/* Tour map shortcode: Leaflet map of the tour locations, a plain list without JavaScript. */

.tour-map {
  margin-block: var(--spacing-l);
}

/* Without JavaScript only the list is shown. */
.tour-map__canvas {
  display: none;
}

.tour-map--ready {
  .tour-map__canvas {
    display: block;
    height: clamp(20rem, 60vh, 36rem);
    border: 1px solid color-mix(in oklch, var(--color-text) 20%, transparent);
    border-radius: var(--radius-m);
  }

  /* Kept for screen readers, which can't use the map itself. */
  .tour-map__list {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
}

.tour-map__marker span {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  /* Leaflet positions the icon's top left corner; centre it on the location. */
  margin: -1rem 0 0 -1rem;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--tour-map-color, #555);
  box-shadow: 0 1px 4px rgb(0 0 0 / 0.4);
}

/* The icon is drawn in white through its shape, whatever colours the SVG uses. */
.tour-map__marker i {
  width: 60%;
  height: 60%;
  background: #fff;
  mask: var(--tour-map-icon) center / contain no-repeat;
}

.tour-map__marker--origin span {
  width: 2.75rem;
  height: 2.75rem;
  margin: -1.375rem 0 0 -1.375rem;
  background: #111;
}

.tour-map {
  .leaflet-popup-content-wrapper,
  .leaflet-popup-tip {
    background: var(--color-body-bg);
    color: var(--color-text);
  }

  .leaflet-popup-content {
    margin: 0.75rem 1rem;
    font-family: var(--ff-alt);
    font-size: var(--fs-s);
    line-height: 1.4;
  }
}

.tour-map__popup-title {
  font-family: var(--ff-headings);
  font-size: var(--fs-m);
  font-weight: 600;
}

.tour-map__directions {
  ul {
    margin: 0.5rem 0 0;
    padding-inline-start: 1.1rem;
  }

  p {
    margin: 0.5rem 0 0;
  }
}

/* The credit line on an opaque background, so its contrast doesn't depend on the map below.
   As specific as Leaflet's own semi-transparent rule plus one, which it would lose to otherwise. */
.tour-map .leaflet-container .leaflet-control-attribution {
  background: #fff;
  color: #333;

  a {
    color: #0b5394;
  }
}

/* Leaflet blends tiles with plus-lighter to hide seams while they fade in; the map doesn't fade
   tiles (tour-map.js), and axe, which pa11y uses, fails on that blend mode. */
.tour-map .leaflet-container img.leaflet-tile {
  mix-blend-mode: normal;
}

.tour-map .leaflet-bar a {
  color: #111;
}

/* The zoom icons (SVG, see tour-map.js) centred in their buttons. */
.tour-map .leaflet-control-zoom a {
  display: grid;
  place-items: center;
}

/* Dark map tiles to match the dark colour scheme. */
@media (prefers-color-scheme: dark) {
  .tour-map .leaflet-tile-pane {
    filter: invert(1) hue-rotate(180deg) brightness(0.9) contrast(0.9);
  }
}