:root {
  --text: #1a1a1a;
  --hintergrund: #f6f6f4;
  --flaeche: #ffffff;
  --link: #0b4f8a;
  --linie: #d6d6d0;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --text: #f2f2ee;
    --hintergrund: #161616;
    --flaeche: #1f1f1f;
    --link: #8ec5f2;
    --linie: #3a3a3a;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--hintergrund);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
}

h1 {
  font-size: 1.75rem;
  line-height: 1.25;
  margin: 0 0 1rem;
}

h2 {
  font-size: 1.25rem;
  line-height: 1.3;
  margin: 2rem 0 0.5rem;
}

p,
ul,
ol {
  margin: 0 0 1rem;
}

ul,
ol {
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.5rem;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:focus-visible {
  outline: 3px solid var(--link);
  outline-offset: 2px;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1rem;
  overflow-wrap: anywhere;
  background: var(--flaeche);
  border: 1px solid var(--linie);
  border-radius: 0.375rem;
  padding: 0.125rem 0.375rem;
}

.kennung {
  display: block;
  background: var(--flaeche);
  border: 1px solid var(--linie);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  margin: 0 0 1rem;
}

.navigation {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.navigation li {
  background: var(--flaeche);
  border: 1px solid var(--linie);
  border-radius: 0.5rem;
  margin-bottom: 0.75rem;
}

.navigation a {
  display: block;
  padding: 0.875rem 1rem;
  min-height: 2.75rem;
  font-weight: 600;
  text-decoration: none;
}

.navigation a:hover {
  text-decoration: underline;
}

footer {
  border-top: 1px solid var(--linie);
  margin-top: 2.5rem;
  padding-top: 1rem;
  font-size: 1rem;
}

footer ul {
  list-style: none;
  max-width: 42rem;
  padding: 0 1rem;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

footer li {
  margin: 0;
}

address {
  font-style: normal;
  margin: 0 0 1rem;
}