:root {
            --primary-color: #186a8b;
            --primary-light: #4a8ca9;
            --primary-dark: #0d4c66;
            --secondary-color: #3a506b;
            --accent-color: #e67e22;
            --light-color: #f8f9fa;
            --dark-color: #2c3e50;
            --success-color: #27ae60;
            --error-color: #e74c3c;
            --text-color: #333;
            --light-text: #777;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }

        .tracking-container {
            width: 100%;
            max-width: 1000px;
            margin: 40px auto;
            padding: 0 15px;
        }

        .page-title {
            color: var(--primary-color);
            text-align: center;
            margin-bottom: 30px;
            position: relative;
            padding-bottom: 15px;
        }

        .page-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: var(--primary-color);
        }

        .tracking-form {
            background: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
            text-align: center;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-input {
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
            width: 100%;
            max-width: 400px;
            transition: var(--transition);
        }

        .form-input:focus {
            border-color: var(--primary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(24, 106, 139, 0.1);
        }

        .btn {
            display: inline-block;
            padding: 12px 25px;
            background: var(--primary-color);
            color: white;
            text-decoration: none;
            border-radius: 4px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            text-align: center;
        }

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

        .error-message {
            color: var(--error-color);
            background: #fdeded;
            padding: 12px 15px;
            border-radius: 4px;
            margin: 20px 0;
            text-align: center;
        }

        .order-details {
            background: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }

        .section-title {
            color: var(--primary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }

        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .info-item {
            margin-bottom: 15px;
        }

        .info-label {
            font-weight: 600;
            color: var(--dark-color);
            display: block;
            margin-bottom: 5px;
        }

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

        .products-list {
            list-style: none;
            padding: 0;
        }

        .product-item {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid #eee;
        }

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

        .status-badge {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        .status-pending {
            background: #fff4e6;
            color: #e67700;
        }

        .status-processing {
            background: #e3f2fd;
            color: #1565c0;
        }

        .status-shipped {
            background: #e8f5e9;
            color: #2e7d32;
        }

        .status-delivered {
            background: #f1f8e9;
            color: #558b2f;
        }

        .status-cancelled {
            background: #ffebee;
            color: #c62828;
        }

        @media (max-width: 768px) {
            .info-grid {
                grid-template-columns: 1fr;
            }
            
            .tracking-form, .order-details {
                padding: 20px;
            }
            
            .form-input {
                max-width: 100%;
            }
        }