:root {
  --color-primary: #6a11cb;
  --color-primary-light: #8a2be2;
  --color-primary-dark: #5a0cb3;
  --color-secondary: #2575fc;
  --color-accent: #ff6b6b;
  --color-accent-light: #ff9e9e;
  
  --gradient-primary: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  --gradient-secondary: linear-gradient(135deg, #7d2ae8 0%, #ff6b6b 100%);
  --gradient-accent: linear-gradient(135deg, #8a2be2 0%, #2575fc 100%);
  --gradient-light: linear-gradient(135deg, rgba(106, 17, 203, 0.1) 0%, rgba(37, 117, 252, 0.1) 100%);
  
  --color-white: #ffffff;
  --color-white-95: rgba(255, 255, 255, 0.95);
  --color-white-90: rgba(255, 255, 255, 0.9);
  --color-white-80: rgba(255, 255, 255, 0.8);
  --color-white-60: rgba(255, 255, 255, 0.6);
  --color-white-40: rgba(255, 255, 255, 0.4);
  --color-white-20: rgba(255, 255, 255, 0.2);
  --color-white-10: rgba(255, 255, 255, 0.1);
  
  --color-black: #000000;
  --color-gray-900: #1a1a2e;
  --color-gray-800: #2d3748;
  --color-gray-700: #9373ff;
  --color-gray-600: #718096;
  --color-gray-500: #a0aec0;
  --color-gray-400: #cbd5e0;
  --color-gray-300: #e2e8f0;
  --color-gray-200: #edf2f7;
  --color-gray-100: #f7fafc;
  --color-gray-50: #f8fafc;
  
  --bg-primary: var(--color-white);
  --bg-secondary: var(--color-gray-50);
  --bg-tertiary: var(--color-gray-100);
  --bg-card: var(--color-white-95);
  --bg-overlay: rgba(26, 26, 46, 0.8);
  
  --text-primary: var(--color-gray-900);
  --text-secondary: var(--color-gray-700);
  --text-tertiary: var(--color-gray-600);
  --text-light: var(--color-white);
  --text-accent: var(--color-primary);
  
  --border-color: var(--color-gray-200);
  --border-light: var(--color-white-20);
  --border-hover: var(--color-primary-light);
  
  --accent-color: var(--color-primary);
  --accent-hover: var(--color-primary-dark);
  
  --shadow-sm: 0 2px 4px rgba(106, 17, 203, 0.08);
  --shadow-md: 0 4px 12px rgba(106, 17, 203, 0.12);
  --shadow-lg: 0 8px 24px rgba(106, 17, 203, 0.16);
  --shadow-xl: 0 16px 40px rgba(106, 17, 203, 0.2);
  --shadow-neon: 0 0 20px rgba(138, 43, 226, 0.4);
  --shadow-neon-hover: 0 0 30px rgba(138, 43, 226, 0.6);
  
  --spacing-0: 0;
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  --spacing-32: 8rem;
  
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global font size reduction */
html {
  font-size: 14px;
}

body {
  font-size: 0.875rem;
}

.products-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-8) var(--spacing-6);
  min-height: calc(100vh - 200px);
}

.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-32) 0;
  text-align: center;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--color-gray-200);
  border-top: 3px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-4);
}

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

.loading-container p {
  color: var(--text-secondary);
  font-size: 0.75rem;
}

.product-container {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--spacing-8);
  align-items: start;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

@media (max-width: 1024px) {
  .product-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }
}

.product-main {
  padding: var(--spacing-8);
  position: relative;
}

.product-header {
  margin-bottom: var(--spacing-4);
}

.product-title {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-3);
  color: var(--text-primary);
  word-wrap: break-word;
}

.product-meta {
  display: flex;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  color: var(--text-secondary);
  font-size: 0.7rem;
}

.meta-item i {
  color: var(--color-primary);
  font-size: 0.7rem;
}

.product-preview {
  margin: var(--spacing-4) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-secondary);
}

.product-image-container {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  overflow: hidden;
}

.product-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.product-image:hover {
  transform: scale(1.02);
}

.product-image-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-8) 0;
  color: var(--text-tertiary);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
}

.product-image-placeholder i {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-2);
  color: var(--color-primary-light);
}

.product-description {
  margin-top: var(--spacing-6);
}

.description-content {
  color: var(--text-secondary);
  line-height: 1.5;
  font-size: 0.8125rem;
  margin-bottom: var(--spacing-4);
}

.description-content p {
  margin-bottom: var(--spacing-3);
}

.no-description {
  color: var(--text-tertiary);
  font-style: italic;
}

/* Mobile Purchase Option */
.mobile-purchase-option {
  margin-top: var(--spacing-6);
  padding: var(--spacing-4) 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.mobile-purchase-option .product-price {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-2);
}

@media (min-width: 1025px) {
  .mobile-purchase-option {
    display: none;
  }
}

@media (max-width: 1024px) {
  .mobile-purchase-option {
    display: block;
  }
}

/* Ratings and Reviews Section */
.ratings-section {
  margin-top: var(--spacing-8);
  padding-top: var(--spacing-4);
}

.ratings-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-4);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.ratings-title i {
  color: #ffc107;
}

.ratings-summary {
  display: flex;
  gap: var(--spacing-6);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-6);
  padding-bottom: var(--spacing-4);
  border-bottom: 1px solid var(--border-color);
}

.average-rating {
  text-align: center;
  min-width: 120px;
}

.rating-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.rating-stars {
  color: #ffc107;
  margin: var(--spacing-2) 0;
  font-size: 0.875rem;
}

.rating-stars i,
.review-stars i,
.user-review-stars i {
  margin-right: 2px;
}

.rating-count {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.rating-breakdown {
  flex: 1;
  min-width: 150px;
}

.rating-bar-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-2);
  font-size: 0.7rem;
}

.rating-bar-label {
  width: 35px;
  display: flex;
  align-items: center;
  gap: 2px;
}

.rating-bar-label i {
  font-size: 0.6rem;
}

.rating-bar-track {
  flex: 1;
  height: 6px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.rating-bar-fill {
  height: 100%;
  background: #ffc107;
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.rating-bar-count {
  width: 40px;
  text-align: right;
}

/* User Review Section */
.user-review-section {
  margin-bottom: var(--spacing-6);
  padding: var(--spacing-4);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.user-review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-2);
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.user-review-title {
  font-size: 0.875rem;
  font-weight: 600;
}

.user-review-stars {
  color: #ffc107;
  margin-bottom: var(--spacing-2);
  font-size: 0.8125rem;
}

.user-review-text {
  font-size: 0.8125rem;
  margin-bottom: var(--spacing-2);
  line-height: 1.5;
}

.user-review-date {
  font-size: 0.65rem;
  color: var(--text-tertiary);
}

/* Add Rating Section */
.add-rating-section {
  margin-bottom: var(--spacing-6);
  padding: var(--spacing-4);
  background: var(--gradient-light);
  border-radius: var(--radius-md);
  text-align: center;
}

.add-rating-section p {
  margin-bottom: var(--spacing-3);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* Other Reviews Container */
.other-reviews {
  margin-top: var(--spacing-4);
}

.other-reviews-title {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-3);
}

.review-item {
  padding: var(--spacing-3) 0;
  border-bottom: 1px solid var(--border-color);
}

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

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-2);
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.reviewer-name {
  font-weight: 500;
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.reviewer-name i {
  color: var(--color-primary);
  font-size: 0.75rem;
}

.review-date {
  font-size: 0.65rem;
  color: var(--text-tertiary);
}

.review-stars {
  color: #ffc107;
  margin-bottom: var(--spacing-2);
  font-size: 0.75rem;
}

.review-text {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* Load More Button */
.load-more-container {
  text-align: center;
  margin-top: var(--spacing-4);
  padding-top: var(--spacing-2);
}

.load-more-btn {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: 0.75rem;
}

/* Login Prompt */
.login-prompt {
  margin-bottom: var(--spacing-6);
  padding: var(--spacing-3);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  text-align: center;
}

.login-prompt p {
  font-size: 0.75rem;
}

.login-prompt a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.login-prompt a:hover {
  text-decoration: underline;
}

/* No Reviews State */
.no-reviews {
  text-align: center;
  padding: var(--spacing-6);
  color: var(--text-tertiary);
}

.no-reviews i {
  font-size: 2rem;
  margin-bottom: var(--spacing-2);
  opacity: 0.5;
}

.no-reviews p {
  margin-top: var(--spacing-2);
  font-size: 0.8125rem;
}

/* Rating Modal Styles */
.rating-input-container {
  margin: var(--spacing-4) 0;
}

.star-rating {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2);
  font-size: 2rem;
  cursor: pointer;
}

.star-rating i {
  transition: all var(--transition-fast);
  color: #cbd5e0;
}

.star-rating i:hover,
.star-rating i.active {
  color: #ffc107;
  transform: scale(1.05);
}

/* Product Sidebar */
.product-sidebar {
  padding: var(--spacing-6);
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  height: 100%;
  position: sticky;
  top: var(--spacing-8);
}

@media (max-width: 1024px) {
  .product-sidebar {
    border-left: none;
    border-top: 1px solid var(--border-color);
    position: static;
    display: none;
  }
}

.purchase-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.product-price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.price-note {
  color: var(--text-secondary);
  font-size: 0.7rem;
}

/* Purchase Button - No Background Color */
.purchase-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3);
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  width: 100%;
}

.purchase-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.purchase-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  border-color: var(--color-gray-400);
  color: var(--color-gray-400);
}

.payment-charge-info {
  margin-top: var(--spacing-2);
  padding-top: var(--spacing-2);
  border-top: 1px solid var(--border-color);
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.modal.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-xl);
  text-align: center;
}

.modal-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-4);
}

.modal-icon i {
  font-size: 1.5rem;
  color: var(--color-white);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.modal-message {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-4);
  line-height: 1.5;
  font-size: 0.875rem;
}

.modal-actions {
  display: flex;
  gap: var(--spacing-3);
}

.btn-secondary {
  padding: var(--spacing-2) var(--spacing-4);
  background: var(--color-gray-100);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-1);
}

.btn-secondary:hover {
  background: var(--color-gray-200);
  transform: translateY(-1px);
}

.btn-primary {
  padding: var(--spacing-2) var(--spacing-4);
  background: var(--gradient-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-1);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Payment Processing Modal */
.payment-processing-content {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-xl);
  text-align: center;
}

.payment-processing-icon {
  width: 70px;
  height: 70px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-4);
}

.payment-processing-icon i {
  font-size: 2rem;
  color: var(--color-white);
}

.payment-processing-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.payment-processing-message {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-4);
  line-height: 1.5;
  font-size: 0.875rem;
}

.payment-status-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-4);
}

.payment-status-text {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
}

/* Error Container */
.error-container {
  max-width: 600px;
  margin: var(--spacing-16) auto;
  padding: var(--spacing-8) var(--spacing-4);
  text-align: center;
}

.error-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-4);
}

.error-icon i {
  font-size: 2.5rem;
  color: var(--color-white);
}

.error-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.error-message {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-6);
  font-size: 0.875rem;
  line-height: 1.5;
}

.error-actions {
  display: flex;
  gap: var(--spacing-3);
  justify-content: center;
  flex-wrap: wrap;
}

/* Report Button */
.report-btn {
  background: rgba(0, 0, 0, 0.6);
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  backdrop-filter: blur(4px);
}

.report-btn:hover {
  background: rgba(0, 0, 0, 0.8);
  transform: scale(1.05);
}

.report-btn i {
  color: white;
  font-size: 1rem;
}

/* Textarea Styling */
textarea {
  font-size: 0.8125rem;
  font-family: inherit;
  resize: vertical;
}

textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Payment Breakdown */
.payment-breakdown {
  text-align: left;
}

.payment-breakdown i {
  width: 18px;
}

/* Button Loading State */
.purchase-btn i.fa-spinner,
.btn-primary i.fa-spinner,
.btn-secondary i.fa-spinner {
  animation: spin 1s linear infinite;
}

/* Smooth Transitions */
a, button, .purchase-btn, .btn-secondary, .btn-primary, .report-btn, .star-rating i {
  transition: all var(--transition-base);
}

/* Focus Styles */
button:focus-visible,
.purchase-btn:focus-visible,
.btn-secondary:focus-visible,
.btn-primary:focus-visible,
.report-btn:focus-visible,
textarea:focus-visible,
.star-rating i:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-gray-100);
}

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

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}

/* Utility Classes */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .products-container {
    padding: var(--spacing-4);
  }
  
  .product-main,
  .product-sidebar {
    padding: var(--spacing-4);
  }
  
  .product-title {
    font-size: 1.25rem;
  }
  
  .product-meta {
    gap: var(--spacing-3);
  }
  
  .product-price {
    font-size: 1.75rem;
  }
  
  .modal-content,
  .payment-processing-content {
    padding: var(--spacing-4);
  }
  
  .modal-actions {
    flex-direction: column;
  }
  
  .error-actions {
    flex-direction: column;
  }
  
  .error-actions a {
    width: 100%;
  }
  
  .report-btn {
    width: 32px;
    height: 32px;
  }
  
  .report-btn i {
    font-size: 0.875rem;
  }
  
  .ratings-summary {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
  }
  
  .average-rating {
    text-align: center;
  }
  
  .rating-breakdown {
    width: 100%;
  }
  
  .user-review-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .review-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .star-rating {
    font-size: 1.5rem;
    gap: var(--spacing-1);
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .product-container {
    grid-template-columns: 1fr 350px;
  }
  
  .ratings-summary {
    gap: var(--spacing-4);
  }
}

@media (max-width: 480px) {
  .modal-content,
  .payment-processing-content {
    width: 95%;
    padding: var(--spacing-4);
  }
  
  .modal-title,
  .payment-processing-title {
    font-size: 1rem;
  }
  
  .product-price {
    font-size: 1.5rem;
  }
  
  .star-rating {
    font-size: 1.25rem;
    gap: var(--spacing-0);
  }
  
  .rating-number {
    font-size: 2rem;
  }
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {
  .spinner,
  .product-image,
  .purchase-btn,
  .modal,
  .btn-secondary,
  .btn-primary,
  .report-btn,
  .star-rating i,
  .rating-bar-fill {
    animation-duration: 0.01ms;
    transition-duration: 0.01ms;
  }
}