.shop-banner {
  text-align: center;
  padding: 4rem 2rem 2rem 2rem;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.shop-banner h1 {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.shop-banner p {
  max-width: 700px;
  margin: 0 auto;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.shop-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 900px) {
  .shop-layout {
    grid-template-columns: 1fr;
  }
}

.filter-sidebar {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 2rem 1.5rem;
  position: sticky;
  top: 100px;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: all var(--transition-speed);
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.75rem;
}

.filter-sidebar h3 {
  font-size: 1.25rem;
  font-family: var(--font-serif);
  color: var(--color-text);
  margin: 0;
}

.filter-group {
  margin-bottom: 2.5rem;
}

.filter-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text);
  margin-bottom: 1.25rem;
  display: block;
}

.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  cursor: pointer;
  user-select: none;
}

.checkbox-label input {
  width: 16px;
  height: 16px;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.price-slider-container {
  padding: 0 0.5rem;
}

.price-slider-container input[type="range"] {
  width: 100%;
  margin-bottom: 1rem;
  accent-color: var(--color-primary);
}

.price-values {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-btn {
  background-color: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
  border-radius: 20px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all var(--transition-speed);
}

.tag-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.tag-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
}

.shop-content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.pieces-count {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.pieces-count strong {
  color: var(--color-text);
}

.sort-select {
  padding: 0.5rem 2rem 0.5rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  border: 1px solid var(--color-border);
  background-color: #FFFFFF;
  color: var(--color-text);
  border-radius: 4px;
  cursor: pointer;
  outline: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232D231E' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1em;
  appearance: none;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

@media (max-width: 1200px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 650px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}

.shop-main .product-card-img {
  height: 340px;
  padding: 1rem;
}

.product-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.artist-info {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.verified-icon {
  color: #1E4620;
  
  display: inline-flex;
  align-items: center;
}

.add-to-cart-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-speed);
}

.add-to-cart-btn:hover {
  color: var(--color-primary);
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 3rem;
}

.pagination-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-speed);
}

.pagination-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination-btn.active {
  background-color: var(--color-text);
  border-color: var(--color-text);
  color: #FFFFFF;
}

.pagination-btn.disabled {
  opacity: 0.4;
  pointer-events: none;
}

.sidebar-close-btn {
  background: none;
  border: none;
  font-size: 2.25rem;
  line-height: 1;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0;
  display: none;
  
  transition: color var(--transition-speed);
}

.sidebar-close-btn:hover {
  color: var(--color-primary);
}

.mobile-filter-trigger {
  display: none;
  
  align-items: center;
  gap: 0.5rem;
}

.filter-sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.filter-sidebar-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 900px) {
  .mobile-filter-trigger {
    display: inline-flex;
    margin-right: 1rem;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    align-items: center;
    gap: 0.35rem;
  }

  .sidebar-close-btn {
    display: block;
  }

  .filter-sidebar {
    position: fixed !important;
    top: 0;
    left: -320px;
    width: 300px;
    height: 100vh;
    z-index: 999;
    border-radius: 0;
    border: none;
    border-right: 1px solid var(--color-border);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
    background-color: var(--color-surface);
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .filter-sidebar.open {
    left: 0;
  }

  .shop-content-header {
    justify-content: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
  }

  .pieces-count {
    flex-grow: 1;
  }
}