:root {
      --primary-color: #dc3545;
      --gradient-start: #f8fafc;
      --gradient-end: #f8fafc;
      --text-dark: #333333;
      --text-light: #666666;
    }

    body {
      font-family: 'Roboto', sans-serif;
      background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }

    .register-container {
      background-color: white;
      border-radius: 12px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
      width: 100%;
      max-width: 500px;
      padding: 40px;
    }

    .logo-container {
      text-align: center;
      margin-bottom: 15px;
    }

    .user-icon {
      width: 70px;
      height: 70px;
      background-color: var(--primary-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
      color: white;
      font-size: 32px;
    }

    h1 {
      color: var(--text-dark);
      font-weight: 500;
      margin-bottom: 8px;
      text-align: center;
    }

    .subtitle {
      color: var(--text-light);
      text-align: center;
      margin-bottom: 30px;
    }

    .form-control {
      height: 50px;
      padding-left: 40px;
      border: 1px solid #e0e0e0;
      border-radius: 8px;
      background-color: #f8f9fa;
      margin-bottom: 20px;
    }

    .form-control:focus {
      box-shadow: none;
      border-color: var(--primary-color);
      background-color: #fff;
    }

    .input-icon {
      position: relative;
    }

    .input-icon i {
      position: absolute;
      left: 15px;
      top: 17px;
      color: #999;
    }

    .btn-register {
      background-color: var(--primary-color);
      border: none;
      border-radius: 8px;
      height: 50px;
      font-weight: 500;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      width: 100%;
      margin: 20px 0;
    }

    .btn-register:hover {
      background-color: #e25563;
    }

    .login-link {
      text-align: center;
      margin-top: 15px;
      color: var(--text-light);
    }

    .login-link a {
      color: var(--primary-color);
      text-decoration: none;
      font-weight: 500;
    }

    .login-link a:hover {
      text-decoration: underline;
    }

    .alert {
      border-radius: 8px;
      padding: 12px 15px;
      margin-bottom: 20px;
    }

    .password-requirements {
      font-size: 0.85rem;
      color: var(--text-light);
      margin-top: -15px;
      margin-bottom: 15px;
    }

    @media (max-width: 576px) {
      .register-container {
        padding: 30px 20px;
      }
    }