/* ============================================================
   css/index.css
   Estilos específicos para index.html (landing pública).

   Estructura:
   1. Header con grid de 3 columnas (logo centrado)
   2. Botón hamburguesa (móvil)
   3. Menú desktop (dropdowns)
   4. Menú móvil (overlay)
   5. Main público
   6. Grid de categorías (2 cols móvil / 3 tablet / 4-5 desktop)
   7. Cards compactas + badge de promoción
   8. Footer con chips de métodos de pago
   9. Estados de carga/error/vacío
   10. Media queries
   ============================================================ */

/* ========== 1. HEADER CON GRID DE 3 COLUMNAS ========== */
.public-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

/* Grid de 3 columnas:
   Col 1 (auto) = menú/hamburguesa a la izquierda
   Col 2 (1fr)  = logo centrado en el ancho total
   Col 3 (auto) = espacio balanceador a la derecha */
.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-sm);
}

/* Logo: ocupa la columna central y se centra dentro de ella */
.logo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: inherit;
  grid-column: 2;
  margin: 0 auto;
}

.logo-img {
  display: block;
  height: 36px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}

.logo-fallback {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

/* ========== 2. BOTÓN HAMBURGUESA (solo móvil) ========== */
/* Pegado al borde izquierdo del header */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
}

.hamburger-icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  position: relative;
  transition: background-color var(--transition-fast);
}

.hamburger-icon::before,
.hamburger-icon::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  left: 0;
  transition: transform var(--transition-fast);
}

.hamburger-icon::before { top: -7px; }
.hamburger-icon::after  { bottom: -7px; }

/* ========== 3. MENÚ DESKTOP (dropdowns a la izquierda) ========== */
.menu-desktop {
  display: flex;
  gap: var(--space-sm);
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
}

.dropdown { position: relative; }

.dropdown-toggle {
  background-color: transparent;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
  white-space: nowrap;
}

.dropdown-toggle:hover {
  background-color: var(--color-bg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  list-style: none;
  padding: var(--space-xs) 0;
  margin: var(--space-xs) 0 0 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 100;
}

.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item { margin: 0; }

/* Badge y texto en la misma línea (no se parte en dos) */
.dropdown-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition: background-color var(--transition-fast);
  white-space: nowrap;
}

.dropdown-link:hover {
  background-color: var(--color-bg);
}

.dropdown-link span {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dropdown-badge {
  background-color: var(--color-accent);
  color: var(--color-text-light);
  font-size: 0.6rem;
  font-weight: 700;
  padding: 2px 5px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  flex-shrink: 0;
}

/* ========== 4. MENÚ MÓVIL (overlay) ========== */
.menu-movil {
  position: fixed;
  inset: 0;
  background-color: var(--color-surface);
  z-index: 200;
  overflow-y: auto;
  padding: var(--space-md);
}

.menu-movil-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.menu-movil-header h3 {
  font-size: var(--font-size-lg);
  margin: 0;
}

.menu-close {
  font-size: var(--font-size-xl);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: var(--space-xs);
}

.menu-movil-lista {
  list-style: none;
  padding: 0;
  margin: 0;
}

.menu-movil-item { margin-bottom: var(--space-sm); }

.menu-movil-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  transition: background-color var(--transition-fast);
}

.menu-movil-link:hover {
  background-color: var(--color-border);
}

.menu-movil-badge {
  background-color: var(--color-accent);
  color: var(--color-text-light);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  flex-shrink: 0;
}

/* ========== 5. MAIN PÚBLICO ========== */
.public-main {
  padding-top: var(--space-md);
  padding-bottom: var(--space-lg);
  min-height: calc(100vh - 200px);
}

/* ========== 6. GRID DE CATEGORÍAS ========== */
.categorias-grid-public {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

/* ========== 7. CARDS COMPACTAS + BADGE ========== */
.categoria-link {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}

.categoria-card-public {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  border: 1px solid var(--color-border);
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative; /* Necesario para posicionar el badge */
}

.categoria-card-public:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Imagen cuadrada para optimizar espacio en móvil */
.categoria-card-public-img,
.categoria-card-public-placeholder {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background-color: var(--color-bg);
}

.categoria-card-public-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--color-text-muted);
}

.categoria-card-public-body {
  padding: var(--space-xs) var(--space-sm);
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
}

.categoria-card-public-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-align: center;
  margin: 0;
  color: var(--color-text);
  line-height: 1.2;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Badge de promoción (esquina superior izquierda) */
.badge-promo {
  position: absolute;
  top: var(--space-xs);
  left: var(--space-xs);
  background-color: var(--color-accent);
  color: var(--color-text-light);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  z-index: 2;
  box-shadow: var(--shadow-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1;
}

/* Borde de acento en cards de promoción */
.categoria-card-public.es-promocion {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent), var(--shadow-sm);
}

/* ========== 8. FOOTER CON CHIPS ========== */
.public-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-md) 0;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
  text-align: center;
}

.footer-bloque { margin: 0; }

.footer-titulo {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--space-xs) 0;
}

.footer-lista {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-chip {
  display: inline-block;
  padding: 4px 10px;
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-primary);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.footer-envios {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  margin: 0;
}

.footer-copy {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin: var(--space-sm) 0 0 0;
}

/* ========== 9. ESTADOS DE CARGA/ERROR/VACÍO ========== */
.estado-bloque {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  min-height: 40vh;
}

.estado-icono {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
  opacity: 0.6;
}

.estado-bloque h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xs);
}

.estado-bloque p {
  margin-bottom: var(--space-xs);
  max-width: 400px;
}

.spinner-dark {
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  animation: spin 0.6s linear infinite;
  margin: 0 auto var(--space-sm) auto;
}

@keyframes spin { to { transform: rotate(360deg); } }

.text-error {
  color: var(--color-error);
  font-weight: 500;
}

/* ========== 10. MEDIA QUERIES ========== */

/* Ocultar menú desktop en móvil */
@media (max-width: 767px) {
  .menu-desktop { display: none !important; }
}

/* Ocultar botón hamburguesa en desktop */
@media (min-width: 768px) {
  .menu-toggle { display: none !important; }
}

/* --- Tablet (768px) --- */
@media (min-width: 768px) {
  .logo-img {
    height: 44px;
    max-width: 240px;
  }

  .logo-fallback { font-size: var(--font-size-xl); }

  .menu-desktop { gap: var(--space-md); }

  /* 3 columnas en tablet */
  .categorias-grid-public {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

  .categoria-card-public-img,
  .categoria-card-public-placeholder {
    aspect-ratio: 4 / 3;
  }

  .categoria-card-public-body {
    padding: var(--space-sm);
    min-height: 50px;
  }

  .categoria-card-public-title {
    font-size: var(--font-size-base);
  }

  .badge-promo {
    font-size: 0.7rem;
    padding: 3px 9px;
  }

  /* Footer en fila */
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    flex-wrap: wrap;
  }

  .footer-bloque {
    flex: 1;
    min-width: 200px;
  }

  .footer-copy {
    width: 100%;
    text-align: center;
    margin-top: var(--space-md);
  }
}

/* --- Desktop (1024px) --- Cards 1.5x más grandes */
@media (min-width: 1024px) {
  .logo-img {
    height: 52px;
    max-width: 300px;
  }

  .logo-fallback { font-size: var(--font-size-2xl); }

  /* 4-5 columnas en desktop */
  .categorias-grid-public {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-lg);
  }

  .categoria-card-public-img,
  .categoria-card-public-placeholder {
    aspect-ratio: 4 / 3;
  }

  .categoria-card-public-body {
    padding: var(--space-md);
    min-height: 60px;
  }

  .categoria-card-public-title {
    font-size: var(--font-size-lg);
  }

  .categoria-card-public:hover {
    transform: translateY(-4px);
  }

  .badge-promo {
    font-size: 0.75rem;
    padding: 4px 10px;
    top: var(--space-sm);
    left: var(--space-sm);
  }

  .public-footer { padding: var(--space-lg) 0; }

  .footer-titulo { font-size: var(--font-size-base); }

  .footer-chip {
    font-size: var(--font-size-sm);
    padding: 6px 14px;
  }

  .footer-envios { font-size: var(--font-size-base); }
}

/* --- Móvil muy pequeño (menos de 480px) --- */
@media (max-width: 480px) {
  .badge-promo {
    font-size: 0.6rem;
    padding: 2px 6px;
    top: 4px;
    left: 4px;
  }
}

/* --- Pantallas muy pequeñas (menos de 360px) --- */
@media (max-width: 360px) {
  .logo-img {
    height: 32px;
    max-width: 150px;
  }

  .categorias-grid-public { gap: var(--space-xs); }

  .categoria-card-public-body {
    padding: 4px var(--space-xs);
  }

  .categoria-card-public-title {
    font-size: var(--font-size-xs);
  }
}