/*
 * Videothek – Player, Videoliste mit Inhaltsverzeichnis, Detailseite.
 * Liest die Template-Tokens (--ui-*) mit Rückfall und läuft damit in jedem Template.
 * Variablen: --bv-ratio (Seitenverhältnis je Video, vom PHP gesetzt), --bv-cols (Spalten der Liste)
 */

/* Player */

.basis-video {
  margin: 0;
  min-width: 0;
}

.basis-video__frame {
  position: relative;
  aspect-ratio: var(--bv-ratio, 16 / 9);
  overflow: hidden;
  border-radius: var(--ui-radius-sm, 4px);
  background: #111;
}

.basis-video__media,
.basis-video__start,
.basis-video__poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.basis-video__media {
  display: block;
  background: #000;
  object-fit: contain;
}

.basis-video__start {
  display: block;
  margin: 0;
  padding: 0;
  font: inherit;
  color: #fff;
  background: #1a1a1a;
  cursor: pointer;
  text-decoration: none;
}

.basis-video__poster {
  object-fit: cover;
  transition: transform var(--ui-duration, .3s) var(--ui-ease, ease), filter var(--ui-duration, .3s) var(--ui-ease, ease);
}

.basis-video__play {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 4.25rem;
  height: 4.25rem;
  margin: -2.125rem 0 0 -2.125rem;
  border-radius: 50%;
  background: var(--ui-color-action, #c00);
  box-shadow: 0 .25rem 1.25rem rgb(0 0 0 / .35);
  transition: transform var(--ui-duration, .3s) var(--ui-ease, ease), background-color var(--ui-duration, .3s) var(--ui-ease, ease);
}

.basis-video__play::before {
  content: "";
  position: absolute;
  inset: 50% auto auto 54%;
  translate: -50% -50%;
  border-style: solid;
  border-width: .8rem 0 .8rem 1.35rem;
  border-color: transparent transparent transparent var(--ui-color-on-action, #fff);
}

.basis-video__start:hover .basis-video__play,
.basis-video__start:focus-visible .basis-video__play {
  transform: scale(1.08);
  background: var(--ui-color-action-hover, var(--ui-color-action, #a00));
}

.basis-video__start:hover .basis-video__poster {
  filter: brightness(.9);
}

.basis-video__start:focus-visible {
  outline: 3px solid var(--ui-color-action, #2563eb);
  outline-offset: -3px;
}

.basis-video__duration,
.basis-video__note {
  position: absolute;
  font-size: .75rem;
  line-height: 1.3;
  color: #fff;
  background: rgb(0 0 0 / .7);
}

.basis-video__duration {
  right: .5rem;
  bottom: .5rem;
  padding: .15rem .4rem;
  border-radius: 3px;
  font-variant-numeric: tabular-nums;
}

.basis-video__note {
  left: 0;
  right: 0;
  bottom: 0;
  padding: .4rem 4rem .4rem .6rem;
  text-align: left;
}

.basis-video__caption {
  margin-top: .5rem;
  font-size: var(--ui-text-sm, .875rem);
  color: var(--ui-color-text-muted, #666);
}

@media (prefers-reduced-motion: reduce) {
  .basis-video__poster,
  .basis-video__play {
    transition: none;
  }
}

/* Kennzeichen „Neu“ o. ä. */

.basis-video-badge {
  display: inline-block;
  margin-left: .4em;
  padding: .1em .5em;
  border-radius: var(--ui-radius-pill, 999px);
  font-size: .7em;
  font-weight: 700;
  line-height: 1.5;
  vertical-align: .15em;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--ui-color-on-action, #fff);
  background: var(--ui-color-action, #c00);
}

/* Liste */

.basis-videos__intro {
  margin-bottom: var(--ui-space-5, 1.5rem);
}

.basis-videos__toc {
  margin-block: var(--ui-space-5, 1.5rem);
  padding-block: var(--ui-space-4, 1rem);
  border-block: 1px solid var(--ui-color-border, #ddd);
}

.basis-videos__toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 768px) {
  .basis-videos__toc-list {
    columns: 2;
    column-gap: var(--ui-space-6, 2rem);
  }
}

.basis-videos__toc-group {
  break-inside: avoid;
  padding-bottom: var(--ui-space-3, .75rem);
}

.basis-videos__toc-title {
  margin: 0 0 .25rem;
  font-size: 1.1em;
}

.basis-videos__toc-videos {
  margin: 0;
  padding: 0;
  list-style: none;
}

.basis-videos__toc-videos li {
  position: relative;
  padding: .15rem 0 .15rem 1.5em;
}

.basis-videos__toc-videos li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 1em;
  height: .7em;
  background: currentColor;
  opacity: .55;
  -webkit-mask: var(--bv-i-video) center / contain no-repeat;
  mask: var(--bv-i-video) center / contain no-repeat;
}

.com-basis-videos {
  --bv-i-video: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 16'%3E%3Crect width='16' height='16' rx='3'/%3E%3Cpath d='M17 5.5 24 1v14l-7-4.5z'/%3E%3C/svg%3E");
}

.basis-videos__section {
  margin-top: var(--ui-space-6, 2rem);
  scroll-margin-top: var(--bv-scroll-offset, 1rem);
}

.basis-videos__section-desc {
  margin-bottom: var(--ui-space-4, 1rem);
}

.basis-videos__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ui-space-5, 1.5rem) var(--ui-space-5, 1.5rem);
}

@media (min-width: 768px) {
  .basis-videos__grid {
    grid-template-columns: repeat(var(--bv-cols, 2), minmax(0, 1fr));
  }
}

/* Karten einer Zeile teilen sich die Zeilen des Rasters: Videos stehen auf einer Höhe, auch bei ungleich langen Titeln */
.basis-videos__card {
  display: grid;
  grid-template-rows: subgrid;
  grid-row: span 2;
  row-gap: .6rem;
  align-content: start;
  min-width: 0;
  scroll-margin-top: var(--bv-scroll-offset, 1rem);
}

.basis-videos__grid--text .basis-videos__card {
  grid-row: span 3;
}

.basis-videos__card--below .basis-videos__card-title {
  order: 2;
}

.basis-videos__card--below .basis-videos__card-text {
  order: 3;
}

.basis-videos__card-title {
  margin: 0;
  font-size: 1rem;
  line-height: 1.35;
}

.basis-videos__card-title a {
  color: inherit;
  text-decoration: none;
}

.basis-videos__card-title a:hover,
.basis-videos__card-title a:focus-visible {
  color: var(--ui-color-link, inherit);
  text-decoration: underline;
}

.basis-videos__card-text {
  margin: 0;
  font-size: var(--ui-text-sm, .875rem);
  color: var(--ui-color-text-muted, #666);
}

/* Detailseite */

.basis-videos-detail__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .25rem 1rem;
  margin: .75rem 0 0;
  font-size: var(--ui-text-sm, .875rem);
  color: var(--ui-color-text-muted, #666);
}

.basis-videos-detail__text {
  margin-top: var(--ui-space-5, 1.5rem);
}

.basis-videos-detail__more {
  margin-top: var(--ui-space-6, 2rem);
}

.basis-videos-detail__more ul {
  padding-left: 1.2em;
}

.basis-videos-detail__back {
  margin-top: var(--ui-space-5, 1.5rem);
}