/* ==========================================================================
   ALEPPOGIFT - MAIN CSS FILE
   A comprehensive, modern CSS framework for the AleppoGift e-commerce site
   ========================================================================== */

/* ==========================================================================
   1. CSS RESET & BASE STYLES
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ==========================================================================
   2. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ========================================================================== */

:root {
  /* Primary Colors */
  --primary-50: #FEF3E7;
  --primary-100: #FDE4C4;
  --primary-200: #FCCC88;
  --primary-300: #FAB14B;
  --primary-400: #F7951D;
  --primary-500: #E67B2E; /* Main brand color */
  --primary-600: #C66524;
  --primary-700: #A3511D;
  --primary-800: #7F3F17;
  --primary-900: #5C2E11;

  /* Neutral Colors */
  --gray-50: #FAFBFC;
  --gray-100: #F4F6F8;
  --gray-200: #E9ECEF;
  --gray-300: #DEE2E6;
  --gray-400: #CED4DA;
  --gray-500: #ADB5BD;
  --gray-600: #6C757D;
  --gray-700: #495057;
  --gray-800: #343A40;
  --gray-900: #212529;

  /* Semantic Colors */
  --success-50: #F0FDF4;
  --success-500: #22C55E;
  --success-600: #16A34A;
  --success-700: #15803D;

  --warning-50: #FFFBEB;
  --warning-500: #F59E0B;
  --warning-600: #D97706;
  --warning-700: #B45309;

  --error-50: #FEF2F2;
  --error-500: #EF4444;
  --error-600: #DC2626;
  --error-700: #B91C1C;

  --info-50: #EFF6FF;
  --info-500: #3B82F6;
  --info-600: #2563EB;
  --info-700: #1D4ED8;

  /* Text Colors */
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-700);
  --text-muted: var(--gray-600);
  --text-inverse: #FFFFFF;

  /* Background Colors */
  --bg-primary: #FFFFFF;
  --bg-secondary: var(--gray-50);
  --bg-tertiary: var(--gray-100);
  --bg-overlay: rgba(0, 0, 0, 0.5);

  /* Border Colors */
  --border-primary: var(--gray-200);
  --border-secondary: var(--gray-300);
  --border-focus: var(--primary-500);

  /* Spacing Scale */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */

  /* Typography Scale */
  --text-xs: 0.75rem;    /* 12px */
  --text-sm: 0.875rem;   /* 14px */
  --text-base: 1rem;     /* 16px */
  --text-lg: 1.125rem;   /* 18px */
  --text-xl: 1.25rem;    /* 20px */
  --text-2xl: 1.5rem;    /* 24px */
  --text-3xl: 1.875rem;  /* 30px */
  --text-4xl: 2.25rem;   /* 36px */
  --text-5xl: 3rem;      /* 48px */

  /* Border Radius */
  --radius-sm: 0.25rem;  /* 4px */
  --radius: 0.5rem;      /* 8px */
  --radius-md: 0.75rem;  /* 12px */
  --radius-lg: 1rem;     /* 16px */
  --radius-xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;

  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;
}

/* ==========================================================================
   3. TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

h1 { font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl)); }
h2 { font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl)); }
h3 { font-size: clamp(var(--text-xl), 3vw, var(--text-3xl)); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--primary-700);
  text-decoration: underline;
}

/* ==========================================================================
   4. LAYOUT COMPONENTS
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.container-sm { max-width: 640px; }
.container-md { max-width: 768px; }
.container-lg { max-width: 1024px; }
.container-xl { max-width: 1600px; }
.container-xxl { max-width: 1800px; }

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 768px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Flexbox Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* ==========================================================================
   5. COMPONENTS
   ========================================================================== */

/* Cards */
.card {
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-body {
  padding: var(--space-6);
}

.card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-primary);
  background: var(--bg-secondary);
  font-weight: 600;
}

.card-footer {
  padding: var(--space-5) var(--space-6);
  border-top: 1px solid var(--border-primary);
  background: var(--bg-secondary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Button Variants */
.btn-primary {
  background: var(--primary-500);
  color: var(--text-inverse);
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-600);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--gray-200);
  color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--gray-300);
}

.btn-outline {
  background: transparent;
  color: var(--primary-600);
  border: 1px solid var(--primary-500);
}

.btn-outline:hover:not(:disabled) {
  background: var(--primary-500);
  color: var(--text-inverse);
}

.btn-success {
  background: var(--success-500);
  color: var(--text-inverse);
}

.btn-success:hover:not(:disabled) {
  background: var(--success-600);
}

.btn-warning {
  background: var(--warning-500);
  color: var(--text-inverse);
}

.btn-warning:hover:not(:disabled) {
  background: var(--warning-600);
}

.btn-error {
  background: var(--error-500);
  color: var(--text-inverse);
}

.btn-error:hover:not(:disabled) {
  background: var(--error-600);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn-full {
  width: 100%;
}

/* Form Elements */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(230, 123, 46, 0.1);
}

.form-input:invalid,
.form-select:invalid,
.form-textarea:invalid {
  border-color: var(--error-500);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Form Validation */
.form-error {
  color: var(--error-600);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}

.form-help {
  color: var(--text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}

/* Alerts */
.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius);
  border: 1px solid transparent;
  margin-bottom: var(--space-4);
}

.alert-success {
  background: var(--success-50);
  border-color: var(--success-200);
  color: var(--success-700);
}

.alert-warning {
  background: var(--warning-50);
  border-color: var(--warning-200);
  color: var(--warning-700);
}

.alert-error {
  background: var(--error-50);
  border-color: var(--error-200);
  color: var(--error-700);
}

.alert-info {
  background: var(--info-50);
  border-color: var(--info-200);
  color: var(--info-700);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary {
  background: var(--primary-100);
  color: var(--primary-700);
}

.badge-success {
  background: var(--success-100);
  color: var(--success-700);
}

.badge-warning {
  background: var(--warning-100);
  color: var(--warning-700);
}

.badge-error {
  background: var(--error-100);
  color: var(--error-700);
}

/* Loading States */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--gray-300);
  border-top-color: var(--primary-500);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ==========================================================================
   6. HEADER & NAVIGATION
   ========================================================================== */

/* Main Header Styles */
.header,
.modern-header,
.navbar {
  background: rgba(255, 255, 255, 0.98) !important;
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-primary);
  position: sticky !important;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.modern-header {
  padding: var(--space-2) 0 !important;
}

.navbar {
  padding: var(--space-4) 0;
  min-height: 70px;
}

/* Brand/Logo Styles */
.navbar-brand,
.modern-brand {
  display: flex !important;
  align-items: center;
  gap: var(--space-3);
  font-family: 'Playfair Display', serif;
  font-size: var(--text-2xl) !important;
  font-weight: 700;
  color: var(--primary-600) !important;
  text-decoration: none !important;
  transition: all var(--transition);
}

.navbar-brand:hover,
.modern-brand:hover {
  color: var(--primary-700) !important;
  text-decoration: none !important;
  transform: translateY(-1px);
}

.brand-logo {
  height: 45px !important;
  width: auto;
  border-radius: var(--radius);
  transition: transform var(--transition);
}

.navbar-brand:hover .brand-logo {
  transform: scale(1.05);
}

/* Navigation Links */
.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0 !important;
  padding: 0 !important;
}

.nav-item {
  margin: 0 !important;
}

.nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  font-size: var(--text-base);
  padding: var(--space-3) var(--space-4) !important;
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--primary-600) !important;
  text-decoration: none !important;
  background: var(--primary-50);
  transform: translateY(-1px);
}

.nav-link.active {
  color: var(--primary-600) !important;
  background: var(--primary-50);
}

/* Cart Button & Search Styles */
.cart-btn,
.cart-button-header,
.btn-outline-primary {
  position: relative !important;
  background: var(--primary-500) !important;
  color: var(--text-inverse) !important;
  border: 2px solid var(--primary-500) !important;
  padding: var(--space-3) var(--space-5) !important;
  border-radius: var(--radius-full) !important;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex !important;
  align-items: center;
  gap: var(--space-2);
}

.cart-btn:hover,
.cart-button-header:hover,
.btn-outline-primary:hover {
  background: var(--primary-600) !important;
  border-color: var(--primary-600) !important;
  color: var(--text-inverse) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline-secondary {
  background: transparent !important;
  color: var(--text-secondary) !important;
  border: 2px solid var(--border-secondary) !important;
  padding: var(--space-2) var(--space-4) !important;
  border-radius: var(--radius) !important;
  transition: all var(--transition);
}

.btn-outline-secondary:hover {
  background: var(--gray-100) !important;
  border-color: var(--gray-400) !important;
  color: var(--text-primary) !important;
}

.cart-badge,
.cart-count-badge,
.badge {
  position: absolute !important;
  top: -8px !important;
  right: -8px !important;
  background: var(--error-500) !important;
  color: var(--text-inverse) !important;
  font-size: var(--text-xs) !important;
  font-weight: 600 !important;
  padding: 2px 6px !important;
  border-radius: var(--radius-full) !important;
  min-width: 20px;
  text-align: center;
  border: 2px solid white;
}

.cart-badge-mobile {
  position: relative !important;
  top: auto !important;
  right: auto !important;
  margin-left: var(--space-2);
}

/* Mobile Cart Button */
.cart-button-mobile {
  width: 44px !important;
  height: 44px !important;
  padding: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  border-radius: var(--radius-full) !important;
}

.cart-button-mobile .badge {
  font-size: 10px !important;
  min-width: 16px !important;
  height: 16px !important;
  padding: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

/* Mobile Menu & Search */
.mobile-menu-toggle,
.navbar-toggler,
.modern-toggler {
  display: none;
  background: none !important;
  border: none !important;
  font-size: var(--text-xl);
  color: var(--text-primary) !important;
  cursor: pointer;
  padding: var(--space-2) !important;
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
}

.navbar-toggler:hover,
.modern-toggler:hover {
  background: var(--gray-100) !important;
}

.navbar-toggler-icon {
  background-image: none !important;
  position: relative;
  width: 24px;
  height: 24px;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after,
.navbar-toggler-icon {
  content: '';
  position: absolute;
  width: 24px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.navbar-toggler-icon::before {
  top: -8px;
}

.navbar-toggler-icon::after {
  top: 8px;
}

/* Search Bar Styles */
#search-bar {
  z-index: calc(var(--z-sticky) + 1) !important;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  border-top: none;
}

.form-control {
  border: 2px solid var(--border-primary) !important;
  border-radius: var(--radius) !important;
  padding: var(--space-3) var(--space-4) !important;
  font-size: var(--text-base);
  transition: all var(--transition);
}

.form-control:focus {
  border-color: var(--primary-500) !important;
  box-shadow: 0 0 0 3px rgba(230, 123, 46, 0.1) !important;
  outline: none;
}

.btn-primary {
  background: var(--primary-500) !important;
  border-color: var(--primary-500) !important;
  color: var(--text-inverse) !important;
  padding: var(--space-3) var(--space-5) !important;
  border-radius: var(--radius) !important;
  font-weight: 500;
  transition: all var(--transition);
}

.btn-primary:hover {
  background: var(--primary-600) !important;
  border-color: var(--primary-600) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-light {
  background: var(--gray-100) !important;
  border-color: var(--gray-300) !important;
  color: var(--text-secondary) !important;
}

.btn-light:hover {
  background: var(--gray-200) !important;
  border-color: var(--gray-400) !important;
}

@media (max-width: 768px) {
  .mobile-menu-toggle,
  .navbar-toggler,
  .modern-toggler {
    display: block !important;
  }

  .navbar-nav {
    display: none !important;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-primary);
    flex-direction: column !important;
    padding: var(--space-4);
    gap: var(--space-3);
    box-shadow: var(--shadow-lg);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }

  .navbar-nav.show {
    display: flex !important;
  }

  .nav-link {
    width: 100%;
    text-align: left;
    padding: var(--space-4) !important;
    border-radius: var(--radius);
  }

  .navbar-brand {
    font-size: var(--text-xl) !important;
  }

  .brand-logo {
    height: 35px !important;
  }
}

/* ==========================================================================
   6.5. HERO SECTION & BRANDING
   ========================================================================== */

.hero-section,
.modern-hero {
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--gray-50) 100%);
  padding: var(--space-16) 0;
  border-radius: var(--radius-lg);
  margin: var(--space-8) 0;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background: var(--primary-500);
  color: var(--text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
  animation: float 3s ease-in-out infinite;
}

.hero-title {
  font-family: 'Playfair Display', serif !important;
  font-size: clamp(var(--text-3xl), 6vw, var(--text-5xl)) !important;
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  margin-bottom: var(--space-4) !important;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  line-height: 1.6;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.btn-hero {
  padding: var(--space-4) var(--space-8) !important;
  font-size: var(--text-lg) !important;
  font-weight: 600 !important;
  border-radius: var(--radius-lg) !important;
  transition: all var(--transition);
  text-decoration: none !important;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.btn-hero:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.hero-decoration {
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, var(--primary-200), var(--primary-300));
  border-radius: 50%;
  opacity: 0.1;
  transform: translate(50%, -50%);
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* Brand Section */
.brand-title {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: var(--text-base);
}

.brand-title a {
  color: var(--primary-600) !important;
  text-decoration: none !important;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.brand-title a:hover {
  background: var(--primary-50);
  color: var(--primary-700) !important;
}

/* ==========================================================================
   6.6. FILTER SECTION
   ========================================================================== */

.filter-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.filter-title {
  font-family: 'Playfair Display', serif;
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.filter-subtitle {
  color: var(--text-secondary);
  font-size: var(--text-lg);
  margin: 0;
}

.modern-filter-form {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-primary);
  margin-bottom: var(--space-8);
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  align-items: end;
}

.filter-group {
  display: flex;
  flex-direction: column;
}

.filter-label {
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.modern-select,
.form-control {
  background: var(--bg-primary) !important;
  border: 2px solid var(--border-primary) !important;
  border-radius: var(--radius) !important;
  padding: var(--space-3) var(--space-4) !important;
  font-size: var(--text-base);
  color: var(--text-primary) !important;
  transition: all var(--transition);
}

.modern-select:focus,
.form-control:focus {
  border-color: var(--primary-500) !important;
  box-shadow: 0 0 0 3px rgba(230, 123, 46, 0.1) !important;
  outline: none;
}

/* ==========================================================================
   7. PRODUCT COMPONENTS
   ========================================================================== */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-12);
  padding: var(--space-4) 0;
}

.product-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  overflow: hidden;
  border: 1px solid var(--border-primary);
}

.product-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-8px);
  border-color: var(--primary-200);
}

.product-image {
  position: relative;
  width: 100%;
  height: 250px;
  overflow: hidden;
  background: var(--gray-100);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-image img {
  transform: scale(1.08);
}

/* Product Overlay */
.product-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  opacity: 0;
  transition: all var(--transition);
  z-index: 2;
}

.product-card:hover .product-overlay {
  opacity: 1;
}

.product-overlay .quick-view-btn,
.product-overlay .btn-wishlist {
  width: 44px;
  height: 44px;
  background: var(--bg-primary);
  border: none;
  border-radius: 50%;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-base);
  transform: translateY(10px);
}

.product-card:hover .product-overlay .quick-view-btn,
.product-card:hover .product-overlay .btn-wishlist {
  transform: translateY(0);
}

.product-overlay .quick-view-btn:hover {
  background: var(--primary-500);
  color: var(--text-inverse);
  transform: scale(1.1);
}

.product-overlay .btn-wishlist:hover {
  background: var(--error-500);
  color: var(--text-inverse);
  transform: scale(1.1);
}

.product-badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: var(--error-500);
  color: var(--text-inverse);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  z-index: 3;
}

.badge-featured {
  background: var(--primary-500) !important;
}

.product-content {
  padding: var(--space-5);
}

.product-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-clamp: 2;
  overflow: hidden;
}

.product-price {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--primary-600);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.product-price-old {
  font-size: var(--text-base);
  color: var(--text-muted);
  text-decoration: line-through;
  font-weight: 400;
}

.product-actions {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.add-to-cart-btn {
  flex: 1;
  background: var(--primary-500) !important;
  color: var(--text-inverse) !important;
  border: none !important;
  padding: var(--space-3) var(--space-4) !important;
  border-radius: var(--radius) !important;
  font-weight: 500;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.add-to-cart-btn:hover {
  background: var(--primary-600) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Enhanced Add to Cart Button */
.btn-add-cart {
  flex: 1;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600)) !important;
  color: var(--text-inverse) !important;
  border: none !important;
  padding: var(--space-3) var(--space-5) !important;
  border-radius: var(--radius-lg) !important;
  font-weight: 600;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(230, 123, 46, 0.2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  min-height: 44px;
}

.btn-add-cart::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn-add-cart:hover {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700)) !important;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px rgba(230, 123, 46, 0.4);
}

.btn-add-cart:hover::before {
  left: 100%;
}

.btn-add-cart:active {
  transform: translateY(0) scale(0.98);
  transition: transform 0.1s ease;
}

.btn-add-cart:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(230, 123, 46, 0.3);
}

.btn-add-cart i {
  font-size: 1.1em;
  transition: transform 0.3s ease;
}

.btn-add-cart:hover i {
  transform: scale(1.1);
}

.btn-add-cart span {
  font-weight: 600;
}

/* Loading state for add to cart button */
.btn-add-cart.loading {
  opacity: 0.8;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-add-cart.loading i {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Success state animation */
.btn-add-cart.success {
  background: linear-gradient(135deg, var(--success-500), var(--success-600)) !important;
  animation: successPulse 0.6s ease-out;
}

@keyframes successPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.quick-view-btn {
  background: var(--gray-100);
  color: var(--text-secondary);
  border: 1px solid var(--border-primary);
  padding: var(--space-3);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.quick-view-btn:hover {
  background: var(--gray-200);
  color: var(--text-primary);
}

/* Responsive Product Grid */
@media (max-width: 640px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  
  .product-image {
    height: 180px;
  }
  
  .product-content {
    padding: var(--space-4);
  }
  
  .product-title {
    font-size: var(--text-base);
  }
  
  .product-price {
    font-size: var(--text-lg);
  }
}

@media (max-width: 480px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .product-image {
    height: 200px;
  }
}

.product-content {
  padding: var(--space-5);
}

.product-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.product-price {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--primary-600);
  margin-bottom: var(--space-4);
}

.product-price-old {
  font-size: var(--text-base);
  color: var(--text-muted);
  text-decoration: line-through;
  margin-left: var(--space-2);
}

.product-actions {
  display: flex;
  gap: var(--space-3);
}

/* ==========================================================================
   8. CART & CHECKOUT COMPONENTS
   ========================================================================== */

/* Cart Preview Styles */
.cart-preview {
  position: fixed !important;
  top: 80px !important;
  right: var(--space-4) !important;
  width: 380px;
  max-width: 90vw;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-primary);
  z-index: calc(var(--z-dropdown) + 10);
  transform: translateY(-10px);
  opacity: 0;
  transition: all var(--transition);
}

.cart-preview.show {
  opacity: 1;
  transform: translateY(0);
}

.cart-preview .card-body {
  padding: var(--space-5) !important;
}

.cart-preview .card-title {
  font-size: var(--text-lg) !important;
  font-weight: 600 !important;
  color: var(--text-primary) !important;
  margin-bottom: var(--space-4) !important;
}

.btn-close {
  background: none !important;
  border: none !important;
  font-size: var(--text-lg);
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition);
}

.btn-close:hover {
  color: var(--text-primary);
}

/* Cart Items */
.cart-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-primary);
  transition: background var(--transition);
}

.cart-item:hover {
  background: var(--bg-secondary);
}

.cart-item:last-child {
  border-bottom: none;
}

.cart-item-image {
  width: 60px;
  height: 60px;
  border-radius: var(--radius);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--gray-100);
}

.cart-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item-details {
  flex: 1;
  min-width: 0;
}

.cart-item-title {
  font-weight: 600;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-clamp: 2;
  overflow: hidden;
}

.cart-item-price {
  color: var(--primary-600);
  font-weight: 600;
  font-size: var(--text-sm);
}

.quantity-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: var(--space-2) 0;
}

.quantity-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-200);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  font-size: var(--text-xs);
  font-weight: 600;
}

.quantity-btn:hover {
  background: var(--gray-300);
  transform: scale(1.05);
}

.quantity-input {
  width: 50px;
  text-align: center;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius);
  padding: var(--space-1);
  font-size: var(--text-sm);
  background: var(--bg-primary);
}

/* Cart Actions */
.d-grid {
  display: grid !important;
}

.gap-2 {
  gap: var(--space-2) !important;
}

.btn-success {
  background: var(--success-500) !important;
  border-color: var(--success-500) !important;
  color: var(--text-inverse) !important;
  padding: var(--space-3) var(--space-4) !important;
  border-radius: var(--radius) !important;
  font-weight: 500;
  transition: all var(--transition);
  text-decoration: none !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-success:hover {
  background: var(--success-600) !important;
  border-color: var(--success-600) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Offcanvas Styles */
.offcanvas {
  border: none !important;
  box-shadow: var(--shadow-xl);
}

.offcanvas-header {
  background: var(--primary-500) !important;
  color: var(--text-inverse) !important;
  padding: var(--space-5) !important;
}

.offcanvas-title {
  font-size: var(--text-lg) !important;
  font-weight: 600 !important;
}

.btn-close-white {
  filter: invert(1) !important;
}

.offcanvas-body {
  padding: 0 !important;
}

#cartOffcanvas .cart-preview {
  position: static !important;
  width: 100% !important;
  box-shadow: none !important;
  border: none !important;
  border-radius: 0 !important;
}

/* ==========================================================================
   9. FOOTER
   ========================================================================== */

.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--space-12) 0 var(--space-6);
  margin-top: var(--space-20);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-section h3 {
  color: var(--text-inverse);
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: var(--gray-400);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--primary-400);
  text-decoration: none;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--gray-700);
  color: var(--gray-500);
}

/* ==========================================================================
   10. UTILITY CLASSES
   ========================================================================== */

/* Spacing */
.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

/* Text */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }

.text-primary { color: var(--primary-600); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success-600); }
.text-warning { color: var(--warning-600); }
.text-error { color: var(--error-600); }

.font-bold { font-weight: 600; }
.font-semibold { font-weight: 500; }
.font-normal { font-weight: 400; }

/* Display */
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.sticky { position: sticky; }

/* Width */
.w-full { width: 100%; }
.w-auto { width: auto; }

/* Height */
.h-auto { height: auto; }

/* Rounded */
.rounded { border-radius: var(--radius); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadow */
.shadow { box-shadow: var(--shadow); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* ==========================================================================
   11. RESPONSIVE DESIGN & BOOTSTRAP OVERRIDES
   ========================================================================== */

/* Bootstrap Container Overrides */
.container,
.container-fluid {
  max-width: 1600px !important;
  margin: 0 auto !important;
  padding-left: var(--space-4) !important;
  padding-right: var(--space-4) !important;
}

.container-sm { max-width: 640px !important; }
.container-md { max-width: 768px !important; }
.container-lg { max-width: 1024px !important; }
.container-xl { max-width: 1600px !important; }
.container-xxl { max-width: 1800px !important; }

/* Bootstrap Utility Overrides */
.py-3 { padding-top: var(--space-6) !important; padding-bottom: var(--space-6) !important; }
.px-4 { padding-left: var(--space-4) !important; padding-right: var(--space-4) !important; }
.my-4 { margin-top: var(--space-8) !important; margin-bottom: var(--space-8) !important; }
.mb-3 { margin-bottom: var(--space-6) !important; }
.mb-4 { margin-bottom: var(--space-8) !important; }
.mb-5 { margin-bottom: var(--space-10) !important; }
.mt-2 { margin-top: var(--space-4) !important; }
.me-2 { margin-right: var(--space-4) !important; }
.me-4 { margin-right: var(--space-8) !important; }
.ms-2 { margin-left: var(--space-4) !important; }
.ms-auto { margin-left: auto !important; }

/* Bootstrap Grid Overrides */
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }
.d-block { display: block !important; }
.d-none { display: none !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }

.flex-column { flex-direction: column !important; }
.align-items-center { align-items: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-center { justify-content: center !important; }

.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }
.position-sticky { position: sticky !important; }

.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }

.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }

.text-muted { color: var(--text-muted) !important; }

/* Bootstrap Card Overrides */
.card {
  background: var(--bg-primary) !important;
  border: 1px solid var(--border-primary) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-sm) !important;
}

.card-body {
  padding: var(--space-6) !important;
}

.card-title {
  font-weight: 600 !important;
  color: var(--text-primary) !important;
  margin-bottom: var(--space-4) !important;
}

/* Bootstrap Shadow Classes */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

/* Bootstrap Background Classes */
.bg-white { background: var(--bg-primary) !important; }
.bg-primary { background: var(--primary-500) !important; }
.bg-danger { background: var(--error-500) !important; }

/* Responsive Breakpoints */
@media (max-width: 640px) {
  .container,
  .container-fluid {
    padding-left: var(--space-3) !important;
    padding-right: var(--space-3) !important;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .cart-item {
    flex-direction: column;
    align-items: flex-start;
    text-align: center;
  }

  .btn-lg {
    padding: var(--space-3) var(--space-6) !important;
    font-size: var(--text-base) !important;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn-hero {
    width: 100%;
    justify-content: center;
  }

  .filter-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .cart-preview {
    width: calc(100vw - var(--space-8)) !important;
    right: var(--space-4) !important;
    left: var(--space-4) !important;
  }
}

@media (max-width: 768px) {
  :root {
    --space-4: 0.875rem;
    --space-6: 1.25rem;
    --space-8: 1.75rem;
  }

  .navbar {
    padding: var(--space-3) 0 !important;
    min-height: 60px;
  }

  h1 { font-size: var(--text-3xl) !important; }
  h2 { font-size: var(--text-2xl) !important; }
  h3 { font-size: var(--text-xl) !important; }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .hero-section {
    padding: var(--space-12) 0;
  }

  .hero-title {
    font-size: var(--text-3xl) !important;
  }

  .hero-subtitle {
    font-size: var(--text-base);
  }

  /* Mobile-specific utility classes - show elements that should be visible on small screens */
  .d-md-none { display: block !important; }
}

@media (min-width: 768px) {
  /* Hide elements on medium+ screens that should only show on mobile */
  .d-md-none { display: none !important; }
  .d-md-inline { display: inline !important; }
  .d-md-block { display: block !important; }
}

/* Large screens */
@media (min-width: 1200px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .container,
  .container-fluid {
    max-width: 1400px !important;
  }
}

/* ==========================================================================
   12. ACCESSIBILITY
   ========================================================================== */

/* Focus styles */
*:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --border-primary: var(--gray-800);
    --shadow: none;
    --shadow-md: none;
    --shadow-lg: none;
  }
}

/* ==========================================================================
   14. TOAST NOTIFICATIONS & INTERACTIVE ELEMENTS
   ========================================================================== */

/* Toast Notifications */
.toast-notification {
  position: fixed;
  top: var(--space-8);
  right: var(--space-8);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-primary);
  padding: var(--space-4) var(--space-6);
  z-index: calc(var(--z-toast));
  transform: translateX(400px);
  opacity: 0;
  transition: all var(--transition-slow);
  max-width: 400px;
}

.toast-notification.show {
  transform: translateX(0);
  opacity: 1;
}

.toast-content {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 500;
  color: var(--text-primary);
}

.toast-success {
  border-left: 4px solid var(--success-500);
}

.toast-success .toast-content {
  color: var(--success-700);
}

.toast-error {
  border-left: 4px solid var(--error-500);
}

.toast-error .toast-content {
  color: var(--error-700);
}

.toast-info {
  border-left: 4px solid var(--info-500);
}

.toast-info .toast-content {
  color: var(--info-700);
}

/* Loading States */
.btn.loading {
  position: relative;
  color: transparent !important;
}

.btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Hamburger Menu Animation */
.navbar-toggler-icon.active::before {
  transform: rotate(45deg);
  top: 0;
}

.navbar-toggler-icon.active::after {
  transform: rotate(-45deg);
  top: 0;
}

.navbar-toggler-icon.active {
  background: transparent;
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 50px;
  height: 50px;
  background: var(--primary-500);
  color: var(--text-inverse);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
  z-index: var(--z-fixed);
  transform: translateY(100px);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
}

.scroll-to-top.show {
  transform: translateY(0);
  opacity: 1;
}

.scroll-to-top:hover {
  background: var(--primary-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Enhanced Hover Effects */
.product-card,
.card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover {
  transform: translateY(-8px) scale(1.02);
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

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

.skeleton-text {
  height: 1em;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-text.medium {
  width: 80%;
}

.skeleton-text.long {
  width: 100%;
}

/* Mobile Touch Improvements */
@media (max-width: 768px) {
  .btn,
  .card,
  .nav-link {
    min-height: 44px; /* Minimum touch target size */
  }
  
  .product-card:active {
    transform: scale(0.98);
  }
  
  .toast-notification {
    right: var(--space-4);
    left: var(--space-4);
    max-width: none;
  }
  
  .scroll-to-top {
    bottom: var(--space-6);
    right: var(--space-6);
    width: 45px;
    height: 45px;
  }
  
  /* Enhanced mobile add to cart button */
  .btn-add-cart {
    padding: var(--space-4) var(--space-4) !important;
    font-size: var(--text-xs);
    min-height: 44px;
    letter-spacing: 0.3px;
  }
  
  .btn-add-cart span {
    display: none; /* Hide text on very small screens */
  }
  
  .btn-add-cart i {
    font-size: 1.2em;
    margin: 0 !important;
  }
}

@media (max-width: 480px) {
  .btn-add-cart {
    padding: var(--space-3) var(--space-3) !important;
    border-radius: var(--radius) !important;
  }
}

/* Medium screens - show abbreviated text */
@media (min-width: 481px) and (max-width: 640px) {
  .btn-add-cart span {
    display: inline;
  }
  
  .btn-add-cart span::after {
    content: "Add";
  }
  
  .btn-add-cart span {
    font-size: 0; /* Hide original text */
  }
}

/* High Performance Animations */
.product-image img,
.card,
.btn {
  will-change: transform;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .product-card:hover {
    transform: none;
  }
  
  .toast-notification {
    transition: opacity 0.3s ease;
  }
  
  .skeleton {
    animation: none;
    background: var(--gray-200);
  }
}

/* Focus Improvements */
.btn:focus-visible,
.form-control:focus-visible,
.nav-link:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(230, 123, 46, 0.2);
}

/* Dark Mode Preparation */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #999999;
    --border-primary: #404040;
    --border-secondary: #505050;
  }
}

/* Print Optimizations */
@media print {
  .toast-notification,
  .scroll-to-top,
  .cart-preview,
  #search-bar {
    display: none !important;
  }
}