@layer components {
  .carousel {
    position: relative;
    width: 100%;

    /* ── Viewport ──────────────────────────────── */
    & .carousel-viewport {
      display: flex;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      gap: 1rem;
      overscroll-behavior-x: contain;
      scrollbar-width: none;
      -webkit-overflow-scrolling: touch;

      &::-webkit-scrollbar { display: none; }
    }

    /* ── Slide ─────────────────────────────────── */
    & .carousel-slide {
      flex: 0 0 100%;
      scroll-snap-align: start;
      scroll-snap-stop: always;
      min-width: 0;
    }

    /* ── Prev / Next buttons ───────────────────── */
    & .carousel-prev,
    & .carousel-next {
      position: absolute;
      top: 50%;
      translate: 0 -50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 2rem;
      height: 2rem;
      border: 1px solid var(--border);
      border-radius: 9999px;
      background-color: var(--background);
      color: var(--foreground);
      cursor: pointer;
      box-shadow: var(--shadow-sm);
      transition: background-color 150ms ease, opacity 150ms ease;
      font-size: 0.875rem;
      z-index: 1;

      &:hover { background-color: var(--accent); }
      &:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; }
      &:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }
      & svg { width: 1rem; height: 1rem; }
    }

    & .carousel-prev { left: -1rem; }
    & .carousel-next { right: -1rem; }

    /* ── Dot indicators ────────────────────────── */
    & .carousel-dots {
      display: flex;
      justify-content: center;
      gap: 0.5rem;
      padding-block: 0.75rem;
    }

    & .carousel-dot {
      width: 0.5rem;
      height: 0.5rem;
      border-radius: 9999px;
      border: none;
      padding: 0;
      cursor: pointer;
      background-color: var(--border);
      transition: background-color 150ms ease, scale 150ms ease;

      &[aria-current="true"] {
        background-color: var(--foreground);
        scale: 1.25;
      }

      &:hover:not([aria-current="true"]) {
        background-color: var(--muted-foreground);
      }

      &:focus-visible {
        outline: 2px solid var(--ring);
        outline-offset: 2px;
      }
    }

    /* ── Counter text ──────────────────────────── */
    & .carousel-counter {
      text-align: center;
      font-size: 0.8125rem;
      color: var(--muted-foreground);
      padding-block-start: 0.5rem;
    }

    /* ── Vertical orientation ──────────────────── */
    &[data-orientation="vertical"] {
      & .carousel-viewport {
        flex-direction: column;
        overflow-x: hidden;
        overflow-y: auto;
        scroll-snap-type: y mandatory;
        overscroll-behavior-x: unset;
        overscroll-behavior-y: contain;
      }

      & .carousel-prev,
      & .carousel-next {
        left: 50%;
        right: auto;
        translate: -50% 0;
        top: auto;
      }
      & .carousel-prev { top: -1rem; bottom: auto; }
      & .carousel-next { bottom: -1rem; top: auto; }

      & .carousel-dots { flex-direction: column; }
    }
  }

  /* ── Accessibility ─────────────────────────── */
  @media (prefers-reduced-motion: reduce) {
    .carousel .carousel-viewport { scroll-behavior: auto; }
    .carousel .carousel-prev,
    .carousel .carousel-next { transition: none; }
    .carousel .carousel-dot { transition: none; }
  }

  @media (prefers-contrast: more) {
    .carousel .carousel-prev,
    .carousel .carousel-next {
      border-width: 2px;
    }
    .carousel .carousel-dot {
      border: 1px solid var(--foreground);
    }
  }

  @media (forced-colors: active) {
    .carousel .carousel-prev,
    .carousel .carousel-next {
      border: 1px solid ButtonText;
      background: ButtonFace;
      color: ButtonText;
    }
    .carousel .carousel-dot {
      background: ButtonText;
      &[aria-current="true"] { background: Highlight; }
    }
  }
}