body {
    background: #fff;
}

main {
    min-height: 100vh;
    display: flex;
}

.left {
    position: relative;
    width: 50%;
    background: linear-gradient(145deg,
            rgba(241, 235, 255, 1) 0%,
            rgb(191, 162, 248) 50%,
            rgba(241, 235, 255, 1) 100%);
}

/* Logo มุมซ้ายบน */
.logo-top-left {
    position: absolute;
    top: 24px;
    left: 24px;
    max-width: 100px;
    opacity: 0.9;

}

/* Illustration กลางฝั่งซ้าย */
.illustration-center {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, .08));

}


.right {
    width: 50%;
    /* ต้องสัมพันธ์กับฝั่งซ้าย */
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.logo-top-right {
    max-width: 150px;
    margin-bottom: 32px;
}

.login-box {
    width: 100%;
    max-width: 460px;
}

.login-box {
    animation: fadeUp .4s ease;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* Responsive */
@media (max-width: 768px) {
    .left {
        display: none;
    }

    .right {
        width: 100%;
    }
}