:root {
  --font-main: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  --font-mono: ui-monospace, Menlo, Monaco, "Cascadia Mono", "Segoe UI Mono", "Roboto Mono", "Oxygen Mono", "Ubuntu Monospace", "Source Code Pro", "Fira Mono", "Droid Sans Mono", "Courier New", monospace;
  --tint: color-mix(in oklab, Field 90%, black 10%);
  --tint-dark: color-mix(in oklab, ButtonBorder 80%, black 20%);

  --bg: #f5f6fa;
  --surface: #fff;
  --error: #ffbc9b;
  --text: #1b1e27;
  --muted: #5b6270;
  --border: #e3e5eb;
  --accent: #0e6df0;
  --accent-dark: #0a4fb0;
  --accent-lite: #eee;
  --code-bg: #eee;
  --code-text: #12151e;
  --table-head: #eef2fb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1117;
    --surface: #171a23;
    --error: #36090d;
    --text: #e7e9f0;
    --muted: #9aa1b2;
    --border: #2a2e3a;
    --accent: #4d9bff;
    --accent-dark: #8fc1ff;
    --accent-lite: #004370;
    --code-bg: #0b0d12;
    --code-text: #d9dee9;
    --table-head: #1f2330;
  }
}

*, *::after, *::before {
  margin: 0;
  padding: 0;
  box-sizing: inherit;
  scrollbar-width: thin;
}

body {
  font-family: var(--font-main);
  font-size: 1em;
  color-scheme: light dark;
  color: var(--text);
  background-color: var(--bg);
  padding-inline-start: calc(100vi - 100%);
  box-sizing: border-box;
  line-height: 1.6;
  touch-action: manipulation;
}

.site-header, .site-footer, main {
  max-inline-size: 55em;
  padding: 0 4vi;
  margin: 0 auto;
}

.site-header {

  margin-block: 1.5rem;

  input, label { display: none; }

  .wrapper {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }

  .site-title {
    font-size: 2em;
    font-weight: bold;
    text-decoration: none;
    color: var(--text);

    &:hover, &:active, &:focus {
      color: var(--accent);
    }
  }

  .page-link {
    margin-inline-start: 1em;
  }

}

.site-footer {

  .wrapper {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }

  ul, li {
    padding: 0;
    margin: 0;
    list-style-type: none;
  }

  a {
    display: block;
  }

  a:hover, a:active, a:focus {
    text-decoration: none;
    span { text-decoration: underline; }
  }

  svg, span {
    display: inline-block;
  }

  svg {
    block-size: 1em;
    inline-size: 1.2em;
    vertical-align: middle;
  }

}

main .wrapper, .site-footer .wrapper {
  padding: 1.5em 2em;
  margin-block-end: 1.5em;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.9em;
}

.badge {
  inline-size: 4.75em;
  block-size: 4.75em;
  padding: 1em;
  border-radius: 1.25em;
  background: linear-gradient(160deg, var(--accent), var(--accent-dark));
  box-shadow: 0 8px 24px rgba(14, 109, 240, 0.25);
}

h1 {
  font-size: 2em;
  line-height: 1.5;
}

h1 span {
  display: block;
  font-size: 0.5em;
  font-weight: normal;
  color: var(--muted);
}

main h1:not(:first-child) {
  font-size: 1.5em;
  margin-block-start: 2em;
}

main {

  h1, h2, h3, h4 {

    font-size: 1.8em;

    &:not(:first-child) {
      margin-block: 2em 0.2em;

      & + * {
        margin-block-start: 0;
      }
    }

  }

  h2 { font-size: 1.6em; }
  h3 { font-size: 1.4em; }
  h4 { font-size: 1.2em; }

}

p, li, pre {
  margin-block-start: 1em;
}

ul {
  list-style-type: square;
  padding-inline-start: 2em;
  margin-block-start: 1em;
}

.table {
  overflow: auto;
}

table {
  inline-size: 100%;
  font-size: 0.92em;
  border-collapse: collapse;
  empty-cells: show;
  margin: 1.5em auto;
}

th, td {
  border: 1px solid var(--border);
}

th {
  background-color: var(--table-head);
}

caption, th, td {
  text-align: start;
  padding: 0.5em;
}

table:not(:has(thead)) {
  th { inline-size: 10em; text-align: end; }
  td { text-align: start; }
}

table {

   a {
    display: block;
  }

  code {
    background-color: inherit;
  }

  br {
    display: none;
  }

}

caption, th, strong {
  font-weight: 600;
}

pre, code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--code-text);
  background-color: var(--code-bg);
}

pre {
  white-space: pre;
  line-height: 1.5;
  padding: 0.875em 1.125em;
  border-radius: 0.625em;
  overflow-x: auto;
  overflow-y: hidden;
}

code {
  display: inline-block;
  padding: 0 0.25em;
  border-radius: 3px;
  user-select: all;
}

pre code {
  font-size: 1em;
}

blockquote {
  font-style: italic;
  color: var(--muted);
  padding-inline-start: 1em;
  border-inline-start: 4px solid var(--border);
}

a:link, a:visited {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 0.2em;
}

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

*:focus-visible {
  outline-color: color-mix(in srgb, var(--accent) 40%, transparent);
  outline-style: solid;
  outline-offset: 0.2em;
  outline-width: 0.2rem;
}

svg {
  inline-size: 100%;
  block-size: 100%;
  stroke: currentColor;
  fill: currentColor;
}

svg[hidden] {
  display: none;
}

h2 svg {
  inline-size: 1.25em;
  block-size: 1.25em;
  vertical-align: middle;
  margin-inline-end: 0.25em;
  color: var(--accent);
}