.auth-shell {
  max-width: 420px;
  margin: 40px auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  background: var(--surface);
}

.auth-shell h2 {
  margin-bottom: 16px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

.auth-sso-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin-bottom: 12px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 10px;
  color: var(--surface);
  background: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.auth-sso-button:hover {
  opacity: 0.92;
  color: var(--surface);
}

.auth-sso-button-icon {
  font-size: 18px;
  line-height: 1;
}

.auth-sso-hint {
  margin: 0 0 12px;
  color: var(--text-secondary);
  font-size: 14px;
  text-align: center;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 12px 0 16px;
  color: var(--text-secondary);
  font-size: 13px;
}

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

.auth-form-group {
  margin-bottom: 12px;
}

.auth-form-group label {
  display: block;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.auth-form-group input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}

.auth-submit {
  width: 100%;
  border: 1px solid var(--primary);
  color: var(--primary);
  background: transparent;
  border-radius: var(--radius-sm);
  padding: 10px;
  cursor: pointer;
}

.auth-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.auth-link,
.auth-footer-link a {
  color: var(--primary);
  text-decoration: none;
}

.auth-link:hover,
.auth-footer-link a:hover {
  text-decoration: underline;
}

.auth-footer-link {
  margin-top: 14px;
  color: var(--text-secondary);
  text-align: center;
}