/* Largely copied from https://simplecss.org/ */

:root {
  --bg: #755f67;
  --accent-bg: #353535;
  --text: #ffffff;
  --border: #000000;
  --accent: lightblue;
  --code: #b2c5ff;
  --preformatted-bg: #444;
  --marked: #ffdd33;
  --disabled: #efefef;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #212121;
    --accent-bg: #2b2b2b;
    --text: #dcdcdc;
    --border: #666;
    --accent: #ffb300;
    --code: #9cc0ff;
    --preformatted-bg: #141414;
    --disabled: #111;
  }
}

/* Make the body a nice central block */
body {
  color: var(--text);
  background: var(--bg);
  font-size: 1.15rem;
  line-height: 1.5;
  margin: 0;
}

#content, #preamble > nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Make the header bg full width, but the content inline with body */
#preamble, #postamble {
  background: var(--accent-bg);
  text-align: center;
  padding: 0.1rem;
  box-sizing: border-box;
}

/* Format headers */

/* Fix line height when title wraps */
h1,
h2,
h3 {
  line-height: 1.1;
}

/* Format links & buttons */
a,
a:visited {
  color: var(--text);
}

a:hover {
  text-decoration: none;
}

code {
  color: var(--code);
}

button,
[role="button"],
input[type="submit"],
input[type="reset"],
input[type="button"] {
  border: none;
  background: var(--accent);
  font-size: 1rem;
  color: var(--bg);
  padding: 0.7rem 0.9rem;
  margin: 0.5rem 0;
}

button:focus,
button:enabled:hover,
[role="button"]:focus,
[role="button"]:not([aria-disabled="true"]):hover,
input[type="submit"]:focus,
input[type="submit"]:enabled:hover,
input[type="reset"]:focus,
input[type="reset"]:enabled:hover,
input[type="button"]:focus,
input[type="button"]:enabled:hover {
  cursor: pointer;
}

/* Format navigation */
nav {
  display: flex;
  align-content:   space-between;
  align-items:     center;
  justify-content: space-between;
  font-size: 1rem;
  line-height: 2;
}

/* Use flexbox to allow items to wrap, as needed */
nav a {
  list-style-type: none;
  margin:          0;
  padding:         0;
  font-size: large;
  text-decoration: none;
}

nav a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

nav a:last-child {
  margin-right: 0;
}

nav > div {
  display: flex;
  align-items: center;
}

nav > div > a {
  margin: 3px;
}

/* Hide duplicate h1 titles and table of contents heading*/
.settitle,
.top,
.contents-heading {
  display: none;
}

pre {
  padding: 1ex;
  min-width: 0;
  font-size: 80%;
  overflow: auto;
  background-color: var(--preformatted-bg);
  border: 1px solid var(--border);
}

/* Remove big gaps in TOC */
pre.menu-comment {
  background: none;
  border: none;
  font-family: sans-serif;
  padding: 0;
  margin: 0;
  font-size: 100%;
}

/* I couldn't figure out how to stop org mode from inserting horizontal rules all over */
hr {
  display: none;
}

thead {
  border-bottom: 1px solid var(--border);
}

tfoot {
  border-top: 1px solid var(--border);
}

blockquote {
  margin-left: 1rem;
  font-style: italic;
  font-family: serif;
  border-left: 3px solid;
  border-left-color: currentcolor;
  border-color: var(--text);
  padding-left: 1em;
}

/* Style groups of "Key:", "Command:", "User Option:", etc. */
dl {
  border-left: 2px solid var(--accent);
  margin-left: 0.5rem;
  padding-left: 1rem;
}

kbd.kbd {
  color: var(--marked);
  padding-right: 1rem;
}

.multitable {
  margin: 0 auto;
}