/* Reveal lay-out changes */
.reveal .slides { /* change the font-size */
    font-size: 70%;
}

code.hljs { /* but restore the font-size of the code blocks */
    font-size: 100%;
}

.slide-background-content {  /* make background images transparent for readability */
    opacity: 0.3;
}

/* add https://bartdelrue.github.io/balls/ on first slide */
.reveal .backgrounds > div:first-child > .slide-background-content  {
    background-image: radial-gradient(circle at -29% 0%, #00000031 52%, transparent 52.05%),radial-gradient(circle at -5% -50%, #00000021 51%, transparent 51.05%),radial-gradient(circle at 62% 6%, #00000028 54%, transparent 54.05%);
}

/* introducing hide-when-not-current class for disappearing fragments */
:not(.current-fragment).hide-when-not-current {
    display: none;
}

/* custom code elements */
code {
    background: rgba(255,255,255,0.3);
    font-size: 0.55em;
}

.has-light-background code {
    background: rgba(0,0,255,0.2);
}

del code, code.nok {
    color: #C55;
}

ins code, code.ok {
    color: #008800;
}

.warning {
    background: #ffffff;
    color: #ff2c2d;
    font-size: 0.75em;
}

.has-light-background .warning {
    background: #000000;
}

.reveal ::selection {
    color: #fff;
    background: #4d7e65;
    text-shadow: none; }

/* zoomable components */
.zoomable-12:hover {
    transform: scale(1.2);
}

.zoomable-15:hover {
    transform: scale(1.5);
}

.zoomable-20:hover {
    transform: scale(2);
}

/* slides with columns */
.columns .column {
    float: left;
    list-style: none;
    margin: 0;
    padding: 0;
}

.columns .column img {
    max-width: 100%;
}

.columns .column-12 {
    width: 50%;
}

.columns .column-13 {
    width: 33.333%;
}

/* warnings */
/* TODO */

/* quick fixes */
.reveal table.doctable th, .reveal table.doctable td {
    text-align: center;
    width: 2em;
}
/*********************************************
 * TABLE OF CONTENTS
 *********************************************/

.reveal .toc {
    display: block;
    position: fixed;
    left: 0;
    top: -4px;
    z-index: 1000;
}

.reveal .toc nav {
    padding: 10px;
    width: 280px;
    max-height: 545px;
    max-height: 100vh;
    overflow-y: auto;
    z-index: 99999;
    background: #555a5f;
    letter-spacing: 0.5px;
    opacity: 0.3;
    white-space: nowrap;
    color: #fff;
}

.reveal .toc nav a {
    color: #ffffff;;
}

.reveal .toc nav a:hover {
    color: #d7d0cf;
}

.reveal .toc nav:hover {
    opacity: 0.97;
    background: #b5533c;
    box-shadow: 3px 3px 7px #1c1e20;
}

.reveal .toc nav > p {
    font-size: 14px;
    padding: 3px;
    line-height: 20px;
    cursor: pointer;
    margin: 0;
}

.reveal .toc nav > ul {
    line-height: 20px;
    display: none;
    list-style: none;
    margin: 0;
    padding: 0;
}

.reveal .toc nav > ul > li {
    padding: 5px 0;
    font-size: 16px;
    padding-left: 5px;
    position: relative;
    list-style: none;
}

.reveal .toc nav > ul > li > ul {
    margin: 0;
    padding: 4px 0 0 20px;
    opacity: 0.7;
}

.reveal .toc nav > ul > li > ul > li {
    font-size: 12px;
    position: relative;
    list-style: none;
}

.reveal .toc nav:hover ul {
    display: block;
}

.reveal .toc nav .pagenr {
    position: absolute;
    top: 2px;
    right: 5px;
    color: #ccc;
}

.reveal .toc nav > ul > li > ul > li a {
    border-bottom: 1px dotted #ccc;
}

/*********************************************
 * OVERLAY
 *********************************************/

#overlayBack {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: #000;
    opacity: 0.7;
    z-index: 1000;
}

#overlayContent {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 1001;
    background: #EFEFEF;
    box-shadow: rgba(0, 0, 0, 0.296875) 0px 0px 6px 0px;
}

.reveal code.hljs + input[type=submit] {
    float: right;

}

/*********************************************
 * TOOLTIP
 *********************************************/

.reveal .hastooltip {
    position: relative;
}

.reveal .hastooltip .tooltip {
    position: absolute;
    bottom: 5px;
    right: 5px;
    background-image: url('assets/comments.png');
    background-position: bottom right;
    background-repeat: no-repeat;
    width: 60px;
    height: 60px;
    z-index: 110;
}

.reveal .tooltip div {
    display: none;
    position: absolute;
    bottom: 30px;
    right: 40px;
    font-size: 50%;
    line-height: 1.48;
    min-width: 420px;
    opacity: 0.9;
    border: 2px solid #ccc;
    padding: 20px;
    background-color: #ffc;
    background-image: -webkit-linear-gradient(rgba(255,255,255,.5), rgba(255,255,180,0));
    background-image: -moz-linear-gradient(rgba(255,255,255,.5), rgba(255,255,180,0));
    background-image: -ms-linear-gradient(rgba(255,255,255,.5), rgba(255,255,180,0));
    background-image: -o-linear-gradient(rgba(255,255,255,.5), rgba(255,255,180,0));
    background-image: linear-gradient(rgba(255,255,255,.5), rgba(255,255,180,0));
    border-radius: 4px;
    box-shadow: 0 1px 2px rgba(0,0,0,.4), 0 1px 0 rgba(255,255,255,.5) inset;
    text-shadow: 0 1px 0 rgba(255,255,255,.4);
    color: #333;
}

.reveal .tooltip:hover div {
    display: block;
}

.reveal .tooltip ul {
    margin: 5px 5px 5px 15px;
}

.reveal .tooltip ul li {
    margin-left: 10px;
}

.reveal .tooltip div *:last-child {
    margin-bottom: 0;
}