.lung-capacity-scale {
                position: relative;
            }
            
            .lung-capacity-scale .progress {
                overflow: visible;
            }
            
            #lungIndicator {
                transition: left 0.5s ease;
            }
            
            .scale-labels small, .scale-markers small {
                font-size: 0.7rem;
            }
            
            .list-group-item {
                border-left: 0;
                border-right: 0;
            }
            
            .list-group-item:first-child {
                border-top: 0;
            }
            
            .list-group-item:last-child {
                border-bottom: 0;
            }
            
            .results-interpretation {
                border-left: 4px solid #0d6efd;
            }