/* ==========================================================
   Chat flotante de preguntas frecuentes
   ========================================================== */

#faq-chat {
  position: fixed;
  right: clamp(12px, 3vw, 28px);
  bottom: calc(clamp(12px, 3vw, 28px) + env(safe-area-inset-bottom, 0px));
  z-index: 60;
  display: grid;
  justify-items: end;
  gap: 0.8rem;
}

/* ---------- Lanzador ---------- */
.chat-lanzador {
  order: 2;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}
.chat-lanzador__boton {
  position: relative;
  display: grid;
  place-items: center;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--primary-ink);
  box-shadow: var(--shadow-lg);
  transition: transform .2s, background-color .2s;
}
.chat-lanzador:hover .chat-lanzador__boton { transform: scale(1.06); background: var(--primary-hover); }
.chat-lanzador__boton .ico { width: 26px; height: 26px; position: absolute; transition: opacity .2s, transform .25s; }
.chat-lanzador .ico-cerrar { opacity: 0; transform: rotate(-90deg); }
.is-open .chat-lanzador .ico-abrir { opacity: 0; transform: rotate(90deg); }
.is-open .chat-lanzador .ico-cerrar { opacity: 1; transform: none; }
.chat-lanzador__boton::after {
  content: "";
  position: absolute; top: 3px; right: 3px;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
}
.is-open .chat-lanzador__boton::after { display: none; }

.chat-lanzador__burbuja {
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: var(--shadow);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(8px);
  pointer-events: none;
  transition: opacity .3s, transform .3s;
}
.invita:not(.is-open) .chat-lanzador__burbuja { opacity: 1; transform: none; }

/* ---------- Panel ---------- */
.chat {
  order: 1;
  width: min(380px, calc(100vw - 24px));
  height: min(560px, calc(100dvh - 120px));
  display: grid;
  grid-template-rows: auto 1fr auto;
  border-radius: 20px;
  background: var(--bg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform-origin: bottom right;
  animation: chat-entra .22s cubic-bezier(.2,.7,.2,1);
}
@keyframes chat-entra { from { opacity: 0; transform: translateY(10px) scale(.97); } }

.chat__cabecera {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 0.9rem 0.9rem 1rem;
  background: var(--primary);
  color: var(--primary-ink);
}
.chat__avatar {
  display: grid; place-items: center;
  width: 40px; height: 40px; flex: none;
  border-radius: 12px;
  background: var(--marino);
  overflow: hidden;
}
.chat__logo { width: 100%; height: 100%; object-fit: cover; }
.chat__cabecera > div { flex: 1; min-width: 0; }
.chat__titulo { font-size: 1.05rem; letter-spacing: -0.01em; }
.chat__estado { font-size: 0.8rem; opacity: 0.85; display: flex; align-items: center; gap: 0.35rem; }
.chat__estado::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.chat__cerrar {
  display: grid; place-items: center;
  width: 38px; height: 38px;
  border: 0; border-radius: 10px;
  background: transparent; color: inherit; cursor: pointer;
}
.chat__cerrar:hover { background: color-mix(in srgb, var(--primary-ink) 15%, transparent); }

.chat__mensajes {
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.msg {
  max-width: 86%;
  padding: 0.65rem 0.9rem;
  border-radius: 16px;
  font-size: 0.95rem;
  line-height: 1.5;
  animation: msg-entra .2s ease-out;
}
@keyframes msg-entra { from { opacity: 0; transform: translateY(6px); } }
.msg--bot { align-self: flex-start; background: var(--surface); border-bottom-left-radius: 5px; box-shadow: 0 1px 1px rgb(0 0 0 / .04); }
.msg--yo { align-self: flex-end; background: var(--primary); color: var(--primary-ink); border-bottom-right-radius: 5px; font-weight: 600; }

.msg__acciones { display: grid; gap: 0.4rem; margin-top: 0.7rem; }
.msg__accion {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.55rem 0.8rem;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
}
.msg__accion:hover { filter: brightness(0.97); }
.msg__accion--wa { background: var(--wa); color: #fff; }
.msg__accion .ico { width: 1.1rem; height: 1.1rem; }

.puntos { display: inline-flex; gap: 4px; padding: 4px 2px; }
.puntos i { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-soft); animation: punto 1s infinite ease-in-out; }
.puntos i:nth-child(2) { animation-delay: .15s; }
.puntos i:nth-child(3) { animation-delay: .3s; }
@keyframes punto { 0%, 60%, 100% { opacity: .3; transform: none; } 30% { opacity: 1; transform: translateY(-3px); } }

.chat__pie { padding: 0.75rem 1rem 0.8rem; border-top: 1px solid var(--line); background: var(--surface); }
.chat__opciones {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  max-height: 168px;
  overflow-y: auto;
}
.chip {
  padding: 0.5rem 0.85rem;
  border: 1.5px solid var(--primary);
  border-radius: 999px;
  background: var(--surface);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.88rem;
  text-align: left;
  cursor: pointer;
  transition: background-color .15s, color .15s;
}
.chip:hover { background: var(--primary); color: var(--primary-ink); }
.chip--sec { border-color: var(--line); color: var(--ink-soft); }
.chip--sec:hover { background: var(--surface-2); color: var(--ink); }
.chat__aviso { margin-top: 0.6rem; font-size: 0.74rem; color: var(--ink-soft); text-align: center; }

@media (max-width: 520px) {
  #faq-chat.is-open { left: 12px; }
  .chat { width: 100%; height: min(600px, calc(100dvh - 110px)); }
  .chat-lanzador__boton { width: 56px; height: 56px; }
}