fizzy/app/assets/stylesheets/nav.css

@layer components {
  /* Trigger
  /* ------------------------------------------------------------------------ */

  .nav__trigger {
    --input-background: transparent;
    --input-border-color: transparent;
    --input-padding: 0.3em 2em 0.3em 0.75em;

    font-weight: 600;
    inline-size: auto;
    margin-block-start: 0.1em;

    ::-webkit-search-cancel-button {
      -webkit-appearance: none;
    }

    @media (any-hover: hover) {
      &:hover {
        --input-background: var(--color-ink-lighter);

        span {
          background: var(--color-ink-lighter);
        }
      }
    }

    span {
      background: var(--color-ink-lightest);
      block-size: auto;
      border-radius: 0.3125em;
      box-shadow:
        0 0 0 1px oklch(var(--lch-ink-darkest) / 0.1),
        0 0.1em 0.2em -0.1em oklch(var(--lch-ink-darkest) / 0.05),
        0 0.2em 0.4em -0.2em oklch(var(--lch-ink-darkest) / 0.05),
        0 0.3em 0.6em -0.3em oklch(var(--lch-ink-darkest) / 0.05)
      ;
      display: grid;
      height: 1.5em;
      inline-size: 1.5em;
      padding: 0.325em 0.275em 0.225em 0.275em;
      place-content: center;
      width: 1.5em;
    }

    svg {
      height: 100%;
      margin-inline-start: 0.4125em;
      margin-inline-end: 0.5375em;
      max-height: 0.8625em;
      overflow: visible;
      width: auto;
    }
  }

  /* Dialog
  /* ------------------------------------------------------------------------ */

  .nav__menu.popup {
    --panel-border-color: var(--color-selected-dark);
    --panel-border-radius: 1.4em;
    --panel-padding: var(--block-space);
    --panel-size: 45ch;
    --popup-display: grid;
    --nav-section-gap: 2px;

    block-size: auto;
    box-shadow: 0 0 0 1px oklch(var(--lch-blue-medium) / 5%),
                0 0.2em 0.2em oklch(var(--lch-blue-medium) / 5%),
                0 0.4em 0.4em oklch(var(--lch-blue-medium) / 5%),
                0 0.8em 0.8em oklch(var(--lch-blue-medium) / 5%);
    grid-template-rows: auto 1fr auto;
    gap: var(--nav-section-gap);
    max-block-size: calc(100dvh - var(--block-space) - var(--footer-height));
    overflow: hidden;
    padding-block-end: 0;
    scrollbar-gutter: stable both-edges;
    z-index: var(--z-nav);

    @media (max-height: 668px) {
      max-block-size: calc(100dvh - var(--block-space));
    }
  }

  .nav__scroll-container {
    display: flex;
    flex-direction: column;
    gap: var(--nav-section-gap);
    margin-inline: calc(-1 * var(--block-space)); /* space for scrollbar */
    overflow: auto;
    padding-block-end: var(--nav-section-gap);
    padding-inline: var(--block-space);
  }

  .nav__close {
    @media (any-hover: hover) {
      display: none !important;
    }
  }

  .nav__section {
    border-block-start: 1px solid var(--color-ink-lighter);
    font-size: var(--text-small);

    &[open] {
      padding-block-end: 0.4rem;
    }
  }

  .nav__section--secret:not([data-is-filtering]) {
    display: none;
  }

  .nav__header {
    --actions-width: 2rem;

    display: grid;
    grid-template-columns: var(--actions-width) 1fr var(--actions-width);
    grid-template-areas:
      "actions-start title actions-end";
    justify-items: center;
  }

  .nav__header-actions {
    display: flex;
    font-size: var(--text-x-small);
    gap: var(--inline-space);
    inline-size: var(--actions-width);
    min-inline-size: fit-content;
  }

  .nav__header-actions--end {
    grid-area: actions-end;
    justify-content: flex-end;
    margin-inline-start: auto;
  }

  .nav__header-actions--start {
    grid-area: actions-start;
    margin-inline-end: auto;
  }

  .nav__header-title {
    color: inherit;
    grid-area: title;
    justify-content: center;
    margin: auto;
    min-inline-size: 0;
    text-align: center;
  }

  .nav__hotkeys {
    --gap: 8px;

    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: var(--gap);
    inline-size: 100%;
    list-style: none;
    justify-content: center;
    margin: var(--block-space) auto calc(var(--block-space-half) / 2);
    max-inline-size: 100%;

    /* When all its children are hidden, hide this as well so it doesn't take up space */
    &:has(.popup__item[hidden]):not(:has(.popup__item:not([hidden]))) {
      display: none;
    }

    .btn {
      --btn-border-radius: 0.4em;

      align-content: end;
      aspect-ratio: 5/3;
      background-color: var(--color-ink-lightest);
      border-radius: 0.5em;
      container-type: inline-size;
      flex-basis: calc((100% - var(--gap) * 2) / 3);
      flex-direction: column;
      font-size: var(--text-small);
      line-height: 1;
      justify-content: center;
      overflow: hidden;
      position: relative;
      row-gap: 0.3lh;
      text-align: center;

      kbd {
        inset: 0.66em 0.33em auto auto;
        line-height: 1.4;
        opacity: 0.5;
        position: absolute;

        @media (any-hover: none) {
          /* This is a reasonable way to assert touch devices. any-pointer would seem */
          /* to be a better fit but it is incorrectly reported on many devices */
          display: none;
        }
      }

      .icon {
        --icon-size: 2em !important;
      }

      span {
        display: flex;
        text-wrap: nowrap;
      }

      @media (max-width: 639px) {
        font-size: var(--text-x-small);
        font-size: clamp(var(--text-xx-small), 3.15cqi, var(--text-small));
        font-weight: 500;
      }
    }
  }

  .nav__blank-slate {
    font-size: var(--text-small);
    margin: 2rem auto;

    .nav:has(.popup__item:not([hidden])) & {
      display: none;
    }
  }

  .nav__footer {
    background-color: var(--color-canvas);
    border-block-start: 1px solid var(--color-ink-lighter);
    font-size: var(--text-small);
    line-height: 1.6;
    margin-block-start: calc(-1 * var(--nav-section-gap));
    padding: 1.5ch;
    text-align: center;
    z-index: 1;

    @media (max-height: 668px) {
      font-size: var(--text-x-small);
    }
  }
}