/* Persistent chat "doorbell" — always visible; opens Tawk backend */
.tawk-fab {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 2147483000;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 52px;
  padding: 0 18px 0 14px;
  border: none;
  border-radius: 999px;
  background: #1e40af;
  color: #fff;
  font: 700 15px/1.2 system-ui, -apple-system, "Segoe UI", sans-serif;
  letter-spacing: 0.01em;
  box-shadow: 0 8px 24px rgba(30, 64, 175, 0.4);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.tawk-fab:hover {
  background: #1e3a8a;
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(30, 64, 175, 0.5);
}

.tawk-fab:active {
  transform: translateY(0);
}

.tawk-fab:focus-visible {
  outline: 3px solid #93c5fd;
  outline-offset: 3px;
}

.tawk-fab-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.tawk-fab-pulse {
  position: absolute;
  top: 10px;
  left: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7);
  animation: tawk-fab-pulse 2s ease-out infinite;
}

@keyframes tawk-fab-pulse {
  0% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(74, 222, 128, 0); }
  100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}