/* Copyright (c) 2011 The Chromium Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 *
 * This is the stylesheet used by the touch-enabled new tab page
 */

html {
  /* It's necessary to put this here instead of in body in order to get the
     background-size of 100% to work properly */
  height: 100%;
}

body {
  /* This newer linear-gradient form works on Chrome but not mobile Safari */
  /*background: -webkit-linear-gradient(top,#252c39,#3e485b,#252c39); */
  background: -webkit-gradient(linear, left top, left bottom, from(#252c39),
              color-stop(0.5,#3e485b), to(#252c39));
  background-size: auto 100%;
  font-family: segoe ui, arial, helvetica, sans-serif;
  font-size: 14px;
  color: white;
  margin: 0;
  /* Don't highlight links when they're tapped.  Safari has bugs here that
     show up as flicker when dragging in some situations */
  -webkit-tap-highlight-color: transparent;
  /* Don't allow selecting text - can occur when dragging */
  -webkit-user-select: none;
}

/* The frame is what the slider fits into
 */
#apps-frame {
  /* We want this to fill the window except for the region used
     by footer
  */
  position: fixed;
  width: 100%;
  top: 0;
  bottom: 60px;     /* must match #footer height */
  overflow: hidden;
}

/* The list holds all the pages and is what the touch events are attached to
*/
#apps-page-list {
  /* fill the apps-frame */
  height: 100%;
  display: -webkit-box;
}

/* The apps-page is the slider card that is moved.
 */
.apps-page {
  -webkit-box-sizing: border-box;
  padding: 29px;
  /* TODO(rbyers): Don't want the final row centered, but would like all rows
   * centered.  Really I want the page-content width determined by the boxes
   * inside of it, but perhaps webkit-box doesn't support that.
   * Note that instead of display:inline-block for the apps, I could use
   * float:left and have a .app-container:first-child { clear:both; } rule,
   * but I'd have to figure out some way to get the vertical position reset.
  text-align:center; */
}

.app-container {
  width: 128px;
  height: 128px;
  padding: 16px;
  display: inline-block;
  vertical-align: top;
}

.app {
  text-align: center;
  width: 128px;
  height: 128px;
  /* Animate effects to/from the grabbed state, and the position when drop
     is cancelled.  I'd like to also animate movement when an app is
     re-positioned, but since chrome is doing the layout there is no property
     to animate.
     TODO(rbyers): Should we take over responsibility for app layout ourself
     like the classic NTP's most-visited icons?  Or should we extend webkit
     somehow to support animation of the position of browser laid-out
     elements. */
  -webkit-transition-property: -webkit-transform, opacity, zIndex;
  -webkit-transition-duration: 200ms;
  /* Don't offer the context menu on long-press. */
  -webkit-touch-callout: none;
  /* Work-around regression bug 74802 */
  -webkit-transform: scale3d(1, 1, 1);
}

.app span {
  text-decoration: none;
  /* TODO(rbyers): why isn't ellipsis working? */
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  color: white;
}

.app img {
  display: block;
  width: 96px;
  height: 96px;
  margin-left: auto;
  margin-right: auto;
  /* -webkit-mask-image set by JavaScript to the image source */
  -webkit-mask-size: 100% 100%;
}

/* Pressed is set when an app is first touched.
   By using the mask, pressing causes a darkening effect of just the image */
.app.grabber-pressed img {
  opacity: 0.8;
}

/* Grabbed is set (and pressed is cleared) when the app has been held. */
.grabber-grabbed {
  opacity: 0.8;
  -webkit-transform: scale3d(1.4, 1.4, 1);
}

/* Dragging is set (without grabbed being cleared) when a grabbed app is
   moved */
.grabber-dragging {
  /* We need to ensure there is no animation applied to its position
    (or the drag touch may stop being over top of it */
  -webkit-transition: none !important;

  /* Ensure the element has a large z-index so that we can get events
     for it as it moves over other elements.  This is animated as the
     element flys back, so we want a large value that will stay large until
     its almost home.  */
  z-index: 100;
}

#footer {
  width: 100%;
  position: absolute;
  bottom: 0;
  height: 60px;    /* must match #apps-frame bottom */
  overflow: hidden;
}

#dot-list {
  text-align: center;
  margin: 0;
  padding: 0;
  bottom: 0;
  list-style-type: none;
  margin-top: 20px;
}

.dot {
  display: inline-block;
  margin: 10px;
  width: 10px;
  height: 10px;
  background-color: #3d465f;
  -webkit-box-sizing: border-box;
  border: 1px solid black;
  -webkit-border-radius: 2px;
  -webkit-transition-property: width, height, margin, -webkit-transform;
  -webkit-transition-duration: 500ms;
  /* Work-around regression bug 74802 */
  -webkit-transform: translate3d(0, 0, 0);
}

#footer.rearrange-mode .dot {
  margin: 0px 20px;
  width: 30px;
  height: 30px;
}

.dot.selected {
  background-color: #b3bbd3;
}

.dot.new {
  -webkit-transform: translate3d(0, 40px, 0);
}

#trash {
  position: absolute;
  width: 110px;
  height: 100%;
  right: 0px;
  bottom: 0px;
  background-image: url('../shared/images/trash.png');
  background-size: 40px 40px;
  background-repeat: no-repeat;
  background-position: 40px 12px;
  /* Work-around chromium bug 74730 by using translate instead of the
     GPU-accelerated translate3d */
  -webkit-transform: translate(80px, 0);
  -webkit-transition-property: -webkit-transform;
  -webkit-transition-duration: 500ms;
}

#trash.hover {
  background-image: url('../shared/images/trash-open.png');
}

.app.trashing img {
  opacity: 0.3;
}

#footer.rearrange-mode #trash {
  -webkit-transform: translate(0, 0);
}

/* Ensure template items are never drawn when the page initially loads */
#app-template {
  display: none;
}