:root {
        --primary-blue: #007bff;
        --dark-bg: #212529;
        --warning-yellow: #ffc107;
        --light-bg: #f8f9fa;
      }

      body {
        min-height: 100vh;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      }

      .register-container {
        min-height: 100vh;
        display: flex;
        align-items: center;
        padding: 2rem 0;
      }

      .register-card {
        background: rgba(255, 255, 255, 0.98);
        border-radius: 20px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        overflow: hidden;
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        max-width: 700px;
      }

      .form-section {
        padding: 3rem 2rem;
      }

      .form-control {
        border: 2px solid #e9ecef;
        border-radius: 12px;
        padding: 12px 16px;
        font-size: 16px;
        transition: all 0.3s ease;
      }

      .form-control:focus {
        border-color: var(--primary-blue);
        box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.1);
      }

      .form-label {
        font-weight: 600;
        color: #495057;
        margin-bottom: 8px;
      }

      .btn-register {
        background: var(--warning-yellow);
        border: none;
        color: #212529;
        font-weight: 600;
        padding: 14px 30px;
        border-radius: 12px;
        font-size: 16px;
        transition: all 0.3s ease;
      }

      .btn-register:hover {
        background: #e0a800;
        color: #212529;
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(255, 193, 7, 0.3);
      }

      .btn-back {
        color: var(--primary-blue);
        text-decoration: none;
        font-weight: 500;
        transition: all 0.3s ease;
      }

      .btn-back:hover {
        color: var(--dark-bg);
        text-decoration: none;
      }

      .form-check-input:checked {
        background-color: var(--primary-blue);
        border-color: var(--primary-blue);
      }

      .divider {
        position: relative;
        text-align: center;
        margin: 2rem 0;
      }

      .divider::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 0;
        right: 0;
        height: 1px;
        background: #dee2e6;
      }

      .divider span {
        background: white;
        padding: 0 1rem;
        color: #6c757d;
        font-size: 14px;
      }

      .input-icon {
        position: relative;
      }

      .input-icon i {
        position: absolute;
        left: 16px;
        top: 50%;
        transform: translateY(-50%);
        color: #6c757d;
        z-index: 3;
      }

      .input-icon .form-control {
        padding-left: 48px;
      }

      @media (max-width: 768px) {
        .register-container {
          padding: 1rem;
        }

        .brand-section {
          padding: 2rem 1.5rem;
        }

        .form-section {
          padding: 2rem 1.5rem;
        }

        .brand-logo {
          font-size: 2rem;
        }
      }