tools/android/layout_inspector/static/style.css

/* Copyright 2026 The Chromium Authors
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

:root {
  --bg-hover: rgba(0, 0, 255, 0.15);
  --body-padding: 5px;
  --color-sep: #888;
  --splitter-size: 7px;
  --tree-toggle-width: 20px;
  --z-index-overlay: 1000;
}

body {
  align-items: center;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  font-family: sans-serif;
  height: 100vh;
  margin: 0;
  padding: var(--body-padding);
}

button {
  background-color: #007bff;
  border-radius: 5px;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 16px;

  &.action-button {
    padding: 5px 5px;
    width: 100px;
  }

  &:disabled {
    background-color: #6c757d;
    cursor: not-allowed;
    opacity: 0.65;
  }
}

label {
  align-items: center;
  display: inline-flex;
  flex-direction: row;
  gap: 5px;
  height: 1.4em;
  justify-content: flex-start;
}

label,
select {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

#div-controls {
  align-items: center;
  background-color: #f8f9fa;
  box-sizing: border-box;
  display: flex;
  flex-direction: row;
  flex-shrink: 0;
  gap: 15px;
  overflow-x: auto;
  padding: 10px;
  user-select: none;
  white-space: nowrap;
  width: 100%;

  & > * {
    flex-shrink: 0;
  }
}

label:has(#sel-zoom) {
  margin-left: 263px;
}

#sel-zoom {
  width: 110px;
}

#div-main {
  display: flex;
  flex-grow: 1;
  overflow: hidden;
  position: relative;
  width: 100%;
}

.main-layout {
  &[data-layout="left"] {
    flex-direction: row;
  }

  &[data-layout="right"] {
    flex-direction: row-reverse;
  }

  &[data-layout="top"] {
    flex-direction: column;
  }

  &[data-layout="bottom"] {
    flex-direction: column-reverse;
  }
}

#div-pane-screenshot {
  display: flex;
  flex-basis: 50%;
  flex-direction: column;
  flex-grow: 0;
  flex-shrink: 0;
  max-height: 100%;
  max-width: 100%;
  overflow: hidden;
  position: relative;
}

#div-screenshot {
  align-items: safe start;
  background-color: #fff;
  display: grid;
  flex-grow: 1;
  justify-items: safe center;
  min-height: 0;
  overflow: auto;

  #div-main[data-layout="top"] &,
  #div-main[data-layout="bottom"] & {
    align-items: safe center;
  }

  &[data-force-scroll="x"] {
    overflow-x: scroll;
  }

  &[data-force-scroll="y"] {
    overflow-y: scroll;
  }

  .screenshot-inner {
    --screenshot-width: 0px;
    --screenshot-height: 0px;
    cursor: crosshair;
    flex-shrink: 0;
    position: relative;
  }

  .canv-base {
    display: block;
    height: var(--screenshot-height);
    image-rendering: pixelated;
    transition: opacity 0.15s;
    width: var(--screenshot-width);
  }
}

#div-screenshot-info {
  background-color: #f8f9fa;
  box-sizing: border-box;
  contain: strict;
  display: flex;
  flex-shrink: 0;
  font-family: monospace;
  height: 40px;
  justify-content: center;
  padding: 10px;
  user-select: none;
  white-space: nowrap;

  .div-size-info {
    align-items: center;
    display: none;
    gap: 15px;
    justify-content: center;
  }

  &[data-show="size"] .div-size-info {
    display: flex;
  }

  .div-size-info {
    .sp-size-device {
      text-align: right;
      width: 40ch;
    }

    .sp-size-scaled {
      width: 40ch;
    }
  }

  &.too-narrow {
    .sp-size-device,
    .sp-separator {
      display: none;
    }

    .sp-size-scaled {
      width: auto;
    }
  }
}

#div-main-splitter {
  background-color: transparent;
  flex-basis: var(--splitter-size);
  flex-shrink: 0;
  position: relative;
  z-index: 10;

  &::before {
    background-color: var(--color-sep);
    content: '';
    position: absolute;
  }

  #div-main[data-layout="left"] &,
  #div-main[data-layout="right"] & {
    cursor: col-resize;

    &::before {
      height: 100%;
      left: 3px;
      top: 0;
      width: 1px;
    }
  }

  #div-main[data-layout="top"] &,
  #div-main[data-layout="bottom"] & {
    cursor: row-resize;

    &::before {
      height: 1px;
      left: 0;
      top: 3px;
      width: 100%;
    }
  }
}

#div-pane-view-tree {
  display: flex;
  flex-basis: 0;
  flex-direction: column;
  flex-grow: 1;
  gap: 5px;
  overflow: hidden;
}

#div-view-tree {
  contain: content;
  flex-grow: 1;
  overflow-y: auto;
  padding: 10px;
  user-select: none;

  .view-row {
    align-items: center;
    background-clip: border-box;
    border-bottom: 1px solid #0001;
    border-left: 3px solid transparent;  /* Descendant selection indicator. */
    display: flex;
    font-family: monospace;
    height: 24px;
    white-space: nowrap;

    &.hovered-view {
      background-color: var(--bg-hover);
    }

    &.is-window {
      font-weight: bold;
    }

    &.expanded {
      .tree-toggle span {
        transform: rotate(90deg);
      }
    }

    .tree-toggle {
      align-items: center;
      box-sizing: border-box;
      color: #666;
      cursor: pointer;
      display: inline-flex;
      flex-shrink: 0;
      font-size: 10px;
      height: 100%;
      justify-content: center;
      user-select: none;
      width: var(--tree-toggle-width);

      &:hover {
        color: #000;
      }

      span {
        border-bottom: 4px solid transparent;
        border-left: 4px solid currentColor;
        border-top: 4px solid transparent;
        box-sizing: border-box;
        display: inline-block;
        height: 8px;
        pointer-events: none;
        transition: transform 0.15s;
        width: 4px;
      }
    }

    .view-label {
      padding-left: 4px;
      padding-right: 4px;
      pointer-events: none;

      &.no-id {
        color: #888;
        font-style: italic;
      }

      .leaf & {
        margin-left: var(--tree-toggle-width);
      }
    }
  }
}

#div-info-bar {
  background-color: #f8f9fa;
  border-top: solid 1px var(--color-sep);
  box-sizing: border-box;
  contain: strict;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  font-family: monospace;
  height: 5em;
  justify-content: flex-start;
  padding: 10px;
  user-select: none;
  white-space: nowrap;
  width: 100%;

  .view-info .view-class,
  .hint-text {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .view-info {
    display: flex;
    flex-direction: column;

    .view-class {
      font-weight: bold;
    }

    .view-dims {
      align-items: flex-start;
      color: #007bff;
      display: inline-flex;
      gap: 15px;
      flex-direction: row;
      justify-content: flex-start;

      .size-dp {
        font-weight: bold;
      }
    }
  }

  .hint-text {
    color: #666;
    font-style: italic;
    margin-bottom: -4px;
    margin-top: auto;
  }
}

#div-overlay {
  &:not(.hidden) {
    align-items: center;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    display: flex;
    font-size: 2em;
    height: 100%;
    justify-content: center;
    left: 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: var(--z-index-overlay);
  }

  .content {
    align-items: center;
    display: flex;
    inset: var(--body-padding);
    justify-content: center;
    position: absolute;
  }
}