.carousel {
  --fc-bg: var(--bg, #ffffff);
  --fc-panel: #f6f7fa;
  --fc-border: rgba(0, 0, 0, 0.08);
  --fc-accent: var(--link, #0066cc);
  --fc-text: var(--text, #111111);
  --fc-soft: rgba(0, 0, 0, 0.04);
  --fc-media-bg: #e5eaf1;
  --fc-accent-soft: rgba(0, 102, 204, 0.12);
  --fc-veil: rgba(0, 0, 0, 0.04);
  --fc-shadow: 0 22px 44px -32px rgba(0, 0, 0, 0.35);
  --fc-warning-bg: rgba(255, 213, 128, 0.16);
  --fc-warning-border: rgba(255, 184, 63, 0.48);
  width: min(100%, 780px);
  margin: 2rem auto;
  padding: 1.5rem;
  border-radius: 18px;
  color: var(--fc-text);
  background: var(--fc-bg);
  border: 1px solid var(--fc-border);
  box-shadow: var(--fc-shadow);
}

@media (prefers-color-scheme: dark) {
  .carousel {
    --fc-panel: rgba(255, 255, 255, 0.06);
    --fc-border: rgba(255, 255, 255, 0.14);
    --fc-accent: var(--link, #7aa2ff);
    --fc-text: var(--text, #e6e6e6);
    --fc-soft: rgba(255, 255, 255, 0.04);
    --fc-media-bg: #050b12;
    --fc-accent-soft: rgba(122, 162, 255, 0.16);
    --fc-veil: rgba(14, 23, 41, 0.78);
    --fc-shadow: 0 22px 44px -28px rgba(0, 0, 0, 0.75);
    --fc-warning-bg: rgba(255, 213, 128, 0.08);
    --fc-warning-border: rgba(255, 213, 128, 0.4);
  }
}

.carousel__viewport {
  position: relative;
}

.carousel-card {
  display: none;
  gap: 1.5rem;
  align-items: stretch;
  padding: 1.25rem;
  border-radius: 14px;
  background: var(--fc-panel);
  border: 1px solid var(--fc-border);
}

.carousel-card.is-active {
  display: grid;
}

@media (min-width: 860px) {
  .carousel-card {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  }
}

.carousel-card__visual {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.carousel-card__thumb,
.carousel-card__player {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--fc-media-bg);
  box-shadow: inset 0 0 0 1px var(--fc-border);
}

.carousel-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.95);
  transition: transform 160ms ease, filter 160ms ease;
}

.carousel-card__thumb:hover img {
  transform: scale(1.01);
  filter: saturate(1.05);
}

.carousel-card__play {
  position: absolute;
  inset: 0;
  margin: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  width: 9rem;
  height: 3rem;
  border-radius: 999px;
  border: 1px solid var(--fc-border);
  background: var(--fc-veil);
  color: var(--fc-text);
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease;
  backdrop-filter: blur(6px);
}

.carousel-card__play:hover,
.carousel-card__play:focus-visible {
  border-color: var(--fc-accent);
  background: var(--fc-accent-soft);
  transform: translateY(-2px);
  outline: none;
}

.carousel-card__play i {
  font-size: 1.4rem;
}

.carousel-card__player {
  display: none;
}

.carousel-card__player.is-visible {
  display: block;
}

.carousel-card__player iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.carousel-card__thumb.is-hidden {
  display: none;
}

.carousel-card__body {
  display: grid;
  gap: 0.4rem;
  align-content: end;
}

.carousel-card__title {
  margin: 0;
  font-size: 1.6rem;
}

.carousel-card__description {
  margin: 0;
  line-height: 1.6;
}

.carousel__controls {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.carousel__nav {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.65rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--fc-border);
  background: var(--fc-soft);
  color: var(--fc-text);
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease;
}

.carousel__nav:hover,
.carousel__nav:focus-visible {
  border-color: var(--fc-accent);
  background: var(--fc-accent-soft);
  outline: none;
}

.carousel__dots {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.carousel__dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  border: 1px solid var(--fc-border);
  background: var(--fc-soft);
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.carousel__dot.is-active {
  background: var(--fc-accent);
  border-color: var(--fc-accent);
  transform: scale(1.12);
}

.carousel__dot:hover,
.carousel__dot:focus-visible {
  border-color: var(--fc-accent);
  outline: none;
}

.carousel__empty {
  padding: 1rem;
  border-radius: 10px;
  background: var(--fc-warning-bg);
  border: 1px solid var(--fc-warning-border);
}

@media (max-width: 720px) {
  .carousel {
    padding: 1.25rem;
  }

  .carousel-card {
    display: none;
  }

  .carousel-card.is-active {
    display: flex;
    flex-direction: column;
  }

  .carousel-card__title {
    font-size: 1.35rem;
  }

  .carousel__controls {
    flex-direction: column;
    align-items: stretch;
  }

  .carousel__dots {
    justify-content: center;
  }

  .carousel__nav {
    justify-content: center;
  }
}