.motion-common(@time) {
    animation-duration: @time;
    animation-fill-mode: both;
}

.make-motion(@className, @keyframeName, @time: @animation-time) {
    .@{className}-enter-active,
    .@{className}-appear {
        .motion-common(@time);
        animation-play-state: paused;
    }
    .@{className}-leave-active {
        .motion-common(@time);
        animation-play-state: paused;
    }
    .@{className}-enter-active,
    .@{className}-appear {
        animation-name: ~'@{keyframeName}In';
        animation-play-state: running;
    }
    .@{className}-leave-active {
        animation-name: ~'@{keyframeName}Out';
        animation-play-state: running;
    }
}

@import 'fade';
@import 'move';
@import 'ease';
@import 'slide';

.collapse-transition {
    transition: @transition-time height ease-in-out,
        @transition-time padding-top ease-in-out,
        @transition-time padding-bottom ease-in-out;
}