/*
  variables
*/
:root {
  --text: var(--color-background);
  --background: var(--color-white);
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: var(--color-white);
    --background: var(--color-background);
  }
}

/*
  meta
*/
::selection {
  background: var(--color-yellow);
  color: var(--text);
}

@media (prefers-color-scheme: dark) {
  ::selection {
    color: var(--color-background);
  }
}

/*
  fonts
*/
@font-face {
  font-family: "Besley VF";
  font-style: normal;
  font-weight: 300 700;
  src: url(fonts/besley-latin-wght-normal.woff2) format("woff2-variations");
}

@font-face {
  font-family: "Fira Code VF";
  font-style: normal;
  font-weight: 300 700;
  src: url(fonts/fira-code-latin-wght-normal.woff2) format("woff2-variations");
}

/*
  colors
*/
.color-comment {
  color: var(--color-black);
}

.color-command {
  color: var(--color-green);
}

.color-param {
  color: var(--color-yellow);
}

.color-number {
  color: var(--color-cyan);
}

.color-op {
  color: var(--color-red);
}

.color-sub {
  color: var(--color-white-darkest);
}

/*
  general
*/
html,
* {
  font-family: "Besley VF", monospace;
  font-size: var(--base-size-article);
  color: var(--text);
}

/* media query for tablet to ensure minimal font size */
@media screen and (max-width: 1024px) {
  html,
  * {
    font-size: 16px;
  }
}

html {
  margin: 0;
  padding: 0;
  background-color: var(--background);
}

body {
  margin: 0;
  line-height: calc(var(--base-size) * 1.6);
}

header {
  position: absolute;
  padding: calc(var(--base-size) * 0.5) var(--base-size);
  top: 0;
  right: 0;
  text-align: right;
  max-width: 30vw;
  min-width: 30vw;
}

header,
header * {
  font-family: "Fira Code VF", monospace;
  font-size: calc(16px * 0.8);
  color: var(--color-black);
  background-color: transparent;
}

@media (prefers-color-scheme: dark) {
  header,
  header * {
    color: var(--text);
  }
}

/*
  sections
*/
main {
  margin: 0 auto;
  width: 61.5384615385vw;
  /* golden ratio 1.6:1 */
  max-width: 61.5384615385vw;
}

/* media query for tablet and below to ensure more width */
@media screen and (max-width: 1024px) {
  main {
    width: 90vw;
    max-width: 90vw;
  }
}

section {
  padding-bottom: var(--base-size);
}

section:first-of-type {
  padding-top: calc(var(--base-size) * 2.0);
}

/*
  footer
*/
footer,
footer * {
  font-family: "Fira Code VF", monospace;
  font-size: calc(16px * 0.8);
  line-height: calc(16px * 1.6);
  background-color: var(--color-background);
  color: var(--color-white-darkest);
}

@media (prefers-color-scheme: dark) {
  footer,
  footer * {
    background-color: #111;
    /* color: var(--color-white-lightest); */
  }
}

footer > p {
  margin: calc(var(--base-size-article) * 3.2) auto 0 auto;
  padding: calc(var(--base-size-article) * 1.6) 0 calc(var(--base-size-article) * 3.2) 0;
  width: 61.5384615385vw;
  /* golden ratio 1.6:1 */
  max-width: 61.5384615385vw;
}

/* media query for tablet and below to ensure more width */
@media screen and (max-width: 1024px) {
  footer > p {
    width: 90vw;
    max-width: 90vw;
  }
}

/*
  elements
*/
p.code {
  margin: 2rem 0;
  padding: 0.6rem 1rem;
  border-radius: 0.5rem;
  background-color: var(--color-background);
  color: var(--color-white);
  overflow-x: scroll;
}

@media (prefers-color-scheme: dark) {
  p.code {
    background-color: #111;
  }
}

p.code,
p.code * {
  font-family: "Fira Code VF", monospace;
  font-size: calc(var(--base-size) * 0.8);
  line-height: 1.2rem;
}

code {
  padding: 0.2rem 0.4rem;
  border-radius: 0.5rem;
  background-color: var(--color-paper);
  font-family: "Fira Code VF", monospace;
  font-size: calc(var(--base-size-article) * 0.8);
  line-height: 1.2rem;
}

@media (prefers-color-scheme: dark) {
  code {
    background-color: #111;
  }
}

code a {
  font-family: "Fira Code VF", monospace;
  font-size: calc(var(--base-size-article) * 0.8);
}

@media screen and (max-width: 1024px) {
  code {
    font-size: calc(16px * 0.8);
    line-height: 1.2rem;
  }

  code a {
    font-size: calc(16px * 0.8);
  }
}

hr {
  width: 62.5%;
  max-width: 62.5%;
  margin: 0 auto;
  border: none;
  border-top: 1px dotted var(--color-gray);
  padding-bottom: var(--base-size);
}

h1,
h2,
h3 {
  font-weight: 600;
}

h1 {
  font-size: calc(var(--base-size) * 2);
  line-height: calc(var(--base-size) * 2 * 1.6);
}

h2 {
  font-size: calc(var(--base-size) * 1.5);
  line-height: calc(var(--base-size) * 1.5 * 1.6);
}

h3 {
  font-size: calc(var(--base-size) * 1.2);
  line-height: calc(var(--base-size) * 1.2 * 1.6);
  font-weight: 500;
}

h4 {
  font-size: calc(var(--base-size) * 1.0);
  line-height: calc(var(--base-size) * 1.0 * 1.6);
  font-weight: 500;
}

a {
  color: var(--color-blue-darkest);
  text-decoration-color: var(--color-blue);
  overflow-wrap: break-word;
}

footer a {
  color: var(--color-white-darkest);
  text-decoration-color: var(--color-white-darkest);
}