body {
  display: block;
}

#page {
  display: grid;
  grid-template-columns: minmax(220px, 240px) minmax(420px, 620px);
  gap: 2rem;
  align-items: start;
}

#stage {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

#source-viewer {
  grid-column: 1 / -1;
  width: 100%;
}

#stage canvas {
  display: block;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.source-panel {
  grid-column: 1 / -1;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
}

.source-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.source-meta {
  display: grid;
  gap: 0.25rem;
}

.source-title {
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #2c2c2c;
}

.source-copy {
  font-size: 0.8rem;
  color: #888;
}

.source-toggle {
  font-family: monospace;
  padding: 0.45rem 0.8rem;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 999px;
  background: #fff;
  cursor: pointer;
}

.source-code {
  margin: 0;
  padding: 1rem 1.1rem 1.3rem;
  overflow: auto;
  background: #151b1a;
  color: #f5f2ea;
}

.source-code code {
  display: block;
  min-width: max-content;
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
  font-size: 0.84rem;
  line-height: 1.72;
}

.source-panel.is-collapsed .source-code {
  display: none;
}

.token-comment {
  color: #7f9a92;
}

.token-string {
  color: #f3b77e;
}

.token-number {
  color: #f08f87;
}

.token-keyword {
  color: #94d2bd;
}

.token-builtin {
  color: #9cc7ff;
}

@media (max-width: 980px) {
  #page {
    grid-template-columns: 1fr;
  }

  #stage {
    justify-content: flex-start;
  }
}