/* <so-compare> — before/after slider. Themeable through the custom properties below. */
so-compare {
  --so-compare-accent: #12e000;
  --so-compare-ink: #021400;
  --so-compare-radius: 0px;
  --so-compare-grip-radius: 13px;
  --so-compare-ratio: 16 / 9;
  --so-compare-ease: cubic-bezier(0.23, 1, 0.32, 1);

  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: var(--so-compare-ratio);
  border-radius: var(--so-compare-radius);
  cursor: ew-resize;
  /* Sideways drags move the handle; vertical ones still scroll the page. */
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  isolation: isolate;
}

.so-compare__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.so-compare__before {
  position: absolute;
  inset: 0;
  clip-path: inset(0 50% 0 0);
  will-change: clip-path;
}

/* The handle is a zero-width box moved with translate; its children hang off its centre line. */
.so-compare__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 0;
  will-change: transform;
  outline: none;
}

.so-compare__handle::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: -1px;
  width: 2px;
  background: var(--so-compare-accent);
  box-shadow: 0 0 14px color-mix(in srgb, var(--so-compare-accent) 70%, transparent);
}

.so-compare__grip {
  position: absolute;
  top: 50%;
  left: 0;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin: -22px 0 0 -22px;
  color: var(--so-compare-ink);
  background: var(--so-compare-accent);
  border-radius: var(--so-compare-grip-radius);
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.35);
  transition: transform 160ms var(--so-compare-ease);
}

so-compare[data-dragging] .so-compare__grip {
  transform: scale(0.94);
}

.so-compare__handle:focus-visible .so-compare__grip {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

/* Click-to-position glides; dragging and the keyboard never carry this attribute. */
so-compare[data-gliding] .so-compare__before {
  transition: clip-path 260ms var(--so-compare-ease);
}

so-compare[data-gliding] .so-compare__handle {
  transition: transform 260ms var(--so-compare-ease);
}

so-compare[data-gliding] .so-compare__grip {
  transition: transform 160ms var(--so-compare-ease), translate 260ms var(--so-compare-ease);
}

.so-compare__tag {
  position: absolute;
  top: 14px;
  padding: 6px 10px;
  font: 500 11px/1 ui-monospace, 'Geist Mono', monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #e9f5ee;
  background: rgba(8, 9, 12, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 7px;
  pointer-events: none;
  transition: opacity 150ms ease;
}

.so-compare__tag--before {
  left: 14px;
}

.so-compare__tag--after {
  right: 14px;
  color: var(--so-compare-accent);
  border-color: color-mix(in srgb, var(--so-compare-accent) 40%, transparent);
}

.so-compare__tag[data-hidden] {
  opacity: 0;
}

/* Before upgrade / without JS: show the "after" image only, no broken overlap. */
so-compare:not(:defined) > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

so-compare:not(:defined) > img:first-of-type {
  display: none;
}

@media (hover: hover) and (pointer: fine) {
  so-compare:not([data-dragging]) .so-compare__grip:hover {
    transform: scale(1.06);
  }
}

@media (prefers-reduced-motion: reduce) {
  .so-compare__grip {
    transition: none;
  }
}