.lightbox {
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  padding: 0;
  border: 0;
  margin: 0;
  background: var(--color-lightbox-ground);
  color: var(--color-text);
  overscroll-behavior: contain;
}

.lightbox::backdrop {
  background: var(--color-lightbox-backdrop);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lightbox__close {
  position: absolute;
  top: clamp(0.75rem, 2vh, 1.5rem);
  right: clamp(0.75rem, 2vw, 1.5rem);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: var(--control-h-m);
  padding: 0 var(--space-4);
  font-family: var(--font-ui);
  font-size: var(--text-ui-mark);
  font-weight: 600;
  letter-spacing: var(--tracking-mark);
  line-height: 1;
  text-transform: none;
  color: var(--color-text);
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out-expo),
    border-color var(--duration-fast) var(--ease-out-expo);
}

.lightbox__close:hover,
.lightbox__close:focus-visible {
  background-color: var(--color-surface-2);
  border-color: var(--color-accent-line);
}

.lightbox__close .icon {
  transition: transform var(--duration-fast) var(--ease-out-expo);
}

.lightbox__close:hover .icon,
.lightbox__close:focus-visible .icon {
  transform: rotate(90deg);
}

.lightbox__stage {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  touch-action: none;
  cursor: pointer;
}

.lightbox__video {
  display: block;
  width: min(96vw, 1800px, calc(88vh * 16 / 9));
  height: auto;
  aspect-ratio: 16 / 9;
  background-color: var(--color-frame);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  cursor: pointer;
}

.lightbox__video[hidden],
.lightbox__img[hidden] {
  display: none;
}

.lightbox__stage.is-paused::before,
.lightbox__stage.is-paused::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  pointer-events: none;
}

.lightbox__stage.is-paused::after {
  width: 76px;
  height: 76px;
  margin: -38px 0 0 -38px;
  background-color: var(--color-bg-blur);
  border: 1px solid var(--color-accent-line);
  border-radius: 50%;
}

.lightbox__stage.is-paused::before {
  z-index: 1;
  width: 24px;
  height: 28px;
  margin: -14px 0 0 -9px;
  background-color: var(--color-text);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.lightbox__img {
  display: block;
  max-width: min(96vw, 1800px);
  max-height: 88vh;
  width: auto;
  height: auto;
  color: transparent;
  user-select: none;
  -webkit-user-drag: none;
  will-change: transform;
  transform: translate(0, 0) scale(1);
  transform-origin: center center;
  cursor: grab;
}

.lightbox__img:active {
  cursor: grabbing;
}

.lightbox__hint {
  position: absolute;
  bottom: clamp(0.75rem, 2vh, 1.25rem);
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-ui);
  font-size: var(--text-ui-mark);
  font-weight: 600;
  letter-spacing: var(--tracking-mark);
  color: var(--color-moon);
  background: var(--color-hint-ground);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .lightbox__close,
  .lightbox__close .icon {
    transition: none;
  }
  .lightbox__close:hover .icon,
  .lightbox__close:focus-visible .icon {
    transform: none;
  }
}

@media (max-width: 480px) {
  .lightbox__hint {
    display: none;
  }
}