@layer components {
  /* Backdrop overlay — generated by the parent when drawer is open */
  :has(> .drawer[open])::before {
    content: "";
    position: fixed;
    inset: 0;
    background: oklch(var(--lch-black) / 40%);
    z-index: calc(var(--z-dialog) - 1);
    opacity: 0;
    transition: opacity 200ms;
    pointer-events: none;
  }

  :has(> .drawer[open])::before {
    opacity: 1;
  }

  .drawer {
    background: var(--color-canvas);
    border: 0;
    color: var(--color-ink);
    position: fixed;
    inset-block: 0;
    inset-inline-end: 0;
    inset-inline-start: auto;
    inline-size: min(300px, 80vw);
    max-inline-size: none;
    max-block-size: none;
    block-size: 100dvh;
    margin: 0;
    padding: 0;
    overflow: auto;
    z-index: var(--z-dialog);
    box-shadow: var(--shadow-strong);

    /* Slide from inline-end (right in LTR, left in RTL) */
    translate: 100% 0;
    opacity: 0;
    transition-behavior: allow-discrete;
    transition-duration: 200ms;
    transition-property: display, opacity, overlay, translate;
    transition-timing-function: var(--ease-out-expo);

    &[open] {
      translate: 0 0;
      opacity: 1;
      transition-duration: 250ms;
    }

    @starting-style {
      &[open] {
        translate: 100% 0;
        opacity: 0;
      }
    }

    @media (min-width: 640px) {
      inline-size: 320px;
    }
  }

  .drawer__body {
    display: flex;
    flex-direction: column;
    gap: 1px;
    padding: var(--block-space-half);
  }

  .drawer__heading {
    color: var(--color-ink-medium);
    font-size: var(--text-x-small);
    font-weight: 600;
    text-transform: uppercase;
    padding: var(--block-space-half) var(--inline-space-half);
    margin-block-start: var(--block-space-half);
  }

  .drawer__btn {
    align-items: center;
    background: transparent;
    border: none;
    border-radius: 0.3em;
    color: var(--color-ink);
    cursor: pointer;
    display: flex;
    font-size: var(--text-small);
    font-weight: 500;
    gap: var(--inline-space);
    inline-size: 100%;
    padding: var(--inline-space-half) var(--inline-space-half);
    text-align: start;
    text-decoration: none;

    &:hover {
      background: var(--color-ink-lightest);
    }

    &[aria-checked="true"] {
      background: var(--color-selected-light);
      color: var(--color-link);
      font-weight: 600;
    }
  }

  .drawer__divider {
    border: none;
    border-block-start: 1px solid var(--color-ink-lightest);
    margin-block: var(--block-space-half);
  }
}