styles.css

/* منصة زيوت السيارات الذكية - Professional Styles */

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

:root {
  --primary: #2563eb;
  --secondary: #0f172a;
  --success: #10b981;
  --danger: #ef4444;
  --light: #f8fafc;
  --dark: #1e293b;
  --border: #e2e8f0;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
  font-family: 'Cairo', sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: var(--dark);
  line-height: 1.6;
  min-height: 100vh;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.95);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  color: white;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.header {
  background: linear-gradient(135deg, var(--secondary) 0%, #1e3a8a 100%);
  color: white;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  font-size: 2em;
  animation: rotate 3s linear infinite;
}

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

.brand strong {
  font-size: 1.2em;
  display: block;
}

.brand small {
  opacity: 0.9;
  font-size: 0.85em;
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  transition: all 0.3s ease;
  font-size: 0.95em;
}

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

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

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

.ghost {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.ai-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 10px rgba(102, 126, 234, 0.5); }
  50% { box-shadow: 0 0 20px rgba(102, 126, 234, 0.8); }
}

.btn-icon {
  background: none;
  border: none;
  font-size: 1.2em;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  transition: all 0.2s;
}

.btn-icon:hover {
  background: var(--light);
  transform: scale(1.1);
}

.btn-close {
  background: none;
  border: none;
  font-size: 1.5em;
  cursor: pointer;
  padding: 4px 8px;
}

.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  padding: 20px 24px;
  max-width: 1400px;
  margin: 0 auto;
}

.stat-card {
  background: white;
  border-radius: 12px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  font-size: 2.5em;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
}

.stat-value {
  font-size: 2em;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 0.9em;
  color: #64748b;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  background: white;
  min-height: calc(100vh - 200px);
  border-radius: 20px 20px 0 0;
  box-shadow: var(--shadow-lg);
}

.ai-panel {
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  margin-bottom: 24px;
  overflow: hidden;
  border: 2px solid var(--primary);
}

.ai-header {
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  color: white;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ai-chat {
  max-height: 400px;
  overflow-y: auto;
  padding: 20px;
  background: #f8fafc;
}

.ai-message {
  margin-bottom: 16px;
  display: flex;
}

.ai-message.user {
  justify-content: flex-end;
}

.message-content {
  max-width: 70%;
  padding: 12px 16px;
  border-radius: 12px;
}

.ai-message.user .message-content {
  background: var(--primary);
  color: white;
}

.ai-message.bot .message-content {
  background: white;
  border: 1px solid var(--border);
}

.ai-input-area {
  display: flex;
  gap: 10px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.ai-input-area input {
  flex: 1;
  padding: 12px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.ai-suggestions {
  display: flex;
  gap: 8px;
  padding: 0 20px 16px;
  flex-wrap: wrap;
}

.suggestion-btn {
  padding: 8px 14px;
  background: white;
  border: 1px solid var(--primary);
  color: var(--primary);
  border-radius: 20px;
  font-size: 0.85em;
  cursor: pointer;
  transition: all 0.2s;
}

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

.filters-advanced {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.filter-row {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filter-group {
  flex: 1;
  min-width: 200px;
}

.filter-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
}

.filter-group input, .filter-group select {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.price-range {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-actions {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.view-toggle {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  justify-content: flex-end;
}

.view-btn {
  padding: 10px 16px;
  background: white;
  border: 2px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
}

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

.products {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.products thead {
  background: linear-gradient(135deg, var(--secondary), #1e3a8a);
  color: white;
}

.products th {
  padding: 16px 12px;
  text-align: right;
  font-weight: 700;
}

.products td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--border);
}

.products tbody tr:hover {
  background: #f8fafc;
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary);
  color: white;
  border-radius: 20px;
  font-size: 0.85em;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.product-grid-item {
  background: white;
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--shadow);
  transition: all 0.3s;
}

.product-grid-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-badge {
  background: var(--primary);
  color: white;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8em;
  margin-bottom: 12px;
  display: inline-block;
}

.product-grid-item h3 {
  margin-bottom: 16px;
  min-height: 48px;
}

.product-info {
  margin-bottom: 16px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.product-actions {
  display: flex;
  gap: 10px;
}

.product-actions .btn {
  flex: 1;
  justify-content: center;
}

.products-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.product-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  padding: 20px;
}

.card-body {
  padding: 20px;
}

.price-section {
  text-align: center;
  margin-bottom: 20px;
  padding: 16px;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 12px;
}

.main-price {
  font-size: 2em;
  font-weight: 700;
  color: var(--primary);
}

.sub-price {
  font-size: 0.9em;
  color: #64748b;
}

.size-section {
  display: flex;
  justify-content: space-between;
  padding: 12px;
  background: var(--light);
  border-radius: 8px;
}

.card-footer {
  padding: 20px;
  border-top: 2px solid var(--border);
  display: flex;
  gap: 10px;
}

.pagination {
  margin-top: 30px;
  display: flex;
  justify-content: center;
}

.pagination-controls {
  display: flex;
  gap: 8px;
}

.page-btn {
  padding: 8px 14px;
  border: 2px solid var(--border);
  background: white;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
}

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

.cart-float {
  position: fixed;
  bottom: 30px;
  left: 30px;
  width: 60px;
  height: 60px;
  background: var(--success);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5em;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  z-index: 999;
}

.cart-float span {
  position: absolute;
  top: -5px;
  right: -5px;
  background: var(--danger);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6em;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal.show {
  display: flex;
}

.modal-content {
  background: white;
  border-radius: 16px;
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 2px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--light);
}

.cart-items {
  padding: 20px 24px;
  max-height: 400px;
  overflow-y: auto;
}

.cart-item {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 16px;
  background: var(--light);
  border-radius: 12px;
  margin-bottom: 12px;
}

.item-info {
  flex: 1;
}

.item-quantity {
  display: flex;
  align-items: center;
  gap: 8px;
}

.item-quantity button {
  width: 28px;
  height: 28px;
  border: none;
  background: var(--primary);
  color: white;
  border-radius: 6px;
  cursor: pointer;
}

.item-price {
  font-weight: 700;
  color: var(--primary);
  min-width: 100px;
}

.btn-remove {
  background: none;
  border: none;
  font-size: 1.2em;
  cursor: pointer;
}

.empty-cart {
  text-align: center;
  padding: 40px;
  color: #64748b;
}

.cart-footer {
  border-top: 2px solid var(--border);
  padding: 20px 24px;
  background: var(--light);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  font-size: 1.3em;
  margin-bottom: 16px;
}

.cart-actions {
  display: flex;
  gap: 10px;
}

.product-details {
  padding: 24px;
}

.detail-section {
  background: var(--light);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.detail-actions {
  display: flex;
  gap: 12px;
}

.footer {
  background: var(--secondary);
  color: white;
  padding: 24px;
  text-align: center;
  margin-top: 40px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 12px;
}

.footer-links a {
  color: white;
  text-decoration: none;
}

.notification {
  position: fixed;
  bottom: -100px;
  right: 30px;
  background: var(--success);
  color: white;
  padding: 16px 24px;
  border-radius: 12px;
  z-index: 9999;
  transition: all 0.3s ease;
}

.notification.show {
  bottom: 100px;
}

@media (max-width: 768px) {
  .header {
    flex-direction: column;
    gap: 12px;
  }
  
  .stats-container {
    grid-template-columns: 1fr;
  }
  
  .filter-row {
    flex-direction: column;
  }
  
  .products-grid, .products-cards {
    grid-template-columns: 1fr;
  }
}