:root {
  --demo-paper:#fffdf8;
  --demo-cell:#f1f4ed;
}

.demo-page {
  min-height:100vh;
}

.demo-main {
  width:min(1020px,calc(100% - 48px));
  margin:0 auto;
  padding:clamp(64px,9vw,108px) 0 28px;
}

.demo-intro {
  max-width:720px;
  padding-bottom:clamp(42px,6vw,70px);
}

.demo-intro-meta {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  margin-bottom:14px;
}

.demo-breadcrumb {
  margin:0;
  color:var(--muted);
  font-size:12px;
  font-weight:700;
}

.demo-breadcrumb a {
  color:var(--accent);
  text-decoration-color:var(--accent);
  text-underline-offset:3px;
}

.demo-breadcrumb span {
  padding:0 5px;
  color:var(--line);
}

.github-banner {
  display:inline-flex;
  flex:none;
  align-items:center;
  gap:6px;
  padding:7px 10px;
  color:var(--paper);
  background:var(--ink);
  font-size:12px;
  font-weight:700;
  line-height:1;
  text-decoration:none;
  transition:background-color 180ms ease,transform 180ms ease;
}

.github-banner:hover,.github-banner:focus-visible {
  color:var(--paper);
  background:var(--accent);
}

.github-banner:hover span,.github-banner:focus-visible span {
  transform:translateX(3px);
}

.github-banner span {
  transition:transform 180ms ease;
}

.demo-intro h1 {
  max-width:none;
  margin:0 0 15px;
  font-size:clamp(40px,6vw,72px);
  letter-spacing:-.055em;
  line-height:.92;
}

.demo-lede {
  max-width:650px;
  margin:0;
  color:var(--body);
  font-size:clamp(17px,2.1vw,21px);
  line-height:1.45;
}

.demo-lede code,.demo-notes code {
  padding:1px 4px;
  color:var(--accent);
  background:rgba(65,101,74,.09);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.86em;
}

.transport {
  padding:clamp(25px,4vw,42px);
  border:1px solid var(--line);
  background:var(--demo-paper);
  box-shadow:0 15px 35px rgba(32,35,31,.08);
}

.transport-heading {
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
}

.transport h2,.demo-notes h2 {
  margin:0 0 7px;
  font-size:21px;
  letter-spacing:-.025em;
}

.transport-heading p {
  margin:0;
  color:var(--muted);
  font-size:14px;
}

.transport-actions {
  display:flex;
  flex-wrap:wrap;
  gap:9px;
}

.transport button {
  min-height:38px;
  padding:8px 13px;
  border:1px solid var(--line);
  border-radius:5px;
  color:var(--body);
  background:transparent;
  font:inherit;
  font-size:13px;
  font-weight:700;
  cursor:pointer;
}

.transport .play-button {
  border-color:var(--accent);
  color:var(--paper);
  background:var(--accent);
}

.transport button:not(:disabled):hover {
  border-color:var(--accent);
  color:var(--accent);
  background:#f5f8f2;
}

.transport .play-button:not(:disabled):hover {
  color:var(--paper);
  background:#315a3e;
}

.transport button:disabled {
  opacity:.45;
  cursor:not-allowed;
}

.sequence-display {
  padding-top:22px;
}

.sequence-key {
  display:flex;
  justify-content:space-between;
  gap:20px;
  margin-bottom:14px;
  color:var(--muted);
  font-size:12px;
}

.sequence-key span:last-child {
  white-space:nowrap;
}

.track {
  display:grid;
  grid-template-columns:76px minmax(0,1fr);
  gap:14px;
  align-items:start;
  padding:10px 0;
  border-top:1px solid var(--line);
}

.track:first-child {
  border-top:0;
}

.track strong {
  padding-top:4px;
  color:var(--accent);
  font-size:13px;
}

.track-steps {
  display:grid;
  grid-template-columns:repeat(16,minmax(0,1fr));
  gap:4px;
}

.track-steps span {
  display:grid;
  min-width:0;
  min-height:27px;
  place-items:center;
  padding:3px 1px;
  border:1px solid transparent;
  color:var(--body);
  background:var(--demo-cell);
  font-size:10px;
  font-weight:700;
  line-height:1;
  transition:background-color 110ms ease,color 110ms ease,transform 110ms ease;
}

.track-steps .rest {
  color:var(--muted);
  background:transparent;
}

.track-steps .is-active {
  border-color:var(--accent);
  color:var(--paper);
  background:var(--accent);
  transform:translateY(-1px);
}

.demo-notes {
  display:grid;
  grid-template-columns:160px minmax(0,1fr);
  gap:32px;
  padding:clamp(42px,6vw,70px) 0;
}

.demo-notes h2 {
  color:var(--accent-warm);
}

.demo-notes p {
  max-width:650px;
  margin:0;
  color:var(--body);
  font-size:16px;
}

.demo-notes p + p {
  margin-top:14px;
}

.demo-notes a {
  color:var(--accent);
  text-decoration-color:var(--accent);
  text-underline-offset:3px;
}

.sequence-source {
  padding:clamp(42px,6vw,70px) 0;
  border-top:1px solid var(--line);
}

.source-intro {
  display:grid;
  grid-template-columns:160px minmax(0,1fr);
  gap:32px;
  margin-bottom:20px;
}

.source-intro h2 {
  margin:0;
  color:var(--accent-warm);
  font-size:21px;
  letter-spacing:-.025em;
}

.source-intro p {
  max-width:650px;
  margin:0;
  color:var(--body);
  font-size:16px;
}

.sequence-source pre {
  margin:0;
  overflow:auto;
  border:1px solid var(--line);
  background:#f6f7f2;
}

.sequence-source .hljs {
  min-width:max-content;
  padding:22px 24px;
  color:#344039;
  background:transparent;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:12px;
  line-height:1.6;
}

.sequence-source .hljs-keyword,.sequence-source .hljs-built_in {
  color:#41654a;
}

.sequence-source .hljs-string {
  color:#8a5437;
}

.sequence-source .hljs-title,.sequence-source .hljs-variable {
  color:#345c66;
}

@media (max-width:700px) {
  .demo-main {
    width:min(100% - 32px,600px);
    padding-top:52px;
  }

  .demo-intro-meta {
    align-items:flex-start;
    flex-direction:column;
    gap:10px;
  }

  .transport {
    margin-right:-8px;
    margin-left:-8px;
    padding:24px 16px;
  }

  .transport-heading {
    align-items:flex-start;
    flex-direction:column;
  }

  .sequence-key {
    display:block;
  }

  .sequence-key span:last-child {
    display:block;
    margin-top:4px;
  }

  .track {
    grid-template-columns:1fr;
    gap:6px;
  }

  .track strong {
    padding-top:0;
  }

  .track-steps {
    grid-template-columns:repeat(8,minmax(0,1fr));
  }

  .demo-notes {
    display:block;
  }

  .demo-notes h2 {
    margin-bottom:13px;
  }

  .source-intro {
    display:block;
  }

  .source-intro h2 {
    margin-bottom:13px;
  }

  .sequence-source .hljs {
    padding:17px 18px;
    font-size:11px;
  }
}