@import url("./plex-sans/css/plex-sans.css");
@import url("./plex-serif/css/plex-serif.css");
@import url("./plex-mono/css/plex-mono.css");

@import url("./main-light.css") (prefers-color-scheme: light);
@import url("./main-dark.css") (prefers-color-scheme: dark);

:root {
  --swsnr-font-family-emoji: "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol", "Noto Color Emoji", system-ui, sans-serif;
  --swsnr-font-family-serif: "IBM Plex Serif", serif;
  --swsnr-font-family-sans-serif: "IBM Plex Sans", sans-serif;
  --swsnr-font-family-monospace: "IBM Plex Mono", monospace;

  --swsnr-body-font: var(--swsnr-font-family-serif),
    var(--swsnr-font-family-emoji);
  --swsnr-monospace-font: var(--swsnr-font-family-monospace),
    var(--swsnr-font-family-emoji);
  --swsnr-heading-font: var(--swsnr-font-family-sans-serif),
    var(--swsnr-font-family-emoji);
  --swsnr-border-color: grey;

  font-family: var(--swsnr-body-font);
}

body {
  max-width: 40rem;
  margin: 0 auto;
  padding: 0.5em 2rem 1.5em;
  font-family: var(--swsnr-body-font);
}

pre {
  display: block;
  overflow-x: auto;
  font-size: 0.9em;
}

pre,
code,
kbd,
samp {
  font-family: var(--swsnr-monospace-font);
}

hr {
  border: none;
  text-align: center;

  &:after {
    content: "✲✲✲";
    text-align: center;
  }
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
  border-style: none;
  margin: 1em;
}

article {
  & p,
  & ul,
  & ol {
    text-align: justify;
    text-wrap: wrap;
    hyphens: auto;
  }
}

.header-anchor {
  display: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--swsnr-heading-font);
  text-wrap: balance;

  &:hover .header-anchor {
    display: inline;
  }
}

.swsnr-header-link {
  text-decoration: none;
  color: inherit;

  &:hover {
    text-decoration: underline;
  }

  &:visited {
    color: inherit;
  }
}

.frontpage {
  & article {
    margin-top: 4em;
  }
}

hr.footnotes-sep {
  border-top: 1px solid var(--swsnr-border-color);
  text-align: center;
  margin-left: 2rem;
  margin-right: 2rem;

  &:after {
    content: none;
  }
}

.footnotes {
  margin-left: 1rem;
  margin-right: 1rem;
  font-size: 0.85rem;
}

body > header {
  border-bottom: 1px solid var(--swsnr-border-color);
}

body > footer {
  border-top: 1px solid var(--swsnr-border-color);
}

nav {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;

  a {
    text-decoration: none;
  }

  & > ul {
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
    list-style: none;

    & li {
      padding: 1rem 0.5rem;
    }
  }
}

.copyright-wrapper {
  text-align: right;
}

/* Links which contain icons should not use link color or decorations. */
a:has(> .icon) {
  color: inherit;
  text-decoration: none;
}