MARL-Mastodon-Archive-Reader-Lite/css/_menu.scss

$menu-width: 75px;
$icon-width: 35px;
$panel-width: 400px;

.mobile-menu {
  display: none;
  position: relative;
  z-index: 2;
  color: var(--fg-inv1);
  background-color: var(--bg-inv2);

  @media (forced-colors: active) {
    color: buttonText;
  }

  ul {
    list-style: none;
    height: 100dvh;
    padding: 1rem 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
  }
  li {
    display: block;
    list-style: none;
  }
  button {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    position: relative;
    height: $menu-width;
    aspect-ratio: 1;
    padding: 0;
    color: inherit;
    font-size: 0.75em;
    text-align: center;
    font-weight: bold;
    line-height: 1;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: none;
    box-shadow: none;
    border-radius: 0;
    &:focus-visible {
      outline-offset: -4px;
    }

    svg {
      display: block;
      width: $icon-width;
      height: auto;
      margin: 5px auto 0;
      fill: var(--fg-inv0);

      @media (forced-colors: active) {
        fill: buttonText;
      }
    }

    span {
      display: block;
      padding-bottom: 10px;
    }
    .visually-hidden {
      text-transform: initial;
    }

    &.menu-filters {
      &.filters-active {
        &::before {
          content: "";
          position: absolute;
          right: 10px;
          top: 5px;
          z-index: 1;
          width: 10px;
          height: 10px;
          border-radius: 10px;
          background-color: var(--accent-light2);
          @media (forced-colors: active) {
            background-color: Highlight;
          }
        }
      }
    }
    &.menu-new {
      margin-top: auto;
    }

    &:hover,
    &:focus-visible {
      background-color: rgba(255, 255, 255, 0.1);

      @media (forced-colors: active) {
        color: Canvas;
        background: Highlight;
        span {
          color: CanvasText;
        }
        svg {
          fill: Canvas;
        }
      }
    }
  }
}
.panel-backdrop {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: 3;
  background-color: var(--menu-backdrop);
}

@media screen and (width < 1200px) {
  // toolbar becomes visible, positionned to the left side of the screen

  .toots-header {
    z-index: 2;
    box-shadow: 0 -10px 10px 10px rgba(0, 0, 0, 0.5);
    .load-new {
      display: none;
    }
  }
  .toots {
    z-index: 1;
  }

  .main-section-inner {
    grid-template-areas:
      "menu header"
      "menu toots";
    grid-template-columns: $menu-width 1fr;
    overflow: hidden;
  }

  .toots .paging {
    padding-bottom: 1rem;
  }

  .mobile-menu-panel {
    position: fixed;
    left: 0 - ($menu-width + $panel-width);
    top: 0;
    bottom: 0;
    z-index: 3;
    width: min(#{$panel-width}, calc(100dvw - #{$menu-width}));
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);

    @media (prefers-reduced-motion: no-preference) {
      transition: left 0.2s ease-out;
      transition-property: left, box-shadow;
      scroll-behavior: smooth;
    }
  }
  .panel-close {
    position: absolute;
    right: 6px;
    top: 6px;
    z-index: 1;
    color: var(--fg1);
    background: transparent;
    box-shadow: none;
    .btn-icon {
      fill: currentColor;
    }
    &:hover,
    &:focus,
    &:focus-visible {
      color: var(--accent-light);
    }

    @media (forced-colors: active) {
      color: buttonText;
    }
  }

  .mobile-menu {
    display: block;
    grid-area: menu;
    z-index: 5;
  }

  .main-page.menu-open {
    .panel-backdrop {
      display: block;
    }

    &.menu-open-actor .actor,
    &.menu-open-filters .toots-filters,
    &.menu-open-tags .toots-tags {
      left: $menu-width;
      box-shadow: -1rem 0 1rem 1rem rgba(0, 0, 0, 0.5);
      @media (prefers-reduced-motion: no-preference) {
        transition-duration: 0.35s;
      }
    }

    &.menu-open-actor .menu-actor,
    &.menu-open-filters .menu-filters,
    &.menu-open-tags .menu-tags {
      color: var(--fg-inv0);
      background-color: rgba(255, 255, 255, 0.2);
    }
  }
}

@media screen and (width < 500px) {
  // toolbar is repositioned to the bottom of the screen

  .main-section-inner {
    grid-template-areas:
      "header"
      "toots"
      "menu";
    grid-template-columns: 1fr;
    grid-template-rows: min-content 1fr min-content;
  }

  .mobile-menu {
    box-shadow: none;
    ul {
      flex-direction: row;
      justify-content: space-around;
      height: auto;
      padding: 0;
    }
    li {
      flex-grow: 1;
    }
    button {
      aspect-ratio: unset;
      width: 100%;
    }
  }

  .mobile-menu-panel {
    height: auto;
    bottom: $menu-width;
    width: 100dvw;
    left: -100dvw;
    box-shadow: none;
  }
  .main-page.menu-open {
    &.menu-open-actor .actor,
    &.menu-open-filters .toots-filters,
    &.menu-open-tags .toots-tags {
      left: 0;
    }
  }

  .toots-tags {
    padding-bottom: 1rem;
  }
  .tags-title {
    padding-bottom: 0;
  }
}