.tsi-guaranteed-stock { font-weight: 600; }
.tsi-availability-overlay[hidden] { display: none; }
.tsi-availability-overlay {
  position: fixed;
  inset: 0;
  z-index: 999999;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(15, 23, 42, .58);
}
.tsi-availability-dialog {
  position: relative;
  width: min(100%, 520px);
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: 28px;
  border-radius: 16px;
  background: #fff;
  color: #172033;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .28);
}
.tsi-availability-dialog h2 { margin: 0 36px 10px 0; font-size: 1.35rem; }
.tsi-dialog-close {
  position: absolute;
  top: 10px;
  right: 12px;
  border: 0;
  background: transparent;
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
}
.tsi-all-or-nothing { display: flex; gap: 9px; align-items: flex-start; margin: 18px 0; }
.tsi-all-or-nothing input { margin-top: 4px; }
.tsi-dialog-actions { display: grid; gap: 9px; }
.tsi-dialog-actions .button { width: 100%; min-height: 42px; }
.tsi-dialog-actions .tsi-whatsapp { background: #25d366; border-color: #1ca851; color: #0b2e18; font-weight: 700; }
body.tsi-dialog-open { overflow: hidden; }
@media (max-width: 480px) {
  .tsi-availability-dialog { padding: 22px 18px; border-radius: 12px; }
}