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


body {

    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;

    background: linear-gradient(
        135deg,
        #667eea,
        #764ba2
    );

}



.container {

    background: white;

    width: 380px;

    padding: 30px;

    border-radius: 20px;

    text-align: center;

    box-shadow: 0 15px 30px rgba(0,0,0,0.2);

}



h1 {

    margin-bottom: 10px;
    color: #333;

}



p {

    color: #666;

    margin-bottom: 20px;

}



input {

    width: 100%;

    padding: 12px;

    border-radius: 8px;

    border: 1px solid #ccc;

    font-size: 16px;

    outline: none;

}



input:focus {

    border-color: #667eea;

}



.buttons {

    display:flex;

    gap:10px;

    margin-top:20px;

}



button {

    flex:1;

    padding:12px;

    border:none;

    border-radius:8px;

    cursor:pointer;

    background:#667eea;

    color:white;

    font-size:15px;

}



button:hover {

    opacity:0.9;

}



.clear {

    background:#ff4757;

}



#qrcode {

    margin-top:25px;

    display:flex;

    justify-content:center;

}



#qrcode img {

    padding:10px;

    border:5px solid #eee;

}



.download {

    display:none;

    margin-top:20px;

    padding:10px 20px;

    background:#2ed573;

    color:white;

    text-decoration:none;

    border-radius:8px;

}