body{
    font-family: sans-serif;
    background:#f5f5f5;
}

.container{
    max-width:600px;
    margin:40px auto;
    background:#fff;
    padding:25px;
    border-radius:12px;
}

input{
    width:100%;
    padding:12px;
    margin-bottom:20px;
    font-size:16px;
}

button{
    padding:10px 18px;
    margin:5px;
    cursor:pointer;
}
#resultArea{
    margin-top:20px;
    display:flex;
    flex-wrap:wrap;
    gap:10px;
}

#resultArea button{
    background:#0078ff;
    color:white;
    border:none;
    border-radius:8px;
    padding:12px 18px;
    font-size:16px;
}
#history{
    margin-top:20px;
    display:flex;
    flex-wrap:wrap;
    gap:10px;
}

#history button{
    background:#eeeeee;
    border:none;
    border-radius:8px;
    padding:10px 15px;
    cursor:pointer;
}

#history button:hover{
    background:#dddddd;
}