/* ═══════════════════════════════════════════════════════════════
   CHATBOT IA — Marmolería Benjamín
   Estilos coherentes con la identidad visual del sitio
   ═══════════════════════════════════════════════════════════════ */

/* ─── Variables heredadas del sitio ───
   --marble-white: #F5F3EE
   --marble-black: #111110
   --gold: #C8A45D
   --gold-deep: #A9833F
   --text: #2B2B27
   --text-inv: #F5F3EE
   --muted: #6E6C64
   --muted-inv: #A6A49B
   --border: rgba(17,17,16,.14)
   --border-inv: rgba(245,243,238,.16)
   --serif: 'Cormorant Garamond', Georgia, serif
   --roman: 'Cinzel', serif
   --sans: 'DM Sans', Helvetica, Arial, sans-serif
   --ease: cubic-bezier(.22,1,.36,1)
─── */

/* ═══ CONTENEDOR FLOTANTE DEL CHATBOT (BOTÓN + BURBUJA) ════════ */
.chatbot-float-wrap {
  position: fixed;
  bottom: clamp(1.2rem, 3vw, 2.2rem);
  right: clamp(4.6rem, 8vw, 6rem);
  z-index: 101;
  display: flex;
  align-items: center;
  gap: 12px;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(.9);
  transition: opacity .4s var(--ease), transform .4s var(--ease), visibility .4s;
}
.chatbot-float-wrap.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.chatbot-float-wrap.is-hidden {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transform: translateY(16px) scale(.9) !important;
}

/* ─── Burbuja de texto ("Hable con el Asesor de IA") ─── */
.chatbot-bubble {
  pointer-events: auto;
  position: relative;
  background: rgba(17,17,16,.92);
  color: var(--text-inv);
  border: 1px solid rgba(200,164,93,.55);
  padding: .55rem 1rem;
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  cursor: pointer;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
  white-space: nowrap;
  user-select: none;
  animation: floatBubble 3.5s ease-in-out infinite alternate;
}
@keyframes floatBubble {
  0% { transform: translateY(0); }
  100% { transform: translateY(-3px); }
}
.chatbot-bubble:hover {
  transform: translateY(-3px) scale(1.02);
  border-color: var(--gold);
  background: rgba(17,17,16,.98);
  box-shadow: 0 12px 28px rgba(0,0,0,.45);
}
.chatbot-bubble:active {
  transform: scale(.98);
}
.chatbot-bubble-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold);
  animation: pulseDot 2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: .65; }
}
.chatbot-bubble-text {
  font-family: var(--roman);
  font-size: .62rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--text-inv);
  transition: color .3s;
}
.chatbot-bubble:hover .chatbot-bubble-text {
  color: var(--gold);
}
/* Flecha/cola apuntando al botón */
.chatbot-bubble-tail {
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background: rgba(17,17,16,.92);
  border-right: 1px solid rgba(200,164,93,.55);
  border-top: 1px solid rgba(200,164,93,.55);
  transition: border-color .3s;
}
.chatbot-bubble:hover .chatbot-bubble-tail {
  border-right-color: var(--gold);
  border-top-color: var(--gold);
}

/* ─── Botón robot flotante ─── */
.chatbot-toggle {
  pointer-events: auto;
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: 0;
  background: var(--marble-black);
  color: var(--gold);
  border: 1px solid rgba(200,164,93,.55);
  display: grid;
  place-items: center;
  cursor: pointer;
  filter: drop-shadow(0 6px 18px rgba(0,0,0,.35));
  transition: transform .35s var(--ease), background .35s var(--ease),
              color .35s var(--ease), border-color .35s var(--ease);
  flex-shrink: 0;
  touch-action: manipulation;
}
.chatbot-toggle:hover {
  background: var(--gold);
  color: var(--marble-black);
  border-color: var(--gold);
  transform: translateY(-3px) scale(1.05);
  filter: drop-shadow(0 10px 24px rgba(0,0,0,.5));
}
.chatbot-toggle:active {
  transform: translateY(-1px) scale(.97);
}
.chatbot-toggle .chatbot-ico {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform .35s var(--ease);
}
.chatbot-toggle:hover .chatbot-ico {
  transform: scale(1.08);
}

/* ─── Adaptación mobile del botón flotante + burbuja ─── */
@media (max-width: 600px) {
  .chatbot-float-wrap {
    bottom: 1rem;
    right: 4.4rem; /* Al lado del botón de WhatsApp */
    gap: 8px;
  }
  .chatbot-bubble {
    padding: .4rem .65rem;
    gap: .45rem;
    max-width: 160px;
    box-shadow: 0 6px 16px rgba(0,0,0,.4);
  }
  .chatbot-bubble-text {
    font-size: .52rem;
    letter-spacing: .1em;
    line-height: 1.2;
    white-space: normal;
  }
  .chatbot-bubble-dot {
    width: 6px;
    height: 6px;
  }
  .chatbot-toggle {
    width: 44px;
    height: 44px;
  }
  .chatbot-toggle .chatbot-ico {
    width: 22px;
    height: 22px;
  }
}
@media (max-width: 380px) {
  .chatbot-bubble {
    max-width: 125px;
    padding: .35rem .5rem;
  }
  .chatbot-bubble-text {
    font-size: .48rem;
  }
}

/* Indicador de badge */
.chatbot-badge {
  position: absolute;
  top: -3px;
  right: -3px;
  width: 10px;
  height: 10px;
  background: var(--gold);
  border: 2px solid var(--marble-black);
  border-radius: 50%;
  opacity: 0;
  transition: opacity .3s;
}
.chatbot-toggle.has-badge .chatbot-badge {
  opacity: 1;
}

/* ═══ PANEL DEL CHATBOT ════════════════════════════════════════ */
.chatbot-panel {
  position: fixed;
  z-index: 200;
  display: flex;
  flex-direction: column;
  background: var(--marble-white);
  border: 1px solid rgba(200,164,93,.45);
  box-shadow: 0 24px 60px rgba(0,0,0,.28), 0 4px 16px rgba(0,0,0,.12);
  overflow: hidden;

  /* Animación */
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(.96);
  transition: opacity .4s var(--ease), visibility 0s .4s,
              transform .5s var(--ease);
}
.chatbot-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  transition: opacity .4s var(--ease), visibility 0s,
              transform .5s var(--ease);
}

/* Desktop: panel lateral en esquina inferior derecha */
@media (min-width: 641px) {
  .chatbot-panel {
    bottom: clamp(1.2rem, 3vw, 2.2rem);
    right: clamp(1.2rem, 3vw, 2.2rem);
    width: 420px;
    max-width: calc(100vw - 2rem);
    height: 600px;
    max-height: calc(100vh - 5rem);
    border-radius: 10px;
  }
}

/* Mobile: Ventana modal más amplia, cómoda de leer y pegada a la derecha */
@media (max-width: 640px) {
  .chatbot-panel {
    top: auto;
    bottom: 0.85rem;
    right: 0.75rem;
    left: auto;
    margin: 0;
    width: calc(100vw - 1.5rem);
    max-width: 410px;
    height: min(78vh, 570px);
    max-height: 82vh;
    border: 1px solid rgba(200,164,93,.65);
    border-radius: 14px;
    box-shadow: 0 20px 50px rgba(0,0,0,.5);
    font-size: 15px;
  }
}

/* ─── Header del chat ─── */
.chatbot-header {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: .9rem 1.1rem;
  background: var(--marble-black);
  color: var(--text-inv);
  border-bottom: 1px solid rgba(200,164,93,.4);
  flex-shrink: 0;
}
@media (max-width: 640px) {
  .chatbot-header {
    padding: .75rem 1rem;
    gap: .75rem;
  }
}
.chatbot-avatar {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(200,164,93,.5);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  background: rgba(200,164,93,.12);
}
.chatbot-avatar .chatbot-ico {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.chatbot-header-info {
  flex: 1;
  min-width: 0;
}
.chatbot-header-name {
  font-family: var(--roman);
  font-size: .68rem;
  letter-spacing: .22em;
  font-weight: 500;
  line-height: 1.3;
}
.chatbot-header-status {
  font-family: var(--sans);
  font-size: .72rem;
  color: var(--muted-inv);
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: .45rem;
}
.chatbot-status-dot {
  width: 6px;
  height: 6px;
  background: #5cb85c;
  border-radius: 50%;
  flex-shrink: 0;
}
.chatbot-close {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  color: var(--muted-inv);
  cursor: pointer;
  border: 1px solid transparent;
  background: none;
  transition: color .3s, border-color .3s, transform .2s;
  flex-shrink: 0;
}
.chatbot-close:hover {
  color: var(--gold);
  border-color: rgba(200,164,93,.4);
}
.chatbot-close:active {
  transform: scale(.92);
}
.chatbot-close .chatbot-ico {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ─── Área de mensajes ─── */
.chatbot-messages {
  position: relative;
  flex: 1;
  overflow-y: auto;
  padding: 1.2rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .8rem;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: rgba(200,164,93,.3) transparent;
}
.chatbot-messages::-webkit-scrollbar {
  width: 4px;
}
.chatbot-messages::-webkit-scrollbar-track {
  background: transparent;
}
.chatbot-messages::-webkit-scrollbar-thumb {
  background: rgba(200,164,93,.3);
  border-radius: 2px;
}

/* ─── Burbuja de mensaje ─── */
.chatbot-msg {
  max-width: 90%;
  padding: .85rem 1.05rem;
  font-family: var(--sans);
  font-size: .94rem;
  line-height: 1.6;
  animation: chatMsgIn .4s var(--ease) both;
  word-break: break-word;
}
@keyframes chatMsgIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Bot */
.chatbot-msg--bot {
  align-self: flex-start;
  background: rgba(17,17,16,.05);
  border: 1px solid var(--border);
  color: var(--text);
  border-top-left-radius: 0;
}
.chatbot-msg--bot a {
  color: var(--gold-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color .3s;
}
.chatbot-msg--bot a:hover {
  color: var(--gold);
}

/* Usuario */
.chatbot-msg--user {
  align-self: flex-end;
  background: var(--marble-black);
  color: var(--text-inv);
  border: 1px solid rgba(200,164,93,.3);
  border-top-right-radius: 0;
}

/* Error */
.chatbot-msg--error {
  align-self: flex-start;
  background: rgba(200,80,60,.08);
  border: 1px solid rgba(200,80,60,.2);
  color: var(--text);
  font-size: .82rem;
}
.chatbot-msg--error a {
  color: var(--gold-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ─── Indicador de "escribiendo..." ─── */
.chatbot-typing {
  align-self: flex-start;
  display: none;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1rem;
  background: rgba(17,17,16,.05);
  border: 1px solid var(--border);
  font-family: var(--sans);
  font-size: .78rem;
  color: var(--muted);
  animation: chatMsgIn .3s var(--ease) both;
}
.chatbot-typing.is-active {
  display: inline-flex;
}
.chatbot-typing-dots {
  display: flex;
  gap: 3px;
}
.chatbot-typing-dots span {
  width: 5px;
  height: 5px;
  background: var(--gold);
  border-radius: 50%;
  animation: typingBounce 1.2s ease-in-out infinite;
}
.chatbot-typing-dots span:nth-child(2) { animation-delay: .15s; }
.chatbot-typing-dots span:nth-child(3) { animation-delay: .3s; }
@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: .4; }
  30% { transform: translateY(-5px); opacity: 1; }
}

/* ─── Botones rápidos ─── */
.chatbot-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  padding: 0 1rem;
  margin-bottom: .3rem;
  animation: chatMsgIn .5s var(--ease) .15s both;
}
.chatbot-quick-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem .85rem;
  font-family: var(--roman);
  font-size: .58rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold-deep);
  background: transparent;
  border: 1px solid rgba(200,164,93,.45);
  cursor: pointer;
  white-space: nowrap;
  transition: background .3s var(--ease), color .3s var(--ease),
              border-color .3s var(--ease), transform .2s;
}
.chatbot-quick-btn:hover {
  background: var(--gold);
  color: var(--marble-black);
  border-color: var(--gold);
}
.chatbot-quick-btn:active {
  transform: scale(.96);
}
.chatbot-quick-btn .chatbot-ico {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

/* ─── Input del chat ─── */
.chatbot-input-area {
  display: flex;
  align-items: flex-end;
  gap: .5rem;
  padding: .85rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--marble-white);
  flex-shrink: 0;
}
.chatbot-input {
  flex: 1;
  min-height: 42px;
  max-height: 100px;
  padding: .6rem .9rem;
  font-family: var(--sans);
  font-size: 16px; /* 16px exactos previene el auto-zoom de iOS Safari y Chrome Mobile */
  line-height: 1.45;
  color: var(--text);
  background: rgba(17,17,16,.04);
  border: 1px solid var(--border);
  outline: none;
  resize: none;
  -webkit-text-size-adjust: 100%;
  touch-action: manipulation;
  transition: border-color .3s;
}
.chatbot-input::placeholder {
  color: var(--muted);
  font-size: .84rem;
}
.chatbot-input:focus {
  border-color: var(--gold);
}
.chatbot-send {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--marble-black);
  color: var(--gold);
  border: 1px solid rgba(200,164,93,.4);
  cursor: pointer;
  flex-shrink: 0;
  touch-action: manipulation;
  transition: background .3s var(--ease), color .3s, transform .2s;
}
.chatbot-send:hover {
  background: var(--gold);
  color: var(--marble-black);
}
.chatbot-send:active {
  transform: scale(.93);
}
.chatbot-send:disabled {
  opacity: .4;
  pointer-events: none;
}
.chatbot-send .chatbot-ico {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ─── Footer del chat ─── */
.chatbot-footer {
  padding: .4rem 1rem .5rem;
  text-align: center;
  font-family: var(--roman);
  font-size: .5rem;
  letter-spacing: .22em;
  color: var(--muted);
  border-top: 1px solid rgba(17,17,16,.06);
  flex-shrink: 0;
}

/* ─── Ajustes compactos para pantallas móviles ─── */
@media (max-width: 640px) {
  .chatbot-messages {
    padding: .85rem .75rem;
    gap: .65rem;
  }
  .chatbot-msg {
    max-width: 93%;
    padding: .75rem .95rem;
    font-size: .91rem;
    line-height: 1.55;
  }
  .chatbot-quick-actions {
    padding: 0 .75rem;
    gap: .35rem;
  }
  .chatbot-quick-btn {
    padding: .38rem .65rem;
    font-size: .52rem;
  }
  .chatbot-input-area {
    padding: .6rem .75rem;
    padding-bottom: max(.6rem, env(safe-area-inset-bottom, .6rem));
    gap: .4rem;
  }
  .chatbot-input {
    min-height: 40px;
    font-size: 16px !important; /* Regla definitiva contra auto-zoom */
    padding: .5rem .75rem;
  }
  .chatbot-send {
    width: 40px;
    height: 40px;
  }
  .chatbot-footer {
    padding: .25rem .75rem max(.35rem, env(safe-area-inset-bottom, .35rem));
    font-size: .46rem;
  }
}

/* ─── Scrim (mobile overlay) ─── */
.chatbot-scrim {
  position: fixed;
  inset: 0;
  z-index: 199;
  background: rgba(17,17,16,.6);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s var(--ease), visibility 0s .35s;
}
.chatbot-scrim.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity .35s var(--ease), visibility 0s;
}
@media (min-width: 641px) {
  .chatbot-scrim { display: none; }
}

/* ─── Reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
  .chatbot-panel,
  .chatbot-toggle,
  .chatbot-msg,
  .chatbot-typing,
  .chatbot-quick-actions {
    animation: none !important;
    transition-duration: .01ms !important;
  }
  .chatbot-typing-dots span {
    animation: none !important;
    opacity: 1;
  }
}