/*
 * Copyright 2017 Trim-marks Inc.
 *
 * Vivliostyle.js is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Vivliostyle.js is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Vivliostyle.js.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

@media screen {
  [data-vivliostyle-viewer-viewport] {
    background: #aaaaaa;
  }

  [data-vivliostyle-page-container] {
    background: white;
    z-index: 0;
  }

  [data-vivliostyle-viewer-viewport] {
    display: -webkit-flex;
    display: flex;
    overflow: auto;
    position: relative;
  }

  [data-vivliostyle-outer-zoom-box] {
    margin: auto;
    overflow: hidden;
    -webkit-flex: none;
    flex: none;
  }

  [data-vivliostyle-viewer-viewport] [data-vivliostyle-spread-container] {
    display: -webkit-flex;
    display: flex;
    -webkit-flex: none;
    flex: none;
    -webkit-justify-content: center;
    justify-content: center;
    -moz-transform-origin: left top;
    -ms-transform-origin: left top;
    -webkit-transform-origin: left top;
    transform-origin: left top;
  }

  [data-vivliostyle-viewer-viewport][data-vivliostyle-page-progression="ltr"]
    [data-vivliostyle-spread-container] {
    -webkit-flex-direction: row;
    flex-direction: row;
  }

  [data-vivliostyle-viewer-viewport][data-vivliostyle-page-progression="rtl"]
    [data-vivliostyle-spread-container] {
    -webkit-flex-direction: row-reverse;
    flex-direction: row-reverse;
  }

  [data-vivliostyle-viewer-viewport] [data-vivliostyle-page-container] {
    margin: 0 auto;
    -webkit-flex: none;
    flex: none;
    transform-origin: center top;
  }

  [data-vivliostyle-viewer-viewport][data-vivliostyle-spread-view="true"]
    [data-vivliostyle-page-container][data-vivliostyle-page-side="left"] {
    margin-right: 1px;
    transform-origin: right top;
  }

  [data-vivliostyle-viewer-viewport][data-vivliostyle-spread-view="true"]
    [data-vivliostyle-page-container][data-vivliostyle-page-side="right"] {
    margin-left: 1px;
    transform-origin: left top;
  }

  [data-vivliostyle-viewer-viewport][data-vivliostyle-spread-view="true"]
    [data-vivliostyle-page-container][data-vivliostyle-unpaired-page="true"] {
    margin-left: auto;
    margin-right: auto;
    transform-origin: center top;
  }
}