/* ============================================================
   Tienda - Hoja de estilos pública (mobile-first)
   Los colores y la fuente se definen como variables CSS (--color-*)
   inyectadas desde partials/header.php según la configuración del panel admin.
   ============================================================ */

:root {
  --color-primario: #1a1a1a;
  --color-secundario: #e0b84c;
  --color-fondo: #ffffff;
  --color-texto: #1a1a1a;
  --fuente: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --radio: 10px;
  --sombra: 0 2px 10px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-fondo);
  color: var(--color-texto);
  font-family: var(--fuente);
  line-height: 1.5;
}

a { color: inherit; }

img { max-width: 100%; display: block; }

.contenedor {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ---------- Header ---------- */

.sitio-header {
  background: var(--color-primario);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--sombra);
}

.sitio-header .contenedor {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
  gap: 12px;
}

.marca {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
  font-weight: 700;
  font-size: 1.15rem;
  min-width: 0;
}

.marca img {
  height: 40px;
  width: 40px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.marca span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-acciones {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.icono-instagram, .icono-carrito {
  color: #fff;
  text-decoration: none;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  font-size: 1.1rem;
}

.badge-carrito {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--color-secundario);
  color: #1a1a1a;
  font-size: 0.7rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

/* ---------- Banner / bienvenida ---------- */

.banner {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
}

.bienvenida {
  padding: 20px 0;
  text-align: center;
}

.bienvenida p {
  max-width: 640px;
  margin: 0 auto;
  color: var(--color-texto);
  opacity: 0.85;
}

/* ---------- Categorías ---------- */

.categorias {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 0 18px;
  -webkit-overflow-scrolling: touch;
}

.categoria-pill {
  flex-shrink: 0;
  padding: 8px 16px;
  border-radius: 999px;
  background: #f0f0f0;
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--color-texto);
  border: 1px solid transparent;
}

.categoria-pill.activa {
  background: var(--color-primario);
  color: #fff;
}

/* ---------- Grilla de productos ---------- */

.grilla-productos {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  padding-bottom: 40px;
}

@media (min-width: 640px) {
  .grilla-productos { grid-template-columns: repeat(3, 1fr); gap: 18px; }
}

@media (min-width: 960px) {
  .grilla-productos { grid-template-columns: repeat(4, 1fr); }
}

.tarjeta-producto {
  background: #fff;
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
  text-decoration: none;
  color: var(--color-texto);
  display: flex;
  flex-direction: column;
  transition: transform .15s ease;
}

.tarjeta-producto:hover { transform: translateY(-3px); }

.tarjeta-producto .imagen-wrap {
  aspect-ratio: 1 / 1;
  background: #f2f2f2;
  overflow: hidden;
  position: relative;
}

.tarjeta-producto .imagen-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.etiqueta-sin-stock {
  position: absolute;
  top: 8px;
  left: 8px;
  background: #c0392b;
  color: #fff;
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 6px;
}

.tarjeta-producto .info {
  padding: 10px 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.tarjeta-producto .nombre {
  font-size: 0.92rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.tarjeta-producto .precio {
  font-weight: 700;
  color: var(--color-primario);
  margin-top: auto;
}

/* ---------- Botones ---------- */

.boton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radio);
  border: none;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  background: var(--color-primario);
  color: #fff;
}

.boton:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.boton-secundario {
  background: var(--color-secundario);
  color: #1a1a1a;
}

.boton-whatsapp {
  background: #25D366;
  color: #fff;
}

.boton-bloque { width: 100%; }

.boton-chico {
  padding: 6px 12px;
  font-size: 0.85rem;
  border-radius: 8px;
}

/* ---------- Página de producto ---------- */

.detalle-producto {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 20px 0 60px;
}

@media (min-width: 800px) {
  .detalle-producto { grid-template-columns: 1fr 1fr; }
}

.galeria-principal {
  aspect-ratio: 1 / 1;
  background: #f2f2f2;
  border-radius: var(--radio);
  overflow: hidden;
}

.galeria-principal img { width: 100%; height: 100%; object-fit: cover; }

.galeria-miniaturas {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.galeria-miniaturas img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid transparent;
  opacity: 0.7;
}

.galeria-miniaturas img.activa {
  border-color: var(--color-secundario);
  opacity: 1;
}

.precio-grande {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primario);
  margin: 6px 0 14px;
}

.grupo-campo { margin-bottom: 16px; }

.grupo-campo label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.9rem;
}

select, input[type=text], input[type=tel], input[type=number], textarea {
  width: 100%;
  padding: 11px 12px;
  border-radius: 8px;
  border: 1px solid #ddd;
  font-size: 1rem;
  font-family: var(--fuente);
  background: #fff;
  color: var(--color-texto);
}

.selector-cantidad {
  display: inline-flex;
  align-items: center;
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
}

.selector-cantidad button {
  border: none;
  background: #f4f4f4;
  width: 38px;
  height: 40px;
  font-size: 1.1rem;
  cursor: pointer;
}

.selector-cantidad input {
  width: 46px;
  text-align: center;
  border: none;
  border-left: 1px solid #ddd;
  border-right: 1px solid #ddd;
  height: 40px;
}

.aviso-stock {
  font-size: 0.85rem;
  margin-top: 6px;
  color: #666;
}

.aviso-stock.agotado { color: #c0392b; font-weight: 600; }

/* ---------- Carrito ---------- */

.fila-carrito {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid #eee;
  align-items: center;
}

.fila-carrito img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 8px;
  background: #f2f2f2;
  flex-shrink: 0;
}

.fila-carrito .datos { flex: 1; min-width: 0; }
.fila-carrito .nombre-item { font-weight: 600; font-size: 0.95rem; }
.fila-carrito .variante-item { font-size: 0.82rem; color: #777; }

.fila-carrito .acciones {
  display: flex;
  align-items: center;
  gap: 10px;
}

.link-quitar {
  color: #c0392b;
  font-size: 0.82rem;
  cursor: pointer;
  background: none;
  border: none;
  text-decoration: underline;
}

.resumen-total {
  display: flex;
  justify-content: space-between;
  font-size: 1.2rem;
  font-weight: 700;
  padding: 16px 0;
  border-top: 2px solid var(--color-primario);
}

.carrito-vacio {
  text-align: center;
  padding: 60px 20px;
  color: #777;
}

/* ---------- Carrito flotante ---------- */

.carrito-flotante {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 60;
  background: var(--color-primario);
  color: #fff;
  border-radius: 999px;
  padding: 14px 20px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  text-decoration: none;
  font-weight: 700;
  display: none;
  align-items: center;
  gap: 8px;
}

.carrito-flotante.visible { display: inline-flex; }

/* ---------- Formularios / avisos ---------- */

.aviso {
  padding: 12px 16px;
  border-radius: 8px;
  margin: 16px 0;
  font-size: 0.92rem;
}

.aviso-exito { background: #e6f7ee; color: #16794c; }
.aviso-error { background: #fdecea; color: #b3261e; }

/* ---------- Footer ---------- */

.sitio-footer {
  padding: 30px 0 50px;
  text-align: center;
  color: #888;
  font-size: 0.85rem;
}

/* ---------- Login / páginas centradas ---------- */

.pantalla-centrada {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: #f5f5f5;
}

.tarjeta-form {
  background: #fff;
  padding: 32px 28px;
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  width: 100%;
  max-width: 380px;
}

.tarjeta-form h1 {
  font-size: 1.3rem;
  margin: 0 0 20px;
  text-align: center;
}