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

body {
    font-family: Arial, sans-serif;
    height: 100vh;
    overflow: hidden;
}

.container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

.column {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.left-column {
    background-image: url('assets/images/bk1.png');
}

.right-column {
    background-image: url('assets/images/bk2.png');
}

.qr-container {
    background: transparent;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.qr-code {
    max-width: 200px;
    max-height: 200px;
    width: 300px;
    height: 300px;
    border-radius: 10px;
    cursor: pointer;
}

/* Mobile responsiveness - vertical layout */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    
    .column {
        height: 50vh;
    }
    
    .qr-container {
        padding: 15px;
    }
    
    .qr-code {
        max-width: 150px;
        max-height: 150px;
    }
}

/* Extra small devices */
@media (max-width: 480px) {
    .qr-container {
        padding: 10px;
        margin: 10px;
    }
    
    .qr-code {
        max-width: 120px;
        max-height: 120px;
    }
}

/* Hover effects for desktop */
@media (min-width: 769px) {
    .qr-container:hover {
        transform: scale(1.05);
        transition: transform 0.3s ease;
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    }
    
    .column:hover {
        filter: brightness(1.1);
        transition: filter 0.3s ease;
    }
}