/* Fullscreen styles */
.flipbook-viewport.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    z-index: 2000;
}

.fullscreen .container {
    width: 100%;
    height: 100%;
}

.fullscreen .flipbook {
    margin: 0 auto;
    width: 100%;
    height: 100%;
}

/* Hide shade when in fullscreen */
.fullscreen-active .shade {
    display: none;
}

/* Adjust controls in fullscreen mode */
.fullscreen-active .bottom {
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 2001;
    background: rgba(0, 0, 0, 0.5);
}