graph_renderer.css

/**
 * Copyright 2025 Google LLC
 *
 * 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.
 */

/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
:host {
  display: block;
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 100%;
  user-select: none;
}

.wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  cursor: grab;
}

:host([isPanning]) .wrapper {
  cursor: grabbing;
}

.background-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--graph-bg-fill, #f8f9fa);
  z-index: 0;
}

.directed-graph-element {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform-origin: 0 0;
  z-index: 1;
  pointer-events: none; /* Let wrapper handle pan, children enable their own events */
}

.minimap-container {
  position: absolute;
  z-index: 2; /* Ensure minimap is above the graph */

  /*
   * Positions the minimap using CSS Custom Properties, allowing for customization
   * from an external stylesheet. For example:
   *
   * gr-graph-renderer {
   *   --minimap-top: 16px;
   *   --minimap-left: 16px;
   *   --minimap-bottom: auto;
   *   --minimap-right: auto;
   * }
   *
   * Defaults to the bottom-right corner if the variables are not provided.
   */
  top: var(--minimap-top, auto);
  left: var(--minimap-left, auto);
  bottom: var(--minimap-bottom, 16px);
  right: var(--minimap-right, 16px);
}