/* Estratto da public/register.php (Fase 1 refactoring). */
    body { background: linear-gradient(135deg, var(--me-sidebar) 0%, var(--me-sidebar-2) 100%); min-height: 100vh; }
    .card-wrap {
      width: min(560px, 94vw);
      background: var(--me-surface);
      border-radius: 20px;
      box-shadow: 0 24px 64px rgba(0,0,0,.25);
      padding: 28px;
    }