/* ============================================================
   VERVE v2 — modules : compare slider
   Drawings sit on a light "sheet" in both themes; chrome around
   them follows the page tokens.
   ============================================================ */

/* ---------- compare ---------- */

.cmp { position: relative; max-width: calc((100svh - var(--nav-h) - 7rem) * var(--arn, 1.5)); margin-inline: auto; }

.cmp__frame {
  --p: 50%;
  position: relative;
  aspect-ratio: var(--ar, 3 / 2);
  overflow: hidden;
  background: var(--sheet);
  box-shadow: 0 0 0 1px var(--line-soft), var(--shadow);
  border-radius: 2px;
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  cursor: ew-resize;
}
.cmp__frame:focus-visible { outline: 1.5px solid var(--terra); outline-offset: 6px; }

.cmp__img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  pointer-events: none;
}
.cmp__img--a { clip-path: inset(0 calc(100% - var(--p)) 0 0); will-change: clip-path; }

/* handle: a full-frame layer translated by --p of its own width */
.cmp__handle {
  position: absolute; inset: 0;
  transform: translate3d(var(--p), 0, 0);
  pointer-events: none;
  will-change: transform;
}
.cmp__line {
  position: absolute; top: 0; bottom: 0; left: -.5px;
  width: 1px;
  background: var(--terra);
}
.cmp__line::before, .cmp__line::after {     /* registration ticks top & bottom */
  content: ""; position: absolute; left: -4px; width: 9px; height: 1px; background: var(--terra);
}
.cmp__line::before { top: 10px; }
.cmp__line::after { bottom: 10px; }
.cmp__grip {
  position: absolute; top: 50%; left: 0;
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--terra);
  background: rgba(248, 245, 238, .92);
  color: var(--terra);
  box-shadow: 0 10px 24px -12px rgba(43, 35, 31, .55);
  transform: translate(-50%, -50%);
  transition: transform var(--dur-1) var(--ease-out), background-color var(--dur-1);
}
.cmp__arrows { font-size: 1.5rem; line-height: 1; transform: translateY(-1px); }
.cmp__frame:hover .cmp__grip,
.cmp.is-dragging .cmp__grip { transform: translate(-50%, -50%) scale(1.08); }
.cmp.is-dragging .cmp__grip { background: var(--terra); color: #f8f5ee; }
.cmp__frame:focus-visible .cmp__grip { box-shadow: 0 0 0 4px rgba(179, 76, 72, .25), 0 10px 24px -12px rgba(43, 35, 31, .55); }

.cmp__lbl {
  position: absolute; top: clamp(.6rem, 1.4vw, 1.1rem);
  padding: .35em .7em;
  background: rgba(248, 245, 238, .86);
  color: #2b231f;
  border: 1px solid rgba(43, 35, 31, .12);
  pointer-events: none;
  white-space: nowrap;
  transition: opacity var(--dur-1) linear;
}
.cmp__lbl--a { left: clamp(.6rem, 1.4vw, 1.1rem); }
.cmp__lbl--b { right: clamp(.6rem, 1.4vw, 1.1rem); }

.cmp__foot {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  margin-top: 1rem;
}
.cmp__cap { max-width: 60ch; }
.cmp__expand {
  flex: none;
  display: inline-flex; align-items: center; gap: .6em;
  padding: .55em .95em;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-2);
  transition: color var(--dur-1), border-color var(--dur-1), background-color var(--dur-1);
}
.cmp__expand:hover { color: var(--ink); border-color: var(--ink); }
.cmp__expand[hidden] { display: none; }

@media (max-width: 599px) {
  .cmp__grip { width: 40px; height: 40px; }
  .cmp__lbl { font-size: .58rem; letter-spacing: .12em; }
  .cmp__foot { flex-direction: column; align-items: flex-start; gap: .7rem; }
}