/* Agent Engine — horizon-identity.html signature diagram: scope rings + ACL fork.
   Concentric scopes (personal → team → company) growing out from the lit v1
   core, plus the fork "whose ACL applies" — owner identity vs service account.
   Loaded by horizon-identity.html on top of module.css + horizon.css.
   Placement convention: docs/architecture/README.md §Styling. */

/* ── Concentric scope rings ── nested framed blocks (solid hairline, like a
   workzone container), the inner team ring recessed onto a cooler ground. ── */
.hzi-rings {
  position: relative;
  border: 1.5px solid var(--hz-line);
  border-radius: var(--radius);
  padding: 2.1rem 1.3rem 1.3rem;
}
.hzi-rings--team {
  background: var(--hz-panel);
}
.hzi-ring__tag {
  position: absolute;
  top: 0.6rem;
  left: 1.3rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--hz-dim);
}

/* Innermost — the lit personal core that exists today. */
.hzi-core {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.2rem;
  padding: 1rem 1.1rem;
  background: var(--paper);
  border: 2px solid var(--hz-spark);
  border-radius: var(--radius-md);
  box-shadow: 0 0 0 5px var(--hz-spark-pale);
}
.hzi-core__g {
  font-size: 1.3rem;
  line-height: 1;
}
.hzi-core__t {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
}
.hzi-core__s {
  font-family: var(--mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--hz-spark);
}

/* Team-lead aside — who runs the middle ring. */
.hzi-aside {
  margin-top: 0.7rem;
  font-size: 0.74rem;
  line-height: 1.4;
  color: var(--hz-ink);
}

/* ── ACL fork — whose rights the agent reads under ── */
.hzi-fork {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
  margin-top: 1rem;
}
.hzi-opt {
  padding: 0.75rem 0.9rem;
  background: var(--surface);
  border: 1.5px solid var(--hz-line);
  border-left: 3px solid var(--hz-dim);
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
}
.hzi-opt__h {
  font-weight: 700;
  font-size: 0.84rem;
  color: var(--text);
  margin-bottom: 0.2rem;
}
.hzi-opt__d {
  font-size: 0.76rem;
  line-height: 1.45;
  color: var(--hz-ink);
}

@media (max-width: 640px) {
  .hzi-fork {
    grid-template-columns: 1fr;
  }
}