/* Topbar — on the dark chrome, above the sheet (see page.css). */
@scope (.topbar) {
  :scope {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    block-size: 100%;
    padding-inline: 20px;
    font-size: 0.9rem;
    color: var(--color-chrome-text);
  }

  /* Account switcher: the native select covers the whole pill so any part
     of it opens the list; tile and chevron sit on top, click-through. */
  .topbar__account {
    position: relative;
    display: flex;
    align-items: center;
    flex-shrink: 0;
    block-size: 38px;
    border: 1px solid var(--color-chrome-control-edge);
    border-radius: 10px;
    background: var(--color-chrome-control);
    transition: background 0.15s ease;

    &:hover {
      background: var(--color-chrome-selected);
    }

    &:has(:focus-visible) {
      outline: var(--focus-ring);
      outline-offset: var(--focus-ring-offset);
    }
  }

  .topbar__account-tile {
    position: absolute;
    inset-inline-start: 6px;
    display: grid;
    place-items: center;
    inline-size: 26px;
    block-size: 26px;
    border-radius: 7px;
    font-size: 0.7333rem;
    font-weight: var(--font-semibold);
    color: var(--color-chrome-text);
    background: var(--color-chrome-tile);
    pointer-events: none;

    .icon {
      width: 1.45em;
      height: 1.45em;
    }
  }

  .topbar__account-select {
    appearance: none;
    field-sizing: content;
    inline-size: auto;
    max-inline-size: 16rem;
    block-size: 100%;
    padding-inline: 42px 32px;
    border: 0;
    border-radius: inherit;
    font-size: inherit;
    font-weight: var(--font-medium);
    color: var(--color-chrome-text-strong);
    text-overflow: ellipsis;
    background: transparent;
    cursor: pointer;

    &:focus-visible {
      outline: none;
    }
  }

  .icon.topbar__account-chevron {
    position: absolute;
    inset-inline-end: 10px;
    width: 1.35em;
    height: 1.35em;
    color: var(--color-chrome-text-faint);
    pointer-events: none;
  }

  .topbar__breadcrumb {
    min-width: 0;
    overflow: hidden;

    ol {
      display: flex;
      align-items: center;
      gap: var(--space-sm);
      list-style: none;
      white-space: nowrap;
      color: var(--color-chrome-text-faint);
    }

    li {
      display: flex;
      align-items: center;
      gap: var(--space-sm);
      min-width: 0;
    }

    li[aria-current="page"] {
      font-weight: var(--font-medium);
      color: var(--color-chrome-text-strong);
    }

    /* The section gives way first, so the page name stays readable longer. */
    li:not([aria-current="page"]) {
      flex-shrink: 4;
    }
  }

  /* When the topbar runs out of room the page name ends in an ellipsis
     instead of being cut mid-letter. */
  .topbar__breadcrumb-label {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .icon.topbar__breadcrumb-separator {
    flex-shrink: 0;
  }

  .icon.topbar__breadcrumb-separator {
    width: 1.2em;
    height: 1.2em;
  }

  .topbar__admin,
  .topbar__actions {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  /* Whichever right-hand group comes first takes the free space. */
  .topbar__admin,
  .topbar__actions:not(.topbar__admin + .topbar__actions) {
    margin-inline-start: auto;
  }

  .topbar__link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    block-size: 36px;
    padding-inline: 10px;
    border-radius: 9px;
    font-weight: var(--font-medium);
    color: var(--color-chrome-text-muted);
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.15s ease, color 0.15s ease;

    &:hover {
      color: var(--color-chrome-text-strong);
      background: var(--color-chrome-hover);
      text-decoration: none;
    }

    &[aria-current="page"] {
      color: var(--color-chrome-text-strong);
      background: var(--color-chrome-selected);
    }

    &:focus-visible {
      outline: var(--focus-ring);
      outline-offset: var(--focus-ring-offset);
    }
  }

  .topbar__icon-button {
    all: unset;
    box-sizing: border-box;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    inline-size: 36px;
    block-size: 36px;
    border-radius: 9px;
    color: var(--color-chrome-text-muted);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;

    &:hover {
      color: var(--color-chrome-text-strong);
      background: var(--color-chrome-hover);
    }

    &[aria-current="page"] {
      color: var(--color-chrome-text-strong);
      background: var(--color-chrome-selected);
    }

    &:focus-visible {
      outline: var(--focus-ring);
      outline-offset: var(--focus-ring-offset);
    }
  }

  .icon.topbar__icon {
    width: 1.5em;
    height: 1.5em;
  }

  .topbar__sign-out {
    display: contents;
  }

  .topbar__divider {
    flex-shrink: 0;
    inline-size: 1px;
    block-size: 24px;
    background: var(--color-chrome-control-edge);
  }

  .topbar__profile {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    white-space: nowrap;
  }

  .topbar__profile-avatar {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    inline-size: 32px;
    block-size: 32px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: var(--font-semibold);
    color: var(--white);
    box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.12);

    &.avatar-color-0 { background-color: var(--blue-600); }
    &.avatar-color-1 { background-color: var(--emerald-600); }
    &.avatar-color-2 { background-color: var(--amber-600); }
    &.avatar-color-3 { background-color: var(--rose-600); }
    &.avatar-color-4 { background-color: var(--violet-600); }
    &.avatar-color-5 { background-color: var(--teal-600); }
    &.avatar-color-6 { background-color: var(--orange-600); }
    &.avatar-color-7 { background-color: var(--pink-600); }
  }

  .topbar__profile-details {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
  }

  .topbar__profile-name {
    font-size: 0.875rem;
    font-weight: var(--font-medium);
    color: var(--color-chrome-text-strong);
  }

  .topbar__profile-role {
    font-size: 0.7667rem;
    color: var(--color-chrome-text-faint);
  }

  /* Below ~1100px the name and role give their room to the breadcrumb. */
  @media (width < 68.75rem) {
    .topbar__profile-details {
      display: none;
    }
  }
}