.jsavcontainer {
  overflow:hidden;
  width: auto;
  /* padding: 0.7em; */
  border: 1px solid black;
  background-color: white;
  position: relative;
  /* prevent text selection within container */
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.jsavcanvas {
  position: relative;
  background-color: inherit;
  overflow-x: auto;
}

.jsavnode {
  width: 45px;
  height: 45px;
  text-align: center;
  border: 1px solid yellow;
    background-color: #ff0;
  color: black;
  opacity: 1;
  padding: 0;
  /* prevent text cursor on nodes*/
  cursor: default;
  /* add a subtle shadow to nodes */
  box-shadow: 2px 2px 5px rgba(120, 120, 120, 0.5);
}
.jsavcenter {
  margin-left: auto;
  margin-right: auto;
}

.jsavarray, .jsavlabel, .jsavcode, .jsavlist, .jsavtree, .jsavgraph, .jsavmatrix {
  margin-top: 1em;
  margin-bottom: 1em;
}
.jsavhighlight, .jsavarray.jsavbararray .jsavindex.jsavhighlight .jsavvalue, .jsavvariable.jsavhighlight .jsavvalue {
  background-color: transparent !important;
  color: black !important;
}

.jsavvalue {
  /* FF doesn't respect 100% here when using display: table so have to fix the height */
  height: 45px;
  width: 100%;
  min-height: inherit;
  min-width: inherit;
  background-color: transparent;
  display: table;
  border-radius: inherit;
}

.jsavvaluelabel {
  display: table-cell;
  vertical-align: middle;
}

.jsavautoresize .jsavnode {
  width: auto;
  min-width: 45px;
  height: auto;
  min-height: 45px;
}

/***** STYLING OF THE ARRAY DATA STRUCTURE *****/
.jsavarray {
  position: relative;
  list-style: none;
  min-height: 50px;
  padding: 0;
  clear:both;
  white-space: nowrap;
  -webkit-transform-style: preserve-3d;
}
.jsavarray * {
  -webkit-transform-style: preserve-3d;
}
.jsavarray:after {
  content: "";
  clear: both;
  display: block;
}
.jsavindexlabel {
  width: 100%;
  height: 25px;
  line-height: 25px;
  color: black;
  position: absolute;
  vertical-align: middle;
}
.jsavindex {
  box-sizing: border-box;
}
.jsavindex span {
  z-index: 99;
}
.jsavhorizontalarray .jsavindex {
  display: inline-block;
  position: relative;
}
/* remove right borders from everything but the last index */
.jsavhorizontalarray .jsavindex:not(:last-of-type) {
  border-right: none;
}
.jsavhorizontalarray .jsavindexlabel {
  bottom: -25px;
  left: 0;
}
.jsavhorizontalarray .jsavindex:first-of-type {
  -ms-border-top-left-radius: 8px;
  -ms-border-bottom-left-radius: 8px;
  -moz-border-top-left-radius: 8px;
  -moz-border-bottom-left-radius: 8px;
  -o-border-top-left-radius: 8px;
  -o-border-bottom-left-radius: 8px;
  -webkit-border-top-left-radius: 8px;
  -webkit-border-bottom-left-radius: 8px;
  border-top-left-radius: 8px;
  border-bottom-left-radius: 8px;
}
.jsavhorizontalarray .jsavindex:last-of-type {
  -ms-border-top-right-radius: 8px;
  -ms-border-bottom-right-radius: 8px;
  -moz-border-top-right-radius: 8px;
  -moz-border-bottom-right-radius: 8px;
  -o-border-top-right-radius: 8px;
  -o-border-bottom-right-radius: 8px;
  -webkit-border-top-right-radius: 8px;
  -webkit-border-bottom-right-radius: 8px;
  border-top-right-radius: 8px;
  border-bottom-right-radius: 8px;
}

.jsavbararray {
  height: 150px;
  overflow: visible;
  padding-bottom: 30px;
}
.jsavbararray .jsavnode {
  /* remove shadow from the white bars */
  box-shadow: none;
} 
.jsavbararray .jsavindex {
  height: 100%;
  vertical-align: bottom;
  border: none;
  background-color: #ddd;
  margin-left: 2px;
  float: left;
  position: relative;
}
.jsavbararray .jsavvalue {
  z-index: 100;
  bottom: 0;
  background-color: inherit;
  min-height: 0;
  -moz-border-radius: 0;
  -o-border-radius: 0;
  -ms-border-radius: 0;
  -webkit-border-radius: 0;
  border-radius: 0;
  /* add a subtle shadow to bars */
  box-shadow: 2px 2px 5px rgba(120, 120, 120, 0.5);
}
.jsavbararray .jsavvalue span {
  position: absolute;
  width: inherit;
  bottom: 0;
  left: 0;
}
.jsavbararray .jsavvalue, .jsavbararray .jsavvaluebar {
  display: block;
  padding: 0;
  position: absolute;
  width: 100%;
}
.jsavbararray .jsavvaluebar {
  height: 100%;
  top: 0;
  background-color: #fff;
}
.jsavbararray .jsavindexlabel {
  font-size: 90%;
  position: relative;
  top: 100%;
	vertical-align: middle;
}

/* vertical array */
.jsavverticalarray.jsavindexed .jsavindex {
  position: relative;
}
.jsavverticalarray .jsavindex {
  margin-bottom: -1px;
  float: left;
  clear: left;
}
.jsavverticalarray .jsavindexlabel {
  position: absolute;
  text-align: right;
  width: auto;
  left: -17px;
}
.jsavverticalarray .jsavindex:first-of-type, .jsavverticalarray .jsavindex:first-of-type .jsavvalue {
  -ms-border-top-left-radius: 8px;
  -moz-border-top-left-radius: 8px;
  -o-border-top-left-radius: 8px;
  -webkit-border-top-left-radius: 8px;
  border-top-left-radius: 8px;
  -ms-border-top-right-radius: 8px;
  -moz-border-top-right-radius: 8px;
  -o-border-top-right-radius: 8px;
  -webkit-border-top-right-radius: 8px;
  border-top-right-radius: 8px;
}
.jsavverticalarray .jsavindex:last-of-type, .jsavverticalarray .jsavindex:last-of-type .jsavvalue {
  -ms-border-bottom-left-radius: 8px;
  -moz-border-bottom-left-radius: 8px;
  -o-border-bottom-left-radius: 8px;
  -webkit-border-bottom-left-radius: 8px;
  border-bottom-left-radius: 8px;
  -ms-border-bottom-right-radius: 8px;
  -moz-border-bottom-right-radius: 8px;
  -o-border-bottom-right-radius: 8px;
  -webkit-border-bottom-right-radius: 8px;
  border-bottom-right-radius: 8px;
}

/* bar array marker line */
.jsavmark {
  position: absolute;
  display: none;
  background-color: #FF6464;
  -moz-border-radius: 10px;
  -webkit-border-radius: 10px;
  -ms-border-radius: 10px;
  -o-border-radius: 10px;
  border-radius: 10px;
  width: 8px;
  height: 8px;
  z-index: 190;
}
.jsavmarkline {
  position: absolute;
  display: none;
  height:1px;
  background-color: #FF6464;
  background-color: rgba(255, 100, 100, 0.6);
  z-index: 190;
}

/***** END STYLING OF THE ARRAY DATA STRUCTURE *****/

/*** OUTPUT STYLING ***/
.jsavline {
  overflow: visible;
  border: none;
  background-color: inherit;
  height:50px;
}
.jsavscroll {
  overflow: auto; 
  background-color: white; 
  border: 1px solid black;
  height:220px;
}
.jsavoutput .jsavtitle {
  display:block;
  margin-top:2.5em;
  font-size:300%;
  text-align:center;
}

.jsavindex.jsavarrow:before {
  content: "";
  background-color: transparent;
  position: absolute;
  width: 0;
  height: 0;
  border: 6px solid transparent;
  border-top: 6px solid black;
  top: -10px;
  left: 17px;
}

/**** END OUTPUT STYLING ***/

.jsavcanvas svg {
  position: absolute;
  height: 100%;
  width: 100%;
  z-index: 110;
}

.jsavcontainer svg {
  pointer-events: none;
}
.jsavcontainer svg * {
  pointer-events: visible;
}

/**** STYLING THE CONTROLS ****/
.jsavcontrols {
  text-align: center;
}
.jsavcontrols span {
  display: inline-block;
  color: #777;
  font-family: 'Times New Roman';
  font-size: 20px;
  font-weight: bolder;
  line-height: 45px;
  width: 45px;
  height: 45px;
  margin: 15px 40px;
  background-color: #fff;
  border: 1px solid #777;
  -o-border-radius: 50%;
  -moz-border-radius: 50%;
  -webkit-border-radius: 50%;
  -ms-border-radius: 50%;
  border-radius: 50%;
  cursor: pointer;
}
.jsavplaying span {
  cursor: default;
}
.jsavbegin, .jsavend {
  letter-spacing: -2px;
}
/**** END STYLING THE CONTROLS ****/

/**** STYLING THE DIALOG ****/
.jsavdialog {
  border: 1px solid #aaa;
  background-color: #fff;
  z-index: 1000;
  position: absolute;
  top: 0; 
  left: 0;
  box-shadow: 0 0 15px rgba(0,0,0,0.8);
}
.jsavsettings-dialog {
  border-radius: 10px;
}
.jsavsettings-dialog.arrow-top-left {
  border-top-left-radius: 0;
}
.jsavsettings-dialog.arrow-top-right {
  border-top-right-radius: 0;
}
.jsavsettings-dialog.arrow-bottom-left {
  border-bottom-left-radius: 0;
}
.jsavsettings-dialog.arrow-bottom-right {
  border-bottom-right-radius: 0;
}
.jsavsettings-dialog:after {
  content: "";
  display: block;
  width: 0;
  height: 0;
  position: absolute;
  border: 8px solid transparent;
  border-left-color: #eee;
  transform: rotate(-90deg);
}
.jsavsettings-dialog.arrow-top-left:after {
  top: -16px;
  left: 0;
}
.jsavsettings-dialog.arrow-top-right:after {
  top: -16px;
  right: 0;
}
.jsavsettings-dialog.arrow-bottom-left:after,
.jsavsettings-dialog.arrow-bottom-right:after {
  border-left-color: #fff;
  transform: rotate(90deg);
  bottom: -16px;
}
.jsavsettings-dialog.arrow-bottom-left:after {
  left: 0;
}
.jsavsettings-dialog.arrow-bottom-right:after {
  right: 0;
}
.jsavsettings-dialog h2 {
  border-radius: 10px 10px 0 0;
}
.jsavsettings-dialog.arrow-top-left h2 {
  border-radius: 0 10px 0 0;
}
.jsavsettings-dialog.arrow-top-right h2 {
  border-radius: 10px 0 0 0;
}
.jsavmodal {
  z-index: 999;
  background-color: rgb(120, 120, 120);
  background-color: rgba(0, 0, 0, 0.2);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
}
.jsavdialog h2 {
  background-color: #eee;
  color: black;
  font-family: Helvetica, Arial;
  font-size: 1.5em;
  font-weight: bold;
  margin: 0;
  padding: 7px 15px;
  cursor: -moz-grab;
  cursor: -webkit-grab;
  cursor: grab;
}
.jsavdialog.ui-draggable-dragging, .jsavdialog.ui-draggable-dragging h2 {
  cursor: -moz-grabbing;
  cursor: -webkit-grabbing;
  cursor: grabbing;
}
a.jsavdialogclose {
  border: 1px solid #777;
  -ms-border-radius: 20px;
  -webkit-border-radius: 20px;
  -moz-border-radius: 20px;
  -o-border-radius: 20px;
  border-radius: 20px;
  color: #777;
  float: right;
  font-family: monospace;
  font-size: 30px;
  font-weight: normal;
  height: 20px;
  padding: 3px;
  text-align: center;
  text-decoration: none;
  width: 20px;
  line-height: 22px;
}
a.jsavdialogclose:hover {
  background-color: #ccc;
}

.jsavsettings {
  padding: 15px;
  font-family: Helvetica, Arial
}
a.jsavsettings {
  background-image: url(images/settings.png);
  width: 20px;
  height: 20px;
  background-position: 50% 50%;
  background-repeat: no-repeat;
  background-color: #aaa;
  text-indent: 120%;
  padding: 2px;
  border: 1px solid #777;
  -o-border-radius: 3px;
  -ms-border-radius: 3px;
  -moz-border-radius: 3px;
  -webkit-border-radius: 3px;
  border-radius: 50%;
  float:right; 
  margin-right:10px; 
  display:block;
  white-space: nowrap;
  overflow: hidden;
}
a.jsavsettings:hover {
  background-color: #888;
}
.jsavsettings .jsavhelp {
  font-size: 80%;
  margin-left: 40px;
}
.jsavsettings .jsavversion {
  float: right;
  font-size: smaller;
}
.jsavrow {
  margin: 15px 8px 4px 8px;
}
.jsavsettings label {
  display: inline;
}
/**** END STYLING THE DIALOG ****/

/**** MODEL ANSWER ********/
.jsavmodelanswer.jsavcontainer {
  padding: 0;
  padding-bottom: 5px;
  background-color: white;
  border-width: 0;
  border-radius: 8px;
  position: relative;
}
.jsavmodelanswer .jsavcounter {
  float: left;
  left: 10px;
  position: absolute;
  top: 15px;
}
.jsavmodelanswer .jsavcontrols span {
  margin: 5px 20px 0 0;
}
.jsavmodelanswer .jsavcontrols .jsavend {
  margin-right: 0;
}
/* move the (model answer) dialog outside of view when preparing it */
.jsavdialog.jsavmodelpreparing {
  left: -110% !important;
}

.jsavexercisecontrols {
  position: relative;
}

.jsavexercisecontrols .actionIndicator {
  display: inline-block;
  width: 15px;
  height: 15px;
  position: absolute;
}
.jsavexercisecontrols.active .actionIndicator {
  background-image: url(images/spinner.gif);
}
/* Customized buttons */
.jsavexercisecontrols input[type="button"] {
  background-color: #eee;
  background: linear-gradient(#fff, #ccc);
  border: 1px solid #777;
  margin: 0;
  padding: 3px 10px;
  cursor: pointer;
}
.jsavexercisecontrols input[type="button"]:hover {
  background-color: #ddd;
  background: linear-gradient(#fff, #bbb);
}
.jsavexercisecontrols input[type="button"]:last-of-type {
  border-top-right-radius: 7px;
  border-bottom-right-radius: 7px;
}
.jsavexercisecontrols input[type="button"]:first-of-type {
  border-top-left-radius: 7px;
  border-bottom-left-radius: 7px;
}
.jsavexercisecontrols input[type="button"]:not(:last-of-type) {
  border-right: none;
}
/********* TREE / GRAPH DATA STRUCTURE *******/

.jsavtree, .jsavgraph, .jsavlist {
  position: relative;
  background-color: inherit;
}
.jsavtreenode, .jsavgraphnode {
  border-radius: 23px;
  position: absolute;
}
.jsavnullnode {
  min-width: 20px;
  border-color: #eee;
  opacity: 0;
}
.jsavnulledge {
  stroke: transparent;
  opacity: 0;
}

.jsavedgelabel {
  background-color: inherit;
  z-index: 700;
  position: absolute;
  display: inline-block;
  margin: 0;
  color: #0025e8;
}

/******** LINKED LIST STRUCTURE ******/
.jsavpointerarea {
  background-color: #eee;
  display: block;
}
.jsavhorizontallist .jsavpointerarea {
  border-left: 1px solid black;
  position: absolute;
  right: 0;
  top: 0;
  width: 10px;
  height: 100%;
}

.jsavverticallist .jsavpointerarea {
  border-top: 1px solid black;
  bottom: 0;
  height: 10px;
  position: absolute;
  width: 100%;
}
.jsavhorizontallist.jsavautoresize .jsavnode {
  min-width: 33px;
  min-height: 45px;
  padding-right: 12px;
}
.jsavverticallist.jsavautoresize .jsavnode {
  min-width: 45px;
  min-height: 33px;
}
.jsavlistnode {
  position: absolute;
  border-radius: 3px;
}
.jsavverticallist .jsavlistnode .jsavpointerarea {
  border-bottom-left-radius: 3px;
  border-bottom-right-radius: 3px;
}
.jsavhorizontallist .jsavlistnode .jsavpointerarea {
  border-top-right-radius: 3px;
  border-bottom-right-radius: 3px;
}
.jsavhorizontallist .jsavnonext .jsavpointerarea:after {
    display: inline-block;
    content: "";
    height: 104%;
    width: 1px;
    background-color: #000;
    transform: rotate(12deg);
}
.jsavlist .jsavedge {
  stroke-width: 2;
}

/******** PSEUDOCODE VIEW *******/
.jsavcode {
  font-family: monospace;
}
ul.jsavcode {
  list-style: none;
  padding: 0;
}
.jsavcodeline {
  background-color: #FAFAFA;
  padding: 2px 10px;
  white-space: pre;
}
.jsavcodeline.jsavpreviousline {
  background-color: #eee;
}
.jsavcodeline.jsavcurrentline {
  background-color: #ccc;
}
.jsavcodeline.jsavhighlight {
  background-color: white;
}
.jsavhiddencode {
  display: none !important;
}

/******** POINTER STRUCTURE ****/
.jsavpointer .jsavpointerarea {
  border: 1px solid black;
  height: 10px;
  width: 10px;
  margin: 0 auto;
  position: relative;
}
.jsavnullpointer .jsavpointerarea:after {
  content: "";
  display: block;
  width: 14px; /* sqrt(width^2+height^2) */
  height: 1px;
  position: absolute;
  right: 0;
  top: 0;
  background-color: red;
  -webkit-transform: rotate(-45deg);
  -webkit-transform-origin: right top;
  -ms-transform: rotate(-45deg);
  -ms-transform-origin: right top;
  -o-transform: rotate(-45deg);
  -o-transform-origin: right top;
  -moz-transform: rotate(-45deg);
  -moz-transform-origin: right top;
  transform: rotate(-45deg);
  transform-origin: right top;
}
.jsavpointer .jsavlabel {
  margin-top: 0;
  margin-bottom: 0;
}

/******** MATRIX DATA STRUCTURE ****/
.jsavmatrix .jsavarray {
  margin: 0 auto;
  height: 30px;
  min-height: 20px;
}
.jsavmatrix .jsavarray li.jsavnode {
  border-radius: 0;
  width: 30px;
  height: 30px;
  font-size: 14px;
  border-top: none;
}
.jsavmatrix .jsavarray.jsavautoresize li.jsavnode {
  min-height: 30px;
  min-width: 30px;
  height: auto;
  width: auto;
}
.jsavmatrix .jsavarray .jsavvalue {
  height: 20px;
}
.jsavmatrix .jsavarray:first-child li {
  border-top: 1px solid black;
}

.jsavmatrix.jsavmatrixplain .jsavarray li.jsavnode, 
.jsavmatrix.jsavmatrixmatrix .jsavarray li.jsavnode {
  border: none;
  box-shadow: none;
}
.jsavmatrix.jsavmatrixmatrix {
  border-left: 2px solid black;
  border-right: 2px solid black;
  border-radius: 10px;
  padding: 10px;
}


/******** Event prevention DIV shutter ******/
.jsavshutter {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 900;
}
.jsavplaying .jsavshutter {
  display: block;
  /* prevent text selection when playing */
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.jsavquestionframe {
  width: 100%;
  height: 100%;
}

.jsavswap, .jsavswap .jsavvalue {
  background-color: pink !important;
  color: red !important;
}

.jsavdisabled {
  pointer-events: none;
}

/******** KEY-VALUE PAIR DATA STRUCTURE ****/
.jsav-pair-section {
  display: flex;
  margin-top: 5px;
}

.jsav-pair {
  min-width: 70%;
  position: relative;
  display: inline-block;
  text-align: center;
  margin: 0 auto;
  list-style: none;
  border: 2px solid black;
  font-size: 1.1em;
  font-family: monospace;
  box-shadow: 2px 2px 5px rgba(120, 120, 120, 0.5);
}

.jsav-pair.jsav-pair-highlight {
  background-color: green;
}

.jsav-pair-key,
.jsav-pair-values {
  line-height: 40px;
  display: inline-block;
  box-sizing: border-box;
}

.jsav-pair-key {
  width: 40%;
  float: left;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
}

.jsav-pair-key.jsav-pair-key-highlight {
  background-color: cornflowerblue;
}

.jsav-pair-values {
  width: 60%;
  float: right;
  border-left: 2px solid black;
}

.jsav-pair-values.jsav-pair-values-highlight {
  background-color: white;
}

.jsav-pair:hover {
  background-color: rgba(0, 0, 0, 0.2);
  cursor: pointer;
}

.idContainer {
  width: 100px;
  height: 44px;
  color: black;
  display: inline-block;
  text-align: center;
  margin: 0 auto;
  box-sizing: border-box;
  border: 2px solid black;
}