.onboarding-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
  background: var(--v50-bg, var(--bg));
}
.onboarding-card {
  width: min(720px, 100%);
  background: var(--v50-surface, var(--surface));
  border: 1px solid var(--v50-line, var(--line));
  border-radius: 20px;
  padding: 28px;
  box-shadow: none;
}
.onboarding-card h1 { margin: 10px 0 8px; }
.onboarding-card > p { line-height: 1.65; }
.onboarding-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.recovery-code-box {
  margin: 18px 0;
  padding: 18px;
  border: 1px solid #b7cec5;
  border-radius: 14px;
  background: var(--v50-position, var(--surface-2));
}
.recovery-code-box code {
  display: block;
  margin: 10px 0;
  font-size: 16px;
  line-height: 1.7;
  word-break: break-all;
  user-select: all;
}
.v4-recovery-ack {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin: 14px 0;
  padding: 11px 12px;
  border-radius: 12px;
  background: var(--v50-attention, #fbf7ed);
  color: #765314;
}
.v4-recovery-ack input { width: auto; margin-top: 2px; }
.v4-join-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 16px 0 22px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--v50-surface-soft, var(--surface-2));
  color: var(--v50-muted, var(--muted));
  font-size: 13px;
  font-weight: 700;
}
.v4-join-step {
  border: 0;
  border-top: 1px solid var(--v50-line, var(--line));
  margin: 18px 0 0;
  padding: 18px 0 0;
}
.v4-join-step legend { padding: 0; font-size: 20px; font-weight: 800; }
.v4-join-step > p { margin: 6px 0 16px; color: var(--v50-muted, var(--muted)); }
.v4-join-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.v4-join-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }
.login-help { margin-top: 14px; text-align: center; }
.login-help a { font-weight: 700; }

@media (max-width: 680px) {
  .onboarding-shell { align-items: start; padding: 18px 12px; }
  .onboarding-card { padding: 20px 16px; border-radius: 16px; }
  .v4-join-fields { grid-template-columns: 1fr; }
  .v4-join-progress { gap: 6px; font-size: 12px; }
  .v4-join-actions { display: grid; grid-template-columns: 1fr; }
  .v4-join-actions .btn { min-height: 44px; }
}

@media (hover: none) {
  .onboarding-actions .btn,
  .v4-join-actions .btn { min-height: 44px; }
}