html.visitor-channel-active,
html.visitor-channel-active body {
  overflow: hidden !important;
}

#visitor-channel-dialog {
  box-sizing: border-box;
  width: 85vw;
  max-width: 360px;
  max-height: 90vh;
  max-height: 90svh;
  margin: auto;
  padding: 0;
  border: 0;
  border-radius: 16px;
  background: #fff;
  color: #222;
  text-align: center;
  overflow-x: hidden;
  overflow-y: auto;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", sans-serif;
  box-shadow: 0 15px 40px rgb(0 0 0 / 40%);
}

#visitor-channel-dialog[open] {
  animation: visitor-channel-enter .25s ease-out;
}

#visitor-channel-dialog::backdrop {
  background: rgb(0 0 0 / 75%);
  backdrop-filter: blur(4px);
}

#visitor-channel-dialog .visitor-channel-image {
  display: block;
  width: 100%;
  height: auto;
  max-height: calc(90vh - 190px);
  max-height: calc(90svh - 190px);
  object-fit: contain;
  background: #f6f3ef;
}

#visitor-channel-dialog .visitor-channel-image[hidden] { display: none; }
#visitor-channel-dialog .visitor-channel-content { padding: 20px 20px 28px; }
#visitor-channel-dialog h2 { margin: 0 0 10px; color: #222; font-size: 22px; font-weight: 800; line-height: 1.4; }
#visitor-channel-dialog p { margin: 0 0 20px; color: #777; font-size: 14px; line-height: 1.5; }
#visitor-channel-dialog .visitor-channel-button {
  display: block;
  box-sizing: border-box;
  width: 100%;
  padding: 15px 12px;
  border-radius: 50px;
  background: linear-gradient(90deg, #ff416c, #ff4b2b);
  color: #fff;
  font-size: 18px;
  line-height: 1.5;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 20px rgb(255 75 43 / 30%);
}
#visitor-channel-dialog .visitor-channel-button:focus-visible { outline: 3px solid #142d4e; outline-offset: -5px; }
#visitor-channel-dialog .visitor-channel-button:active { transform: scale(.98); }
@keyframes visitor-channel-enter { from { opacity: 0; transform: scale(.95); } to { opacity: 1; transform: scale(1); } }
@media (prefers-reduced-motion: reduce) { #visitor-channel-dialog[open] { animation: none; } }