*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:Arial, sans-serif;
    background:#f3f4f6;
    padding:20px;
}

.container{
    max-width:900px;
    margin:auto;
    background:white;
    padding:20px;
    border-radius:10px;
    box-shadow:0 0 10px rgba(0,0,0,0.1);
}

h1{
    text-align:center;
    margin-bottom:20px;
}

textarea{
    width:100%;
    min-height:220px;
    padding:15px;
    border:1px solid #ccc;
    border-radius:8px;
    resize:vertical;
    font-size:16px;
}

button{
    width:100%;
    margin-top:15px;
    padding:14px;
    background:#2563eb;
    color:white;
    border:none;
    border-radius:8px;
    font-size:18px;
    cursor:pointer;
}

button:hover{
    background:#1d4ed8;
}

.result-box{
    margin-top:25px;
}

h2{
    margin-bottom:10px;
}

/* Mobile Responsive */

@media(max-width:600px){

    .container{
        padding:15px;
    }

    h1{
        font-size:24px;
    }

    textarea{
        min-height:180px;
        font-size:14px;
    }

    button{
        font-size:16px;
        padding:12px;
    }
}