/**
 * HEAVY MACHINERY - Global Industrial Marketplace
 * Marketplace Browsing Page CSS (Phase 2.1)
 * 
 * Consistent with approved Phase 1 Light Theme:
 * - Primary: Deep teal (#104E46)
 * - Backgrounds: Warm ivory (#FBFBFA), Surface (#FFFFFF), Subtle (#F4F5F4)
 * - Typography: Deep charcoal (#121922), Muted slate (#64748B)
 * - Accent: Subtle muted gold (#C59B27 / #E2B93B)
 */

/* ==========================================================================
   1. PAGE HEADER & BREADCRUMBS
   ========================================================================== */

.marketplace-page-hero {
  background-color: var(--color-bg-body);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 2.25rem 0 2rem;
  position: relative;
}

.marketplace-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.marketplace-breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.marketplace-breadcrumbs a:hover {
  color: var(--color-primary-700);
}

.marketplace-breadcrumbs .separator {
  color: var(--color-border-strong);
  font-size: 0.75rem;
}

.marketplace-breadcrumbs .current {
  color: var(--color-text-heading);
  font-weight: var(--font-weight-medium);
}

.marketplace-header-content {
  max-width: 820px;
}

.marketplace-header-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-700);
  background-color: #EDF7F4;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  border: 1px solid rgba(16, 78, 70, 0.15);
}

.marketplace-header-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-heading);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
}

.marketplace-header-desc {
  font-size: 1rem;
  color: var(--color-text-body);
  line-height: 1.6;
  margin-bottom: 1.75rem;
}

/* ==========================================================================
   2. PROMINENT MARKETPLACE SEARCH BAR
   ========================================================================== */

.marketplace-search-wrapper {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-lg);
  padding: 0.35rem 0.5rem 0.35rem 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 4px 16px rgba(18, 25, 34, 0.05);
  transition: all var(--transition-normal);
  max-width: 760px;
}

.marketplace-search-wrapper:focus-within {
  border-color: var(--color-primary-600);
  box-shadow: 0 0 0 3px rgba(16, 78, 70, 0.12), 0 6px 20px rgba(18, 25, 34, 0.07);
}

.marketplace-search-icon {
  color: var(--color-primary-700);
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.marketplace-search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--font-family-sans);
  font-size: 0.95rem;
  color: var(--color-text-heading);
  padding: 0.5rem 0;
  min-width: 0;
}

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

.marketplace-search-clear {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0;
  width: 38px;
  height: 38px;
  min-width: 44px;
  min-height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1.35rem;
  line-height: 1;
  transition: all var(--transition-fast);
  touch-action: manipulation;
  flex-shrink: 0;
}

.marketplace-search-clear.visible {
  display: flex;
}

.marketplace-search-clear:hover {
  color: var(--color-primary-800);
  background-color: var(--color-bg-subtle);
}

.marketplace-search-btn {
  padding: 0.65rem 1.4rem;
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

/* Quick Search Suggestions / Category Badges */
.marketplace-quick-tags {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.quick-tag-label {
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.quick-tag-btn {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: 9999px;
  padding: 0.2rem 0.65rem;
  font-size: 0.75rem;
  color: var(--color-text-body);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quick-tag-btn:hover {
  border-color: var(--color-primary-400);
  background-color: #EDF7F4;
  color: var(--color-primary-800);
}

/* ==========================================================================
   3. MAIN TWO-COLUMN MARKETPLACE LAYOUT
   ========================================================================== */

.marketplace-main-section {
  padding: 2.5rem 0 5rem;
  background-color: var(--color-bg-body);
  min-height: 80vh;
}

.marketplace-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  align-items: start;
}

/* ==========================================================================
   4. DESKTOP FILTER PANEL
   ========================================================================== */

.marketplace-filters {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  box-shadow: 0 1px 4px rgba(18, 25, 34, 0.04);
  position: sticky;
  top: 90px;
  max-height: calc(100vh - 110px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-medium) transparent;
}

.marketplace-filters::-webkit-scrollbar {
  width: 5px;
}

.marketplace-filters::-webkit-scrollbar-thumb {
  background-color: var(--color-border-medium);
  border-radius: 4px;
}

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

.filters-title-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filters-title {
  font-size: 1.05rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-heading);
  margin: 0;
}

.btn-reset-filters {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.78125rem;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  padding: 0.25rem 0.4rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-reset-filters:hover {
  color: var(--color-primary-700);
  background-color: var(--color-bg-subtle);
}

/* Filter Accordion / Groups */
.filter-group {
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 1.1rem 0;
}

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

.filter-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  padding: 0;
  text-align: left;
  cursor: pointer;
  color: var(--color-text-heading);
  font-size: 0.875rem;
  font-weight: var(--font-weight-bold);
  font-family: var(--font-family-sans);
}

.filter-group-header svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
  color: var(--color-text-muted);
}

.filter-group.collapsed .filter-group-header svg {
  transform: rotate(-90deg);
}

.filter-group.collapsed .filter-group-body {
  display: none;
}

.filter-group-body {
  padding-top: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

/* Custom Checkbox & Radio */
.filter-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--color-text-body);
  cursor: pointer;
  user-select: none;
  margin: 0;
}

.filter-option:hover {
  color: var(--color-primary-800);
}

.filter-option-label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.filter-checkbox {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--color-border-strong);
  border-radius: 3px;
  background-color: #FFF;
  cursor: pointer;
  display: grid;
  place-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.filter-checkbox::before {
  content: "";
  width: 8px;
  height: 8px;
  transform: scale(0);
  transition: 120ms transform ease-in-out;
  box-shadow: inset 1em 1em #FFF;
  transform-origin: center;
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}

.filter-checkbox:checked {
  background-color: var(--color-primary-700);
  border-color: var(--color-primary-700);
}

.filter-checkbox:checked::before {
  transform: scale(1);
}

.filter-checkbox:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

.filter-count {
  font-size: 0.725rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  font-family: var(--font-family-mono);
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  line-height: 1.2;
}

/* Verification Toggle Switch */
.filter-verified-toggle {
  background-color: var(--color-verified-bg, #EDFBF6);
  border: 1px solid var(--color-success-border, #A7F3D0);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  margin-top: 0.75rem;
}

.filter-verified-toggle .filter-option {
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-900);
}

/* Price Range Inputs */
.price-inputs-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.price-input-box {
  position: relative;
  display: flex;
  align-items: center;
}

.price-currency-symbol {
  position: absolute;
  left: 8px;
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  pointer-events: none;
}

.price-input {
  width: 100%;
  padding: 0.45rem 0.45rem 0.45rem 1.35rem;
  font-size: 0.8125rem;
  font-family: var(--font-family-mono);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  color: var(--color-text-heading);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.price-input:focus {
  border-color: var(--color-primary-600);
  box-shadow: 0 0 0 3px rgba(22, 101, 90, 0.15);
  outline: none;
}

.btn-apply-price {
  width: 100%;
  padding: 0.45rem 0.75rem;
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  border: 1px solid var(--color-border-medium);
  background-color: var(--color-bg-subtle);
  color: var(--color-text-heading);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-apply-price:hover {
  background-color: var(--color-primary-700);
  color: #FFFFFF;
  border-color: var(--color-primary-700);
}

/* Year of Manufacture Inputs */
.year-inputs-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.year-input-box {
  flex: 1;
}

.year-input {
  width: 100%;
  padding: 0.45rem 0.5rem;
  font-size: 0.8125rem;
  font-family: var(--font-family-mono);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  color: var(--color-text-heading);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.year-input:focus {
  border-color: var(--color-primary-600);
  box-shadow: 0 0 0 3px rgba(22, 101, 90, 0.15);
  outline: none;
}

.range-separator {
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

.btn-apply-year {
  width: 100%;
  padding: 0.45rem 0.75rem;
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  border: 1px solid var(--color-border-medium);
  background-color: var(--color-bg-subtle);
  color: var(--color-text-heading);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-apply-year:hover {
  background-color: var(--color-primary-700);
  color: #FFFFFF;
  border-color: var(--color-primary-700);
}

/* Scrollable Brands List */
.brands-filter-list {
  max-height: 190px;
  overflow-y: auto;
  padding-right: 0.35rem;
  background-color: transparent;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-medium) transparent;
}

.brands-filter-list::-webkit-scrollbar {
  width: 5px;
}

.brands-filter-list::-webkit-scrollbar-track {
  background: var(--color-bg-subtle);
  border-radius: 4px;
}

.brands-filter-list::-webkit-scrollbar-thumb {
  background: var(--color-border-medium);
  border-radius: 4px;
}

.brands-filter-list::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-strong);
}

.priced-only-option {
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--color-border-subtle);
  background-color: transparent;
}

/* ==========================================================================
   5. RESULTS AREA, ACTIVE FILTER CHIPS & TOOLBAR
   ========================================================================== */

.marketplace-results {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* Active Filter Chips Bar (Phase 2.5) */
.active-filters-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  box-shadow: 0 1px 3px rgba(18, 25, 34, 0.03);
}

.active-filters-title {
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary-900);
  flex-shrink: 0;
}

.active-chips-list {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  flex: 1;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--color-bg-subtle);
  color: var(--color-text-main);
  font-size: 0.75rem;
  font-weight: var(--font-weight-medium);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-medium);
  transition: all var(--transition-fast);
}

.filter-chip:hover {
  background-color: var(--color-primary-50);
  border-color: var(--color-primary-300);
}

.filter-chip .chip-label {
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  font-size: 0.7rem;
}

.filter-chip .chip-display {
  font-weight: var(--font-weight-bold);
  color: var(--color-text-heading);
}

.filter-chip .btn-remove-chip {
  background: none;
  border: none;
  color: var(--color-primary-600);
  cursor: pointer;
  padding: 0 0 0 0.2rem;
  display: inline-flex;
  align-items: center;
  font-size: 0.85rem;
  line-height: 1;
  transition: color var(--transition-fast);
}

.filter-chip .btn-remove-chip:hover {
  color: #DC2626;
}

.btn-clear-all-chips {
  background: transparent;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  padding: 0.25rem 0.65rem;
  flex-shrink: 0;
  margin-left: auto;
  transition: all var(--transition-fast);
}

.btn-clear-all-chips:hover {
  background-color: #FEF2F2;
  border-color: #FCA5A5;
  color: #DC2626;
}

.results-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  margin-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
  box-shadow: 0 1px 3px rgba(18, 25, 34, 0.02);
}

.results-count-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.results-count-badge {
  font-size: 0.875rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-heading);
}

.results-actions-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

/* Mobile Filter Drawer Trigger Button */
.btn-mobile-filter-trigger {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  font-size: 0.8125rem;
  font-weight: var(--font-weight-semibold);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-sm);
  background-color: #FFF;
  color: var(--color-text-heading);
  cursor: pointer;
}

.btn-mobile-filter-trigger:hover {
  border-color: var(--color-primary-600);
  color: var(--color-primary-700);
}

/* Sort Select Dropdown */
.sort-control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.sort-select {
  padding: 0.45rem 2rem 0.45rem 0.75rem;
  font-size: 0.8125rem;
  font-family: var(--font-family-sans);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-heading);
  background: #FFF url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") no-repeat right 0.65rem center;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-sm);
  cursor: pointer;
  appearance: none;
}

.sort-select:focus {
  border-color: var(--color-primary-600);
  outline: none;
}

/* View Mode Toggles (Grid vs List) */
.view-mode-toggles {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--color-bg-subtle);
}

.btn-view-toggle {
  background: none;
  border: none;
  padding: 0.45rem 0.55rem;
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.btn-view-toggle:hover {
  color: var(--color-text-heading);
}

.btn-view-toggle.active {
  background-color: #FFF;
  color: var(--color-primary-700);
  box-shadow: 0 1px 2px rgba(18, 25, 34, 0.08);
}

/* ==========================================================================
   6. MACHINE LISTING GRID (3 Columns Desktop)
   ========================================================================== */

.marketplace-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

/* Enhancing Machine Card for Marketplace Browse */
.marketplace-grid .machine-card {
  box-shadow: 0 1px 3px rgba(18, 25, 34, 0.04);
}

.marketplace-grid .machine-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(16, 78, 70, 0.10), 0 2px 6px rgba(18, 25, 34, 0.04);
  border-color: var(--color-primary-400, #4D9B8E);
}

/* ==========================================================================
   7. LIST VIEW MODE (Horizontal Rows)
   ========================================================================== */

.marketplace-grid.list-view {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.marketplace-grid.list-view .machine-card {
  flex-direction: row;
  height: auto;
  min-height: 220px;
}

.marketplace-grid.list-view .machine-card-header {
  width: 280px;
  height: auto;
  flex-shrink: 0;
  border-right: 1px solid var(--color-border-subtle);
}

.marketplace-grid.list-view .machine-card-body {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 1.5rem;
  padding: 1.5rem;
  flex: 1;
}

.marketplace-grid.list-view .card-info-col {
  display: flex;
  flex-direction: column;
}

.marketplace-grid.list-view .card-action-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  border-left: 1px solid var(--color-border-subtle);
  padding-left: 1.5rem;
  gap: 0.75rem;
}

.marketplace-grid.list-view .machine-card-footer {
  margin-top: 0;
  padding-top: 0;
  flex-direction: column;
  align-items: flex-end;
  width: 100%;
}

.marketplace-grid.list-view .machine-card-actions-bottom {
  display: flex;
  flex-direction: column;
  width: 100%;
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

/* ==========================================================================
   8. PAGINATION COMPONENT
   ========================================================================== */

.marketplace-pagination-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  margin-top: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.pagination-summary {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.pagination-pages-list {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.pagination-btn {
  min-width: 36px;
  height: 36px;
  padding: 0 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-body);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.pagination-btn:hover:not(:disabled) {
  border-color: var(--color-primary-500);
  color: var(--color-primary-700);
  background-color: #EDF7F4;
}

.pagination-btn.active {
  background-color: var(--color-primary-700);
  border-color: var(--color-primary-700);
  color: #FFF;
  font-weight: var(--font-weight-bold);
}

.pagination-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  border-color: var(--color-border-subtle);
}

/* ==========================================================================
   9. EMPTY STATE
   ========================================================================== */

.marketplace-empty-state {
  grid-column: 1 / -1;
  background-color: var(--color-bg-surface);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-card);
  padding: 4rem 2rem;
  text-align: center;
  margin: 1rem 0;
}

.empty-state-icon-box {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--color-bg-subtle);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-heading);
  margin-bottom: 0.5rem;
}

.empty-state-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}

.search-empty-suggestions {
  background-color: var(--color-bg-subtle, #FAFBF9);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  max-width: 560px;
  margin: 1.25rem auto 1.5rem;
  text-align: left;
}

.search-suggestions-label {
  font-size: 0.8125rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-heading);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.65rem;
}

.search-suggestions-list {
  list-style: disc;
  padding-left: 1.25rem;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.875rem;
  color: var(--color-text-body);
  line-height: 1.5;
}

.search-suggestions-list li strong {
  color: var(--color-text-heading);
}

.suggestion-category-link {
  color: var(--color-primary-700);
  font-weight: var(--font-weight-semibold);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.suggestion-category-link:hover {
  color: var(--color-primary-800);
}

/* ==========================================================================
   10. MOBILE FILTER DRAWER & OVERLAY
   ========================================================================== */

.mobile-filter-drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(18, 25, 34, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-filter-drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.mobile-filter-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 85%;
  max-width: 360px;
  background-color: var(--color-bg-surface);
  z-index: 1001;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  box-shadow: 4px 0 24px rgba(18, 25, 34, 0.12);
}

.mobile-filter-drawer-backdrop.open .mobile-filter-drawer {
  transform: translateX(0);
}

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

.drawer-title {
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-heading);
  margin: 0;
}

.drawer-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.drawer-close-btn:hover {
  color: var(--color-text-heading);
  background-color: var(--color-bg-subtle);
}

.drawer-body {
  padding: 1.25rem 1.5rem;
  overflow-y: auto;
  flex: 1;
  background-color: var(--color-bg-surface);
}

.drawer-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-border-subtle);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  background-color: var(--color-bg-warm);
}

.drawer-footer .btn-primary {
  background-color: var(--color-primary-700);
  color: var(--color-text-inverse);
  box-shadow: 0 2px 6px rgba(16, 78, 70, 0.2);
}

.drawer-footer .btn-primary:hover {
  background-color: var(--color-primary-800);
}

.drawer-footer .btn-secondary {
  background-color: var(--color-bg-surface);
  color: var(--color-text-main);
  border: 1px solid var(--color-border-medium);
}

.drawer-footer .btn-secondary:hover {
  background-color: var(--color-bg-subtle);
  border-color: var(--color-border-strong);
}

/* ==========================================================================
   11. RESPONSIVE BREAKPOINTS (Mobile & Tablet)
   ========================================================================== */

/* Large Tablets & Small Laptops (<= 1200px) */
@media (max-width: 1200px) {
  .marketplace-layout {
    grid-template-columns: 260px 1fr;
    gap: 1.5rem;
  }

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

/* Tablets & Mobile (<= 991px) */
@media (max-width: 991px) {
  .marketplace-layout {
    grid-template-columns: 1fr;
  }

  .marketplace-filters {
    display: none; /* Hidden on desktop side; drawer used */
  }

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

  .marketplace-grid.list-view .machine-card {
    flex-direction: column;
  }

  .marketplace-grid.list-view .machine-card-header {
    width: 100%;
    height: 200px;
    border-right: none;
    border-bottom: 1px solid var(--color-border-subtle);
  }

  .marketplace-grid.list-view .machine-card-body {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .marketplace-grid.list-view .card-action-col {
    border-left: none;
    padding-left: 0;
    align-items: flex-start;
  }

  .marketplace-grid.list-view .machine-card-footer {
    align-items: flex-start;
  }
}

/* Mobile Screens (<= 767px) */
@media (max-width: 767px) {
  .marketplace-page-hero {
    padding: 1.5rem 0 1.25rem;
  }

  .marketplace-header-title {
    font-size: 1.625rem;
  }

  .marketplace-header-desc {
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
  }

  .marketplace-search-wrapper {
    flex-wrap: wrap;
    padding: 0.65rem 0.85rem;
    gap: 0.5rem;
    align-items: center;
  }

  .marketplace-search-icon {
    flex-shrink: 0;
  }

  .marketplace-search-input {
    flex: 1;
    min-width: 140px;
    padding: 0.4rem 0;
  }

  .marketplace-search-clear {
    flex-shrink: 0;
  }

  .marketplace-search-btn {
    width: 100%;
    margin-top: 0.25rem;
    text-align: center;
    justify-content: center;
  }

  .marketplace-grid {
    grid-template-columns: 1fr; /* Full width cards */
    gap: 1.25rem;
  }

  .results-toolbar {
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    gap: 0.75rem;
  }

  .results-count-group {
    justify-content: space-between;
  }

  .results-actions-group {
    width: 100%;
    justify-content: space-between;
    margin-left: 0;
  }

  .sort-select {
    flex: 1;
  }

  .marketplace-pagination-nav {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }

  /* Safe touch targets >= 44px */
  .btn, 
  .pagination-btn, 
  .btn-mobile-filter-trigger, 
  .quick-tag-btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}