// Copyright (C) 2018 The Android Open Source Project
//
// 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 "widgets/theme";
@import "typefaces";
@import "fonts";

:root {
  --sidebar-width: 230px;
  --topbar-height: 44px;
  --monospace-font: "Roboto Mono", monospace;
  --track-shell-width: 250px;
  --track-border-color: #00000025;
  --anim-easing: cubic-bezier(0.4, 0, 0.2, 1);
  --selection-stroke-color: #00344596;
  --selection-fill-color: #8398e64d;
  --overview-timeline-non-visible-color: #c8c8c8cc;
  --details-content-height: 280px;
}

@mixin transition($time: 0.1s) {
  transition: opacity $time ease, color $time ease, background-color $time ease,
    border-color $time ease, width $time ease, height $time ease,
    max-width $time ease, max-height $time ease, margin $time ease,
    transform $time ease, box-shadow $time ease, border-radius $time ease;
}

@mixin material-icon($content) {
  @include icon;
  content: $content;
}

@mixin track_shell_title() {
  font-size: 14px;
  max-height: 30px;
  overflow: hidden;
  text-align: left;
  overflow-wrap: break-word;
  font-family: "Roboto Condensed", sans-serif;
  font-weight: 300;
  line-break: anywhere;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
}

html {
  font-family: Roboto, verdana, sans-serif;
  height: 100%;
  width: 100%;
}

html,
body,
body > main {
  height: 100%;
  width: 100%;
  padding: 0;
  margin: 0;
  overscroll-behavior: none;
  overflow: hidden;
}

pre,
code {
  font-family: var(--monospace-font);
}

// This is to minimize Mac vs Linux Chrome Headless rendering differences
// when running UI intergrationtests via puppeteer.
body.testing {
  -webkit-font-smoothing: antialiased !important;
  font-kerning: none !important;
}

h1,
h2,
h3 {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  padding: 0;
  margin: 0;
}
table {
  user-select: text;
}

body > main {
  display: grid;
  grid-template-areas:
    "sidebar topbar"
    "sidebar alerts"
    "sidebar page";
  grid-template-rows: auto auto 1fr;
  grid-template-columns: auto 1fr;
  color: #121212;
  overflow: hidden;
}

body.filedrag::after {
  content: "Drop the trace file to open it";
  position: fixed;
  z-index: 99;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 10px dashed #404854;
  text-align: center;
  font-size: 3rem;
  line-height: 100vh;
  color: #333;
  background: rgba(255, 255, 255, 0.5);
}

button {
  background: none;
  color: inherit;
  border: none;
  padding: 0;
  font: inherit;
  cursor: pointer;
  outline: inherit;
}

button.close {
  font-family: var(--monospace-font);
}

.full-page-loading-screen {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: row;
  background: #3e4a5a url("assets/logo-3d.png") no-repeat fixed center;
}

.page {
  grid-area: page;
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.split-panel {
  flex: 1;
  display: flex;
  flex-flow: row;
  position: relative;
  overflow: hidden;
}

.alerts {
  grid-area: alerts;
  background-color: #f2f2f2;
  > div {
    font-family: "Roboto", sans-serif;
    font-weight: 400;
    letter-spacing: 0.25px;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    button {
      width: 24px;
      height: 24px;
    }
  }
}

.query-table-container {
  width: 100%;
}

@mixin table-font-size {
  font-size: 14px;
  line-height: 18px;
}

$table-hover-color: hsl(214, 22%, 90%);

$table-border-color: rgba(60, 76, 92, 0.4);

$bottom-tab-padding: 10px;

@mixin table-component {
  @include bottom-panel-font;
  @include table-font-size;

  width: 100%;
  border-collapse: collapse;

  thead {
    font-weight: normal;
  }

  tr:hover td {
    background-color: $table-hover-color;
  }

  tr.header {
    border-bottom: 1px solid $table-border-color;
    text-align: center;
  }

  td {
    padding: 2px 1px;

    i.material-icons {
      // Shrink the icons inside the table cells to increase the information
      // density a little bit.
      font-size: 16px;
    }
  }
}

.generic-table {
  @include table-component;
}

.pivot-table {
  @include table-component;

  thead,
  i {
    cursor: pointer;
  }
  td.first {
    border-left: 1px solid $table-border-color;
    padding-left: 6px;
  }
  thead td.reorderable-cell {
    cursor: grab;
  }
  .disabled {
    cursor: default;
  }
  .indent {
    display: inline-block;
    // 16px is the width of expand_more/expand_less icon to pad out cells
    // without the button
    width: 16px;
  }
  strong {
    font-weight: 400;
  }
}

.query-table {
  width: 100%;
  font-size: 14px;
  border: 0;
  thead td {
    position: sticky;
    top: 0;
    background-color: hsl(214, 22%, 90%);
    color: #262f3c;
    text-align: center;
    padding: 1px 3px;
    border-style: solid;
    border-color: #fff;
    border-right-width: 1px;
    border-left-width: 1px;
  }
  tbody tr {
    @include transition();
    background-color: hsl(214, 22%, 100%);
    font-family: var(--monospace-font);
    &:nth-child(even) {
      background-color: hsl(214, 22%, 95%);
    }
    td:first-child {
      padding-left: 5px;
    }
    td:last-child {
      padding-right: 5px;
    }
    &:hover {
      background-color: hsl(214, 22%, 90%);
    }
    &[clickable] {
      cursor: pointer;
    }
  }
}

.query-error {
  padding: 20px 10px;
  color: hsl(-10, 50%, 50%);
  font-family: "Roboto Condensed", sans-serif;
  font-weight: 300;
}

.dropdown {
  display: inline-block;
  position: relative;
}

.dropdown-button {
  cursor: pointer;
}

.popup-menu {
  position: absolute;
  background-color: white;
  right: 0;
  box-shadow: 0 0 4px 0 #999;
  /* TODO(hjd): Reduce and make z-index use sensible. */
  z-index: 1000;

  &.closed {
    display: none;
  }

  &.opened {
    display: block;
  }

  button.open-menu {
    border-radius: 0;
    margin: 0;
    height: auto;
    background: transparent;
    color: #111;
    font-size: 12px;
    padding: 0.4em 1em;
    white-space: nowrap;
    width: 100%;
    text-align: right;
    line-height: 1;
    display: block; // Required in order for inherited white-space property not
    // to screw up vertical rendering of the popup menu items.

    &:hover {
      background: #c7d0db;
    }
  }

  .nested-menu {
    padding-right: 1em;
  }
}

.track {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: 1fr 0;

  &::after {
    display: block;
    content: "";
    grid-column: 1 / span 2;
    border-top: 1px solid var(--track-border-color);
    margin-top: -1px;
    z-index: 2;
  }

  .track-shell {
    @include transition();
    padding-left: 10px;
    display: grid;
    cursor: grab;
    grid-template-areas: "title buttons";
    grid-template-columns: 1fr auto;
    align-items: center;
    width: var(--track-shell-width);
    background: #fff;
    border-right: 1px solid #c7d0db;
    overflow: hidden;

    &.drag {
      background-color: #eee;
      box-shadow: 0 4px 12px -4px #999 inset;
    }
    &.drop-before {
      box-shadow: 0 4px 2px -1px hsl(213, 40%, 50%) inset;
    }
    &.drop-after {
      box-shadow: 0 -4px 2px -1px hsl(213, 40%, 50%) inset;
    }

    &.selected {
      background-color: #ebeef9;
    }

    &.alternating-thread-track {
      background: hsl(214, 22%, 95%);
    }

    .chip {
      background-color: #bed6ff;
      border-radius: $pf-border-radius;
      font-size: smaller;
      padding: 0 0.1rem;
      margin-left: 1ch;
    }

    h1 {
      grid-area: title;
      color: hsl(213, 22%, 30%);
      @include track_shell_title();
    }
    .track-buttons {
      grid-area: buttons;
      display: flex;
      height: 100%;
      align-items: center;
    }
    .track-button {
      @include transition();
      color: rgb(60, 86, 136);
      cursor: pointer;
      width: 22px;
      font-size: 18px;
      opacity: 0;
    }

    .track-button.show {
      opacity: 1;
    }
    .track-button.full-height {
      display: flex;
      height: 100%;
      align-items: center;
      justify-content: center;

      &:hover {
        background-color: #ebeef9;
      }
    }

    &:hover .track-button {
      opacity: 1;
    }
    &.flash {
      background-color: #ffe263;
    }
  }
}

.scrolling-panel-container {
  position: relative;
  overflow-x: hidden;
  overflow-y: scroll; // Always show vertical scrollbar
  flex: 1 1 auto;
  will-change: transform; // Force layer creation.
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
  grid-template-areas: "space";
}

.details-panel-container {
  box-shadow: #0000003b 0px 0px 3px 1px;
  position: relative;
  overflow-x: hidden;
  overflow-y: auto;
  flex: 1 1 auto;
  // TODO(hjd): This causes the sticky header to flicker when scrolling.
  // Is will-change necessary in the details panel?
  // will-change: transform;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
  grid-template-areas: "space";
}

.pinned-panel-container {
  position: relative;
  // Override top level overflow: hidden so height of this flex item can be
  // its content height.
  overflow: visible;
  box-shadow: 1px 3px 15px rgba(23, 32, 44, 0.3);
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
  grid-template-areas: "space";
}

// In the scrolling case, since the canvas is overdrawn and continuously
// repositioned, we need the canvas to be in a div with overflow hidden and
// height equaling the total height of the content to prevent scrolling
// height from growing.
.scroll-limiter {
  position: relative;
  grid-area: space;
  overflow: hidden;
}

canvas.main-canvas {
  z-index: -1;
}

.panels {
  grid-area: space;
  user-select: none;
}

.panel {
  position: relative; // Otherwise canvas covers panel dom.

  &.sticky {
    position: sticky;
    z-index: 3;
    top: 0;
    background-color: hsl(215, 22%, 19%);
  }
}

.pan-and-zoom-content {
  flex: 1;
  position: relative;
  display: flex;
  flex-flow: column nowrap;
}

.overview-timeline {
  height: 70px;
}

.time-axis-panel {
  height: 12px;
}

.tickbar {
  height: 5px;
}

.notes-panel {
  height: 20px;
}

.x-scrollable {
  overflow-x: auto;
}

header.overview {
  display: flex;
  align-content: baseline;
  background-color: hsl(213, 22%, 82%);
  color: hsl(213, 22%, 20%);
  font-family: "Roboto Condensed", sans-serif;
  font-size: 15px;
  font-weight: 400;
  padding: 4px 10px;
  vertical-align: middle;
  border-color: hsl(213, 22%, 75%);
  border-style: solid;
  border-width: 1px 0;
  .code {
    font-family: var(--monospace-font);
    font-size: 12px;
    margin-left: 10px;
    color: hsl(213, 22%, 40%);
  }
  span {
    white-space: nowrap;
  }
  span.code {
    text-overflow: ellipsis;
    max-width: 50vw;
    overflow: hidden;
  }
  span.spacer {
    flex-grow: 1;
  }
}

.text-select {
  user-select: text;
}

button.query-ctrl {
  background: #262f3c;
  color: white;
  border-radius: 10px;
  font-size: 10px;
  height: 18px;
  line-height: 18px;
  min-width: 7em;
  margin: auto 0 auto 1rem;
}

.debug-panel-border {
  position: absolute;
  top: 0;
  height: 100%;
  width: 100%;
  border: 1px solid rgba(69, 187, 73, 0.5);
  pointer-events: none;
}

.perf-stats {
  --stroke-color: hsl(217, 39%, 94%);
  position: fixed;
  bottom: 0;
  left: 0;
  width: 600px;
  color: var(--stroke-color);
  font-family: var(--monospace-font);
  padding: 10px 24px;
  z-index: 100;
  background-color: rgba(27, 28, 29, 0.9);
  button {
    text-decoration: underline;
    color: hsl(45, 100%, 48%);
    &:hover {
      color: hsl(6, 70%, 53%);
    }
  }
  .close-button {
    position: absolute;
    right: 20px;
    top: 10px;
    width: 20px;
    height: 20px;
    color: var(--stroke-color);
  }
  & > section {
    padding: 5px;
    border-bottom: 1px solid var(--stroke-color);
  }
  div {
    margin: 2px 0;
  }
  table,
  td,
  th {
    border: 1px solid var(--stroke-color);
    text-align: center;
    padding: 4px;
    margin: 4px 0;
  }
  table {
    border-collapse: collapse;
  }
}

.track-group-panel {
  --collapsed-background: hsla(190, 49%, 97%, 1);
  --collapsed-transparent: hsla(190, 49%, 97%, 0);
  --expanded-background: hsl(215, 22%, 19%);
  --expanded-transparent: hsl(215, 22%, 19%, 0);
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: 1fr;
  transition: background-color 0.4s, color 0.4s;
  height: 40px;
  &::after {
    display: block;
    content: "";
    grid-column: 1 / span 2;
    border-top: 1px solid var(--track-border-color);
    margin-top: -1px;
  }
  &[collapsed="true"] {
    background-color: var(--collapsed-transparent);
    .shell {
      border-right: 1px solid #c7d0db;
      background-color: var(--collapsed-background);
    }
    .track-button {
      color: rgb(60, 86, 136);
    }
  }
  &[collapsed="false"] {
    background-color: var(--expanded-transparent);
    color: white;
    font-weight: bold;
    .shell.flash {
      color: #121212;
    }
    .track-button {
      color: white;
    }
    span.chip {
      color: #121212;
    }
  }
  .shell {
    padding: 4px 4px;
    display: grid;
    grid-template-areas: "fold-button title check";
    grid-template-columns: 28px 1fr 20px;
    align-items: center;
    line-height: 1;
    width: var(--track-shell-width);
    min-height: 40px;
    transition: background-color 0.4s;

    .track-title {
      user-select: text;
    }

    .track-subtitle {
      font-size: 0.6rem;
      font-weight: normal;
      overflow: hidden;
      white-space: nowrap;
      text-overflow: ellipsis;
      // Maximum width according to grid-template-columns value for .shell
      width: calc(var(--track-shell-width) - 56px);
    }

    .chip {
      background-color: #bed6ff;
      border-radius: 3px;
      font-size: smaller;
      padding: 0 0.1rem;
      margin-left: 1ch;
    }

    .title-wrapper {
      grid-area: title;
      overflow: hidden;
    }
    h1 {
      @include track_shell_title();
    }
    .fold-button {
      grid-area: fold-button;
    }
    .track-button {
      font-size: 20px;
    }
    &:hover {
      cursor: pointer;
      .fold-button {
        color: hsl(45, 100%, 48%);
      }
    }
    &.flash {
      background-color: #ffe263;
    }
    &.selected {
      background-color: #ebeef9;
    }
  }
  .track-content {
    display: grid;
    span {
      @include track_shell_title();
      align-self: center;
    }
  }
}

.time-selection-panel {
  height: 10px;
}

.cookie-consent {
  position: absolute;
  z-index: 10;
  left: 10px;
  bottom: 10px;
  width: 550px;
  background-color: #19212b;
  font-size: 14px;
  color: rgb(180, 183, 186);
  border-radius: 5px;
  padding: 20px;

  .buttons {
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
    font-size: 15px;
  }

  button {
    padding: 10px;
    border-radius: 3px;
    color: #fff;
    margin-left: 5px;
    a {
      text-decoration: none;
      color: #fff;
    }
  }
  button:hover {
    background-color: #373f4b;
    cursor: pointer;
  }
}

.disallow-selection {
  user-select: none;
}

.pivot-table {
  user-select: text;
  padding: $bottom-tab-padding;

  button.mode-button {
    border-radius: 10px;
    padding: 7px;
    margin: 5px;
    background-color: #c7d0db;
  }

  &.query-error {
    color: red;
  }

  .total-values {
    text-align: right;
    padding-right: 10px;
  }

  .empty-result {
    padding: 10px;
  }

  td.menu {
    text-align: left;
  }

  td {
    // In context menu icon to go on a separate line.
    // In regular pivot table cells, avoids wrapping the icon spacer to go on
    // a separate line.
    white-space: pre;
  }
}

.name-completion {
  input {
    width: 90%;
  }
  min-height: 20vh;
  min-width: 30vw;

  .arguments-popup-sizer {
    color: transparent;
    user-select: none;
    height: 0;
  }
}

.reorderable-cell {
  &.dragged {
    color: gray;
  }

  &.highlight-left {
    background: linear-gradient(90deg, $table-border-color, transparent 20%);
  }

  &.highlight-right {
    background: linear-gradient(270deg, $table-border-color, transparent 20%);
  }
}

.history-item {
  border-bottom: 1px solid hsl(213, 22%, 75%);
  padding: 0.25em 0.5em;
  max-height: 150px;
  overflow-y: auto;

  pre {
    font-size: 10pt;
    margin: 0;
    overflow-x: auto;
  }

  &:hover .history-item-buttons {
    visibility: visible;
  }
}

.history-item-buttons {
  position: sticky;
  float: right;
  top: 0;
  visibility: hidden;

  button {
    margin: 0 0.5rem;

    i.material-icons,
    i.material-icons-filled {
      font-size: 18px;
    }
  }
}

.context-wrapper {
  white-space: nowrap;

  i.material-icons {
    margin-left: 0;
  }
}