:root {
  --ink: #0b1a1f;
  --muted: #4c6670;
  --teal: #0c7f8b;
  --neon: #b0f000;
  --page: #eef4f7;
  --panel: #ffffff;
  --rule: #d3e3ea;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --ink: #e6f0f3;
    --muted: #9db4bc;
    --teal: #3fb6c2;
    --page: #08161b;
    --panel: #0f242b;
    --rule: #1d3a43;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 16px/1.6 'Barlow', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
header img { width: 48px; height: 48px; border-radius: 12px; }
header strong { font-family: 'Barlow Condensed', 'Barlow', sans-serif; font-size: 22px; letter-spacing: 1px; text-transform: uppercase; }
h1 { font-family: 'Barlow Condensed', 'Barlow', sans-serif; font-size: 34px; line-height: 1.1; margin: 0 0 8px; }
h2 { font-size: 19px; margin: 32px 0 8px; padding-top: 16px; border-top: 1px solid var(--rule); }
p, li { color: var(--ink); }
.muted { color: var(--muted); font-size: 14px; }
a { color: var(--teal); }
.panel { background: var(--panel); border-left: 4px solid var(--teal); padding: 16px 20px; margin: 20px 0; clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%); }
ol li, ul li { margin: 6px 0; }
nav a { margin-right: 16px; }
.lang { margin-top: 48px; }