:root {
  --ink: #1d262c;
  --muted: #5d6b74;
  --rule: #dde3e7;
  --accent: #1f6f8b;
  --paper: #ffffff;
  --wash: #f5f8f9;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--wash);
  color: var(--ink);
  font: 16px/1.62 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 46rem; margin: 0 auto; padding: 1.4rem 1.1rem 4rem; background: var(--paper);
       box-shadow: 0 0 0 1px var(--rule); min-height: 100vh; }
h1, h2, h3, h4 { line-height: 1.25; margin: 1.9em 0 0.5em; }
h1 { font-size: 1.72rem; margin-top: 0.4em; }
h2 { font-size: 1.26rem; padding-bottom: .2em; border-bottom: 1px solid var(--rule); }
h3 { font-size: 1.06rem; color: #24333b; }
h1 + p, h2 + p, h3 + p { margin-top: .3em; }
p, ul, ol, blockquote, table, figure, pre { margin: 0 0 1.05em; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
strong { font-weight: 650; }
code { font: 0.86em/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
       background: var(--wash); padding: .12em .35em; border-radius: 3px; }
pre { background: var(--wash); border: 1px solid var(--rule); border-radius: 6px; padding: .8em .9em; overflow-x: auto; }
pre code { background: none; padding: 0; }
blockquote { margin-left: 0; padding: .1em 0 .1em 1em; border-left: 3px solid var(--accent); color: #33424a; }
blockquote p { margin: .35em 0; }
table { border-collapse: collapse; width: 100%; font-size: .93rem; }
th, td { text-align: left; padding: .42em .6em; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { border-bottom: 1.5px solid #9aa7ae; background: var(--wash); }
hr { border: 0; border-top: 1px solid var(--rule); margin: 2em 0; }
figure { margin: 1.4em 0; text-align: center; }
figure img { max-width: min(100%, 30rem); height: auto; }
figure.anim img { max-width: min(100%, 21rem); }
figcaption { font-size: .84rem; color: var(--muted); margin-top: .45em; }
.dsq-player { margin: 1.4em 0 .4em; }
.dsq-canvas { display: block; margin: 0 auto; border: 1px solid var(--rule); border-radius: 8px; background: #f7f9fa; }
.dsq-controls {
  display: flex; flex-wrap: wrap; align-items: center; gap: .4rem;
  margin: .5rem auto 0; max-width: 21rem; font-size: .85rem;
}
.dsq-controls button {
  min-width: 2.1rem; height: 2.1rem; padding: 0 .45rem; font-size: .95rem; line-height: 1;
  border: 1px solid var(--rule); border-radius: 7px; background: #fff; color: var(--ink); cursor: pointer;
}
.dsq-controls button:hover { border-color: var(--accent); color: var(--accent); }
.dsq-controls input[type=range] { flex: 1 1 8rem; min-width: 6rem; accent-color: var(--accent); }
.dsq-readout { font-variant-numeric: tabular-nums; color: var(--muted); white-space: nowrap; }
.dsq-speed { display: inline-flex; align-items: center; gap: .25rem; color: var(--muted); }
.dsq-speed select { border: 1px solid var(--rule); border-radius: 6px; padding: .15rem; background: #fff; }
.dsq-error { color: #b2182b; }
details.dsq-share { margin: 0 0 1.2em; font-size: .9rem; }
details.dsq-share summary { cursor: pointer; color: var(--muted); }
details.dsq-share figure { margin-top: .7em; }
nav.nav {
  display: flex; flex-wrap: wrap; gap: .4rem; align-items: center;
  padding: .5rem 0 .9rem; margin-bottom: 1.1rem; border-bottom: 1px solid var(--rule);
  font-size: 1rem;
}
nav.nav a, nav.nav span.off {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 2.3rem; height: 2.3rem; padding: 0 .55rem;
  border: 1px solid var(--rule); border-radius: 8px; background: #fff; text-decoration: none;
  color: var(--ink); font-weight: 600;
}
nav.nav a:hover { border-color: var(--accent); color: var(--accent); }
nav.nav a.home { padding: 0 .62rem; }
nav.nav a.home svg { display: block; width: 1.15rem; height: 1.15rem; }
nav.nav span.off { color: #c2cbd1; background: var(--wash); }
nav.nav .where { margin-left: auto; font-size: .82rem; color: var(--muted); font-weight: 400; }
footer.page { margin-top: 3rem; padding-top: .9rem; border-top: 1px solid var(--rule);
              font-size: .82rem; color: var(--muted); }
@media print {
  body { background: #fff; } main { box-shadow: none; max-width: none; }
  nav.nav { display: none; }
}