/* ---------- Video-Platzhalter (YouTube-Videos im Lesetext) ------------- *
 * Fläche im Videoformat, die bis zum Klick für das Video steht: dunkle
 * Bühne mit dem Punktraster des Anschluss-Schemas und einem angedeuteten
 * Abspielsymbol, Kennzeichnung, Titel, Ladeknopf und Datenschutzhinweis.
 * Kein Verweis auf die YouTube-Seite. Ab mittlerer Breite hat die Fläche das
 * Format des Players (16:9), nach dem Laden springt die Seite deshalb nicht.
 * Alle Regeln gelten nur für die Variante embed-facade__body--placeholder.
 * ------------------------------------------------------------------------ */
.embed-facade__body--placeholder {
  --placeholder-ring: clamp(9rem, 7rem + 10vw, 13rem);
  --placeholder-ring-x: 2.75rem;
  --placeholder-ring-y: 2.75rem;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  align-content: start;
  gap: 1rem;
  padding: clamp(1.5rem, 1.1rem + 1.6vw, 2.5rem);
  color: #fff;
  background-color: var(--color-primary-950);
  background-image:
    radial-gradient(
      circle at 1px 1px,
      color-mix(in oklch, #fff 11%, transparent) 1px,
      transparent 1.6px
    ),
    radial-gradient(
      110% 85% at 86% 6%,
      color-mix(in oklch, var(--color-primary-500) 62%, transparent) 0%,
      transparent 64%
    ),
    linear-gradient(158deg, var(--color-primary-800) 0%, var(--color-primary-950) 74%);
  background-size: 18px 18px, auto, auto;
}

/* Angedeutetes Abspielsymbol: Ring mit Halo und Dreieck, rein dekorativ. */
.embed-facade__body--placeholder::before,
.embed-facade__body--placeholder::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: var(--placeholder-ring-y);
  right: var(--placeholder-ring-x);
  aspect-ratio: 1;
  pointer-events: none;
}

.embed-facade__body--placeholder::before {
  width: var(--placeholder-ring);
  transform: translate(50%, -50%);
  border-radius: 50%;
  border: 1.5px solid color-mix(in oklch, #fff 16%, transparent);
  background: radial-gradient(
    circle,
    color-mix(in oklch, #fff 7%, transparent) 0%,
    transparent 70%
  );
  box-shadow:
    0 0 0 1.25rem color-mix(in oklch, #fff 3%, transparent),
    0 0 0 2.5rem color-mix(in oklch, #fff 2%, transparent);
}

.embed-facade__body--placeholder::after {
  width: calc(var(--placeholder-ring) * 0.3);
  transform: translate(56%, -50%);
  clip-path: polygon(18% 6%, 18% 94%, 96% 50%);
  background: linear-gradient(
    135deg,
    color-mix(in oklch, #fff 26%, transparent),
    color-mix(in oklch, #fff 10%, transparent)
  );
}

/* Auf schmalen Displays bleibt nur der angeschnittene Ring in der Ecke;
   das Dreieck käme der Kennzeichnung zu nahe. */
@media (max-width: 47.99rem) {
  .embed-facade__body--placeholder::after {
    display: none;
  }
}

/* Kennzeichnung als externer Inhalt */
.embed-facade__body--placeholder > small {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.85rem 0.4rem 0.7rem;
  border: 1px solid color-mix(in oklch, #fff 22%, transparent);
  border-radius: var(--radius-pill);
  background: color-mix(in oklch, var(--color-primary-950) 55%, transparent);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 650;
  line-height: 1.2;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in oklch, #fff 88%, transparent);
}

.embed-facade__body--placeholder > small::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--color-accent-400);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-accent-400) 22%, transparent);
}

.embed-facade__body--placeholder .embed-facade__title {
  max-width: 30ch;
  margin-top: 0.75rem;
  font-size: clamp(1.25rem, 1.05rem + 0.9vw, 1.75rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: #fff;
  text-wrap: balance;
}

.embed-facade__body--placeholder .embed-facade__actions {
  padding-top: 0.25rem;
}

.embed-facade__body--placeholder .btn {
  gap: 0.75rem;
  padding: 0.4rem 1.4rem 0.4rem 0.4rem;
  box-shadow: 0 12px 28px -14px color-mix(in oklch, var(--color-accent-400) 75%, transparent);
}

.embed-facade__body--placeholder .btn:focus-visible {
  outline: 2px solid var(--color-accent-300);
  outline-offset: 3px;
}

.embed-facade__body--placeholder .embed-facade__icon {
  width: 2.35rem;
  height: 2.35rem;
  background: var(--color-primary-950);
  color: var(--color-accent-400);
  box-shadow: none;
}

.embed-facade__body--placeholder .embed-facade__icon svg {
  margin-left: 2px;
}

/* Datenschutzhinweis als Fußzeile der Fläche */
.embed-facade__body--placeholder .embed-facade__note {
  justify-self: stretch;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  max-width: none;
  margin-top: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid color-mix(in oklch, #fff 14%, transparent);
  line-height: 1.55;
  color: color-mix(in oklch, #fff 80%, transparent);
}

.embed-facade__body--placeholder .embed-facade__note svg {
  flex: none;
  margin-top: 0.1em;
  color: var(--color-accent-400);
}

.embed-facade__body--placeholder .embed-facade__note span {
  max-width: 64ch;
}

.embed-facade__body--placeholder .embed-facade__note a {
  color: #fff;
  font-weight: 600;
  text-decoration-color: color-mix(in oklch, var(--color-accent-400) 80%, transparent);
  text-decoration-thickness: 1.5px;
}

.embed-facade__body--placeholder .embed-facade__note a:hover {
  color: var(--color-accent-300);
}

.embed-facade__body--placeholder .embed-facade__note a:focus-visible {
  outline: 2px solid var(--color-accent-300);
  outline-offset: 2px;
  border-radius: 2px;
}

@media (min-width: 48rem) {
  .embed-facade__body--placeholder {
    --placeholder-ring: clamp(12rem, 6rem + 11vw, 16rem);
    --placeholder-ring-x: 22%;
    --placeholder-ring-y: 42%;
    aspect-ratio: 16 / 9;
    grid-template-rows: auto 1fr auto auto;
  }

  .embed-facade__body--placeholder .embed-facade__title {
    align-self: end;
    max-width: min(30ch, 60%);
  }
}