.auth-gate {
  position: relative;
  z-index: 2;
  width: min(560px, 94vw);
  margin: 40px auto 8px;
}

:root.has-session .auth-gate {
  display: none;
}

.auth-card {
  background: var(--bg-panel);
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow);
  border-radius: 16px;
  padding: 18px;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.auth-brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--stroke-soft);
  background: rgba(255, 255, 255, 0.75);
}

.auth-brand-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.3rem;
}

.auth-tabs {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  margin: 14px 0 10px;
  border: 1px solid var(--stroke-soft);
  border-radius: 999px;
  background: rgba(246, 241, 230, 0.72);
}

.auth-tab {
  border: 0;
  border-radius: 999px;
  padding: 9px 16px;
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease, box-shadow 140ms ease;
}

.auth-tab:hover {
  color: var(--ink);
}

.auth-tab.is-active {
  background: var(--accent);
  color: var(--bg-base);
  box-shadow: 0 8px 18px rgba(95, 88, 61, 0.18);
}

.auth-layout {
  margin: 8px 0 8px;
}

.auth-panel {
  border: 1px solid var(--stroke-soft);
  background: rgba(252, 253, 251, 0.78);
  border-radius: 12px;
  padding: 14px;
}

.auth-panel-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.auth-panel-note {
  margin: 6px 0 10px;
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.auth-message {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .auth-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }
}