/* ════════════════════════════════════════════════════════════════
   Asistente virtual (sumiller con IA) · Carta de Vinos
   Botón flotante (FAB) + panel de chat. Hereda los tokens de color y
   tipografía de styles.css. Pensado para móvil/tablet/PC.
   ════════════════════════════════════════════════════════════════ */

.va {
  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 1040;
  font-family: var(--font-sans);
}

/* ───────────── Botón flotante ───────────── */
.va__fab {
  position: relative;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.14);
  background: #160b12;
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 10px 26px rgba(0,0,0,0.45), 0 0 0 0 rgba(233,30,140,0.5);
  transition: transform .2s ease, box-shadow .2s ease;
}
.va__fab:hover { transform: translateY(-2px) scale(1.04); }
.va__fab:active { transform: scale(0.97); }
.va__fab-img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  -webkit-user-drag: none;
}
/* Anillo de atención (pulso) cuando el asistente reclama atención */
.va__fab-pulse {
  position: absolute; inset: -2px;
  border-radius: 50%;
  pointer-events: none;
}
.va.is-calling .va__fab-pulse {
  animation: va-pulse 1.8s ease-out infinite;
}
@keyframes va-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(233,30,140,0.55); }
  70%  { box-shadow: 0 0 0 16px rgba(233,30,140,0); }
  100% { box-shadow: 0 0 0 0 rgba(233,30,140,0); }
}
/* El FAB se oculta mientras el panel está abierto */
.va.is-open .va__fab { opacity: 0; visibility: hidden; transform: scale(0.6); }

/* ───────────── Panel de chat ───────────── */
.va__panel {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(380px, calc(100vw - 36px));
  height: min(620px, calc(100dvh - 110px));
  display: flex;
  flex-direction: column;
  background: var(--color-bg, #0a0a0a);
  border: 1px solid var(--color-border, rgba(255,255,255,0.1));
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.6);
  transform-origin: bottom right;
  transform: translateY(16px) scale(0.92);
  opacity: 0;
  visibility: hidden;
  transition: transform .26s cubic-bezier(.2,.8,.2,1), opacity .26s ease, visibility .26s;
}
.va.is-open .va__panel { transform: none; opacity: 1; visibility: visible; }

/* Cabecera */
.va__head {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 12px 12px 14px;
  background: linear-gradient(135deg, rgba(233,30,140,0.16), rgba(199,125,255,0.08));
  border-bottom: 1px solid var(--color-border, rgba(255,255,255,0.1));
}
.va__avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid rgba(255,255,255,0.18);
  flex: 0 0 auto;
}
.va__head-info { display: flex; flex-direction: column; min-width: 0; margin-right: auto; }
.va__head-title {
  font-family: var(--font-serif, serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-fg-1, #fff);
  line-height: 1.1;
}
.va__head-sub {
  font-size: 11.5px;
  color: var(--color-fg-3, #9a9a9a);
  display: inline-flex; align-items: center; gap: 6px;
}
.va__head-sub::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: #34d399; box-shadow: 0 0 6px #34d399;
}
.va__close {
  flex: 0 0 auto;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--color-border, rgba(255,255,255,0.1));
  background: rgba(255,255,255,0.04);
  color: var(--color-fg-2, #ccc);
  font-size: 16px;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background .2s, color .2s;
}
.va__close:hover { background: rgba(255,255,255,0.1); color: var(--color-fg-1, #fff); }

/* Zona de mensajes */
.va__msgs {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 14px 12px 6px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scrollbar-width: thin;
}
.va__msgs::-webkit-scrollbar { width: 7px; }
.va__msgs::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 4px; }

.va-msg {
  max-width: 86%;
  padding: 9px 13px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: anywhere;
}
.va-msg--bot {
  align-self: flex-start;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border, rgba(255,255,255,0.08));
  color: var(--color-fg-1, #f2f2f2);
  border-bottom-left-radius: 5px;
}
.va-msg--user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--color-primary, #e91e8c), #b3156f);
  color: #fff;
  border-bottom-right-radius: 5px;
}
.va-msg--user .va-msg__img {
  display: block;
  max-width: 100%;
  max-height: 220px;
  border-radius: 10px;
  margin-bottom: 6px;
}
.va-wine-ref { font-weight: 600; color: var(--color-primary-light, #f48fb1); }
.va-msg--user .va-wine-ref { color: #fff; text-decoration: underline; }

/* Indicador de "escribiendo" */
.va-typing { display: inline-flex; gap: 4px; align-items: center; padding: 4px 2px; }
.va-typing span {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--color-fg-3, #9a9a9a);
  animation: va-bounce 1.2s infinite ease-in-out;
}
.va-typing span:nth-child(2) { animation-delay: .18s; }
.va-typing span:nth-child(3) { animation-delay: .36s; }
@keyframes va-bounce { 0%,80%,100% { transform: translateY(0); opacity: .5; } 40% { transform: translateY(-5px); opacity: 1; } }

/* Tarjeta de vino dentro de la conversación */
.va-card {
  align-self: flex-start;
  width: 86%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border, rgba(255,255,255,0.1));
  border-radius: 16px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
}
.va-card__img {
  max-height: 180px;         /* foto compacta dentro del chat */
  max-width: 100%;
  width: auto;
  display: block;
  margin: 0 auto;            /* siempre centrada */
  object-fit: contain;
  filter: drop-shadow(0 10px 16px rgba(0,0,0,0.5));
}
.va-card__name {
  font-family: var(--font-serif, serif);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--color-fg-1, #fff);
  line-height: 1.2;
}
.va-card__name .va-card__vintage {
  font-style: italic; font-weight: 400;
  color: var(--color-primary-light, #f48fb1);
  font-size: 0.85em; margin-left: 4px;
}
.va-card__meta {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 5px 6px;
}
.va-card__tag {
  font-size: 11px;
  color: var(--color-fg-2, #ccc);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border, rgba(255,255,255,0.08));
  border-radius: 11px;
  padding: 3px 9px;
}
.va-card__price { font-size: 13px; color: var(--color-fg-2, #ccc); }
.va-card__price strong { color: var(--color-fg-1, #fff); }
.va-card__price .sep { margin: 0 7px; color: var(--color-fg-muted, #666); }

/* Sugerencias rápidas (chips) */
.va__sugs {
  flex: 0 0 auto;
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 0 12px 8px;
}
.va-sug {
  font-size: 12px;
  color: var(--color-primary-light, #f48fb1);
  background: rgba(233,30,140,0.10);
  border: 1px solid rgba(233,30,140,0.4);
  border-radius: 14px;
  padding: 5px 11px;
  cursor: pointer;
  transition: background .2s;
}
.va-sug:hover { background: rgba(233,30,140,0.2); }

/* Formulario de entrada */
.va__form {
  flex: 0 0 auto;
  border-top: 1px solid var(--color-border, rgba(255,255,255,0.1));
  padding: 10px 10px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255,255,255,0.02);
}
.va__form-row { display: flex; align-items: flex-end; gap: 8px; }
/* Honeypot: fuera de la vista pero presente en el DOM (los bots lo rellenan) */
.va__hp {
  position: absolute !important;
  left: -9999px; top: -9999px;
  width: 1px; height: 1px;
  opacity: 0; pointer-events: none;
}
.va__attach {
  flex: 0 0 auto;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border, rgba(255,255,255,0.1));
  background: rgba(255,255,255,0.04);
  color: var(--color-fg-2, #ccc);
  font-size: 17px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.va__attach:hover { background: rgba(233,30,140,0.12); border-color: rgba(233,30,140,0.4); color: var(--color-primary-light, #f48fb1); }
.va.is-locked .va__attach,
.va.is-locked .va__text,
.va.is-locked .va__send { opacity: .5; pointer-events: none; }
.va__text {
  flex: 1 1 auto;
  min-width: 0;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border, rgba(255,255,255,0.12));
  border-radius: 20px;
  color: var(--color-fg-1, #fff);
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 10px 14px;
  outline: none;
  transition: border-color .2s, background .2s;
}
.va__text:focus { border-color: rgba(233,30,140,0.5); background: rgba(233,30,140,0.06); }
.va__send {
  flex: 0 0 auto;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--color-primary, #e91e8c), #b3156f);
  color: #fff;
  font-size: 15px;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(233,30,140,0.4);
  transition: transform .15s, box-shadow .2s, opacity .2s;
}
.va__send:hover { transform: translateY(-1px); }
.va__send:disabled { opacity: .5; cursor: default; transform: none; }

/* Previsualización de imagen adjunta */
.va__preview {
  position: relative;
  display: inline-block;
  margin-bottom: 9px;
}
.va__preview img {
  max-height: 84px; max-width: 120px;
  border-radius: 10px;
  border: 1px solid var(--color-border, rgba(255,255,255,0.12));
  display: block;
}
.va__preview-x {
  position: absolute; top: -7px; right: -7px;
  width: 22px; height: 22px;
  border-radius: 50%;
  border: none;
  background: #1a1a1a;
  color: #fff;
  font-size: 12px;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.5);
}

/* Aviso de alcance bajo el primer saludo */
.va-disclaimer {
  align-self: center;
  text-align: center;
  font-size: 11px;
  color: var(--color-fg-muted, #777);
  padding: 0 18px;
  max-width: 92%;
}

/* ───────────── Móvil: panel a (casi) pantalla completa ───────────── */
@media (max-width: 520px) {
  .va { right: 14px; bottom: 14px; }
  .va__panel {
    width: calc(100vw - 20px);
    height: min(82dvh, calc(100dvh - 90px));
    border-radius: 18px;
  }
}

/* Con el asistente presente, el botón "volver arriba" (index.php) se coloca
   encima del FAB para no solaparse en la esquina inferior derecha. */
.to-top {
  bottom: calc(102px + env(safe-area-inset-bottom)) !important;
}
@media (max-width: 520px) {
  .to-top { bottom: calc(94px + env(safe-area-inset-bottom)) !important; }
}

@media (prefers-reduced-motion: reduce) {
  .va__fab, .va__panel, .va__send { transition: none; }
  .va.is-calling .va__fab-pulse,
  .va-typing span { animation: none; }
}