/* Local diagram and role contracts reuse the site's reading styles and tokens. */
.symphony-lifecycle {
  counter-reset: symphony-step;
  list-style: none;
  margin: 0;
  padding: 0;
}
.symphony-lifecycle li {
  counter-increment: symphony-step;
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 20px;
  margin: 0;
  padding: 0 0 28px 42px;
  min-width: 0;
}
.symphony-lifecycle li::before {
  content: counter(symphony-step, decimal-leading-zero);
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0;
  color: var(--accent-soft);
  font-family: var(--mono);
  font-size: .78rem;
  line-height: 1.7;
}
.symphony-lifecycle li:not(:last-child)::after {
  content: "";
  position: absolute;
  inset-inline-start: 8px;
  inset-block-start: 28px;
  inset-block-end: 7px;
  width: 6px;
  border-left: 1px solid var(--accent-soft);
  border-bottom: 1px solid var(--accent-soft);
}
.symphony-lifecycle li:last-child { padding-bottom: 0; }
.symphony-lifecycle strong {
  display: block;
  font-size: .95rem;
  line-height: 1.45;
}
.symphony-lifecycle span {
  display: block;
  margin-top: 6px;
  color: var(--accent-soft);
  font-family: var(--mono);
  font-size: .72rem;
  line-height: 1.6;
}
.symphony-architecture .symphony-lifecycle p {
  margin: 0;
  color: var(--muted);
  font-size: .87rem;
  line-height: 1.65;
}
.symphony-architecture .symphony-architecture__note {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.7;
}
.symphony-roles { margin: 24px 0; }
.symphony-roles > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 3fr);
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}
.symphony-roles > div:first-child { border-top: 1px solid var(--rule); }
.symphony-roles dt {
  color: var(--accent-soft);
  font-family: var(--mono);
  font-size: .85rem;
  overflow-wrap: anywhere;
}
.symphony-roles dd { margin: 0; }
@media (max-width: 600px) {
  .symphony-lifecycle li { grid-template-columns: 1fr; gap: 10px; padding-left: 34px; }
  .symphony-roles > div { grid-template-columns: 1fr; gap: 6px; }
}