/* Copyright 2016 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

:root {
    --progressBar-percent: 0%;
}

* {
    padding: 0;
    margin: 0;
}

html {
    height: 100%;
    width: 100%;
    overflow: hidden;
    font-size: 10px;
}

header {
    background-color: rgba(244, 244, 244, 1);
}

header h1 {
    border-bottom: 1px solid rgba(216, 216, 216, 1);
    color: rgba(133, 133, 133, 1);
    font-size: 23px;
    font-style: italic;
    font-weight: normal;
    overflow: hidden;
    padding: 10px;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
}

body {
    background: url(images/document_bg.png);
    color: rgba(255, 255, 255, 1);
    font-family: sans-serif;
    font-size: 10px;
    height: 100%;
    width: 100%;
    overflow: hidden;
    padding-bottom: 5rem;
}

section {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-size: 2rem;
}

footer {
    background-image: url(images/toolbar_background.png);
    height: 4rem;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1;
    box-shadow: 0 -0.2rem 0.5rem rgba(50, 50, 50, 0.75);
}

.toolbarButton {
    display: block;
    padding: 0;
    margin: 0;
    border-width: 0;
    background-position: center center;
    background-repeat: no-repeat;
    background-color: rgba(0, 0, 0, 0);
}

.toolbarButton.pageUp {
    position: absolute;
    width: 18%;
    height: 100%;
    left: 0;
    background-image: url(images/icon_previous_page.png);
    background-size: 2rem;
}

.toolbarButton.pageDown {
    position: absolute;
    width: 18%;
    height: 100%;
    left: 18%;
    background-image: url(images/icon_next_page.png);
    background-size: 2rem;
}

#pageNumber {
    -moz-appearance: textfield; /* hides the spinner in moz */
    position: absolute;
    width: 28%;
    height: 100%;
    left: 36%;
    text-align: center;
    border: 0;
    background-color: rgba(0, 0, 0, 0);
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 1);
    background-image: url(images/div_line_left.png),
    url(images/div_line_right.png);
    background-repeat: no-repeat;
    background-position: left, right;
    background-size: 0.2rem, 0.2rem;
}

.toolbarButton.zoomOut {
    position: absolute;
    width: 18%;
    height: 100%;
    left: 64%;
    background-image: url(images/icon_zoom_out.png);
    background-size: 2.4rem;
}

.toolbarButton.zoomIn {
    position: absolute;
    width: 18%;
    height: 100%;
    left: 82%;
    background-image: url(images/icon_zoom_in.png);
    background-size: 2.4rem;
}

.toolbarButton[disabled] {
    opacity: 0.3;
}

.hidden {
    display: none;
}
[hidden] {
    display: none !important;
}

#viewerContainer {
    position: absolute;
    overflow: auto;
    width: 100%;
    top: 2.2rem;
    bottom: 4rem;
    left: 0;
    right: 0;
}

canvas {
    margin: auto;
    display: block;
}

.pdfViewer .page .loadingIcon {
    width: 2.9rem;
    height: 2.9rem;
    background: url("images/spinner.png") no-repeat left top / 38rem;
    border: medium none;
    animation: 1s steps(10, end) 0s normal none infinite moveDefault;
    display: block;
    position: absolute;
    top: calc((100% - 2.9rem) / 2);
    left: calc((100% - 2.9rem) / 2);
}

@keyframes moveDefault {
    from {
        background-position: 0 top;
    }

    to {
        background-position: -39rem top;
    }
}

#loadingBar {
    position: relative;
    height: 0.6rem;
    background-color: rgba(51, 51, 51, 1);
    border-bottom: 1px solid rgba(51, 51, 51, 1);
}

#loadingBar .progress {
    position: absolute;
    left: 0;
    width: 100%;
    transform: scaleX(var(--progressBar-percent));
    transform-origin: 0 0;
    height: 100%;
    background-color: rgba(221, 221, 221, 1);
    overflow: hidden;
    transition: transform 200ms;
}

@keyframes progressIndeterminate {
    0% {
        transform: translateX(0%);
    }
    50% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(100%);
    }
}

#loadingBar.indeterminate .progress {
    transform: none;
    background-color: rgba(153, 153, 153, 1);
    transition: none;
}

#loadingBar.indeterminate .progress .glimmer {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 5rem;
    background-image: linear-gradient(
            to right,
            rgba(153, 153, 153, 1) 0%,
            rgba(255, 255, 255, 1) 50%,
            rgba(153, 153, 153, 1) 100%
    );
    background-size: 100% 100%;
    background-repeat: no-repeat;
    animation: progressIndeterminate 2s linear infinite;
}

#errorWrapper {
    background: none repeat scroll 0 0 rgba(255, 85, 85, 1);
    color: rgba(255, 255, 255, 1);
    left: 0;
    position: absolute;
    right: 0;
    top: 3.2rem;
    z-index: 1000;
    padding: 0.3rem;
    font-size: 0.8em;
}

#errorMessageLeft {
    float: left;
}

#errorMessageRight {
    float: right;
}

#errorMoreInfo {
    background-color: rgba(255, 255, 255, 1);
    color: rgba(0, 0, 0, 1);
    padding: 0.3rem;
    margin: 0.3rem;
    width: 98%;
}