#gate {
  height: 100vh;
  height: 100dvh;
  display: grid;
  place-items: center;
  overflow: auto;
  background: #f4f1ea;
  padding: 16px;
  padding-bottom: calc(16px + env(safe-area-inset-bottom));
}

.card {
  width: min(280px, 100%);
  border: 1px solid #000;
  padding: 16px;
  display: grid;
  gap: 8px;
}

.card-title {
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  font-size: 18px;
}

#login button {
  background: #000;
  color: #fff;
  border: 0;
  font-weight: 700;
  padding: 8px 10px;
}

#login button:active { background: #f4f1ea; color: #000; }

.error { min-height: 1.2em; margin: 0; }