/* flow diagram */
.flow {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.wire {
  width: 2px;
  min-height: 22px;
  background: var(--wire);
  position: relative;
  flex: none;
}
.wire.arrow::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top: 6px solid var(--wire);
  border-bottom: 0;
}
.wire.grow {
  flex: 1 1 auto;
}
.term {
  border: 1.5px solid var(--ink);
  background: var(--surface);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 12.5px;
  max-width: 340px;
  text-align: center;
}
.term .eyebrow {
  display: block;
  margin-bottom: 3px;
}
.term.end {
  background: var(--ink);
  color: var(--surface);
}
.term.end .eyebrow {
  color: var(--surface);
  opacity: 0.7;
}
.node {
  width: 272px;
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  text-align: left;
  box-shadow: var(--shadow);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}
.node:hover {
  border-color: var(--wire);
}
.node.sel,
.loophead.sel,
.parhead.sel {
  box-shadow: 0 0 0 4px var(--ring);
  border-color: var(--step);
}
.node.flag::after {
  content: "!";
  position: absolute;
  top: -8px;
  right: -8px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--danger);
  color: var(--surface);
  font: 700 12px/18px var(--sans);
  text-align: center;
}
.node .top {
  display: flex;
  align-items: center;
  gap: 8px;
}
.num {
  font: 500 11px var(--mono);
  color: var(--muted);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 6px;
  font-variant-numeric: tabular-nums;
}
.kind {
  font: 600 10.5px var(--sans);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.fold {
  margin-left: auto;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 5px;
  font: 600 11px/1 var(--sans);
  padding: 3px 6px;
  color: var(--muted);
}
.fold:hover {
  color: var(--ink);
  border-color: var(--wire);
}
.node h3 {
  margin: 0;
  font: 600 14.5px/1.3 var(--sans);
  text-wrap: balance;
}
.node p {
  margin: 0;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.node.step {
  border-left: 4px solid var(--step);
}
.node.step .kind {
  color: var(--step);
}
.node.decision {
  background: var(--decide-bg);
  border-color: color-mix(in srgb, var(--decide) 45%, var(--line));
}
.node.decision .kind {
  color: var(--decide);
}
.diamond {
  width: 12px;
  height: 12px;
  background: var(--decide);
  transform: rotate(45deg);
  border-radius: 2px;
  flex: none;
}
.node.stop {
  border-left: 4px solid var(--ink);
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font: 500 11px/1.3 var(--mono);
  padding: 2px 6px;
  border-radius: 5px;
  max-width: 100%;
  overflow-wrap: anywhere;
}
.chip.make {
  background: var(--make-bg);
  color: var(--make);
  border: 1px solid color-mix(in srgb, var(--make) 30%, transparent);
}
.chip.use {
  background: var(--surface-2);
  color: var(--muted);
  border: 1px solid var(--line);
}
.chip svg {
  flex: none;
}
.chiprow {
  display: flex;
  gap: 6px;
  align-items: baseline;
}
.chiprow .lbl {
  font-size: 10.5px;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex: none;
  width: 34px;
}
.branches {
  display: flex;
  align-items: stretch;
}
.branch {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 14px;
  position: relative;
}
.branch::before,
.branch::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--wire);
}
.branch::before {
  top: 0;
}
.branch::after {
  bottom: 0;
}
.branch:first-child::before,
.branch:first-child::after {
  left: 50%;
}
.branch:last-child::before,
.branch:last-child::after {
  right: 50%;
}
.branch:only-child::before,
.branch:only-child::after {
  display: none;
}
.blabel {
  font: 600 11.5px/1.2 var(--sans);
  padding: 4px 9px;
  border-radius: 999px;
  border: 1.5px solid var(--decide);
  color: var(--decide);
  background: var(--surface);
  max-width: 240px;
  text-align: center;
}
.blabel.par {
  border-color: var(--wire);
  color: var(--muted);
}
.blabel.implied {
  border-style: dashed;
  border-color: var(--danger);
  color: var(--danger);
}
.skip {
  font-size: 12px;
  color: var(--faint);
  font-style: italic;
  padding: 4px 0;
}
.skip.implied {
  color: var(--danger);
  font-style: normal;
  font-weight: 500;
}
.merge {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--wire);
}
.loop {
  border: 1.5px dashed var(--loop);
  background: color-mix(in srgb, var(--loop-bg) 70%, transparent);
  border-radius: 14px;
  padding: 0 18px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 300px;
}
.loophead {
  margin-top: -13px;
  background: var(--surface);
  border: 1.5px solid var(--loop);
  color: var(--loop);
  border-radius: 999px;
  padding: 4px 8px 4px 12px;
  font: 600 12px/1.3 var(--sans);
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  max-width: 360px;
  text-align: left;
}
.loophead .num {
  background: transparent;
  border-color: color-mix(in srgb, var(--loop) 40%, transparent);
  color: var(--loop);
}
.loophead .fold {
  margin-left: 6px;
}
.loopback {
  align-self: flex-end;
  font: 500 11px var(--sans);
  color: var(--loop);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
}
.parhead {
  font: 600 11px var(--sans);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface);
  border: 1.5px solid var(--wire);
  border-radius: 6px;
  padding: 3px 9px;
  cursor: pointer;
  display: flex;
  gap: 6px;
  align-items: center;
}
.folded {
  border: 1.5px dashed var(--wire);
  background: var(--surface);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 12.5px;
  color: var(--muted);
}
.folded:hover {
  color: var(--ink);
  border-color: var(--step);
}