/* Dark theme with proper IDs and navigation */
:root {
    --bg-primary: #1e293b;
    --bg-secondary: #334155;
    --bg-dark: #111827;
    --bg-header: rgba(30, 41, 59, 0.95);
    --primary: #333661;
    --primary-dark: #4f4695;
    --accent: #4b5ca6;
    --a-visited: #4b5ca6;
    --text: #e5e7eb;
    --text-muted: #9ca3af;
    --border: #374151;
    --code-bg: #374151;
    --slide-bg: #0f172a;
    --content-max-width: 1000px;
}
.reveal {
    background-color: var(--bg-primary);
    color: var(--text);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-size: 18px;
    line-height: 1.6;
}
.reveal .slides {
    text-align:left;
}

h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}
.reveal .slides .date {
    font-size: 12px;
}
.reveal-viewport{
    background: var(--bg-dark);
    background-color: var(--bg-dark);
}
dl {
    display: grid;
    grid-template-columns: max-content auto;
}

dt {
    grid-column-start: 1;
    font-weight: 700;
}

dd {
    grid-column-start: 2;
}
.figure img{
    display: block;
    margin: auto;
    background:#ccc;
    /* max-height:300px; */
}
.legalese{
    display:none;
}
.reveal .controls .controls-arrow{
    color: #ada;
}
.timestamp{
    float: right;
    margin: 10px;
    font-size:12pt;
    color:#5c9;
}
.tag{
    float: right;
    margin: 10px;
    font-size:10pt;
    color:#9c4;
}
h4 {
    font-size:22pt;
}
.src {
    font-size:8pt;
}
code {
    font-size:8pt;
}
.example {
    font-size: 8pt;
}
.todo{
    float: right;
    margin: 30px;
    font-size:10pt;
    color:#c94;
}
table{
    /* display:block; */
    margin:auto;
}
.two_columns{
    display: flex;
}
.col_right{
    display: flex;
    flex: 1;
}
.col_left{
    display: flex;
    flex: 1;
}
div.palette, div.boardhandle {
  position: absolute;
/*
  height: 260px;
  margin: -130px 0 0 0px;
*/  
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  border-radius: 10px;
  border-top:    4px solid #222; 
  border-right:  4px solid #222; 
  border-bottom: 4px solid #222;
  background: black;
  transition: transform 0.3s;
}

div.palette  {
  left: -10px;
  padding-left:10px;
}

div.boardhandle {
  right: -10px;
  padding-right:10px;
}

div.palette > ul,
div.boardhandle > ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

div.palette > ul > li,
div.boardhandle > ul > li {
  margin: 10px;
}

@media print {
	div.palette, div.boardhandle { 
		display: none!important; 
	}
}