/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */

/**
 * Store variable on the root element, as it may be used by HTMLTooltip elements,
 *  which are added outside of .tracer-container.
 */
:root {
  --tracer-event-color: var(--grey-50);
  --tracer-mouse-event-color: var(--green-60);
  --tracer-key-event-color: var(--teal-60);
  --tracer-mutation-color: var(--purple-30);
  --tracer-mutation-darker-color: oklch(from var(--tracer-mutation-color) calc(l * 0.6) c h);
  --slider-bar-background: var(--blue-55);
}

.tracer-container {
  height: 100%;
  max-height: 100%;

  display: grid;
  grid-template-areas: "toolbar           toolbar"
                       "timeline          tabs";
  grid-template-columns: auto 1fr;
  grid-template-rows: auto 1fr;

  & > .tracer-toolbar {
    grid-area: toolbar;
  }
  & > .tracer-timeline {
    grid-area: timeline;
  }
  & > :is(.tabs) {
    grid-area: tabs;
    overflow-y: auto;
    border-inline-start: 1px solid var(--theme-splitter-color);
  }
}

.tracer-toolbar .tracer-experimental-notice {
  --icon-size: 16px;
  --icon-inline-padding: 4px;

  background-color: var(--theme-body-alternate-emphasized-background);
  border-block-end: 1px solid var(--theme-splitter-color);
  padding: 1em;
  padding-inline-start: calc(var(--icon-inline-padding) * 2 + var(--icon-size));
  background-image: url("chrome://global/skin/icons/experiments.svg");
  background-position-x: var(--icon-inline-padding);
  background-position-y: 50%;
  background-repeat: no-repeat;
  background-size: var(--icon-size);
  -moz-context-properties: fill;
  fill: var(--theme-icon-checked-color);
}

.tracer-toolbar .tracer-runtime-version-mismatch {
  --icon-size: 16px;
  --icon-inline-padding: 4px;

  background-color: var(--theme-warning-background);
  color:  var(--theme-warning-color);
  border-block-end: 1px solid var(--theme-splitter-color);
  padding: 1em;
  padding-inline-start: calc(var(--icon-inline-padding) * 2 + var(--icon-size));
  background-image: url(resource://devtools-shared-images/alert-small.svg);
  background-position-x: var(--icon-inline-padding);
  background-position-y: 50%;
  background-repeat: no-repeat;
  background-size: var(--icon-size);
  -moz-context-properties: fill;
  fill: var(--theme-warning-color);
}

.tracer-tab .tracer-message {
  display: flex;
  justify-content: center;
  align-items: center;
  font-style: italic;
  text-align: center;
  padding: 0.5em;
  font-size: 12px;
  user-select: none;
}

.tracer-tab .tab-panel > * {
  height: 100%;
}

.tracer-tab .event-listeners-container {
  display: flex;
  flex-direction: column;

  .event-listeners {
    flex: 1;

    .event-search-input {
      /* :focus-visible is cutoff on the right */
      outline-offset: -2px;
    }
  }

  footer {
    background: var(--theme-body-background);
    border-top: 1px solid var(--theme-splitter-color);
    min-height: var(--editor-footer-height);
    align-content: center;
    padding: 4px 6px;
  }
}


.tracer-tab .call-tree-container {
  display: flex;
  flex-direction: column;

  .search-outline {
    /* :focus-visible is cutoff on the right */
    outline-offset: -2px;

    input:not(:placeholder-shown) {
      font-family: var(--monospace-font-family);
    }
  }
  .search-exception {
    color: var(--theme-text-color-error);
    background-color: var(--theme-toolbar-error-background);
    border-bottom: 1px solid var(--theme-splitter-color);
  }
  .search-exception, .search-value {
    padding: 5px 10px;
    border-bottom: 1px solid var(--theme-splitter-color);
  }
  .objectBox {
    margin-inline-start: 5px;
  }
}


.tracer-tab .tree {
  flex: 1;
  overflow-x: auto;
  overflow-y: auto;
  padding-inline-start: 4px !important;
}

.tracer-tab .tree-node {
  /* This matches `itemHeight` set on VirtualizedTree component */
  height: var(--tree-node-height);
  line-height: var(--tree-node-height);
  text-wrap: nowrap;
  margin-inline-start: calc(5px * var(--tree-node-depth));
  /* make the tree node at least as wide as its content so the hover style isn't weird */
  width: min-content;
  min-width: 100%;
}

.tracer-tab .tree-node .trace-line {
  flex: 1;
  display: flex;
  flex-direction: row;
  align-items: center;
}

.tracer-tab .frame-link {
  display: flex;
  width: 100%;
  padding: 0 10px;
  gap: 10px;
}

/* Force the smart trace link to be light color when the focused style make the background blue */
.tracer-tab .tree-node.focused .frame-link-source {
  color: var(--theme-selection-color);
}

.tracer-tab .frame-link.match, .tracer-tab .frame-link.match .frame-link-source {
  background: var(--theme-contrast-background);
  color: var(--theme-contrast-color);
}

.tracer-tab .tree-node:has(.frame-link.onstack) {
  background-color: light-dark(lightblue, var(--theme-body-alternate-emphasized-background));
}

.tracer-tab .frame-link-source {
  max-width:200px;
  overflow: hidden;
  text-overflow: ellipsis;
  text-wrap: nowrap;
  color: var(--theme-internal-link-color);
}

.tracer-tab .frame-link-function-display-name {
  flex: 1;
  text-overflow: ellipsis;
  overflow: hidden;
  text-wrap: nowrap;
  font-family: var(--monospace-font-family);
}

.tracer-dom-event, .tracer-dom-mutation {
  padding-inline: 4px;
  margin-inline: 5px;

  &.mouse {
    --event-color: var(--tracer-mouse-event-color);
  }
  &.key {
    --event-color: var(--tracer-key-event-color);
  }
  &.tracer-dom-mutation {
    --event-color: var(--tracer-mutation-color);
  }

  &::before {
    content: "";
    height: 8px;
    aspect-ratio: 1 / 1;
    margin-inline-end: 4px;
    background-color: var(--event-color, var(--tracer-event-color));
    display: inline-block;
    vertical-align: baseline;
    outline: 1px solid;
  }
}

.tracer-timeline {
  width: 50px;
  padding-inline: 2px 4px;
  display: flex;
  flex-direction: column;
  background-color: var(--theme-body-alternate-emphasized-background);

  &.hidden {
    display: none;
  }
}

.tracer-timeline-toolbar {
  border-bottom: 1px solid var(--theme-splitter-color);

  .tracer-reset-zoom {
    padding: 0.5em 2em;
    margin-inline: auto;
    display: block;
  }
}

.tracer-slider-box {
  flex: 1;
  position: relative;
}

/**
 * .selected-before and .selected-after are little blue arrows shown
 * on top and bottom of the slider to indicate when the selected trace
 * is outside of the current viewport.
 */
.tracer-slider-box.selected-before .tracer-slice-slider::before,
.tracer-slider-box.selected-after .tracer-slice-slider::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  left: 0;
  z-index: 10;

  background-image: url("chrome://devtools/skin/images/arrow.svg");
  background-position: top center;
  background-repeat: no-repeat;
  background-size: 10px;

  -moz-context-properties: fill;
}

.tracer-slider-box.selected-before .tracer-slice-slider::before {
  top: 0;
  transform: rotate(180deg);
  fill: var(--slider-bar-background);
}

.tracer-slider-box.selected-after .tracer-slice-slider::after {
  bottom: 0;
  left: -2px;
  fill: white;
}

.tracer-slider-box:is(.cut-start, .cut-end) {
  --shadow-size: 10px;
  --shadow-color: rgb(0 0 0 / 0.3);
}

.tracer-slider-box.cut-start::before {
  content: "";
  height: var(--shadow-size);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to bottom, var(--shadow-color), transparent);
}
.tracer-slider-box.cut-end::after {
  content: "";
  height: var(--shadow-size);
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, var(--shadow-color), transparent);
}

.tracer-slice-slider {
  position: absolute;
  cursor: pointer;
  height: 100%;
  width: 100%;
  /* ignore overflows of mutations icons going over limits on top or bottom */
  overflow: hidden;
}

.tracer-slider-bar {
  width: 8px;
  height: 100%;
  background: linear-gradient(
    var(--slider-bar-background) var(--slider-bar-progress, 0%),
    transparent var(--slider-bar-progress, 0%)
  );
  background-color: var(--theme-body-background);
  border: 1px solid var(--theme-splitter-color);
  position: absolute;
  z-index: 5;
}

.tracer-slider-position {
  position: absolute;
  top: var(--slider-bar-progress);
  z-index: 15;
  width: 100%;
  height: 3px;
  background-color: var(--slider-bar-background);
  border-inline-start: 1px solid var(--theme-splitter-color);
}

.tracer-slider-event, .tracer-slider-mutation {
  position: absolute;
  width: 3px;
  left: 12px;
}

.tracer-slider-event {
  background-color: var(--tracer-event-color);
  --top-line-height: 2px;
  --left-line-width: 10px;
  z-index: 5;

  clip-path: polygon(0% 0%, 100% 0%, 100% var(--top-line-height), var(--left-line-width) var(--top-line-height), var(--left-line-width) 100%, 0 100%);

  &.size-subpixel {
    /* Avoid involving clip-path when the item is really small as it requires lots of computation in the rendering engine */
    clip-path: none;
  }

  width: 30px;

  &.mouse {
    background-color: var(--tracer-mouse-event-color);
  }
  &.key {
    background-color: var(--tracer-key-event-color);
  }
  &:hover, &.highlighted {
    background-color: var(--blue-30);
    /* make the highlights and hover go over mutations, as well as non-highlighted events */
    z-index: 7;
  }
}

.tracer-slider-mutation {
  position: absolute;
  aspect-ratio: 1 / 1;
  width: 18px;
  align-content: center;
  text-align: center;
  /* make the mutation appear on top of events */
  z-index: 6;

  border: 1px solid var(--tracer-mutation-darker-color);

  /**
   * Move the element at its middle of its coordinate so that the JS code
   * defining its coordinate doesn't have to care about its size
   */
  transform: translateX(6px) translateY(-50%);

  font-size: 12px;
  font-weight: bold;
  border-radius: 50%;
}

.tracer-slider-mutation, .tracer-slider-mutation div {
  background-color: var(--tracer-mutation-color);
  color: var(--tracer-mutation-darker-color);
  font-size: 12px;
  font-weight: bold;
}

.event-tooltip .tooltip-panel {
  padding: 10px;

  hr {
    border: none;
    border-block-end: 1px solid var(--theme-splitter-color);
  }
}
