:root {
  --panel-padding: 10px;
  --panel-margin: 1em 8% 1em 8%;
  --panel-fontsize: 0.8rem;
  --panel-lineheight: 1.2em;
  --color-intro-box: rgb(  90,  83, 119);
  --color-warning:   rgb( 210,  32,  49);
  --color-reading:   rgb(   0, 134,  44);
  --color-educator:  rgba(116, 116, 255, 0.60);
  --color-code:      rgb( 230, 230, 230);
}

main {
  text-align: justify;
  max-width: 800px;
  margin: 60px auto;
  line-height: 1.75em;
  padding: 0 10px;
}

/* Special Panels */

div.intro-box {
  border-top: 5px var(--color-intro-box) solid;
  border-bottom: 5px var(--color-intro-box) solid;
  padding: 15px;
  margin: var(--panel-margin);
  line-height: var(--panel-lineheight);
  text-align: center;
  margin-bottom: 3em;
}

div.intro-box > ul {
  text-align: left;
}

div.intro-box > p:first-child {
  margin-top: 0;
}

div.intro-box > p:last-child {
  margin-bottom: 0;
}

div.warning {
  border-top: 5px var(--color-warning) solid;
  border-bottom: 5px var(--color-warning) solid;
  padding: var(--panel-padding);
  margin: var(--panel-margin);
  font-size: var(--panel-fontsize);
  line-height: var(--panel-lineheight);
}

div.warning > p:first-child {
  margin-top: 0;
}

div.warning > p:first-child:before {
  content: "❗ Attention: ";
  font-weight: bold;
}

div.warning > p:last-child {
  margin-bottom: 0;
}


div.further-reading {
  border-top: 5px var(--color-reading) solid;
  border-bottom: 5px var(--color-reading) solid;
  padding: var(--panel-padding);
  margin: var(--panel-margin);
  font-size: var(--panel-fontsize);
  line-height: var(--panel-lineheight);
}

div.further-reading > p:first-child {
  margin-top: 0;
}

div.further-reading > p:first-child:before {
  content: "💡 ";
  font-weight: bold;
}

div.further-reading > p:last-child {
  margin-bottom: 0;
}


div.for-educators {
  background-color: var(--color-educator);
  padding: var(--panel-padding);
  border-radius: var(--panel-padding);
  margin: var(--panel-margin);
  font-size: var(--panel-fontsize);
  line-height: var(--panel-lineheight);
}

div.for-educators > p:first-child {
  margin-top: 0;
}

div.for-educators > p:first-child:before {
  content: "🎓 For educators: ";
  font-weight: bold;
}

div.for-educators > p:last-child {
  margin-bottom: 0;
}


div.sourceCode {
  background-color: var(--color-code);
  padding: var(--panel-padding);
  border-radius: var(--panel-padding);
  margin: var(--panel-margin);
  font-size: var(--panel-fontsize);
  line-height: 1em;
}

div.sourceCode > pre:before {
  /*content: "🤖";*/
  font-weight: bold;
  display: block;
}

p > code {
  font-weight: bold;
}

div.ssw-container {
  padding: var(--panel-padding);
  border-radius: var(--panel-padding);
  margin: var(--panel-margin);
  font-size: var(--panel-fontsize);
  line-height: 1em;
}
div.ssw-container * {
  font-size: var(--panel-fontsize);
}

/* Figures and tables */

video {
  text-align: center;
  max-width: 65%;
  height: auto;
  margin: auto;
  display: block;
}

figure {
  text-align: center;
}

figure > img {
  max-width: 60%;
  height: auto;
}

figure > figcaption {
  font-size: 0.9rem;
  line-height: 1.1rem;
}

.imagecredit {
  font-size: 0.8em;
  display: block;
}

.footnote {
  border-bottom: solid 1px;
  border-bottom-style: dashed;
  border-bottom-color: #631187;
  position: relative;
}

.footnote span {
  visibility: hidden;
  position: absolute;
  background-color: white;
  max-width: 200px;
  min-width: 100px;
  font-size: 0.8em;
  line-height: 1em;
  padding: 0.5em;
  text-align: left;
  border-radius: 0.4em;
  border: 1px solid black;
  z-index: 10;
}

.footnote:hover span {
  visibility: visible;
}

table {
  margin: 1rem auto;
  border: solid 1px gray;
  border-collapse: collapse;
}

th {
  font-weight: bold;
}

th, td {
  border: solid 1px gray;
  padding: 0 0.5rem;
}

/* TOC */

#TOCbutton {
  z-index: 10;
  position: fixed;
  left: 0;
  top: 0;
  background: var(--color-code);
  padding: var(--panel-padding);
  border-radius: 0 0 var(--panel-padding) 0;
}

#TOC {
  z-index: 20;
  position: fixed;
  left: 0;
  top: 0;
  display: none;
  background: var(--color-code);
  padding: var(--panel-padding);
  border-radius: 0 0 var(--panel-padding) 0;
}

#TOC:target {
  display: block;
}

#TOCclose::after {
  right: 0;
  bottom: 0;
  width: 1rem;
  height: 1rem;
  position: absolute;
  display: flex;
  z-index: 1;
  align-items: center;
  justify-content: center;
  background-color: black;
  border-radius: 50% 0 50% 0;
  color: white;
  content: "×";
  cursor: pointer;
}

/* Header */

header {
  text-align: center;
}

header > h1 {
  font-size: 2rem;
}

header > img {
  max-width: 1500px ;
  max-height: 484px;
  object-fit: contain;
  width: 90%;
}

header > video {
  max-width: 1500px ;
  max-height: 484px;
  width: 90%;
}

#TOC ul {
  list-style: none;
  font-size: var(--panel-fontsize);
}

/* Comments */

#isso-thread {
  font-size: 12px;
}

#isso-thread > div {
  display: none;
}

#isso-thread > h4 {
  text-decoration: underline solid;
}

#isso-thread > h4:hover {
  text-decoration-style: solid;
  cursor: pointer;
}