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

body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: #f0f2f5;
    font-family: Arial, sans-serif;
}

.qr-container {
    text-align: center;
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    width: 90%;
    max-width: 400px;
}

.qr-container h1 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #333;
}

.qr-reader {
    margin: 10px 0;
    width: 100%;
    max-width: 320px;
}

#result {
    margin-top: 15px;
    font-size: 18px;
    color: #007bff;
}