.snays-fab-stack{
  position: fixed;
  right: clamp(16px, 2vw, 28px);
  bottom: clamp(20px, 2vw, 28px);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  z-index: 840;
  pointer-events: none;
  transition:
    bottom var(--snays-mid) var(--snays-ease),
    right var(--snays-mid) var(--snays-ease),
    gap var(--snays-mid) var(--snays-ease);
}

@media (max-width: 991px){
  .snays-fab-stack{
    bottom: calc(var(--snays-bbar-h, 64px) + env(safe-area-inset-bottom) + 12px);
    right: 14px;
    gap: 10px;
  }
  body:has(.snays-bbar-root[data-bbar="hidden"]) .snays-fab-stack,
  .snays-fab-stack[data-snays-fab-bbar="hidden"]{
    bottom: calc(env(safe-area-inset-bottom) + 14px);
  }
}

.snays-fab{
  pointer-events: auto;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--snays-radius-md);
  cursor: pointer;
  color: #fff;
  text-decoration: none;
  box-shadow:
    0 8px 22px rgba(15, 19, 34, .22),
    0 2px 6px rgba(15, 19, 34, .12);
  transition:
    transform var(--snays-fast) var(--snays-ease),
    box-shadow var(--snays-fast) var(--snays-ease),
    background var(--snays-fast) var(--snays-ease);
}
.snays-fab:hover{
  box-shadow:
    0 12px 28px rgba(15, 19, 34, .28),
    0 4px 8px rgba(15, 19, 34, .14);
}
.snays-fab:active{ transform: translateY(0) scale(.97); }
.snays-fab:focus-visible{
  outline: 3px solid color-mix(in srgb, var(--snays-accent) 55%, transparent);
  outline-offset: 3px;
}
.snays-fab .snays-ico{ width: 24px; height: 24px; }

@media (max-width: 991px){
  .snays-fab{ width: 50px; height: 50px; }
  .snays-fab .snays-ico{ width: 22px; height: 22px; }
}

.snays-fab-wa{
  background: #25D366;
  border-color: color-mix(in srgb, #fff 22%, #25D366);
}
.snays-fab-wa:hover{ background: #1ea656; }

.snays-fab-wa::before{
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: #25D366;
  opacity: .35;
  z-index: -1;
  animation: snays-fab-pulse 2.4s ease-out infinite;
}
@keyframes snays-fab-pulse{
  0%   { transform: scale(1);   opacity: .35; }
  70%  { transform: scale(1.55); opacity: 0;   }
  100% { transform: scale(1.55); opacity: 0;   }
}
.snays-fab-wa:hover::before{ animation-play-state: paused; opacity: 0; }

.snays-fab-up{
  border: none;
  background: transparent;
  color: transparent;
  overflow: visible;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(.85);
  transition:
    opacity var(--snays-mid) var(--snays-ease),
    transform var(--snays-mid) var(--snays-ease),
    visibility 0s linear var(--snays-mid);
}
.snays-fab-up.is-visible{
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  transition:
    opacity var(--snays-mid) var(--snays-ease),
    transform var(--snays-mid) var(--snays-ease),
    visibility 0s;
}
.snays-fab-up:hover{
  background: transparent;
  color: #fff;
}
.snays-fab-up:hover .snays-fab-up-face{
  background: var(--snays-accent);
  color: #fff;
}

.snays-fab-up-ring{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.snays-fab-up-ring-track,
.snays-fab-up-ring-fill{
  stroke-linejoin: round;
}
.snays-fab-up-ring-track{
  stroke: color-mix(in srgb, var(--snays-surface) 70%, rgba(255,255,255,.35));
  stroke-width: 2.5;
  stroke-linecap: round;
}
.snays-fab-up-ring-fill{
  stroke: var(--snays-accent);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 100;
  stroke-dashoffset: calc(100 * (1 - var(--snays-fab-scroll, 0)));
  transition: stroke-dashoffset 0.2s var(--snays-ease);
}
.snays-fab-up-face{
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: calc(100% - 8px);
  height: calc(100% - 8px);
  border-radius: calc(var(--snays-radius-md) - 1px);
  border: 0;
  background: var(--snays-text);
  color: var(--snays-surface);
  transition:
    background var(--snays-fast) var(--snays-ease),
    color var(--snays-fast) var(--snays-ease),
    transform var(--snays-fast) var(--snays-ease);
}
.snays-fab-up:hover .snays-fab-up-ring-fill{
  stroke: color-mix(in srgb, #fff 20%, var(--snays-accent));
}

@media print{
  .snays-fab-stack{ display: none; }
}
@media (prefers-reduced-motion: reduce){
  .snays-fab-stack{ transition: none; }
  .snays-fab,
  .snays-fab-up{ transition: none; }
  .snays-fab-up-ring-fill{ transition: none; }
  .snays-fab-wa::before{ animation: none; }
}

html[data-theme="dark"] .snays-fab-up-face{
  background: var(--snays-surface-2);
  color: var(--snays-text);
}
html[data-theme="dark"] .snays-fab-up-ring-track{
  stroke: color-mix(in srgb, var(--snays-border) 80%, rgba(255,255,255,.22));
}