          background: linear-gradient(135deg, #f4e4c1 0%, #e8d4b0 100%);
            color: #5d4e37;
            border: 2px solid #8b7355;
            position: relative;
        }

        /* Vintage paper texture effect */
        .style-vintage .message::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: 
                repeating-linear-gradient(
                    90deg,
                    transparent,
                 