@layer ec.patterns {
  .ec-carousel {
    position: relative;
  }

  .ec-carousel__viewport {
    overflow: visible;
  }

  .ec-carousel__track {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
    gap: var(--ec-space-5);
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .ec-carousel__slide {
    min-width: 0;
  }

  .ec-carousel[data-state="ready"] .ec-carousel__viewport {
    overflow: hidden;
    border-radius: var(--ec-radius-2xl);
  }

  .ec-carousel[data-state="ready"] .ec-carousel__track {
    display: flex;
    gap: 0;
    transform: translateX(calc(var(--ec-carousel-index, 0) * -100%));
    transition: transform var(--ec-motion-duration-emphasis) var(--ec-motion-easing-standard);
  }

  .ec-carousel[data-state="ready"] .ec-carousel__slide {
    flex: 0 0 100%;
  }

  .ec-carousel__controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--ec-space-3);
    margin-block-start: var(--ec-space-4);
  }

  .ec-carousel__button {
    display: inline-grid;
    width: var(--ec-touch-target-min);
    height: var(--ec-touch-target-min);
    padding: 0;
    place-items: center;
    border: var(--ec-border-width-thin) solid var(--ec-sys-color-outline-subtle);
    border-radius: var(--ec-radius-full);
    background: var(--ec-sys-color-surface);
    color: var(--ec-sys-color-primary);
    box-shadow: var(--ec-elevation-1);
    cursor: pointer;
  }

  .ec-carousel__button:hover {
    border-color: var(--ec-sys-color-primary);
    background: var(--ec-sys-color-interactive-subtle);
  }

  .ec-carousel__button svg {
    width: 1.25rem;
    height: 1.25rem;
    fill: currentColor;
  }

  /* Botão pausar/retomar (WCAG 2.2.2). Herda o corpo circular de
     .ec-carousel__button; aqui só alternamos os ícones conforme o estado. */
  .ec-carousel__toggle-icon--play {
    display: none;
  }

  .ec-carousel__toggle[aria-pressed="true"] .ec-carousel__toggle-icon--pause {
    display: none;
  }

  .ec-carousel__toggle[aria-pressed="true"] .ec-carousel__toggle-icon--play {
    display: block;
  }

  .ec-carousel__dots {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--ec-space-2);
  }

  .ec-carousel__dot {
    position: relative;
    width: 0.625rem;
    height: 0.625rem;
    padding: 0;
    border: 0;
    border-radius: var(--ec-radius-full);
    background: var(--ec-sys-color-outline-subtle);
    cursor: pointer;
    transition:
      background-color var(--ec-motion-duration-medium) var(--ec-motion-easing-standard),
      width var(--ec-motion-duration-medium) var(--ec-motion-easing-standard);
  }

  /* Alvo de toque >= 24px (WCAG 2.5.8) sem alterar o visual do ponto. */
  .ec-carousel__dot::before {
    content: "";
    position: absolute;
    inset: -0.5rem;
  }

  .ec-carousel__dot[aria-current="true"] {
    width: 1.75rem;
    background: var(--ec-sys-color-primary);
  }

  @media (prefers-reduced-motion: reduce) {
    .ec-carousel[data-state="ready"] .ec-carousel__track {
      transition: none;
    }
  }
}