front_end/panels/comments/commentsPane.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.
 */

@scope to (devtools-widget > *) {
  .comments-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    overflow: hidden;
  }

  .comments-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--sys-size-13);
    padding: 0 var(--sys-size-5);
    border-bottom: var(--sys-size-1) solid var(--sys-color-divider);
    background-color: var(--sys-color-surface1);
    flex-shrink: 0;
  }

  .toolbar-left {
    display: flex;
    align-items: center;
    height: 100%;
    gap: var(--sys-size-8);
    padding-left: var(--sys-size-3);
  }

  .tab-button {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 var(--sys-size-2);
    border: none;
    background: transparent;
    color: var(--sys-color-on-surface-subtle);
    font-size: var(--sys-typescale-body4-size);
    font-weight: var(--ref-typeface-weight-regular);
    cursor: pointer;
  }

  .tab-button:hover {
    color: var(--sys-color-on-surface);
  }

  .tab-button:focus-visible {
    outline: var(--sys-size-2) solid var(--sys-color-state-focus-ring);
    outline-offset: calc(-1 * var(--sys-size-2));
  }

  .tab-button.active {
    color: var(--sys-color-primary);
    font-weight: var(--ref-typeface-weight-bold);
  }

  .tab-button.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--sys-size-2);
    background-color: var(--sys-color-primary);
    border-radius: var(--sys-shape-corner-full) var(--sys-shape-corner-full) 0 0;
  }

  .toolbar-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--sys-size-11);
    height: var(--sys-size-11);
    padding: 0;
    border: none;
    background: transparent;
    border-radius: var(--sys-shape-corner-extra-small);
    cursor: pointer;
    color: var(--sys-color-on-surface-subtle);
  }

  .toolbar-button:hover {
    background-color: var(--sys-color-state-hover-on-subtle);
    color: var(--sys-color-on-surface);
  }

  .toolbar-button:active {
    background-color: var(--sys-color-state-ripple-neutral-on-subtle);
  }

  /* Queued and sent threads share a single scroll area below the toolbar. */
  .comments-scroll-container {
    /* Offset parent for the sections, so their offsetTop is their scroll position. */
    position: relative;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
  }

  /*
   * Only as tall as its content, so the footer follows the last queued row
   * when the queue fits in the panel.
   */
  .comments-queued-section {
    display: flex;
    flex-direction: column;
  }

  .comments-list {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  /* Extra space between the Send to agent footer and the sent comments separator. */
  .comments-sent-section {
    margin-top: var(--sys-size-11);
    /*
     * At least as tall as the panel, so the sent comments can always be
     * scrolled to the top of the drawer, even when the content above and the
     * sent list itself are short.
     */
    min-height: 100%;
  }

  /*
   * Looks like a pane header, but only visually separates the queued comments
   * (with their footer) from the comments already sent to the agent.
   */
  .comments-sent-separator {
    padding: var(--sys-size-3) var(--sys-size-5);
    border-top: var(--sys-size-1) solid var(--sys-color-divider);
    border-bottom: var(--sys-size-1) solid var(--sys-color-divider);
    background-color: var(--sys-color-surface1);
    color: var(--sys-color-on-surface-subtle);
    font-size: var(--sys-typescale-body4-size);
    line-height: var(--sys-typescale-body4-line-height);
  }

  .comment-thread-item {
    display: flex;
    align-items: center;
    gap: var(--sys-size-5);
    padding: var(--sys-size-5) var(--sys-size-8);
    border-bottom: var(--sys-size-1) solid var(--sys-color-divider);
    cursor: pointer;
    transition: background-color var(--sys-motion-duration-short4) var(--sys-motion-easing-emphasized);
  }

  .comment-thread-item:hover {
    background-color: var(--sys-color-state-hover-on-subtle);
  }

  .comment-thread-item:focus-visible {
    background-color: var(--sys-color-state-hover-on-subtle);
    outline: var(--sys-size-2) solid var(--sys-color-state-focus-ring);
    outline-offset: calc(-1 * var(--sys-size-2));
  }

  .comment-pin-badge {
    box-sizing: border-box;
    width: var(--sys-size-9);
    height: var(--sys-size-9);
    margin-right: var(--sys-size-2);
    border-radius: var(--sys-shape-corner-full) var(--sys-shape-corner-full) var(--sys-shape-corner-full) var(--sys-shape-corner-extra-small);
    border: var(--sys-size-2) solid var(--sys-color-primary);
    background-color: var(--sys-color-cdt-base-container);
    flex-shrink: 0;
  }

  .comment-pin-badge.resolved {
    border: none;
    background-color: var(--sys-color-primary);
  }

  .comment-thread-item.orphaned .comment-pin-badge {
    border-color: var(--sys-color-surface-variant);
  }

  .comment-thread-item.orphaned .comment-pin-badge.resolved {
    background-color: var(--sys-color-surface-variant);
  }

  .anchor-chip {
    display: flex;
    height: calc(var(--sys-size-8) + var(--sys-size-2));
    padding: var(--sys-size-2) var(--sys-size-4) var(--sys-size-2) var(--sys-size-3);
    align-items: center;
    border-radius: var(--sys-shape-corner-extra-small);
    border: var(--sys-size-1) solid var(--sys-color-divider);
    background: var(--sys-color-surface2);
    font-family: var(--source-code-font-family);
    font-size: var(--monospace-font-size);
    color: var(--sys-color-token-tag);
    overflow: hidden;
    max-width: var(--sys-size-24);
    min-width: 0;
    flex-shrink: 0;
    pointer-events: none;
  }

  .anchor-chip.orphaned {
    border-style: dashed;
    border-color: var(--sys-color-neutral-outline);
    background: transparent;
    color: var(--sys-color-state-disabled);
    gap: var(--sys-size-3);
  }

  .anchor-chip.orphaned .anchor-chip-text {
    color: var(--sys-color-state-disabled);
  }

  .orphaned-label {
    flex-shrink: 0;
    color: var(--sys-color-on-surface-subtle);
    font-family: var(--default-font-family);
    font-size: var(--sys-typescale-body5-size);
    font-style: italic;
  }

  .anchor-chip devtools-widget,
  .anchor-chip-text {
    display: block;
    flex: 0 1 auto;
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }

  .comment-text {
    flex: 1;
    font-size: var(--sys-typescale-body4-size);
    line-height: var(--sys-typescale-body4-line-height);
    color: var(--sys-color-on-surface);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .thread-status-working,
  .thread-status-sent {
    display: flex;
    align-items: center;
    gap: var(--sys-size-4);
    color: var(--sys-color-on-surface-subtle);
    font-size: var(--sys-typescale-body4-size);
    line-height: var(--sys-typescale-body4-line-height);
    font-weight: var(--ref-typeface-weight-medium);
    white-space: nowrap;
  }

  .thread-status-sent {
    gap: var(--sys-size-2);
  }

  .check-icon {
    width: var(--sys-size-8);
    height: var(--sys-size-8);
    color: var(--sys-color-on-surface-subtle);
  }

  .see-response-button {
    margin-right: calc(-1 * var(--sys-size-6));
  }

  .comments-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    /* Fills the panel when there are no comments at all. */
    flex: 1;
    padding: var(--sys-size-13) var(--sys-size-8);
    text-align: center;
  }

  .comments-empty-state-title {
    margin-bottom: var(--sys-size-4);
    color: var(--sys-color-on-surface);
    font-size: var(--sys-typescale-headline5-size);
    line-height: var(--sys-typescale-headline5-line-height);
    font-weight: var(--ref-typeface-weight-medium);
  }

  .comments-empty-state-description {
    max-width: var(--sys-size-29);
    color: var(--sys-color-on-surface-subtle);
    font-size: var(--sys-typescale-body3-size);
    line-height: var(--sys-typescale-body3-line-height);
    text-wrap: balance;
  }

  .comments-empty-state-icon {
    width: var(--sys-size-8);
    height: var(--sys-size-8);
    vertical-align: text-bottom;
    color: var(--sys-color-on-surface-subtle);
  }

  .comments-empty-state-link {
    margin-top: var(--sys-size-3);
  }

  /*
   * Sticks to the bottom of the panel while the queued rows overflow it, and
   * scrolls up with the end of the queued section once the sent rows are reached.
   */
  .comments-footer {
    position: sticky;
    bottom: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--sys-size-5);
    /* Overlap the last queued row's bottom border so only a single divider is shown. */
    margin-top: calc(-1 * var(--sys-size-1));
    padding: var(--sys-size-5) var(--sys-size-8);
    border-top: var(--sys-size-1) solid var(--sys-color-divider);
    background-color: var(--sys-color-cdt-base-container);
    flex-shrink: 0;
  }

  .info-icon {
    color: var(--sys-color-on-surface-subtle);
    cursor: pointer;
  }

  .info-tooltip-container {
    max-width: var(--sys-size-28);
    padding: var(--sys-size-4) var(--sys-size-5);
  }

  .send-agent-button {
    background-color: var(--sys-color-primary);
    color: var(--sys-color-on-primary);
    border: none;
    border-radius: var(--sys-shape-corner-full);
    padding: var(--sys-size-4) var(--sys-size-8);
    font-size: var(--sys-typescale-body4-size);
    font-weight: var(--ref-typeface-weight-medium);
    cursor: pointer;
    transition: background-color var(--sys-motion-duration-short4) var(--sys-motion-easing-emphasized), box-shadow var(--sys-motion-duration-short4) var(--sys-motion-easing-emphasized);
  }

  .send-agent-button:hover {
    background-color: var(--sys-color-primary-bright);
    box-shadow: var(--sys-elevation-level1);
  }
}