@prefixMenuCls: ~'yy-menu';

.@{prefixMenuCls} {
    max-width: 200px;
    width: 100%;
    height: 100%;
    border-right: 1px solid @yy-border-primary;
    background-color: @yy-bg-info;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    .flex(column, flex-start, flex-start);
    &-logo {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 30px 0 30px;
        width: 100%;
    }
    ::selection {
        background-color: transparent;
    }
    &-container {
        width: 100%;
        flex: 1;
        transition: @yy-transition-time height ease-in-out, 
            @yy-transition-time padding-top ease-in-out,
            @yy-transition-time padding-bottom ease-in-out;
    }

    &-submenu {
        &-title {
            .cursor();
            &-content {
                flex: 1;
                .ellipsis();
            }
        }
    }

    &-item, &-submenu-title {
        padding: 10px 16px;
        font-size: @yy-font-size-sm;
        color: @yy-text-default;
        display: flex;
        align-items: center;
        transition: @yy-transition-time background-color ease-in-out, 
            @yy-transition-time color ease-in-out;
        .cursor();
        &:hover {
            color: @yy-text-primary;
        }
        i {
            color: @yy-text-info;
        }
        &-active {
            background-color: @yy-bg-primary;
            color: @yy-primary-color;
            position: relative;
            &:hover {
                color: @yy-primary-color;
            }
            i {
                color: @yy-text-info;
            }
            &:before {
                position: absolute;
                content: '';
                top: 0;
                left: 0;
                bottom: 0;
                width: 2px;
                background-color: @yy-primary-color;
            }
        }
    }
}