/* Help Center owns its dialog, category navigation and articles. */
#cityrail-info-modal {
  position: fixed;
  inset: var(--ui-visual-top,0px) 0 auto;
  height: var(--ui-visual-height,100dvh);
  z-index: 99999;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: max(12px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));
  background: rgba(0,0,0,.38);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--ui-text);
  font: 14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;
  --material-button-fill: var(--ui-card);
  --material-button-border: var(--ui-line);
  --material-button-shadow: none;
  --cr416-text: var(--ui-text);
}
.cityrail-help-frame {
  display: flex;
  flex-direction: column;
  width: min(920px,100%);
  height: min(680px,calc(var(--ui-visual-height,100dvh) - 32px));
  min-height: 0;
  max-height: 100%;
  box-sizing: border-box;
  border: 1px solid var(--ui-line);
  border-radius: 24px;
  overflow: hidden;
  background: var(--material-panel,var(--ui-surface));
  box-shadow: var(--material-shadow,var(--ui-shadow));
  backdrop-filter: var(--material-blur,none);
  -webkit-backdrop-filter: var(--material-blur,none);
}
.cityrail-help-header {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--ui-line);
}
.cityrail-help-header h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.3;
  font-weight: 650;
  letter-spacing: -.02em;
}
.cityrail-help-header button {
  display: grid;
  place-items: center;
  color: var(--ui-text);
  background: var(--ui-card);
  border: 1px solid var(--ui-line);
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  padding: 0;
  font: 24px/1 system-ui;
  cursor: pointer;
}
.cityrail-help-header button svg {
  width: 18px;
  height: 18px;
  stroke: var(--ui-text);
}
.cityrail-help-workspace {
  display: grid;
  grid-template-columns: 160px minmax(0,1fr);
  flex: 1;
  min-height: 0;
}
.cityrail-help-categories {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 12px;
  border-right: 1px solid var(--ui-line);
  background: var(--ui-card);
}
.cityrail-help-tab {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 10px;
  color: var(--ui-muted);
  text-decoration: none;
  font-weight: 550;
  -webkit-tap-highlight-color: transparent;
}
.cityrail-help-tab[aria-selected="true"] {
  background: var(--ui-selected-fill,var(--ui-field));
  color: var(--ui-selected-text,var(--ui-text));
  box-shadow: var(--ui-selected-shadow,none);
}
.cityrail-help-body {
  min-width: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 14px 24px 24px;
  scrollbar-width: thin;
}
.cityrail-help-body [hidden], .cityrail-help-categories[hidden] {
  display: none;
}
#cityrail-info-modal[data-mode="history"] .cityrail-help-workspace {
  grid-template-columns: minmax(0,1fr);
}
.cityrail-help-article {
  border-bottom: 1px solid var(--ui-line);
}
.cityrail-help-article summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 10px 0;
  box-sizing: border-box;
  list-style: none;
  cursor: pointer;
  font-weight: 600;
}
.cityrail-help-article summary::-webkit-details-marker {
  display: none;
}
.cityrail-help-article summary::after {
  content: '›';
  flex-shrink: 0;
  font-size: 22px;
  font-weight: 400;
  color: var(--ui-muted);
}
.cityrail-help-article[open] summary::after {
  transform: rotate(90deg);
}
.cityrail-help-article p {
  margin: 0;
  padding: 0 0 18px;
  color: var(--ui-muted);
  overflow-wrap: anywhere;
}
.cityrail-help-release {
  padding: 18px 0;
  border-bottom: 1px solid var(--ui-line);
}
.cityrail-help-release h3 {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
}
.cityrail-help-release time {
  font-size: 12px;
  font-weight: 400;
  color: var(--ui-muted);
  font-variant-numeric: tabular-nums;
}
.cityrail-help-release div {
  color: var(--ui-muted);
  overflow-wrap: anywhere;
}
@media (hover:hover) and (pointer:fine) { .cityrail-help-tab:hover { background: var(--ui-field); color: var(--ui-text); } }
@media (max-width:760px) {
  .cityrail-help-frame {
    border-radius: 20px;
  }
  .cityrail-help-header {
    padding: 12px 16px;
  }
  .cityrail-help-header h2 {
    font-size: 20px;
  }
  .cityrail-help-workspace {
    grid-template-columns: minmax(0,1fr);
    grid-template-rows: auto minmax(0,1fr);
  }
  .cityrail-help-categories {
    flex-direction: row;
    padding: 8px;
    gap: 2px;
    border-right: 0;
    border-bottom: 1px solid var(--ui-line);
  }
  .cityrail-help-tab {
    flex: 1;
    min-width: 0;
    justify-content: center;
    padding: 0 2px;
    font-size: 13px;
    white-space: nowrap;
  }
  .cityrail-help-body {
    padding: 6px 16px 20px;
  }
  #cityrail-info-modal[data-mode="history"] .cityrail-help-workspace {
    grid-template-rows: minmax(0,1fr);
  }
}