.login-prompt-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(25, 46, 73, .24);
  backdrop-filter: blur(6px);
}

.login-prompt-box {
  width: min(100%, 360px);
  box-sizing: border-box;
  padding: 26px;
  border: 1px solid rgba(151, 190, 224, .54);
  border-radius: 8px;
  background: rgba(248, 252, 255, .97);
  color: #20334b;
  text-align: center;
  box-shadow: 0 18px 48px rgba(42, 73, 108, .16);
}

.login-prompt-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: #eaf6ff;
  color: #367ec8;
  font-size: 17px;
  font-weight: 800;
}

.login-prompt-title {
  margin: 0;
  color: #172a43;
  font-size: 20px;
  line-height: 1.35;
}

.login-prompt-message {
  margin: 10px 0 22px;
  color: #5f7289;
  font-size: 14px;
  line-height: 1.7;
}

.login-prompt-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.login-prompt-btn {
  min-height: 42px;
  padding: 0 16px;
  border-radius: 8px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.login-prompt-btn-primary {
  border: 1px solid #4a92dc;
  background: #00aceb !important;
  background-image: none !important;
  color: #fff !important;
}

.login-prompt-btn-secondary {
  border: 1px solid rgba(126, 165, 201, .42);
  background: rgba(255, 255, 255, .88) !important;
  background-image: none !important;
  color: #0a4a63 !important;
}

.login-prompt-btn:hover { filter: brightness(.98); }
.login-prompt-btn:focus-visible { outline: 2px solid rgba(0,172,235,.42); outline-offset: 2px; }

@media (max-width: 480px) {
  .login-prompt-overlay { padding: 16px; }
  .login-prompt-box { padding: 22px 18px; }
}