    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    }
    body {
      background: linear-gradient(135deg, #3c6e71, #5e9fa3);
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
      margin: 0;
      position: relative;
      overflow: hidden;
    }
    body::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.1);
      z-index: -1;
    }
    .login-container {
      background: #fff;
      padding: 2.5rem;
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
      max-width: 450px;
      width: 100%;
    }
    .login-header {
      text-align: center;
      margin-bottom: 2rem;
    }
    .login-header h3 {
      font-weight: 600;
      color: #3c6e71;
      font-size: 1.5rem;
      margin-bottom: 0.5rem;
    }
    .login-header .slogan {
      color: #666;
      font-size: 1rem;
      font-weight: 400;
      margin-bottom: 0.5rem;
    }
    .login-header .call-to-action {
      color: #3c6e71;
      font-size: 0.9rem;
      font-weight: 500;
    }
    .form-floating > .form-control:focus ~ label,
    .form-floating > .form-control:not(:placeholder-shown) ~ label {
      opacity: 0.65;
      transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
      color: #3c6e71;
    }
    .form-control {
      border-radius: 5px;
      border: 1px solid #e0e0e0;
      font-size: 0.9rem;
    }
    .form-control:focus {
      border-color: #3c6e71;
      box-shadow: 0 0 6px rgba(60, 110, 113, 0.5);
    }
    .btn-primary {
      background-color: #3c6e71;
      border: none;
      border-radius: 5px;
      font-weight: 500;
      padding: 0.75rem;
      width: 100%;
      transition: background-color 0.3s ease;
    }
    .btn-primary:hover {
      background-color: #2c5052;
    }
    .form-check-input:checked {
      background-color: #3c6e71;
      border-color: #3c6e71;
    }
    .form-check-label {
      color: #333;
      font-size: 0.9rem;
    }
    .user-type-selection {
      margin-bottom: 1rem;
    }
    .user-type-label {
      font-weight: 500;
      color: #333;
      font-size: 0.9rem;
      margin-bottom: 0.5rem;
      display: block;
    }
    .user-type-selection .form-check {
      margin-right: 1.5rem;
    }
    .forgot-password {
      text-align: right;
      margin-bottom: 1rem;
    }
    .forgot-password a {
      color: #3c6e71;
      text-decoration: none;
      font-size: 0.9rem;
      transition: color 0.3s ease;
    }
    .forgot-password a:hover {
      color: #2c5052;
      text-decoration: underline;
    }
    .register-link {
      text-align: center;
      margin-top: 1rem;
    }
    .register-link a {
      color: #3c6e71;
      font-weight: 500;
      text-decoration: none;
      transition: color 0.3s ease;
    }
    .register-link a:hover {
      color: #2c5052;
      text-decoration: underline;
    }
    .footer-text {
      text-align: center;
      margin-top: 1.5rem;
      color: #6c757d;
      font-size: 0.8rem;
    }
    @media (max-width: 576px) {
      .login-container {
        margin: 1.5rem;
        padding: 2rem;
      }
      .login-header h3 {
        font-size: 1.3rem;
      }
      .login-header .slogan {
        font-size: 0.9rem;
      }
      .login-header .call-to-action {
        font-size: 0.85rem;
      }
      .user-type-selection .form-check {
        margin-right: 0;
        margin-bottom: 0.5rem;
      }
    }