body.demo-start-page {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Manrope, "Noto Sans", sans-serif;
  background: #f7f7f8;
  color: #0f0f0f;
}

.demo-start-status {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.demo-start-error-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(15, 15, 15, 0.45);
}

.demo-start-error-popup {
  width: min(100%, 28rem);
  padding: 1.5rem;
  border-radius: 0.75rem;
  background: #fff;
  box-shadow: 0 12px 40px rgba(15, 15, 15, 0.18);
}

.demo-start-error-title {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.demo-start-error-body {
  margin: 0 0 1.25rem;
  line-height: 1.5;
}

.demo-start-error-dismiss {
  border: 0;
  border-radius: 999px;
  padding: 0.625rem 1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  background: #0f0f0f;
  color: #fff;
}