#aacb-chatbox {
  border: 1px solid #ddd;
  border-radius: 12px;
  width: 300px;
  padding: 15px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  font-family: system-ui;
  background: #fff;
}
.chat-header {
  font-weight: bold;
  margin-bottom: 10px;
  font-size: 16px;
}
.chat-body label {
  display: block;
  margin-top: 8px;
}
#aacb-check-btn {
  margin-top: 10px;
  padding: 6px 12px;
  border: none;
  background: #0073aa;
  color: white;
  border-radius: 5px;
  cursor: pointer;
}
#aacb-check-btn:hover {
  background: #005f8d;
}
#aacb-result {
  margin-top: 12px;
  font-weight: 600;
}
/* --- Guest Selector --- */
#aacb-guest-selector {
  margin-top: 8px;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 10px;
  background: #fafafa;
}
.guest-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.guest-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}
.guest-controls button {
  background: #0073aa;
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}
.guest-controls input {
  width: 35px;
  text-align: center;
  border: 1px solid #ccc;
  border-radius: 4px;
  height: 26px;
}
.guest-row span small {
  color: #555;
  font-size: 12px;
}
.guest-total {
  text-align: right;
  font-weight: 600;
  margin-top: 5px;
}