/* CSS Variables */
:root {
  --primary-color: #E53E3E;
  --secondary-color: #2D3748;
  --background-color: #FFFFFF;
  --text-color: #2D3748;
  --text-light: #718096;
  --border-color: #E2E8F0;
  --hover-color: #F7FAFC;
  --success-color: #38A169;
  --warning-color: #D69E2E;
  --error-color: #E53E3E;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Vazirmatn', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* RTL Support */
[dir="rtl"] {
  font-family: 'Vazirmatn', 'Inter', sans-serif;
}

[dir="rtl"] .nav-menu {
  flex-direction: row-reverse;
}

[dir="rtl"] .header-actions {
  flex-direction: row-reverse;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
  line-height: 1.5;
}

/* Buttons */
.btn-primary {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  font-size: 1rem;
}

.btn-primary:hover {
  background-color: #C53030;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background-color: transparent;
  color: var(--secondary-color);
  border: 2px solid var(--secondary-color);
  padding: 10px 22px;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-secondary:hover {
  background-color: var(--secondary-color);
  color: white;
}

/* Header */
.header {
  background-color: white;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 20px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.nav-brand i {
  font-size: 1.8rem;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  background-color: var(--hover-color);
  color: var(--primary-color);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-toggle {
  background: none;
  border: 2px solid var(--border-color);
  padding: 8px 12px;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  color: var(--text-color);
  transition: var(--transition);
}

.lang-toggle:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.cart-btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 12px 16px;
  border-radius: var(--border-radius);
  cursor: pointer;
  position: relative;
  transition: var(--transition);
}

.cart-btn:hover {
  background-color: #C53030;
  transform: scale(1.05);
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--warning-color);
  color: white;
  font-size: 0.8rem;
  padding: 2px 6px;
  border-radius: 50%;
  min-width: 20px;
  text-align: center;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, #C53030 100%);
  color: white;
  padding: 4rem 0;
  text-align: center;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  animation: fadeInUp 0.8s ease;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero .btn-primary {
  background-color: white;
  color: var(--primary-color);
  font-size: 1.1rem;
  padding: 16px 32px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero .btn-primary:hover {
  background-color: var(--hover-color);
  transform: translateY(-3px);
}

/* Page Header */
.page-header {
  background-color: var(--hover-color);
  padding: 3rem 0;
  text-align: center;
}

.page-header h1 {
  color: var(--secondary-color);
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--text-light);
  font-size: 1.1rem;
}

/* Categories */
.categories {
  padding: 3rem 0;
}

.categories h2 {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--secondary-color);
}

.category-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.category-btn {
  background: none;
  border: 2px solid var(--border-color);
  padding: 12px 24px;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  color: var(--text-color);
  transition: var(--transition);
}

.category-btn:hover,
.category-btn.active {
  border-color: var(--primary-color);
  background-color: var(--primary-color);
  color: white;
}

/* Products Grid */
.products {
  padding: 3rem 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.product-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.product-image {
  width: 100%;
  height: 200px;
  background-color: var(--hover-color);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-info {
  padding: 1.5rem;
}

.product-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--secondary-color);
}

.product-price {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.product-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.add-to-cart {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.add-to-cart:hover {
  background-color: #C53030;
  transform: scale(1.05);
}

/* Filters */
.filters {
  background-color: var(--hover-color);
  padding: 2rem 0;
}

.filter-row {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.filter-group label {
  font-weight: 500;
  color: var(--secondary-color);
}

.filter-group select {
  padding: 8px 12px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  background: white;
  color: var(--text-color);
  cursor: pointer;
  transition: var(--transition);
}

.filter-group select:focus {
  outline: none;
  border-color: var(--primary-color);
}

/* Product Detail */
.breadcrumb {
  background-color: var(--hover-color);
  padding: 1rem 0;
}

.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-light);
}

.breadcrumb a {
  color: var(--primary-color);
  text-decoration: none;
}

.breadcrumb i {
  font-size: 0.8rem;
}

.product-detail {
  padding: 3rem 0;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.product-detail .product-image {
  height: 400px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.product-detail .product-info h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

.product-detail .product-price {
  font-size: 2rem;
  margin-bottom: 2rem;
}

.product-description {
  margin-bottom: 2rem;
  color: var(--text-light);
  line-height: 1.6;
}

.product-actions {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.quantity-selector {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.quantity-controls {
  display: flex;
  align-items: center;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.quantity-controls button {
  background-color: var(--hover-color);
  border: none;
  padding: 10px 15px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-color);
  transition: var(--transition);
}

.quantity-controls button:hover {
  background-color: var(--primary-color);
  color: white;
}

.quantity-controls input {
  border: none;
  padding: 10px;
  width: 60px;
  text-align: center;
  font-weight: 500;
}

.quantity-controls input:focus {
  outline: none;
}

/* Product Tabs */
.product-tabs {
  padding: 3rem 0;
  background-color: var(--hover-color);
}

.tab-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.tab-btn {
  background: none;
  border: none;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  color: var(--text-color);
  transition: var(--transition);
  border-bottom: 3px solid transparent;
}

.tab-btn.active,
.tab-btn:hover {
  background-color: white;
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-content {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 2rem;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.spec-item {
  display: flex;
  justify-content: space-between;
  padding: 1rem;
  background-color: var(--hover-color);
  border-radius: var(--border-radius);
}

.spec-label {
  font-weight: 600;
  color: var(--secondary-color);
}

.spec-value {
  color: var(--text-light);
}

.reviews-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.review-item {
  padding: 1.5rem;
  background-color: var(--hover-color);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.reviewer-name {
  font-weight: 600;
  color: var(--secondary-color);
}

.review-rating {
  color: var(--warning-color);
}

.review-text {
  color: var(--text-light);
  line-height: 1.6;
}

/* Cart */
.cart-section {
  padding: 3rem 0;
}

.cart-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
}

.cart-items {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.cart-item {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 100px 1fr auto auto auto;
  gap: 1.5rem;
  align-items: center;
}

.cart-item-image {
  width: 100px;
  height: 100px;
  background-color: var(--hover-color);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.cart-item-info h3 {
  margin-bottom: 0.5rem;
  color: var(--secondary-color);
}

.cart-item-info p {
  color: var(--text-light);
  margin: 0;
}

.cart-item-price {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-color);
}

.cart-item-quantity {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cart-item-remove {
  background-color: var(--error-color);
  color: white;
  border: none;
  padding: 10px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.cart-item-remove:hover {
  background-color: #C53030;
  transform: scale(1.1);
}

.empty-cart {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-light);
}

.empty-cart i {
  font-size: 4rem;
  margin-bottom: 1rem;
  color: var(--border-color);
}

.cart-summary {
  position: sticky;
  top: 100px;
  align-self: start;
}

.summary-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 2rem;
}

.summary-card h3 {
  margin-bottom: 1.5rem;
  color: var(--secondary-color);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.summary-row.total {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--secondary-color);
  border-top: 2px solid var(--border-color);
  padding-top: 1rem;
  margin-top: 1rem;
}

.checkout-btn {
  width: 100%;
  margin-top: 1.5rem;
  padding: 16px;
  font-size: 1.1rem;
}

/* Checkout */
.checkout-section {
  padding: 3rem 0;
}

.checkout-header {
  text-align: center;
  margin-bottom: 3rem;
}

.checkout-steps {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.5;
  transition: var(--transition);
}

.step.active {
  opacity: 1;
}

.step span {
  width: 40px;
  height: 40px;
  background-color: var(--border-color);
  color: var(--text-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  transition: var(--transition);
}

.step.active span {
  background-color: var(--primary-color);
  color: white;
}

.checkout-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
}

.checkout-form {
  position: relative;
}

.checkout-step {
  display: none;
}

.checkout-step.active {
  display: block;
}

.form-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 2rem;
}

.form-card h3 {
  margin-bottom: 1.5rem;
  color: var(--secondary-color);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--secondary-color);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
}

.otp-container {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin: 2rem 0;
}

.otp-input {
  width: 50px !important;
  height: 50px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 600;
  border: 2px solid var(--border-color) !important;
  border-radius: var(--border-radius);
}

.otp-input:focus {
  border-color: var(--primary-color) !important;
}

.order-summary .summary-card {
  margin-top: 0;
}

.order-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
}

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

.order-item-info {
  font-weight: 500;
  color: var(--secondary-color);
}

.order-item-price {
  font-weight: 600;
  color: var(--primary-color);
}

/* Blog */
.blog-posts {
  padding: 3rem 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.blog-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.blog-image {
  width: 100%;
  height: 200px;
  background-color: var(--hover-color);
  overflow: hidden;
}

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

.blog-card:hover .blog-image img {
  transform: scale(1.05);
}

.blog-content {
  padding: 1.5rem;
}

.blog-meta {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.blog-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

.blog-excerpt {
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.read-more {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.read-more:hover {
  color: #C53030;
}

/* Footer */
.footer {
  background-color: var(--secondary-color);
  color: white;
  padding: 3rem 0 1rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
  margin-bottom: 1rem;
  color: white;
}

.footer-section p,
.footer-section li {
  color: #A0AEC0;
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: #A0AEC0;
  text-decoration: none;
  transition: var(--transition);
}

.footer-section ul li a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #4A5568;
  padding-top: 1rem;
  text-align: center;
  color: #A0AEC0;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: white;
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-hover);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 300px;
  animation: slideInRight 0.3s ease;
}

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

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

.toast.warning {
  border-left: 4px solid var(--warning-color);
}

.toast-icon {
  font-size: 1.2rem;
}

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

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

.toast.warning .toast-icon {
  color: var(--warning-color);
}

.toast-message {
  flex: 1;
  font-weight: 500;
  color: var(--text-color);
}

.toast-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text-light);
  transition: var(--transition);
}

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

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(300px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .container {
    padding: 0 15px;
  }
  
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .cart-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .checkout-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .cart-summary {
    position: static;
  }
}

@media (max-width: 768px) {
  .header .container {
    flex-wrap: wrap;
    gap: 1rem;
  }
  
  .nav-menu {
    order: 3;
    width: 100%;
    justify-content: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-content p {
    font-size: 1rem;
  }
  
  .category-tabs {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 10px;
  }
  
  .products-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
  }
  
  .cart-item {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .checkout-steps {
    gap: 1rem;
  }
  
  .step {
    font-size: 0.9rem;
  }
  
  .blog-grid {
    grid-template-columns: 1fr;
  }
  
  .toast {
    min-width: 250px;
  }
  
  .toast-container {
    left: 20px;
    right: 20px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 2rem 0;
  }
  
  .hero-content h1 {
    font-size: 1.5rem;
  }
  
  .page-header {
    padding: 2rem 0;
  }
  
  .products,
  .categories,
  .blog-posts {
    padding: 2rem 0;
  }
  
  .product-card,
  .blog-card {
    margin: 0 10px;
  }
  
  .form-card {
    padding: 1rem;
  }
  
  .otp-container {
    gap: 0.5rem;
  }
  
  .otp-input {
    width: 40px !important;
    height: 40px;
    font-size: 1.2rem;
  }
}

/* RTL Specific Styles */
[dir="rtl"] .breadcrumb i {
  transform: scaleX(-1);
}

[dir="rtl"] .toast-container {
  left: 20px;
  right: auto;
}

[dir="rtl"] .toast {
  animation: slideInLeft 0.3s ease;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-300px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

[dir="rtl"] .cart-count {
  left: -8px;
  right: auto;
}

[dir="rtl"] .quantity-controls {
  flex-direction: row-reverse;
}

/* Loading States */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 200px;
  color: var(--text-light);
}

.loading::after {
  content: '';
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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