
  font-size: var(--text-xl);
  font-weight: var(--font-extrabold);
  color: white;
  letter-spacing: -0.02em;
  transition: color var(--ease-slow);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.logo__name span {
  color: #60a5fa;
  transition: color var(--ease-slow);
}

.logo__tagline {
  font-size: 0.625rem;
  font-weight: var(--font-medium);
  color: rgba(255, 255, 255, 0.45);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--ease-slow);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Logo colors when header turns white */
.header.is-scrolled .logo__name      { color: var(--color-text); }
.header.is-scrolled .logo__name span { color: var(--color-primary); }
.header.is-scrolled .logo__tagline   { color: var(--color-text-muted); }

/* === Search === */
.header__search {
  flex: 1;
  max-width: 480px;
  position: relative;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  gap: var(--space-2);
  transition: border-color var(--ease-base), box-shadow var(--ease-base);
}

.search-box:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-ghost);
  background: var(--color-bg-card);
}

.search-box i {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  flex-shrink: 0;
}

.search-box input {
  flex: 1;
  min-width: 0;
  font-size: var(--text-sm);
  color: var(--color-text);
  background: none;
  border: none;
  outline: none;
}

.search-box input::placeholder {
  color: var(--color-text-muted);
}

.search-box__btn {
  background: var(--color-primary);
  color: white;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  transition: background var(--ease-fast);
  white-space: nowrap;
}

.search-box__btn:hover {
  background: var(--color-primary-dark);
}

/* === Nav Actions (cart, account) === */
/* Columna derecha de la grilla: el widget de admin (o la hamburguesa) se
   pega al borde derecho. En mobile la grilla pasa a flex (ver más abajo). */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  justify-self: end;
}

/* === Navegación dentro del header (desktop) ===
   Columna central de la grilla: queda centrada respecto a todo el header. */
.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  justify-self: center;
}

.header-action {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-lg);
  color: rgba(255, 255, 255, 0.75);
  transition: background var(--ease-fast), color var(--ease-fast);
}

.header-action:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.header-action i {
  font-size: var(--text-xl);
}

.header.is-scrolled .header-action       { color: var(--color-text-secondary); }
.header.is-scrolled .header-action:hover { background: var(--color-bg); color: var(--color-primary); }

.header-action__badge {
  position: absolute;
  top: 5px;
  right: 5px;
  min-width: 18px;
  height: 18px;
  background: var(--color-primary);
  color: white;
  font-size: 10px;
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding-inline: 4px;
  border: 2px solid white;
  line-height: 1;
}

.header-action--cart .header-action__badge {
  background: var(--color-accent);
}

/* === Main Navigation === */
.nav {
  position: sticky;
  top: var(--header-h);
  z-index: calc(var(--z-sticky) - 1);
  background: rgba(4, 16, 35, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: none;
}

.nav__inner {
  display: flex;
  align-items: center;
  height: 46px;
  gap: var(--space-1);
}

.nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: rgba(255, 255, 255, 0.62);
  border-radius: var(--radius-md);
  transition: background var(--ease-fast), color var(--ease-fast);
  white-space: nowrap;
}

.nav__link:hover {
  color: white;
  background: rgba(255, 255, 255, 0.08);
}

.nav__link.is-active {
  color: #93c5fd;
  background: rgba(147, 197, 253, 0.1);
  font-weight: var(--font-semibold);
}

.nav__link i {
  font-size: var(--text-base);
  opacity: 0.7;
}

.nav__divider {
  width: 1px;
  height: 20px;
  background: rgba(255, 255, 255, 0.08);
  margin-inline: var(--space-2);
  flex-shrink: 0;
}

.nav__spacer {
  flex: 1;
}

.nav__promo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-accent);
  padding: var(--space-1) var(--space-3);
  background: rgba(245, 158, 11, 0.12);
  border-radius: var(--radius-md);
  white-space: nowrap;
}

/* === Hamburger (mobile) === */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  padding: var(--space-2);
  color: rgba(255, 255, 255, 0.8);
  transition: background var(--ease-fast), color var(--ease-fast);
}

.hamburger:hover {
  background: rgba(255, 255, 255, 0.1);
}

.header.is-scrolled .hamburger       { color: var(--color-text-secondary); }
.header.is-scrolled .hamburger:hover { background: var(--color-bg); }

.hamburger__line {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--ease-base), opacity var(--ease-base), width var(--ease-base);
}

.hamburger.is-open .hamburger__line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.is-open .hamburger__line:nth-child(2) {
  opacity: 0;
  width: 0;
}

.hamburger.is-open .hamburger__line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* === Mobile Menu Overlay === */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--ease-slow);
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu__panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 85vw);
  background: rgba(9, 30, 56, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--ease-slow);
  overflow-y: auto;
}

.mobile-menu.is-open .mobile-menu__panel {
  transform: translateX(0);
}

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-menu__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.8);
  transition: background var(--ease-fast);
}

.mobile-menu__close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.mobile-menu__nav {
  padding: var(--space-4) var(--space-3);
  flex: 1;
}

.mobile-menu__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: rgba(255, 255, 255, 0.62);
  border-radius: var(--radius-lg);
  transition: background var(--ease-fast), color var(--ease-fast);
}

.mobile-menu__link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: white;
}

.mobile-menu__link i {
  font-size: var(--text-xl);
  width: 24px;
  text-align: center;
}

.mobile-menu__footer {
  padding: var(--space-5) var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* === WhatsApp header button === */
.header-wa-btn {
  white-space: nowrap;
}

/* White WA button on dark header */
.header-wa-btn.btn--primary {
  background: white;
  color: var(--color-primary);
  border-color: white;
}

.header-wa-btn.btn--primary:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: white;
  box-shadow: 0 4px 16px rgba(255, 255, 255, 0.2);
}

/* Indigo WA button when scrolled */
.header.is-scrolled .header-wa-btn.btn--primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.header.is-scrolled .header-wa-btn.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-primary);
}

/* === WhatsApp nav promo override === */
.nav__promo {
  color: #4ade80;
  background: rgba(74, 222, 128, 0.1);
}

.nav__promo:hover {
  background: rgba(74, 222, 128, 0.18);
  color: #86efac;
}

/* === Responsive === */
@media (max-width: 1024px) {
  .topbar__links { display: none; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .topbar { display: none; }
  .nav { display: none; }
  .header__nav { display: none; }
  .header-wa-btn span { display: none; }

  /* Header simple (logo + hamburguesa): volvemos a flex (en desktop es grid),
     el logo se achica con puntos suspensivos y la hamburguesa queda a la
     derecha. Si alguna página tuviera buscador, pasa a su propia fila. */
  .header__inner {
    display: flex;
    flex-wrap: wrap;
    height: auto;
    padding-block: var(--space-3);
    gap: var(--space-3);
  }

  .logo { min-width: 0; flex-shrink: 1; }
  .header__actions { margin-left: auto; }
  .header__search { order: 3; flex: 1 1 100%; min-width: 0; max-width: none; }
}

@media (max-width: 480px) {
  .header__inner { column-gap: var(--space-2); }

  .logo__icon { width: 32px; height: 32px; }
  .logo__name { font-size: var(--text-lg); }

  .header__actions { gap: var(--space-1); }

  .header-action,
  .hamburger {
    width: 36px;
    height: 36px;
  }

  .header-action i { font-size: var(--text-lg); }
}

/* ══════════════════════════════════════════════════════════
   ADMIN — widget de header + modal de login (inyectados por JS)
══════════════════════════════════════════════════════════ */

/* Header user widget */
.h-user-widget { position: relative; display: flex; align-items: center; gap: var(--space-2); }
.h-user-btn {
  display: flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-lg);
  font-size: var(--text-sm); font-weight: var(--font-medium);
  color: rgba(255,255,255,0.85); cursor: pointer;
  transition: background var(--ease-fast);
}
.h-user-btn:hover { background: rgba(255,255,255,0.1); }
.header.is-scrolled .h-user-btn       { color: var(--color-text-secondary); }
.header.is-scrolled .h-user-btn:hover { background: var(--color-bg); color: var(--color-text); }
.h-user-avatar {
  width: 28px; height: 28px; border-radius: var(--radius-full);
  background: rgba(255,255,255,0.2); color: white;
  font-size: 0.75rem; font-weight: var(--font-bold);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.header.is-scrolled .h-user-avatar { background: var(--color-primary-ghost); color: var(--color-primary); }
.h-user-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: white; border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  min-width: 180px; overflow: hidden;
  opacity: 0; transform: translateY(-8px); pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease; z-index: 300;
}
.h-user-dropdown.is-open { opacity: 1; transform: translateY(0); pointer-events: all; }
.dropdown-item {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-4); font-size: var(--text-sm);
  color: var(--color-text-secondary); width: 100%; cursor: pointer;
  transition: background var(--ease-fast), color var(--ease-fast);
}
.dropdown-item:hover         { background: var(--color-bg); color: var(--color-text); }
.dropdown-item--danger:hover { background: #fef2f2; color: #ef4444; }
.dropdown-item i             { font-size: var(--text-base); }

/* Header login button (shown when logged out) */
/* Login btn eliminado — oculto por CSS como seguro extra */
.h-login-btn { display: none !important; }