.auth-shell {
  width: min(100%, 480px);
  margin: 1rem auto;
  border: 1px solid var(--pl-border);
  border-radius: var(--pl-radius-lg);
  background: var(--pl-surface-raised);
  text-align: left;
}

.auth-shell--wide,
.auth-shell--minimal[data-auth-screen="register"] { width: min(100%, 640px); }
.auth-intro,
.auth-minimal-intro { padding: 1.5rem 1.5rem 0; }
.auth-intro h1,
.auth-minimal-intro h1 { margin: 0; font-size: var(--pl-heading-size); font-weight: 700; line-height: 1.3; letter-spacing: -0.025em; }
.auth-description { margin: 0.5rem 0 0; font-size: 0.9rem; }
.auth-eyebrow,
.auth-card-kicker { margin: 0 0 0.5rem; font-size: 0.8rem; color: var(--pl-text-muted); }
.auth-card { padding: 1.5rem; }

.auth-card-header {
  margin-bottom: var(--pl-space-5);
}

.auth-card-header h2 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 760;
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.auth-card-header > p:last-child:not(.auth-card-kicker) {
  margin: var(--pl-space-3) auto 0;
}

.auth-card-header--centered {
  text-align: center;
}

.auth-form {
  display: grid;
  gap: var(--pl-space-4);
}

.auth-developer-login {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--pl-space-4);
  margin: 0 0 var(--pl-space-5);
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--pl-border);
  border-left: 3px solid var(--pl-accent);
  border-radius: var(--pl-radius-sm);
  color: var(--pl-ink);
  background: var(--pl-surface-soft);
}

.auth-developer-login > strong {
  font-size: 0.84rem;
}

.auth-developer-login dl,
.auth-developer-login dd {
  margin: 0;
}

.auth-developer-login dl {
  display: flex;
  gap: var(--pl-space-4);
}

.auth-developer-login dl > div {
  display: grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  gap: var(--pl-space-2);
}

.auth-developer-login dt {
  color: var(--pl-muted);
  font-size: 0.7rem;
  font-weight: 700;
}

.auth-developer-login code {
  color: var(--pl-ink);
  font-family: var(--pl-font-mono);
  font-size: 0.82rem;
  font-weight: 750;
}

.auth-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--pl-space-4);
}

.auth-card .form-control,
.auth-card .form-select {
  min-height: 44px !important;
  padding: 0.6rem 0.75rem !important;
  border-radius: var(--pl-radius-sm) !important;
}

.auth-card .form-select {
  color: var(--pl-ink);
  border: 1px solid var(--pl-border-strong);
  background-color: var(--pl-field);
}

.password-field {
  position: relative;
}

.password-field .form-control {
  padding-right: 4.2rem !important;
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 0.45rem;
  min-height: 34px !important;
  padding: 0.32rem 0.58rem !important;
  border: 0 !important;
  border-radius: 7px !important;
  color: var(--pl-muted) !important;
  background: transparent !important;
  font-size: 0.75rem !important;
  font-weight: 800 !important;
  transform: translateY(-50%) !important;
}

.password-toggle:hover,
.password-toggle:focus-visible {
  color: var(--pl-ink) !important;
  background: var(--pl-surface-soft) !important;
}

.auth-form-row {
  display: flex;
  align-items: center;
  gap: var(--pl-space-4);
}

.auth-form-row--between {
  justify-content: space-between;
}

.auth-submit {
  width: 100%;
  min-height: 44px !important;
  margin-top: var(--pl-space-1);
  color: var(--pl-on-accent) !important;
  border-color: var(--pl-accent) !important;
  background: var(--pl-accent) !important;
}

.auth-submit:hover,
.auth-submit:focus-visible {
  border-color: var(--pl-accent-hover) !important;
  background: var(--pl-accent-hover) !important;
}

.auth-submit--secondary {
  color: var(--pl-ink) !important;
  border-color: var(--pl-border-strong) !important;
  background: var(--pl-surface-soft) !important;
}

.auth-google-button {
  display: flex;
  width: 100%;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 0.76rem 1rem;
  border: 1px solid var(--pl-border-strong);
  border-radius: var(--pl-radius-sm);
  color: var(--pl-ink) !important;
  background: var(--pl-surface-raised);
  font-size: 0.92rem;
  font-weight: 750;
  text-decoration: none;
  transition: border-color var(--pl-motion-fast) var(--pl-ease), background var(--pl-motion-fast) var(--pl-ease), transform var(--pl-motion-fast) var(--pl-ease);
}

.auth-google-button:hover,
.auth-google-button:focus-visible {
  border-color: var(--pl-accent);
  background: var(--pl-surface-soft);
  transform: none;
}

.auth-google-mark {
  display: grid;
  width: 1.45rem;
  height: 1.45rem;
  place-items: center;
  border: 1px solid var(--pl-border);
  border-radius: 50%;
  color: #4285f4;
  background: #fff;
  font-family: Arial, sans-serif;
  font-size: 0.86rem;
  font-weight: 800;
}

.auth-provider-divider {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--pl-space-3);
  margin: var(--pl-space-4) 0;
  color: var(--pl-muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.auth-provider-divider::before,
.auth-provider-divider::after {
  height: 1px;
  background: var(--pl-border);
  content: "";
}

.auth-provider-account {
  margin: 0 0 var(--pl-space-5);
  color: var(--pl-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.auth-provider-account strong {
  color: var(--pl-ink);
  overflow-wrap: anywhere;
}

.auth-switch {
  margin: var(--pl-space-5) 0 0;
  padding-top: var(--pl-space-4);
  border-top: 1px solid var(--pl-border);
  font-size: 0.84rem;
  text-align: center;
}

.auth-confirm-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  margin: 0 auto var(--pl-space-5);
  border: 1px solid var(--pl-border-strong);
  border-radius: 50%;
  color: var(--pl-accent);
  background: var(--pl-surface-soft);
}

.auth-confirm-mark svg {
  width: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

@media (max-width: 560px) {
  .auth-shell { margin: 0 auto; }
  .auth-card { padding: 1.25rem; }
  .auth-intro, .auth-minimal-intro { padding: 1.25rem 1.25rem 0; }
  .auth-form-grid { grid-template-columns: 1fr; }
  .auth-form-row--between { flex-wrap: wrap; }
  .auth-developer-login { grid-template-columns: 1fr; gap: var(--pl-space-2); }
}