.reader-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 1.25rem;
}

.reader-directory-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: .75rem;
  background: var(--surface);
  font-size: .9rem;
}

.reader-directory-panel summary {
  display: flex;
  align-items: center;
  gap: .55rem;
  cursor: pointer;
  list-style: none;
}

.reader-directory-panel summary::-webkit-details-marker { display: none; }

.reader-directory-panel summary::after {
  content: "";
  flex: none;
  width: .42rem;
  height: .42rem;
  margin-inline: .15rem;
  border-inline-end: 1.5px solid var(--muted);
  border-block-end: 1.5px solid var(--muted);
  transform: rotate(45deg) translate(-.1rem, -.1rem);
}

.reader-directory-panel details[open] > summary::after,
.reader-directory-panel[open] > summary::after {
  transform: rotate(225deg) translate(-.1rem, -.1rem);
}

.reader-directory-title {
  min-height: 3.2rem;
  padding: .65rem .9rem;
  font-size: 1.03rem;
  font-weight: 700;
}

.reader-directory-title > span:nth-child(2),
.reader-directory-group-label { margin-inline-end: auto; }

.reader-directory-icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 1.65rem;
  height: 1.65rem;
  border-radius: .35rem;
  background: var(--mark);
  color: var(--accent);
}

.reader-directory-icon svg { width: 1rem; height: 1rem; }

.reader-directory-content {
  overflow: auto;
  max-block-size: 60vh;
  max-block-size: 60svh;
  padding: 0 .9rem .7rem;
  overflow-wrap: anywhere;
}

.reader-directory-status,
.reader-directory-results-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: .1rem .6rem;
}

.reader-directory-status {
  color: var(--muted);
  padding-block: .1rem .65rem;
  font-size: .8rem;
}

.reader-directory-status strong {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.reader-directory-content ul { list-style: none; padding: 0; margin: 0; }

.reader-directory-content .reader-directory-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin-block-end: .75rem;
}

.reader-directory-chips a {
  display: inline-flex;
  align-items: baseline;
  gap: .35rem;
  padding: .2rem .5rem;
  border: 1px solid var(--line);
  border-radius: .35rem;
  background: var(--mark);
  color: var(--ink);
  font-size: .78rem;
  text-decoration: none;
}

.reader-directory-chips a:hover strong { text-decoration: underline; }

.reader-directory-groups {
  border-block: 1px solid var(--line);
}

.reader-directory-groups details + details { border-block-start: 1px solid var(--line); }

.reader-directory-groups summary {
  min-height: 2.65rem;
  padding: .4rem .15rem;
}

.reader-directory-group-label { flex: none; font-weight: 600; }

.reader-directory-group-state {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: .79rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reader-directory-group-state.is-selected {
  color: var(--accent);
  font-weight: 700;
}

.reader-directory-groups ul {
  max-block-size: 13rem;
  overflow: auto;
  margin-block-end: .4rem;
}

.reader-directory-groups li a,
.reader-directory-results li a {
  display: flex;
  justify-content: space-between;
  gap: .55rem;
  padding: .35rem .5rem;
  border-radius: .3rem;
  color: var(--ink);
  text-decoration: none;
}

.reader-directory-content li a:hover { background: var(--paper); text-decoration: underline; }
.reader-directory-content li a[aria-current] { background: var(--mark); font-weight: 700; }
.reader-directory-content :focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.reader-directory-count { flex: none; align-self: start; font-variant-numeric: tabular-nums; }
.reader-directory-empty { color: var(--muted); font-size: .83rem; padding: .35rem .45rem; }

.reader-directory-results { margin-block-start: .8rem; }
.reader-directory-results-head { padding: .1rem 0 .4rem; }
.reader-directory-results h2 { font-size: .92rem; margin: 0; }
.reader-directory-results > ul > li + li { border-block-start: 1px solid var(--line); }
.reader-directory-results .entry-metrics { padding: 0 .5rem .35rem; gap: .2rem .55rem; }
.reader-directory-pagination { font-size: .8rem; margin-block-start: .55rem; gap: .3rem .5rem; }

.reader-directory-overview {
  margin: .65rem 0 0;
  font-size: .82rem;
}

.reader-directory-overview a { display: inline-flex; gap: .3rem; }
.reader-content { min-width: 0; }

@media (min-width: 56rem) {
  .reader-layout {
    width: min(100% - 3rem, 73rem);
    grid-template-columns: minmax(14rem, 17rem) minmax(0, 51rem);
    gap: clamp(1.5rem, 3vw, 3rem);
  }

  #reader-directory { position: sticky; top: 1rem; }

  .reader-directory-content {
    max-block-size: calc(100vh - 5rem);
    max-block-size: calc(100dvh - 5rem);
    overscroll-behavior: contain;
  }
}