.qr-generator-container {
    background: #1e1e1e;
    color: #ffffff;
    padding: 20px;
    max-width: 400px;
    margin: auto;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
}
.qr-generator-container input[type="text"],
.qr-generator-container input[type="color"],
.qr-generator-container input[type="number"] {
    margin: 8px 0;
    padding: 8px;
    width: 90%;
    border: none;
    border-radius: 5px;
}
.qr-generator-container button {
    padding: 10px 20px;
    margin-top: 10px;
    background: #00c853;
    border: none;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}
#qr-result img {
    margin-top: 15px;
    max-width: 100%;
}
.powered-by {
    font-size: 0.9em;
    margin-top: 15px;
    opacity: 0.7;
}