/* Product-management article layout and interactive metro map. */
.main--article-visual {
  width: min(100%, 92rem);
  margin-inline: auto;
  padding-inline: clamp(1rem, 3vw, 3rem);
}

.main--article-visual .module-header,
.main--article-visual .note-content > .essay-section > :not(.pm-map),
.main--article-visual .module-footer-nav {
  max-width: 60rem;
  margin-inline: auto;
}

.main--article-visual .note-content > .essay-section > p,
.main--article-visual .note-content > .essay-section > ul,
.main--article-visual .note-content > .essay-section > ol,
.main--article-visual .note-content > .essay-section > blockquote {
  max-width: 64ch;
}

.pm-map {
  margin: 3rem 0 4rem;
  padding: 1rem 0;
  border-block: 1px solid var(--ink-ghost);
}

.pm-map-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.pm-map-lines {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.8rem;
}

.pm-map-line-button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0;
  cursor: pointer;
}

.pm-map-line-button {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.pm-map-line-button::before {
  content: '';
  width: 1.2rem;
  height: 0.22rem;
  background: var(--pm-line-color);
}

.pm-map-line-button:hover,
.pm-map-line-button:focus-visible,
.pm-map-line-button[aria-pressed='true'] {
  color: var(--ink);
}

.pm-map-line-button:focus-visible {
  outline: 2px solid var(--sage);
  outline-offset: 3px;
}

/* The halo replaces the browser's rectangular focus ring, which also appeared after a mouse click. */
.pm-station:focus {
  outline: none;
}

.pm-map-stage {
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-inline: contain;
  scrollbar-color: var(--ink-ghost) transparent;
}

.pm-map-svg {
  display: block;
  width: 100%;
  height: auto;
}

.pm-era-band {
  fill: var(--paper-dark);
  opacity: 0.38;
}

.pm-era-label,
.pm-route-label,
.pm-station-year,
.pm-station-label {
  fill: var(--ink-faint);
  font-family: var(--mono);
}

.pm-era-label {
  fill: var(--ink-mid);
  font-size: 18px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pm-route-label {
  font-size: 12px;
  letter-spacing: 0.05em;
}

.pm-route {
  fill: none;
  stroke: var(--pm-line-color);
  stroke-width: 7;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: opacity 180ms ease, stroke-width 180ms ease;
}

.pm-map.is-focused .pm-route:not(.is-focused),
.pm-map.is-focused .pm-station:not(.is-focused) {
  opacity: 0.14;
}

.pm-map.is-focused .pm-route.is-focused {
  stroke-width: 10;
}

.pm-station {
  cursor: pointer;
  transition: opacity 180ms ease;
}

.pm-station-shape {
  fill: var(--paper);
  stroke: var(--pm-station-color);
  stroke-width: 4;
}

[data-role='inflation'] > .pm-station-shape {
  fill: var(--pm-station-color);
}

[data-role='provisional'] > .pm-station-shape {
  stroke-dasharray: 4 3;
}

[data-shape='interchange'] > .pm-station-shape {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 3;
}

.pm-legend-item {
  --pm-station-color: var(--ink-mid);
}

.pm-legend-item .pm-station-shape {
  stroke-width: 2.5;
  scale: 0.8;
}

.pm-legend-label {
  fill: var(--ink-mid);
  font-family: var(--mono);
  font-size: 12px;
}

.pm-station-label {
  fill: var(--ink);
  font-size: 17px;
}

.pm-station-year {
  font-size: 14px;
}

.pm-station-halo {
  fill: var(--pm-station-color);
  opacity: 0;
  transition: opacity 180ms ease;
}

[data-shape='interchange'] > .pm-station-halo {
  fill: var(--ink-faint);
}

.pm-station.is-selected .pm-station-halo,
.pm-station:focus-visible .pm-station-halo {
  opacity: 0.3;
}

.pm-station.is-selected .pm-station-label {
  font-weight: 700;
}

.pm-map-detail {
  display: grid;
  grid-template-columns: minmax(13rem, 0.9fr) minmax(14rem, 1fr) minmax(18rem, 1.3fr);
  gap: 0.7rem 1.4rem;
  min-height: 5.6rem;
  padding: 1rem 0;
  border-top: 1px solid var(--ink-ghost);
}

.pm-map-detail p {
  margin: 0;
}

/* Scoped through the figure so the article's .note-content paragraph styles don't override these labels. */
.pm-map .pm-map-detail p.pm-map-detail-kicker {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.pm-map .pm-map-detail p.pm-map-detail-title {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--ink);
}

.pm-map .pm-map-detail p.pm-map-detail-source {
  margin-top: 0.3rem;
  font-family: var(--serif);
  font-size: 0.72rem;
  line-height: 1.4;
  white-space: pre-line;
  color: var(--ink-mid);
}

.pm-map .pm-map-detail p.pm-map-detail-label {
  margin-bottom: 0.3rem;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.pm-map-detail-contributed,
.pm-map-detail-limits {
  font-family: var(--serif);
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--ink-mid);
}

.pm-map-tooltip {
  position: absolute;
  box-sizing: border-box;
  z-index: 2;
  max-width: 15rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--ink-ghost);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.62rem;
  line-height: 1.4;
  white-space: pre-line;
  overflow-wrap: anywhere;
  pointer-events: none;
}

.pm-map-transcript {
  margin-top: 0.75rem;
  border-top: 1px solid var(--ink-ghost);
  padding-top: 0.8rem;
}

.pm-map-transcript summary {
  width: fit-content;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.pm-map-transcript summary:hover,
.pm-map-transcript summary:focus-visible {
  color: var(--ink);
}

.pm-map-transcript ol {
  columns: 2 24rem;
  column-gap: 3rem;
  margin: 1.2rem 0 0;
  padding-left: 1.4rem;
}

.pm-map-transcript li {
  break-inside: avoid;
  margin: 0 0 1.2rem;
  padding-left: 0.3rem;
  color: var(--ink-mid);
}

.pm-map-transcript li p {
  margin: 0 0 0.25rem;
  font-family: var(--serif);
  font-size: var(--fs-body);
  line-height: 1.45;
}

.pm-map-transcript li .pm-map-transcript-source {
  color: var(--ink-faint);
}

.pm-map-transcript li .pm-map-transcript-links {
  font-size: 0.72rem;
}

.pm-map-transcript li .pm-map-transcript-links a {
  color: var(--ink-mid);
}

.pm-map-transcript li span {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.pm-map figcaption {
  margin-top: 0.75rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  line-height: 1.5;
  color: var(--ink-faint);
}

@media (max-width: 700px) {
  .pm-map-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  /* Below this width the map keeps a readable scale and pans instead of shrinking to fit. */
  .pm-map-svg {
    width: 72rem;
    max-width: none;
  }

  .pm-map-stage:not(.is-scrolled-end) {
    -webkit-mask-image: linear-gradient(to right, #000 82%, transparent);
    mask-image: linear-gradient(to right, #000 82%, transparent);
  }

  .pm-map-detail {
    grid-template-columns: 1fr;
    min-height: 9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pm-route,
  .pm-station,
  .pm-station-halo {
    transition: none;
  }
}