.tnet-atc-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(0,0,0,.55);
  z-index: 999999;
}

.tnet-atc-overlay.is-open { display: flex; }

.tnet-atc-modal {
  width: min(520px, 100%);
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 18px 60px rgba(0,0,0,.25);
  position: relative;
  overflow: hidden;
}

.tnet-atc-content { padding: 20px 18px 18px; }

.tnet-atc-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}

.tnet-atc-message {
  font-size: 14px;
  line-height: 1.9;
  color: #222;
  word-wrap: break-word;
}

.tnet-atc-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 10px;
  background: rgba(0,0,0,.06);
  cursor: pointer;
  font-size: 22px;
  line-height: 36px;
}

.tnet-atc-close:hover { background: rgba(0,0,0,.10); }

@media (max-width: 480px) {
  .tnet-atc-content { padding: 16px 14px 14px; }
  .tnet-atc-title { font-size: 15px; }
  .tnet-atc-message { font-size: 13.5px; }
}