.ui-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    color: white;
    z-index: 10;
}
.interactive {
    pointer-events: auto;
}
#level-up-modal,
#start-selection-modal {
    background: rgba(15, 23, 42, 0.98);
    border: 2px solid #3b82f6;
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.6);
}