#tps-square-overlay {
  position: fixed;
  inset: 0;
  z-index: 2147483646;
  display: none;
  place-items: center;
  background: rgba(15, 23, 42, 0.72);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

#tps-square-overlay.is-visible { display: grid; }

.tps-square-card {
  width: min(420px, calc(100vw - 40px));
  padding: 34px;
  border-radius: 18px;
  background: #fff;
  color: #172033;
  text-align: center;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.32);
}

.tps-square-card h2 { margin: 14px 0 8px; font-size: 25px; }
.tps-square-card p { min-height: 48px; margin: 0 0 20px; font-size: 16px; line-height: 1.5; }
.tps-square-card button { padding: 10px 18px; border: 0; border-radius: 8px; background: #e8edf5; color: #172033; cursor: pointer; font-weight: 600; }
.is-error .tps-square-card { border-top: 6px solid #c62828; }
.is-error .tps-square-spinner { display: none; }

.tps-square-spinner {
  width: 38px;
  height: 38px;
  margin: 0 auto;
  border: 4px solid #dce4ef;
  border-top-color: #1367d1;
  border-radius: 50%;
  animation: tps-square-spin .9s linear infinite;
}

@keyframes tps-square-spin { to { transform: rotate(360deg); } }