:root {
  --wall: #232421;
  --tile: #f1f0eb;
  --field: #e6e5de;
  --divider: #e0dfd8;
  --text: #191a17;
  --text2: #5e6058;
  --primary: #0a6e6d;
  --accent: #f97316;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --wall: #0c0d0b;
    --tile: #232421;
    --field: #2e302b;
    --divider: #33352f;
    --text: #f1f0eb;
    --text2: #9a9c93;
    --primary: #3fd0cf;
    --accent: #fb923c;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--wall);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.wall {
  max-width: 820px;
  margin: 0 auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tile {
  background: var(--tile);
  border-radius: 22px;
  padding: 28px 28px;
}

header.tile {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  padding: 20px 28px;
}

.brand {
  font-family: 'Martian Mono', ui-monospace, monospace;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

nav a {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--text2);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--field);
}

nav a[aria-current='page'] {
  background: var(--primary);
  color: var(--tile);
}

h1,
h2,
h3 {
  font-family: 'Martian Mono', ui-monospace, monospace;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(24px, 5vw, 34px);
  margin: 0 0 8px;
}

h2 {
  font-size: 19px;
  margin: 36px 0 10px;
}

h3 {
  font-size: 15px;
  margin: 22px 0 6px;
}

.meta {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
  color: var(--text2);
  margin: 0;
}

p,
li {
  color: var(--text);
}

ul {
  padding-left: 22px;
}

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

a {
  color: var(--primary);
}

.lead {
  font-size: 18px;
  color: var(--text2);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin: 12px 0;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 10px 12px 10px 0;
  border-bottom: 1px solid var(--divider);
}

th {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text2);
}

.table-scroll {
  overflow-x: auto;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
}

.cards a {
  display: block;
  background: var(--tile);
  border-radius: 22px;
  padding: 22px;
  text-decoration: none;
  color: var(--text);
}

.cards a strong {
  display: block;
  font-family: 'Martian Mono', ui-monospace, monospace;
  font-size: 16px;
  margin-bottom: 6px;
}

.cards a span {
  color: var(--text2);
  font-size: 15px;
}

.callout {
  background: var(--field);
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  padding: 14px 18px;
  margin: 16px 0;
}

footer.tile {
  font-size: 14px;
  color: var(--text2);
  padding: 18px 28px;
}

footer.tile p {
  color: var(--text2);
  margin: 0;
}

@media (max-width: 520px) {
  .wall {
    padding: 8px;
  }

  .tile,
  header.tile,
  footer.tile {
    padding-left: 18px;
    padding-right: 18px;
  }
}