/* ════════════════════════════════════════════════════════════════════════════
   GTI Equipment Filter — Public Catalog Page
   Shortcode: [gti_used_equipment_filter], [gti_rental_equipment_filter], [gti_spare_parts_filter]
   ════════════════════════════════════════════════════════════════════════════ */

/* ── Variables ────────────────────────────────────────────────────────────── */
:root {
  --ef-primary: #FFB800;
  --ef-primary-hover: #e6a600;
  --ef-dark: #111827;
  --ef-gray: #374151;
  --ef-muted: #6b7280;
  --ef-light: #9ca3af;
  --ef-border: #E5E7EB;
  --ef-border-light: #F3F4F6;
  --ef-bg: #F9FAFB;
  --ef-white: #FFFFFF;
  --ef-green: #16a34a;
  --ef-orange: #ea580c;
  --ef-red: #dc2626;
  --ef-radius: 8px;
  --ef-radius-lg: 12px;
  --ef-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --ef-shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.1);
  --ef-transition: all 0.2s ease;
  --ef-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ── Main Layout ──────────────────────────────────────────────────────────── */
.gti-ef-wrapper {
  font-family: var(--ef-font);
  color: var(--ef-dark);
  background: var(--ef-white);
  min-height: 100vh;
  padding: 32px 40px;
  max-width: 1440px;
  margin: 0 auto;
}

.gti-ef-container {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

/* ── Sidebar Filter Panel ─────────────────────────────────────────────────── */
.gti-ef-sidebar {
  width: 280px;
  min-width: 280px;
  background: var(--ef-white);
  border-radius: var(--ef-radius-lg);
  border: 1px solid var(--ef-border);
  overflow: hidden;
  position: sticky;
  top: 100px;
}

/* ── Accordion Filter Groups ──────────────────────────────────────────────── */
.gti-ef-filters {
  padding: 0 20px 20px;
}

.gti-ef-filter-group {
  border-bottom: 1px solid var(--ef-border-light);
}

.gti-ef-filter-group:last-child {
  border-bottom: none;
}

.gti-ef-filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  cursor: pointer;
  user-select: none;
  transition: var(--ef-transition);
}

.gti-ef-filter-header:hover {
  color: var(--ef-primary);
}

.gti-ef-filter-header h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--ef-dark);
  margin: 0;
}

.gti-ef-filter-header .toggle-icon {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 1px solid var(--ef-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--ef-muted);
  transition: var(--ef-transition);
  flex-shrink: 0;
}

.gti-ef-filter-header.open .toggle-icon {
  background: var(--ef-primary);
  border-color: var(--ef-primary);
  color: var(--ef-dark);
}

.gti-ef-filter-body {
  display: none;
  padding-bottom: 14px;
}

.gti-ef-filter-body.open {
  display: block;
}

/* ── Checkbox Filter Items ────────────────────────────────────────────────── */
.gti-ef-checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 200px;
  overflow-y: auto;
}

.gti-ef-checkbox-list::-webkit-scrollbar {
  width: 4px;
}

.gti-ef-checkbox-list::-webkit-scrollbar-thumb {
  background: var(--ef-border);
  border-radius: 4px;
}

.gti-ef-checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.gti-ef-checkbox-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 1.5px solid var(--ef-border);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  position: relative;
  transition: var(--ef-transition);
  flex-shrink: 0;
}

.gti-ef-checkbox-item input[type="checkbox"]:checked {
  background: var(--ef-primary);
  border-color: var(--ef-primary);
}

.gti-ef-checkbox-item input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--ef-dark);
  font-size: 10px;
  font-weight: 700;
}

.gti-ef-checkbox-item label {
  font-size: 13px;
  color: var(--ef-gray);
  cursor: pointer;
  flex: 1;
}

.gti-ef-checkbox-item:hover label {
  color: var(--ef-dark);
}

/* ── Range Filter Inputs ──────────────────────────────────────────────────── */
.gti-ef-range-inputs {
  display: flex;
  align-items: center;
  gap: 6px;
}

.gti-ef-range-inputs input {
  flex: 1;
  height: 32px;
  border: 1px solid var(--ef-border);
  border-radius: 6px;
  padding: 0 8px;
  font-size: 11px;
  font-family: var(--ef-font);
  color: var(--ef-gray);
  background: var(--ef-white);
  transition: var(--ef-transition);
  min-width: 0;
  max-width: 100px;
}

.gti-ef-range-inputs input:focus {
  outline: none;
  border-color: var(--ef-primary);
  box-shadow: 0 0 0 3px rgba(255, 184, 0, 0.12);
}

.gti-ef-range-inputs input::placeholder {
  color: var(--ef-light);
}

.gti-ef-range-separator {
  color: var(--ef-light);
  font-size: 12px;
  flex-shrink: 0;
}

/* ── Price / Hours Slider ─────────────────────────────────────────────────── */
.gti-ef-slider-track {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--ef-border);
  margin: 12px 0 6px;
  position: relative;
}

.gti-ef-slider-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--ef-primary);
  position: absolute;
  top: 0;
}

.gti-ef-slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--ef-light);
  font-weight: 500;
}

/* ── Filter Action Buttons ────────────────────────────────────────────────── */
.gti-ef-actions {
  padding: 16px 20px;
  border-top: 1px solid var(--ef-border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.gti-ef-btn-reset {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 10px;
  border: 1px solid var(--ef-border);
  border-radius: var(--ef-radius);
  background: var(--ef-white);
  color: var(--ef-muted);
  font-size: 13px;
  font-weight: 500;
  font-family: var(--ef-font);
  cursor: pointer;
  transition: var(--ef-transition);
}

.gti-ef-btn-reset:hover {
  border-color: var(--ef-light);
  color: var(--ef-dark);
}

.gti-ef-btn-apply {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: var(--ef-radius);
  background: var(--ef-primary);
  color: var(--ef-dark);
  font-size: 14px;
  font-weight: 700;
  font-family: var(--ef-font);
  cursor: pointer;
  transition: var(--ef-transition);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.gti-ef-btn-apply:hover {
  background: var(--ef-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 184, 0, 0.35);
}

.gti-ef-btn-apply:active {
  transform: translateY(0);
}

/* ── Main Content Area ────────────────────────────────────────────────────── */
.gti-ef-content {
  flex: 1;
  min-width: 0;
}

/* ── Top Bar ──────────────────────────────────────────────────────────────── */
.gti-ef-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.gti-ef-result-count {
  font-size: 14px;
  color: var(--ef-muted);
  font-weight: 500;
}

.gti-ef-result-count strong {
  color: var(--ef-dark);
  font-weight: 700;
}

.gti-ef-topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.gti-ef-sort-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.gti-ef-sort-label {
  font-size: 13px;
  color: var(--ef-muted);
  font-weight: 500;
  white-space: nowrap;
}

.gti-ef-sort-select {
  height: 38px;
  padding: 0 32px 0 12px;
  border: 1px solid var(--ef-border);
  border-radius: var(--ef-radius);
  background: var(--ef-white);
  font-size: 13px;
  font-family: var(--ef-font);
  font-weight: 500;
  color: var(--ef-dark);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236B7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  transition: var(--ef-transition);
}

.gti-ef-sort-select:focus {
  outline: none;
  border-color: var(--ef-primary);
  box-shadow: 0 0 0 3px rgba(255, 184, 0, 0.12);
}

.gti-ef-view-switcher {
  display: flex;
  align-items: center;
  gap: 0;
  border: none;
  border-radius: var(--ef-radius);
  overflow: hidden;
  background: var(--ef-border-light);
}

.gti-ef-view-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--ef-light);
  transition: var(--ef-transition);
  border-radius: var(--ef-radius);
}

.gti-ef-view-btn.active {
  background: var(--ef-primary);
  color: var(--ef-dark);
}

.gti-ef-view-btn:not(:last-child) {
  border-right: none;
}

.gti-ef-view-btn:hover:not(.active) {
  color: var(--ef-dark);
  background: rgba(0, 0, 0, 0.04);
}

/* ── Equipment Card Grid ──────────────────────────────────────────────────── */
.gti-ef-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gti-ef-grid.list-view {
  grid-template-columns: 1fr;
  gap: 12px;
}

/* ── Equipment Card ───────────────────────────────────────────────────────── */
.gti-ef-card {
  background: var(--ef-white);
  border: 1px solid var(--ef-border);
  border-radius: var(--ef-radius-lg);
  overflow: hidden;
  transition: var(--ef-transition);
  cursor: pointer;
}

.gti-ef-card:hover {
  box-shadow: var(--ef-shadow-hover);
  transform: translateY(-3px);
}

/* List view card */
.gti-ef-grid.list-view .gti-ef-card {
  display: flex;
  flex-direction: row;
}

.gti-ef-grid.list-view .gti-ef-card-image {
  width: 240px;
  min-width: 240px;
  height: 180px;
}

.gti-ef-grid.list-view .gti-ef-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ── Card Image ───────────────────────────────────────────────────────────── */
.gti-ef-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--ef-border-light);
}

.gti-ef-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gti-ef-card:hover .gti-ef-card-image img {
  transform: scale(1.05);
}

.gti-ef-card-image .placeholder-icon {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: var(--ef-border);
  background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
}

/* ── Status Badge ─────────────────────────────────────────────────────────── */
.gti-ef-status-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ef-white);
}

.gti-ef-status-badge.ready {
  background: var(--ef-green);
}

.gti-ef-status-badge.coming-soon {
  background: var(--ef-orange);
}

.gti-ef-status-badge.sold {
  background: var(--ef-red);
}

/* ── Spare Parts Stock Status ───────────────────────────────────────────── */

.gti-ef-status-badge.in-stock {
    background: var(--ef-green);
}

.gti-ef-status-badge.low-stock {
    background: var(--ef-orange);
}

.gti-ef-status-badge.out-of-stock {
    background: var(--ef-red);
}

/* ── Equipment Stock Status ───────────────────────────────────────────── */

.gti-ed-status-badge.in-stock {
    background: var(--ef-green);
    color: var(--ef-white);
}

.gti-ed-status-badge.low-stock {
    background: var(--ef-orange);
    color: var(--ef-white);
}

.gti-ed-status-badge.out-of-stock {
    background: var(--ef-red);
    color: var(--ef-white);
}


/* ── Card Body ────────────────────────────────────────────────────────────── */
.gti-ef-card-body {
  padding: 16px;
}

.gti-ef-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ef-dark);
  margin: 0 0 10px;
  line-height: 1.3;
}

.gti-ef-card-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.gti-ef-card-meta-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ef-muted);
}

.gti-ef-card-meta-row i {
  width: 16px;
  text-align: center;
  font-size: 12px;
  color: var(--ef-light);
  flex-shrink: 0;
}

.gti-ef-card-meta-row span {
  font-weight: 500;
}

/* ── Card CTA Button ──────────────────────────────────────────────────────── */
.gti-ef-card-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 100%;
  padding: 7px 10px;
  border: none;
  border-radius: 6px;
  background: var(--ef-primary);
  color: var(--ef-dark);
  font-size: 10px;
  font-weight: 700;
  font-family: var(--ef-font);
  cursor: pointer;
  transition: var(--ef-transition);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  box-sizing: border-box;
}

.gti-ef-card-cta:hover {
  background: var(--ef-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 184, 0, 0.3);
}

/* ── Pagination ───────────────────────────────────────────────────────────── */
.gti-ef-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--ef-border);
}

.gti-ef-page-btn {
  min-width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ef-border);
  border-radius: var(--ef-radius);
  background: var(--ef-white);
  color: var(--ef-gray);
  font-size: 13px;
  font-weight: 500;
  font-family: var(--ef-font);
  cursor: pointer;
  transition: var(--ef-transition);
  padding: 0 8px;
}

.gti-ef-page-btn:hover:not(:disabled):not(.active) {
  border-color: var(--ef-primary);
  color: var(--ef-primary);
}

.gti-ef-page-btn.active {
  background: var(--ef-primary);
  border-color: var(--ef-primary);
  color: var(--ef-dark);
  font-weight: 700;
}

.gti-ef-page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.gti-ef-page-btn i {
  font-size: 11px;
}

/* ── No Results ───────────────────────────────────────────────────────────── */
.gti-ef-no-results {
  text-align: center;
  padding: 60px 20px;
  color: var(--ef-muted);
}

.gti-ef-no-results i {
  font-size: 48px;
  color: var(--ef-border);
  margin-bottom: 16px;
  display: block;
}

.gti-ef-no-results h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ef-dark);
  margin-bottom: 8px;
}

.gti-ef-no-results p {
  font-size: 14px;
  max-width: 400px;
  margin: 0 auto;
}

/* ── Loading Skeleton ─────────────────────────────────────────────────────── */
.gti-ef-loading {
  display: none;
}

.gti-ef-loading.active {
  display: block;
}

.gti-ef-skeleton-card {
  background: var(--ef-white);
  border: 1px solid var(--ef-border);
  border-radius: var(--ef-radius-lg);
  overflow: hidden;
}

.gti-ef-skeleton-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
}

.gti-ef-skeleton-body {
  padding: 16px;
}

.gti-ef-skeleton-line {
  height: 14px;
  border-radius: 4px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  margin-bottom: 10px;
}

.gti-ef-skeleton-line:last-child {
  width: 60%;
}

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

/* ── Mobile Filter Toggle ─────────────────────────────────────────────────── */
.gti-ef-mobile-filter-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px;
  border: 1px solid var(--ef-border);
  border-radius: var(--ef-radius);
  background: var(--ef-white);
  color: var(--ef-dark);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--ef-font);
  cursor: pointer;
  margin-bottom: 16px;
  transition: var(--ef-transition);
}

.gti-ef-mobile-filter-toggle:hover {
  border-color: var(--ef-primary);
}

.gti-ef-mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
}

.gti-ef-mobile-overlay.active {
  display: block;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .gti-ef-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (max-width: 768px) {
  .gti-ef-wrapper {
    padding: 20px 16px;
  }

  .gti-ef-mobile-filter-toggle {
    display: flex;
  }

  .gti-ef-sidebar {
    position: fixed;
    top: 0;
    left: -300px;
    bottom: 0;
    z-index: 999;
    border-radius: 0;
    overflow-y: auto;
    transition: left 0.3s ease;
    width: 300px;
    min-width: 300px;
    max-height: 100vh;
  }

  .gti-ef-sidebar.mobile-open {
    left: 0;
  }

  .gti-ef-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .gti-ef-topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .gti-ef-topbar-right {
    width: 100%;
    justify-content: space-between;
  }

  .gti-ef-grid.list-view .gti-ef-card {
    flex-direction: column;
  }

  .gti-ef-grid.list-view .gti-ef-card-image {
    width: 100%;
    min-width: 100%;
    height: 200px;
  }
}

/* Expired price badge (PRD §7.5). The unit stays listed; the stale price is
   what is called out, so a visitor knows to ask for a fresh quotation. */
.gti-ef-price-expired {
    position: absolute;
    left: 10px;
    bottom: 10px;
    background: rgba(26, 31, 54, 0.88);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
    padding: 4px 9px;
    border-radius: 5px;
    z-index: 2;
}