:root {
  --ink: #111;
  --dim: #8a8a8a;
  --line: #e8e8e8;
  --accent: #0a49ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 1rem 2rem;
  color: var(--ink);
  background: #fff;
  font: 16px/1.5 "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.index {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
}

.index li {
  position: relative;
  display: grid;
  grid-template-columns: 48px 220px 560px 1fr;
  gap: 28px;
  align-items: baseline;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

.num,
.date {
  color: var(--dim);
  font-size: 13px;
}

.title {
  color: var(--ink);
  text-decoration: none;
}

/* stretch the title link across the whole row so any cell is clickable */
a.title::after {
  content: "";
  position: absolute;
  inset: 0;
}

.index li:hover:has(a.title) {
  background: #f7f7f7;
}

.index li:hover a.title {
  color: var(--accent);
}

.desc {
  color: #666;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.date {
  justify-self: end;
}

/* not yet available: gray out the whole row */
.soon {
  opacity: 0.4;
}

.head {
  font-size: 13px;
}

.head .title,
.head .desc {
  color: var(--dim);
}

.head span {
  cursor: pointer;
  user-select: none;
}

.head .sorted-asc::after {
  content: " ↑";
}

.head .sorted-desc::after {
  content: " ↓";
}

@media (max-width: 900px) {
  .index li {
    grid-template-columns: 40px minmax(120px, auto) 1fr auto;
    gap: 20px;
  }
}

@media (max-width: 600px) {
  .index li {
    grid-template-columns: 28px 1fr auto;
    gap: 12px;
  }

  .desc {
    display: none;
  }
}