/* =============================================================================
   Bizzio — Art.ID2 Cluster / Свързани модели
   Shortcode: [bizzio_art_id2_cluster]
   ============================================================================= */

/* Custom properties — лесна тема */
.bizzio-cluster {
  --cluster-gap:        16px;
  --cluster-radius:     10px;
  --cluster-shadow:     0 2px 10px rgba(0, 0, 0, .08);
  --cluster-shadow-h:   0 6px 20px rgba(0, 0, 0, .14);
  --cluster-accent:     #2271b1;      /* WP Admin Blue — сменете по теми */
  --cluster-text:       #1e1e1e;
  --cluster-muted:      #767676;
  --cluster-bg:         #fff;
  --cluster-border:     #e6e6e6;
  --cluster-overlay-bg: rgba(0, 0, 0, .45);
  --cluster-transition: .22s ease;
}

/* -----------------------------------------------------------------------------
   Секция — заглавие
   ----------------------------------------------------------------------------- */
.bizzio-cluster {
  margin: 48px 0;
}

.bizzio-cluster__title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cluster-text);
  margin: 0 0 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--cluster-border);
  position: relative;
}

.bizzio-cluster__title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 48px;
  height: 2px;
  background: var(--cluster-accent);
  border-radius: 2px;
}

/* -----------------------------------------------------------------------------
   Грид
   ----------------------------------------------------------------------------- */
.bizzio-cluster__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--cluster-gap);
  /* Default: 4 колони */
  grid-template-columns: repeat(4, 1fr);
}

.bizzio-cluster__grid--cols-2 { grid-template-columns: repeat(2, 1fr); }
.bizzio-cluster__grid--cols-3 { grid-template-columns: repeat(3, 1fr); }
.bizzio-cluster__grid--cols-4 { grid-template-columns: repeat(4, 1fr); }
.bizzio-cluster__grid--cols-5 { grid-template-columns: repeat(5, 1fr); }
.bizzio-cluster__grid--cols-6 { grid-template-columns: repeat(6, 1fr); }

/* -----------------------------------------------------------------------------
   Карта
   ----------------------------------------------------------------------------- */
.bizzio-cluster__item {
  background: var(--cluster-bg);
  border: 1px solid var(--cluster-border);
  border-radius: var(--cluster-radius);
  box-shadow: var(--cluster-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: box-shadow var(--cluster-transition), transform var(--cluster-transition);
}

.bizzio-cluster__item:hover {
  box-shadow: var(--cluster-shadow-h);
  transform: translateY(-3px);
}

/* Линк обхваща thumb + info */
.bizzio-cluster__link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.bizzio-cluster__link:hover {
  color: inherit;
}

/* -----------------------------------------------------------------------------
   Thumb + Overlay
   ----------------------------------------------------------------------------- */
.bizzio-cluster__thumb {
  position: relative;
  overflow: hidden;
  background: #f5f5f5;
  aspect-ratio: 1 / 1;
}

.bizzio-cluster__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
  display: block;
  transition: transform var(--cluster-transition);
}

.bizzio-cluster__item:hover .bizzio-cluster__img {
  transform: scale(1.05);
}

/* Overlay при hover */
.bizzio-cluster__overlay {
  position: absolute;
  inset: 0;
  background: var(--cluster-overlay-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--cluster-transition);
}

.bizzio-cluster__item:hover .bizzio-cluster__overlay {
  opacity: 1;
}

.bizzio-cluster__overlay-icon {
  font-size: 1.6rem;
  line-height: 1;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,.4));
}

/* -----------------------------------------------------------------------------
   Информация
   ----------------------------------------------------------------------------- */
.bizzio-cluster__info {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.bizzio-cluster__name {
  font-size: .88rem;
  font-weight: 600;
  color: var(--cluster-text);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.bizzio-cluster__sku {
  font-size: .74rem;
  color: var(--cluster-muted);
  letter-spacing: .02em;
}

.bizzio-cluster__sku::before {
  content: 'SKU: ';
  opacity: .7;
}

/* WooCommerce price елементи */
.bizzio-cluster__price {
  margin-top: auto;
  padding-top: 8px;
  font-size: .9rem;
  font-weight: 700;
  color: var(--cluster-accent);
}

.bizzio-cluster__price .woocommerce-Price-amount {
  font-size: inherit;
}

.bizzio-cluster__price del {
  color: var(--cluster-muted);
  font-weight: 400;
  margin-right: 4px;
}

/* -----------------------------------------------------------------------------
   Add-to-Cart
   ----------------------------------------------------------------------------- */
.bizzio-cluster__cart {
  padding: 0 14px 14px;
}

.bizzio-cluster__cart .button,
.bizzio-cluster__cart .add_to_cart_button {
  display: block;
  width: 100%;
  text-align: center;
  padding: 8px 12px;
  font-size: .82rem;
  font-weight: 600;
  border-radius: 6px;
  background: var(--cluster-accent);
  color: #fff !important;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--cluster-transition), opacity var(--cluster-transition);
}

.bizzio-cluster__cart .button:hover,
.bizzio-cluster__cart .add_to_cart_button:hover {
  background: color-mix(in srgb, var(--cluster-accent) 80%, #000);
  opacity: 1;
  color: #fff !important;
}

/* "Добавено" / checkmark state */
.bizzio-cluster__cart .added_to_cart {
  display: block;
  width: 100%;
  text-align: center;
  padding: 7px 12px;
  font-size: .8rem;
  font-weight: 600;
  border-radius: 6px;
  border: 2px solid var(--cluster-accent);
  color: var(--cluster-accent) !important;
  text-decoration: none;
  transition: background var(--cluster-transition);
}

.bizzio-cluster__cart .added_to_cart:hover {
  background: var(--cluster-accent);
  color: #fff !important;
}

/* -----------------------------------------------------------------------------
   Responsive breakpoints
   ----------------------------------------------------------------------------- */

/* Tablet — max 5 cols → max 3 */
@media (max-width: 1024px) {
  .bizzio-cluster__grid--cols-5,
  .bizzio-cluster__grid--cols-6 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Tablet portrait — max 4 cols → 2 */
@media (max-width: 768px) {
  .bizzio-cluster__grid--cols-3,
  .bizzio-cluster__grid--cols-4,
  .bizzio-cluster__grid--cols-5,
  .bizzio-cluster__grid--cols-6 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile — винаги 2 колони (дори при cols-1 е неподходящо) */
@media (max-width: 480px) {
  .bizzio-cluster__grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px;
  }

  .bizzio-cluster__info {
    padding: 10px;
  }

  .bizzio-cluster__name {
    font-size: .82rem;
  }

  .bizzio-cluster__cart {
    padding: 0 10px 10px;
  }
}