/* =========================
   Carousel Base
========================= */

.carousel {
  --carousel-arrow-size: 2.25rem;
  --carousel-dot-size: 0.55rem;
  --carousel-gap: 0.75rem;

  position: relative;
  overflow: hidden;

  border: 1px solid var(--border);
  border-radius: var(--radius-md, 12px);

  background: var(--surface, #fff);

  margin-bottom: 1.25rem;

  transition: height 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* Optional subtle inner fade */
.carousel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
}

/* =========================
   Track + Slides
========================= */

.carousel-track {
  position: relative;
  overflow: hidden;

  /* Reserve space before JS sets the exact height — prevents CLS on load */
  min-height: 4rem;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  box-sizing: border-box;

  padding: 1rem;

  transition: transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* =========================
   Footer Controls
========================= */

.carousel-footer {
  display: flex;
  align-items: center;
  justify-content: center;

  gap: var(--carousel-gap);

  padding: 0.85rem 1rem 1rem;

  border-top: 1px solid var(--border-subtle, var(--border));
  background: var(--surface-alt, transparent);
}

/* =========================
   Dots
========================= */

.carousel-dots {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.carousel-dot {
  width: var(--carousel-dot-size);
  height: var(--carousel-dot-size);

  border-radius: 999px;
  border: none;

  background: var(--border);
  opacity: 0.7;

  cursor: pointer;
  padding: 0;

  transition:
    transform 0.2s ease,
    background 0.2s ease,
    opacity 0.2s ease;
}

.carousel-dot:hover {
  transform: scale(1.15);
  opacity: 1;
}

.carousel-dot.active {
  background: var(--accent);
  opacity: 1;

  transform: scale(1.35);
}

/* =========================
   Arrows
========================= */

.carousel-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: var(--carousel-arrow-size);
  height: var(--carousel-arrow-size);

  border-radius: 999px;
  border: 1px solid var(--border);

  background: var(--surface-elevated, transparent);

  color: var(--text-muted);

  cursor: pointer;

  transition:
    border-color 0.2s ease,
    color 0.2s ease,
    background 0.2s ease,
    transform 0.15s ease;
}

.carousel-arrow:hover {
  border-color: var(--accent);
  color: var(--accent);

  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.carousel-arrow:active {
  transform: scale(0.95);
}

.carousel-arrow:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* =========================
   Accessibility
========================= */

.carousel-arrow:focus-visible,
.carousel-dot:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* =========================
   Mobile Improvements
========================= */

@media (max-width: 640px) {
  .carousel-slide {
    padding: 0.85rem;
  }

  .carousel-footer {
    gap: 0.5rem;
    padding: 0.75rem;
  }

  .carousel-arrow {
    width: 2rem;
    height: 2rem;
  }
}