:root {
  /* ألوان فاتحة عصرية مبهرة */
  --color-white: #ffffff;
  --color-black: #1a1a1a;
  --color-light-bg: #f8f9fe;
  --color-lighter-bg: #ffffff;
  --color-primary: #4f46e5;
  --color-primary-hover: #4338ca;
  --color-primary-active: #3730a3;
  --color-primary-light: #eef2ff;
  --color-secondary: #ec4899;
  --color-secondary-hover: #db2777;
  --color-secondary-light: #fce7f3;
  --color-accent: #f59e0b;
  --color-accent-hover: #d97706;
  --color-accent-light: #fef3c7;
  --color-success: #10b981;
  --color-success-light: #d1fae5;
  --color-error: #ef4444;
  --color-error-light: #fee2e2;
  --color-warning: #f59e0b;
  --color-warning-light: #fef3c7;
  --color-info: #3b82f6;
  --color-info-light: #dbeafe;
  
  /* ألوان النصوص */
  --color-text-primary: #1f2937;
  --color-text-secondary: #6b7280;
  --color-text-tertiary: #9ca3af;
  --color-text-light: #ffffff;
  
  /* الحدود والظلال */
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  --color-border-dark: #d1d5db;
  
  /* تدرجات لونية جميلة */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-warm: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  --gradient-cool: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
  --gradient-sunset: linear-gradient(135deg, #ff6b6b 0%, #feca57 100%);
  --gradient-ocean: linear-gradient(135deg, #667eea 0%, #4facfe 100%);
  --gradient-fire: linear-gradient(135deg, #ff9a56 0%, #ff6a88 100%);
  
  /* Typography */
  --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  --font-family-mono: 'Courier New', Courier, monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.01em;
  
  /* Spacing */
  --space-0: 0;
  --space-1: 0.0625rem;
  --space-2: 0.125rem;
  --space-4: 0.25rem;
  --space-6: 0.375rem;
  --space-8: 0.5rem;
  --space-10: 0.625rem;
  --space-12: 0.75rem;
  --space-16: 1rem;
  --space-20: 1.25rem;
  --space-24: 1.5rem;
  --space-32: 2rem;
  --space-40: 2.5rem;
  --space-48: 3rem;
  --space-64: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-base: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;
  
  /* ظلال عصرية */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px rgba(79, 70, 229, 0.3);
  --shadow-glow-hover: 0 0 30px rgba(79, 70, 229, 0.5);
  
  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 350ms;
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
  
  /* توهجات ملونة للخلفية */
  --glow-purple: radial-gradient(circle at 20% 50%, rgba(147, 51, 234, 0.1) 0%, transparent 50%);
  --glow-blue: radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
  --glow-pink: radial-gradient(circle at 60% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
}

/* Base styles */
html {
  font-size: 16px;
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background: var(--color-light-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background: var(--color-light-bg);
  position: relative;
  overflow-x: hidden;
}

/* خلفية متحركة مبهرة */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    var(--glow-purple),
    var(--glow-blue),
    var(--glow-pink);
  animation: float 20s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
  opacity: 0.6;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, -50px) rotate(120deg); }
  66% { transform: translate(-20px, 20px) rotate(240deg); }
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  letter-spacing: var(--letter-spacing-tight);
}

h1 {
  font-size: var(--font-size-4xl);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-md); }

p {
  margin: 0 0 var(--space-16) 0;
  color: var(--color-text-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-standard);
  position: relative;
}

a:hover {
  color: var(--color-primary-hover);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-24);
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1.5;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-bounce);
  border: none;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--duration-slow) var(--ease-standard), 
              height var(--duration-slow) var(--ease-standard);
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-text-light);
}

.btn--secondary {
  background: var(--gradient-secondary);
  color: var(--color-text-light);
}

.btn--outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-text-light);
}

/* Form elements */
.form-control {
  display: block;
  width: 100%;
  padding: var(--space-12) var(--space-16);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-text-primary);
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-standard);
  box-shadow: var(--shadow-xs);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-light), var(--shadow-glow);
  transform: translateY(-1px);
}

/* Card component */
.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-smooth);
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--duration-normal) var(--ease-standard);
}

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

.card:hover::before {
  transform: scaleX(1);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: var(--space-20);
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(10px);
}

/* إعادة تعيين أساسية */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-base);
  background: var(--color-light-bg);
  min-height: 100vh;
  padding: var(--space-20);
  direction: rtl;
  color: var(--color-text-primary);
}

.container {
  max-width: var(--container-2xl);
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-2xl);
  padding: var(--space-48);
  box-shadow: var(--shadow-2xl);
  border: 1px solid var(--color-border-light);
  backdrop-filter: blur(20px);
}

h1 {
  text-align: center;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-48);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  animation: fadeInDown 0.6s var(--ease-smooth);
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.search-container {
  max-width: 700px;
  margin: 0 auto var(--space-48);
  animation: fadeIn 0.8s var(--ease-smooth);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

#search-input {
  width: 100%;
  padding: var(--space-16) var(--space-24);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-lg);
  font-family: var(--font-family-base);
  background: var(--color-white);
  color: var(--color-text-primary);
  transition: all var(--duration-normal) var(--ease-standard);
  box-shadow: var(--shadow-sm);
}

#search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-light), var(--shadow-glow);
  transform: translateY(-2px);
}

#search-input::placeholder {
  color: var(--color-text-tertiary);
}

#products-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-32);
  margin-top: var(--space-48);
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--color-border-light);
  transition: all var(--duration-normal) var(--ease-smooth);
  text-decoration: none;
  color: inherit;
  position: relative;
  cursor: pointer;
  animation: fadeInUp 0.6s var(--ease-smooth);
  animation-fill-mode: both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.15s; }
.product-card:nth-child(3) { animation-delay: 0.2s; }
.product-card:nth-child(4) { animation-delay: 0.25s; }
.product-card:nth-child(5) { animation-delay: 0.3s; }
.product-card:nth-child(6) { animation-delay: 0.35s; }

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--duration-normal) var(--ease-standard);
  z-index: 1;
}

.product-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: var(--shadow-2xl), var(--shadow-glow-hover);
  border-color: var(--color-primary-light);
}

.product-card:hover::before {
  transform: scaleX(1);
}

.card-badge-container {
  position: absolute;
  top: var(--space-16);
  right: var(--space-16);
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.discount-badge {
  background: var(--gradient-sunset);
  color: var(--color-white);
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  box-shadow: var(--shadow-lg);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.bestseller-badge {
  background: var(--gradient-fire);
  color: var(--color-white);
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  box-shadow: var(--shadow-lg);
  animation: pulse 2s infinite;
}

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

.card-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-secondary-light) 100%);
  position: relative;
}

.card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.05) 100%);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-standard);
}

.product-card:hover .card-image::after {
  opacity: 1;
}

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

.product-card:hover .card-image img {
  transform: scale(1.1) rotate(2deg);
}

.card-body {
  padding: var(--space-24);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  background: var(--color-white);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-16);
  line-height: var(--line-height-tight);
  min-height: 3em;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  transition: color var(--duration-normal) var(--ease-standard);
}

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

.card-rating {
  display: flex;
  align-items: center;
  gap: var(--space-10);
  margin-bottom: var(--space-16);
}

.stars {
  display: flex;
  gap: var(--space-4);
}

.star {
  color: var(--color-border-dark);
  font-size: var(--font-size-lg);
  transition: all var(--duration-fast) var(--ease-standard);
}

.star.filled {
  color: var(--color-accent);
  filter: drop-shadow(0 0 2px var(--color-accent));
}

.rating-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

.card-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  margin-bottom: var(--space-20);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.card-price-container {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  margin-bottom: var(--space-20);
}

.original-price {
  font-size: var(--font-size-base);
  color: var(--color-text-tertiary);
  text-decoration: line-through;
}

.sale-price {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-sunset);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: var(--space-20);
  border-top: 2px solid var(--color-border-light);
}

.shipping-info {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-size: var(--font-size-sm);
  color: var(--color-success);
  font-weight: var(--font-weight-semibold);
}

.shipping-info svg {
  width: 20px;
  height: 20px;
}

.view-btn {
  background: var(--gradient-primary);
  color: var(--color-white);
  border: none;
  padding: var(--space-12) var(--space-32);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-bounce);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.view-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--duration-slow) var(--ease-standard), 
              height var(--duration-slow) var(--ease-standard);
}

.view-btn:hover::before {
  width: 300px;
  height: 300px;
}

.view-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.view-btn:active {
  transform: translateY(-1px) scale(0.98);
}

.error-msg {
  text-align: center;
  color: var(--color-error);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  padding: var(--space-48);
  background: var(--color-error-light);
  border-radius: var(--radius-xl);
  border: 2px solid var(--color-error);
}

.cart-notification {
  position: fixed;
  top: var(--space-24);
  left: 50%;
  transform: translateX(-50%) translateY(-150px);
  background: var(--gradient-success);
  color: var(--color-white);
  padding: var(--space-20) var(--space-48);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-2xl);
  z-index: 10000;
  opacity: 0;
  transition: all var(--duration-slow) var(--ease-bounce);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
}

.cart-notification.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Utility classes */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: var(--space-4); }
.gap-8 { gap: var(--space-8); }
.gap-16 { gap: var(--space-16); }

/* Mobile Responsive */
@media (max-width: 768px) {
  body {
    padding: var(--space-12);
  }
  
  .container {
    padding: var(--space-24);
    border-radius: var(--radius-xl);
  }
  
  h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-32);
  }
  
  #products-container {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-24);
  }
  
  .card-image {
    height: 240px;
  }
}

@media (max-width: 480px) {
  body {
    padding: var(--space-8);
  }
  
  .container {
    padding: var(--space-20);
    border-radius: var(--radius-lg);
  }
  
  h1 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-24);
  }
  
  .search-container {
    margin-bottom: var(--space-32);
  }
  
  #search-input {
    padding: var(--space-12) var(--space-20);
    font-size: var(--font-size-base);
  }
  
  #products-container {
    grid-template-columns: 1fr;
    gap: var(--space-20);
    margin-top: var(--space-32);
  }
  
  .card-image {
    height: 220px;
  }
  
  .card-body {
    padding: var(--space-20);
  }
  
  .card-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-12);
  }
  
  .card-description {
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-16);
  }
  
  .card-footer {
    flex-direction: column;
    gap: var(--space-16);
    align-items: stretch;
  }
  
  .view-btn {
    width: 100%;
    justify-content: center;
  }
  
  .card-badge-container {
    top: var(--space-12);
    right: var(--space-12);
  }
  
  .discount-badge,
  .bestseller-badge {
    padding: var(--space-6) var(--space-12);
    font-size: var(--font-size-xs);
  }
}

/* Loading Animation */
@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

.loading {
  animation: shimmer 2s infinite;
  background: linear-gradient(
    90deg,
    var(--color-border-light) 0%,
    var(--color-border) 50%,
    var(--color-border-light) 100%
  );
  background-size: 1000px 100%;
}

/* Smooth Scrollbar */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--color-light-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gradient-secondary);
}

/* Selection */
::selection {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

::-moz-selection {
  background: var(--color-primary-light);
  color: var(--color-primary);
}