/*//////////////////////////////////////////////////////////////////////////////////////*/
/*   _  _ ____ _  _ ___  ____                                                           */
/*   |_/  |__| |\ | |  \ |  |    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;
  --child-size: 50px;
  --grandchild-size: 15px;
  --connector-width: 10px;

  --menu-transition: all 250ms cubic-bezier(0.775, 1.325, 0.535, 1);
  --opacity-transition: opacity 250ms ease;

  transition: var(--menu-transition);

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

  /* Child items are positioned around the active node. */
  &.child {
    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)));
  }

  /* Grandchild items are positioned around the child items. */
  &.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(1.15 - pow(var(--angle-diff) / 180, 0.25) * 0.15)) 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(1.15) 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 --------------------------------------------------------------------- */

  /* This theme comes with only one layer. This contains the icon of the menu item. */

  /* 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 {
    opacity: 0;
    color: var(--text-color);
    transition: var(--opacity-transition);
    clip-path: circle(45% at 50% 50%);
  }

  /* All menu items have a border and are circles in this theme. */
  .icon-layer {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    transition: var(--menu-transition);
  }

  /* The active menu item is the center of the menu. */
  &.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);
    background-color: var(--background-color);
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
  }

  /* If the center item has a hovered child node, we scale it up and hide its icon. */
  &.active:has(>.hovered)>.icon-layer {
    transform: scale(1.1);

    &>.icon-container {
      opacity: 0;
    }
  }

  /* If the center node is hovered, we want to highlight it. */
  &.active.hovered>.icon-layer {
    background-color: var(--hover-color);
  }

  /* 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(0.95);
  }

  /* If the center node is clicked, we scale it down a bit. */
  &.active.hovered.clicked>.icon-layer {
    transform: scale(0.95);
  }

  /* Show the icons of the center, parent and child items. */
  &.parent>.icon-layer>.icon-container,
  &.child>.icon-layer>.icon-container,
  &.active>.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>.icon-layer {
    top: calc(-1 * var(--child-size) / 2);
    left: calc(-1 * var(--child-size) / 2);
    width: var(--child-size);
    height: var(--child-size);
    background-color: var(--background-color);
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);

  }

  /* Hovered child or parent items are highlighted. */
  &.parent.hovered>.icon-layer,
  &.child.hovered>.icon-layer {
    background-color: var(--hover-color);
  }

  /* Grandchild items are very small and drawn below the child items. */
  &.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);
    background-color: var(--border-color);
  }

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

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

  .connector {
    transition: var(--menu-transition);
    height: var(--connector-width);
    background-color: var(--border-color);
    top: calc(-1 * var(--connector-width) / 2);
  }

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

  &.hovered>.connector {
    background-color: color-mix(in srgb, var(--hover-color) 50%, var(--border-color));
  }

  &.active>.connector {
    background-color: var(--hover-color);
  }
}

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

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