/*
Theme Name: ShopFlex Pro
Theme URI: https://example.com/shopflex-pro
Author: ShopFlex Engineering Team
Author URI: https://example.com
Description: Production-ready WooCommerce and WordPress theme featuring high-performance AJAX filters, faceted category/brand counts, live search, color swatches, dynamic customizer, quick view, and persistent wishlist.
Version: 2.2.0
Requires at least: 6.2
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: shopflex-pro
Tags: e-commerce, custom-colors, custom-menu, featured-images, flexible-header, full-width-template, grid-layout, left-sidebar, right-sidebar, theme-options, translation-ready
WC requires at least: 8.0
WC tested up to: 9.3
*/

/* ==========================================================================
   TABLE OF CONTENTS
   --------------------------------------------------------------------------
   1. CSS Variables & Reset
   2. Base Typography & Accessibility
   3. Header & Navigation (Desktop & Mobile Drawer)
   4. Shop Layout & Dynamic Grid/List
   5. Filter Sidebar & Faceted Widgets
   6. Product Cards & Actions (Quick View, Wishlist)
   7. Quick View Modal & Lightbox
   8. WooCommerce Template Overrides (Single, Cart, Checkout)
   9. Standard WordPress Core Alignments & Accessibility
   ========================================================================== */

/* 1. CSS Variables & Reset */
:root {
  --sf-primary: #0f172a;
  --sf-accent: #4f46e5;
  --sf-secondary: #7c3aed;
  --sf-bg: #ffffff;
  --sf-card-bg: #ffffff;
  --sf-border: #e2e8f0;
  --sf-muted: #64748b;
  --sf-header-bg: #ffffff;
  --sf-footer-bg: #f8fafc;
  --sf-price: #0f172a;
  --sf-sale: #ef4444;
  --sf-container: 1360px;
  --sf-radius: 12px;
  --sf-body-size: 15px;
  --sf-transition: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --sf-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --sf-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --sf-shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.08), 0 4px 8px -2px rgba(0, 0, 0, 0.03);
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: var(--sf-body-size);
  color: var(--sf-primary);
  background-color: var(--sf-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--sf-transition);
}

a:hover {
  color: var(--sf-accent);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 2. Base Typography & Accessibility */
.container {
  max-width: var(--sf-container);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute !important;
  width: 1px;
  word-wrap: normal !important;
}

.screen-reader-text:focus {
  background-color: #ffffff;
  border-radius: 4px;
  box-shadow: 0 0 4px 4px rgba(0, 0, 0, 0.3);
  clip: auto !important;
  clip-path: none;
  color: #0f172a;
  display: block;
  font-size: 14px;
  font-weight: 700;
  height: auto;
  left: 10px;
  line-height: normal;
  padding: 12px 20px;
  text-decoration: none;
  top: 10px;
  width: auto;
  z-index: 100000;
}

/* 3. Header & Navigation */
.site-header {
  border-bottom: 1px solid var(--sf-border);
  background: var(--sf-header-bg);
  z-index: 100;
  transition: box-shadow var(--sf-transition);
}

.site-header.is-sticky {
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--sf-shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.site-logo {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--sf-primary);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.site-logo .dot {
  color: var(--sf-accent);
}

.site-logo img {
  max-height: 44px;
  width: auto;
}

.header-center {
  flex: 1;
  display: flex;
  justify-content: center;
}

.primary-navigation ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 32px;
}

.primary-navigation li {
  position: relative;
}

.primary-navigation a {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: 14px;
  color: var(--sf-primary);
  padding: 10px 0;
  position: relative;
}

.primary-navigation a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--sf-accent);
  transition: width var(--sf-transition);
}

.primary-navigation a:hover::after,
.primary-navigation .current-menu-item > a::after {
  width: 100%;
}

.primary-navigation .sub-menu {
  position: absolute;
  top: 100%;
  left: -12px;
  min-width: 220px;
  background: #ffffff;
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius);
  padding: 8px;
  box-shadow: var(--sf-shadow-lg);
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 100;
}

.primary-navigation li:hover > .sub-menu {
  display: flex;
}

.primary-navigation .sub-menu a {
  padding: 8px 12px;
  border-radius: calc(var(--sf-radius) - 4px);
  font-weight: 500;
  font-size: 13.5px;
}

.primary-navigation .sub-menu a::after {
  display: none;
}

.primary-navigation .sub-menu a:hover {
  background: #f1f5f9;
  color: var(--sf-accent);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* AJAX Search */
.header-search-wrap {
  position: relative;
  width: 260px;
}

@media (max-width: 900px) {
  .header-search-wrap {
    display: none;
  }
}

.header-search-wrap input {
  width: 100%;
  padding: 9px 14px 9px 38px;
  border: 1px solid var(--sf-border);
  border-radius: 999px;
  font-size: 13.5px;
  background: #f8fafc;
  color: var(--sf-primary);
  outline: none;
  transition: border-color var(--sf-transition), background var(--sf-transition);
}

.header-search-wrap input:focus {
  border-color: var(--sf-accent);
  background: #ffffff;
}

.header-search-wrap .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--sf-muted);
  pointer-events: none;
}

.search-results-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: #ffffff;
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow-lg);
  max-height: 380px;
  overflow-y: auto;
  display: none;
  z-index: 110;
}

/* Header Action Buttons */
.header-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: #f8fafc;
  border: 1px solid var(--sf-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: background var(--sf-transition), border-color var(--sf-transition);
}

.header-icon-btn:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

.header-icon-btn .badge-counter {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--sf-accent);
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 999px;
  line-height: 1;
}

.header-cart-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--sf-primary);
  color: #ffffff;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: opacity var(--sf-transition);
}

.header-cart-btn:hover {
  opacity: 0.9;
  color: #ffffff;
}

.mobile-menu-toggle {
  display: none;
  background: #f8fafc;
  border: 1px solid var(--sf-border);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
}

@media (max-width: 1024px) {
  .primary-navigation {
    display: none;
  }
  .mobile-menu-toggle {
    display: inline-flex;
  }
}

/* 4. Shop Layout & Dynamic Grid */
.shop-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--sf-border);
  margin-bottom: 24px;
}

.shop-toolbar .results-count {
  font-size: 14px;
  color: var(--sf-muted);
}

.shop-toolbar-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.shop-orderby-select {
  padding: 8px 16px;
  border: 1px solid var(--sf-border);
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  background: #ffffff;
  color: var(--sf-primary);
  outline: none;
  cursor: pointer;
}

.view-mode-toggle {
  display: inline-flex;
  border: 1px solid var(--sf-border);
  border-radius: 8px;
  overflow: hidden;
}

.view-mode-btn {
  padding: 7px 10px;
  background: #ffffff;
  border: none;
  cursor: pointer;
  color: var(--sf-muted);
  display: inline-flex;
  align-items: center;
}

.view-mode-btn.active {
  background: #f1f5f9;
  color: var(--sf-primary);
}

.shop-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 36px;
  padding-bottom: 48px;
}

.shop-layout.sidebar-right {
  grid-template-columns: 1fr 300px;
}

.shop-layout.sidebar-right .filter-sidebar {
  order: 2;
}

.shop-layout.no-sidebar {
  grid-template-columns: 1fr;
}

.shop-layout.no-sidebar .filter-sidebar {
  display: none;
}

@media (max-width: 980px) {
  .shop-layout,
  .shop-layout.sidebar-right {
    grid-template-columns: 1fr;
  }
}

/* 5. Filter Sidebar */
.filter-sidebar {
  position: sticky;
  top: 96px;
  align-self: start;
  background: #ffffff;
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius);
  padding: 24px;
}

.filter-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--sf-border);
}

.filter-sidebar-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.filter-clear-all-btn {
  background: none;
  border: none;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--sf-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}

.filter-clear-all-btn:hover {
  color: var(--sf-sale);
  background: #fef2f2;
}

.active-filters-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.active-filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background: #eef2ff;
  color: var(--sf-accent);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid #e0e7ff;
}

.active-filter-chip button {
  background: none;
  border: none;
  color: var(--sf-accent);
  cursor: pointer;
  padding: 0;
  font-size: 14px;
  line-height: 1;
}

.filter-widget {
  padding: 16px 0;
  border-bottom: 1px solid var(--sf-border);
}

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

.filter-widget-title {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sf-muted);
}

.filter-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 240px;
  overflow-y: auto;
}

.filter-checkbox-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13.5px;
  cursor: pointer;
  user-select: none;
  padding: 2px 0;
}

.filter-checkbox-item input[type="checkbox"] {
  margin-right: 8px;
  accent-color: var(--sf-accent);
  cursor: pointer;
}

.filter-count-badge {
  font-size: 11.5px;
  color: var(--sf-muted);
  background: #f1f5f9;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 600;
}

/* Color Swatches */
.filter-color-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.color-swatch-item {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 1px var(--sf-border);
  cursor: pointer;
  position: relative;
  transition: transform var(--sf-transition), box-shadow var(--sf-transition);
}

.color-swatch-item:hover {
  transform: scale(1.12);
}

.color-swatch-item.is-selected {
  box-shadow: 0 0 0 2px var(--sf-primary);
}

/* Price Slider */
.price-slider-inputs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
}

.price-slider-inputs input {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--sf-border);
  border-radius: 8px;
  font-size: 13px;
  outline: none;
}

/* 6. Product Grid & Cards */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

.products-grid.columns-3 {
  grid-template-columns: repeat(3, 1fr);
}

.products-grid.columns-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1200px) {
  .products-grid.columns-4 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .products-grid,
  .products-grid.columns-3,
  .products-grid.columns-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .products-grid,
  .products-grid.columns-2,
  .products-grid.columns-3,
  .products-grid.columns-4 {
    grid-template-columns: 1fr;
  }
}

/* List View Variant */
.products-grid.is-list-view {
  grid-template-columns: 1fr !important;
}

.products-grid.is-list-view .product-card {
  display: flex;
  flex-direction: row;
}

.products-grid.is-list-view .product-card-thumbnail {
  width: 260px;
  flex-shrink: 0;
}

.products-grid.is-list-view .product-card-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
}

/* Card Styling */
.product-card {
  background: var(--sf-card-bg);
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform var(--sf-transition), box-shadow var(--sf-transition), border-color var(--sf-transition);
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sf-shadow-lg);
  border-color: #cbd5e1;
}

.product-card-thumbnail {
  position: relative;
  background: #f8fafc;
  aspect-ratio: 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-card-thumbnail img {
  transform: scale(1.04);
}

.product-badges {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 2;
}

.sale-badge {
  background: var(--sf-sale);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 4px;
}

.product-card-actions {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 2;
  opacity: 0;
  transform: translateX(6px);
  transition: opacity var(--sf-transition), transform var(--sf-transition);
}

.product-card:hover .product-card-actions,
.product-card:focus-within .product-card-actions {
  opacity: 1;
  transform: translateX(0);
}

.card-action-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid var(--sf-border);
  color: var(--sf-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--sf-shadow-sm);
  transition: background var(--sf-transition), color var(--sf-transition);
}

.card-action-btn:hover {
  background: var(--sf-primary);
  color: #ffffff;
}

.card-action-btn.is-active {
  background: #ef4444;
  border-color: #ef4444;
  color: #ffffff;
}

.product-card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-category-meta {
  font-size: 12px;
  color: var(--sf-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-bottom: 4px;
}

.product-card-title {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
}

.product-card-title a {
  color: var(--sf-primary);
}

.product-card-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: #f59e0b;
  margin-bottom: 12px;
}

.product-card-rating .count {
  color: var(--sf-muted);
  font-size: 11px;
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 12px;
}

.product-card-price {
  font-size: 16px;
  font-weight: 700;
  color: var(--sf-price);
}

.product-card-price del {
  color: var(--sf-muted);
  font-size: 13.5px;
  font-weight: 400;
  margin-right: 6px;
}

.product-add-cart-btn {
  padding: 8px 16px;
  border-radius: 999px;
  background: #f1f5f9;
  color: var(--sf-primary);
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background var(--sf-transition), color var(--sf-transition);
}

.product-add-cart-btn:hover {
  background: var(--sf-primary);
  color: #ffffff;
}

/* 7. Quick View Modal */
.shopflex-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.shopflex-modal-backdrop.is-open {
  display: flex;
}

.shopflex-modal-container {
  background: #ffffff;
  border-radius: calc(var(--sf-radius) + 4px);
  box-shadow: var(--sf-shadow-lg);
  max-width: 880px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 768px) {
  .shopflex-modal-container {
    grid-template-columns: 1fr;
    max-height: 85vh;
    overflow-y: auto;
  }
}

.shopflex-modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #f8fafc;
  border: 1px solid var(--sf-border);
  color: var(--sf-primary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background var(--sf-transition);
}

.shopflex-modal-close-btn:hover {
  background: #f1f5f9;
}

.shopflex-qv-gallery {
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.shopflex-qv-gallery img {
  max-height: 360px;
  object-fit: contain;
}

.shopflex-qv-details {
  padding: 32px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* 8. Footer */
.site-footer {
  background: var(--sf-footer-bg);
  border-top: 1px solid var(--sf-border);
  padding: 56px 0 32px;
  margin-top: 64px;
  color: var(--sf-muted);
}

.footer-widgets-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 36px;
  margin-bottom: 48px;
}

@media (max-width: 900px) {
  .footer-widgets-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .footer-widgets-grid {
    grid-template-columns: 1fr;
  }
}

.footer-widget-title {
  color: var(--sf-primary);
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 16px;
}

.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--sf-border);
  font-size: 13px;
}

@media (max-width: 600px) {
  .footer-bottom-bar {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}