.auth-gate {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.auth-card {
  background: rgba(255,255,255,0.7);
  padding: 3rem;
  border-radius: 18px;
  backdrop-filter: blur(8px);
  text-align: center;
  width: 320px;
}

.auth-card input {
  width: 100%;
  padding: 0.8rem;
  margin: 0.6rem 0;
  border-radius: 10px;
  border: none;
}

.auth-card button {
  width: 100%;
  margin-top: 0.8rem;
  padding: 0.8rem;
  border-radius: 12px;
  border: none;
  background: var(--accent-earth);
  color: white;
  cursor: pointer;
}