:root {
  --fg: #c4c4c4;
  --fg-dark: #737373;
  --bg: #181818;
  --bg-dark: #121212;
  --bg-light: #242424;
  --accent-fg: #993131;
  --accent-bg: #802626;
  --main-font-size: 1.1em;
  --font-body: "Open Sans", "DejaVu Sans", sans-serif;
  --font-mono: "Fira Mono Medium", "DejaVu Sans Mono", monospace;
}

body {
  background: var(--bg);
  color: var(--fg);
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: 1fr minmax(30ch, 80ch) 1fr;
  grid-template-areas:
    "header header header"
    "left main right"
    "footer footer footer";
  font-family: var(--font-body);
  font-size: var(--main-font-size);
  line-height: 1.6;
  margin: 0;
  min-height: 100vh;
  padding: 0;
}

main {
  grid-area: main;
  padding: 1em;
}

#siteheader {
  grid-area: header;
  display: grid;
  grid-template-columns: subgrid;
  font-family: var(--font-mono);
  background: var(--bg-dark);
  padding: .5em 0;
}

#siteheader a {
  color: var(--fg);
}

#siteheader a:hover, #siteheader a:focus {
  background-color: var(--fg);
  color: var(--bg-dark);
}

@keyframes blink {
  50% { visibility: hidden; }
}

#sitetitle {
  grid-column: 2;
  padding: 0 1em;
}

#sitetitle::after {
  content: "_";
  animation: blink 1s steps(1, end) infinite;
}

#path::before {
  content: "[";
}

#path::after {
  content: "]";
}

nav {
  grid-column: 2;
  padding: 0 1em;
}

nav ul {
  padding: 0.4em 0;
  margin: 0;
}

nav li {
  display: inline-block;
  padding-right: 0.4em;
}

nav li a::after {
  content: "/";
}

footer {
  grid-area: footer;
  display: grid;
  grid-template-columns: subgrid;
  background: var(--bg-dark);
  font-family: var(--font-mono);
  font-size: 0.8em;
  padding: .5em 0;
}

footer p {
  grid-area: main;
  padding: 0 1em;
}

.postheader {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.postheader time {
  font-size: 1.1em;
  font-weight: bold;
}

h1 {
  margin: 1ex 0 0 0;
}

.postheader, h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono);
}

.postheader, h2 {
  border-bottom: 4px solid var(--accent-bg);
}

a {
  color: var(--accent-fg);
  text-decoration: none;
  font-weight: bold;
}

a:focus, a:hover {
  color: var(--bg);
  background-color: var(--accent-bg);
}

/* code snippets */

pre {
  font-family: var(--font-mono);
  background-color: var(--bg-light);
  border-left-style: solid;
  border-width: 4px;
  border-color: var(--accent-bg);
  overflow: auto;
  padding: 0.4em;
}

pre code {
  padding: 0;
}

code {
  font-family: var(--font-mono);
  background-color: var(--bg-light);
  padding: 0.1em 0.4em;
}

/* lists */

ul {
  list-style-type: square;
  margin: 0 0 0 1.2em;
  padding: 0;
}

::marker {
  color: var(--accent-fg);
  font-size: 1.4rem;
}