/* ===========================================================
   SEDA — demos de chat (asesor de tallas y bot de contacto)
   =========================================================== */

.demo-marco {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--e4);
  align-items: center;
}

.demo-texto .dato { margin-bottom: var(--e2); }
.demo-texto h2 { margin-bottom: var(--e2); }
.demo-texto p + p { margin-top: var(--e2); }

/* ===========================================================
   El teléfono
   =========================================================== */

.chat {
  width: 100%;
  max-width: 380px;
  margin-inline: auto;
  border: 1px solid rgba(238, 229, 209, 0.16);
  border-radius: 22px;
  overflow: hidden;
  background: rgba(0, 16, 24, 0.72);
  backdrop-filter: blur(14px);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.85);
}

.chat-barra {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid rgba(238, 229, 209, 0.1);
  background: rgba(0, 20, 28, 0.6);
}

.chat-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, var(--oro), rgba(120, 90, 190, 0.9));
  color: var(--tinta);
  font-family: var(--fuente-dato);
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* el avatar de SEDA: la S de la marca */
.chat-avatar-seda {
  background: var(--tinta);
  border: 1px solid var(--oro-suave);
  color: var(--crema);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.15rem;
  font-weight: 400;
  padding-bottom: 2px;
}

.chat-quien { display: flex; flex-direction: column; line-height: 1.3; }
.chat-quien strong { font-size: 0.92rem; font-weight: 400; }
.chat-quien span {
  font-family: var(--fuente-dato);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--oro);
}

.chat-hilo {
  height: 400px;
  overflow-y: auto;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  scroll-behavior: smooth;
}

.chat-hilo::-webkit-scrollbar { width: 4px; }
.chat-hilo::-webkit-scrollbar-thumb {
  background: rgba(238, 229, 209, 0.16);
  border-radius: 4px;
}

/* ===========================================================
   Mensajes
   =========================================================== */

.chat-msj {
  max-width: 82%;
  padding: 0.7rem 0.95rem;
  border-radius: 16px;
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: pre-line;
  animation: chatEntra 0.35s var(--curva) both;
}

@keyframes chatEntra {
  from { opacity: 0; transform: translateY(8px) scale(0.97); }
  to   { opacity: 1; transform: none; }
}

.chat-bot {
  align-self: flex-start;
  background: rgba(238, 229, 209, 0.09);
  border-bottom-left-radius: 5px;
}

.chat-yo {
  align-self: flex-end;
  background: var(--oro);
  color: var(--tinta);
  border-bottom-right-radius: 5px;
  font-family: var(--fuente-dato);
  font-size: 0.86rem;
}

/* los tres puntitos de "escribiendo" */
.chat-escribiendo { display: flex; gap: 4px; padding: 0.85rem 1rem; }
.chat-escribiendo span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--crema-tenue);
  animation: chatPunto 1.3s infinite;
}
.chat-escribiendo span:nth-child(2) { animation-delay: 0.18s; }
.chat-escribiendo span:nth-child(3) { animation-delay: 0.36s; }

@keyframes chatPunto {
  0%, 60%, 100% { opacity: 0.25; transform: translateY(0); }
  30%           { opacity: 1;    transform: translateY(-4px); }
}

/* ===========================================================
   Botón de acción dentro del chat
   =========================================================== */

.chat-accion {
  align-self: flex-start;
  max-width: 82%;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1.3rem;
  border-radius: 16px;
  border-bottom-left-radius: 5px;
  background: var(--oro);
  color: var(--tinta);
  font-family: var(--fuente-dato);
  font-size: 0.84rem;
  letter-spacing: 0.06em;
  animation: chatEntra 0.4s var(--curva) both;
  transition: transform var(--rapido) var(--curva),
              box-shadow var(--rapido) var(--curva);
}

.chat-accion::after { content: '↗'; font-size: 0.95rem; }

.chat-accion:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -8px rgba(212, 180, 131, 0.6);
}

/* ===========================================================
   Barra de escritura
   =========================================================== */

.chat-forma {
  display: flex;
  gap: 0.5rem;
  padding: 0.8rem;
  border-top: 1px solid rgba(238, 229, 209, 0.1);
  background: rgba(0, 20, 28, 0.5);
}

.chat-campo {
  flex: 1;
  min-width: 0;
  background: rgba(238, 229, 209, 0.07);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.65rem 1rem;
  font-family: var(--fuente-dato);
  font-size: 0.88rem;
  color: var(--crema);
  outline: none;
  transition: border-color var(--rapido) var(--curva);
}

.chat-campo::placeholder { color: rgba(238, 229, 209, 0.35); }
.chat-campo:focus { border-color: var(--oro-suave); }

.chat-enviar {
  width: 40px; height: 40px;
  flex-shrink: 0;
  border: 0;
  border-radius: 50%;
  background: var(--oro);
  color: var(--tinta);
  font-size: 1rem;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform var(--rapido) var(--curva);
}

.chat-enviar:hover { transform: scale(1.08); }

.chat.terminado .chat-forma { opacity: 0.35; pointer-events: none; }

/* ===========================================================
   Pie del demo
   =========================================================== */

.chat-reiniciar {
  display: block;
  width: 100%;
  max-width: 380px;
  margin: var(--e2) auto 0;
  background: transparent;
  border: 1px solid var(--linea);
  border-radius: 999px;
  padding: 0.6rem;
  font-family: var(--fuente-dato);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--crema-tenue);
  cursor: pointer;
  transition: color var(--rapido) var(--curva), border-color var(--rapido) var(--curva);
}

.chat-reiniciar:hover { color: var(--crema); border-color: var(--crema-tenue); }

.nota-demo {
  font-family: var(--fuente-dato);
  font-size: 0.74rem;
  line-height: 1.8;
  color: var(--crema-tenue);
  margin-top: var(--e2);
  text-align: center;
  max-width: 380px;
  margin-inline: auto;
}

@media (max-width: 900px) {
  .demo-marco { grid-template-columns: 1fr; gap: var(--e3); }
}