/* ============================================
   Zakra Style E-commerce - Main CSS
   Template: templets/v3/style/main.css
   Design: Modern, Bright, Clean (Zakra WP Theme)
   ============================================ */

/* ========================================
   1. CSS Variables (Design Tokens)
   ======================================== */
:root {
  /* Primary Colors */
  --zk-color-primary: #0D8DFC;
  --zk-color-primary-dark: #0771CC;
  --zk-color-primary-light: #E8F4FD;
  --zk-color-accent: #E74C3C;
  --zk-color-accent-dark: #C0392B;

  /* Backgrounds */
  --zk-color-bg: #FFFFFF;
  --zk-color-bg-alt: #F8F9FA;
  --zk-color-bg-dark: #1A1A2E;
  --zk-color-bg-darker: #0F0F1E;

  /* Text */
  --zk-color-text: #333333;
  --zk-color-text-muted: #666666;
  --zk-color-text-light: #999999;
  --zk-color-text-white: #FFFFFF;

  /* Functional */
  --zk-color-success: #27AE60;
  --zk-color-warning: #F39C12;
  --zk-color-error: #E74C3C;
  --zk-color-info: #0D8DFC;

  /* Typography */
  --zk-font-family: 'Noto Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --zk-font-size-xs: 0.75rem;
  --zk-font-size-sm: 0.875rem;
  --zk-font-size-base: 1rem;
  --zk-font-size-md: 1.125rem;
  --zk-font-size-lg: 1.25rem;
  --zk-font-size-xl: 1.5rem;
  --zk-font-size-2xl: 2rem;
  --zk-font-size-3xl: 2.5rem;
  --zk-font-size-4xl: 3rem;

  /* Spacing */
  --zk-space-xs: 0.25rem;
  --zk-space-sm: 0.5rem;
  --zk-space-md: 1rem;
  --zk-space-lg: 1.5rem;
  --zk-space-xl: 2rem;
  --zk-space-2xl: 3rem;
  --zk-space-3xl: 4rem;
  --zk-space-4xl: 6rem;

  /* Radius */
  --zk-radius-sm: 4px;
  --zk-radius-md: 8px;
  --zk-radius-lg: 12px;
  --zk-radius-xl: 16px;
  --zk-radius-full: 9999px;

  /* Shadows */
  --zk-shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --zk-shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --zk-shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --zk-shadow-xl: 0 16px 48px rgba(0,0,0,0.15);

  /* Transitions */
  --zk-transition-fast: 0.15s ease;
  --zk-transition-base: 0.3s ease;
  --zk-transition-slow: 0.5s ease;

  /* Layout */
  --zk-container-max: 1200px;
  --zk-header-height: 80px;
  --zk-topbar-height: 40px;
}

/* ========================================
   2. Reset & Base
   ======================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--zk-font-family); font-size: var(--zk-font-size-base); color: var(--zk-color-text); background: var(--zk-color-bg); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--zk-color-primary); text-decoration: none; transition: color var(--zk-transition-fast); }
a:hover { color: var(--zk-color-primary-dark); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }
table { border-collapse: collapse; width: 100%; }

/* ========================================
   3. Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--zk-color-text); }
h1 { font-size: var(--zk-font-size-3xl); }
h2 { font-size: var(--zk-font-size-2xl); }
h3 { font-size: var(--zk-font-size-xl); }
h4 { font-size: var(--zk-font-size-lg); }
p { margin-bottom: var(--zk-space-md); }
strong { font-weight: 600; }
small { font-size: var(--zk-font-size-sm); }

/* ========================================
   4. Layout
   ======================================== */
.zk-container { max-width: var(--zk-container-max); margin: 0 auto; padding: 0 var(--zk-space-lg); }
.zk-section { padding: var(--zk-space-3xl) 0; }
.zk-section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--zk-space-2xl); text-align: center; }
.zk-section-title { font-size: var(--zk-font-size-2xl); font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }
.zk-page-title { font-size: var(--zk-font-size-2xl); font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: var(--zk-space-xl); text-align: center; }

/* ========================================
   5. Top Bar
   ======================================== */
.zk-topbar { background: var(--zk-color-bg-dark); color: var(--zk-color-text-white); font-size: var(--zk-font-size-xs); height: var(--zk-topbar-height); display: flex; align-items: center; position: relative; z-index: 100; }
.zk-topbar .zk-container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.zk-topbar-left { display: flex; gap: var(--zk-space-lg); align-items: center; }
.zk-topbar-left span { display: flex; align-items: center; gap: var(--zk-space-xs); opacity: 0.8; }
.zk-topbar-right { display: flex; gap: var(--zk-space-md); align-items: center; }
.zk-topbar-right a { color: rgba(255,255,255,0.7); transition: color var(--zk-transition-fast); }
.zk-topbar-right a:hover { color: #fff; }
.zk-topbar-close { position: absolute; right: var(--zk-space-md); top: 50%; transform: translateY(-50%); color: rgba(255,255,255,0.5); font-size: 18px; background: none; border: none; cursor: pointer; }
.zk-topbar-close:hover { color: #fff; }
.zk-topbar.hidden { display: none; }

/* ========================================
   6. Header
   ======================================== */
.zk-header { background: var(--zk-color-bg); position: sticky; top: 0; z-index: 90; transition: box-shadow var(--zk-transition-base); }
.zk-header.sticky { box-shadow: var(--zk-shadow-md); }
.zk-header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--zk-header-height); }
.zk-logo { font-size: var(--zk-font-size-xl); font-weight: 800; color: var(--zk-color-text); letter-spacing: 0.05em; }
.zk-logo:hover { color: var(--zk-color-primary); }
.zk-header-actions { display: flex; align-items: center; gap: var(--zk-space-md); }
.zk-header-icon { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; color: var(--zk-color-text); position: relative; transition: color var(--zk-transition-fast); }
.zk-header-icon:hover { color: var(--zk-color-primary); }
.zk-header-icon svg { width: 22px; height: 22px; }
.zk-cart-badge { position: absolute; top: 2px; right: 0; background: var(--zk-color-accent); color: #fff; font-size: 10px; font-weight: 700; min-width: 18px; height: 18px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.zk-search-toggle { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; color: var(--zk-color-text); }
.zk-search-toggle:hover { color: var(--zk-color-primary); }
.zk-search-toggle svg { width: 22px; height: 22px; }
.zk-mobile-toggle { display: none; cursor: pointer; width: 40px; height: 40px; align-items: center; justify-content: center; }
.zk-mobile-toggle svg { width: 24px; height: 24px; }

/* ========================================
   7. Navigation
   ======================================== */
.zk-nav { display: flex; align-items: center; gap: var(--zk-space-xl); }
.zk-nav-link { font-size: var(--zk-font-size-sm); font-weight: 500; color: var(--zk-color-text); text-transform: uppercase; letter-spacing: 0.05em; padding: var(--zk-space-sm) 0; position: relative; }
.zk-nav-link:hover, .zk-nav-link.active { color: var(--zk-color-primary); }
.zk-nav-link.active::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px; background: var(--zk-color-primary); }
.zk-mega-menu { display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); background: #fff; box-shadow: var(--zk-shadow-lg); border-radius: var(--zk-radius-md); padding: var(--zk-space-xl); display: none; grid-template-columns: repeat(4, 1fr); gap: var(--zk-space-xl); min-width: 600px; z-index: 50; }
.zk-nav-link.has-mega { position: relative; }
.zk-nav-link.has-mega:hover .zk-mega-menu { display: grid; }
.zk-mega-col h5 { font-size: var(--zk-font-size-sm); font-weight: 700; margin-bottom: var(--zk-space-sm); color: var(--zk-color-text); }
.zk-mega-col a { display: block; font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); padding: 3px 0; }
.zk-mega-col a:hover { color: var(--zk-color-primary); }

/* ========================================
   8. Search Bar
   ======================================== */
.zk-search-bar { display: none; background: var(--zk-color-bg-alt); padding: var(--zk-space-md) 0; border-bottom: 1px solid #eee; }
.zk-search-bar.open { display: block; }
.zk-search-bar .zk-container { display: flex; gap: var(--zk-space-sm); }
.zk-search-bar input { flex: 1; padding: 10px 16px; border: 1px solid #ddd; border-radius: var(--zk-radius-sm); font-size: var(--zk-font-size-sm); }
.zk-search-bar input:focus { outline: none; border-color: var(--zk-color-primary); }
.zk-search-bar button { padding: 10px 24px; background: var(--zk-color-primary); color: #fff; border-radius: var(--zk-radius-sm); font-weight: 600; }

/* ========================================
   9. Mobile Menu
   ======================================== */
.zk-menu-toggle { display: none; }
.zk-mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 200; }
.zk-menu-toggle:checked ~ .zk-mobile-overlay { display: block; }
.zk-mobile-drawer { position: fixed; top: 0; left: -300px; width: 300px; height: 100vh; background: #fff; z-index: 201; transition: left var(--zk-transition-base); padding: var(--zk-space-xl); overflow-y: auto; }
.zk-menu-toggle:checked ~ .zk-mobile-drawer { left: 0; }
.zk-mobile-drawer a { display: block; padding: var(--zk-space-md) 0; font-size: var(--zk-font-size-md); font-weight: 500; color: var(--zk-color-text); border-bottom: 1px solid #eee; }

/* ========================================
   10. Hero Banner
   ======================================== */
.zk-hero { position: relative; overflow: hidden; }
.zk-hero-slides { display: flex; transition: transform 0.5s ease; }
.zk-hero-slide { min-width: 100%; position: relative; }
.zk-hero-slide img { width: 100%; height: 500px; object-fit: cover; }
.zk-hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(26,26,46,0.4) 100%); display: flex; align-items: center; }
.zk-hero-content { max-width: 550px; padding: var(--zk-space-2xl) var(--zk-space-3xl); color: #fff; }
.zk-hero-tag { display: inline-block; font-size: var(--zk-font-size-xs); font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(255,255,255,0.8); margin-bottom: var(--zk-space-md); }
.zk-hero-title { font-size: var(--zk-font-size-4xl); color: #fff; margin-bottom: var(--zk-space-md); line-height: 1.1; }
.zk-hero-subtitle { font-size: var(--zk-font-size-md); color: rgba(255,255,255,0.8); margin-bottom: var(--zk-space-xl); }
.zk-hero-dots { position: absolute; bottom: var(--zk-space-xl); left: 50%; transform: translateX(-50%); display: flex; gap: var(--zk-space-sm); }
.zk-hero-dot { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,0.4); border: none; cursor: pointer; transition: background var(--zk-transition-fast); }
.zk-hero-dot.active { background: #fff; }
.zk-hero-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border-radius: 50%; background: rgba(255,255,255,0.2); color: #fff; display: flex; align-items: center; justify-content: center; transition: background var(--zk-transition-fast); z-index: 5; }
.zk-hero-arrow:hover { background: rgba(255,255,255,0.4); }
.zk-hero-arrow svg { width: 24px; height: 24px; }
.zk-hero-prev { left: var(--zk-space-lg); }
.zk-hero-next { right: var(--zk-space-lg); }

/* ========================================
   11. Category Section
   ======================================== */
.zk-categories-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--zk-space-lg); }
.zk-category-card { text-align: center; transition: transform var(--zk-transition-base); }
.zk-category-card:hover { transform: translateY(-4px); }
.zk-category-img { border-radius: var(--zk-radius-lg); overflow: hidden; margin-bottom: var(--zk-space-md); aspect-ratio: 1; }
.zk-category-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--zk-transition-slow); }
.zk-category-card:hover .zk-category-img img { transform: scale(1.05); }
.zk-category-name { font-size: var(--zk-font-size-md); font-weight: 600; color: var(--zk-color-text); }

/* ========================================
   12. Product Cards & Grid
   ======================================== */
.zk-product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--zk-space-lg); }
.zk-product-card { transition: transform var(--zk-transition-base), box-shadow var(--zk-transition-base); }
.zk-product-card:hover { transform: translateY(-4px); box-shadow: var(--zk-shadow-md); }
.zk-product-card-image { position: relative; overflow: hidden; border-radius: var(--zk-radius-md); background: var(--zk-color-bg-alt); aspect-ratio: 4/5; }
.zk-product-card-image img { width: 100%; height: 100%; object-fit: cover; }
.zk-product-card-actions { position: absolute; bottom: 0; left: 0; right: 0; display: flex; justify-content: center; gap: var(--zk-space-sm); padding: var(--zk-space-md); background: linear-gradient(transparent, rgba(0,0,0,0.3)); opacity: 0; transform: translateY(10px); transition: all var(--zk-transition-base); }
.zk-product-card:hover .zk-product-card-actions { opacity: 1; transform: translateY(0); }
.zk-product-card-actions button { width: 40px; height: 40px; border-radius: 50%; background: #fff; display: flex; align-items: center; justify-content: center; transition: all var(--zk-transition-fast); }
.zk-product-card-actions button:hover { background: var(--zk-color-primary); color: #fff; }
.zk-product-card-actions button svg { width: 18px; height: 18px; }
.zk-product-badge { position: absolute; top: var(--zk-space-sm); left: var(--zk-space-sm); padding: 3px 10px; border-radius: var(--zk-radius-sm); font-size: var(--zk-font-size-xs); font-weight: 700; text-transform: uppercase; }
.zk-badge-sale { background: var(--zk-color-accent); color: #fff; }
.zk-badge-new { background: var(--zk-color-success); color: #fff; }
.zk-product-card-info { padding: var(--zk-space-md) var(--zk-space-xs); }
.zk-product-name { font-size: var(--zk-font-size-sm); color: var(--zk-color-text); display: block; margin-bottom: var(--zk-space-xs); line-height: 1.4; }
.zk-product-name:hover { color: var(--zk-color-primary); }
.zk-product-price { font-size: var(--zk-font-size-md); font-weight: 700; color: var(--zk-color-primary-dark); }
.zk-price-original { font-size: var(--zk-font-size-sm); color: var(--zk-color-text-light); text-decoration: line-through; font-weight: 400; margin-left: var(--zk-space-xs); }
.zk-product-rating { color: #F39C12; font-size: var(--zk-font-size-sm); margin-top: var(--zk-space-xs); }

/* ========================================
   13. Promo Banner
   ======================================== */
.zk-promo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--zk-space-lg); }
.zk-promo-card { position: relative; border-radius: var(--zk-radius-lg); overflow: hidden; min-height: 300px; }
.zk-promo-card img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.zk-promo-content { position: relative; z-index: 1; padding: var(--zk-space-2xl); display: flex; flex-direction: column; justify-content: center; color: #fff; }
.zk-promo-tag { font-size: var(--zk-font-size-xs); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.8; margin-bottom: var(--zk-space-sm); }
.zk-promo-title { font-size: var(--zk-font-size-2xl); font-weight: 700; margin-bottom: var(--zk-space-md); }

/* ========================================
   14. Service Features
   ======================================== */
.zk-features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--zk-space-xl); text-align: center; }
.zk-feature-icon { width: 56px; height: 56px; margin: 0 auto var(--zk-space-md); display: flex; align-items: center; justify-content: center; color: var(--zk-color-primary); }
.zk-feature-icon svg { width: 32px; height: 32px; }
.zk-feature-title { font-size: var(--zk-font-size-md); font-weight: 700; margin-bottom: var(--zk-space-xs); }
.zk-feature-desc { font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); }

/* ========================================
   15. Blog Cards
   ======================================== */
.zk-blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--zk-space-xl); }
.zk-blog-card { background: #fff; border-radius: var(--zk-radius-md); overflow: hidden; transition: transform var(--zk-transition-base), box-shadow var(--zk-transition-base); }
.zk-blog-card:hover { transform: translateY(-4px); box-shadow: var(--zk-shadow-md); }
.zk-blog-card-image { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.zk-blog-card-image img { width: 100%; height: 100%; object-fit: cover; }
.zk-blog-category { position: absolute; top: var(--zk-space-sm); left: var(--zk-space-sm); background: var(--zk-color-primary); color: #fff; padding: 3px 10px; border-radius: var(--zk-radius-sm); font-size: var(--zk-font-size-xs); font-weight: 600; text-transform: uppercase; }
.zk-blog-card-info { padding: var(--zk-space-lg); }
.zk-blog-date { font-size: var(--zk-font-size-xs); color: var(--zk-color-text-light); }
.zk-blog-title { font-size: var(--zk-font-size-md); font-weight: 700; margin: var(--zk-space-sm) 0; line-height: 1.4; }
.zk-blog-title a { color: var(--zk-color-text); }
.zk-blog-title a:hover { color: var(--zk-color-primary); }
.zk-blog-excerpt { font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); margin-bottom: var(--zk-space-sm); }
.zk-blog-read-more { font-size: var(--zk-font-size-sm); font-weight: 600; color: var(--zk-color-primary); }

/* ========================================
   16. Brand Logos
   ======================================== */
.zk-brands-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--zk-space-xl); align-items: center; justify-items: center; }
.zk-brand-logo { opacity: 0.4; filter: grayscale(100%); transition: all var(--zk-transition-base); }
.zk-brand-logo:hover { opacity: 1; filter: grayscale(0%); }

/* ========================================
   17. Newsletter
   ======================================== */
.zk-newsletter { background: var(--zk-color-bg-dark); padding: var(--zk-space-3xl) 0; text-align: center; color: #fff; }
.zk-newsletter h4 { font-size: var(--zk-font-size-xl); margin-bottom: var(--zk-space-sm); }
.zk-newsletter p { opacity: 0.7; margin-bottom: var(--zk-space-lg); }
.zk-newsletter-form { display: flex; max-width: 480px; margin: 0 auto; gap: var(--zk-space-sm); }
.zk-newsletter-form input { flex: 1; padding: 12px 16px; border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.1); color: #fff; border-radius: var(--zk-radius-sm); }
.zk-newsletter-form input::placeholder { color: rgba(255,255,255,0.5); }
.zk-newsletter-form input:focus { outline: none; border-color: var(--zk-color-primary); }
.zk-newsletter-form button { padding: 12px 28px; background: var(--zk-color-primary); color: #fff; border-radius: var(--zk-radius-sm); font-weight: 600; white-space: nowrap; }

/* ========================================
   18. Footer
   ======================================== */
.zk-footer { color: rgba(255,255,255,0.7); }
.zk-footer-grid { background: var(--zk-color-bg-dark); padding: var(--zk-space-3xl) 0; }
.zk-footer-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--zk-space-2xl); }
.zk-footer-col h4 { color: #fff; font-size: var(--zk-font-size-md); margin-bottom: var(--zk-space-lg); }
.zk-footer-col a { display: block; color: rgba(255,255,255,0.6); font-size: var(--zk-font-size-sm); padding: 3px 0; }
.zk-footer-col a:hover { color: #fff; }
.zk-footer-social { display: flex; gap: var(--zk-space-md); margin-bottom: var(--zk-space-lg); }
.zk-footer-social a { color: rgba(255,255,255,0.6); width: 36px; height: 36px; }
.zk-footer-social a:hover { color: #fff; }
.zk-footer-social a svg { width: 20px; height: 20px; }
.zk-footer-bottom { background: var(--zk-color-bg-darker); padding: var(--zk-space-lg) 0; text-align: center; }
.zk-footer-bottom p { font-size: var(--zk-font-size-sm); color: rgba(255,255,255,0.5); }
.zk-footer-payments { display: flex; justify-content: center; gap: var(--zk-space-md); margin-bottom: var(--zk-space-md); font-size: var(--zk-font-size-xs); color: rgba(255,255,255,0.4); }

/* ========================================
   19. Breadcrumb
   ======================================== */
.zk-breadcrumb { display: flex; align-items: center; gap: var(--zk-space-sm); padding: var(--zk-space-md) 0; font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); }
.zk-breadcrumb a { color: var(--zk-color-text-muted); }
.zk-breadcrumb a:hover { color: var(--zk-color-primary); }
.zk-breadcrumb .current { color: var(--zk-color-text); font-weight: 500; }

/* ========================================
   20. Buttons
   ======================================== */
.zk-btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--zk-space-sm); padding: 10px 24px; font-size: var(--zk-font-size-sm); font-weight: 600; border-radius: var(--zk-radius-sm); transition: all var(--zk-transition-fast); text-transform: uppercase; letter-spacing: 0.05em; border: 2px solid transparent; }
.zk-btn-primary { background: var(--zk-color-primary); color: #fff; border-color: var(--zk-color-primary); }
.zk-btn-primary:hover { background: var(--zk-color-primary-dark); border-color: var(--zk-color-primary-dark); }
.zk-btn-accent { background: var(--zk-color-accent); color: #fff; border-color: var(--zk-color-accent); }
.zk-btn-accent:hover { background: var(--zk-color-accent-dark); }
.zk-btn-outline { background: transparent; color: var(--zk-color-primary); border-color: var(--zk-color-primary); }
.zk-btn-outline:hover { background: var(--zk-color-primary); color: #fff; }
.zk-btn-ghost { background: transparent; color: var(--zk-color-text-muted); }
.zk-btn-ghost:hover { color: var(--zk-color-accent); }
.zk-btn-white { color: #fff; border-color: #fff; }
.zk-btn-white:hover { background: #fff; color: var(--zk-color-text); }
.zk-btn-sm { padding: 6px 16px; font-size: var(--zk-font-size-xs); }
.zk-btn-lg { padding: 14px 32px; font-size: var(--zk-font-size-base); }
.zk-btn-full { width: 100%; }

/* ========================================
   21. Form Elements
   ======================================== */
.zk-form-group { margin-bottom: var(--zk-space-md); }
.zk-form-group label { display: block; font-size: var(--zk-font-size-sm); font-weight: 600; margin-bottom: var(--zk-space-xs); color: var(--zk-color-text); }
.zk-form-group input, .zk-form-group select, .zk-form-group textarea { width: 100%; padding: 10px 14px; border: 1px solid #ddd; border-radius: var(--zk-radius-sm); background: #fff; transition: border-color var(--zk-transition-fast); }
.zk-form-group input:focus, .zk-form-group select:focus, .zk-form-group textarea:focus { outline: none; border-color: var(--zk-color-primary); box-shadow: 0 0 0 3px var(--zk-color-primary-light); }
.zk-form-group input.error, .zk-form-group select.error { border-color: var(--zk-color-error); }
.zk-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--zk-space-md); }
.zk-form-full { grid-column: 1 / -1; }
.zk-form-password { position: relative; }
.zk-password-toggle { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--zk-color-text-light); background: none; border: none; cursor: pointer; }
.zk-form-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--zk-space-md); }
.zk-checkbox-label { display: flex; align-items: center; gap: var(--zk-space-sm); font-size: var(--zk-font-size-sm); cursor: pointer; }
.zk-checkbox-label input { width: auto; }
.zk-radio-option { display: flex; align-items: flex-start; gap: var(--zk-space-sm); padding: var(--zk-space-md); border: 1px solid #eee; border-radius: var(--zk-radius-sm); margin-bottom: var(--zk-space-sm); cursor: pointer; }
.zk-radio-option input { margin-top: 4px; }
.zk-radio-label strong { display: block; }

/* ========================================
   22. Quantity Selector
   ======================================== */
.zk-quantity-selector { display: inline-flex; align-items: center; border: 1px solid #ddd; border-radius: var(--zk-radius-sm); }
.zk-quantity-selector button { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; background: var(--zk-color-bg-alt); font-size: 18px; color: var(--zk-color-text); border: none; }
.zk-quantity-selector button:hover { background: #eee; }
.zk-quantity-input { width: 48px; height: 36px; text-align: center; border: none; border-left: 1px solid #ddd; border-right: 1px solid #ddd; font-weight: 600; -moz-appearance: textfield; }
.zk-quantity-input::-webkit-inner-spin-button { -webkit-appearance: none; }

/* ========================================
   23. Product Detail Page
   ======================================== */
.zk-product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: var(--zk-space-2xl); margin-bottom: var(--zk-space-2xl); }
.zk-gallery-main { border-radius: var(--zk-radius-md); overflow: hidden; margin-bottom: var(--zk-space-md); background: var(--zk-color-bg-alt); }
.zk-gallery-main img { width: 100%; }
.zk-gallery-thumbs { display: flex; gap: var(--zk-space-sm); }
.zk-gallery-thumb { width: 80px; height: 80px; border-radius: var(--zk-radius-sm); overflow: hidden; border: 2px solid transparent; cursor: pointer; transition: border-color var(--zk-transition-fast); background: var(--zk-color-bg-alt); }
.zk-gallery-thumb.active, .zk-gallery-thumb:hover { border-color: var(--zk-color-primary); }
.zk-gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.zk-product-detail-title { font-size: var(--zk-font-size-2xl); margin-bottom: var(--zk-space-sm); }
.zk-product-detail-rating { margin-bottom: var(--zk-space-md); }
.zk-product-detail-rating .zk-stars { color: #F39C12; }
.zk-product-detail-rating .zk-review-count { color: var(--zk-color-text-light); font-size: var(--zk-font-size-sm); margin-left: var(--zk-space-sm); }
.zk-product-detail-price { font-size: var(--zk-font-size-2xl); font-weight: 700; color: var(--zk-color-primary-dark); margin-bottom: var(--zk-space-md); }
.zk-product-detail-desc { color: var(--zk-color-text-muted); line-height: 1.7; margin-bottom: var(--zk-space-lg); }
.zk-product-detail-actions { display: flex; gap: var(--zk-space-md); margin-bottom: var(--zk-space-lg); }
.zk-product-detail-cats, .zk-product-detail-tags { font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); margin-bottom: var(--zk-space-sm); }
.zk-product-detail-cats a, .zk-product-detail-tags a { color: var(--zk-color-primary); }

/* Product Tabs */
.zk-product-tabs { margin-bottom: var(--zk-space-2xl); }
.zk-tab-headers { display: flex; gap: 0; border-bottom: 2px solid #eee; margin-bottom: var(--zk-space-xl); }
.zk-tab-header { padding: var(--zk-space-md) var(--zk-space-xl); font-weight: 600; color: var(--zk-color-text-muted); border-bottom: 2px solid transparent; margin-bottom: -2px; cursor: pointer; transition: all var(--zk-transition-fast); }
.zk-tab-header.active { color: var(--zk-color-primary); border-bottom-color: var(--zk-color-primary); }
.zk-tab-content { display: none; }
.zk-tab-content.active { display: block; }
.zk-info-table { width: 100%; }
.zk-info-table th { text-align: left; padding: var(--zk-space-sm) var(--zk-space-md); background: var(--zk-color-bg-alt); font-weight: 600; width: 200px; }
.zk-info-table td { padding: var(--zk-space-sm) var(--zk-space-md); border-bottom: 1px solid #eee; }

/* Scroll Cart Bar */
.zk-scroll-cart-bar { position: fixed; bottom: 0; left: 0; right: 0; background: #fff; box-shadow: 0 -2px 10px rgba(0,0,0,0.1); padding: var(--zk-space-md) 0; z-index: 80; transform: translateY(100%); transition: transform var(--zk-transition-base); }
.zk-scroll-cart-bar.visible { transform: translateY(0); }
.zk-scroll-cart-bar .zk-container { display: flex; align-items: center; justify-content: space-between; }
.zk-scroll-cart-title { font-weight: 700; }
.zk-scroll-cart-price { font-size: var(--zk-font-size-xl); font-weight: 700; color: var(--zk-color-primary-dark); }

/* ========================================
   24. Shop Page
   ======================================== */
.zk-shop-layout { display: grid; grid-template-columns: 260px 1fr; gap: var(--zk-space-2xl); }
.zk-shop-sidebar { padding-right: var(--zk-space-xl); border-right: 1px solid #eee; }
.zk-filter-section { margin-bottom: var(--zk-space-lg); }
.zk-filter-title { font-size: var(--zk-font-size-md); font-weight: 700; margin-bottom: var(--zk-space-md); cursor: pointer; display: flex; justify-content: space-between; }
.zk-filter-content a { display: block; padding: 4px 0; color: var(--zk-color-text-muted); font-size: var(--zk-font-size-sm); }
.zk-filter-content a:hover { color: var(--zk-color-primary); }
.zk-filter-option { display: flex; align-items: center; gap: var(--zk-space-sm); padding: 4px 0; font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); }
.zk-mobile-filter-toggle { display: none; width: 100%; padding: var(--zk-space-md); background: var(--zk-color-bg-alt); border: 1px solid #eee; border-radius: var(--zk-radius-sm); margin-bottom: var(--zk-space-md); text-align: center; font-weight: 600; }
.zk-shop-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--zk-space-lg); padding-bottom: var(--zk-space-md); border-bottom: 1px solid #eee; }
.zk-result-count { font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); }
.zk-toolbar-right { display: flex; gap: var(--zk-space-md); align-items: center; }
.zk-view-toggle { display: flex; gap: 2px; border: 1px solid #eee; border-radius: var(--zk-radius-sm); overflow: hidden; }
.zk-view-btn { padding: 6px 10px; background: #fff; color: var(--zk-color-text-muted); border: none; }
.zk-view-btn.active { background: var(--zk-color-bg-alt); color: var(--zk-color-primary); }
.zk-view-btn svg { width: 18px; height: 18px; }
.zk-sort-select { padding: 6px 12px; border: 1px solid #eee; border-radius: var(--zk-radius-sm); font-size: var(--zk-font-size-sm); background: #fff; }
.zk-product-grid.zk-grid-4 { grid-template-columns: repeat(4, 1fr); }
.zk-product-grid.list-view { grid-template-columns: 1fr; }

/* ========================================
   25. Cart Page
   ======================================== */
.zk-cart-layout { display: grid; grid-template-columns: 1fr 380px; gap: var(--zk-space-2xl); }
.zk-cart-table { width: 100%; }
.zk-cart-table th { text-align: left; padding: var(--zk-space-md); border-bottom: 2px solid #eee; font-size: var(--zk-font-size-sm); font-weight: 600; text-transform: uppercase; color: var(--zk-color-text-muted); }
.zk-cart-table td { padding: var(--zk-space-md); border-bottom: 1px solid #eee; vertical-align: middle; }
.zk-cart-product { display: flex; align-items: center; gap: var(--zk-space-md); }
.zk-cart-product img { width: 80px; height: 80px; border-radius: var(--zk-radius-sm); object-fit: cover; }
.zk-cart-product-name { font-weight: 500; color: var(--zk-color-text); }
.zk-cart-price { font-weight: 500; }
.zk-cart-subtotal { font-weight: 700; }
.zk-cart-remove { color: var(--zk-color-text-light); font-size: 16px; }
.zk-cart-remove:hover { color: var(--zk-color-accent); }
.zk-cart-actions { display: flex; gap: var(--zk-space-md); margin-top: var(--zk-space-lg); flex-wrap: wrap; }
.zk-cart-summary { background: var(--zk-color-bg-alt); padding: var(--zk-space-xl); border-radius: var(--zk-radius-md); position: sticky; top: calc(var(--zk-header-height) + var(--zk-space-lg)); }
.zk-cart-summary-title { font-size: var(--zk-font-size-lg); font-weight: 700; margin-bottom: var(--zk-space-lg); padding-bottom: var(--zk-space-md); border-bottom: 1px solid #ddd; }
.zk-cart-summary-row { display: flex; justify-content: space-between; padding: var(--zk-space-sm) 0; font-size: var(--zk-font-size-sm); }
.zk-cart-total { border-top: 2px solid #ddd; margin-top: var(--zk-space-md); padding-top: var(--zk-space-md); font-size: var(--zk-font-size-lg); font-weight: 700; }
.zk-cart-coupon { display: flex; flex-wrap: wrap; gap: var(--zk-space-sm); margin: var(--zk-space-md) 0; }
.zk-coupon-input { flex: 1; min-width: 120px; padding: 8px 12px; border: 1px solid #ddd; border-radius: var(--zk-radius-sm); }
.zk-coupon-success, .zk-coupon-error { display: none; width: 100%; padding: 8px 12px; border-radius: var(--zk-radius-sm); font-size: var(--zk-font-size-sm); margin-top: 4px; }
.zk-coupon-success { background: #e8f5e9; color: #2e7d32; border: 1px solid #a5d6a7; }
.zk-coupon-error { background: #fce4ec; color: #c62828; border: 1px solid #ef9a9a; }
.zk-btn-checkout { width: 100%; margin: var(--zk-space-md) 0; }
.zk-cart-payment-icons { display: flex; justify-content: center; gap: var(--zk-space-md); font-size: var(--zk-font-size-xs); color: var(--zk-color-text-light); }

/* ========================================
   26. Checkout Page
   ======================================== */
.zk-checkout-page .zk-header { border-bottom: 1px solid #eee; }
.zk-checkout-steps { display: flex; justify-content: center; gap: var(--zk-space-xl); margin-bottom: var(--zk-space-2xl); }
.zk-checkout-step-indicator { display: flex; align-items: center; gap: var(--zk-space-sm); color: var(--zk-color-text-light); font-weight: 500; }
.zk-checkout-step-indicator.active { color: var(--zk-color-primary); }
.zk-checkout-step-indicator.completed { color: var(--zk-color-success); }
.zk-step-num { width: 32px; height: 32px; border-radius: 50%; border: 2px solid currentColor; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: var(--zk-font-size-sm); }
.zk-step-label { font-size: var(--zk-font-size-sm); text-transform: uppercase; letter-spacing: 0.05em; }
.zk-checkout-layout { display: grid; grid-template-columns: 1fr 380px; gap: var(--zk-space-2xl); }
.zk-checkout-step { display: none; }
.zk-checkout-step.active { display: block; }
.zk-checkout-step h2 { margin-bottom: var(--zk-space-xl); }
.zk-checkout-nav { display: flex; gap: var(--zk-space-md); margin-top: var(--zk-space-xl); justify-content: space-between; }
.zk-card-fields { margin: var(--zk-space-md) 0; padding-left: var(--zk-space-xl); }
.zk-checkout-items .zk-checkout-item { display: flex; gap: var(--zk-space-sm); align-items: center; padding: var(--zk-space-sm) 0; border-bottom: 1px solid #eee; }
.zk-checkout-item img { width: 50px; height: 50px; border-radius: var(--zk-radius-sm); object-fit: cover; }
.zk-checkout-item span { font-size: var(--zk-font-size-sm); }
.zk-checkout-summary { position: sticky; top: calc(var(--zk-header-height) + var(--zk-space-lg)); }

/* ========================================
   27. Auth Forms
   ======================================== */
.zk-auth-wrapper { display: flex; justify-content: center; padding: var(--zk-space-2xl) 0; }
.zk-auth-card { width: 100%; max-width: 480px; background: #fff; padding: var(--zk-space-2xl); border-radius: var(--zk-radius-lg); box-shadow: var(--zk-shadow-md); }
.zk-auth-title { font-size: var(--zk-font-size-xl); margin-bottom: var(--zk-space-sm); text-align: center; }
.zk-auth-subtitle { color: var(--zk-color-text-muted); text-align: center; margin-bottom: var(--zk-space-xl); }
.zk-auth-footer { text-align: center; margin-top: var(--zk-space-lg); font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); }
.zk-forgot-link { font-size: var(--zk-font-size-sm); color: var(--zk-color-primary); }

/* ========================================
   28. User Center
   ======================================== */
.zk-uc-layout { display: grid; grid-template-columns: 220px 1fr; gap: var(--zk-space-2xl); padding-bottom: var(--zk-space-3xl); }
.zk-uc-nav { display: flex; flex-direction: column; gap: 2px; }
.zk-uc-nav-item { padding: var(--zk-space-md) var(--zk-space-lg); color: var(--zk-color-text-muted); font-size: var(--zk-font-size-sm); font-weight: 500; border-radius: var(--zk-radius-sm); transition: all var(--zk-transition-fast); }
.zk-uc-nav-item:hover { background: var(--zk-color-bg-alt); color: var(--zk-color-text); }
.zk-uc-nav-item.active { background: var(--zk-color-primary-light); color: var(--zk-color-primary); font-weight: 600; }
.zk-uc-logout { color: var(--zk-color-accent); margin-top: var(--zk-space-md); }
.zk-uc-panel { display: none; }
.zk-uc-panel.active { display: block; }
.zk-uc-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--zk-space-lg); margin-top: var(--zk-space-xl); }
.zk-uc-stat-card { text-align: center; padding: var(--zk-space-xl); background: var(--zk-color-bg-alt); border-radius: var(--zk-radius-md); }
.zk-uc-stat-num { display: block; font-size: var(--zk-font-size-2xl); font-weight: 700; color: var(--zk-color-primary); }
.zk-uc-stat-label { font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); }
.zk-uc-table { width: 100%; }
.zk-uc-table th { text-align: left; padding: var(--zk-space-md); border-bottom: 2px solid #eee; font-size: var(--zk-font-size-sm); font-weight: 600; text-transform: uppercase; color: var(--zk-color-text-muted); }
.zk-uc-table td { padding: var(--zk-space-md); border-bottom: 1px solid #eee; }
.zk-address-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--zk-space-xl); }
.zk-address-card { padding: var(--zk-space-xl); background: var(--zk-color-bg-alt); border-radius: var(--zk-radius-md); }
.zk-address-card h4 { margin-bottom: var(--zk-space-md); }
.zk-address-card p { font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); }
.zk-order-number { font-size: var(--zk-font-size-md); font-weight: 400; color: var(--zk-color-text-muted); margin-left: var(--zk-space-sm); }
.zk-order-detail-layout { margin-bottom: var(--zk-space-2xl); }
.zk-order-info-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--zk-space-md); margin-bottom: var(--zk-space-xl); }
.zk-order-info-card { padding: var(--zk-space-md); background: var(--zk-color-bg-alt); border-radius: var(--zk-radius-sm); }
.zk-order-info-card h4 { font-size: var(--zk-font-size-xs); color: var(--zk-color-text-muted); text-transform: uppercase; margin-bottom: var(--zk-space-xs); }
.zk-order-addresses { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--zk-space-lg); margin-top: var(--zk-space-xl); }
.zk-order-totals { max-width: 400px; margin-left: auto; margin-top: var(--zk-space-xl); padding-top: var(--zk-space-lg); border-top: 2px solid #eee; }
.zk-badge { padding: 3px 10px; border-radius: var(--zk-radius-full); font-size: var(--zk-font-size-xs); font-weight: 600; }
.zk-badge-processing { background: #FFF3E0; color: #E65100; }
.zk-badge-shipped { background: #E3F2FD; color: #1565C0; }
.zk-badge-delivered { background: #E8F5E9; color: #2E7D32; }

/* ========================================
   29. Contact Page
   ======================================== */
.zk-contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--zk-space-2xl); margin-bottom: var(--zk-space-2xl); }
.zk-contact-form h3, .zk-contact-info h3 { margin-bottom: var(--zk-space-lg); }
.zk-contact-card { display: flex; gap: var(--zk-space-md); margin-bottom: var(--zk-space-lg); }
.zk-contact-icon { width: 48px; height: 48px; min-width: 48px; display: flex; align-items: center; justify-content: center; background: var(--zk-color-primary-light); color: var(--zk-color-primary); border-radius: var(--zk-radius-md); }
.zk-contact-icon svg { width: 24px; height: 24px; }
.zk-contact-card h4 { font-size: var(--zk-font-size-sm); font-weight: 700; margin-bottom: 4px; }
.zk-contact-card p { font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); margin-bottom: 0; }
.zk-contact-map { margin-bottom: var(--zk-space-2xl); }

/* ========================================
   30. Article Page
   ======================================== */
.zk-article { max-width: 800px; margin: 0 auto; padding-bottom: var(--zk-space-2xl); }
.zk-article-header { margin-bottom: var(--zk-space-xl); text-align: center; }
.zk-article-title { font-size: var(--zk-font-size-3xl); margin-bottom: var(--zk-space-md); }
.zk-article-meta { display: flex; justify-content: center; gap: var(--zk-space-lg); font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); }
.zk-article-featured { border-radius: var(--zk-radius-lg); overflow: hidden; margin-bottom: var(--zk-space-xl); }
.zk-article-body { line-height: 1.8; }
.zk-article-body h2 { margin-top: var(--zk-space-xl); margin-bottom: var(--zk-space-md); }
.zk-article-body p { margin-bottom: var(--zk-space-md); }
.zk-article-tags { margin-top: var(--zk-space-xl); padding-top: var(--zk-space-lg); border-top: 1px solid #eee; font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); }
.zk-article-tags a { display: inline-block; padding: 3px 12px; background: var(--zk-color-bg-alt); border-radius: var(--zk-radius-full); margin: 2px; color: var(--zk-color-text-muted); }
.zk-article-tags a:hover { background: var(--zk-color-primary-light); color: var(--zk-color-primary); }
.zk-article-share { display: flex; align-items: center; gap: var(--zk-space-md); margin-top: var(--zk-space-lg); }
.zk-article-share span { font-size: var(--zk-font-size-sm); font-weight: 600; }
.zk-article-share a { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--zk-color-bg-alt); color: var(--zk-color-text-muted); transition: all var(--zk-transition-fast); }
.zk-article-share a:hover { background: var(--zk-color-primary); color: #fff; }
.zk-article-nav { display: flex; justify-content: space-between; margin-top: var(--zk-space-2xl); padding-top: var(--zk-space-xl); border-top: 1px solid #eee; }
.zk-article-prev, .zk-article-next { font-size: var(--zk-font-size-sm); font-weight: 600; color: var(--zk-color-text); }
.zk-article-prev:hover, .zk-article-next:hover { color: var(--zk-color-primary); }

/* ========================================
   31. Pagination
   ======================================== */
.zk-pagination { display: flex; justify-content: center; gap: var(--zk-space-sm); margin-top: var(--zk-space-2xl); }
.zk-page-num { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: var(--zk-radius-sm); border: 1px solid #ddd; font-size: var(--zk-font-size-sm); font-weight: 500; color: var(--zk-color-text-muted); }
.zk-page-num:hover { border-color: var(--zk-color-primary); color: var(--zk-color-primary); }
.zk-page-num.current { background: var(--zk-color-primary); color: #fff; border-color: var(--zk-color-primary); }
.zk-page-next { padding: 0 var(--zk-space-md); height: 36px; display: flex; align-items: center; border-radius: var(--zk-radius-sm); border: 1px solid #ddd; font-size: var(--zk-font-size-sm); font-weight: 500; color: var(--zk-color-text-muted); }
.zk-page-next:hover { border-color: var(--zk-color-primary); color: var(--zk-color-primary); }

/* ========================================
   32. Back to Top
   ======================================== */
.zk-back-to-top { position: fixed; bottom: var(--zk-space-xl); right: var(--zk-space-xl); width: 44px; height: 44px; border-radius: 50%; background: var(--zk-color-primary); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: var(--zk-shadow-md); opacity: 0; visibility: hidden; transition: all var(--zk-transition-base); z-index: 80; }
.zk-back-to-top.visible { opacity: 1; visibility: visible; }
.zk-back-to-top:hover { background: var(--zk-color-primary-dark); transform: translateY(-2px); }
.zk-back-to-top svg { width: 20px; height: 20px; }

/* ========================================
   33. Additional Interactive States
   ======================================== */
.zk-header-scrolled { box-shadow: var(--zk-shadow-md); }
.zk-search-bar-active { display: block !important; }
.zk-back-to-top-visible { opacity: 1 !important; visibility: visible !important; }
.zk-wishlist-active svg { fill: currentColor; color: var(--zk-color-accent); }
.zk-filter-collapsed::after { content: '−'; }
.zk-filter-title::after { content: '+'; float: right; font-size: 16px; font-weight: 400; }
.zk-filter-collapsed::after { content: '−'; }

/* Mobile Drawer */
.zk-mobile-drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--zk-space-xl); padding-bottom: var(--zk-space-lg); border-bottom: 1px solid #eee; }
.zk-mobile-close { cursor: pointer; color: var(--zk-color-text); }
.zk-mobile-drawer-body a { display: block; padding: var(--zk-space-md) 0; font-size: var(--zk-font-size-md); font-weight: 500; color: var(--zk-color-text); border-bottom: 1px solid #eee; }
.zk-mobile-divider { height: 1px; background: #eee; margin: var(--zk-space-md) 0; }
.zk-mobile-submenu { overflow: hidden; }
.zk-mobile-submenu .zk-mobile-sub { padding-left: var(--zk-space-lg); }
.zk-mobile-submenu-open .zk-mobile-sub { display: block; }

/* Payment & Footer Bottom */
.zk-footer-bottom-inner { display: flex; flex-direction: column; align-items: center; gap: var(--zk-space-md); }
.zk-payment-icons { display: flex; gap: var(--zk-space-sm); align-items: center; }
.zk-payment-icon { width: 48px; height: 32px; }
.zk-copyright { font-size: var(--zk-font-size-sm); color: rgba(255,255,255,0.5); margin: 0; }
.zk-footer-grid { background: var(--zk-color-bg-dark); padding: var(--zk-space-3xl) 0; }
.zk-footer-title { color: #fff; font-size: var(--zk-font-size-md); margin-bottom: var(--zk-space-lg); }
.zk-footer-link { display: block; color: rgba(255,255,255,0.6); font-size: var(--zk-font-size-sm); padding: 3px 0; }
.zk-footer-link:hover { color: #fff; }
.zk-footer-contact { margin-top: var(--zk-space-md); }
.zk-footer-info { display: flex; align-items: center; gap: var(--zk-space-xs); font-size: var(--zk-font-size-sm); color: rgba(255,255,255,0.6); margin-bottom: var(--zk-space-xs); }
.zk-footer-info svg { flex-shrink: 0; }
.zk-footer-social a { color: rgba(255,255,255,0.6); width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; transition: color var(--zk-transition-fast); }
.zk-footer-social a:hover { color: #fff; }

/* Newsletter */
.zk-newsletter-inner { text-align: center; color: #fff; max-width: 600px; margin: 0 auto; }
.zk-newsletter-title { font-size: var(--zk-font-size-xl); margin-bottom: var(--zk-space-sm); color: #fff; }
.zk-newsletter-desc { opacity: 0.7; margin-bottom: var(--zk-space-lg); }
.zk-newsletter-input { flex: 1; padding: 12px 16px; border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.1); color: #fff; border-radius: var(--zk-radius-sm); }
.zk-newsletter-input::placeholder { color: rgba(255,255,255,0.5); }
.zk-newsletter-input:focus { outline: none; border-color: var(--zk-color-primary); }
.zk-newsletter-btn { padding: 12px 28px; background: var(--zk-color-primary); color: #fff; border-radius: var(--zk-radius-sm); font-weight: 600; white-space: nowrap; }

/* Auth Page */
.zk-auth-subtitle { color: var(--zk-color-text-muted); text-align: center; margin-bottom: var(--zk-space-xl); }
.zk-auth-form { margin-top: var(--zk-space-lg); }
.zk-action-link { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; color: var(--zk-color-text); position: relative; transition: color var(--zk-transition-fast); }
.zk-action-link:hover { color: var(--zk-color-primary); }
.zk-action-link svg { width: 22px; height: 22px; }

/* ========================================
   33a. Breadcrumb Navigation (Enhanced)
   ======================================== */
.zk-breadcrumb-nav { display: flex; align-items: center; flex-wrap: wrap; gap: var(--zk-space-xs); padding: var(--zk-space-md) 0; font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); }
.zk-breadcrumb-link { color: var(--zk-color-text-muted); transition: color var(--zk-transition-fast); }
.zk-breadcrumb-link:hover { color: var(--zk-color-primary); }
.zk-breadcrumb-sep { color: var(--zk-color-text-light); margin: 0 2px; }
.zk-breadcrumb-current { color: var(--zk-color-text); font-weight: 500; }

/* ========================================
   33b. Product Listing Page
   ======================================== */
.zk-listing-section { padding: var(--zk-space-2xl) 0; }
.zk-listing-layout { display: grid; grid-template-columns: 260px 1fr; gap: var(--zk-space-2xl); }
.zk-listing-sidebar { padding-right: var(--zk-space-xl); border-right: 1px solid #eee; }
.zk-listing-main { min-width: 0; }

/* Sidebar Blocks */
.zk-sidebar-block { margin-bottom: var(--zk-space-xl); }
.zk-sidebar-title { font-size: var(--zk-font-size-md); font-weight: 700; margin-bottom: var(--zk-space-md); padding-bottom: var(--zk-space-sm); border-bottom: 2px solid var(--zk-color-primary); color: var(--zk-color-text); }
.zk-sidebar-list { list-style: none; padding: 0; margin: 0; }
.zk-sidebar-item { margin-bottom: var(--zk-space-xs); }
.zk-sidebar-link { display: flex; justify-content: space-between; align-items: center; padding: 6px 0; font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); transition: color var(--zk-transition-fast); }
.zk-sidebar-link:hover { color: var(--zk-color-primary); }

/* Filter Components */
.zk-filter-count { font-size: var(--zk-font-size-xs); color: var(--zk-color-text-light); }
.zk-price-filter { padding: var(--zk-space-sm) 0; }
.zk-price-range { margin-bottom: var(--zk-space-md); }
.zk-range-input { width: 100%; -webkit-appearance: none; appearance: none; height: 4px; background: #ddd; border-radius: 2px; outline: none; cursor: pointer; }
.zk-range-input::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: var(--zk-color-primary); cursor: pointer; border: 2px solid #fff; box-shadow: var(--zk-shadow-sm); }
.zk-range-input::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--zk-color-primary); cursor: pointer; border: 2px solid #fff; box-shadow: var(--zk-shadow-sm); }
.zk-price-labels { display: flex; justify-content: space-between; font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); margin-top: var(--zk-space-sm); }
.zk-filter-btn { margin-top: var(--zk-space-sm); }

/* Checkbox & Stars for Filters */
.zk-star-row { display: inline-flex; gap: 1px; color: #F39C12; }
.zk-star-row svg { vertical-align: middle; }

/* Listing Toolbar */
.zk-listing-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--zk-space-lg); padding-bottom: var(--zk-space-md); border-bottom: 1px solid #eee; }
.zk-toolbar-left { font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); }
.zk-toolbar-right { display: flex; gap: var(--zk-space-md); align-items: center; }

/* View Toggle */
.zk-view-toggle { display: flex; gap: 0; border: 1px solid #eee; border-radius: var(--zk-radius-sm); overflow: hidden; }
.zk-view-btn { padding: 6px 10px; background: #fff; color: var(--zk-color-text-muted); border: none; cursor: pointer; transition: all var(--zk-transition-fast); }
.zk-view-btn:hover { color: var(--zk-color-primary); }
.zk-view-btn.zk-view-active { background: var(--zk-color-bg-alt); color: var(--zk-color-primary); }
.zk-view-btn svg { display: block; }

/* Sort Select */
.zk-sort-select { padding: 6px 12px; border: 1px solid #eee; border-radius: var(--zk-radius-sm); font-size: var(--zk-font-size-sm); background: #fff; color: var(--zk-color-text-muted); }

/* Product Grid Variants */
.zk-product-grid-3 { grid-template-columns: repeat(3, 1fr); }
.zk-product-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ========================================
   33c. Product Detail Page
   ======================================== */
.zk-detail-section { padding: var(--zk-space-2xl) 0; }
.zk-detail-layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--zk-space-2xl); margin-bottom: var(--zk-space-2xl); }

/* Gallery */
.zk-gallery { position: sticky; top: calc(var(--zk-header-height) + var(--zk-space-lg)); }
.zk-gallery-main { border-radius: var(--zk-radius-md); overflow: hidden; margin-bottom: var(--zk-space-md); background: var(--zk-color-bg-alt); }
.zk-gallery-main img { width: 100%; display: block; }
.zk-gallery-thumbs { display: flex; gap: var(--zk-space-sm); }
.zk-thumb { width: 80px; height: 80px; border-radius: var(--zk-radius-sm); overflow: hidden; border: 2px solid transparent; cursor: pointer; transition: border-color var(--zk-transition-fast); background: var(--zk-color-bg-alt); padding: 0; flex-shrink: 0; }
.zk-thumb.active, .zk-thumb:hover { border-color: var(--zk-color-primary); }
.zk-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* Detail Info */
.zk-detail-info { display: flex; flex-direction: column; }
.zk-detail-title { font-size: var(--zk-font-size-2xl); font-weight: 700; margin-bottom: var(--zk-space-md); color: var(--zk-color-text); line-height: 1.3; }
.zk-detail-price { display: flex; align-items: baseline; gap: var(--zk-space-md); margin-bottom: var(--zk-space-md); }
.zk-detail-price .zk-price-current { font-size: var(--zk-font-size-2xl); font-weight: 700; color: var(--zk-color-primary-dark); }
.zk-detail-price .zk-price-original { font-size: var(--zk-font-size-lg); color: var(--zk-color-text-light); text-decoration: line-through; }
.zk-price-badge { display: inline-block; padding: 3px 10px; background: var(--zk-color-accent); color: #fff; border-radius: var(--zk-radius-sm); font-size: var(--zk-font-size-xs); font-weight: 700; text-transform: uppercase; }

/* Detail Rating */
.zk-detail-rating { display: flex; align-items: center; gap: var(--zk-space-sm); margin-bottom: var(--zk-space-lg); }
.zk-star-rating { display: inline-flex; gap: 1px; color: #F39C12; }
.zk-star-rating svg { vertical-align: middle; }
.zk-review-count { font-size: var(--zk-font-size-sm); color: var(--zk-color-text-light); }

/* Detail Description */
.zk-detail-desc { color: var(--zk-color-text-muted); line-height: 1.7; margin-bottom: var(--zk-space-lg); }
.zk-detail-desc p { margin-bottom: var(--zk-space-md); }

/* Quantity Control (Detail Page) */
.zk-detail-quantity { margin-bottom: var(--zk-space-lg); }
.zk-quantity-label { display: block; font-size: var(--zk-font-size-sm); font-weight: 600; margin-bottom: var(--zk-space-sm); color: var(--zk-color-text); }
.zk-quantity-control { display: inline-flex; align-items: center; border: 1px solid #ddd; border-radius: var(--zk-radius-sm); }
.zk-qty-btn { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: var(--zk-color-bg-alt); color: var(--zk-color-text); border: none; cursor: pointer; transition: background var(--zk-transition-fast); }
.zk-qty-btn:hover { background: #eee; }
.zk-qty-btn svg { width: 16px; height: 16px; }
.zk-qty-input { width: 50px; height: 40px; text-align: center; border: none; border-left: 1px solid #ddd; border-right: 1px solid #ddd; font-weight: 600; font-size: var(--zk-font-size-base); -moz-appearance: textfield; }
.zk-qty-input::-webkit-inner-spin-button, .zk-qty-input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

/* Detail Actions */
.zk-detail-actions { display: flex; gap: var(--zk-space-md); margin-bottom: var(--zk-space-xl); flex-wrap: wrap; }
.zk-add-to-cart { flex: 1; min-width: 200px; }
.zk-wishlist-btn { width: 48px; height: 48px; padding: 0; display: flex; align-items: center; justify-content: center; }
.zk-wishlist-btn svg { width: 20px; height: 20px; }

/* Detail Meta */
.zk-detail-meta { padding-top: var(--zk-space-lg); border-top: 1px solid #eee; }
.zk-meta-item { font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); margin-bottom: var(--zk-space-sm); }
.zk-meta-item a { color: var(--zk-color-primary); }
.zk-meta-item a:hover { text-decoration: underline; }
.zk-meta-label { font-weight: 600; color: var(--zk-color-text); margin-right: var(--zk-space-xs); }

/* ========================================
   33d. Product Tabs
   ======================================== */
.zk-tabs-section { padding: 0 0 var(--zk-space-3xl); }
.zk-tabs { background: #fff; }
.zk-tabs-nav { display: flex; gap: 0; border-bottom: 2px solid #eee; margin-bottom: var(--zk-space-xl); }
.zk-tab-btn { padding: var(--zk-space-md) var(--zk-space-xl); font-size: var(--zk-font-size-sm); font-weight: 600; color: var(--zk-color-text-muted); background: none; border: none; border-bottom: 2px solid transparent; margin-bottom: -2px; cursor: pointer; transition: all var(--zk-transition-fast); text-transform: uppercase; letter-spacing: 0.05em; }
.zk-tab-btn:hover { color: var(--zk-color-primary); }
.zk-tab-btn.zk-tab-active { color: var(--zk-color-primary); border-bottom-color: var(--zk-color-primary); }
.zk-tabs-content { min-height: 200px; }
.zk-tab-pane { display: none; }
.zk-tab-pane.zk-tab-active { display: block; }
.zk-tab-inner { padding: var(--zk-space-md) 0; line-height: 1.7; }
.zk-tab-inner h3 { margin-bottom: var(--zk-space-md); }
.zk-tab-inner h4 { margin-top: var(--zk-space-lg); margin-bottom: var(--zk-space-sm); }
.zk-tab-inner p { margin-bottom: var(--zk-space-md); color: var(--zk-color-text-muted); }
.zk-tab-inner ul { padding-left: var(--zk-space-xl); margin-bottom: var(--zk-space-md); }
.zk-tab-inner ul li { list-style: disc; margin-bottom: var(--zk-space-xs); color: var(--zk-color-text-muted); }

/* Spec Table */
.zk-spec-table { width: 100%; border-collapse: collapse; }
.zk-spec-table th { text-align: left; padding: var(--zk-space-sm) var(--zk-space-md); background: var(--zk-color-bg-alt); font-weight: 600; width: 200px; font-size: var(--zk-font-size-sm); border-bottom: 1px solid #eee; }
.zk-spec-table td { padding: var(--zk-space-sm) var(--zk-space-md); border-bottom: 1px solid #eee; font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); }

/* ========================================
   33e. Product Reviews
   ======================================== */
.zk-reviews-list { margin-top: var(--zk-space-md); }
.zk-review-item { padding: var(--zk-space-lg) 0; border-bottom: 1px solid #eee; }
.zk-review-item:last-child { border-bottom: none; }
.zk-review-header { display: flex; align-items: center; gap: var(--zk-space-md); margin-bottom: var(--zk-space-sm); flex-wrap: wrap; }
.zk-review-header .zk-star-rating { color: #F39C12; }
.zk-review-author { font-weight: 600; color: var(--zk-color-text); font-size: var(--zk-font-size-sm); }
.zk-review-date { font-size: var(--zk-font-size-sm); color: var(--zk-color-text-light); }
.zk-review-text { font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); line-height: 1.7; margin-bottom: 0; }

/* ========================================
   33f. Related Products & Pagination (Enhanced)
   ======================================== */
.zk-related-section { padding: var(--zk-space-2xl) 0 var(--zk-space-3xl); }

/* Pagination (Enhanced - matches list_product.html) */
.zk-page-item { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 36px; padding: 0 var(--zk-space-sm); border-radius: var(--zk-radius-sm); border: 1px solid #ddd; font-size: var(--zk-font-size-sm); font-weight: 500; color: var(--zk-color-text-muted); cursor: pointer; transition: all var(--zk-transition-fast); text-decoration: none; }
.zk-page-item:hover { border-color: var(--zk-color-primary); color: var(--zk-color-primary); }
a.zk-page-item:hover { border-color: var(--zk-color-primary); color: var(--zk-color-primary); }
.zk-page-active { background: var(--zk-color-primary); color: #fff; border-color: var(--zk-color-primary); cursor: default; }
.zk-page-active:hover { background: var(--zk-color-primary-dark); color: #fff; border-color: var(--zk-color-primary-dark); }
.zk-page-disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
.zk-page-dots { border: none; cursor: default; min-width: auto; padding: 0 var(--zk-space-xs); }
.zk-page-dots:hover { border: none; color: var(--zk-color-text-muted); }

/* ========================================
   33g. Missing CSS Class Definitions (Cross-reference Fix)
   ======================================== */

/* Top Bar Items */
.zk-topbar-item { display: flex; align-items: center; gap: var(--zk-space-xs); opacity: 0.8; }
.zk-topbar-divider { opacity: 0.3; margin: 0 var(--zk-space-xs); }

/* Social Links (Topbar & Footer) */
.zk-social-link { display: inline-flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.7); transition: color var(--zk-transition-fast); }
.zk-social-link:hover { color: #fff; }
.zk-topbar-right .zk-social-link { width: 28px; height: 28px; }

/* Navigation - Active State & Items */
.zk-nav-item { position: relative; }
.zk-nav-active { color: var(--zk-color-primary) !important; }
.zk-nav-active::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px; background: var(--zk-color-primary); }
.zk-nav-item.zk-has-mega { position: relative; }
.zk-nav-item.zk-has-mega:hover .zk-mega-menu { display: grid; }

/* Mega Menu - Title & Link */
.zk-mega-title { font-size: var(--zk-font-size-sm); font-weight: 700; margin-bottom: var(--zk-space-sm); color: var(--zk-color-text); }
.zk-mega-link { display: block; font-size: var(--zk-font-size-sm); color: var(--zk-color-text-muted); padding: 3px 0; transition: color var(--zk-transition-fast); }
.zk-mega-link:hover { color: var(--zk-color-primary); }

/* Search Form (Enhanced) */
.zk-search-form { display: flex; gap: var(--zk-space-sm); width: 100%; }
.zk-search-input { flex: 1; padding: 10px 16px; border: 1px solid #ddd; border-radius: var(--zk-radius-sm); font-size: var(--zk-font-size-sm); background: #fff; }
.zk-search-input:focus { outline: none; border-color: var(--zk-color-primary); }
.zk-search-btn { padding: 10px 24px; background: var(--zk-color-primary); color: #fff; border-radius: var(--zk-radius-sm); font-weight: 600; border: none; cursor: pointer; transition: background var(--zk-transition-fast); }
.zk-search-btn:hover { background: var(--zk-color-primary-dark); }

/* Mobile Drawer Links */
.zk-mobile-link { display: block; padding: var(--zk-space-md) 0; font-size: var(--zk-font-size-md); font-weight: 500; color: var(--zk-color-text); border-bottom: 1px solid #eee; transition: color var(--zk-transition-fast); }
.zk-mobile-link:hover { color: var(--zk-color-primary); }

/* Feature Item Wrapper */
.zk-feature-item { text-align: center; }

/* Product Card Action Buttons (Explicit Classes) */
.zk-product-quick-view, .zk-product-wishlist, .zk-product-add-cart { width: 40px; height: 40px; border-radius: 50%; background: #fff; display: flex; align-items: center; justify-content: center; transition: all var(--zk-transition-fast); border: none; cursor: pointer; color: var(--zk-color-text); }
.zk-product-quick-view:hover, .zk-product-wishlist:hover, .zk-product-add-cart:hover { background: var(--zk-color-primary); color: #fff; }
.zk-product-quick-view svg, .zk-product-wishlist svg, .zk-product-add-cart svg { width: 18px; height: 18px; }

/* Price Current (Standalone, outside detail page) */
.zk-price-current { font-size: var(--zk-font-size-md); font-weight: 700; color: var(--zk-color-primary-dark); }

/* Cart Items Container */
.zk-cart-items { overflow-x: auto; }

/* Cart Quantity Buttons (inside .zk-quantity-selector) */
.zk-qty-minus, .zk-qty-plus { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; background: var(--zk-color-bg-alt); font-size: 18px; color: var(--zk-color-text); border: none; cursor: pointer; transition: background var(--zk-transition-fast); }
.zk-qty-minus:hover, .zk-qty-plus:hover { background: #eee; }

/* Cart Clear Button */
.zk-cart-clear { color: var(--zk-color-accent); }
.zk-cart-clear:hover { color: var(--zk-color-accent-dark); text-decoration: underline; }

/* Coupon Apply Button */
.zk-coupon-apply { white-space: nowrap; }

/* Cart Value Spans */
.zk-cart-subtotal-val { font-weight: 500; }
.zk-cart-total-val { font-weight: 700; }

/* Auth Page Sections */
.zk-auth-login, .zk-auth-forgot { width: 100%; }
.zk-back-to-login { color: var(--zk-color-primary); font-size: var(--zk-font-size-sm); font-weight: 500; }
.zk-back-to-login:hover { text-decoration: underline; }

/* User Center Content */
.zk-uc-content { min-width: 0; }

/* Checkbox Input (inside .zk-checkbox-label) */
.zk-checkbox { width: 16px; height: 16px; accent-color: var(--zk-color-primary); cursor: pointer; }

/* ========================================
   34. Utilities & Animations
   ======================================== */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ========================================
   34. Responsive Breakpoints
   ======================================== */

/* Tablet Landscape */
@media (max-width: 1200px) {
  .zk-product-grid { grid-template-columns: repeat(3, 1fr); }
  .zk-product-grid-4 { grid-template-columns: repeat(3, 1fr); }
  .zk-product-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .zk-footer-cols { grid-template-columns: repeat(2, 1fr); }
  .zk-order-info-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Tablet Portrait */
@media (max-width: 992px) {
  .zk-hero-slide img { height: 400px; }
  .zk-hero-title { font-size: var(--zk-font-size-2xl); }
  .zk-categories-grid { grid-template-columns: repeat(2, 1fr); }
  .zk-product-grid { grid-template-columns: repeat(2, 1fr); }
  .zk-product-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .zk-product-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .zk-product-detail { grid-template-columns: 1fr; }
  .zk-detail-layout { grid-template-columns: 1fr; }
  .zk-gallery { position: static; }
  .zk-cart-layout { grid-template-columns: 1fr; }
  .zk-checkout-layout { grid-template-columns: 1fr; }
  .zk-contact-layout { grid-template-columns: 1fr; }
  .zk-shop-layout { grid-template-columns: 1fr; }
  .zk-shop-sidebar { display: none; }
  .zk-listing-layout { grid-template-columns: 1fr; }
  .zk-listing-sidebar { display: none; }
  .zk-mobile-filter-toggle { display: block; }
  .zk-features-grid { grid-template-columns: repeat(2, 1fr); }
  .zk-blog-grid { grid-template-columns: repeat(2, 1fr); }
  .zk-promo-grid { grid-template-columns: 1fr; }
  .zk-brands-grid { grid-template-columns: repeat(3, 1fr); }
  .zk-tabs-nav { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .zk-tab-btn { white-space: nowrap; padding: var(--zk-space-md) var(--zk-space-lg); font-size: var(--zk-font-size-xs); }
}

/* Mobile */
@media (max-width: 768px) {
  .zk-topbar-left span:last-child { display: none; }
  .zk-nav { display: none; }
  .zk-header-actions .zk-header-icon { display: none; }
  .zk-search-toggle { display: none; }
  .zk-mobile-toggle { display: flex; }
  .zk-hero-slide img { height: 350px; }
  .zk-hero-content { padding: var(--zk-space-xl); }
  .zk-hero-title { font-size: var(--zk-font-size-xl); }
  .zk-hero-subtitle { font-size: var(--zk-font-size-sm); }
  .zk-categories-grid { grid-template-columns: repeat(2, 1fr); }
  .zk-product-grid { grid-template-columns: repeat(2, 1fr); }
  .zk-product-grid-4, .zk-product-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .zk-section { padding: var(--zk-space-2xl) 0; }
  .zk-form-grid { grid-template-columns: 1fr; }
  .zk-uc-layout { grid-template-columns: 1fr; }
  .zk-uc-nav { flex-direction: row; overflow-x: auto; }
  .zk-uc-stats { grid-template-columns: 1fr; }
  .zk-address-grid { grid-template-columns: 1fr; }
  .zk-order-info-grid { grid-template-columns: 1fr; }
  .zk-order-addresses { grid-template-columns: 1fr; }
  .zk-newsletter-form { flex-direction: column; }
  .zk-cart-table thead { display: none; }
  .zk-cart-table tr { display: flex; flex-wrap: wrap; padding: var(--zk-space-md) 0; border-bottom: 1px solid #eee; }
  .zk-checkout-steps { flex-direction: column; align-items: center; gap: var(--zk-space-sm); }
  .zk-article-title { font-size: var(--zk-font-size-xl); }
  .zk-article-nav { flex-direction: column; gap: var(--zk-space-sm); }
  .zk-detail-title { font-size: var(--zk-font-size-xl); }
  .zk-detail-price .zk-price-current { font-size: var(--zk-font-size-xl); }
  .zk-detail-actions { flex-direction: column; }
  .zk-add-to-cart { min-width: auto; }
  .zk-listing-toolbar { flex-direction: column; gap: var(--zk-space-md); align-items: flex-start; }
  .zk-breadcrumb-nav { font-size: var(--zk-font-size-xs); }
  .zk-review-header { flex-direction: column; align-items: flex-start; gap: var(--zk-space-xs); }
}

/* Small Mobile */
@media (max-width: 576px) {
  .zk-hero-slide img { height: 280px; }
  .zk-hero-title { font-size: var(--zk-font-size-lg); }
  .zk-product-grid { grid-template-columns: 1fr; }
  .zk-product-grid-4, .zk-product-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .zk-categories-grid { grid-template-columns: 1fr; }
  .zk-blog-grid { grid-template-columns: 1fr; }
  .zk-features-grid { grid-template-columns: 1fr; }
  .zk-brands-grid { grid-template-columns: repeat(2, 1fr); }
  .zk-footer-cols { grid-template-columns: 1fr; }
  .zk-product-card-actions { opacity: 1; transform: translateY(0); }
  .zk-cart-product { flex-direction: column; align-items: flex-start; }
  .zk-gallery-thumbs { gap: 4px; }
  .zk-thumb { width: 60px; height: 60px; }
  .zk-tabs-nav { gap: 0; }
  .zk-tab-btn { padding: var(--zk-space-sm) var(--zk-space-md); font-size: var(--zk-font-size-xs); letter-spacing: 0; }
}