@layer components {
  /* Recent activity: a drawer from the right over the map on a computer, a
     sheet from the bottom on a phone, or a plain page without script. Rows
     are a quiet list separated by rules, like the neighbor rail. */
  .activity-drawer {
    position: fixed;
    inset-block: 0;
    inset-inline: auto 0;
    inline-size: min(26rem, 100vw);
    max-inline-size: 100vw;
    block-size: 100dvh;
    max-block-size: 100dvh;
    margin: 0;
    padding: 0;
    overflow: hidden;
    border: 0;
    border-inline-start: .0625rem solid rgb(16 38 83 / 18%);
    background: var(--color-white);
    box-shadow: var(--shadow-float);
    color: var(--color-navy);
  }

  .activity-drawer[open] {
    animation: activity-drawer-enter 200ms cubic-bezier(.2, .8, .2, 1) both;
  }

  .activity-drawer::backdrop {
    background: rgb(16 38 83 / 22%);
  }

  .activity-drawer-frame {
    display: block;
    block-size: 100%;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .activity-drawer .account-modal-loading {
    padding-block: 4rem;
  }

  .activity-panel {
    padding: 1.4rem 1.25rem 1.5rem;
  }

  /* The full page, in a browser or an app's sheet, lists from the top
     rather than centering like the account forms. */
  .activity-panel.account-panel {
    align-self: start;
  }

  .activity-panel :is(h1, h2) {
    padding-inline-end: 3.5rem;
    color: var(--color-navy);
    font-size: 1.08rem;
    font-weight: 800;
    line-height: 1.45;
  }

  .activity-list {
    margin-block-start: .75rem;
    list-style: none;
  }

  .activity-list > li + li {
    border-block-start: .0625rem solid var(--color-line);
  }

  .activity-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    gap: .75rem;
    padding: .75rem .35rem;
    border-radius: .45rem;
    color: var(--color-navy-soft);
    font-size: .86rem;
    line-height: 1.45;
    text-decoration: none;
    overflow-wrap: anywhere;
  }

  a.activity-row:hover {
    background: var(--color-cream);
  }

  a.activity-row:focus-visible {
    outline: .15rem solid var(--color-navy);
    outline-offset: .12rem;
    background: var(--color-cream);
  }

  .activity-row strong {
    color: var(--color-navy);
    font-weight: 750;
  }

  .activity-row-time {
    color: var(--color-muted);
    font-family: var(--font-meta);
    font-size: .7rem;
    white-space: nowrap;
  }

  .activity-empty {
    margin-block-start: .75rem;
    color: var(--color-navy-soft);
    font-size: .86rem;
  }

  @keyframes activity-drawer-enter {
    from {
      opacity: 0;
      transform: translateX(1.5rem);
    }
  }

  @keyframes activity-sheet-enter {
    from {
      opacity: 0;
      transform: translateY(1.5rem);
    }
  }

  @media (max-width: 40rem) {
    .activity-drawer {
      inset-block: auto 0;
      inset-inline: 0;
      inline-size: 100vw;
      block-size: auto;
      max-block-size: 80dvh;
      border-inline-start: 0;
      border-block-start: .0625rem solid rgb(16 38 83 / 18%);
      border-start-start-radius: var(--radius-panel);
      border-start-end-radius: var(--radius-panel);
    }

    .activity-drawer[open] {
      animation-name: activity-sheet-enter;
    }

    .activity-drawer-frame {
      max-block-size: 80dvh;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .activity-drawer[open] {
      animation: none;
    }
  }
}