body{
    margin:0;
    font-family:Arial;
    background:#0b0b0f;
    color:#fff;
}

.container{
    max-width:900px;
    margin:auto;
    padding:30px 15px;
}

.header{
    text-align:center;
}

.header h1{
    font-size:32px;
}

.header p{
    color:#aaa;
}

.box{
    background:#141420;
    padding:20px;
    border-radius:12px;
    margin-top:20px;
}

input{
    width:100%;
    padding:12px;
    margin-top:10px;
    border:none;
    border-radius:8px;
    background:#0f0f15;
    color:#fff;
}

.result{
    margin-top:20px;
    padding:10px;
    background:#0f0f15;
    border-radius:8px;
}

p{
    color:#cbd5e1;
}

.content{
    margin-top:30px;
}

h2{
    margin-top:20px;
}

ul{
    margin-left:20px;
    color:#cbd5e1;
}

.footer{
    text-align:center;
    margin-top:30px;
    color:#666;
}