:root {
      --primary-color: #2E7D32;
      --primary-light: #4CAF50;
      --primary-dark: #1B5E20;
      --accent-color: #FFC107;
      --accent-dark: #FFA000;
      --text-color: #333333;
      --text-light: #757575;
      --bg-color: #f5f5f5;
      --card-bg: #ffffff;
      --border-color: #e0e0e0;
      --danger-color: #f44336;
      --success-color: #4CAF50;
      --warning-color: #FFA000; /* Added for order status */
      --info-color: #2196F3; /* Added for order status */
      --border-radius: 8px;
      --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      --transition: all 0.3s ease;
    }

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

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

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

    /* Header Styles */
    header {
      background: linear-gradient(to left, var(--primary-color), var(--primary-dark));
      color: white;
      padding: 1rem 0;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      position: sticky;
      top: 0;
      z-index: 1000;
    }

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

    .logo h1 {
      font-size: 1.8rem;
      font-weight: 700;
      margin: 0;
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 20px;
    }

    .my-orders-icon,
    .cart-icon {
      position: relative;
      cursor: pointer;
      font-size: 1.5rem;
    }

    .cart-count {
      position: absolute;
      top: -8px;
      right: -8px;
      background-color: var(--accent-color);
      color: var(--text-color);
      font-size: 0.7rem;
      font-weight: bold;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    /* Main Content */
    main {
      padding: 2rem 0;
    }

    .section-title {
      font-size: 1.5rem;
      font-weight: 600;
      margin-bottom: 1.5rem;
      color: var(--primary-dark);
      border-right: 4px solid var(--primary-color);
      padding-right: 10px;
    }

    /* Search and Filter */
    .controls-container {
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
        margin-bottom: 1.5rem;
        padding: 15px;
        background-color: var(--card-bg);
        border-radius: var(--border-radius);
        box-shadow: var(--shadow);
    }

    .search-container {
        flex-grow: 1;
        min-width: 250px;
    }

    .search-input {
        width: 100%;
        padding: 10px 15px;
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius);
        font-family: 'Cairo', sans-serif;
        font-size: 1rem;
    }

    .filter-container {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
    }

    .filter-label {
        font-weight: 600;
        color: var(--primary-dark);
    }

    .category-filter-btn {
        padding: 8px 15px;
        background-color: var(--primary-light);
        color: white;
        border: none;
        border-radius: var(--border-radius);
        cursor: pointer;
        transition: var(--transition);
        font-size: 0.9rem;
    }

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

    /* Products Grid */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
      gap: 20px;
      margin-bottom: 2rem;
    }

    .product-card {
      background-color: var(--card-bg);
      border-radius: var(--border-radius);
      box-shadow: var(--shadow);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .product-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .product-info {
      padding: 15px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .product-name {
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 5px; /* Reduced margin */
    }

    .product-category {
        font-size: 0.85rem;
        color: var(--text-light);
        margin-bottom: 8px;
        background-color: #eee;
        padding: 2px 6px;
        border-radius: 4px;
        display: inline-block; /* Make it fit content */
    }

    .product-price {
      color: var(--primary-color);
      font-weight: 700;
      font-size: 1.2rem;
      margin-bottom: 10px;
    }

    .product-stock {
      font-size: 0.9rem;
      color: var(--text-light);
      margin-bottom: 15px;
    }

    .product-actions {
      display: flex;
      align-items: center;
      margin-top: auto;
    }

    .quantity-control {
      display: flex;
      align-items: center;
      margin-left: 10px;
    }

    .quantity-btn {
      width: 30px;
      height: 30px;
      background-color: var(--primary-light);
      color: white;
      border: none;
      border-radius: 4px;
      cursor: pointer;
      font-size: 1rem;
      display: flex;
      justify-content: center;
      align-items: center;
      transition: var(--transition);
    }

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

    .quantity-input {
      width: 40px;
      height: 30px;
      text-align: center;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      margin: 0 5px;
      /* Disable arrows */
      -moz-appearance: textfield;
    }
    .quantity-input::-webkit-outer-spin-button,
    .quantity-input::-webkit-inner-spin-button {
      -webkit-appearance: none;
      margin: 0;
    }

    .add-to-cart-btn {
      flex-grow: 1;
      padding: 8px 15px;
      background-color: var(--primary-color);
      color: white;
      border: none;
      border-radius: var(--border-radius);
      cursor: pointer;
      font-weight: 600;
      transition: var(--transition);
    }

    .add-to-cart-btn:hover {
      background-color: var(--primary-dark);
    }

    .add-to-cart-btn:disabled {
      background-color: var(--text-light);
      cursor: not-allowed;
    }

    /* Modal Styles (Common) */
    .modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-color: rgba(0, 0, 0, 0.6);
      display: flex;
      justify-content: center;
      align-items: center;
      z-index: 1001;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s ease, visibility 0s 0.3s linear;
    }

    .modal-overlay.active {
      opacity: 1;
      visibility: visible;
      transition: opacity 0.3s ease;
    }

    .modal {
      background-color: var(--card-bg);
      border-radius: var(--border-radius);
      width: 90%;
      max-width: 600px;
      max-height: 90vh;
      overflow-y: auto;
      padding: 25px;
      position: relative;
      transform: scale(0.95);
      transition: transform 0.3s ease;
      box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    }

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

    .modal-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 15px;
      border-bottom: 1px solid var(--border-color);
    }

    .modal-title {
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--primary-dark);
    }

    .close-modal {
      background: none;
      border: none;
      font-size: 1.8rem;
      cursor: pointer;
      color: var(--text-light);
      transition: var(--transition);
      line-height: 1;
    }

    .close-modal:hover {
      color: var(--danger-color);
      transform: rotate(90deg);
    }

    /* Cart Modal Specifics */
    .cart-items {
      margin-bottom: 20px;
    }

    .cart-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 12px 0;
      border-bottom: 1px solid var(--border-color);
    }
    .cart-item:last-child {
        border-bottom: none;
    }

    .cart-item-info {
      flex-grow: 1;
      padding-right: 15px;
    }

    .cart-item-name {
      font-weight: 600;
      margin-bottom: 5px;
    }

    .cart-item-price {
      font-size: 0.9rem;
      color: var(--primary-color);
    }

    .cart-item-quantity {
      display: flex;
      align-items: center;
      margin: 0 15px;
    }
    .cart-item-quantity span {
        min-width: 25px;
        text-align: center;
        font-weight: 600;
    }

    .cart-item-total {
      font-weight: 600;
      color: var(--primary-dark);
      min-width: 80px;
      text-align: left;
    }

    .remove-item {
      color: var(--danger-color);
      background: none;
      border: none;
      cursor: pointer;
      font-size: 1.2rem;
      transition: var(--transition);
      padding: 5px;
    }

    .remove-item:hover {
      transform: scale(1.1);
      background-color: rgba(244, 67, 54, 0.1);
      border-radius: 50%;
    }

    .cart-summary {
      background-color: #f9f9f9;
      padding: 15px;
      border-radius: var(--border-radius);
      margin-bottom: 20px;
      border: 1px solid var(--border-color);
    }

    .cart-total {
      display: flex;
      justify-content: space-between;
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--primary-dark);
    }

    .checkout-btn {
      width: 100%;
      padding: 12px;
      background-color: var(--accent-color);
      color: var(--text-color);
      border: none;
      border-radius: var(--border-radius);
      font-size: 1.1rem;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .checkout-btn:hover {
      background-color: var(--accent-dark);
    }
    .checkout-btn:disabled {
        background-color: var(--text-light);
        cursor: not-allowed;
    }

    .empty-cart-message {
      text-align: center;
      padding: 30px 10px;
      color: var(--text-light);
      font-size: 1.1rem;
    }
    .empty-cart-message i {
        font-size: 2rem;
        display: block;
        margin-bottom: 10px;
        color: var(--primary-light);
    }

    /* Checkout Form Modal */
    .checkout-form {
      display: grid;
      grid-template-columns: 1fr;
      gap: 15px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
    }

    .form-group label {
      margin-bottom: 5px;
      font-weight: 600;
    }

    .form-control {
      padding: 10px;
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius);
      font-family: 'Cairo', sans-serif;
      transition: border-color 0.3s ease;
    }
    .form-control:focus {
        outline: none;
        border-color: var(--primary-color);
        box-shadow: 0 0 0 2px rgba(46, 125, 50, 0.2);
    }
    /* Style for invalid input */
    .form-control.invalid {
        border-color: var(--danger-color);
        box-shadow: 0 0 0 2px rgba(244, 67, 54, 0.2);
    }
    .error-message {
        color: var(--danger-color);
        font-size: 0.85rem;
        margin-top: 5px;
        display: none; /* Hidden by default */
    }

    .form-check {
      display: flex;
      align-items: center;
      margin-bottom: 10px;
    }

    .form-check input {
      margin-left: 10px;
      width: 18px;
      height: 18px;
    }
    .form-check label {
        cursor: pointer;
    }

    .datetime-picker {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }

    /* Confirmation Modal */
    .confirmation-message {
      text-align: center;
      padding: 20px 0;
    }

    .confirmation-message i {
      font-size: 3.5rem;
      color: var(--success-color);
      margin-bottom: 15px;
    }

    .order-id {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 10px;
      background-color: #e8f5e9; /* Light green background */
      padding: 5px 10px;
      border-radius: 4px;
      display: inline-block;
    }

    /* Invoice Styles */
    .invoice-container {
      margin-top: 20px;
      text-align: center;
    }

    .download-invoice-btn {
      padding: 10px 15px;
      background-color: var(--primary-color);
      color: white;
      border: none;
      border-radius: var(--border-radius);
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      margin: 10px 5px;
      display: inline-flex; /* Align icon and text */
      align-items: center;
      gap: 8px;
    }

    .download-invoice-btn:hover {
      background-color: var(--primary-dark);
    }

    /* Invoice Template (hidden) */
    #invoiceTemplate {
      display: none;
      width: 595px; /* A4 width in pixels at 72dpi */
      padding: 40px;
      background-color: white;
      font-family: 'Cairo', sans-serif;
      color: #333; /* Ensure text color is set for canvas */
      direction: rtl; /* Ensure direction is correct */
    }

    .invoice-header {
      display: flex;
      justify-content: space-between;
      align-items: center; /* Align items vertically */
      margin-bottom: 30px;
      border-bottom: 2px solid #333;
      padding-bottom: 20px;
    }

    .invoice-logo {
      font-size: 24px;
      font-weight: bold;
      color: var(--primary-dark);
    }

    .invoice-info {
      text-align: left; /* Keep info aligned left */
      font-size: 12px; /* Adjust font size if needed */
    }
    .invoice-info p {
        margin-bottom: 3px;
    }

    .invoice-title {
      font-size: 24px;
      font-weight: bold;
      margin-bottom: 20px;
      text-align: center;
      color: var(--primary-dark);
    }

    .invoice-details {
      margin-bottom: 30px;
      text-align: right; /* Align details to the right */
    }

    .invoice-details p {
        margin-bottom: 5px;
    }

    .invoice-table {
      width: 100%;
      border-collapse: collapse;
      margin-bottom: 30px;
    }

    .invoice-table th, .invoice-table td {
      border: 1px solid #ddd;
      padding: 10px;
      text-align: right;
    }

    .invoice-table th {
      background-color: #f2f2f2;
      font-weight: bold;
    }

    .invoice-total {
      text-align: left;
      margin-top: 20px;
      font-size: 18px;
      font-weight: bold;
      color: var(--primary-dark);
    }

    .invoice-footer {
      margin-top: 50px;
      text-align: center;
      font-size: 14px;
      color: #666;
    }

    /* Loading Spinner */
    .spinner {
      display: inline-block;
      width: 18px; /* Slightly smaller */
      height: 18px;
      border: 3px solid rgba(255, 255, 255, 0.3);
      border-radius: 50%;
      border-top-color: white;
      animation: spin 1s ease-in-out infinite;
      margin-left: 8px;
      vertical-align: middle; /* Align with text */
    }
    .loading-products {
        text-align: center;
        padding: 20px;
        font-size: 1.1rem;
        color: var(--text-light);
    }

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

    /* My Orders Modal */
    #myOrdersModal .modal {
        max-width: 700px; /* Wider modal for orders */
    }
    .orders-list {
        margin-top: 15px;
    }
    .order-item {
        background-color: #f9f9f9;
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius);
        padding: 15px;
        margin-bottom: 15px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 10px;
    }
    .order-item-details {
        flex-basis: 100%;
        margin-bottom: 10px;
        padding-bottom: 10px;
        border-bottom: 1px dashed var(--border-color);
    }
    .order-item-details p {
        margin-bottom: 5px;
        font-size: 0.95rem;
    }
    .order-item-details strong {
        color: var(--primary-dark);
        min-width: 80px;
        display: inline-block;
    }
    .order-item-status {
        font-weight: bold;
        padding: 4px 10px;
        border-radius: 15px; /* Pill shape */
        font-size: 0.9rem;
        color: white;
    }
    .order-status-submitted {
        background-color: var(--info-color);
    }
    .order-status-completed {
        background-color: var(--success-color);
    }
    .order-status-processing { /* Example */
        background-color: var(--warning-color);
    }
    .order-item-actions {
        text-align: left;
    }
    .confirm-receipt-btn {
        padding: 8px 12px;
        background-color: var(--success-color);
        color: white;
        border: none;
        border-radius: var(--border-radius);
        cursor: pointer;
        transition: var(--transition);
        font-size: 0.9rem;
    }
    .confirm-receipt-btn:hover {
        background-color: var(--primary-dark);
    }
    .confirm-receipt-btn:disabled {
        background-color: var(--text-light);
        cursor: not-allowed;
    }
    .empty-orders-message {
        text-align: center;
        padding: 30px 10px;
        color: var(--text-light);
        font-size: 1.1rem;
    }

    /* Rating Stars */
    .rating-stars {
        display: inline-block;
        font-size: 1.5rem;
        color: var(--accent-color);
    }
    .rating-stars span {
        cursor: pointer;
        transition: color 0.2s ease;
    }
    .rating-stars span:hover,
    .rating-stars span.active {
        color: var(--accent-dark);
    }

    /* Responsive Styles */
    @media (max-width: 768px) {
      .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
      }

      .modal {
        width: 95%;
        padding: 15px;
      }

      .cart-item {
        flex-wrap: wrap;
      }

      .cart-item-info {
        width: 100%;
        margin-bottom: 10px;
        padding-right: 0;
      }

      .datetime-picker {
        grid-template-columns: 1fr;
      }
      .controls-container {
          flex-direction: column;
      }
      .header-actions {
          gap: 15px;
      }
      .my-orders-icon,
      .cart-icon {
          font-size: 1.3rem;
      }
      .order-item {
          padding: 12px;
      }
    }

    @media (max-width: 480px) {
      .products-grid {
        grid-template-columns: 1fr;
      }

      .header-content {
        flex-direction: column;
        text-align: center;
      }

      .header-actions {
        margin-top: 10px;
      }

      .product-actions {
        flex-direction: column;
        align-items: stretch; /* Stretch button */
      }

      .quantity-control {
        margin-bottom: 10px;
        margin-left: 0;
        justify-content: center; /* Center quantity controls */
      }
      .add-to-cart-btn {
          width: 100%; /* Full width button */
      }
      .filter-container {
          justify-content: center;
      }
      .modal-title {
          font-size: 1.2rem;
      }
      .order-item-status {
          font-size: 0.8rem;
          padding: 3px 8px;
      }
      .confirm-receipt-btn {
          font-size: 0.85rem;
          padding: 6px 10px;
      }
    }

    /* Toast Notification */
    .toast {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--primary-color);
      color: white;
      padding: 12px 20px;
      border-radius: var(--border-radius);
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
      z-index: 1002;
      opacity: 0;
      transform: translateY(20px);
      transition: all 0.3s ease;
    }

    .toast.show {
      opacity: 1;
      transform: translateY(0);
    }

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

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