html{
    overflow: auto;
}
body {
    font-family: 'Kanit', sans-serif;
    background: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    overflow: hidden;
    animation: backgroundAnimation 10s infinite alternate;
}

@keyframes backgroundAnimation {
    0% { background: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 100%); }
    50% { background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%); }
    100% { background: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%); }
}

.container {
    background: rgba(255, 255, 255, 0.8);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    animation: containerAnimation 1s ease-in-out;
}

@keyframes containerAnimation {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

h1 {
    margin-bottom: 20px;
    color: #333;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

input[type="url"] {
    width: 80%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: all 0.3s ease-in-out;
}

input[type="url"]:focus {
    border-color: #007bff;
    box-shadow: 0 0 8px rgba(0, 123, 255, 0.5);
}

button {
    padding: 10px 20px;
    border: none;
    background: #007bff;
    color: #fff;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 10px;
    transition: background 0.3s ease-in-out;
}

button:hover {
    background: #0056b3;
}

.action-button {
    display: block;
    width: 80%;
    margin: 10px auto;
    padding: 10px;
    background: #28a745;
    color: #fff;
    border-radius: 5px;
    text-align: center;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s ease-in-out;
}

.action-button:hover {
    background: #218838;
}

#result {
    margin-top: 20px;
    font-size: 16px;
    animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

#qrcode {
    margin: 20px auto;
    width: fit-content;
    padding: 10px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    animation: glow 1.5s infinite alternate;
}

@keyframes glow {
    0% { box-shadow: 0 0 5px #007bff; }
    100% { box-shadow: 0 0 20px #007bff; }
}