/* Botón flotante de WhatsApp (todas las páginas). Lo arma js/wa-float.js.
   Usa los tokens de css/paleta.css, así sigue el modo claro/oscuro. */

.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 999;
  display: flex; flex-direction: column; align-items: flex-end; gap: 12px;
  /* la caja ocupa el ancho del globito aunque esté cerrado: que no tape
     los clicks de lo que hay debajo (ej. "Volver arriba" del footer) */
  pointer-events: none;
}
.wa-float__btn { pointer-events: auto; }
.wa-float__btn {
  position: relative;
  display: grid; place-items: center;
  width: 62px; height: 62px;
  border-radius: 50%;
  background: var(--color-accent); color: var(--color-on-accent);
  box-shadow: 0 12px 30px -8px color-mix(in srgb, var(--color-accent) 55%, transparent), 0 4px 12px var(--shadow-color);
  transition: transform .25s cubic-bezier(.2,.7,.2,1), background .25s;
}
.wa-float__btn svg { width: 32px; height: 32px; }
.wa-float__btn:hover { transform: scale(1.08); background: var(--color-accent-hover); }
.wa-float__btn:active { background: var(--color-accent-active); }
.wa-float__btn:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.wa-float__btn::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid var(--color-accent);
  animation: waPulse 2.4s ease-out infinite;
}
@keyframes waPulse { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(1.6); opacity: 0; } }
.wa-float__dot {
  position: absolute; top: 3px; right: 3px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--color-text); border: 2px solid var(--color-bg);
}
.wa-float.is-read .wa-float__dot { display: none; }

.wa-float__bubble {
  position: relative;
  display: flex; flex-direction: column; gap: 4px;
  max-width: 260px;
  padding: 14px 36px 14px 16px;
  background: var(--color-surface); color: var(--color-text);
  border: 1px solid var(--color-border-soft);
  border-radius: 16px 16px 4px 16px;
  font-size: 13.5px; line-height: 1.45;
  box-shadow: 0 16px 40px -12px var(--shadow-color);
  cursor: pointer;
  opacity: 0; transform: translateY(10px) scale(.96); transform-origin: bottom right;
  pointer-events: none;
  transition: opacity .35s, transform .35s cubic-bezier(.2,.7,.2,1);
}
.wa-float__bubble span { color: var(--color-text-muted); }
.wa-float__bubble strong { font-size: 14.5px; }
.wa-float.is-open .wa-float__bubble { opacity: 1; transform: none; pointer-events: auto; }
.wa-float__close {
  position: absolute; top: 6px; right: 8px;
  width: 24px; height: 24px;
  border: 0; background: none; cursor: pointer;
  font-size: 18px; line-height: 1; color: var(--color-text-muted);
}
.wa-float__close:hover { color: var(--color-accent-text); }

/* Celular: arriba de la barra de pestañas inferior */
@media (max-width: 767px) {
  .wa-float { right: 14px; bottom: calc(var(--app-tab-h, 68px) + var(--app-safe-bottom, 0px) + 24px); }
  .wa-float__btn { width: 56px; height: 56px; }
}
@media (prefers-reduced-motion: reduce) {
  .wa-float__btn::before { animation: none; }
}