*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Inter,Arial,sans-serif;
}

body{
    background:#050505;
    color:#fff;
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    padding:30px;
}

.container{
    width:100%;
    max-width:700px;
}

h1{
    text-align:center;
    font-size:42px;
    font-weight:700;
}

.subtitle{
    text-align:center;
    color:#888;
    margin:10px 0 35px;
}

.card{
    background:#0d0d0d;
    border:2px solid #222;
    border-radius:24px;
    padding:30px;
}

.drop-zone{
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    text-align:center;
    border:2px dashed #333;
    border-radius:20px;
    padding:60px 20px;
    cursor:pointer;
    transition:.25s;
    user-select:none;
}

.drop-zone:hover{
    border-color:#fff;
    background:#101010;
}

.drop-zone.dragover{
    border-color:#fff;
    background:#151515;
    transform:scale(1.01);
}

.icon{
    font-size:70px;
    margin-bottom:15px;
}

.drop-zone h2{
    font-size:28px;
    margin-bottom:8px;
}

.drop-zone p{
    color:#888;
}

.info{
    margin-top:25px;
    text-align:center;
    color:#bbb;
    font-size:17px;
}

#zipBtn{
    width:100%;
    margin-top:25px;
    background:#fff;
    color:#000;
    border:none;
    border-radius:16px;
    padding:18px;
    font-size:18px;
    font-weight:600;
    cursor:pointer;
    transition:.2s;
}

#zipBtn:hover:not(:disabled){
    transform:translateY(-2px);
}

#zipBtn:disabled{
    opacity:.5;
    cursor:not-allowed;
}

@media(max-width:600px){

    h1{
        font-size:34px;
    }

    .card{
        padding:20px;
    }

    .drop-zone{
        padding:40px 15px;
    }

    .icon{
        font-size:55px;
    }

    .drop-zone h2{
        font-size:22px;
    }

}