.session-expiry-backdrop {
  position: fixed;
  z-index: 10000;
  display: grid;
  inset: 0;
  place-items: center;
  padding: 24px;
  background: rgb(4 8 14 / 78%);
  backdrop-filter: blur(9px);
}

.session-expiry-dialog {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  width: min(520px, 100%);
  padding: 24px;
  border: 1px solid rgb(244 180 74 / 58%);
  border-radius: 20px;
  background: linear-gradient(145deg, #1d2026, #111720);
  color: #f7f2e8;
  box-shadow: 0 28px 90px rgb(0 0 0 / 52%);
}

.session-expiry-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  background: #f4b44a;
  color: #261700;
  font-size: 1.15rem;
  font-weight: 900;
}

.session-expiry-dialog h2 { margin: 0; color: #fff7e8; }
.session-expiry-dialog p { margin: 7px 0 0; color: #c8d2df; line-height: 1.55; }

.session-expiry-action {
  margin-top: 20px;
  padding: 11px 17px;
  border: 1px solid #ffcb70;
  border-radius: 11px;
  background: #f4b44a;
  color: #261700;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.session-expiry-action:focus-visible {
  outline: 3px solid rgb(255 203 112 / 34%);
  outline-offset: 3px;
}

@media (max-width: 560px) {
  .session-expiry-dialog { grid-template-columns: 1fr; padding: 20px; }
  .session-expiry-action { width: 100%; }
}