.directory-tools {
  position: sticky;
  top: 72px;
  z-index: 8;
  margin: 0 0 28px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: color-mix(in oklab, var(--surface) 92%, transparent);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.directory-search {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: 13px;
  background: var(--surface-2);
}

.directory-search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 18%, transparent);
}

.directory-search__icon { color: var(--accent); font-size: 24px; line-height: 1; }
.directory-search input {
  width: 100%;
  min-width: 0;
  min-height: 50px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font: 500 16px var(--font-ui);
}
.directory-search input::placeholder { color: var(--text-mute); }
.directory-search kbd {
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text-mute);
  background: var(--surface);
  font: 12px var(--font-mono);
}

.directory-filters {
  display: flex;
  gap: 7px;
  margin-top: 11px;
  overflow-x: auto;
  scrollbar-width: none;
}
.directory-filters::-webkit-scrollbar { display: none; }
.directory-filter {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 7px 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-soft);
  background: var(--surface-2);
  font: 600 13px var(--font-ui);
  cursor: pointer;
}
.directory-filter:hover { color: var(--text); border-color: var(--border-strong); }
.directory-filter:focus-visible { outline: 3px solid color-mix(in oklab, var(--accent) 35%, transparent); outline-offset: 2px; }
.directory-filter.is-active {
  color: #06110f;
  border-color: var(--accent);
  background: var(--accent);
}
.directory-status { margin: 10px 2px 0; color: var(--text-mute); font-size: 12.5px; }

.hub-group { margin: 2rem 0 0; }
.hub-group[hidden], .hub-list li[hidden] { display: none !important; }
.hub-group__h { font-family: var(--font-display); font-size: 20px; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 2px; }
.hub-group__count { font-size: 12.5px; color: var(--text-mute); margin: 0 0 12px; }
.hub-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr)); gap: 9px; list-style: none; padding: 0; margin: 0; }
.hub-list a {
  display: grid;
  align-content: start;
  height: 100%;
  min-width: 0;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  background: color-mix(in oklab, var(--surface) 82%, transparent);
  text-decoration: none;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}
.hub-list a:hover { border-color: color-mix(in oklab, var(--accent) 45%, var(--border)); background: color-mix(in oklab, var(--accent) 6%, var(--surface-2)); transform: translateY(-1px); }
.hub-list a:focus-visible { outline: 3px solid color-mix(in oklab, var(--accent) 35%, transparent); outline-offset: 2px; }
.hub-list__name { min-width: 0; overflow-wrap: anywhere; font-weight: 650; font-size: 14.5px; line-height: 1.3; }
.hub-list__blurb { display: -webkit-box; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; font-size: 12.5px; color: var(--text-soft); line-height: 1.42; margin-top: 4px; }
.directory-empty { margin: 30px 0 80px; padding: 30px; border: 1px dashed var(--border-strong); border-radius: 16px; text-align: center; color: var(--text-soft); }

@media (max-width: 600px) {
  .directory-tools { top: 68px; margin-inline: -4px; padding: 10px; border-radius: 15px; }
  .directory-search kbd { display: none; }
  .directory-search input { min-height: 46px; font-size: 15px; }
  .hub-list { grid-template-columns: 1fr; }
  .hub-list a { padding: 12px 13px; }
}

@media print {
  .directory-tools { position: static; box-shadow: none; backdrop-filter: none; }
}