*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'poppins', sans-serif;
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    /* Gradasi abu-abu ke kehijauan yang lembut */
    background: linear-gradient(-40deg, #e2e2e2, #d1e7dd, #b8e6c7, #e2e2e2);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}
@keyframes gradientBG{
    0%{background-position: 0% 50%;}
    50%{background-position: 100% 50%;}
    100%{background-position: 0% 50%;}
}

.container{
    position: relative;
    width: 850px;
    height: 550px;
    background: #fff;
    border-radius: 30px;
    box-shadow: 0 0 30px rgba(0, 0, 0, .2);
    margin: 20px;
    overflow: hidden;
}
.form-box{
    position: absolute;
    right: 0;
    width: 50%;
    height: 100%;
    background: #fff;
    display: flex;
    align-items: center;
    color: #333;
    text-align: center;
    padding: 40px;
    z-index: 1;
    transition: .6s ease-in-out 1.2s, visibility 0s 1s;
}
.container.active .form-box{
    right: 50%;
}
.container.active .form-box.register{
    visibility: visible;
}
.form-box.register{
    visibility: hidden;
}
form{
    width: 100%;
}

.container h1{
    font-size: 36px;
    margin: -10px 0 20px;
}
.input-box{
    position: relative;
    margin: 30px 0;
}
.input-box input{
    width: 100%;
    padding: 13px 50px 13px 20px;
    background: #eee;
    border-radius: 8px;
    border: none;
    outline: none;
    font-size: 16px;
    color: #333;
    font-weight: 500;
}
.input-box input::placeholder{
    color: #888;
    font-weight: 400;
}
.input-box input:focus{
    outline: 2px solid #1a7e4b; /* Hijau fokus */
    box-shadow: 0 0 5px rgba(26, 126, 75, 0.5);
    transition: .1s;
}
.input-box i{
    color: #888;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
}
.forgot-link{
    margin: -15px 0 15px;
}

.forgot-link a{
    font-size: 14.5px;
    color: #333;
    text-decoration: none;
}
.btn{
    width: 100%;
    height: 48px;
    background: #1a7e4b; /* Hijau tombol */
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, .1);
    border: none;
    cursor: pointer;
    font-size: 16px;
    color: #fff;
    font-weight: 600;
    transition: 0.3s;
}
.btn:hover{
    background: #15663c;
}

.container p{
    font-size: 14.5px;
    margin: 15px 0;
}

.toggle-box{
    position: absolute;
    width: 100%;
    height: 100%;
}
.toggle-box::before{
    content: '';
    left: -250%;
    border-radius: 150px;
    position: absolute;
    width: 300%;
    height: 100%;
    background: #1a7e4b; /* Hijau latar toggle */
    z-index: 2;
    transition: 1.8s ease-in-out;
}
.container.active .toggle-box::before{
    left: 50%;
}
.toggle-panel{
    position: absolute;
    width: 50%;
    height: 100%;
    color: #fff;
    display: flex;
    flex-direction: column;
    text-align: center;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: .6s ease-in-out;
}
.toggle-panel.toggle-left{
    left: 0;
    transition-delay: 1.2s;
}
.container.active .toggle-panel.toggle-left{
    left: -50%;
    transition-delay: .6s;
}
.toggle-panel.toggle-right{
    right: -50%;
    transition-delay: .6s;
}
.container.active .toggle-panel.toggle-right{
    right: 0;
    transition-delay: 1.2s;
}
.toggle-panel p{
    margin-bottom: 20px;
}
.toggle-panel .btn{
    width: 160px;
    height: 46px;
    background: transparent;
    border: 2px solid #fff;
    box-shadow: none;
}

@media screen and (max-width: 650px) {
    .container{
        height: calc(100vh - 40px);
    }
    .form-box{
        bottom: 0;
        width: 100%;
        height: 70%;
    }
    .container.active .form-box {
        right: 0;
        bottom: 30%;
    }
    .toggle-box::before{
        left: 0;
        top: -270%;
        width: 100%;
        height: 300%;
        border-radius: 20vw;
    }
    .container.active .toggle-box::before{
        left: 0;
        top: 70%;
    }
    .toggle-panel{
        width: 100%;
        height: 30%;
    }
    .toggle-panel.toggle-left{
        top: 0;
    }
    .container.active .toggle-panel.toggle-left{
        left: 0;
        top: -30%;
    }
    .toggle-panel.toggle-right{
        right: 0;
        bottom: -30%;
    }
    .container.active .toggle-panel.toggle-right{
        bottom: 0;
    }
}
@media screen and (max-width: 650px) {
    .form-box{
        padding: 20px;
    }
    .toggle-panel h1{
        font-size: 30px;
    }
}

/* Tambahan untuk Info Panel di mobile */
@media screen and (max-width: 650px) {
    .info-panel {
        justify-content: flex-end;
        padding-bottom: 30px;
    }
    .info-panel .brand-title {
        font-size: 26px;
    }
    .info-panel .brand-subtitle {
        font-size: 13px;
        margin-bottom: 20px;
    }
    .info-divider {
        margin-bottom: 20px;
    }
}