/* ==========================================================================
   KP Search — front-end styles
   All customizable properties use CSS custom properties (variables).
   Variables injected at runtime by hookActionFrontControllerSetMedia.
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables (defaults — overridden inline by PHP hook)
   -------------------------------------------------------------------------- */
:root {
  --kps-accent:      #2563eb;
  --kps-bg:          #ffffff;
  --kps-radius:      10px;
  --kps-shadow:      0 8px 30px rgba(0, 0, 0, 0.12);
  --kps-text:        #111827;
  --kps-text-muted:  #6b7280;
  --kps-border:      #e5e7eb;
  --kps-hover:       #f3f4f6;
  --kps-success:     #16a34a;
  --kps-danger:      #dc2626;
  --kps-input-h:     48px;
  --kps-z-dropdown:  10000;
  --kps-z-overlay:   10010;
}

/* ==========================================================================
   Search widget — desktop
   ========================================================================== */

.kps-search-widget {
  position: relative;
  flex: 1 1 auto;
  max-width: 680px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Form & input wrapper
   -------------------------------------------------------------------------- */
.kps-form {
  position: relative;
}

.kps-input-wrapper {
  display: flex;
  align-items: center;
  height: var(--kps-input-h);
  background: var(--kps-bg);
  border: 2px solid var(--kps-border);
  border-radius: var(--kps-radius);
  padding: 0 8px 0 12px;
  gap: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.kps-input-wrapper:focus-within {
  border-color: var(--kps-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--kps-accent) 20%, transparent);
}

.kps-icon-search {
  flex-shrink: 0;
  color: var(--kps-text-muted);
  display: flex;
  align-items: center;
}

.kps-input {
  flex: 1 1 auto;
  border: none;
  outline: none;
  background: transparent;
  font-size: 1rem;
  color: var(--kps-text);
  min-width: 0;
  height: 100%;
}

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

/* Hide native clear button in WebKit */
.kps-input::-webkit-search-cancel-button {
  display: none;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.kps-clear,
.kps-mobile-back {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--kps-text-muted);
  padding: 4px;
  border-radius: 50%;
  transition: background 0.15s ease, color 0.15s ease;
}

.kps-clear:hover,
.kps-mobile-back:hover {
  background: var(--kps-hover);
  color: var(--kps-text);
}

.kps-submit {
  flex-shrink: 0;
  background: var(--kps-accent);
  color: #fff;
  border: none;
  border-radius: calc(var(--kps-radius) - 4px);
  padding: 0 16px;
  height: calc(var(--kps-input-h) - 12px);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s ease;
  white-space: nowrap;
}

.kps-submit:hover {
  opacity: 0.88;
}

/* ==========================================================================
   Dropdown
   ========================================================================== */

.kps-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--kps-bg);
  border: 1px solid var(--kps-border);
  border-radius: var(--kps-radius);
  box-shadow: var(--kps-shadow);
  z-index: var(--kps-z-dropdown);
  overflow: hidden;
  animation: kpsSlideDown 0.18s ease forwards;
  /* Flex column so the scrollable inner area and the sticky footer never overlap */
  display: flex;
  flex-direction: column;
  max-height: min(70vh, 620px);
}

.kps-dropdown[hidden] {
  display: none;
}

@keyframes kpsSlideDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   2-column layout: sidebar + main
   -------------------------------------------------------------------------- */
.kps-dropdown-inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 0;
  /* Grow inside the flex dropdown, leaving room for the sticky footer */
  flex: 1 1 auto;
  overflow: hidden;
}

/* Ensure grid tracks can shrink so inner overflow-y works */
.kps-dropdown-inner > .kps-sidebar,
.kps-dropdown-inner > .kps-main {
  min-height: 0;
}

/* When sidebar is fully empty (all sections hidden), collapse to single column */
.kps-dropdown-inner:has(.kps-sidebar:empty),
.kps-dropdown-inner:has(.kps-sidebar > .kps-categories[hidden] + .kps-brands[hidden]),
.kps-dropdown-inner:has(.kps-sidebar > .kps-categories[hidden]):has(.kps-sidebar > .kps-brands[hidden]) {
  grid-template-columns: 1fr;
}

.kps-dropdown-inner:has(.kps-sidebar > .kps-categories[hidden]):has(.kps-sidebar > .kps-brands[hidden]) .kps-sidebar {
  display: none;
}

.kps-sidebar {
  border-right: 1px solid var(--kps-border);
  padding: 14px 0;
  overflow-y: auto;
  background: #f8fafc;
}

.kps-main {
  padding: 14px 0;
  overflow-y: auto;
}

/* --------------------------------------------------------------------------
   Section titles
   -------------------------------------------------------------------------- */
.kps-section-title {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  padding: 6px 18px 8px;
  margin: 0;
}

.kps-sidebar .kps-categories + .kps-brands .kps-section-title {
  margin-top: 10px;
}

/* --------------------------------------------------------------------------
   Lists reset
   -------------------------------------------------------------------------- */
.kps-category-list,
.kps-brand-list,
.kps-product-list,
.kps-recent-list,
.kps-popular-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* --------------------------------------------------------------------------
   Category items (sidebar)
   -------------------------------------------------------------------------- */
.kps-cat-item {
  padding: 0;
}

.kps-cat-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  text-decoration: none;
  color: var(--kps-text);
  font-size: 0.875rem;
  line-height: 1.3;
  transition: background 0.12s ease, color 0.12s ease;
  border-left: 3px solid transparent;
}

.kps-cat-link:hover,
.kps-cat-item[aria-selected="true"] .kps-cat-link {
  background: #eff6ff;
  color: var(--kps-accent);
  border-left-color: var(--kps-accent);
}

.kps-cat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  color: #94a3b8;
  flex-shrink: 0;
}

.kps-cat-link:hover .kps-cat-icon {
  color: var(--kps-accent);
}

.kps-cat-label {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.kps-cat-name {
  font-weight: 500;
  color: inherit;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kps-cat-name mark {
  background: transparent;
  color: var(--kps-accent);
  font-weight: 700;
}

.kps-cat-parent {
  font-size: 0.7rem;
  color: #94a3b8;
  font-weight: 400;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kps-cat-arrow {
  font-size: 1rem;
  color: #cbd5e1;
  flex-shrink: 0;
  transition: transform 0.15s ease, color 0.15s ease;
}

.kps-cat-link:hover .kps-cat-arrow {
  color: var(--kps-accent);
  transform: translateX(2px);
}

/* --------------------------------------------------------------------------
   Brand items (sidebar)
   -------------------------------------------------------------------------- */
.kps-brand-item {
  padding: 0;
}

.kps-brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  text-decoration: none;
  color: var(--kps-text);
  font-size: 0.875rem;
  line-height: 1.3;
  transition: background 0.12s ease;
  border-left: 3px solid transparent;
}

.kps-brand-link:hover,
.kps-brand-item[aria-selected="true"] .kps-brand-link {
  background: #eff6ff;
  border-left-color: var(--kps-accent);
}

.kps-brand-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--kps-accent) 0%, #7c3aed 100%);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 2px 6px -2px rgba(37, 99, 235, 0.4);
}

.kps-brand-label {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.kps-brand-name {
  font-weight: 600;
  color: var(--kps-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kps-brand-name mark {
  background: transparent;
  color: var(--kps-accent);
  font-weight: 700;
}

.kps-brand-meta {
  font-size: 0.7rem;
  color: #94a3b8;
}

.kps-brand-link:hover .kps-brand-meta {
  color: var(--kps-accent);
}

.kps-brand-arrow {
  font-size: 1rem;
  color: #cbd5e1;
  flex-shrink: 0;
  transition: transform 0.15s ease, color 0.15s ease;
}

.kps-brand-link:hover .kps-brand-arrow {
  color: var(--kps-accent);
  transform: translateX(2px);
}

/* --------------------------------------------------------------------------
   Product cards
   -------------------------------------------------------------------------- */
.kps-product-list {
  padding: 0 8px;
}

.kps-product-item {
  margin: 2px 0;
  border-radius: 10px;
  transition: background 0.12s ease;
}

.kps-product-item:hover,
.kps-product-item[aria-selected="true"] {
  background: #f1f5f9;
}

.kps-product-item--exact {
  background: linear-gradient(90deg, #eff6ff 0%, transparent 100%);
  border: 1px solid #bfdbfe;
  margin-bottom: 8px;
}

.kps-product-item--exact:hover {
  background: #dbeafe;
}

.kps-product-link {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px;
  text-decoration: none;
  color: inherit;
}

.kps-product-thumb {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  border-radius: 8px;
  border: 1px solid var(--kps-border);
  background: #fff;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
}

.kps-product-thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.kps-product-body {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 2px;
}

.kps-product-meta-top {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 2px;
}

.kps-product-brand {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
  background: #f1f5f9;
  padding: 2px 8px;
  border-radius: 4px;
}

.kps-product-exact-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #fff;
  background: var(--kps-accent);
  padding: 2px 8px;
  border-radius: 4px;
}

.kps-product-exact-badge::before {
  content: "✓";
  font-size: 0.75rem;
}

.kps-product-name {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--kps-text);
  margin: 0;
  white-space: normal;
}

.kps-product-name mark {
  background: transparent;
  color: var(--kps-accent);
  font-weight: 700;
}

.kps-product-meta-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 4px;
}

.kps-product-ref {
  font-size: 0.7rem;
  color: #94a3b8;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.kps-product-price {
  font-size: 1rem;
  font-weight: 700;
  color: var(--kps-accent);
  white-space: nowrap;
  flex-shrink: 0;
}

.kps-product-stock {
  font-size: 0.72rem;
  font-weight: 600;
}

.kps-product-stock--in {
  color: var(--kps-success);
}

.kps-product-stock--out {
  color: var(--kps-danger);
}

/* Exact match badge */
.kps-badge-exact {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: color-mix(in srgb, var(--kps-accent) 15%, transparent);
  color: var(--kps-accent);
  border-radius: 4px;
  padding: 1px 6px;
  margin-left: auto;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Dropdown footer — "see all"
   -------------------------------------------------------------------------- */
.kps-dropdown-footer,
.kps-mobile-footer {
  border-top: 1px solid var(--kps-border);
  padding: 10px 16px;
  background: var(--kps-bg);
  flex: 0 0 auto;
}

.kps-mobile-footer {
  /* Stick to the bottom of the overlay, with iOS safe-area padding */
  position: sticky;
  bottom: 0;
  z-index: 1;
  padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -1px 8px rgba(0, 0, 0, 0.04);
}

.kps-mobile-footer .kps-see-all {
  display: flex;
  justify-content: center;
  width: 100%;
  padding: 8px 0;
}

.kps-see-all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--kps-accent);
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.kps-see-all:hover {
  opacity: 0.75;
}

/* ==========================================================================
   Skeleton loader
   ========================================================================== */

.kps-skeleton[hidden] {
  display: none;
}

.kps-skeleton-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
}

.kps-skeleton-img {
  width: 60px;
  height: 60px;
  border-radius: calc(var(--kps-radius) / 2);
  flex-shrink: 0;
  background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
  background-size: 200% 100%;
  animation: kpsShimmer 1.4s infinite;
}

.kps-skeleton-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.kps-skeleton-line {
  height: 10px;
  border-radius: 4px;
  background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
  background-size: 200% 100%;
  animation: kpsShimmer 1.4s infinite;
}

.kps-skeleton-line--title { width: 70%; }
.kps-skeleton-line--sub   { width: 45%; }
.kps-skeleton-line--price { width: 25%; }

@keyframes kpsShimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ==========================================================================
   Empty state
   ========================================================================== */

.kps-empty[hidden] {
  display: none;
}

.kps-empty {
  padding: 12px 0;
}

.kps-recent-list li,
.kps-popular-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  font-size: 0.875rem;
  color: var(--kps-text);
  cursor: pointer;
  transition: background 0.12s ease;
}

.kps-recent-list li:hover,
.kps-popular-list li:hover {
  background: var(--kps-hover);
}

.kps-recent-list .kps-recent-remove {
  margin-left: auto;
  color: var(--kps-text-muted);
  font-size: 0.75rem;
  opacity: 0.7;
  cursor: pointer;
  border: none;
  background: none;
  padding: 2px 4px;
  border-radius: 3px;
}

.kps-recent-list .kps-recent-remove:hover {
  background: var(--kps-border);
  opacity: 1;
}

.kps-no-results {
  padding: 24px 16px;
  font-size: 0.9rem;
  color: var(--kps-text-muted);
  text-align: center;
  margin: 0;
}

.kps-no-results[hidden] {
  display: none;
}

/* TIER 3 #11 : "Vouliez-vous dire ?" suggestion */
.kps-did-you-mean {
  padding: 12px 18px 16px;
  font-size: 0.9rem;
  color: var(--kps-text-muted);
  text-align: center;
}
.kps-did-you-mean-link {
  background: none;
  border: none;
  color: var(--kps-accent);
  font-weight: 700;
  cursor: pointer;
  padding: 0 2px;
  text-decoration: underline;
  text-decoration-color: rgba(37, 99, 235, 0.35);
  text-underline-offset: 3px;
  font-size: inherit;
}
.kps-did-you-mean-link:hover {
  text-decoration-color: currentColor;
}
.kps-no-results-msg {
  margin: 0 0 4px;
  font-size: 0.95rem;
  color: var(--kps-text);
  text-align: center;
}

/* ==========================================================================
   Mobile trigger button
   ========================================================================== */

.kps-mobile-trigger {
  display: none;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--kps-text);
  padding: 8px;
  border-radius: 50%;
  transition: background 0.15s ease;
}

.kps-mobile-trigger:hover {
  background: var(--kps-hover);
}

/* ==========================================================================
   Mobile overlay
   ========================================================================== */

.kps-mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--kps-z-overlay);
  background: var(--kps-bg);
  display: flex;
  flex-direction: column;
  animation: kpsSlideUp 0.22s ease forwards;
  overflow: hidden;
}

.kps-mobile-overlay[hidden] {
  display: none;
}

@keyframes kpsSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.kps-mobile-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--kps-border);
  flex-shrink: 0;
}

.kps-mobile-input-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  height: 42px;
  background: var(--kps-hover);
  border-radius: var(--kps-radius);
  padding: 0 10px;
  border: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.kps-mobile-input-wrapper:focus-within {
  border-color: var(--kps-accent);
  background: var(--kps-bg);
}

.kps-mobile-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 1rem;
  color: var(--kps-text);
  min-width: 0;
}

.kps-mobile-input::placeholder {
  color: var(--kps-text-muted);
}

.kps-mobile-input::-webkit-search-cancel-button {
  display: none;
}

.kps-mobile-results {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 8px 0;
}

/* ==========================================================================
   Responsive — hide/show widget vs trigger
   ========================================================================== */

@media (max-width: 767px) {
  .kps-search-widget {
    display: none;
  }

  .kps-mobile-trigger {
    display: flex;
  }
}

@media (min-width: 768px) {
  .kps-mobile-overlay {
    display: none !important;
  }

  .kps-mobile-trigger {
    display: none;
  }
}

/* ==========================================================================
   Accessibility — reduced motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .kps-dropdown,
  .kps-mobile-overlay,
  .kps-skeleton-img,
  .kps-skeleton-line {
    animation: none;
  }
}

/* ==========================================================================
   WCAG AA — focus-visible outlines
   ========================================================================== */

.kps-see-all:focus-visible,
.kps-submit:focus-visible,
.kps-clear:focus-visible,
.kps-mobile-back:focus-visible,
.kps-mobile-trigger:focus-visible {
  outline: 2px solid var(--kps-accent);
  outline-offset: 2px;
}

/* ==========================================================================
   Results page
   ========================================================================== */

/* --------------------------------------------------------------------------
   Category chips
   -------------------------------------------------------------------------- */
.kps-category-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
}

.kps-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  background: var(--kps-bg);
  border: 1.5px solid var(--kps-border);
  border-radius: 999px;
  font-size: 0.875rem;
  color: var(--kps-text);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.kps-chip:hover {
  border-color: var(--kps-accent);
  color: var(--kps-accent);
}

.kps-chip--active {
  background: var(--kps-accent);
  border-color: var(--kps-accent);
  color: #fff;
  font-weight: 600;
}

.kps-chip--active:hover {
  color: #fff;
  opacity: 0.88;
}

.kps-chip-count {
  font-size: 0.78rem;
  opacity: 0.75;
}

/* --------------------------------------------------------------------------
   Sort bar
   -------------------------------------------------------------------------- */
.kps-sort-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
  flex-wrap: wrap;
}

.kps-results-count {
  flex: 1 1 auto;
  font-size: 0.9rem;
  color: var(--kps-text-muted);
}

.kps-sort-label {
  font-size: 0.875rem;
  color: var(--kps-text-muted);
  white-space: nowrap;
}

.kps-sort-select {
  padding: 6px 12px;
  border: 1.5px solid var(--kps-border);
  border-radius: var(--kps-radius);
  font-size: 0.875rem;
  background: var(--kps-bg);
  color: var(--kps-text);
  cursor: pointer;
  transition: border-color 0.2s ease;
}

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

/* --------------------------------------------------------------------------
   Results layout (sidebar + grid)
   -------------------------------------------------------------------------- */
.kps-results-layout {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

/* --------------------------------------------------------------------------
   Filters sidebar
   -------------------------------------------------------------------------- */
.kps-filters-sidebar {
  flex: 0 0 240px;
  width: 240px;
  min-width: 0;
}

.kps-filter-group {
  margin: 0 0 24px;
}

.kps-filter-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--kps-text-muted);
  margin: 0 0 10px;
}

.kps-filter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.kps-filter-item {
  display: flex;
}

.kps-filter-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--kps-text);
  cursor: pointer;
}

.kps-filter-name {
  flex: 1;
}

.kps-filter-count {
  font-size: 0.78rem;
  color: var(--kps-text-muted);
}

.kps-stock-label {
  font-size: 0.875rem;
}

/* --------------------------------------------------------------------------
   Price range
   -------------------------------------------------------------------------- */
.kps-price-range {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.kps-price-input {
  width: 80px;
  padding: 5px 8px;
  border: 1.5px solid var(--kps-border);
  border-radius: calc(var(--kps-radius) / 2);
  font-size: 0.875rem;
  background: var(--kps-bg);
  color: var(--kps-text);
}

.kps-price-input:focus {
  outline: none;
  border-color: var(--kps-accent);
}

.kps-price-sep {
  color: var(--kps-text-muted);
}

.kps-price-apply {
  padding: 5px 12px;
  background: var(--kps-accent);
  color: #fff;
  border: none;
  border-radius: calc(var(--kps-radius) / 2);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.kps-price-apply:hover {
  opacity: 0.85;
}

/* --------------------------------------------------------------------------
   Products section
   -------------------------------------------------------------------------- */
.kps-products-section {
  flex: 1 1 0;
  min-width: 0;
}

/* --------------------------------------------------------------------------
   Product grid (3 cols desktop, 2 cols mobile)
   -------------------------------------------------------------------------- */
.kps-products-grid {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* --------------------------------------------------------------------------
   Product card
   -------------------------------------------------------------------------- */
.kps-product-card {
  display: flex;
}

.kps-card-link {
  display: flex;
  flex-direction: column;
  width: 100%;
  background: var(--kps-bg);
  border: 1px solid var(--kps-border);
  border-radius: var(--kps-radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s ease, transform 0.15s ease;
}

.kps-card-link:hover {
  box-shadow: var(--kps-shadow);
  transform: translateY(-2px);
}

.kps-card-img-wrap {
  background: var(--kps-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.kps-card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.kps-card-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.kps-card-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--kps-text);
  margin: 0;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.kps-card-name mark {
  background: transparent;
  color: var(--kps-accent);
  font-weight: 700;
}

.kps-card-brand {
  font-size: 0.78rem;
  color: var(--kps-text-muted);
  margin: 0;
}

.kps-card-price {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--kps-accent);
  margin: 4px 0 0;
}

.kps-card-stock {
  font-size: 0.78rem;
  font-weight: 600;
  margin: 2px 0 0;
}

.kps-card-stock--in {
  color: var(--kps-success);
}

.kps-card-stock--out {
  color: var(--kps-danger);
}

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.kps-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  margin: 0 0 20px;
}

.kps-page-btn {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  background: var(--kps-bg);
  border: 1.5px solid var(--kps-border);
  border-radius: calc(var(--kps-radius) / 2);
  font-size: 0.875rem;
  color: var(--kps-text);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.kps-page-btn:hover:not(:disabled) {
  border-color: var(--kps-accent);
  color: var(--kps-accent);
}

.kps-page-btn--active {
  background: var(--kps-accent);
  border-color: var(--kps-accent);
  color: #fff;
  font-weight: 700;
  pointer-events: none;
}

.kps-page-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

/* --------------------------------------------------------------------------
   Zero results
   -------------------------------------------------------------------------- */
.kps-zero-results {
  padding: 48px 24px;
  text-align: center;
}

.kps-zero-message {
  font-size: 1.1rem;
  color: var(--kps-text-muted);
  margin: 0 0 20px;
}

.kps-zero-suggestions {
  list-style: disc;
  display: inline-block;
  text-align: left;
  font-size: 0.9rem;
  color: var(--kps-text-muted);
  padding-left: 24px;
  margin: 0;
  line-height: 1.9;
}

/* --------------------------------------------------------------------------
   Feature filter group (TIER 1 #1)
   -------------------------------------------------------------------------- */
.kps-feature-group {
  border-top: 1px solid var(--kps-border);
  padding-top: 16px;
  margin-top: 16px;
}
.kps-feature-group:first-of-type {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}
.kps-filter-show-more {
  background: none;
  border: none;
  color: var(--kps-accent);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 4px 0;
}
.kps-filter-show-more:hover { text-decoration: underline; }

.kps-clear-filters-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  justify-content: center;
  transition: background 0.15s ease;
}
.kps-clear-filters-btn:hover {
  background: #fee2e2;
}

/* --------------------------------------------------------------------------
   Mobile drawer header (inside the filters sidebar) — hidden on desktop
   -------------------------------------------------------------------------- */
.kps-filters-mobile-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--kps-border);
  margin-bottom: 12px;
}
.kps-filters-mobile-header h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--kps-text);
}
.kps-filters-close {
  background: none;
  border: none;
  padding: 6px;
  color: var(--kps-text-muted);
  cursor: pointer;
  border-radius: 50%;
  transition: background 0.15s ease;
}
.kps-filters-close:hover {
  background: var(--kps-hover);
  color: var(--kps-text);
}

/* Mobile filters trigger button — hidden on desktop */
.kps-filters-toggle {
  display: none;
  align-items: center;
  gap: 6px;
  background: var(--kps-bg);
  border: 1px solid var(--kps-border);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--kps-text);
  cursor: pointer;
  transition: all 0.15s ease;
}
.kps-filters-toggle:hover,
.kps-filters-toggle[aria-expanded="true"] {
  background: var(--kps-accent);
  color: #fff;
  border-color: var(--kps-accent);
}

/* Backdrop behind the drawer on mobile */
.kps-filters-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  z-index: 10000;
  animation: kpsFadeIn 0.2s ease;
}
.kps-filters-backdrop:not([hidden]) {
  display: block;
}
@keyframes kpsFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* --------------------------------------------------------------------------
   Responsive — mobile (<= 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  /* Category chips : horizontal scroll snap instead of wrapping */
  .kps-category-chips {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    overflow-x: auto;
    padding: 8px 0 12px;
    margin: 0 -12px;
    padding-left: 12px;
    padding-right: 12px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .kps-category-chips::-webkit-scrollbar { display: none; }
  .kps-category-chips .kps-chip {
    flex: 0 0 auto;
    scroll-snap-align: start;
  }

  /* Sort bar becomes a sticky compact header */
  .kps-sort-bar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--kps-bg);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 0;
    margin: 0 0 10px;
    border-bottom: 1px solid var(--kps-border);
  }
  .kps-results-count {
    flex: 1;
    font-size: 0.85rem;
    font-weight: 600;
    order: 1;
  }
  .kps-filters-toggle {
    display: inline-flex;
    order: 2;
  }
  .kps-sort-label {
    display: none;
  }
  .kps-sort-select {
    order: 3;
    flex: 0 1 auto;
    max-width: 140px;
    font-size: 0.85rem;
  }

  /* Layout : products full width, sidebar becomes a right-slide drawer */
  .kps-results-layout {
    display: block;
  }

  .kps-filters-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(90vw, 360px);
    max-width: 360px;
    background: var(--kps-bg);
    z-index: 10001;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0 18px 24px;
    box-shadow: -8px 0 32px -8px rgba(15, 23, 42, 0.25);
    transform: translateX(100%);
    transition: transform 0.25s ease;
  }
  .kps-filters-sidebar.kps-filters-open {
    transform: translateX(0);
  }
  .kps-filters-mobile-header {
    display: flex;
    margin-left: -18px;
    margin-right: -18px;
    position: sticky;
    top: 0;
    background: var(--kps-bg);
    z-index: 1;
  }

  /* Products grid : 2 columns, more breathing room */
  .kps-products-section {
    width: 100%;
  }
  .kps-products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
  }
  .kps-card-body {
    padding: 10px 12px 12px;
  }
  .kps-card-name {
    font-size: 0.82rem;
    line-height: 1.3;
  }
  .kps-card-brand {
    font-size: 0.68rem;
  }
  .kps-card-price {
    font-size: 1rem;
  }

  /* Single-column on very narrow screens */
  @media (max-width: 380px) {
    .kps-products-grid {
      grid-template-columns: 1fr;
    }
  }
}