/* ==========================================================================
   WagglyPetMania — productos.css
   --------------------------------------------------------------------------
   Estilos específicos de la página de catálogo/productos.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. BARRA DE HERRAMIENTAS (búsqueda y orden)
   -------------------------------------------------------------------------- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 240px;
  max-width: 420px;
}

.search-box svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-light);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  padding: 0.8rem 1rem 0.8rem 2.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--surface);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-box input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(114, 47, 55, 0.15);
}

.sort-box {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.sort-box label { font-size: 0.88rem; font-weight: 500; color: var(--text-muted); }

.sort-box select {
  padding: 0.75rem 2.2rem 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--surface);
  font-size: 0.92rem;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235d6f80' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
}

.sort-box select:focus { outline: none; border-color: var(--accent); }

/* --------------------------------------------------------------------------
   3. FILTROS POR CATEGORÍA (chips)
   -------------------------------------------------------------------------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.6rem;
}

.filter-chip {
  padding: 0.6rem 1.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--surface);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--transition);
}

.filter-chip:hover {
  border-color: var(--accent);
  color: var(--accent-600);
}

.filter-chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  box-shadow: 0 6px 16px rgba(21, 58, 94, 0.3);
}

.result-count {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

/* --------------------------------------------------------------------------
   4. CUADRÍCULA DE PRODUCTOS
   -------------------------------------------------------------------------- */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}

.catalog-grid .product-card {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.6s ease, transform 0.6s ease, box-shadow var(--transition),
              border-color var(--transition);
}

.catalog-grid .product-card.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   5. ESTADO VACÍO
   -------------------------------------------------------------------------- */
.empty-state {
  text-align: center;
  padding: 4rem 1.5rem;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
}

.empty-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  font-size: 1.8rem;
  background: var(--surface-2);
  border-radius: 50%;
  margin-bottom: 1rem;
}

.empty-state h3 { margin-bottom: 0.5rem; }
.empty-state p { max-width: 44ch; margin: 0 auto 1.5rem; }

/* --------------------------------------------------------------------------
   6. TOAST DE CONFIRMACIÓN
   -------------------------------------------------------------------------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 24px);
  z-index: 3000;
  background: var(--primary-900);
  color: var(--white);
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* --------------------------------------------------------------------------
   7. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .catalog-grid { grid-template-columns: 1fr; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .search-box { max-width: none; }
  .sort-box { justify-content: space-between; }
  .sort-box select { flex: 1; }
}