.auth-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  gap: 26px;
}
.auth-topbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  position: relative;
  width: 100%;
  max-width: 400px;
}
.auth-topbar .lang-switch { position: absolute; right: 0; }

.auth-brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
}
.auth-brand .dot { color: var(--rust); }
.auth-brand:hover { text-decoration: none; }

.auth-card {
  width: 100%;
  max-width: 400px;
  padding: 32px;
}

.auth-tabs {
  display: flex;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 22px;
}
.auth-tab {
  flex: 1;
  text-align: center;
  padding: 10px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--paper);
}
.auth-tab.active { background: var(--forest); color: var(--white); }
.auth-tab:hover { text-decoration: none; }

.auth-lead { font-size: 14.5px; margin-bottom: 20px; }

.auth-alert {
  background: #FBEAE3;
  border: 1px solid #E8B7A2;
  color: var(--rust-dark);
  font-size: 13.5px;
  padding: 10px 13px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
}

.auth-footnote {
  font-size: 13px;
  color: var(--ink-faint);
  max-width: 360px;
  text-align: center;
}

.auth-legal {
  font-size: 12px;
  color: var(--ink-faint);
  text-align: center;
  margin: 14px 0 0;
}
.auth-legal a { color: var(--ink-faint); text-decoration: underline; }
.auth-legal a:hover { color: var(--ink); }

/* Checkout ---------------------------------------------------------- */
.checkout-card { padding: 30px 32px; }

.checkout-plan {
  text-align: center;
  padding-bottom: 20px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.checkout-plan-name {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 8px;
}
.checkout-plan-price {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 600;
  color: var(--ink);
}
.checkout-plan-price span {
  display: block;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-faint);
  margin-top: 4px;
}

.checkout-test-banner {
  background: #FCF3DE;
  border: 1px solid #E9CE8E;
  color: #7A5B12;
  font-size: 13px;
  padding: 10px 13px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
}

.checkout-check-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: var(--ink-soft);
  text-transform: none;
  font-weight: 400;
  margin-bottom: 14px;
  cursor: pointer;
}
.checkout-check-row input {
  margin-top: 2px;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  accent-color: var(--forest);
}
.checkout-check-row a { color: var(--forest); text-decoration: underline; }

.checkout-form { margin-top: 4px; }
.checkout-cancel {
  display: block;
  text-align: center;
  font-size: 13px;
  color: var(--ink-faint);
  margin-top: 14px;
}