/* return.css */
        .header {
            --background-color: rgba(42, 44, 57, 0.9);
        }

        body {
            padding-top: 80px;
        }

        .return-container {
            background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
            border-radius: 15px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            margin-bottom: 30px;
            padding: 30px;
        }

        .return-header {
            background: linear-gradient(135deg, #17a2b8 0%, #138496 100%);
            color: white;
            border-radius: 12px;
            padding: 25px;
            margin-bottom: 30px;
            text-align: center;
        }

        .return-icon {
            font-size: 3rem;
            margin-bottom: 15px;
        }

        .search-section {
            background: white;
            border-radius: 10px;
            padding: 25px;
            margin-bottom: 25px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
        }

        .order-details-section {
            background: white;
            border-radius: 10px;
            padding: 25px;
            margin-bottom: 25px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
        }

        .section-title {
            font-size: 1.3rem;
            color: #2c3e50;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e9ecef;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .form-control {
            border-radius: 8px;
            border: 2px solid #e9ecef;
            padding: 12px 15px;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .form-control:focus {
            border-color: #17a2b8;
            box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.25);
        }

        .btn-search {
            background: linear-gradient(135deg, #17a2b8 0%, #138496 100%);
            border: none;
            border-radius: 8px;
            color: white;
            font-weight: 600;
            padding: 12px 25px;
            transition: all 0.3s ease;
        }

        .btn-search:hover {
            background: linear-gradient(135deg, #138496 0%, #117a8b 100%);
            transform: translateY(-2px);
            color: white;
        }

        .order-info {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 20px;
        }

        .info-row {
            display: flex;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid #dee2e6;
        }

        .info-row:last-child {
            border-bottom: none;
        }

        .info-label {
            font-weight: 600;
            color: #495057;
        }

        .info-value {
            color: #212529;
        }

        .items-section {
            margin-top: 25px;
        }

        .item-card {
            background: white;
            border: 2px solid #e9ecef;
            border-radius: 10px;
            padding: 15px;
            margin-bottom: 15px;
            transition: all 0.3s ease;
            cursor: pointer;
            position: relative;
        }

        .item-card:hover {
            border-color: #17a2b8;
            box-shadow: 0 4px 15px rgba(23, 162, 184, 0.1);
        }

        .item-card.selected {
            border-color: #28a745;
            background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
        }

        .item-content {
            display: flex;
            align-items: center;
            gap: 15px;
            position: relative;
        }

        .item-image {
            width: 80px;
            height: 80px;
            border-radius: 8px;
            background: #f8f9fa;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #6c757d;
            font-size: 0.8rem;
            text-align: center;
            flex-shrink: 0;
        }

        .item-info {
            flex: 1;
            min-width: 0;
        }

        .item-name {
            font-weight: 600;
            font-size: 1.1rem;
            color: #2c3e50;
            margin-bottom: 5px;
            word-wrap: break-word;
        }

        .item-details {
            color: #6c757d;
            font-size: 0.9rem;
        }

        .item-price {
            font-weight: 600;
            font-size: 1.1rem;
            color: #28a745;
            flex-shrink: 0;
            margin-right: 50px;
        }

        .return-reason-section {
            background: white;
            border-radius: 10px;
            padding: 25px;
            margin-bottom: 25px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
        }

        .reason-textarea {
            border-radius: 8px;
            border: 2px solid #e9ecef;
            resize: vertical;
            min-height: 120px;
        }

        .reason-textarea:focus {
            border-color: #17a2b8;
            box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.25);
        }

        .btn-submit-return {
            background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
            border: none;
            border-radius: 10px;
            color: white;
            font-size: 1.1rem;
            font-weight: 600;
            padding: 15px 40px;
            transition: all 0.3s ease;
            width: 100%;
        }

        .btn-submit-return:hover {
            background: linear-gradient(135deg, #20c997 0%, #17a2b8 100%);
            transform: translateY(-2px);
            color: white;
        }

        .btn-submit-return:disabled {
            background: #6c757d;
            cursor: not-allowed;
            transform: none;
        }

        .alert {
            border-radius: 8px;
            border: none;
            padding: 15px 20px;
            margin-bottom: 20px;
        }

        .alert-danger {
            background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
            color: #721c24;
        }

        .alert-success {
            background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
            color: #155724;
        }

        .status-badge {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        .status-delivered {
            background: #d4edda;
            color: #155724;
        }

        .status-shipped {
            background: #cce7ff;
            color: #004085;
        }

        .status-processing {
            background: #fff3cd;
            color: #856404;
        }

        .checkbox-wrapper {
            position: relative;
            margin-bottom: 10px;
        }

        .checkbox-wrapper input[type="checkbox"] {
            position: absolute;
            opacity: 0;
            cursor: pointer;
            z-index: 1;
            width: 100%;
            height: 100%;
            left: 0;
            top: 0;
        }

        .checkmark {
            position: absolute;
            top: 50%;
            right: 15px;
            transform: translateY(-50%);
            width: 25px;
            height: 25px;
            background: #ffffff;
            border: 2px solid #dee2e6;
            border-radius: 50%;
            transition: all 0.3s ease;
            z-index: 0;
        }

        .checkbox-wrapper input[type="checkbox"]:checked~.item-card .checkmark {
            background: #28a745;
            border-color: #28a745;
        }

        .checkmark:after {
            content: "";
            position: absolute;
            display: none;
            left: 8px;
            top: 4px;
            width: 6px;
            height: 12px;
            border: solid white;
            border-width: 0 2px 2px 0;
            transform: rotate(45deg);
        }

        .checkbox-wrapper input[type="checkbox"]:checked~.item-card .checkmark:after {
            display: block;
        }

        @media (max-width: 768px) {
            .return-container {
                padding: 20px;
            }

            .item-content {
                flex-direction: column;
                text-align: center;
                padding-right: 40px;
            }

            .item-image {
                align-self: center;
            }

            .item-price {
                margin-right: 0;
                margin-bottom: 10px;
            }

            .checkmark {
                top: 15px;
                right: 15px;
                transform: none;
            }
        }

        @media (max-width: 992px) {
            .item-content {
                flex-wrap: wrap;
            }

            .item-info {
                min-width: 200px;
            }
        }