body 
{
    background: #f0f2f5;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
/* Login Page Start  */
.login-wrapper {
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    overflow: hidden;
    max-width: 900px;
    width: 100%;
}
.login-image-mobile {
    display: none;
}

.login-image {
    background: no-repeat center center;
    background-size: contain;
    height: 50vh;
}

.login-card {
    padding: 40px;
}

.login-card img {
    width: 200px;
    margin-bottom: 20px;
}

.invalid-feedback {
    min-height: 20px;          /* Reserve space */
    display: block;            /* Keep space even if hidden */
    margin-top: 4px;
    font-size: 0.85rem;
    color: #dc3545;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
}

.was-validated .form-control:invalid ~ .invalid-feedback,
.form-control.is-invalid ~ .invalid-feedback {
    opacity: 1;
}

.form-control.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.15rem rgba(220, 53, 69, 0.25);
}

/* ===== CAPTCHA VALIDATION SUPPORT ===== */

#captcha-wrapper.is-invalid .invalid-feedback {
    opacity: 1;
}

#captcha-wrapper.is-invalid {
    text-align:left;
}

@media (max-width: 768px) {
    .login-image {
        display: none;
    }
    .login-image-mobile {
        display: block;
        text-align: center;
    }
    .login-image-mobile img {
        width: 100%;
        max-width: 100vw; /* biar nggak kebesaran */
        height: auto; 
        border-radius: 10px 10px 0 0;
    }
}
/* Login Page End */