dat.gui/elements/controller-number/controller-number.styl

@import '../shared';

fill-color = number-color
track-color = light

track-size = 1px;
fill-size = 1px;
knob-size = 6px

#container { 
    height: 100%;
}

#track-container { 
    height: 100%;
}

#track { 
    width: 100%;
    height: track-size;
    border-radius: track-size;
    display: inline-block;
    position: relative;
    background: track-color;
}

#fill {
    height: fill-size;
    margin-top: ( ( track-size - fill-size ) / 2 );
    margin-left: 1px;
    border-radius: fill-size;
    position: absolute;
    background: fill-color;
    pointer-events: none;
}


#knob { 

    width: knob-size;
    height: knob-size;

    margin-left: -( knob-size / 2 );
    margin-top: -( knob-size / 2 );

    transition: transform 0.1s ease;

    pointer-events: none;
    position: absolute;

    background-color: fill-color;
    border-radius: 100%;

}

#track-container:hover #knob {
    transform: scale( 2 )
}

#track-container:active #knob {
    transform: scale( 1.5 )
}

// .transition #knob {
//     transition: left 0.2s ease, transform 0.1s ease;
// }

// .transition #fill {
//     transition: left 0.2s ease, right 0.2s ease, width 0.2s ease;
// }

input { 
    
    input()

    .slider-true & {
    
        text-align: center;
        margin-left: padding;
        width: 25%;
        transition: width 0.2s ease;
        padding: 0;


        &:hover {
            width: 33%;
        } 

        &:focus { 
            width: 50%;
        }

    }


    .slider-false & { 
        // border-bottom: 1px solid number-color;
        width: 100%;
    }

}

input::selection { 
    background-color: number-color;
}