/* Floating social FAB — glued to viewport bottom-right corner */
.kb-social-fab {
  --kb-fab-size: 3.15rem;
  --kb-fab-gap: 0.75rem;
  --kb-fab-inset: 1.25rem;

  position: fixed !important;
  z-index: 9990 !important;
  display: flex !important;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: var(--kb-fab-gap);
  width: var(--kb-fab-size);
  margin: 0 !important;
  padding: 0 !important;
  pointer-events: none;
  transform: none !important;
  inset: auto !important;

  /* True viewport corner — not 100vw/left math */
  top: auto !important;
  left: auto !important;
  right: max(var(--kb-fab-inset), env(safe-area-inset-right, 0px)) !important;
  bottom: max(var(--kb-fab-inset), env(safe-area-inset-bottom, 0px)) !important;
}

.kb-social-fab__btn {
  position: relative;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  width: var(--kb-fab-size);
  height: var(--kb-fab-size);
  flex: 0 0 var(--kb-fab-size);
  border-radius: 9999px;
  border: 0;
  color: #fff;
  text-decoration: none;
  pointer-events: auto;
  -webkit-tap-highlight-color: transparent;
  box-shadow:
    0 8px 18px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.12) inset;
  transition:
    transform 0.22s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.22s ease,
    filter 0.22s ease;
}

.kb-social-fab__btn:hover,
.kb-social-fab__btn:focus-visible {
  transform: scale(1.1);
  filter: brightness(1.08);
  outline: none;
}

.kb-social-fab__btn:focus-visible {
  box-shadow:
    0 10px 22px rgba(0, 0, 0, 0.4),
    0 0 0 3px rgba(255, 255, 255, 0.35);
}

.kb-social-fab__icon {
  position: relative;
  z-index: 1;
  width: 1.28rem;
  height: 1.28rem;
  display: block;
  flex-shrink: 0;
}

.kb-social-fab__aura {
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  pointer-events: none;
  z-index: 0;
  opacity: 0.75;
  animation: kb-social-fab-pulse 2.4s ease-in-out infinite;
}

.kb-social-fab__btn--instagram {
  background: radial-gradient(circle at 30% 110%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285aeb 90%);
  background-color: #e4405f;
}
.kb-social-fab__btn--instagram .kb-social-fab__aura { color: #e4405f; }
.kb-social-fab__btn--instagram:hover,
.kb-social-fab__btn--instagram:focus-visible {
  box-shadow:
    0 10px 24px rgba(228, 64, 95, 0.45),
    0 0 18px rgba(214, 36, 159, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.18) inset;
}

.kb-social-fab__btn--discord { background: #5865f2; }
.kb-social-fab__btn--discord .kb-social-fab__aura { color: #5865f2; }
.kb-social-fab__btn--discord:hover,
.kb-social-fab__btn--discord:focus-visible {
  box-shadow:
    0 10px 24px rgba(88, 101, 242, 0.5),
    0 0 18px rgba(88, 101, 242, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.18) inset;
}

.kb-social-fab__btn--whatsapp { background: #25d366; }
.kb-social-fab__btn--whatsapp .kb-social-fab__aura { color: #25d366; }
.kb-social-fab__btn--whatsapp:hover,
.kb-social-fab__btn--whatsapp:focus-visible {
  box-shadow:
    0 10px 24px rgba(37, 211, 102, 0.45),
    0 0 18px rgba(37, 211, 102, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.18) inset;
}

@keyframes kb-social-fab-pulse {
  0% {
    opacity: 0.85;
    transform: scale(1);
    box-shadow: 0 0 0 0 currentColor;
  }
  70% {
    opacity: 0;
    transform: scale(1.55);
    box-shadow: 0 0 0 12px transparent;
  }
  100% {
    opacity: 0;
    transform: scale(1.55);
    box-shadow: 0 0 0 0 transparent;
  }
}

@media (max-width: 767px) {
  .kb-social-fab {
    --kb-fab-size: 3.15rem;
    --kb-fab-gap: 0;
    --kb-fab-inset: 0.85rem;
    bottom: calc(5.75rem + env(safe-area-inset-bottom, 0px)) !important;
  }
  body.kb-sticky-buy-visible .kb-social-fab {
    bottom: calc(9.5rem + env(safe-area-inset-bottom, 0px)) !important;
  }
  .kb-social-fab__btn--instagram,
  .kb-social-fab__btn--discord {
    display: none !important;
  }
  .kb-social-fab__icon {
    width: 1.35rem;
    height: 1.35rem;
  }
}

body.cart-open .kb-social-fab,
html.kb-reviews-open .kb-social-fab,
html.kb-comunidade-open .kb-social-fab {
  opacity: 0.35;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .kb-social-fab__aura {
    animation: none !important;
    opacity: 0.35;
    box-shadow: 0 0 0 4px currentColor;
    transform: none;
  }
  .kb-social-fab__btn,
  .kb-social-fab__btn:hover,
  .kb-social-fab__btn:focus-visible {
    transition: none;
    transform: none;
    filter: none;
  }
}