body {
      background: #f4f6f8;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }
    .wizard-card {
      border-radius: 18px;
      border: none;
      box-shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
    }
    .wizard-step {
      display: none;
    }
    .wizard-step.active {
      display: block;
    }
    .wizard-header-title {
      font-size: 1.6rem;
      font-weight: 600;
    }
    .wizard-subtitle {
      font-size: .95rem;
      color: #6c757d;
    }
    .section-title {
      font-size: 1.2rem;
      font-weight: 600;
      margin-bottom: 1rem;
    }
    .wizard-nav {
      margin-bottom: 1.5rem;
    }
    .wizard-nav .step-pill {
      border-radius: 999px;
      padding: .35rem .9rem;
      font-size: .85rem;
      margin-right: .3rem;
    }
    .wizard-nav .step-pill.active {
      background: #0d6efd;
      color: #fff;
    }
    .wizard-nav .step-pill.done {
      background: #198754;
      color: #fff;
    }
    .btn-next, .btn-prev {
      min-width: 120px;
    }
    .is-invalid + .invalid-feedback {
      display: block;
    }