/* ========== MARKETPLACE STYLES ========== */

:root {
  --primary: #FF6B35;
  --primary-light: #FF8C5A;
  --primary-dark: #E05A2B;
  --primary-extra-light: #FFF3EF;
  
  --secondary: #4299E1;
  --success: #48BB78;
  --warning: #F6AD55;
  --error: #F56565;
  --info: #4299E1;
  
  --text-primary: #2D3748;
  --text-secondary: #4A5568;
  --text-tertiary: #718096;
  --text-quaternary: #A0AEC0;
  
  --background: #F7FAFC;
  --surface: #FFFFFF;
  --border: #E2E8F0;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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);
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.3s ease;
}

.loading-screen.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-content {
  text-align: center;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border);
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

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

/* Header Enhancements */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.wallet-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--primary-extra-light);
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  color: var(--primary-dark);
  font-weight: 600;
}

.wallet-display i {
  color: var(--primary);
}

.cart-btn {
  position: relative;
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

/* Main Container */
.marketplace-container {
  padding: 2rem 0;
  min-height: calc(100vh - 70px);
}

/* Marketplace Header */
.marketplace-header {
  text-align: center;
  margin-bottom: 3rem;
  padding: 2rem 0;
  background: linear-gradient(135deg, var(--primary-extra-light) 0%, var(--surface) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.header-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.marketplace-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.header-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-item i {
  color: var(--primary);
  font-size: 1.2rem;
}

/* Controls Section */
.marketplace-controls {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 2rem;
  margin-bottom: 2rem;
  align-items: center;
}

.search-bar {
  position: relative;
  max-width: 400px;
}

.search-bar i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
}

.search-bar input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: var(--transition);
}

.search-bar input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.filter-section {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

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

.sort-dropdown {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text-primary);
  cursor: pointer;
}

/* Featured Banner */
.featured-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 2rem;
  border-radius: var(--radius-lg);
  margin-bottom: 3rem;
  overflow: hidden;
  position: relative;
}

.featured-banner::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  transform: translate(30%, -30%);
}

.banner-content h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.banner-content p {
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.banner-image {
  font-size: 4rem;
  opacity: 0.3;
}

/* Products Section */
.products-section {
  margin-bottom: 3rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.section-header h2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
}

.section-header i {
  color: var(--primary);
}

.view-options {
  display: flex;
  gap: 0.5rem;
}

.view-btn {
  padding: 0.5rem;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

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

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.product-image {
  width: 100%;
  height: 200px;
  background: var(--primary-extra-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--primary);
  position: relative;
  overflow: hidden;
}

.product-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: left 0.5s;
}

.product-card:hover .product-image::before {
  left: 100%;
}

.product-badge {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--primary);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.product-badge.sale {
  background: var(--error);
}

.product-badge.new {
  background: var(--success);
}

.product-info {
  padding: 1.5rem;
}

.product-category {
  color: var(--text-tertiary);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.product-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.product-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.4;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.rating-stars {
  display: flex;
  gap: 0.1rem;
}

.rating-stars i {
  color: var(--warning);
  font-size: 0.9rem;
}

.rating-count {
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

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

.product-price {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.current-price {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.original-price {
  font-size: 1rem;
  color: var(--text-tertiary);
  text-decoration: line-through;
}

.add-to-cart {
  padding: 0.5rem 1rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.add-to-cart:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
}

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

.products-grid.list-view .product-card {
  display: flex;
  align-items: center;
}

.products-grid.list-view .product-image {
  width: 150px;
  height: 150px;
  flex-shrink: 0;
}

.products-grid.list-view .product-info {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.products-grid.list-view .product-details {
  flex: 1;
}

.products-grid.list-view .product-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1rem;
}

/* Load More */
.load-more-section {
  text-align: center;
  margin-top: 2rem;
}

/* Shopping Cart Sidebar */
.cart-sidebar {
  position: fixed;
  top: 0;
  right: -400px;
  width: 400px;
  height: 100vh;
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: right 0.3s ease;
  display: flex;
  flex-direction: column;
}

.cart-sidebar.open {
  right: 0;
}

.cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--primary-extra-light);
}

.cart-header h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  margin: 0;
}

.close-cart {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.close-cart:hover {
  background: rgba(0,0,0,0.05);
  color: var(--text-primary);
}

.cart-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.cart-items {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
}

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

.empty-cart i {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.cart-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

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

.cart-item-image {
  width: 60px;
  height: 60px;
  background: var(--primary-extra-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
}

.cart-item-details {
  flex: 1;
}

.cart-item-title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.cart-item-price {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

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

.quantity-btn {
  width: 25px;
  height: 25px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.8rem;
  transition: var(--transition);
}

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

.quantity-display {
  font-weight: 600;
  min-width: 30px;
  text-align: center;
}

.remove-item {
  background: none;
  border: none;
  color: var(--error);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.remove-item:hover {
  background: rgba(245, 101, 101, 0.1);
}

.cart-summary {
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--primary-extra-light);
}

.summary-line {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.summary-line.total {
 font-weight: 700;
 font-size: 1.1rem;
 color: var(--text-primary);
 margin-top: 1rem;
 padding-top: 1rem;
 border-top: 1px solid var(--border);
}

.checkout-btn {
 width: 100%;
 margin-top: 1rem;
 padding: 1rem;
 font-size: 1rem;
 font-weight: 600;
}

/* Modal Styles */
.modal-overlay {
 position: fixed;
 top: 0;
 left: 0;
 width: 100%;
 height: 100%;
 background: rgba(0, 0, 0, 0.5);
 display: flex;
 align-items: center;
 justify-content: center;
 z-index: 2000;
 opacity: 0;
 visibility: hidden;
 transition: all 0.3s ease;
}

.modal-overlay.active {
 opacity: 1;
 visibility: visible;
}

.modal-content {
 background: var(--surface);
 border-radius: var(--radius-lg);
 box-shadow: var(--shadow-lg);
 max-width: 500px;
 width: 90%;
 max-height: 80vh;
 overflow-y: auto;
 transform: scale(0.9);
 transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
 transform: scale(1);
}

.modal-header {
 display: flex;
 justify-content: space-between;
 align-items: center;
 padding: 1.5rem;
 border-bottom: 1px solid var(--border);
}

.modal-header h3 {
 margin: 0;
 color: var(--text-primary);
 display: flex;
 align-items: center;
 gap: 0.5rem;
}

.close-modal {
 background: none;
 border: none;
 font-size: 1.2rem;
 color: var(--text-secondary);
 cursor: pointer;
 padding: 0.5rem;
 border-radius: var(--radius-sm);
 transition: var(--transition);
}

.close-modal:hover {
 background: rgba(0,0,0,0.05);
 color: var(--text-primary);
}

.modal-body {
 padding: 1.5rem;
}

/* Checkout Modal */
.checkout-modal {
 max-width: 600px;
}

.checkout-content {
 display: flex;
 flex-direction: column;
 gap: 2rem;
}

.payment-info {
 background: var(--primary-extra-light);
 padding: 1.5rem;
 border-radius: var(--radius-md);
}

.payment-info h4 {
 margin-bottom: 1rem;
 color: var(--text-primary);
}

.payment-details {
 display: flex;
 flex-direction: column;
 gap: 0.75rem;
}

.balance-display,
.order-total,
.remaining-balance {
 display: flex;
 justify-content: space-between;
 align-items: center;
 padding: 0.5rem 0;
}

.balance-display {
 color: var(--primary);
 font-weight: 600;
}

.order-total {
 color: var(--text-primary);
 font-weight: 600;
 font-size: 1.1rem;
}

.remaining-balance {
 color: var(--success);
 font-weight: 600;
 border-top: 1px solid var(--border);
 margin-top: 0.5rem;
 padding-top: 1rem;
}

.order-items h4 {
 margin-bottom: 1rem;
 color: var(--text-primary);
}

.checkout-item {
 display: flex;
 justify-content: space-between;
 align-items: center;
 padding: 0.75rem 0;
 border-bottom: 1px solid var(--border);
}

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

.checkout-item-info {
 display: flex;
 flex-direction: column;
}

.checkout-item-title {
 font-weight: 600;
 color: var(--text-primary);
}

.checkout-item-quantity {
 color: var(--text-secondary);
 font-size: 0.9rem;
}

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

.checkout-actions {
 display: flex;
 gap: 1rem;
 justify-content: flex-end;
}

.checkout-actions .btn {
 min-width: 120px;
}

/* Success Message */
.success-message {
 position: fixed;
 top: 50%;
 left: 50%;
 transform: translate(-50%, -50%);
 background: var(--surface);
 border: 1px solid var(--success);
 border-radius: var(--radius-lg);
 padding: 2rem;
 box-shadow: var(--shadow-lg);
 z-index: 3000;
 opacity: 0;
 visibility: hidden;
 transition: all 0.3s ease;
}

.success-message.show {
 opacity: 1;
 visibility: visible;
}

.success-content {
 text-align: center;
}

.success-content i {
 font-size: 3rem;
 color: var(--success);
 margin-bottom: 1rem;
}

.success-content h3 {
 color: var(--text-primary);
 margin-bottom: 0.5rem;
}

.success-content p {
 color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
 .marketplace-controls {
   grid-template-columns: 1fr;
   gap: 1rem;
 }
 
 .filter-section {
   order: 3;
 }
 
 .sort-section {
   order: 2;
 }
 
 .featured-banner {
   flex-direction: column;
   text-align: center;
   gap: 1rem;
 }
 
 .banner-image {
   font-size: 2rem;
 }
 
 .products-grid {
   grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
   gap: 1rem;
 }
 
 .cart-sidebar {
   width: 100%;
   right: -100%;
 }
 
 .modal-content {
   width: 95%;
   margin: 1rem;
 }
 
 .checkout-actions {
   flex-direction: column;
 }
 
 .header-stats {
   gap: 1rem;
 }
 
 .nav-actions {
   flex-wrap: wrap;
   gap: 0.5rem;
 }
 
 .wallet-display {
   order: 3;
   width: 100%;
   justify-content: center;
 }
}

@media (max-width: 480px) {
 .marketplace-header {
   padding: 1rem;
 }
 
 .header-content h1 {
   font-size: 2rem;
 }
 
 .products-grid {
   grid-template-columns: 1fr;
 }
 
 .filter-section {
   flex-direction: column;
   gap: 0.5rem;
 }
 
 .filter-btn {
   justify-content: center;
 }
}

/* Button Base Styles (matching existing design) */
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 0.5rem;
 padding: 0.75rem 1.5rem;
 border: none;
 border-radius: var(--radius-md);
 font-size: 1rem;
 font-weight: 600;
 text-decoration: none;
 cursor: pointer;
 transition: var(--transition);
 outline: none;
}

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

.btn-primary:hover {
 background: var(--primary-dark);
 transform: translateY(-2px);
 box-shadow: var(--shadow-md);
}

.btn-secondary {
 background: var(--surface);
 color: var(--text-primary);
 border: 1px solid var(--border);
}

.btn-secondary:hover {
 border-color: var(--primary);
 background: var(--primary-extra-light);
 color: var(--primary-dark);
}

.back-link {
 display: flex;
 align-items: center;
 gap: 0.5rem;
 color: var(--text-secondary);
 text-decoration: none;
 font-weight: 500;
 transition: var(--transition);
}

.back-link:hover {
 color: var(--primary);
}

/* Animations */
@keyframes fadeInUp {
 from {
   opacity: 0;
   transform: translateY(20px);
 }
 to {
   opacity: 1;
   transform: translateY(0);
 }
}

.product-card {
 animation: fadeInUp 0.5s ease-out;
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.2s; }
.product-card:nth-child(3) { animation-delay: 0.3s; }
.product-card:nth-child(4) { animation-delay: 0.4s; }


/* Additional Modal Styles */
.modal-product-image {
  width: 100%;
  height: 200px;
  background: var(--primary-extra-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.modal-product-info {
  text-align: center;
}

.modal-product-info h2 {
  margin: 1rem 0;
  color: var(--text-primary);
}

.modal-product-info .product-description {
  margin: 1rem 0;
  line-height: 1.6;
}

.modal-product-info .product-price {
  margin: 1.5rem 0;
}

.add-to-cart-modal {
  width: 100%;
  max-width: 200px;
  margin: 0 auto;
}

/* Error Toast */
.error-toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--error);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Loading states */
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.btn .fa-spinner {
  animation: spin 1s linear infinite;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border: #000000;
    --text-secondary: #000000;
  }
}

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