.mod-playgroundtour {
  --playgroundtour-blue: #1c3d5c;
  --playgroundtour-accent: #f9a541;
  margin-block: 1rem;
}

.mod-playgroundtour__poster {
  position: relative;
  display: block;
  width: 100%;
  max-width: 48rem;
  aspect-ratio: 16 / 10;
  padding: 0;
  overflow: hidden;
  color: #fff;
  text-align: start;
  cursor: pointer;
  background: var(--playgroundtour-blue);
  border: 1px solid #dfe3e7;
  border-radius: .5rem;
  box-shadow: 0 .25rem 1rem rgba(0, 0, 0, .15);
}

.mod-playgroundtour__poster img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
  transition: transform .3s, filter .3s;
}

.mod-playgroundtour__poster:hover img,
.mod-playgroundtour__poster:focus-visible img {
  filter: brightness(.85);
  transform: scale(1.02);
}

.mod-playgroundtour__poster:focus-visible {
  outline: 3px solid var(--playgroundtour-accent);
  outline-offset: 2px;
}

/* Without a screenshot: a tour popup on the administrator's colours. */
.mod-playgroundtour__card {
  position: absolute;
  inset: 18% 22% auto;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  padding: 1rem 1.25rem;
  color: #22262a;
  background: #fff;
  border-radius: .375rem;
  box-shadow: 0 .5rem 2rem rgba(0, 0, 0, .35);
}

.mod-playgroundtour__card-title {
  font-weight: 700;
}

.mod-playgroundtour__card-steps {
  align-self: flex-end;
  font-size: .875rem;
  color: #6c757d;
}

.mod-playgroundtour__play {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 5rem;
  height: 5rem;
  background: rgba(28, 61, 92, .85);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 .25rem 1rem rgba(0, 0, 0, .4);
  transform: translate(-50%, -50%);
  transition: transform .3s, background-color .3s;
}

.mod-playgroundtour__play::after {
  position: absolute;
  inset: 50% auto auto 54%;
  content: "";
  border-block: .9rem solid transparent;
  /* A play sign points right, also on right-to-left pages. */
  border-left: 1.5rem solid #fff;
  transform: translate(-50%, -50%);
}

.mod-playgroundtour__poster:hover .mod-playgroundtour__play,
.mod-playgroundtour__poster:focus-visible .mod-playgroundtour__play {
  background: var(--playgroundtour-accent);
  transform: translate(-50%, -50%) scale(1.1);
}

.mod-playgroundtour__caption {
  position: absolute;
  inset: auto 0 0;
  display: flex;
  flex-direction: column;
  gap: .125rem;
  padding: 2.5rem 1rem .75rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, .75));
}

.mod-playgroundtour__caption strong {
  font-size: 1.125rem;
}

.mod-playgroundtour__note {
  max-width: 48rem;
  margin-block: .5rem 0;
  font-size: .875rem;
}

.mod-playgroundtour__button {
  display: inline-flex;
  gap: .5rem;
  align-items: center;
}

.mod-playgroundtour__icon {
  width: 0;
  height: 0;
  border-block: .45em solid transparent;
  border-left: .75em solid currentcolor;
}

/* Almost the whole page. */
.mod-playgroundtour__dialog {
  width: 96vw;
  max-width: none;
  height: 94vh;
  max-height: none;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: .5rem;
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, .5);
}

.mod-playgroundtour__dialog[open] {
  display: flex;
  flex-direction: column;
}

.mod-playgroundtour__dialog::backdrop {
  background: rgba(0, 0, 0, .6);
}

.mod-playgroundtour__bar {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: .375rem .375rem .375rem 1rem;
  color: #fff;
  background: var(--playgroundtour-blue);
}

.mod-playgroundtour__title {
  flex: 1;
  overflow: hidden;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mod-playgroundtour__bar a {
  color: #fff;
}

.mod-playgroundtour__close {
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  font-size: 1.5rem;
  line-height: 1;
  color: #fff;
  cursor: pointer;
  background: transparent;
  border: 0;
  border-radius: .25rem;
}

.mod-playgroundtour__close:hover,
.mod-playgroundtour__close:focus-visible {
  background: rgba(255, 255, 255, .2);
}

.mod-playgroundtour__dialog iframe {
  flex: 1;
  width: 100%;
  border: 0;
}