/* Ultra-Professional Commercial Product Catalog Styles */
:root {
  --dfs-primary: #1b365d;
  --dfs-primary-dark: #0f2341;
  --dfs-accent: #d97706;
  --dfs-accent-hover: #b45309;
  --dfs-bg-light: #f8fafc;
  --dfs-card-bg: #ffffff;
  --dfs-text-main: #0f172a;
  --dfs-text-muted: #64748b;
  --dfs-border: #cbd5e1;
  --dfs-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --dfs-shadow-md: 0 4px 14px rgba(0,0,0,0.08);
  --dfs-radius: 8px;
}

.dfs-catalog-container {
  max-width: 1200px;
  margin: 24px auto;
  background: var(--dfs-card-bg);
  border: 1px solid var(--dfs-border);
  border-radius: var(--dfs-radius);
  box-shadow: var(--dfs-shadow-md);
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", sans-serif;
  color: var(--dfs-text-main);
}

.dfs-catalog-header {
  background: linear-gradient(135deg, var(--dfs-primary-dark) 0%, var(--dfs-primary) 100%);
  color: #ffffff;
  padding: 28px 36px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 4px solid var(--dfs-accent);
}

.dfs-catalog-header-title {
  margin: 0;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #ffffff;
}

.dfs-catalog-header-meta {
  margin: 6px 0 0;
  font-size: 13px;
  opacity: 0.9;
  color: #e2e8f0;
}

.dfs-pdf-btn {
  background: var(--dfs-accent);
  color: #ffffff !important;
  border: none;
  padding: 12px 22px;
  font-size: 13px;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  transition: all 0.2s ease;
}

.dfs-pdf-btn:hover {
  background: var(--dfs-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

/* Category Quick Jump Bar */
.dfs-category-nav-bar {
  display: flex;
  gap: 10px;
  padding: 14px 28px;
  background: #f1f5f9;
  border-bottom: 1px solid var(--dfs-border);
  overflow-x: auto;
  white-space: nowrap;
  scroll-behavior: smooth;
}

.dfs-category-nav-item {
  padding: 7px 16px;
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  font-size: 13px;
  font-weight: 600;
  color: var(--dfs-primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

.dfs-category-nav-item:hover {
  background: var(--dfs-primary);
  color: #ffffff;
  border-color: var(--dfs-primary);
}

/* Category Sections */
.dfs-category-section {
  padding: 30px 28px;
  border-bottom: 1px solid #e2e8f0;
}

.dfs-category-section:last-child {
  border-bottom: none;
}

.dfs-category-banner {
  background: #f8fafc;
  border-left: 5px solid var(--dfs-accent);
  padding: 14px 20px;
  margin-bottom: 22px;
  border-radius: 0 6px 6px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dfs-category-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--dfs-primary);
  margin: 0;
  letter-spacing: -0.3px;
}

.dfs-category-badge {
  font-size: 12px;
  font-weight: 700;
  color: var(--dfs-primary);
  background: #e2e8f0;
  padding: 4px 12px;
  border-radius: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dfs-catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 22px;
}

.dfs-catalog-card {
  border: 1px solid var(--dfs-border);
  border-radius: 8px;
  background: #ffffff;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--dfs-shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dfs-catalog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.1);
  border-color: #94a3b8;
}

.dfs-card-img-wrap {
  width: 100%;
  height: 170px;
  background: #f8fafc;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 14px;
  border: 1px solid #f1f5f9;
}

.dfs-card-img-wrap img {
  max-width: 95%;
  max-height: 95%;
  object-fit: contain;
}

.dfs-card-placeholder {
  color: #94a3b8;
  font-size: 12px;
  font-weight: 600;
  text-align: center;
}

.dfs-card-title {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 6px 0;
  line-height: 1.35;
  color: var(--dfs-text-main);
}

.dfs-card-sku {
  font-size: 11px;
  font-weight: 600;
  color: var(--dfs-text-muted);
  margin-bottom: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  background: #f1f5f9;
  display: inline-block;
  padding: 2px 6px;
  border-radius: 4px;
}

.dfs-card-desc {
  font-size: 12px;
  color: #475569;
  line-height: 1.5;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.dfs-price-container {
  margin-bottom: 12px;
  min-height: 28px;
}

.dfs-price-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.dfs-price-main {
  font-size: 18px;
  font-weight: 800;
  color: var(--dfs-primary);
}

.dfs-price-sale {
  font-size: 18px;
  font-weight: 800;
  color: #dc2626;
}

.dfs-price-regular-strike {
  font-size: 13px;
  text-decoration: line-through;
  color: var(--dfs-text-muted);
}

.dfs-card-btn {
  display: block;
  text-align: center;
  background: #f1f5f9;
  color: var(--dfs-primary);
  text-decoration: none;
  padding: 9px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.dfs-card-btn:hover {
  background: var(--dfs-primary);
  color: #ffffff;
}

@media (max-width: 768px) {
  .dfs-catalog-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .dfs-catalog-grid {
    grid-template-columns: 1fr;
  }
}