/*//////////////////////////////////////////////////////////////////////////////////////*/
/*   _  _ ____ _  _ ___  ____                                                           */
/*   |_/  |__| |\ | |  \ |  |    This file belongs to Kando, the cross-platform         */
/*   | \_ |  | | \| |__/ |__|    pie menu. Read more on github.com/kando-menu/kando     */
/*                                                                                      */
/*//////////////////////////////////////////////////////////////////////////////////////*/

/* SPDX-FileCopyrightText: Simon Schneegans <code@simonschneegans.de> */
/* SPDX-License-Identifier: CC0-1.0 */

.menu-node {
  --child-distance: 100px;
  --grandchild-distance: 25px;

  --center-size: 100px;
  --submenu-size: 50px;
  --child-size: 60px;
  --grandchild-size: 15px;
  --connector-width: 10px;

  --menu-transition: all 200ms ease;

  transition: var(--menu-transition);

  /* Positioning ---------------------------------------------------------------------- */

  /* Child items are positioned around the active node. */
  &.child.type-submenu {
    transform: translate(calc(max(var(--child-distance), 10px * var(--sibling-count)) * var(--dir-x)),
        calc(max(var(--child-distance), 10px * var(--sibling-count)) * var(--dir-y)));
  }

  &.child:not(.type-submenu) {
    transform: translate(calc(max(var(--child-distance), 10px * var(--sibling-count)) * var(--dir-x)),
        calc(max(var(--child-distance), 10px * var(--sibling-count)) * var(--dir-y))) !important;

    &.hovered {
      transform: scale(1.2) translate(calc(max(var(--child-distance), 10px * var(--sibling-count)) * var(--dir-x)),
          calc(max(var(--child-distance), 10px * var(--sibling-count)) * var(--dir-y))) !important;
    }
  }

  /* Grandchild items are hidden with this theme, but we have to position them
     nevertheless to allow for smooth transitions when showing or hiding them. */
  &.grandchild {
    transform: translate(calc(var(--grandchild-distance) * var(--dir-x)),
        calc(var(--grandchild-distance) * var(--dir-y)));
  }

  /* If there is a hovered child node, we scale all children up a bit to create a cool
     zoom effect. The hovered child itself is scaled up even more. */
  &.active:has(>.hovered)>.child {
    transform: scale(calc(1.1 - pow(var(--angle-diff) / 180, 0.2) * 0.1)) translate(calc(max(var(--child-distance), 10px * var(--sibling-count)) * var(--dir-x)),
        calc(max(var(--child-distance), 10px * var(--sibling-count)) * var(--dir-y)));

    &.hovered {
      transform: scale(1.2) translate(calc(max(var(--child-distance), 10px * var(--sibling-count)) * var(--dir-x)),
          calc(max(var(--child-distance), 10px * var(--sibling-count)) * var(--dir-y)));
    }
  }


  /* Theme Layers --------------------------------------------------------------------- */

  /* We hide all icons by default. They will be shown further down in this file for the
     center item and the child items. */
  .icon-container {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    color: var(--action-icon-color);
    transition: var(--menu-transition);
  }

  &.type-root>.icon-layer>.icon-container,
  &.type-submenu>.icon-layer>.icon-container {
    color: var(--submenu-icon-color);
  }

  .arrow-layer,
  .icon-layer {
    position: absolute;
    transition: var(--menu-transition);
  }

  .icon-layer {
    border-radius: 50%;
  }

  .arrow-layer {
    opacity: 0;
  }

  /* The active menu item is the center of the menu. */
  &.active>.arrow-layer {
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid var(--background-color);
    left: -10px;
    top: -5px;
    transform: scale(0.8) rotate(var(--pointer-angle)) translateY(calc(-0.5 * var(--center-size) - 5px + 1px));
  }

  &.active>.icon-layer {
    top: calc(-1 * var(--center-size) / 2);
    left: calc(-1 * var(--center-size) / 2);
    width: var(--center-size);
    height: var(--center-size);
  }

  /* If the center item has a hovered child node, hide its icon. */
  &.active:has(>.hovered)>.icon-layer>.icon-container {
    opacity: 0;
  }

  /* Show the icons of the parent and child items. */
  &.active>.icon-layer>.icon-container,
  &.parent>.icon-layer>.icon-container,
  &.child>.icon-layer>.icon-container {
    opacity: 1;
  }

  &.type-root>.icon-layer,
  &.type-submenu>.icon-layer {
    background-color: var(--background-color);
    border-radius: 50%;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
    filter: none;

    .icon-container {
      margin: 5%;
      width: 90% !important;
      height: 90% !important;
      border-radius: 50%;
      overflow: hidden;
    }
  }

  &:not(.type-submenu)>.icon-layer>.icon-container {
    filter: drop-shadow(0 3px 5px rgba(0, 0, 0, 0.5));
    text-shadow: 0px 0px 3px rgba(0, 0, 0, 0.5);
  }


  &.active:has(.hovered)>.arrow-layer {
    transform: rotate(var(--hovered-child-angle)) translateY(calc(-0.5 * var(--center-size) - 5px + 1px));
    opacity: 1;
  }

  &.active:has(.clicked)>.arrow-layer {
    transform: rotate(var(--pointer-angle)) translateY(calc(-0.5 * var(--center-size) - 5px + 1px));
  }

  /* If the parent or a child node is clicked, we scale it down to normal size. */
  &.parent.hovered.clicked>.icon-layer,
  &.child.hovered.clicked>.icon-layer {
    transform: scale(0.8);
  }

  /* Show the icons of the parent and child items. */
  &.parent>.icon-layer>.icon-container,
  &.child>.icon-layer>.icon-container {
    opacity: 1;
  }

  /* Child items are displayed around the active node. The parent node of the active
     node is displayed in a similar style. */
  &.parent>.icon-layer,
  &.child.type-submenu>.icon-layer {
    top: calc(-1 * var(--submenu-size) / 2);
    left: calc(-1 * var(--submenu-size) / 2);
    width: var(--submenu-size);
    height: var(--submenu-size);
  }

  &.child>.icon-layer {
    top: calc(-1 * var(--child-size) / 2);
    left: calc(-1 * var(--child-size) / 2);
    width: var(--child-size);
    height: var(--child-size);
  }

  /* Grandchild items are invisible. The sizing is required for transitions from and to
     this state. */
  &.grandchild>.icon-layer {
    top: calc(-1 * var(--grandchild-size) / 2);
    left: calc(-1 * var(--grandchild-size) / 2);
    width: var(--grandchild-size);
    height: var(--grandchild-size);
    opacity: 0;
  }

  /* We disable any transition for dragged submenu items. */
  &.dragged.type-submenu {
    transition: none;
  }

  /* Connectors ----------------------------------------------------------------------- */

  .connector {
    transition: var(--menu-transition);
    height: var(--connector-width);
    top: calc(-1 * var(--connector-width) / 2);
    background-color: var(--background-color);
    opacity: 0;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  }

  &:has(>.dragged)>.connector {
    transition: none;
  }

  &:has(>.parent)>.connector,
  &:has(>.active.type-submenu)>.connector,
  &:has(>.clicked.type-submenu)>.connector,
  &:has(>.dragged.type-submenu)>.connector {
    opacity: 1;
  }
}

/* Center Text ------------------------------------------------------------------------ */

.center-text {
  color: var(--text-color);
  transition: var(--menu-transition);
  font-size: 16px;
  line-height: 22px;
  overflow: visible;
}