.binding-shell {
  min-height: 100vh;
  padding: 32px 20px;
}

.binding-panel {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: 32px;
  border: 1px solid #e5e9ef;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 45px rgb(25 35 52 / 8%);
}

.binding-panel header,
.actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.binding-panel header a {
  color: #2563eb;
  text-decoration: none;
}

.binding-panel label {
  display: grid;
  gap: 8px;
  color: #4b5563;
  font-size: 13px;
}

.binding-panel input {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border: 1px solid #d8dee8;
  border-radius: 6px;
  font: inherit;
}

.actions {
  justify-content: flex-start;
  margin-top: 18px;
}

.actions button {
  min-height: 40px;
  padding: 0 16px;
  border: 0;
  border-radius: 6px;
  background: #111827;
  color: #fff;
  cursor: pointer;
}

.actions .secondary {
  border: 1px solid #d8dee8;
  background: #fff;
  color: #303846;
}

.status {
  margin: 20px 0 0;
  color: #4b5563;
}

.qr-image-panel {
  display: grid;
  justify-items: center;
  gap: 10px;
  margin: 20px auto 0;
  padding: 18px;
  border: 1px solid #e5e9ef;
  border-radius: 8px;
  background: #f8fafc;
}

.qr-image-panel[hidden] {
  display: none;
}

.qr-image-panel img {
  width: 280px;
  height: 280px;
  border: 12px solid #ffffff;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 10px 28px rgb(15 23 42 / 10%);
}

.qr-image-panel figcaption {
  margin: 0;
  color: #667085;
  font-size: 13px;
  text-align: center;
}

#qrText {
  overflow: auto;
  margin: 20px auto 0;
  padding: 18px;
  border: 1px solid #e5e9ef;
  background: #fff;
  color: #000;
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 10px;
  line-height: 1;
  text-align: center;
  white-space: pre;
}

@media (max-width: 640px) {
  .binding-panel {
    padding: 24px 18px;
  }

  .binding-panel header {
    align-items: flex-start;
  }

  .qr-image-panel img {
    width: min(260px, 100%);
    height: auto;
    aspect-ratio: 1;
  }

  #qrText {
    font-size: 7px;
  }
}