/* =================================================================
   MS FILTER PANEL - Mobile-First Responsive Filter UI
   ================================================================= */

/* ── Base Variables ── */
:root {
  --msf-primary: #2563eb;
  --msf-primary-hover: #1d4ed8;
  --msf-bg: #ffffff;
  --msf-bg-secondary: #f9fafb;
  --msf-border: #e5e7eb;
  --msf-text: #111827;
  --msf-text-secondary: #6b7280;
  --msf-radius: 8px;
  --msf-radius-lg: 12px;
  --msf-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --msf-shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --msf-transition: 200ms ease;
  --msf-header-height: 56px;
}

/* ── Mobile: Filter Toggle Button ── */
.msf-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--msf-bg);
  border: 1px solid var(--msf-border);
  border-radius: var(--msf-radius);
  font-size: 14px;
  font-weight: 500;
  color: var(--msf-text);
  cursor: pointer;
  transition: all var(--msf-transition);
  position: relative;
  min-height: 44px;
  touch-action: manipulation;
}
.msf-toggle-btn:hover {
  border-color: var(--msf-primary);
  color: var(--msf-primary);
}
.msf-toggle-btn svg {
  width: 18px;
  height: 18px;
}
.msf-toggle-btn .msf-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--msf-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
}
.msf-toggle-btn .msf-badge:empty {
  display: none;
}

/* ── Mobile: Backdrop ── */
.msf-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
}
.msf-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* ── Mobile: Bottom Sheet Panel ── */
.msf-panel {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-height: 85vh;
  background: var(--msf-bg);
  border-radius: 16px 16px 0 0;
  box-shadow: var(--msf-shadow-xl);
  transform: translateY(100%);
  transition: transform 300ms cubic-bezier(0.32, 0.72, 0, 1);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.msf-panel.is-open {
  transform: translateY(0);
}

/* ── Panel Header ── */
.msf-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--msf-border);
  flex-shrink: 0;
}
.msf-panel-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}
.msf-panel-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  color: var(--msf-text-secondary);
  transition: color var(--msf-transition);
}
.msf-panel-close:hover {
  color: var(--msf-text);
}
.msf-panel-close svg {
  width: 24px;
  height: 24px;
}

/* ── Panel Body (Scrollable) ── */
.msf-panel-body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0;
}

/* ── Panel Footer (Sticky) ── */
.msf-panel-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--msf-border);
  display: flex;
  gap: 12px;
  flex-shrink: 0;
  background: var(--msf-bg);
}
.msf-btn-apply {
  flex: 1;
  padding: 12px 20px;
  background: var(--msf-primary);
  color: #fff;
  border: none;
  border-radius: var(--msf-radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--msf-transition);
  min-height: 48px;
}
.msf-btn-apply:hover {
  background: var(--msf-primary-hover);
}
.msf-btn-clear {
  padding: 12px 16px;
  background: none;
  border: 1px solid var(--msf-border);
  border-radius: var(--msf-radius);
  font-size: 14px;
  color: var(--msf-text-secondary);
  cursor: pointer;
  transition: all var(--msf-transition);
  min-height: 48px;
  white-space: nowrap;
}
.msf-btn-clear:hover {
  border-color: #dc2626;
  color: #dc2626;
}

/* ── Filter Section (Accordion) ── */
.msf-section {
  border-bottom: 1px solid var(--msf-border);
}
.msf-section:last-child {
  border-bottom: none;
}
.msf-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  color: var(--msf-text);
  min-height: 48px;
  transition: background var(--msf-transition);
}
.msf-section-header:hover {
  background: var(--msf-bg-secondary);
}
.msf-section-header .msf-section-label {
  display: flex;
  align-items: center;
  gap: 8px;
}
.msf-section-header .msf-section-count {
  background: var(--msf-bg-secondary);
  color: var(--msf-text-secondary);
  font-size: 12px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 10px;
  min-width: 24px;
  text-align: center;
}
.msf-section-header .msf-section-count.has-active {
  background: var(--msf-primary);
  color: #fff;
}
.msf-section-chevron {
  width: 20px;
  height: 20px;
  color: var(--msf-text-secondary);
  transition: transform var(--msf-transition);
  flex-shrink: 0;
}
.msf-section.is-open .msf-section-chevron {
  transform: rotate(180deg);
}

/* ── Section Content ── */
.msf-section-content {
  display: none;
  padding: 0 20px 16px;
}
.msf-section.is-open .msf-section-content {
  display: block;
}

/* ── Search within filter ── */
.msf-filter-search {
  margin-bottom: 12px;
}
.msf-filter-search input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--msf-border);
  border-radius: var(--msf-radius);
  font-size: 14px;
  color: var(--msf-text);
  background: var(--msf-bg-secondary);
  outline: none;
  transition: border-color var(--msf-transition);
  box-sizing: border-box;
  min-height: 40px;
}
.msf-filter-search input:focus {
  border-color: var(--msf-primary);
}
.msf-filter-search input::placeholder {
  color: var(--msf-text-secondary);
}

/* ── Checkbox List ── */
.msf-checkbox-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 240px;
  overflow-y: auto;
}
.msf-checkbox-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  cursor: pointer;
  min-height: 40px;
}
.msf-checkbox-item:hover {
  opacity: 0.8;
}
.msf-checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid var(--msf-border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--msf-transition);
  background: var(--msf-bg);
}
.msf-checkbox-item.is-active .msf-checkbox {
  background: var(--msf-primary);
  border-color: var(--msf-primary);
}
.msf-checkbox svg {
  width: 14px;
  height: 14px;
  color: #fff;
  opacity: 0;
  transition: opacity var(--msf-transition);
}
.msf-checkbox-item.is-active .msf-checkbox svg {
  opacity: 1;
}
.msf-checkbox-label {
  flex: 1;
  font-size: 14px;
  color: var(--msf-text);
}
.msf-checkbox-count {
  font-size: 13px;
  color: var(--msf-text-secondary);
  flex-shrink: 0;
}

/* ── Category Hierarchy (expandable children) ── */
.msf-checkbox-item.has-children {
  flex-wrap: wrap;
}
.msf-expand-children {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  min-height: 28px;
  color: var(--msf-text-secondary);
  transition: all var(--msf-transition);
  flex-shrink: 0;
}
.msf-expand-children svg {
  width: 16px;
  height: 16px;
  transition: transform var(--msf-transition);
}
.msf-expand-children.is-open svg {
  transform: rotate(180deg);
}
.msf-expand-children:hover {
  color: var(--msf-primary);
}
.msf-children-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 30px;
  width: 100%;
  display: none;
}
.msf-children-list.is-open {
  display: block;
}
.msf-children-list .msf-checkbox-item {
  padding: 6px 0;
  min-height: 36px;
}
.msf-children-list .msf-checkbox-label {
  font-size: 13px;
}
.msf-show-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 0;
  background: none;
  border: none;
  color: var(--msf-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  margin-top: 4px;
}
.msf-show-more:hover {
  text-decoration: underline;
}

/* ── Price Range Slider ── */
.msf-price-range {
  padding: 8px 0;
}
.msf-price-inputs {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}
.msf-price-input {
  flex: 1;
  position: relative;
}
.msf-price-input label {
  display: block;
  font-size: 12px;
  color: var(--msf-text-secondary);
  margin-bottom: 4px;
}
.msf-price-input input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--msf-border);
  border-radius: var(--msf-radius);
  font-size: 14px;
  box-sizing: border-box;
  min-height: 40px;
}
.msf-price-separator {
  margin-top: 18px;
  color: var(--msf-text-secondary);
}
.msf-range-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--msf-border);
  border-radius: 2px;
  outline: none;
}
.msf-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--msf-primary);
  border-radius: 50%;
  cursor: pointer;
}
.msf-range-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--msf-primary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

/* ── Active Filter Chips ── */
.msf-chips-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 0;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.msf-chips-bar::-webkit-scrollbar {
  display: none;
}
.msf-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--msf-bg-secondary);
  border: 1px solid var(--msf-border);
  border-radius: 9999px;
  font-size: 13px;
  color: var(--msf-text);
  white-space: nowrap;
  flex-shrink: 0;
  min-height: 36px;
}
.msf-chip-label {
  font-weight: 500;
}
.msf-chip-value {
  color: var(--msf-text-secondary);
}
.msf-chip-remove {
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--msf-text-secondary);
  transition: color var(--msf-transition);
  min-width: 20px;
  min-height: 20px;
}
.msf-chip-remove:hover {
  color: #dc2626;
}
.msf-chip-remove svg {
  width: 14px;
  height: 14px;
}
.msf-chips-clear {
  background: none;
  border: none;
  color: var(--msf-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  padding: 6px 8px;
  flex-shrink: 0;
}

/* ── Sort Dropdown ── */
.msf-sort-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}
.msf-sort-wrapper label {
  font-size: 14px;
  color: var(--msf-text-secondary);
  white-space: nowrap;
}
.msf-sort-select {
  padding: 8px 12px;
  border: 1px solid var(--msf-border);
  border-radius: var(--msf-radius);
  font-size: 14px;
  color: var(--msf-text);
  background: var(--msf-bg);
  cursor: pointer;
}

/* ── Pagination ── */
.msf-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-wrap: wrap;
  padding: 16px 0;
}
.msf-pagination .page-numbers,
.msf-pagination .msf-page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--msf-border);
  border-radius: var(--msf-radius);
  font-size: 14px;
  color: var(--msf-text);
  background: var(--msf-bg);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--msf-transition);
}
.msf-pagination .page-numbers:hover,
.msf-pagination .msf-page-link:hover {
  border-color: var(--msf-primary);
  color: var(--msf-primary);
}
.msf-pagination .page-numbers.current,
.msf-pagination .msf-page-link.current {
  background: var(--msf-primary);
  border-color: var(--msf-primary);
  color: #fff;
}
/* Prev/Next arrows — make clearly visible */
.msf-pagination .page-numbers.prev,
.msf-pagination .page-numbers.next,
.msf-pagination .msf-page-link.prev,
.msf-pagination .msf-page-link.next {
  background: var(--msf-primary);
  color: #fff;
  border-color: var(--msf-primary);
  font-size: 18px;
  font-weight: 700;
  min-width: 40px;
}
.msf-pagination .page-numbers.prev:hover,
.msf-pagination .page-numbers.next:hover,
.msf-pagination .msf-page-link.prev:hover,
.msf-pagination .msf-page-link.next:hover {
  background: var(--msf-primary-dark, #015ea0);
  color: #fff;
}
.msf-pagination .page-numbers.disabled,
.msf-pagination .msf-page-link.disabled {
  opacity: 0.4;
  pointer-events: none;
}
.msf-pagination .dots {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  font-size: 14px;
  color: var(--msf-text-secondary);
}

/* ── Loading Spinner ── */
.msf-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.msf-spinner::after {
  content: '';
  width: 32px;
  height: 32px;
  border: 3px solid var(--msf-border);
  border-top-color: var(--msf-primary);
  border-radius: 50%;
  animation: msf-spin 0.6s linear infinite;
}
@keyframes msf-spin {
  to { transform: rotate(360deg); }
}

/* =================================================================
   TABLET (>= 768px)
   ================================================================= */
@media (min-width: 768px) {
  .msf-toggle-btn {
    display: none;
  }

  .msf-backdrop {
    display: none;
  }

  .msf-panel {
    position: static;
    max-height: none;
    border-radius: 0;
    transform: none;
    box-shadow: none;
    background: transparent;
    flex-direction: column;
    overflow: visible;
    border-right: 1px solid var(--msf-border);
    width: 280px;
    flex-shrink: 0;
  }

  .msf-panel-header {
    display: none;
  }

  .msf-panel-footer {
    display: none;
  }

  .msf-panel-body {
    overflow: visible;
    padding: 0;
  }

  .msf-layout {
    display: flex;
    gap: 24px;
    align-items: flex-start;
  }

  .msf-main {
    flex: 1;
    min-width: 468px;
  }

  .msf-sidebar {
    position: sticky;
    top: 20px;
    width: 280px;
    flex-shrink: 0;
  }
}

/* =================================================================
   DESKTOP (>= 1024px)
   ================================================================= */
@media (min-width: 1024px) {
  .msf-panel {
    width: 300px;
  }

  .msf-sidebar {
    width: 300px;
  }
}

/* =================================================================
   MOBILE-SPECIFIC: Product Grid
   ================================================================= */
.msf-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  max-height: 70vh;
  overflow-y: auto;
  scroll-behavior: smooth;
  padding-right: 4px;
}
.msf-product-grid::-webkit-scrollbar {
  width: 6px;
}
.msf-product-grid::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 3px;
}
.msf-product-grid::-webkit-scrollbar-thumb {
  background: var(--msf-primary, #027abb);
  border-radius: 3px;
}
@media (min-width: 768px) {
  .msf-product-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    max-height: 75vh;
  }
}
@media (min-width: 1024px) {
  .msf-product-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    max-height: 80vh;
  }
}

/* ── Product Card Overrides (inside filter panel grid) ── */
.msf-product-grid .custom-product-card {
  width: auto;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 280px;
  max-height: 360px;
}
.msf-product-grid .custom-product-card .product-thumnail-sec {
  width: 100%;
  height: 160px;
  position: relative;
  overflow: hidden;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f9fafb;
}
.msf-product-grid .custom-product-card .product-thumnail-sec img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.msf-product-grid .custom-product-card .product-thumnail-sec:before {
  display: none;
}
.msf-product-grid .custom-product-card .product-thumnail-sec:empty {
  background: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
}
.msf-product-grid .custom-product-card .product-thumnail-sec:empty::after {
  content: 'No image';
  color: #9ca3af;
  font-size: 13px;
}
.msf-product-grid .custom-product-card h3 {
  font-size: 14px;
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}
.msf-product-grid .custom-product-card .price {
  margin-bottom: 12px;
}
.msf-product-grid .custom-product-card .price strong {
  font-size: 16px;
}
.msf-product-grid .custom-product-card .shop-now-button {
  margin-top: auto;
}

/* ── Card Actions (Add to Cart + Buy Now) ── */
.msf-card-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
  align-items: center;
}
.msf-add-to-cart-btn,
.ms-add-to-cart-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid #e5e7eb;
  border-radius: var(--msf-radius);
  background: #fff;
  color: #374151;
  cursor: pointer;
  transition: all var(--msf-transition);
  flex-shrink: 0;
  padding: 0;
}
.msf-add-to-cart-btn:hover,
.ms-add-to-cart-icon:hover {
  border-color: var(--msf-primary);
  color: var(--msf-primary);
  background: #f0f7ff;
}
.msf-add-to-cart-btn.loading,
.ms-add-to-cart-icon.loading {
  opacity: 0.5;
  pointer-events: none;
}
.msf-add-to-cart-btn.added,
.ms-add-to-cart-icon.added {
  border-color: #16a34a;
  color: #16a34a;
  background: #f0fdf4;
}
.msf-card-actions .shop-now-button,
.msf-card-actions .ms-buy-now-link {
  flex: 1;
  margin-top: 0;
}

/* ── Utility ── */
.msf-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* =================================================================
   DYNAMIC SIDEBAR / BANNER LAYOUT
   Works with Elementor sidebars, ad widgets, and banner blocks
   ================================================================= */
.msf-layout {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.msf-layout .msf-sidebar {
  flex-shrink: 0;
}
.msf-layout .msf-main {
  flex: 1;
  min-width: 0;
}

/* When page has a WordPress/Elementor sidebar */
.has-sidebar .msf-layout {
  flex-direction: row;
}
.has-sidebar .msf-layout .msf-main {
  flex: 1;
}

/* Banner above listing */
.msf-banner-above {
  width: 100%;
  margin-bottom: 20px;
}
.msf-banner-above img,
.msf-banner-above .elementor-widget-wrap {
  width: 100%;
}

/* Banner beside listing (in sidebar) */
.msf-banner-beside {
  width: 100%;
  margin-bottom: 20px;
}
.msf-banner-beside img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

/* Responsive: stack on mobile */
@media (max-width: 767px) {
  .msf-layout {
    flex-direction: column;
  }
  .msf-layout .msf-sidebar {
    width: 100% !important;
    position: static !important;
  }
}