:root {
  --bg-body: #ffffff;
  --text-main: #222;
  --link-color: #0066cc;
  --border-color: #eee;
  --nav-bg: #f8f8f8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-body: #1a1a1a;
    --text-main: #e0e0e0;
    --link-color: #66b3ff;
    --border-color: #333;
    --nav-bg: #252525;
  }
}

body {
  margin: 0 auto;
  padding: 2rem 1rem;
  background-color: var(--bg-body);
  color: var(--text-main);
  font-family: 'Ubuntu', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  font-size: 1.1rem;
  max-width: 800px;
}

a {
  color: var(--link-color);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  text-decoration: underline;
  opacity: 0.8;
}

code {
  background: var(--border-color);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-family: 'Ubuntu Mono', 'ui-monospace', 'Cascadia Code', monospace;
  font-size: 0.9em;
}

.headbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  background-color: var(--nav-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 2rem;
}

.headbar .logo {
  font-weight: bold;
  font-size: 1.2rem;
}

a.logo:hover::after {
  content: " #!";
}

.headbar .nav-links {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.headbar .sep {
  opacity: 0.4;
}

.table-wrapper {
  overflow-x: auto;
  margin: 2rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
}

th,
td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

:is(p, a, li, h1, h2, h3) :is(img, svg) {
  height: 1em;
  width: auto;
  vertical-align: middle;
  display: inline-block;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  font-weight: 500;
  background-color: var(--nav-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-main);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s ease-in-out;
  text-decoration: none !important;
}

.btn:hover {
  border-color: var(--link-color);
  background-color: var(--bg-body);
  text-decoration: none;
  opacity: 1;
}

.btn:active {
  transform: scale(0.98);
  background-color: var(--border-color);
}

footer {
  margin-top: 3em;
  border-top: var(--border-color) 1px solid;
}

pre {
  background-color: var(--nav-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.25rem;
  margin: 2rem 0;
  overflow-x: auto;
  font-family: 'Ubuntu Mono', 'ui-monospace', monospace;
  font-size: 0.95rem;
  line-height: 1.5;
  tab-size: 2;
  word-wrap: normal;
  white-space: pre;
}

pre code {
  background: transparent;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
  color: inherit;
}