/* ═══════════════════════════════════════════════════════════
   CHATBOT.CSS — Bot "Esperanza"
   ═══════════════════════════════════════════════════════════ */

/* ── Contenedor flotante ────────────────────────────────── */
#chatbot {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
}

/* ── Preview bubble ─────────────────────────────────────── */
.chat-preview-bubble {
  background: var(--blanco);
  border-radius: 18px 18px 0 18px;
  padding: 0.75rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--negro);
  box-shadow: var(--sombra-md);
  max-width: 220px;
  border: 2px solid var(--rojo);
  position: relative;
  animation: previewIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  cursor: pointer;
}

@keyframes previewIn {
  from { opacity: 0; transform: scale(0.7) translateY(10px); }
  to   { opacity: 1; transform: none; }
}

.chat-preview-bubble.is-hidden {
  animation: previewOut 0.3s var(--ease) forwards;
  pointer-events: none;
}

@keyframes previewOut {
  to { opacity: 0; transform: scale(0.8) translateY(6px); }
}

/* ── Botón de abrir/cerrar ──────────────────────────────── */
.chat-toggle-btn {
  width: 62px;
  height: 62px;
  border-radius: 20px;
  background: linear-gradient(140deg, var(--rojo), var(--rojo-oscuro));
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 28px rgba(214,32,39,0.52);
  transition: var(--trans);
  position: relative;
  flex-shrink: 0;
}

.chat-toggle-btn:hover {
  transform: scale(1.08) rotate(-4deg);
  box-shadow: 0 10px 36px rgba(214,32,39,0.65);
}

.chat-toggle-btn svg {
  width: 28px;
  height: 28px;
  transition: var(--trans);
}

.chat-toggle-btn .ico-open  { display: block; }
.chat-toggle-btn .ico-close { display: none; }

.chat-toggle-btn.is-open .ico-open  { display: none; }
.chat-toggle-btn.is-open .ico-close { display: block; }

/* Badge de notificación */
.chat-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--oro);
  border: 2px solid var(--blanco);
  animation: badgePulse 3s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 60%, 100% { transform: scale(1); }
  30% { transform: scale(1.3); }
}

/* ── Ventana del chat ───────────────────────────────────── */
.chat-window {
  width: 360px;
  max-height: 530px;
  background: var(--blanco);
  border-radius: 24px;
  box-shadow: 0 24px 70px rgba(0,0,0,0.22);
  display: none;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--gris-100);
  transform-origin: bottom right;
}

.chat-window.is-open {
  display: flex;
  animation: chatWindowIn 0.38s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes chatWindowIn {
  from { opacity: 0; transform: scale(0.7) translateY(20px); }
  to   { opacity: 1; transform: none; }
}

/* Header del chat */
.chat-header {
  background: linear-gradient(135deg, var(--rojo), var(--rojo-oscuro));
  padding: 1rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-shrink: 0;
}

.chat-avatar {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  border: 2px solid rgba(255,255,255,0.25);
}

.chat-header-info { flex: 1; }

.chat-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: white;
  display: block;
}

.chat-status {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.75);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.1rem;
}

.chat-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4ade80;
  animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74,222,128,0.5); }
  50%       { box-shadow: 0 0 0 5px rgba(74,222,128,0); }
}

/* Área de mensajes */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  background: #f9f8f7;
  min-height: 200px;
}

.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--gris-100); }

/* Mensajes */
.msg {
  max-width: 80%;
  animation: msgIn 0.28s var(--ease) both;
}

@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px) scale(0.96); }
  to   { opacity: 1; transform: none; }
}

.msg-bot {
  align-self: flex-start;
  display: flex;
  gap: 0.5rem;
  align-items: flex-end;
}

.msg-bot-avatar {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--rojo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  color: white;
}

.msg-bubble {
  padding: 0.65rem 0.95rem;
  border-radius: 4px 16px 16px 16px;
  font-size: 0.86rem;
  line-height: 1.55;
  position: relative;
}

.msg-bubble a { color: var(--rojo); font-weight: 700; }

.msg-bot .msg-bubble {
  background: var(--blanco);
  color: var(--negro);
  box-shadow: var(--sombra-xs);
  border: 1px solid var(--gris-100);
}

.msg-user {
  align-self: flex-end;
}

.msg-user .msg-bubble {
  background: linear-gradient(135deg, var(--rojo), var(--rojo-oscuro));
  color: white;
  border-radius: 16px 4px 16px 16px;
  box-shadow: 0 3px 12px rgba(214,32,39,0.28);
}

/* Typing indicator */
.msg-typing .msg-bubble {
  padding: 0.7rem 1rem;
}

.typing-dots {
  display: flex;
  gap: 4px;
  align-items: center;
}

.typing-dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gris-300);
  animation: typingDot 1.4s ease-in-out infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.22s; }
.typing-dots span:nth-child(3) { animation-delay: 0.44s; }

@keyframes typingDot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30%            { transform: translateY(-7px); opacity: 1; }
}

/* Botones rápidos */
.chat-quick-btns {
  padding: 0.7rem 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  border-top: 1px solid var(--gris-100);
  background: var(--blanco);
  flex-shrink: 0;
}

.quick-btn {
  padding: 0.3rem 0.75rem;
  background: var(--crema);
  border: 1px solid var(--gris-100);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gris-700);
  cursor: pointer;
  transition: var(--trans);
  font-family: var(--font-sans);
}

.quick-btn:hover {
  background: var(--rojo);
  color: white;
  border-color: var(--rojo);
  transform: translateY(-2px);
}

/* Input area */
.chat-input-row {
  display: flex;
  gap: 0.5rem;
  padding: 0.8rem;
  background: var(--blanco);
  border-top: 1px solid var(--gris-100);
  flex-shrink: 0;
  align-items: center;
}

.chat-input {
  flex: 1;
  background: var(--crema);
  border: 2px solid var(--gris-100);
  border-radius: 100px;
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
  color: var(--negro);
}

.chat-input:focus {
  border-color: var(--rojo);
  background: white;
}

.chat-input::placeholder { color: var(--gris-300); }

.chat-send-btn {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--rojo);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--trans);
  flex-shrink: 0;
}

.chat-send-btn:hover {
  background: var(--rojo-oscuro);
  transform: scale(1.08);
}

.chat-send-btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: white;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 480px) {
  .chat-window { width: calc(100vw - 2rem); }
  #chatbot { right: 1rem; bottom: 1rem; }
}