.shop-page {
  padding: 2rem 7vw 4rem;
  position: relative;
}

.shop-layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) 1fr;
  gap: 1rem;
  align-items: start;
}

.cart-fab {
  position: fixed;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.8rem;
  background: var(--accent-dark);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 10px 24px var(--shadow);
  z-index: 20;
}

.cart-fab-count {
  min-width: 1.6rem;
  height: 1.6rem;
  background: #fff;
  color: var(--accent-dark);
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.filters-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: 0 10px 24px var(--shadow);
  padding: 1rem;
  position: sticky;
  top: 1rem;
}

.filters-panel h2 {
  margin-bottom: 0.7rem;
  font-size: 1.2rem;
}

.filter-group {
  margin-bottom: 1rem;
}

.filter-group h3 {
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}

.filter-option {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

.shop-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: 0 8px 22px var(--shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.product-preview {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #eadbc8;
  border-bottom: 1px solid var(--border);
}

.shop-card-content {
  padding: 0.7rem;
  display: grid;
  gap: 0.45rem;
}

.shop-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.shop-price {
  font-weight: 700;
  color: var(--accent-dark);
}

.add-btn {
  width: 120px;
  height: 40px;
  border: 0;
  background: var(--accent);
  color: #fff;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  font-weight: 700;
  position: relative;
  overflow: hidden;
}

.add-btn:hover {
  background: var(--accent-dark);
}

.add-btn .state {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.add-btn .state-check {
  opacity: 0;
  transform: translateY(8px);
}

.add-btn.added .state-cart {
  opacity: 0;
  transform: translateY(-8px);
}

.add-btn.added .state-check {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .products-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .shop-layout {
    grid-template-columns: 1fr;
  }

  .filters-panel {
    position: static;
  }

  .products-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cart-fab {
    top: auto;
    bottom: 1rem;
    transform: none;
  }
}

@media (max-width: 560px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}