.gate {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(23, 22, 19, .72);
  backdrop-filter: blur(12px);
}

.gate-card {
  display: grid;
  gap: 15px;
  width: min(100%, 390px);
  padding: 26px;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.gate-card h2,
.gate-card p { margin-bottom: 0; }
.gate-card button { width: 100%; }
.gate-card a { text-align: center; color: var(--muted); font-size: .85rem; }
.error { color: var(--danger); font-weight: 700; }
.identity-btn { background: var(--soft); color: var(--text); padding: 6px 10px; }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 4px; border-radius: 12px; background: var(--soft); }
.auth-tabs button { color: var(--muted); }
.auth-tabs button.active { background: var(--surface); color: var(--text); }
#signup-fields { display: grid; gap: 15px; }