/* =========================================================================
   chatCOS — Drei-Ebenen-Einhausung (Selbstschutz-Diagramm)
   Statisches, geschachteltes Schichten-Diagramm. Keine eigene Bewegung,
   Einblenden ausschliesslich ueber .reveal (IntersectionObserver in main.js).
   Farben ausschliesslich ueber die bestehenden CSS-Variablen -> beide Modi.
   ========================================================================= */

.containment {
  max-width: 840px;
  margin-inline: auto;
  margin-top: clamp(30px, 4vw, 48px);
}

/* ---- Kernbotschaft ueber dem Diagramm ---- */
.cmt-headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.16rem, 2.2vw, 1.6rem);
  line-height: 1.32;
  letter-spacing: -.02em;
  text-align: center;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto clamp(26px, 4vw, 38px);
  text-wrap: balance;
}
.cmt-headline strong {
  color: var(--accent);
  font-weight: 600;
  transition: color var(--dur) var(--ease);
}

/* ---- Geschachtelte Ebenen ---- */
.cmt-layer {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(16px, 2.4vw, 24px);
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.cmt-l1 { background: var(--surface); }
.cmt-l2 {
  margin-top: clamp(14px, 2vw, 20px);
  background: color-mix(in srgb, var(--accent) 5%, var(--surface));
  border-color: color-mix(in srgb, var(--accent) 15%, var(--border));
}
.cmt-l3 {
  margin-top: clamp(14px, 2vw, 20px);
  background: color-mix(in srgb, var(--accent) 9%, var(--surface));
  border-color: color-mix(in srgb, var(--accent) 24%, var(--border));
}

/* ---- Kopfzeile einer Ebene ---- */
.cmt-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
  flex-wrap: wrap;
}
.cmt-head-main {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.cmt-badge {
  width: 40px; height: 40px;
  flex: none;
  border-radius: 11px;
  display: grid; place-items: center;
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.cmt-badge svg { width: 20px; height: 20px; }

.cmt-idx {
  display: block;
  font-size: .71rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  transition: color var(--dur) var(--ease);
}
.cmt-title {
  font-size: clamp(1rem, 1.5vw, 1.14rem);
  margin-top: 2px;
}

/* ---- Status-Kennzeichnung (gesperrt/schreibgeschuetzt/unsichtbar) ---- */
.cmt-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: none;
  padding: 6px 13px;
  border-radius: 999px;
  font-size: .73rem;
  font-weight: 600;
  letter-spacing: .02em;
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border);
  white-space: nowrap;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.cmt-status svg { width: 14px; height: 14px; }

.cmt-desc {
  color: var(--text-muted);
  font-size: .93rem;
  line-height: 1.6;
  margin-top: 12px;
  max-width: 60ch;
}

/* ---- Innerster Kern: freier Arbeitsbereich ---- */
.cmt-core {
  margin-top: clamp(14px, 2vw, 20px);
  border-radius: var(--radius-sm);
  padding: clamp(18px, 2.6vw, 26px);
  text-align: center;
  background: linear-gradient(180deg, var(--accent-soft), color-mix(in srgb, var(--accent) 15%, var(--surface)));
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--border));
  transition: border-color var(--dur) var(--ease);
}
.cmt-core-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .02em;
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 8px 22px -12px color-mix(in srgb, var(--accent) 80%, transparent);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.cmt-core-badge svg { width: 14px; height: 14px; }
.cmt-core h3 {
  font-size: clamp(1.06rem, 1.7vw, 1.24rem);
  margin: 14px 0 6px;
}
.cmt-core p {
  color: var(--text);
  font-size: .95rem;
  max-width: 46ch;
  margin-inline: auto;
}

/* ---- Responsive ---- */
@media (max-width: 560px) {
  .cmt-badge { width: 36px; height: 36px; border-radius: 10px; }
  .cmt-badge svg { width: 18px; height: 18px; }
  .cmt-head { gap: 10px 12px; }
  .cmt-desc { font-size: .9rem; }
}