:root {
  --bg: #0e1624;
  --paper: #1b2940;
  --ink: #eef4ff;
  --muted: #9fb0c8;
  --line: #314158;
  --accent: #2dd4bf;
  --accent-2: #60a5fa;
  --button-text: #06131f;
}
body.light {
  --bg: #f4f7fb;
  --paper: #ffffff;
  --ink: #172033;
  --muted: #607086;
  --line: #d9e0ea;
  --accent: #247b7b;
  --accent-2: #1f3a5f;
  --button-text: #ffffff;
}
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
* {
  box-sizing: border-box;
}
main {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 44px;
}
article {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
}
h1 {
  margin: 0 0 8px;
  font-size: 32px;
  line-height: 1.2;
}
h2 {
  margin: 28px 0 8px;
  font-size: 21px;
  line-height: 1.3;
}
p, li {
  color: var(--muted);
}
a {
  color: var(--accent);
  font-weight: 700;
}
th {
  background: var(--accent-2);
  color: #ffffff;
}
td, th {
  border: 1px solid var(--line);
  padding: 9px;
  text-align: left;
  vertical-align: top;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: 14px;
}
pre {
  background: rgba(255,255,255,.055);
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 12px;
  overflow: auto;
}
code {
  color: var(--ink);
}
nav, footer {
  color: var(--muted);
  margin: 16px 0;
  font-size: 13px;
}
.cta {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--accent);
  color: var(--button-text);
  text-decoration: none;
}
.site-vertical-ad .adsbygoogle {
  display: block;
}
.site-controls {
  width: min(900px, calc(100% - 32px));
  margin: 14px auto 0;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}
.site-controls button {
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  min-height: 34px;
  padding: 6px 10px;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
}
.site-controls button.active {
  background: var(--accent);
  color: var(--button-text);
}
main.ad-layout {
  width: min(1160px, calc(100% - 32px));
  display: grid;
  grid-template-columns: minmax(0, 860px) minmax(160px, 300px);
  gap: 20px;
  align-items: start;
}
main.ad-layout nav,
main.ad-layout footer {
  grid-column: 1 / -1;
}
main.ad-layout article {
  grid-column: 1;
}
.site-vertical-ad {
  grid-column: 2;
  position: sticky;
  top: 16px;
  width: 100%;
  min-height: 600px;
  overflow: hidden;
}
.site-vertical-ad .adsbygoogle {
  min-height: 600px;
}
@media (max-width: 980px) {
  main.ad-layout {
    width: min(860px, calc(100% - 32px));
    display: block;
  }
  .site-vertical-ad {
    position: static;
    min-height: 280px;
    margin: 16px 0;
  }
  .site-vertical-ad .adsbygoogle {
    min-height: 280px;
  }
}