/* =====================================================
   Myanmar GSS — Premium Image Carousel
   Glassmorphism UI/UX Edition
===================================================== */

premium-carousel {
  --pc-bg: #121014;
  --pc-accent: #caa46a;
  --pc-accent-glow: rgba(202, 164, 106, 0.45);
  --pc-duration: 750ms;
  --pc-radius: 20px;

  /* Glassmorphic tokens */
  --pc-glass-bg: rgba(25, 22, 28, 0.45);
  --pc-glass-border: rgba(255, 255, 255, 0.18);
  --pc-glass-highlight: rgba(255, 255, 255, 0.08);
  --pc-glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --pc-glass-blur: blur(14px);

  display: block;
  width: 100%;
  min-width: 0;
}

premium-carousel,
premium-carousel * {
  box-sizing: border-box;
}

premium-carousel .pc {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--pc-radius);
  background: var(--pc-bg);
  box-shadow: var(--pc-glass-shadow);
}

premium-carousel .stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--pc-bg);
}

premium-carousel .slides {
  position: absolute;
  inset: 0;
}

premium-carousel .slide {
  position: absolute;
  inset: 0;
  z-index: 0;

  margin: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;

  transform: none;
  filter: none;

  transition:
    opacity var(--pc-duration) ease,
    visibility 0s linear var(--pc-duration);
}

premium-carousel .slide.is-active {
  z-index: 1;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;

  transition:
    opacity var(--pc-duration) ease,
    visibility 0s;
}

premium-carousel .slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;

  user-select: none;
  -webkit-user-drag: none;
}

/* ------------------------------
   Navigation dock
------------------------------ */

premium-carousel .dock {
  position: absolute;
  z-index: 5;
  right: 20px;
  bottom: 20px;
  left: 20px;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;

  pointer-events: none;
}

premium-carousel .dock > * {
  pointer-events: auto;
}

/* ------------------------------
   Arrow buttons & Icons
------------------------------ */

premium-carousel .arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;

  width: 46px;
  height: 46px;
  padding: 0;

  border: 1px solid var(--pc-glass-border);
  border-top: 1px solid rgba(255, 255, 255, 0.35); /* Top light refraction */
  border-radius: 50%;

  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.12) 0%,
    var(--pc-glass-bg) 100%
  );
  color: #fff;

  font-family: inherit;
  font-size: 20px;
  line-height: 1;
  text-align: center;

  cursor: pointer;
  box-shadow: var(--pc-glass-shadow);
  backdrop-filter: var(--pc-glass-blur);
  -webkit-backdrop-filter: var(--pc-glass-blur);

  transition:
    transform 200ms cubic-bezier(0.16, 1, 0.3, 1),
    background 200ms ease,
    border-color 200ms ease,
    box-shadow 200ms ease;
}

/* Perfect alignment for child SVGs or icons */
premium-carousel .arrow svg,
premium-carousel .arrow i {
  display: block;
  width: 18px;
  height: 18px;
  fill: currentColor;
  pointer-events: none;
}

premium-carousel .arrow:hover:not(:disabled) {
  transform: translateY(-2px) scale(1.04);
  background: linear-gradient(
    135deg,
    rgba(202, 164, 106, 0.4) 0%,
    rgba(202, 164, 106, 0.2) 100%
  );
  border-color: var(--pc-accent);
  box-shadow: 0 10px 24px 0 var(--pc-accent-glow);
}

premium-carousel .arrow:active:not(:disabled) {
  transform: translateY(0) scale(0.96);
}

premium-carousel .arrow:focus-visible,
premium-carousel .dot:focus-visible {
  outline: 2px solid var(--pc-accent);
  outline-offset: 3px;
}

premium-carousel .arrow:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: none;
}

/* ------------------------------
   Indicator dots
------------------------------ */

premium-carousel .indicators {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;

  max-width: calc(100% - 120px);
  padding: 8px 14px;

  border: 1px solid var(--pc-glass-border);
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;

  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.08) 0%,
    var(--pc-glass-bg) 100%
  );
  box-shadow: var(--pc-glass-shadow);
  backdrop-filter: var(--pc-glass-blur);
  -webkit-backdrop-filter: var(--pc-glass-blur);
}

premium-carousel .dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  padding: 0;

  border: 0;
  border-radius: 999px;

  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;

  transition:
    width 300ms cubic-bezier(0.16, 1, 0.3, 1),
    background 250ms ease,
    box-shadow 250ms ease;
}

premium-carousel .dot:hover {
  background: rgba(255, 255, 255, 0.75);
}

premium-carousel .dot.is-active {
  width: 24px;
  background: var(--pc-accent);
  box-shadow: 0 0 10px var(--pc-accent-glow);
}

/* ------------------------------
   Optional caption (Glass pill)
------------------------------ */

premium-carousel .caption {
  position: absolute;
  z-index: 3;
  bottom: 84px;
  left: 20px;

  margin: 0;
  padding: 8px 16px;
  max-width: 80%;

  border: 1px solid var(--pc-glass-border);
  border-radius: 12px;
  background: var(--pc-glass-bg);
  backdrop-filter: var(--pc-glass-blur);
  -webkit-backdrop-filter: var(--pc-glass-blur);
  box-shadow: var(--pc-glass-shadow);

  color: #fff;
  font-size: 14px;
  line-height: 1.4;

  opacity: 0;
  visibility: hidden;
  pointer-events: none;

  transition:
    opacity 300ms ease,
    visibility 0s linear 300ms;
}

premium-carousel .caption.is-visible {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

/* ------------------------------
   Screen-reader text
------------------------------ */

premium-carousel .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;

  overflow: hidden;
  clip: rect(0, 0, 0, 0);

  white-space: nowrap;
  border: 0;
}

/* ------------------------------
   Responsive
------------------------------ */

@media (max-width: 700px) {
  premium-carousel .stage {
    aspect-ratio: 4 / 3;
  }

  premium-carousel .dock {
    right: 12px;
    bottom: 12px;
    left: 12px;
    gap: 8px;
  }

  premium-carousel .arrow {
    width: 38px;
    height: 38px;
    font-size: 16px;
  }

  premium-carousel .arrow svg,
  premium-carousel .arrow i {
    width: 15px;
    height: 15px;
  }

  premium-carousel .indicators {
    gap: 6px;
    padding: 6px 10px;
  }

  premium-carousel .dot {
    width: 6px;
    height: 6px;
  }

  premium-carousel .dot.is-active {
    width: 18px;
  }

  premium-carousel .caption {
    left: 12px;
    bottom: 64px;
    max-width: calc(100% - 24px);
    font-size: 12px;
  }
}

/* ------------------------------
   Reduced motion
------------------------------ */

@media (prefers-reduced-motion: reduce) {
  premium-carousel .slide,
  premium-carousel .slide.is-active,
  premium-carousel .arrow,
  premium-carousel .dot,
  premium-carousel .caption {
    transition: none !important;
    transform: none !important;
  }
}