:root {
  --bg: #f6f5f1;
  --panel: #fff;
  --text: #1d2228;
  --muted: #5d6670;
  --line: #d9d6cd;
  --accent: #2f6db5;
  --good: #3d8b4f;
  --bad: #b3261e;
  --pass: #1f6f8b;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme=light]) {
    --bg: #15181c;
    --panel: #1e2227;
    --text: #e6e8eb;
    --muted: #9aa3ad;
    --line: #343a42;
    --accent: #7fb0ec;
    --good: #7cc58a;
    --bad: #f2b8b5;
    --pass: #6fc3df;
  }
}

:root[data-theme=dark] {
  --bg: #15181c;
  --panel: #1e2227;
  --text: #e6e8eb;
  --muted: #9aa3ad;
  --line: #343a42;
  --accent: #7fb0ec;
  --good: #7cc58a;
  --bad: #f2b8b5;
  --pass: #6fc3df;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, sans-serif;
}

header,
main,
footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
}

header,
footer {
  border-bottom: 1px solid var(--line);
}

footer {
  border-top: 1px solid var(--line);
  border-bottom: 0;
  margin-top: 24px;
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav li ul {
  display: inline-flex;
  gap: 6px 12px;
}

nav li span {
  margin-right: 8px;
}

article {
  max-width: 850px;
}

h1 {
  font-size: 24px;
  line-height: 1.25;
  margin: 8px 0;
}

h2 {
  font-size: 18px;
  margin: 24px 0 8px;
}

h3 {
  font-size: 16px;
  margin: 20px 0 6px;
}

p,
ul,
ol {
  margin: 10px 0 16px;
}

li + li {
  margin-top: 6px;
}

nav li + li {
  margin-top: 0;
}

a {
  color: var(--accent);
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  padding: 8px 12px;
  background: var(--panel);
  z-index: 1;
}

.skip-link:focus {
  top: 8px;
}

.cta {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  padding: 14px;
  border-radius: 6px;
  margin: 20px 0;
}

.button {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: var(--panel);
  font-weight: 600;
  text-decoration: none;
}

.button:hover {
  text-decoration: underline;
}

.cta p {
  margin: 10px 0 0;
}

.muted,
figcaption,
.breadcrumb,
footer {
  color: var(--muted);
}

figure {
  margin: 24px 0;
}

img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
}

figcaption {
  font-size: 13px;
  margin-top: 8px;
}

.table {
  overflow-x: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  margin: 16px 0;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
}

caption {
  text-align: left;
  padding: 10px;
  font-weight: 600;
}

th,
td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 600;
}

code {
  overflow-wrap: anywhere;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 16px;
  margin: 20px 0;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 16px;
}

.card h2 {
  margin-top: 12px;
}

.example-links {
  margin: 28px 0 12px;
}

@media (max-width: 600px) {
  nav > ul {
    flex-direction: column;
  }

  nav li ul {
    display: flex;
    margin-top: 6px;
  }

  article {
    width: 100%;
  }
}