* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background-color: #1a3d34;
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }

    .card {
      background-color: #ffffff;
      border-radius: 32px;
      padding: 48px 40px;
      width: 100%;
      max-width: 420px;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
      text-align: center;
    }

    .icon-container {
      width: 80px;
      height: 80px;
      background: linear-gradient(135deg, #66a5ad 0%, #4a8a91 100%);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 28px auto;
    }

    .icon-container svg {
      width: 40px;
      height: 40px;
      fill: white;
    }

    .title {
      color: #1a3d34;
      font-size: 26px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .subtitle {
      color: #5a6b65;
      font-size: 15px;
      line-height: 1.6;
      margin-bottom: 32px;
    }

    .form-group {
      margin-bottom: 24px;
    }

    .input-field {
      width: 100%;
      padding: 16px 24px;
      border: none;
      border-radius: 50px;
      background-color: #2d4a42;
      color: #ffffff;
      font-size: 15px;
      outline: none;
      transition: all 0.3s ease;
    }

    .input-field::placeholder {
      color: #8fa69e;
    }

    .input-field:focus {
      background-color: #1a3d34;
      box-shadow: 0 0 0 3px rgba(102, 165, 173, 0.4);
    }

    .btn-primary {
      width: 100%;
      padding: 16px 24px;
      border: none;
      border-radius: 50px;
      background-color: #66a5ad;
      color: #ffffff;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
      margin-bottom: 24px;
    }

    .btn-primary:hover {
      background-color: #5a9199;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(102, 165, 173, 0.4);
    }

    .btn-primary:active {
      transform: translateY(0);
    }

    .back-link {
      color: #66a5ad;
      text-decoration: none;
      font-size: 14px;
      font-weight: 500;
      transition: color 0.3s ease;
    }

    .back-link:hover {
      color: #4a8a91;
      text-decoration: underline;
    }

    /* Mensaje de confirmación */
    .confirmation {
      display: none;
    }

    .confirmation.show {
      display: block;
    }

    .form-content.hide {
      display: none;
    }

    .check-icon {
      width: 80px;
      height: 80px;
      background: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 28px auto;
      animation: scaleIn 0.5s ease;
    }

    .check-icon svg {
      width: 40px;
      height: 40px;
      stroke: white;
      stroke-width: 3;
      fill: none;
    }

    .confirmation-title {
      color: #1a3d34;
      font-size: 24px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .confirmation-text {
      color: #5a6b65;
      font-size: 15px;
      line-height: 1.6;
      margin-bottom: 32px;
    }

    @keyframes scaleIn {
      0% {
        transform: scale(0);
        opacity: 0;
      }
      100% {
        transform: scale(1);
        opacity: 1;
      }
    }

    /* Responsive */
    @media (max-width: 480px) {
      .card {
        padding: 36px 24px;
        border-radius: 24px;
      }

      .title {
        font-size: 22px;
      }

      .subtitle {
        font-size: 14px;
      }
    }