/**
 * RENALYTICA RESEARCH STORE & CATALOG STYLESHEET
 * Designed for institutional clarity, terminal precision, and 60-30-10 chromatic harmony.
 */

/* ==========================================================================
   1. STORE TERMINAL HERO & SEARCH HUD
   ========================================================================== */
.store-hero-section {
  position: relative;
  padding: 4.5rem 0 3rem;
  background: var(--canvas-primary);
  border-bottom: 1px solid var(--border-light);
  overflow: hidden;
}

.store-hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 128, 0, 0.08) 0%, rgba(255, 128, 0, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

[data-theme="dark"] .store-hero-section::before {
  background: radial-gradient(circle, rgba(255, 128, 0, 0.12) 0%, rgba(255, 128, 0, 0) 70%);
}

.store-hero-container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  text-align: center;
}

.store-telemetry-badge-group {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.store-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface-gray);
  border: 1px solid var(--border-light);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pulse-green-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.store-meta-chip {
  display: inline-block;
  background: var(--accent-momentum-subtle);
  border: 1px solid var(--accent-momentum-border);
  color: var(--accent-momentum);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
}

.store-hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.store-hero-subtitle {
  max-width: 780px;
  margin: 0 auto 2.5rem;
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* Live Search HUD */
.store-search-box-wrap {
  max-width: 820px;
  margin: 0 auto 2.5rem;
}

.store-search-inner {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--canvas-surface);
  border: 2px solid var(--border-strong);
  border-radius: 12px;
  padding: 0.4rem 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: all 0.25s ease;
}

.store-search-inner:focus-within {
  border-color: var(--accent-momentum);
  box-shadow: 0 0 0 4px var(--accent-momentum-glow), 0 8px 30px rgba(0, 0, 0, 0.08);
}

.search-lens-icon {
  color: var(--accent-momentum);
  flex-shrink: 0;
  margin-right: 0.75rem;
}

.store-search-input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0.75rem 0.25rem;
  font-size: 1.05rem;
  color: var(--text-primary);
  outline: none;
  font-family: var(--font-primary);
}

.store-search-input::placeholder {
  color: var(--text-muted);
}

.clear-search-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  display: none;
  transition: color 0.2s;
}

.clear-search-btn:hover {
  color: var(--text-primary);
}

/* Popular Search Pills */
.popular-queries-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.popular-queries-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
}

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

.popular-pill {
  background: var(--surface-gray);
  border: 1px solid var(--border-light);
  padding: 0.25rem 0.7rem;
  border-radius: 9999px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-primary);
  font-weight: 500;
}

.popular-pill:hover {
  background: var(--accent-momentum-subtle);
  border-color: var(--accent-momentum-border);
  color: var(--accent-momentum);
  transform: translateY(-1px);
}

/* Catalog Stats Ribbon */
.store-stats-ribbon {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}

.stats-ribbon-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-align: left;
}

.stats-item-icon {
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--surface-gray);
  flex-shrink: 0;
}

.stats-item-text {
  display: flex;
  flex-direction: column;
}

.stats-item-text strong {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.stats-item-text span {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  line-height: 1.3;
}

/* ==========================================================================
   2. CATALOG EXPLORER & PRODUCTS GRID
   ========================================================================== */
.catalog-explorer-section {
  padding: 3.5rem 0 5rem;
  background: var(--surface-tint);
}

.catalog-layout-container {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
  max-width: 1320px;
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  box-sizing: border-box;
}

/* Faceted Sidebar */
.catalog-sidebar {
  background: var(--canvas-surface);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 1.5rem;
  position: sticky;
  top: 90px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}

.sidebar-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 1.25rem;
}

.sidebar-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin: 0;
}

.reset-filters-link {
  background: none;
  border: none;
  color: var(--accent-momentum);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}

.reset-filters-link:hover {
  text-decoration: underline;
}

.filter-group {
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-light);
}

.filter-group:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.filter-group-heading {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.85rem;
}

.filter-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-checkbox-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
  padding: 0.2rem 0;
  transition: color 0.15s;
}

.filter-checkbox-item:hover {
  color: var(--accent-momentum);
}

.filter-checkbox-item input[type="radio"],
.filter-checkbox-item input[type="checkbox"] {
  accent-color: var(--accent-momentum);
  width: 15px;
  height: 15px;
  cursor: pointer;
}

.filter-label-text {
  flex: 1;
}

.filter-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  background: var(--surface-gray);
  padding: 0.1rem 0.45rem;
  border-radius: 9999px;
}

/* Catalog Main Content Area */
.catalog-main-content,
.catalog-main-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Catalog Toolbar Header */
.catalog-toolbar,
.catalog-toolbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--canvas-surface);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 0.85rem 1.25rem;
  flex-wrap: wrap;
  gap: 1rem;
  width: 100%;
  box-sizing: border-box;
}

.toolbar-results-info,
.catalog-results-summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.results-badge,
.catalog-results-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-momentum);
  background: var(--accent-momentum-subtle);
  border: 1px solid var(--accent-momentum-border);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.results-status-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.active-filter-chips {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--surface-gray);
  border: 1px solid var(--border-light);
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s;
}

.filter-chip:hover {
  border-color: var(--signal-error);
  color: var(--signal-error);
}

.toolbar-actions,
.catalog-sorting-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.sort-selector-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sort-label,
.catalog-sort-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  white-space: nowrap;
}

.catalog-sort-select {
  background: var(--surface-gray);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-size: 0.85rem;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  outline: none;
  cursor: pointer;
  font-family: var(--font-primary);
}

.catalog-sort-select:focus {
  border-color: var(--accent-momentum);
}

.mobile-filter-toggle-btn {
  display: none;
  align-items: center;
  gap: 0.4rem;
  background: var(--surface-gray);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
}

/* Reports Grid: Strict Single-Column Institutional Stream (NEVER HORIZONTAL ROW) */
.reports-grid,
#reports-grid,
.catalog-reports-grid {
  display: flex !important;
  flex-direction: column !important;
  gap: 2rem;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

/* Institutional Report Card: Two-Column Architecture */
.report-card {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 2.25rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  background: var(--canvas-surface);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 1.85rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.report-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-momentum-border);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.09);
}

.report-card.flagship-card {
  border-left: 5px solid var(--accent-momentum);
  background: linear-gradient(180deg, var(--canvas-surface) 0%, rgba(255, 107, 0, 0.02) 100%);
}

/* Left Column: 3D Publication Cover Art */
.report-card-cover-col {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.report-cover-book-3d {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: 6px 12px 12px 6px;
  overflow: hidden;
  background: #0E1626;
  box-shadow: -8px 10px 24px rgba(0, 0, 0, 0.22), 0 2px 8px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-left: 5px solid rgba(255, 255, 255, 0.4);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.report-card:hover .report-cover-book-3d {
  transform: perspective(1000px) rotateY(-4deg) translateY(-4px);
  box-shadow: -12px 16px 32px rgba(0, 0, 0, 0.28);
}

.report-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.report-card:hover .report-cover-img {
  transform: scale(1.05);
}

.report-cover-spine {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 14px;
  background: linear-gradient(90deg, rgba(255,255,255,0.3) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
  pointer-events: none;
  z-index: 2;
}

.report-cover-badges {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 5px;
  z-index: 3;
}

.report-format-pill {
  background: rgba(10, 15, 29, 0.85);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
}

.report-flagship-tag {
  background: var(--accent-momentum);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.06em;
}

.report-cover-footer-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 6px 10px;
  background: rgba(7, 10, 16, 0.88);
  backdrop-filter: blur(4px);
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #94A3B8;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Right Column: Executive Intelligence & Licensing */
.report-card-info-col {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-header-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.meta-tag-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.report-sku-chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-tertiary);
  background: var(--surface-gray);
  border: 1px solid var(--border-light);
  padding: 0.18rem 0.5rem;
  border-radius: 4px;
}

.report-sector-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-momentum);
  background: var(--accent-momentum-subtle);
  border: 1px solid var(--accent-momentum-border);
  padding: 0.18rem 0.55rem;
  border-radius: 4px;
  text-transform: uppercase;
}

.report-pub-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.report-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.35;
  margin: 0 0 0.65rem 0;
  letter-spacing: -0.015em;
}

.report-card-title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.report-card-title a:hover {
  color: var(--accent-momentum);
}

.report-card-teaser {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0 0 1.15rem 0;
}

/* Key Telemetry Metrics Banner */
.card-telemetry-banner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: var(--surface-gray);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  margin-bottom: 1.15rem;
}

.telemetry-stat {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-top: 0.2rem;
}

.stat-value.text-accent {
  color: var(--accent-momentum);
}

/* Licensing Breakdown Box */
.card-licensing-box {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.license-price-pill {
  display: flex;
  flex-direction: column;
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
  background: var(--canvas-surface);
  border: 1px solid var(--border-light);
  transition: border-color 0.2s ease;
  position: relative;
}

.license-price-pill .l-label {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  font-weight: 600;
}

.license-price-pill strong {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-top: 0.15rem;
}

.license-price-pill.featured-license {
  background: var(--accent-momentum-subtle);
  border-color: var(--accent-momentum-border);
}

.license-price-pill.featured-license strong {
  color: var(--accent-momentum);
}

.license-rec-badge {
  position: absolute;
  top: -8px;
  right: 8px;
  background: var(--accent-momentum);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 3px;
  letter-spacing: 0.05em;
}

/* Action Bar */
.card-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--border-light);
  flex-wrap: wrap;
}

.primary-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn-card-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

/* Buy Now: Primary High-Conversion Action in Momentum Orange */
.btn-card-action.buy-now-btn {
  background: var(--accent-momentum, #FF8000);
  color: #FFFFFF;
  border: 1px solid var(--accent-momentum, #FF8000);
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(255, 128, 0, 0.22);
}

.btn-card-action.buy-now-btn:hover {
  background: var(--accent-momentum-hover, #EA7300);
  border-color: var(--accent-momentum-hover, #EA7300);
  box-shadow: 0 4px 14px var(--accent-momentum-glow, rgba(255, 128, 0, 0.38));
  transform: translateY(-1px);
}

/* Add to Cart: Institutional Obsidian Dark Navy Action */
.btn-card-action.quick-add-cart-btn {
  background: #0E1626;
  color: #FFFFFF;
  border: 1px solid #1E293B;
  font-weight: 600;
}

.btn-card-action.quick-add-cart-btn:hover {
  background: #182238;
  border-color: var(--accent-momentum, #FF8000);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.16);
  transform: translateY(-1px);
}

.btn-card-action.outline {
  background: var(--canvas-surface, #FFFFFF);
  color: var(--text-primary, #0A0A0A);
  border: 1px solid var(--border-strong, #CBD5E1);
  font-weight: 600;
}

.btn-card-action.outline:hover {
  border-color: var(--accent-momentum, #FF8000);
  color: var(--accent-momentum, #FF8000);
  transform: translateY(-1px);
}

.btn-card-action.ghost {
  background: var(--surface-gray, #F4F4F5);
  color: var(--text-secondary, #52525B);
  border: 1px solid var(--border-light, #E4E4E7);
  font-weight: 600;
}

.btn-card-action.ghost:hover {
  border-color: var(--accent-momentum-border, rgba(255, 128, 0, 0.35));
  color: var(--accent-momentum, #FF8000);
  background: var(--accent-momentum-subtle, rgba(255, 128, 0, 0.08));
}

@media (max-width: 860px) {
  .report-card {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .report-cover-book-3d {
    max-width: 260px;
    margin: 0 auto;
  }
  .card-telemetry-banner {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .card-licensing-box {
    grid-template-columns: 1fr;
  }
}

/* Sidebar Concierge Card */
.sidebar-concierge-card {
  margin-top: 2rem;
  background: var(--surface-gray);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 1.25rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.concierge-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--accent-momentum);
  background: var(--accent-momentum-subtle);
  border: 1px solid var(--accent-momentum-border);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.65rem;
}

.concierge-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.4rem 0;
}

.concierge-desc {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin: 0 0 1rem 0;
}

.concierge-btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-momentum);
  text-decoration: none;
  transition: color 0.15s;
}

.concierge-btn:hover {
  text-decoration: underline;
}

/* Empty Catalog State */
.catalog-empty-state,
.empty-catalog-state {
  grid-column: 1 / -1;
  background: var(--canvas-surface);
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  padding: 4rem 2rem;
  text-align: center;
}

.empty-catalog-icon,
.empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.empty-catalog-title,
.empty-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.empty-catalog-text,
.empty-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 1.5rem;
}

.empty-help-links {
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.empty-help-links a {
  color: var(--accent-momentum);
  text-decoration: none;
  font-weight: 600;
  margin-left: 0.4rem;
}

.empty-help-links a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   3. BRIEFCASE SLIDE-OVER DRAWER (CART)
   ========================================================================== */
.briefcase-backdrop,
.briefcase-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  z-index: 99998;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.briefcase-backdrop.open,
.briefcase-drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.briefcase-drawer,
.briefcase-slideover-drawer {
  position: fixed;
  top: 0;
  right: -540px;
  width: 100%;
  max-width: 480px;
  height: 100vh;
  height: 100dvh;
  background: var(--canvas-surface);
  border-left: 1px solid var(--border-light);
  box-shadow: -12px 0 45px rgba(0, 0, 0, 0.3);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  box-sizing: border-box;
}

.briefcase-drawer.open,
.briefcase-slideover-drawer.open {
  right: 0;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
  background: var(--surface-gray);
  flex-shrink: 0;
}

.drawer-title-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.drawer-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.drawer-count-chip {
  background: var(--accent-momentum);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: 9999px;
}

.drawer-close-btn {
  background: transparent;
  border: none;
  font-size: 1.35rem;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
  transition: color 0.2s;
}

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

.drawer-body,
.briefcase-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.empty-briefcase {
  text-align: center;
  padding: 3.5rem 1.5rem;
}

.empty-briefcase-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.empty-briefcase h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.empty-briefcase p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.briefcase-items-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.briefcase-item {
  background: var(--canvas-primary);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 1.15rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.b-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}

.b-item-sku {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-momentum);
  background: var(--accent-momentum-subtle);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.b-item-remove-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 0.15rem 0.35rem;
  transition: color 0.15s;
}

.b-item-remove-btn:hover {
  color: var(--signal-error);
}

.b-item-title {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.b-item-sector {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.b-license-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.b-license-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.b-license-select {
  flex: 1;
  background: var(--surface-gray);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-size: 0.82rem;
  padding: 0.4rem 0.65rem;
  border-radius: 6px;
  outline: none;
  font-family: var(--font-primary);
  cursor: pointer;
}

.b-item-price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 0.65rem;
  border-top: 1px dashed var(--border-light);
}

.b-item-price-row span {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.b-item-price {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
}

/* Drawer Footer: Integrated, Compact, Zero Empty Gap */
.drawer-footer,
.briefcase-drawer-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-light);
  background: var(--surface-gray);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.drawer-promo-wrap {
  display: flex;
  gap: 0.5rem;
}

.promo-input {
  flex: 1;
  background: var(--canvas-primary);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-size: 0.82rem;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  outline: none;
  font-family: var(--font-primary);
}

.promo-input:focus {
  border-color: var(--accent-momentum);
}

.promo-btn {
  background: var(--surface-gray);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.promo-btn:hover {
  border-color: var(--accent-momentum);
  color: var(--accent-momentum);
}

.drawer-subtotal-row,
.briefcase-subtotal-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.subtotal-label,
.briefcase-subtotal-row span {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.subtotal-value,
.briefcase-subtotal-row strong {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}

.subtotal-vat-note,
.briefcase-security-guarantee {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.drawer-action-buttons,
.briefcase-action-group {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

#checkout-btn,
.briefcase-checkout-btn {
  width: 100%;
  padding: 0.85rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 700;
  background: var(--accent-momentum);
  border: 1px solid var(--accent-momentum);
  color: #FFFFFF;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
}

#checkout-btn:hover,
.briefcase-checkout-btn:hover {
  background: var(--accent-momentum-hover);
  box-shadow: 0 4px 16px var(--accent-momentum-glow);
}

.proforma-request-link,
.briefcase-proforma-btn {
  width: 100%;
  padding: 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.proforma-request-link:hover,
.briefcase-proforma-btn:hover {
  border-color: var(--accent-momentum);
  color: var(--accent-momentum);
}

.drawer-trust-badges {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border-light);
}

/* ==========================================================================
   4. SAMPLE REQUEST MODAL WINDOW (FIXED OVERLAY — NEVER IN PAGE FLOW)
   ========================================================================== */
.modal-backdrop,
.sample-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-backdrop.active,
.sample-modal-backdrop.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.sample-modal-dialog,
.sample-modal-window {
  background: var(--canvas-surface);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  max-width: 560px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  position: relative;
  animation: modalScaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 2rem;
  box-sizing: border-box;
}

@keyframes modalScaleUp {
  from { transform: scale(0.94); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-close-btn,
.sample-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: transparent;
  border: none;
  font-size: 1.35rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
  transition: color 0.15s;
}

.modal-close-btn:hover,
.sample-close-btn:hover {
  color: var(--text-primary);
}

.modal-header-block {
  margin-bottom: 1.5rem;
}

.modal-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--accent-momentum);
  background: var(--accent-momentum-subtle);
  border: 1px solid var(--accent-momentum-border);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.6rem;
}

.modal-title,
.sample-modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
  line-height: 1.3;
}

.modal-desc,
.sample-modal-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.sample-lead-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 580px) {
  .form-row-2 {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label,
.sample-form-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group label .required {
  color: var(--signal-error);
}

.form-group input,
.sample-form-input,
.sample-form-select {
  width: 100%;
  background: var(--canvas-primary);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-size: 0.85rem;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s;
  font-family: var(--font-primary);
  box-sizing: border-box;
}

.form-group input:focus,
.sample-form-input:focus {
  border-color: var(--accent-momentum);
  box-shadow: 0 0 0 3px var(--accent-momentum-subtle);
}

.modal-action-row {
  margin-top: 0.5rem;
}

#sample-submit-btn,
.sample-submit-btn {
  width: 100%;
  padding: 0.85rem;
  background: var(--accent-momentum);
  border: none;
  color: #FFFFFF;
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}

#sample-submit-btn:hover,
.sample-submit-btn:hover {
  background: var(--accent-momentum-hover);
}

.modal-privacy-note {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin: 0;
  text-align: center;
}

/* ==========================================================================
   5. PROCUREMENT GUARANTEE STRIP
   ========================================================================== */
.procurement-guarantee-strip {
  background: var(--surface-gray);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 3.5rem 0;
  margin-top: 3.5rem;
}

.procurement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.procurement-col {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.procurement-col-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.procurement-col-p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* Toast System */
.renalytica-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--color-black, #0A0A0A);
  color: #FFFFFF;
  padding: 0.85rem 1.25rem;
  border-radius: 8px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  font-size: 0.88rem;
  font-weight: 600;
  z-index: 100000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-left: 4px solid var(--accent-momentum);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  max-width: 380px;
}

.renalytica-toast.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.renalytica-toast.success {
  border-left-color: #10B981;
}

.renalytica-toast.warning {
  border-left-color: var(--accent-momentum);
}

/* ==========================================================================
   6. RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
  .catalog-layout-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .catalog-sidebar {
    position: static;
  }

  .mobile-filter-toggle-btn {
    display: inline-flex;
  }

  .store-stats-ribbon {
    grid-template-columns: repeat(2, 1fr);
  }

  .procurement-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .store-hero-section {
    padding: 3rem 0 2rem;
  }

  .store-stats-ribbon {
    grid-template-columns: 1fr;
  }

  .briefcase-drawer,
  .briefcase-slideover-drawer {
    max-width: 100%;
  }

  .card-action-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .primary-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-card-action,
  .quick-add-cart-btn {
    width: 100%;
  }
}