.open-chat-float {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 1200;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 58px;
  padding: 9px 16px 9px 9px;
  border: 1px solid rgba(29, 23, 0, .1);
  border-radius: 999px;
  color: #251f00;
  background: #fee500;
  box-shadow: 0 12px 32px rgba(38, 31, 0, .22);
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease;
}

.open-chat-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 38px rgba(38, 31, 0, .28);
}

.open-chat-float:focus-visible {
  outline: 3px solid #171a17;
  outline-offset: 3px;
}

.open-chat-icon {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 50%;
  color: #fee500;
  background: #2b2300;
  font-size: 13px;
  font-weight: 900;
}

.open-chat-copy {
  display: grid;
  gap: 1px;
  line-height: 1.2;
}

.open-chat-copy strong { font-size: 14px; }
.open-chat-copy small { font-size: 11px; opacity: .7; }

@media (max-width: 640px) {
  .open-chat-float {
    right: max(12px, env(safe-area-inset-right));
    bottom: max(12px, env(safe-area-inset-bottom));
    min-height: 50px;
    padding: 7px;
  }

  .open-chat-icon { width: 36px; height: 36px; }
  .open-chat-copy { display: none; }
}