@font-face { font-family: OSans; src: url('../fonts/OpenSans.eot'), url('../fonts/OpenSans.ttf'); }
@font-face { font-family: OSansI; src: url('../fonts/OpenSansItalic.eot'), url('../fonts/OpenSansItalic.ttf'); }
@font-face { font-family: OSansB; src: url('../fonts/OpenSansBold.eot'), url('../fonts/OpenSansBold.ttf'); }
@font-face { font-family: OSansL; src: url('../fonts/OpenSansLight.eot'), url('../fonts/OpenSansLight.ttf'); }
@font-face { font-family: OSansS; src: url('../fonts/OpenSansSemibold.eot'), url('../fonts/OpenSansSemibold.ttf'); }
@font-face { font-family: Social; src: url('../fonts/SocialIcon.eot'), url('../fonts/SocialIcon.ttf'); }

body
{
    color: #555;
	font: normal 12pt 'OSans', Arial,Helvetica,sans-serif;
	line-height: 165%;
    margin: 0;
    padding: 0;
}
body, html { height: 100vh; }

.document-previewer
{
    background: #212121;
    height: 100%;
    margin: 0;
    overflow-y: auto;
    padding: 0;
    position: relative;
}

.document-previewer > .preview-panel
{
    display: block;
    height: calc(140% - 2px);
    margin: 0 auto;
    position: relative;
}

.document-previewer > .preview-panel canvas
{
    height: calc(100% - 4px);
    left: 50%;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
}

.document-previewer > img.as-image 
{
    display: block;
    margin: 0 auto;
    width: 60%; 
}

.page-nav, .chapter-nav
{
    background-color: rgba(0, 0, 0, .8);
    background-repeat: no-repeat;
    border: none;
    cursor: pointer;
    font-size: 1em;
    height: 80px;
    opacity: .4;
    position: fixed;
    top: 50%;
    transition: opacity .25s, width .25s;
    -webkit-transition: opacity .25s, width .25s;
    transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    width: 80px;
    z-index: 5;
}
.chapter-nav { display: none; }
.page-nav:hover, .chapter-nav:hover { opacity: 1; }
.page-nav.prev,
{
    background-position: left center;
    left: 0; 
}
.page-nav.prev { background-image: url('../../images/public/page_nav_prev.png'); }
.chapter-nav.prev { background-image: url('../../images/public/chapter_nav_prev.png'); }
.page-nav.next, .chapter-nav.next
{
    background-position: right center;
    right: 24px; 
}
.page-nav.next { background-image: url('../../images/public/page_nav_next.png'); }
.chapter-nav.next { background-image: url('../../images/public/chapter_nav_next.png'); }

.page-nav label, .chapter-nav label
{
    color: #ccc;
    font-size: 1em;
    font-family: 'OSansL';
    opacity: 0;
    position: absolute;
    text-transform: uppercase;
    top: 50%;
    transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    transition: opacity .25s;
    -webkit-transition: opacity .25s;
    white-space: nowrap;
}
.page-nav:hover label, .chapter-nav:hover label { opacity: 1; }
.page-nav.prev label, .chapter-nav.prev label { left: 80px; }
.page-nav.next label, .chapter-nav.next label { right: 80px; }
.page-nav.prev:hover { width: 235px; }
.page-nav.next:hover { width: 196px; }
.chapter-nav.next:hover { width: 227px; }
.chapter-nav.prev:hover { width: 266px; }

.page-panel
{
    background: rgba(0, 0, 0, .8);
    bottom: 20px;
    box-sizing: border-box;
    color: #ccc;
    left: 20px;
    padding: 10px 20px;
    position: fixed;
    z-index: 5;
}

@media only screen and (max-width: 800px) {
    .page-nav, .chapter-nav
    {
        height: 40px;
        width: 40px;
    }
    .page-nav.prev, .chapter-nav.prev { background-position: left -20px top -20px; }
    .page-nav.next, .chapter-nav.next { background-position: right -20px top -20px; }
    .page-nav.prev:hover, .page-nav.next:hover, .chapter-nav.next:hover, .chapter-nav.prev:hover { width: 40px; }
    .page-nav label, .chapter-nav label { display: none; }
    .page-panel { padding: 5px 10px; }
}