.flow-main {
  max-width: 1320px;
  margin: auto;
  padding: 48px 32px;
}
.flow-main h1 {
  margin-bottom: 16px;
}
.flow-intro {
  max-width: 64ch;
  font-size: 20px;
  line-height: 1.5;
  text-wrap: pretty;
}
.flow-tabs {
  display: flex;
  gap: 32px;
  border-bottom: 1px solid var(--line);
  margin-top: 48px;
  flex-wrap: wrap;
}
.flow-tabs a {
  font:
    600 14px Montserrat,
    sans-serif;
  min-height: 48px;
  margin-bottom: -1px;
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--muted);
  border-bottom: 2px solid transparent;
}
.flow-tabs a:hover {
  color: var(--ink);
}
.flow-tabs a[aria-current] {
  color: var(--ink);
  border-bottom-color: var(--blue);
}
.flow-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 32px;
}
.flow-heading h2 {
  font-size: 28px;
  font-weight: 700;
  margin: 0;
}
.flow-heading p {
  font:
    13px "IBM Plex Mono",
    monospace;
  letter-spacing: 0.02em;
  color: var(--muted);
}
.diagram-scroll {
  overflow-x: auto;
}
.diagram-scroll svg {
  display: block;
  width: 100%;
  min-width: 720px;
  max-height: 260px;
  color: var(--muted);
}
.node {
  fill: var(--bg);
  stroke: var(--line);
  stroke-width: 1.5;
}
.node.on {
  fill: var(--soft);
  stroke: var(--blue);
  stroke-width: 2.5;
}
/* Verde solo para nodos ya recorridos (estado real del recorrido). */
.node.done {
  stroke: var(--success-control);
  stroke-width: 2.5;
}
.node-label {
  fill: var(--ink);
  font:
    600 13px Montserrat,
    sans-serif;
  text-anchor: middle;
}
.node-sub {
  fill: var(--muted);
  font:
    10px "IBM Plex Mono",
    monospace;
  text-anchor: middle;
}
.edge {
  stroke: var(--line);
  stroke-width: 1.8;
  fill: none;
  marker-end: url(#arrow);
}
.edge.on {
  stroke: var(--blue);
}
.flow-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.flow-controls label {
  margin-left: auto;
  color: var(--muted);
  font:
    600 12px Montserrat,
    sans-serif;
  display: flex;
  align-items: center;
  gap: 12px;
}
.flow-controls select {
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  min-height: 44px;
  padding: 8px 12px;
  font-size: 12px;
  font-family: Montserrat, sans-serif;
}
.flow-controls select:hover {
  border-color: var(--blue);
}
.flow-progress {
  display: flex;
  align-items: center;
  gap: 24px;
  margin: 24px 0 32px;
}
.flow-progress p {
  font:
    12px "IBM Plex Mono",
    monospace;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  flex: 1;
}
.flow-progress progress {
  max-width: 200px;
}
.flow-details {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 64px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.flow-details ol {
  padding: 0;
  list-style: none;
  counter-reset: flow;
}
.flow-details li {
  counter-increment: flow;
  position: relative;
  padding: 16px 0 16px 48px;
  border-bottom: 1px solid var(--line);
}
.flow-details li::before {
  content: counter(flow, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 20px;
  color: var(--muted);
  font:
    13px "IBM Plex Mono",
    monospace;
  font-variant-numeric: tabular-nums;
}
.flow-details li.current::before {
  color: var(--blue);
}
.flow-details li.current h3 {
  color: var(--blue);
}
.flow-details li h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 8px;
}
.flow-details li p {
  margin: 0;
  max-width: 72ch;
  font-size: 17px;
}
.flow-guide {
  padding-top: 24px;
}
.flow-guide h3 {
  font-size: 20px;
  font-weight: 700;
}
.flow-guide p {
  font-size: 17px;
}
.flow-guide .eyebrow {
  font-size: 11px;
  margin-bottom: 8px;
}
@media (max-width: 800px) {
  .flow-main {
    padding: 32px 24px;
  }
  .flow-details {
    gap: 32px;
    grid-template-columns: 1fr;
  }
  .flow-heading {
    display: block;
  }
  .flow-controls label {
    margin-left: 0;
  }
  .flow-tabs {
    gap: 24px;
  }
  .flow-progress {
    flex-wrap: wrap;
  }
  .flow-progress progress {
    max-width: none;
  }
}
@media (max-width: 480px) {
  .flow-main {
    padding: 32px 20px;
  }
  .flow-tabs {
    gap: 8px 20px;
  }
  .flow-tabs a {
    font-size: 12px;
  }
  .flow-controls .btn {
    flex: 1;
  }
  .flow-controls #play {
    flex-basis: 100%;
  }
  .flow-controls label {
    margin-top: 8px;
  }
  .flow-progress {
    gap: 8px;
  }
  .flow-heading p {
    font-size: 12px;
  }
  .flow-details li {
    padding-left: 36px;
  }
  .diagram-scroll svg {
    min-width: 780px;
  }
}
.diagram-scroll svg {
  min-width: 1000px;
}