body,
    html {
        height: 100vh;
        background-color: #333;
        color: #fff;
    }

    .left-section {
        background: #fff;
    }

    .right-section {
        background: linear-gradient(135deg, #480003, #ff3d00); /* Updated gradient */
        color: #fff;
    }

    .login-btn {
        background-color: #3f9cff;
        color: #fff;
        font-weight: bold;
    }

    .login-btn:hover {
        background-color: #338fd9;
    }

    .error-message {
        color: #ffb3b3;
        font-size: 0.9em;
        margin-top: 10px;
        text-align: center;
    }

    .container-fluid {
        padding-left: 0;
        padding-right: 0;
    }