/* ── Navigator Date Buckets ── */
.navigator-bucket {
  border: none;
  margin: 0;
  padding: 0;
}

.navigator-bucket[open] > .navigator-bucket-header {
  background: rgba(31, 111, 139, 0.06);
  border-radius: 8px;
}

.navigator-bucket-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink);
  border-radius: 8px;
  transition: background 0.15s;
  list-style: none;
  user-select: none;
}

.navigator-bucket-header::-webkit-details-marker {
  display: none;
}

.navigator-bucket-header::before {
  content: "▶";
  display: inline-block;
  font-size: 0.6rem;
  margin-right: 6px;
  transition: transform 0.15s;
  color: var(--muted);
}

.navigator-bucket[open] > .navigator-bucket-header::before {
  transform: rotate(90deg);
}

.navigator-bucket-header:hover {
  background: rgba(31, 111, 139, 0.04);
}

.bucket-label {
  flex: 1;
  text-align: left;
}

.bucket-count {
  background: rgba(32, 33, 36, 0.06);
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 600;
  min-width: 22px;
  padding: 1px 8px;
  text-align: center;
}

.navigator-bucket .navigator-item {
  padding-left: 28px;
}