:root {
  --sans-font: -apple-system, BlinkMacSystemFont, "Avenir Next", Avenir, "Helvetica Neue", Helvetica,
    "Noto Sans", "Nimbus Sans L", Roboto, "Segoe UI", Arial, sans-serif;
  --mono-font: "Fira Code", "SF Mono", SFMono-Regular, ui-monospace, Menlo, Monaco, Consolas, "Andale Mono", "Noto Sans Mono", "Ubuntu Mono", monospace;

  --bg: #f9f9f5;
  --accent-bg: #f8e6e3;
  --header-bg: #ab4a38;
  --header-hover: var(--header-text);
  --header-text: #fff;
  --text: #212121;
  --text-light: #585858;
  --border: #dedede;
  --img-border: #ccc;
  --accent: var(--header-bg);
  --code: var(--header-bg);
  --preformatted: #444;
  --marked: #fd3;
  --disabled: #efefef;
  --hover-brightness: brightness(0.6);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #1c1c1c;
    --header-bg: #8a3024;
    --accent-bg: #2b2b2b;
    --header-hover: var(--header-text);
    --header-text: #f9f9f5;
    --text: #d2cec8;
    --text-light: #ababab;
    --border: #666;
    --code: #f47c6c;
    --preformatted: #ccc;
    --disabled: #111;
    --hover-brightness: brightness(1.4);
  }
  img,
  video {
    opacity: 0.8;
  }
}

  *, *::before, *::after {
  box-sizing: border-box;
}

textarea,
select,
input,
progress {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

html {
  font-family: var(--sans-font);
  scroll-behavior: smooth;
}

body {
  color: var(--text);
  background: var(--bg);
  font-size: 1.15rem;
  line-height: 1.5;
  margin: 0;
}

body > header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr min(45rem, 90%) 1fr;
}

main {
  display: grid;
  grid-template-columns: 1fr min(45rem, 90%) 1fr;
}

main > * {
  grid-column: 2;
}

body > footer {
  color: var(--text-light);
  font-size: 0.9rem;
  text-align: center;
  padding: 1rem;
}

footer img {
  width: 13%;
}

@media only screen and (max-width: 720px) {
  footer img {
    width: 46%;
  }
}

  footer a, footer a:visited {
  color: var(--text-light);
}

footer a {
  margin-right: 1em;
}

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

p {
  margin: 1rem 0;
}

p > img, article > figure {
  float: right;
  margin: 0.3rem 0 0.3rem 1rem;
}

p > img, figure img, #aboutPhoto {
  border: 3px double var(--img-border);
}

article > figure figcaption {
  margin-bottom: 0;
}

#aboutPhoto {
  float: right;
  width: 39%;
  margin: 0.3rem 0 2rem 1rem;
}

h1 {
  font-size: 2.25rem;
  margin: 1.25rem 0;
}

h2 {
  font-size: 1.5rem;
  margin: 1rem 0 0 0;
}

h3 {
  font-size: 1.3rem;
  margin: 1rem 0 0 0;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.15rem;
}

h6 {
  font-size: 0.96rem;
}

  p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  line-height: 1.1;
}

  a, a:visited {
  color: var(--text);
  text-decoration: none;
}

  a:hover, a:active {
  text-decoration: underline;
}

abbr {
  cursor: help;
}

header > nav {
  padding: 1rem 0 0 0;
  grid-column: 2;
  width: 100%;
}

header > nav a,
header > nav a:visited {
  margin: 0 0.5rem 1rem 0.5rem;
  border: none;
  padding: 0;
  color: var(--header-text);
  display: inline-block;
  text-decoration: none;
  font-weight: bold;
}

header > nav a:hover {
  color: var(--header-hover);
}

header > nav .home a:first-child {
  margin-left: 0;
}

header > nav .links a:last-child {
  margin-right: 0;
}

header > nav .links {
  float: right;
}

  aside, details, pre, progress {
  background: var(--accent-bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  margin-bottom: 1rem;
}

aside {
  font-size: 1rem;
  width: 30%;
  padding: 0 15px;
  margin-left: 15px;
  float: right;
}

@media only screen and (max-width: 720px) {
  aside {
    width: 100%;
    float: none;
    margin-left: 0;
  }
}

fieldset {
  border: 1px solid var(--border);
  padding: 1rem;
  border-radius: 5px;
  margin-bottom: 1rem;
}

article > header {
  margin: 1.25rem 0 2rem 0;
}

article h1,
article h2 {
  margin: 0;
}

article time {
  margin-top: 0;
  font-size: 0.8rem;
  color: var(--text-light);
}

article.index > header {
  margin: 0 0 0.5rem;
}

  article, section {
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
}

section {
  margin-bottom: 1rem;
}

article.index:first-of-type {
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

  main p > a, main p > a:visited {
  text-decoration: underline;
}

article.index p {
  margin: 0;
}

article .more {
  text-decoration: underline;
  font-size: 0.8rem;
}

details {
  padding: 0.7rem 1rem;
}

summary {
  cursor: pointer;
  font-weight: bold;
  padding: 0.7rem 1rem;
  margin: -0.7rem -1rem;
  word-break: break-all;
}

details[open] > summary + * {
  margin-top: 0;
}

details[open] > summary {
  margin-bottom: 0.5rem;
}

details[open] > :last-child {
  margin-bottom: 0;
}

table {
  border-collapse: collapse;
  display: block;
  margin: 1.5rem 0;
  overflow: auto;
  width: 100%;
}

td,
th {
  border: 1px solid var(--border);
  text-align: left;
  padding: 0.5rem;
}

th {
  background: var(--accent-bg);
  font-weight: bold;
}

tr:nth-child(even) {
  background: var(--accent-bg);
}

table caption {
  font-weight: bold;
  margin-bottom: 0.5rem;
}

hr {
  color: var(--border);
  border-top: 1px;
  margin: 1rem auto;
}

mark {
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--marked);
}

img,
video {
  max-width: 100%;
  height: auto;
  border-radius: 5px;
}

figure {
  margin: 0;
  text-align: center;
}

figcaption {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

blockquote {
  margin: 2rem 0 2rem 2rem;
  padding: 0.4rem 0.8rem;
  border-left: 0.35rem solid var(--accent);
  color: var(--text-light);
  font-style: italic;
}

cite {
  font-size: 0.9rem;
  color: var(--text-light);
  font-style: normal;
}

dt {
  color: var(--text-light);
}

code,
pre,
pre span,
kbd,
samp {
  font-family: var(--mono-font);
  color: var(--code);
}

kbd {
  color: var(--preformatted);
  border: 1px solid var(--preformatted);
  border-bottom: 3px solid var(--preformatted);
  border-radius: 5px;
  padding: 0.1rem 0.4rem;
}

pre {
  padding: 1rem 1.4rem;
  max-width: 100%;
  overflow: auto;
  color: var(--preformatted);
}

pre code {
  color: var(--preformatted);
  background: none;
  margin: 0;
  padding: 0;
}

.rss {
  float: right;
  padding: 0.2rem 0.25rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: bold;
}

  .rss:link, .rss:visited, .rss:hover, .rss:active {
  color: #fff;
  text-decoration: none;
}

  .rss:link, .rss:visited {
  background: #f60;
}

  .rss:hover, .rss:active {
  background: #f82;
}