/* 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/. */

@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
@namespace html url("http://www.w3.org/1999/xhtml");

menupopup,
panel {
  appearance: auto;
  -moz-default-appearance: menupopup;
  /* We set the default background here, rather than on ::part(content),
   * because otherwise it'd interfere with the native look. Non-native-looking
   * popups should get their background via --panel-background */
  background-color: Menu;
  --panel-background: none;
  --panel-color: MenuText;
  --panel-padding: 0;
  --panel-border-color: transparent;
  --panel-border-radius: 0;
  --panel-width: initial;

  /* This var is used on panelUI-shared.css to calculate panel shadow margins,
   * but as shadows on macOS are being taken care of by the OS, there's
   * no need for CSS to do calculations, so just set it to 0px here. */
  --panel-shadow-margin: 0px;
  --panel-shadow: none;
}

menupopup > menu > menupopup {
  margin-top: -4px;
}

menupopup {
  --panel-padding: 4px 0;
}

panel[titlebar] {
  appearance: none; /* to disable rounded corners */
}

:is(panel, menupopup)[type="arrow"] {
  appearance: none;
  background: transparent;
}

:is(panel, menupopup)::part(content) {
  display: flex;
  box-sizing: border-box;
  -moz-font-smoothing-background-color: var(--panel-background, -moz-mac-menupopup);
  background: var(--panel-background);
  color: var(--panel-color);
  box-shadow: var(--panel-shadow);
  padding: var(--panel-padding);
  margin: var(--panel-shadow-margin);
  width: var(--panel-width);
  border-radius: var(--panel-border-radius);
  border: 1px solid var(--panel-border-color);

  min-width: 0;
  min-height: 0;

  /* Makes popup constraints work */
  max-height: calc(100% - 2 * var(--panel-shadow-margin));
  max-width: calc(100% - 2 * var(--panel-shadow-margin));
}

:is(panel, menupopup)[orient=vertical]::part(content) {
  flex-direction: column;
}

:is(panel, menupopup)[type="arrow"]::part(content) {
  margin: 1px;
}

panel[type="arrow"].panel-no-padding::part(content) {
  padding: 0;
  overflow: hidden; /* Don't let panel content overflow the border-radius */
}

/* rules for popups associated with menulists */

menulist > menupopup {
  min-width: 0;
  --panel-padding: 4px 0;
}

menulist > menupopup:not([position]) {
  margin-inline-start: -13px;
  margin-top: -2px;
}

menupopup[customoptionstyling="true"] {
  appearance: none;
  padding-block: 0;
}