.onboarding-open { overflow: hidden; }
.auth-onboarding {
  position: fixed;
  inset: 0;
  z-index: 20000;
  display: grid;
  place-items: center;
  padding: max(18px, env(safe-area-inset-top)) 16px max(18px, env(safe-area-inset-bottom));
  background:
    radial-gradient(circle at 18% 0%, rgba(210,180,92,.24), transparent 34%),
    linear-gradient(180deg, rgba(28,36,18,.94), rgba(12,17,9,.96));
  color: #fff;
}
.auth-onboarding[hidden], .guest-confirm[hidden] { display: none; }
.auth-card {
  width: min(430px, 100%);
  max-height: calc(100vh - 32px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  overflow: auto;
  padding: 24px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 30px;
  background: rgba(255,253,248,.97);
  color: var(--text);
  box-shadow: 0 24px 70px rgba(0,0,0,.34);
}
.auth-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}
.auth-brand img {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
}
.auth-kicker {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.auth-brand strong {
  display: block;
  margin-top: 3px;
  font-size: 21px;
  line-height: 1.1;
}
.auth-card h2 {
  margin: 0 0 10px;
  font-size: 27px;
  line-height: 1.12;
  letter-spacing: -.3px;
}
.auth-card p {
  margin: 0 0 14px;
  color: var(--muted);
  font-weight: 750;
  line-height: 1.45;
}
.auth-benefits {
  display: grid;
  gap: 8px;
  margin: 16px 0 18px;
  padding: 0;
  list-style: none;
}
.auth-benefits li {
  padding: 12px 14px;
  border: 1px solid rgba(79,93,47,.13);
  border-radius: 16px;
  background: rgba(79,93,47,.06);
  color: var(--text);
  font-weight: 800;
}
.auth-actions, .guest-confirm-actions {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}
.auth-btn {
  width: 100%;
  min-height: 54px;
  border: 0;
  border-radius: 18px;
  padding: 14px 16px;
  font-weight: 900;
  color: #fff;
  background: linear-gradient(180deg, var(--primary), var(--primary-dark));
  box-shadow: 0 10px 22px rgba(53,64,31,.18);
}
.auth-btn.secondary {
  color: var(--primary-dark);
  background: var(--surface);
  border: 1px solid rgba(79,93,47,.18);
  box-shadow: var(--shadow-sm);
}
.auth-btn.ghost {
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  box-shadow: none;
}
.auth-btn:active { transform: scale(.99); }
.auth-note, .sync-note {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(201,166,70,.13);
  color: var(--text);
  font-weight: 800;
}
.sync-note[hidden] { display: none; }
.guest-confirm {
  position: fixed;
  inset: 0;
  z-index: 20010;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(11,15,7,.58);
}
.guest-confirm-card {
  width: min(390px, 100%);
  padding: 22px;
  border-radius: 26px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 24px 60px rgba(0,0,0,.32);
}
.guest-confirm-card h3 {
  margin: 0 0 10px;
  font-size: 23px;
}
.guest-confirm-card p {
  margin: 0 0 10px;
  color: var(--muted);
  font-weight: 780;
  line-height: 1.45;
}
.sync-status-box {
  padding: 14px;
  border: 1px solid rgba(79,93,47,.13);
  border-radius: 18px;
  background: rgba(79,93,47,.06);
  margin-bottom: 12px;
}
.sync-status-box strong, .sync-status-box span { display: block; }
.sync-status-box span {
  margin-top: 4px;
  color: var(--muted);
  font-weight: 800;
}
.theme-dark .auth-card,
.theme-dark .guest-confirm-card {
  background: #202819;
  color: #f8f6ef;
  border-color: rgba(248,246,239,.12);
}
.theme-dark .auth-card p,
.theme-dark .guest-confirm-card p,
.theme-dark .auth-kicker,
.theme-dark .sync-status-box span { color: rgba(248,246,239,.72); }
.theme-dark .auth-benefits li,
.theme-dark .sync-status-box { background: rgba(248,246,239,.06); border-color: rgba(248,246,239,.12); color: #f8f6ef; }
.theme-dark .auth-btn.secondary { background: rgba(248,246,239,.08); color: #f8f6ef; border-color: rgba(248,246,239,.16); }
.theme-dark .auth-note, .theme-dark .sync-note { color: #f8f6ef; background: rgba(210,180,92,.16); }
@media (max-width: 360px) {
  .auth-card { padding: 20px; border-radius: 24px; }
  .auth-card h2 { font-size: 24px; }
  .auth-brand img { width: 50px; height: 50px; }
}