/* Semantic Before-After Image Comparison Block */
.semantic-before-after {
  --comparison-position: 50%;
  display: grid;
  gap: 0.85rem;
}

.before-after-stage {
  position: relative;
  width: min(100%, var(--comparison-max-width, 100%));
  margin-inline: auto;
  aspect-ratio: var(--comparison-aspect, 16/9);
  overflow: hidden;
  border: 1px solid var(--line, rgba(255, 255, 255, 0.15));
  background: #080a10;
  border-radius: 4px;
}

html[data-theme="light"] .before-after-stage {
  border-color: rgba(0, 0, 0, 0.15);
  background: #e9eaec;
}

.before-after-badges {
  position: absolute;
  top: 12px;
  left: 14px;
  right: 14px;
  display: flex;
  justify-content: space-between;
  z-index: 6;
  pointer-events: none;
}

.before-after-tag {
  padding: 5px 10px;
  background: rgba(11, 14, 23, 0.88) !important;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.22) !important;
  border-radius: 3px;
  color: #ffffff !important;
  font: 600 0.74rem/1.2 var(--font-mono, monospace);
  letter-spacing: 0.04em;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.5);
  transition: opacity 0.18s ease-out;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
}

html[data-theme="light"] .before-after-tag {
  background: rgba(20, 24, 33, 0.88) !important;
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.25) !important;
}

.before-after-tag.tag-before {
  opacity: var(--before-tag-opacity, 1);
}

.before-after-tag.tag-after {
  opacity: var(--after-tag-opacity, 1);
}

.before-after-stage figure {
  position: absolute;
  inset: 0;
  margin: 0;
}

.before-after-media {
  width: 100%;
  height: 100%;
  min-height: 0;
}

.before-after-stage img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  background: #080a10;
}

.before-after-stage figcaption {
  display: none;
}

html[data-theme="light"] .before-after-stage img {
  background: #e9eaec;
}

.before-after-overlay {
  clip-path: inset(0 calc(100% - var(--comparison-position)) 0 0);
}

.before-after-divider {
  position: absolute;
  z-index: 4;
  top: 0;
  bottom: 0;
  left: var(--comparison-position);
  width: 2px;
  background: var(--signal-text, #d6ff73);
  box-shadow: 0 0 10px rgba(214, 255, 115, 0.6);
  transform: translateX(-1px);
  pointer-events: none;
}

.before-after-control {
  width: min(100%, var(--comparison-max-width, 100%));
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.85rem;
  min-height: 44px;
  color: var(--ink-dim, #99aab5);
  font: 600 0.72rem/1.3 var(--font-mono, monospace);
}

html[data-theme="light"] .before-after-control {
  color: #2d3748 !important;
}

.before-after-control button {
  min-height: 44px;
  padding: 0 .25rem;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.before-after-control button:hover { color: var(--ink); }
.before-after-control button:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }

.before-after-control input {
  width: 100%;
  min-height: 44px;
  margin: 0;
  accent-color: var(--signal-text, #39d353);
  cursor: ew-resize;
}

.before-after-status {
  margin: 0;
  color: var(--ink-dim, #8b949e);
  font-size: 0.88rem;
  line-height: 1.6;
}

html[data-theme="light"] .before-after-status {
  color: #374151 !important;
}

/*
 * Paired specimen mode is for images that describe the same work but do not
 * share registration, crop, or aspect ratio. Both sources stay complete and
 * keep their own label; the comparison is spatial rather than a false wipe.
 */
.semantic-before-after[data-comparison-mode="paired"] .before-after-stage {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
  gap: 1px;
  aspect-ratio: auto;
  background: var(--line, rgba(255, 255, 255, 0.15));
}

.semantic-before-after[data-comparison-mode="paired"] .before-after-stage figure {
  position: relative;
  inset: auto;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #080a10;
}

.semantic-before-after[data-comparison-mode="paired"] .before-after-overlay {
  grid-column: 1;
  grid-row: 1;
  clip-path: none;
}

.semantic-before-after[data-comparison-mode="paired"] .before-after-base {
  grid-column: 2;
  grid-row: 1;
}

.semantic-before-after[data-comparison-mode="paired"] .before-after-media {
  display: grid;
  place-items: center;
  aspect-ratio: 7/10;
  height: auto;
  overflow: hidden;
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(255, 255, 255, 0.035) 50%, transparent 50.2%),
    #080a10;
}

.semantic-before-after[data-comparison-mode="paired"] .before-after-stage figcaption {
  order: -1;
  display: flex;
  align-items: center;
  min-height: 54px;
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--line, rgba(255, 255, 255, 0.15));
  color: var(--ink, #f5f5f2);
  font: 600 0.72rem/1.45 var(--font-mono, monospace);
  letter-spacing: 0.045em;
  overflow-wrap: anywhere;
}

.semantic-before-after[data-comparison-mode="paired"] .before-after-overlay figcaption::before,
.semantic-before-after[data-comparison-mode="paired"] .before-after-base figcaption::before {
  flex: 0 0 auto;
  margin-right: 0.65rem;
  color: var(--signal-text, #d6ff73);
  font-size: var(--fs-micro);
  letter-spacing: 0.08em;
}

.semantic-before-after[data-comparison-mode="paired"] .before-after-overlay figcaption::before {
  content: "SOURCE 01";
}

.semantic-before-after[data-comparison-mode="paired"] .before-after-base figcaption::before {
  content: "SOURCE 02";
}

.semantic-before-after[data-comparison-mode="paired"] .before-after-badges,
.semantic-before-after[data-comparison-mode="paired"] .before-after-divider,
.semantic-before-after[data-comparison-mode="paired"] .before-after-control {
  display: none;
}

html[data-theme="light"] .semantic-before-after[data-comparison-mode="paired"] .before-after-stage {
  background: rgba(0, 0, 0, 0.15);
}

html[data-theme="light"] .semantic-before-after[data-comparison-mode="paired"] .before-after-stage figure,
html[data-theme="light"] .semantic-before-after[data-comparison-mode="paired"] .before-after-media {
  background-color: #e9eaec;
}

html[data-theme="light"] .semantic-before-after[data-comparison-mode="paired"] .before-after-stage figcaption {
  color: #1f2937;
}

@media (max-width: 640px) {
  .before-after-stage {
    aspect-ratio: var(--comparison-aspect, 4/3);
  }
  .before-after-tag {
    font-size: var(--fs-micro);
    padding: 3px 6px;
  }

  .semantic-before-after[data-comparison-mode="overlay"] .before-after-control {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0.2rem 0.75rem;
  }

  .semantic-before-after[data-comparison-mode="overlay"] .before-after-control input {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .semantic-before-after[data-comparison-mode="overlay"] .before-after-control button {
    min-width: 0;
    justify-self: start;
    text-align: left;
    overflow-wrap: anywhere;
  }

  .semantic-before-after[data-comparison-mode="overlay"] .before-after-control button:last-child {
    justify-self: end;
    text-align: right;
  }

  .semantic-before-after[data-comparison-mode="paired"] .before-after-stage {
    grid-template-columns: minmax(0, 1fr);
    aspect-ratio: auto;
  }

  .semantic-before-after[data-comparison-mode="paired"] .before-after-overlay {
    grid-column: 1;
    grid-row: 1;
  }

  .semantic-before-after[data-comparison-mode="paired"] .before-after-base {
    grid-column: 1;
    grid-row: 2;
  }

  .semantic-before-after[data-comparison-mode="paired"] .before-after-stage figcaption {
    min-height: 50px;
    padding: 0.65rem 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .before-after-overlay,
  .before-after-tag {
    transition: none;
  }
}

@media print {
  .semantic-before-after .before-after-stage {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    aspect-ratio: auto;
    overflow: visible;
    border: 0;
    background: transparent;
  }

  .semantic-before-after .before-after-stage figure,
  .semantic-before-after .before-after-overlay,
  .semantic-before-after .before-after-base {
    position: relative;
    inset: auto;
    grid-column: auto;
    grid-row: auto;
    clip-path: none;
  }

  .semantic-before-after .before-after-media {
    height: auto;
    aspect-ratio: auto;
  }

  .semantic-before-after .before-after-stage img {
    height: auto;
  }

  .semantic-before-after .before-after-stage figcaption {
    display: block;
    color: #111;
  }

  .before-after-badges,
  .before-after-divider,
  .before-after-control {
    display: none;
  }
}

/* Paired crops of different heights: show each whole, tops aligned. */
.semantic-before-after[data-comparison-mode="paired"] .before-after-stage { align-items: start; }
.semantic-before-after[data-comparison-mode="paired"] .before-after-stage figcaption { min-height: 3.75rem; }
.semantic-before-after[data-comparison-mode="paired"] .before-after-media { display: block; aspect-ratio: auto; }
.semantic-before-after[data-comparison-mode="paired"] .before-after-media img { display: block; width: 100%; height: auto; }
.semantic-before-after[data-comparison-mode="paired"] .before-after-stage { gap: 0; background: #080a10; }
.semantic-before-after[data-comparison-mode="paired"] .before-after-base { border-left: 1px solid var(--line, rgba(255, 255, 255, 0.15)); }
html[data-theme="light"] .semantic-before-after[data-comparison-mode="paired"] .before-after-stage { background: #e9eaec; }
@media (max-width: 640px) {
  .semantic-before-after[data-comparison-mode="paired"] .before-after-base { border-left: 0; border-top: 1px solid var(--line, rgba(255, 255, 255, 0.15)); }
}

/* Overlay images of different heights share one width and line up at the top;
   a shorter image ends on the stage's dark ground. */
.semantic-before-after[data-comparison-mode="overlay"] .before-after-stage img { object-position: center top; }

.semantic-before-after.is-switching .before-after-overlay { transition: clip-path .45s ease; }
.semantic-before-after.is-switching .before-after-divider { transition: left .45s ease; }

@media (prefers-reduced-motion: reduce) {
  .semantic-before-after.is-switching .before-after-overlay,
  .semantic-before-after.is-switching .before-after-divider { transition: none; }
}
.semantic-before-after[data-comparison-mode="overlay"] .before-after-stage,
.semantic-before-after[data-comparison-mode="overlay"] .before-after-stage img,
html[data-theme="light"] .semantic-before-after[data-comparison-mode="overlay"] .before-after-stage,
html[data-theme="light"] .semantic-before-after[data-comparison-mode="overlay"] .before-after-stage img { background: #050608; }