/* Salón de plática continua: espacio amplio, reloj discreto, tono sereno. */
.nexus-salon {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-top: 1rem;
  padding: 0.9rem 0.9rem 1rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: linear-gradient(180deg, rgba(12, 10, 28, 0.55), rgba(7, 8, 20, 0.72));
}

.nexus-reloj-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.nexus-reloj,
#nexus-reloj,
#nexus-reloj-publica {
  margin: 0;
  color: #c9d6ea;
  font-size: 0.82rem;
  letter-spacing: 0.01em;
  font-weight: 500;
  line-height: 1.45;
}

.nexus-reloj-barra {
  height: 3px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.nexus-reloj-barra > span {
  display: block;
  height: 100%;
  width: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, rgba(169, 112, 255, 0.75), rgba(242, 207, 131, 0.7));
  transition: width 0.8s ease;
}

.nexus-hilo {
  display: none;
  min-height: min(42vh, 340px);
  max-height: min(58vh, 560px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0.85rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.28);
  scroll-behavior: smooth;
}

.nexus-hilo-user,
.nexus-hilo-ia {
  margin: 0.5rem 0;
  padding: 0.8rem 1rem;
  border-radius: 14px;
  white-space: pre-wrap;
  line-height: 1.6;
  font-size: 1rem;
}

.nexus-hilo-user {
  background: rgba(158, 214, 255, 0.14);
  margin-left: 12%;
}

.nexus-hilo-ia {
  background: rgba(169, 112, 255, 0.16);
  margin-right: 8%;
}

.nexus-hilo-firma {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff2bf;
  opacity: 0.85;
  margin-bottom: 0.35rem;
}

.nexus-hilo-escribiendo {
  font-style: italic;
  opacity: 0.88;
}

.nexus-composer textarea {
  min-height: 96px;
  margin-bottom: 0.55rem;
}

.nexus-composer .btn {
  margin-top: 0;
}

.nexus-salon-nota {
  font-size: 0.8rem;
  color: #a8b4c8;
  margin: 0;
  line-height: 1.45;
}

@media (max-width: 680px) {
  .nexus-hilo {
    min-height: 38vh;
    max-height: 52vh;
  }
  .nexus-hilo-user { margin-left: 6%; }
  .nexus-hilo-ia { margin-right: 4%; }
}