/* Agent Engine — identity page diagrams: identity binding · version split.
   Loaded by _workzone/identity.html on top of module.css.
   Placement convention: docs/architecture/README.md §Styling. */

/* ═══════════════════════════════════════════
   Identity binding — owner → frame → KS
   ═══════════════════════════════════════════ */
.id-bind {
  display: grid;
  grid-template-columns: 1fr auto 1.4fr auto 1fr;
  align-items: center;
  gap: 0.55rem;
  margin: 0.3rem 0;
}

.id-node {
  padding: 0.8rem 0.85rem;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1.5px solid var(--border);
  text-align: center;
}
.id-node--owner {
  border-color: var(--s2);
}
.id-node--ks {
  border-color: var(--s3);
  background: var(--s3-pale);
}
.id-node__g {
  font-size: 1.3rem;
}
.id-node__t {
  font-weight: 700;
  font-size: 0.84rem;
  margin-top: 0.15rem;
}
.id-node__s {
  font-size: 0.73rem;
  color: var(--text-dim);
}

.id-frame {
  position: relative;
  padding: 1rem 0.9rem 0.75rem;
  border: 2px dashed var(--accent);
  border-radius: var(--radius);
  background: var(--paper);
  text-align: center;
}
.id-frame__cap {
  position: absolute;
  top: -0.62rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--paper);
  padding: 0 0.45rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  white-space: nowrap;
}
.id-frame__t {
  font-weight: 700;
  font-size: 0.85rem;
}
.id-frame__s {
  font-size: 0.74rem;
  color: var(--text-dim);
  margin-top: 0.2rem;
}
.id-frame__eq {
  display: inline-block;
  margin-top: 0.4rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--tint-8);
  border-radius: var(--pill-radius);
  padding: 0.15rem 0.5rem;
}

.id-edge {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.68rem;
  line-height: 1.2;
}
.id-edge__arr {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dim);
}

/* ═══════════════════════════════════════════
   Version split — v1 now / v2 later
   ═══════════════════════════════════════════ */
.id-versions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
  margin: 0.3rem 0;
}
.id-ver {
  padding: 0.8rem 0.9rem;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1.5px solid var(--border);
}
.id-ver--now {
  border-left: 3px solid var(--s3);
}
.id-ver--later {
  border-left: 3px dashed var(--text-muted);
  opacity: 0.92;
}
.id-ver__h {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.84rem;
  margin-bottom: 0.4rem;
}
.id-ver__h .iter {
  margin-left: 0;
}
.id-ver__list {
  margin: 0;
  padding-left: 1rem;
  font-size: 0.78rem;
  color: var(--text-dim);
}
.id-ver__list li {
  margin: 0.2rem 0;
}

@media (max-width: 680px) {
  .id-bind {
    grid-template-columns: 1fr;
  }
  .id-edge {
    transform: rotate(90deg);
  }
  .id-versions {
    grid-template-columns: 1fr;
  }
}