/**
 * Copyright 2015 Google Inc. All Rights Reserved.
 *
 * 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.
 */

@import "../variables";
@import "../mixins";

// Navigation classes. Only used here for now, but we may at some point move
// this to its own component.
.mdl-navigation {
  display: flex;
  flex-wrap: nowrap;
  box-sizing: border-box;
}

.mdl-navigation__link {
  color: $layout-text-color;
  text-decoration: none;
  margin: 0;
  @include typo-body-1(true);

  // Align icons inside link with text
  & .material-icons {
  vertical-align: middle;
  }
}

// Main layout class.
.mdl-layout {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  -webkit-overflow-scrolling: touch;
}

// Utility classes for screen sizes.
.mdl-layout.is-small-screen .mdl-layout--large-screen-only {
  display: none;
}

.mdl-layout:not(.is-small-screen) .mdl-layout--small-screen-only {
  display: none;
}

.mdl-layout__container {
  position: absolute;
  width: 100%;
  height: 100%;
}


  // Optional utility classes for formatting special blocks in this component.
  .mdl-layout__title,
  .mdl-layout-title {
  display: block;
  position: relative;

  @include typo-title();
  font-weight: 400;
  box-sizing: border-box;
  }

  .mdl-layout-spacer {
  flex-grow: 1;
  }


  // Drawer.
  .mdl-layout__drawer {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;

  width: $layout-drawer-width;
  height: 100%;
  max-height: 100%;

  position: absolute;
  top: 0;
  left: 0;

  @include shadow-2dp();

  box-sizing: border-box;
  border-right: 1px solid $layout-drawer-border-color;
  background: $layout-drawer-bg-color;

  // Transform offscreen.
  transform: translateX(-$layout-drawer-width - 10px);
  transform-style: preserve-3d;
  will-change: transform;

  @include material-animation-default();
  transition-property: transform;

  color: $layout-text-color;

  overflow: visible;
  overflow-y: auto;

  z-index: 5;

  &.is-visible {
    transform: translateX(0);
    & ~ .mdl-layout__content.mdl-layout__content {
    overflow: hidden;
    }
  }

  & > * {
    flex-shrink: 0;
  }

  & > .mdl-layout__title,
  & > .mdl-layout-title {
    line-height: $layout-desktop-header-height;
    padding-left: $layout-header-desktop-indent;

    @media screen and (max-width: $layout-screen-size-threshold) {
    line-height: $layout-mobile-header-height;
    padding-left: $layout-header-mobile-indent;
    }
  }

  & .mdl-navigation {
    flex-direction: column;
    align-items: stretch;
    padding-top: 16px;

    & .mdl-navigation__link {
    display: block;
    flex-shrink: 0;
    padding: 16px $layout-header-desktop-indent;
    margin: 0;
    color: $layout-drawer-navigation-color;

    @media screen and (max-width: $layout-screen-size-threshold) {
      padding: 16px $layout-header-mobile-indent;
    }

    &:hover {
      background-color: $layout-nav-color;
    }

    &--current {
      background-color: $layout-drawer-navigation-link-active-background;
      color: $layout-drawer-navigation-link-active-color;
    }
    }
  }

  @media screen and (min-width: $layout-screen-size-threshold + 1px) {
    .mdl-layout--fixed-drawer > & {
    transform: translateX(0);
    }
  }
  }


  // Drawer button.
  // TODO(sgomes): Replace with an icon button when we have that component.
  .mdl-layout__drawer-button {
  display: block;

  position: absolute;
  height: $layout-drawer-button-desktop-size;
  width: $layout-drawer-button-desktop-size;
  border: 0;

  flex-shrink: 0;

  overflow: hidden;
  text-align: center;
  cursor: pointer;
  font-size: 26px;
  line-height: $layout-mobile-header-height;
  font-family: Helvetica, Arial, sans-serif;
  margin: ($layout-mobile-header-height - $layout-drawer-button-desktop-size) 12px;
  top: 0;
  left: 0;
  color: $layout-header-text-color;

  z-index: 4;

  .mdl-layout__header & {
    position: absolute;
    color: $layout-header-text-color;
    background-color: inherit;

    @media screen and (max-width: $layout-screen-size-threshold) {
    margin: 4px;
    }
  }

  @media screen and (max-width: $layout-screen-size-threshold) {
    margin: 4px;
    color: rgba(0, 0, 0, 0.5);
  }

  @media screen and (min-width: $layout-screen-size-threshold + 1px) {
    line-height: 54px;

    .mdl-layout--no-desktop-drawer-button &,
    .mdl-layout--fixed-drawer > &,
    .mdl-layout--no-drawer-button & {
    display: none;
    }
  }
  }

  .mdl-layout__header {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  justify-content: flex-start;
  box-sizing: border-box;
  flex-shrink: 0;

  width: 100%;
  margin: 0;
  padding: 0;
  border: none;
  min-height: $layout-desktop-header-height;
  max-height: 1000px;
  z-index: 3;

  background-color: $layout-header-bg-color;
  color: $layout-header-text-color;

  @include shadow-2dp();
  @include material-animation-default();
  transition-property: max-height, box-shadow;

  @media screen and (max-width: $layout-screen-size-threshold) {
    min-height: $layout-mobile-header-height;
  }

  .mdl-layout--fixed-drawer.is-upgraded:not(.is-small-screen) > & {
    margin-left: $layout-drawer-width;
    width: calc(100% - #{$layout-drawer-width});
  }

  @media screen and (min-width: $layout-screen-size-threshold + 1px) {
    .mdl-layout--fixed-drawer > & {
    .mdl-layout__header-row {
      padding-left: 40px;
    }
    }
  }

  & > .mdl-layout-icon {
    position: absolute;
    left: $layout-header-desktop-indent;
    top: ($layout-desktop-header-height - $layout-header-icon-size) / 2;
    height: $layout-header-icon-size;
    width: $layout-header-icon-size;
    overflow: hidden;
    z-index: 3;
    display: block;

    @media screen and (max-width: $layout-screen-size-threshold) {
    left: $layout-header-mobile-indent;
    top: ($layout-mobile-header-height - $layout-header-icon-size) / 2;
    }
  }

  .mdl-layout.has-drawer & > .mdl-layout-icon {
    display: none;
  }

  &.is-compact {
    max-height: $layout-desktop-header-height;

    @media screen and (max-width: $layout-screen-size-threshold) {
    max-height: $layout-mobile-header-height;
    }
  }

  &.is-compact.has-tabs {
    height: $layout-desktop-header-height + $layout-tab-bar-height;

    @media screen and (max-width: $layout-screen-size-threshold) {
    min-height: $layout-mobile-header-height + $layout-tab-bar-height;
    }
  }

  @media screen and (max-width: $layout-screen-size-threshold) {
    & {
    display: none;
    }

    .mdl-layout--fixed-header > & {
    display: flex;
    }
  }
  }

  .mdl-layout__header--transparent.mdl-layout__header--transparent {
    background-color: transparent;
    box-shadow: none;
  }

  .mdl-layout__header--seamed {
    box-shadow: none;
  }

  .mdl-layout__header--scroll {
    box-shadow: none;
  }

  .mdl-layout__header--waterfall {
    box-shadow: none;
    overflow: hidden;

    &.is-casting-shadow {
    @include shadow-2dp();
    }

    &.mdl-layout__header--waterfall-hide-top {
    justify-content: flex-end;
    }
  }

  .mdl-layout__header-row {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    flex-shrink: 0;
    box-sizing: border-box;
    align-self: stretch;
    align-items: center;
    height: $layout-header-desktop-row-height;
    margin: 0;
    padding: 0 $layout-header-desktop-indent 0 $layout-header-desktop-baseline;

    .mdl-layout--no-drawer-button & {
    padding-left: $layout-header-desktop-indent;
    }

    @media screen and (min-width: $layout-screen-size-threshold + 1px) {
    .mdl-layout--no-desktop-drawer-button & {
      padding-left: $layout-header-desktop-indent;
    }
    }

    @media screen and (max-width: $layout-screen-size-threshold) {
    height: $layout-header-mobile-row-height;
    padding: 0 $layout-header-mobile-indent 0 $layout-header-mobile-baseline;

    .mdl-layout--no-drawer-button & {
      padding-left: $layout-header-mobile-indent;
    }
    }

    & > * {
    flex-shrink: 0;
    }

    .mdl-layout__header--scroll & {
    width: 100%;
    }

    & .mdl-navigation {
    margin: 0;
    padding: 0;
    height: $layout-header-desktop-row-height;
    flex-direction: row;
    align-items: center;

    @media screen and (max-width: $layout-screen-size-threshold) {
      height: $layout-header-mobile-row-height;
    }
    }

    & .mdl-navigation__link {
    display: block;
    color: $layout-header-text-color;
    line-height: $layout-header-desktop-row-height;
    padding: 0 24px;

    @media screen and (max-width: $layout-screen-size-threshold) {
      line-height: $layout-header-mobile-row-height;
      padding: 0 $layout-header-mobile-indent;
    }
    }
  }

  // Obfuscator.
  .mdl-layout__obfuscator {
  background-color: transparent;
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  z-index: 4;
  visibility: hidden;
  transition-property: background-color;
  @include material-animation-default();

  &.is-visible {
    background-color: rgba(0, 0, 0, 0.5);
    visibility: visible;
  }

  @supports (pointer-events: auto) {
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition-property: opacity;
    visibility: visible;
    pointer-events: none;
    &.is-visible {
    pointer-events: auto;
    opacity: 1;
    }
  }
  }


  // Content.
  .mdl-layout__content {
  // Fix IE10 bug.
  -ms-flex: 0 1 auto;

  position: relative;
  display: inline-block;
  overflow-y: auto;
  overflow-x: hidden;
  flex-grow: 1;
  z-index: 1;
  -webkit-overflow-scrolling: touch;

  .mdl-layout--fixed-drawer > & {
    margin-left: $layout-drawer-width;
  }

  .mdl-layout__container.has-scrolling-header & {
    overflow: visible;
  }

  @media screen and (max-width: $layout-screen-size-threshold) {
    .mdl-layout--fixed-drawer > & {
    margin-left: 0;
    }

    .mdl-layout__container.has-scrolling-header & {
    overflow-y: auto;
    overflow-x: hidden;
    }
  }
  }

  // Tabs.
  .mdl-layout__tab-bar {
  height: $layout-tab-bar-height * 2;
  margin: 0;
  width: calc(100% -
    #{(($layout-header-desktop-baseline - $layout-tab-desktop-padding) * 2)});
  padding: 0 0 0
    ($layout-header-desktop-baseline - $layout-tab-desktop-padding);
  display: flex;
  background-color: $layout-header-bg-color;
  overflow-y: hidden;
  overflow-x: scroll;

  &::-webkit-scrollbar {
    display: none;
  }

  .mdl-layout--no-drawer-button & {
    padding-left: $layout-header-desktop-indent - $layout-tab-desktop-padding;
    width: calc(100% -
      #{(($layout-header-desktop-indent - $layout-tab-desktop-padding) * 2)});
  }

  @media screen and (min-width: $layout-screen-size-threshold + 1px) {
    .mdl-layout--no-desktop-drawer-button & {
    padding-left: $layout-header-desktop-indent - $layout-tab-desktop-padding;
    width: calc(100% -
      #{(($layout-header-desktop-indent - $layout-tab-desktop-padding) * 2)});
    }
  }

  @media screen and (max-width: $layout-screen-size-threshold) {
    width: calc(100% -
      #{($layout-header-mobile-baseline - $layout-tab-mobile-padding)});
    padding: 0 0 0
      ($layout-header-mobile-baseline - $layout-tab-mobile-padding);

    .mdl-layout--no-drawer-button & {
    width: calc(100% -
      #{(($layout-header-mobile-indent - $layout-tab-mobile-padding) * 2)});
    padding-left: $layout-header-mobile-indent - $layout-tab-mobile-padding;
    }
  }

  .mdl-layout--fixed-tabs & {
    padding: 0;
    overflow: hidden;
    width: 100%;
  }
  }

  .mdl-layout__tab-bar-container {
  position: relative;
  height: $layout-tab-bar-height;
  width: 100%;
  border: none;
  margin: 0;
  z-index: 2;
  flex-grow: 0;
  flex-shrink: 0;
  overflow: hidden;

  .mdl-layout__container > & {
    position: absolute;
    top: 0;
    left: 0;
  }
  }

  .mdl-layout__tab-bar-button {
  display: inline-block;
  position: absolute;
  top: 0;
  height: $layout-tab-bar-height;
  width: $layout-header-desktop-baseline - $layout-tab-desktop-padding;
  z-index: 4;
  text-align: center;
  background-color: $layout-header-bg-color;
  color: transparent;
  cursor: pointer;
  user-select: none;

  .mdl-layout--no-desktop-drawer-button &,
  .mdl-layout--no-drawer-button & {
    width: $layout-header-desktop-indent - $layout-tab-desktop-padding;

    & .material-icons {
    position: relative;
    left: ($layout-header-desktop-indent - $layout-tab-desktop-padding - 24px) / 2;
    }
  }

  @media screen and (max-width: $layout-screen-size-threshold) {
    width: $layout-header-mobile-baseline - $layout-tab-mobile-padding;
  }

  .mdl-layout--fixed-tabs & {
    display: none;
  }

  & .material-icons {
    line-height: $layout-tab-bar-height;
  }

  &.is-active {
    color: $layout-header-text-color;
  }
  }

  .mdl-layout__tab-bar-left-button {
  left: 0;
  }

  .mdl-layout__tab-bar-right-button {
  right: 0;
  }

  .mdl-layout__tab {
  margin: 0;
  border: none;
  padding: 0 $layout-tab-desktop-padding 0 $layout-tab-desktop-padding;

  float: left;
  position: relative;
  display: block;
  flex-grow: 0;
  flex-shrink: 0;

  text-decoration: none;
  height: $layout-tab-bar-height;
  line-height: $layout-tab-bar-height;

  text-align: center;
  font-weight: 500;
  font-size: $layout-tab-font-size;
  text-transform: uppercase;

  color: $layout-header-tab-text-color;
  overflow: hidden;

  @media screen and (max-width: $layout-screen-size-threshold) {
    padding: 0 $layout-tab-mobile-padding 0 $layout-tab-mobile-padding;
  }

  .mdl-layout--fixed-tabs & {
    float: none;
    flex-grow: 1;
    padding: 0;
  }

  .mdl-layout.is-upgraded &.is-active {
    color: $layout-header-text-color;
  }

  .mdl-layout.is-upgraded &.is-active::after {
    height: $layout-tab-highlight-thickness;
    width: 100%;
    display: block;
    content: " ";
    bottom: 0;
    left: 0;
    position: absolute;
    background: $layout-header-tab-highlight;
    animation: border-expand 0.2s cubic-bezier(0.4, 0.0, 0.4, 1) 0.01s alternate forwards;
    transition: all 1s cubic-bezier(0.4, 0.0, 1, 1);
  }

  & .mdl-layout__tab-ripple-container {
    display: block;
    position: absolute;
    height: 100%;
    width: 100%;
    left: 0;
    top: 0;
    z-index: 1;
    overflow: hidden;

    & .mdl-ripple {
    background-color: $layout-header-text-color;
    }
  }
  }

  .mdl-layout__tab-panel {
  display: block;

  .mdl-layout.is-upgraded & {
    display: none;
  }

  .mdl-layout.is-upgraded &.is-active {
    display: block;
  }
  }
