:root {
      --morado: #82659D;
      --morado-pastel: #cdb7e6;
      --lila: #f6f0fa;
      --texto: #3a2350;
    }

    body {
      background-color: var(--lila);
      color: var(--texto);
    }

    .fade { animation: fadeIn 0.5s ease-in-out; }
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .btn-morado {
      background-color: var(--morado);
      color: white;
      transition: 0.3s;
    }
    .btn-morado:hover { opacity: 0.9; }

    .step-btn.active {
      background-color: var(--morado);
      color: white;
    }
    .step-btn.completed {
      background-color: var(--morado-pastel);
      color: white;
    }

    .success-check {
      text-align: center;
      animation: fadeIn 0.8s ease-in-out;
    }
    .checkmark {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      display: inline-block;
      border: 4px solid #34D399;
      position: relative;
    }
    .checkmark::after {
      content: "";
      position: absolute;
      left: 22px;
      top: 8px;
      width: 25px;
      height: 50px;
      border-right: 4px solid #34D399;
      border-bottom: 4px solid #34D399;
      transform: rotate(45deg);
    }

    /* Header fijo */
    header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 50;
    }

    main {
      padding-top: 6.5rem;
    }

    @media (max-width: 768px) {
      main {
        padding-top: 8.5rem;
      }
    }

    .header-inner.register-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
    }

    .header-inner.register-header .logo {
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      flex-shrink: 0;
    }

    .back-home-btn {
      padding: 0.4rem 0.85rem;
      border-radius: 999px;
      border: 1px solid #ffffff;
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      background: transparent;
      transition: 0.25s;
      text-decoration: none;
      white-space: nowrap;
    }

    .back-home-btn span.icon {
      font-size: 0.95rem;
      line-height: 1;
    }

    .back-home-btn:hover {
      background: #ffffff;
      color: #7c3aed;
    }

    .whatsapp-btn {
      padding: 0.4rem 0.85rem;
      border-radius: 999px;
      background-color: #22c55e;
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      text-decoration: none;
      transition: 0.25s;
      white-space: nowrap;
    }

    .whatsapp-btn i {
      font-size: 1rem;
    }

    .whatsapp-btn:hover {
      filter: brightness(1.05);
      transform: translateY(-1px);
    }

    /* Animaciones de carga */
    .input-loading {
      animation: sibibus-pulse 0.9s ease-in-out infinite;
      border-color: var(--morado) !important;
    }

    @keyframes sibibus-pulse {
      0% {
        box-shadow: 0 0 0 0 rgba(130, 101, 157, 0.5);
      }
      100% {
        box-shadow: 0 0 0 8px rgba(130, 101, 157, 0);
      }
    }

    .icon-spin {
      animation: sibibus-spin 0.7s linear infinite;
    }

    @keyframes sibibus-spin {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }

    @media (max-width: 768px) {
      .header-inner.register-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }

      .header-inner.register-header .header-text {
        text-align: center;
      }

      .header-actions {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
      }

      .back-home-btn {
        border-color: #ffffff;
      }
    }