// Copyright 2025 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only

@use '../../mixins';
@use '../../variables';
@use './FunConstants.scss';

@mixin virtual-position($size, $offset) {
  position: absolute;
  top: 0;
  inset-inline-start: 0;
  width: 100%;
  height: $size;
  transform: translateY($offset);
}

.FunGrid__Container {
  contain: strict;
  position: relative;
  width: 100%;
  height: var(--fun-grid-container-total-size);
}

.FunGrid__ScrollerSection {
  contain: strict;
  @include virtual-position(
    var(--fun-grid-scroller-section-size),
    var(--fun-grid-scroller-section-offset)
  );
}

.FunGrid__Header {
  contain: strict;
  @include virtual-position(
    var(--fun-grid-header-size),
    var(--fun-grid-header-offset)
  );
  display: flex;
  align-items: center;
  margin: 0;
}

.FunGrid__HeaderText {
  padding-block: 4px;
  flex: 1;
  @include mixins.font-body-2;
  font-weight: 600;
  color: light-dark(
    variables.$color-black-alpha-50,
    variables.$color-white-alpha-50
  );
}

.FunGrid__HeaderButton {
  @include mixins.button-reset();
  & {
    display: flex;
    width: 24px;
    height: 24px;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
  }

  &:hover,
  &:focus {
    background: light-dark(variables.$color-gray-02, variables.$color-gray-78);
  }

  &:focus {
    outline: none;
    @include mixins.keyboard-mode {
      outline: 2px solid variables.$color-ultramarine;
      outline-offset: -2px;
    }
  }
}

.FunGrid__HeaderIcon {
  width: 16px;
  height: 16px;
}

@mixin icon($svg) {
  @include mixins.color-svg(
    $svg,
    light-dark(variables.$color-black-alpha-50, variables.$color-white-alpha-50)
  );
}

.FunGrid__HeaderIcon--More {
  @include icon('../images/icons/v3/more/more-circle-bold.svg');
}

$popover-margin: 12px;

.FunGrid__HeaderPopoverDialog {
  width: FunConstants.$Fun__PanelWidth - ($popover-margin * 2);
  border-radius: 8px;
  box-shadow: 0 7px 18px variables.$color-black-alpha-30;
  background: FunConstants.$Fun__BgColor;
  user-select: none;
  overflow: clip;
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;

  &:focus {
    outline: none;
    @include mixins.keyboard-mode {
      outline: 2px solid variables.$color-ultramarine;
      outline-offset: -2px;
    }
  }
}

.FunGrid__HeaderPopoverHeader {
  @include mixins.font-body-2;
  color: light-dark(variables.$color-gray-90, variables.$color-gray-05);
}

.FunGrid__RowGroup {
  contain: strict;
  @include virtual-position(
    var(--fun-grid-row-group-size),
    var(--fun-grid-row-group-offset)
  );
  display: grid;
  grid-template-columns: repeat(
    var(--fun-grid-container-column-count),
    var(--fun-grid-container-cell-width)
  );
  grid-auto-rows: var(--fun-grid-container-cell-height);
  justify-items: center;
}

.FunGrid__Row {
  // Note: `contain: strict` breaks CSS subgrid.
  display: grid;
  grid-column: 1 / -1;
  grid-row: var(--fun-grid-row-index);
  grid-template-columns: subgrid;
}

.FunGrid__Cell {
  contain: strict;
  content-visibility: auto;
}