.container-1600 {
        max-width: 1600px;
        }
        .main-card {
            border-radius: 20px;
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
            background: #f8f9fa;

        }

        .login-box {
            background: #ffffff;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }

        .form-control {
            border-radius: 10px;
        }

        .btn-login {
            border-radius: 25px;
            padding: 8px 30px;
        }

        .header-title {
            font-weight: 600;
            color: #198754;
        }

        .sub-text {
            font-size: 14px;
            color: #6c757d;
        }
        .btn-login{
            background-color:#3BA3DD;
        }