/* 
 * Ultimate Product Filters - General Frontend Style 
 * Prefix-scoped rules ensuring zero leakage into standard theme scopes.
 */

:root {
  --upf-accent: #2271b1;
  --upf-accent-hover: #135e96;
  --upf-accent-text: #ffffff;
  --upf-text: #2c3338;
  --upf-text-muted: #72777c;
  --upf-text-disabled: #a7aaad;
  --upf-bg: #ffffff;
  --upf-bg-hover: #f6f7f7;
  --upf-border: #dcdcde;
  --upf-border-radius: 4px;
  --upf-spacing-xs: 4px;
  --upf-spacing-sm: 8px;
  --upf-spacing-md: 16px;
  --upf-spacing-lg: 24px;
  --upf-chip-bg: #f0f0f1;
  --upf-chip-text: #2c3338;
  --upf-slider-track: #dcdcde;
  --upf-slider-handle: #2271b1;
  --upf-slider-height: 4px;
  --upf-swatch-size: 28px;
  --upf-swatch-border-width: 2px;
  --upf-transition: 0.2s ease;
}

/* Base Wrapper & Structural Layout Grid */
.upf-pro-wrapper {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: var(--upf-spacing-lg, 24px);
  width: 100%;
  margin: var(--upf-spacing-md) 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  color: var(--upf-text);
  align-items: flex-start;
}

.upf-pro-wrapper * {
  box-sizing: border-box;
}

/* Horizontal top layout */
.upf-pro-wrapper.upf-pro-layout-horizontal {
  flex-direction: column;
  flex-wrap: wrap;
}

.upf-pro-wrapper.upf-pro-layout-horizontal .upf-pro-sidebar-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--upf-spacing-md);
}

.upf-pro-wrapper.upf-pro-layout-horizontal .upf-pro-filter-group {
  flex: 1 1 200px;
  margin-bottom: 0;
  border-bottom: none;
  background: var(--upf-bg-hover);
  padding: var(--upf-spacing-sm) var(--upf-spacing-md);
  border-radius: var(--upf-border-radius);
}

/* Sidebars layout configuration */
.upf-pro-sidebar {
  flex: 0 0 25%;
  min-width: 250px;
  background: var(--upf-bg);
  border: 1px solid var(--upf-border);
  border-radius: var(--upf-border-radius);
  padding: var(--upf-spacing-md);
  height: max-content;
}

.upf-pro-content {
  flex: 1;
  width: 100%;
}

/* Ensure WooCommerce standard product grid displays properly inside content */
.upf-pro-products-grid.products,
.upf-pro-content ul.products {
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: wrap !important;
  gap: 30px !important;
  width: 100% !important;
  margin: 0 0 40px 0 !important;
  padding: 0 !important;
  list-style: none !important;
}

.upf-pro-products-grid.products::before,
.upf-pro-products-grid.products::after,
.upf-pro-content ul.products::before,
.upf-pro-content ul.products::after {
  content: none !important;
  display: none !important;
}

/* Elegant product card structure styling */
.upf-pro-products-grid.products li.product,
.upf-pro-content ul.products li.product {
  flex: 0 0 calc(33.333% - 20px) !important;
  width: calc(33.333% - 20px) !important;
  max-width: calc(33.333% - 20px) !important;
  margin: 0 !important;
  float: none !important;
  background: #ffffff !important;
  border: 1px solid #eaeaea !important;
  border-radius: 12px !important;
  padding: 20px !important;
  transition: transform 0.25s ease, box-shadow 0.25s ease !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: stretch !important;
  position: relative !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03) !important;
  text-align: center !important;
}

.upf-pro-products-grid.products li.product:hover,
.upf-pro-content ul.products li.product:hover {
  transform: translateY(-6px) !important;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1) !important;
  border-color: var(--upf-accent) !important;
}

.upf-pro-products-grid.products li.product img,
.upf-pro-content ul.products li.product img {
  width: 100% !important;
  height: 200px !important;
  object-fit: contain !important;
  border-radius: 8px !important;
  margin-bottom: 16px !important;
  background-color: #fdfdfd !important;
}

.upf-pro-products-grid.products li.product .woocommerce-loop-product__title,
.upf-pro-content ul.products li.product .woocommerce-loop-product__title {
  font-size: 1.1rem !important;
  font-weight: 600 !important;
  color: #333333 !important;
  margin: 0 0 10px 0 !important;
  line-height: 1.4 !important;
  height: 48px !important;
  overflow: hidden !important;
  display: -webkit-box !important;
  -webkit-line-clamp: 2 !important;
  -webkit-box-orient: vertical !important;
}

.upf-pro-products-grid.products li.product .price,
.upf-pro-content ul.products li.product .price {
  font-size: 1.2rem !important;
  font-weight: 700 !important;
  color: var(--upf-accent) !important;
  margin: auto 0 16px 0 !important;
  display: block !important;
}

.upf-pro-products-grid.products li.product .button,
.upf-pro-content ul.products li.product .button {
  background-color: var(--upf-accent) !important;
  color: #ffffff !important;
  border-radius: 6px !important;
  padding: 12px 20px !important;
  font-weight: 600 !important;
  font-size: 0.95rem !important;
  text-align: center !important;
  width: 100% !important;
  border: none !important;
  transition: background-color 0.2s ease !important;
  display: block !important;
  margin-top: auto !important;
}

.upf-pro-products-grid.products li.product .button:hover,
.upf-pro-content ul.products li.product .button:hover {
  background-color: var(--upf-accent-hover) !important;
}

/* Elegant WooCommerce Pagination and Load More customization */
.upf-pro-pagination-wrap,
.upf-pro-load-more-wrap {
  display: flex !important;
  justify-content: center !important;
  margin-top: 40px !important;
  width: 100% !important;
}

.upf-pro-load-more-btn {
  background-color: var(--upf-accent) !important;
  color: #ffffff !important;
  border-radius: 6px !important;
  padding: 14px 32px !important;
  font-weight: 700 !important;
  font-size: 1rem !important;
  text-align: center !important;
  border: none !important;
  cursor: pointer !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05) !important;
  transition: background-color 0.2s ease, transform 0.2s ease !important;
}

.upf-pro-load-more-btn:hover {
  background-color: var(--upf-accent-hover) !important;
  transform: translateY(-2px) !important;
}

.upf-pro-load-more-btn:active {
  transform: translateY(0) !important;
}

.upf-pro-grid-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--upf-spacing-md);
  width: 100%;
}

/* Accordion filter group components style */
.upf-pro-filter-group {
  margin-bottom: var(--upf-spacing-md);
  border-bottom: 1px solid var(--upf-border);
  padding-bottom: var(--upf-spacing-md);
}

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

.upf-pro-group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  padding: var(--upf-spacing-sm) 0;
  user-select: none;
  transition: color var(--upf-transition);
}

.upf-pro-group-header:hover {
  color: var(--upf-accent);
}

.upf-pro-group-header-title {
  font-weight: 600;
  font-size: 1.05em;
}

.upf-pro-group-arrow {
  font-size: 0.8em;
  transition: transform var(--upf-transition);
}

.upf-pro-group-body {
  padding-top: var(--upf-spacing-sm);
  transition: max-height var(--upf-transition);
}

/* Checkboxes hierarchical tree layout structures */
.upf-pro-checkbox-list,
.upf-pro-child-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.upf-pro-child-list {
  padding-left: var(--upf-spacing-md);
  margin-top: var(--upf-spacing-xs);
}

.upf-pro-checkbox-item {
  margin-bottom: var(--upf-spacing-sm);
}

.upf-pro-checkbox-row {
  display: flex;
  align-items: center;
  gap: var(--upf-spacing-sm);
  width: 100%;
}

.upf-pro-checkbox-input {
  width: 16px;
  height: 16px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--upf-accent);
}

.upf-pro-checkbox-label {
  flex: 1;
  cursor: pointer;
  font-size: 0.95em;
  line-height: 1.4;
  display: inline-flex;
  align-items: center;
  gap: var(--upf-spacing-xs);
}

.upf-pro-count {
  color: var(--upf-text-muted);
  font-size: 0.85em;
}

.upf-pro-checkbox-item.disabled {
  opacity: 0.5;
}

.upf-pro-checkbox-item.disabled label {
  color: var(--upf-text-disabled);
  cursor: not-allowed;
}

.upf-pro-toggle-accordion {
  background: none;
  border: 1px solid var(--upf-border);
  color: var(--upf-text-muted);
  font-size: 0.9em;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
  transition: all var(--upf-transition);
}

.upf-pro-toggle-accordion:hover {
  background: var(--upf-accent);
  color: var(--upf-accent-text);
  border-color: var(--upf-accent);
}

/* Color & Size Swatches */
.upf-pro-swatch-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--upf-spacing-sm);
}

.upf-pro-swatch {
  border-radius: var(--upf-border-radius);
  cursor: pointer;
  transition: all var(--upf-transition);
  position: relative;
  border: 1px solid var(--upf-border);
  outline: none;
}

.upf-pro-swatch:focus-visible {
  box-shadow: 0 0 0 2px var(--upf-accent);
}

.upf-pro-swatch--color {
  width: var(--upf-swatch-size, 28px);
  height: var(--upf-swatch-size, 28px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.upf-pro-swatch-checked {
  color: #fff;
  font-size: 10px;
  font-weight: bold;
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

.upf-pro-swatch--size {
  min-width: 36px;
  height: 32px;
  padding: 0 var(--upf-spacing-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85em;
  font-weight: 500;
  background: var(--upf-bg);
}

.upf-pro-swatch--size:hover {
  border-color: var(--upf-accent);
  background: var(--upf-bg-hover);
}

.upf-pro-swatch.selected {
  border-color: var(--upf-accent);
  box-shadow: 0 0 0 2px var(--upf-accent);
}

.upf-pro-swatch.disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

/* Price range numeric inputs and slider rules */
.upf-pro-price-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--upf-spacing-md);
}

.upf-pro-price-inputs {
  display: flex;
  align-items: center;
  gap: var(--upf-spacing-sm);
}

.upf-pro-price-input {
  width: 80px;
  text-align: center;
  border: 1px solid var(--upf-border);
  border-radius: var(--upf-border-radius);
  padding: 6px 8px;
  font-size: 0.9em;
  color: var(--upf-text);
  background: var(--upf-bg);
}

.upf-pro-separator {
  color: var(--upf-text-muted);
}

.upf-pro-slider {
  margin: var(--upf-spacing-md) var(--upf-spacing-sm) var(--upf-spacing-sm) var(--upf-spacing-sm);
}

/* noUiSlider Overrides & Customize styles */
.noUi-target {
  background: var(--upf-slider-track) !important;
  height: var(--upf-slider-height, 4px) !important;
  border: none !important;
  box-shadow: none !important;
}

.noUi-connect {
  background: var(--upf-accent) !important;
}

.noUi-handle {
  width: 16px !important;
  height: 16px !important;
  border-radius: 50% !important;
  background: var(--upf-bg) !important;
  border: 2px solid var(--upf-accent) !important;
  box-shadow: 0 1px 4px rgba(0,0,0,0.15) !important;
  cursor: pointer !important;
  top: -6px !important;
  right: -8px !important;
}

.noUi-handle::before,
.noUi-handle::after {
  display: none !important;
}

/* Toggle Switch layout pattern used for Stock & Sale status */
.upf-pro-toggle-row {
  padding: var(--upf-spacing-xs) 0;
}

.upf-pro-toggle-wrap {
  display: flex;
  align-items: center;
  gap: var(--upf-spacing-md);
  cursor: pointer;
  user-select: none;
}

.upf-pro-toggle-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.upf-pro-toggle-slider {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
  background-color: var(--upf-border);
  border-radius: 12px;
  transition: background-color var(--upf-transition);
}

.upf-pro-toggle-slider::after {
  content: "";
  position: absolute;
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  border-radius: 50%;
  transition: transform var(--upf-transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.upf-pro-toggle-input:checked + .upf-pro-toggle-slider {
  background-color: var(--upf-accent);
}

.upf-pro-toggle-input:checked + .upf-pro-toggle-slider::after {
  transform: translateX(18px);
}

.upf-pro-toggle-label {
  font-size: 0.95em;
  font-weight: 500;
}

/* Star Ratings List */
.upf-pro-rating-group {
  display: flex;
  flex-direction: column;
  gap: var(--upf-spacing-xs);
  border: none;
  padding: 0;
  margin: 0;
}

.upf-pro-rating-option {
  display: flex;
  align-items: center;
  gap: var(--upf-spacing-sm);
  cursor: pointer;
  padding: var(--upf-spacing-xs) var(--upf-spacing-sm);
  border-radius: var(--upf-border-radius);
  transition: background var(--upf-transition);
}

.upf-pro-rating-option:hover {
  background: var(--upf-bg-hover);
}

.upf-pro-rating-radio {
  margin: 0;
  cursor: pointer;
  accent-color: var(--upf-accent);
}

.upf-pro-stars {
  color: #ffb606;
  letter-spacing: 2px;
  font-size: 1.1em;
}

.upf-pro-rating-label {
  font-size: 0.9em;
  color: var(--upf-text-muted);
}

.upf-pro-rating-option.active .upf-pro-rating-label {
  color: var(--upf-accent);
  font-weight: 600;
}

/* Text Search Box */
.upf-pro-search-wrap {
  position: relative;
  width: 100%;
}

.upf-pro-search-input {
  width: 100%;
  padding: 8px 36px 8px 12px;
  border: 1px solid var(--upf-border);
  border-radius: var(--upf-border-radius);
  background: var(--upf-bg);
  color: var(--upf-text);
  font-size: 0.95em;
  outline: none;
  transition: border var(--upf-transition);
}

.upf-pro-search-input:focus {
  border-color: var(--upf-accent);
}

.upf-pro-search-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--upf-text-muted);
  pointer-events: none;
}

/* Selected Filter Chips Bar CSS */
.upf-pro-chips-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--upf-spacing-sm);
  margin-bottom: var(--upf-spacing-md);
  width: 100%;
  border-bottom: 1px solid var(--upf-border);
  padding-bottom: var(--upf-spacing-sm);
}

.upf-pro-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--upf-spacing-xs);
  background: var(--upf-chip-bg);
  color: var(--upf-chip-text);
  border-radius: 20px;
  padding: 4px 10px;
  font-size: 0.85em;
  font-weight: 500;
}

.upf-pro-chip-remove {
  cursor: pointer;
  background: none;
  border: none;
  color: var(--upf-text-muted);
  padding: 0;
  line-height: 1;
  font-size: 1.2em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color var(--upf-transition);
}

.upf-pro-chip-remove:hover {
  color: var(--upf-accent);
}

.upf-pro-clear-all {
  background: none;
  border: 1px solid var(--upf-border);
  border-radius: 20px;
  padding: 4px 12px;
  cursor: pointer;
  font-size: 0.82em;
  color: var(--upf-text-muted);
  font-weight: 600;
  transition: all var(--upf-transition);
}

.upf-pro-clear-all:hover {
  background: var(--upf-accent);
  color: var(--upf-accent-text);
  border-color: var(--upf-accent);
}

/* Dynamic Ajax Loading Spinner Overlays */
.upf-pro-loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  border-radius: var(--upf-border-radius);
  transition: opacity var(--upf-transition);
}

.upf-pro-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--upf-border);
  border-top-color: var(--upf-accent);
  border-radius: 50%;
  animation: upf-spin 0.7s linear infinite;
}

@keyframes upf-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Empty Search Results Notice Styling */
.upf-pro-no-results {
  text-align: center;
  padding: var(--upf-spacing-lg) 0;
  color: var(--upf-text-muted);
  width: 100%;
}

.upf-pro-no-results p {
  font-size: 1.1em;
  margin-bottom: var(--upf-spacing-md);
}

/* Screenreader text utility mapping */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Hidden drawer elements inside desktop viewports */
.upf-pro-mobile-toggle,
.upf-pro-drawer-close {
  display: none !important;
}