/* css/directory.css — Shared filterable-directory component: a left category
   rail (with an optional search box) beside a grid of cards. Used by the tools
   directory (/tools/) and the blog index (/blog/), driven by
   js/directory-filter.js. Page-specific card and grid styles stay with their
   pages (tools.css, blog.css); this file owns the layout, the rail, the search
   box, and the filtered/empty states.
   Mobile-first: filters are a wrapping row on top, then a left rail from
   768px up. */

.directory-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

/* Grid/flex items default to min-width:auto, which lets wide content (the filter
   rail, long card text) blow the track past the viewport and side-scroll the
   whole page. Pin tracks to 0 so they never exceed their column. */
.directory-layout > * {
  min-width: 0;
}

/* ---- Sidebar / filter rail ------------------------------------------------ */

.directory-sidebar {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-md);
}

.directory-sidebar-label {
  margin: 0 0 var(--space-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.directory-search {
  width: 100%;
  margin: 0 0 var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  font-size: var(--font-size-base);
  font-family: inherit;
  color: var(--color-text);
}

.directory-search::placeholder {
  color: var(--color-text-muted);
}

.directory-search:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

/* Mobile: filters wrap onto multiple rows (no side-scroll). Desktop turns this
   into a vertical rail (see the min-width media query below). */
.directory-filter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.directory-filter {
  appearance: none;
  white-space: nowrap;
  border: 1px solid transparent;
  background: transparent;
  border-radius: 8px;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.directory-filter:hover {
  background: var(--color-background-muted);
  color: var(--color-text);
}

.directory-filter.is-active {
  background: var(--color-primary);
  color: var(--color-primary-text);
  font-weight: 600;
}

.directory-filter:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

/* ---- Cards / filtered states ---------------------------------------------- */

/* Card items are display:flex in their page styles, which outranks the UA
   [hidden] rule; this restores it so the JS filter's item.hidden = true works. */
.directory-item[hidden] {
  display: none;
}

.directory-card-category {
  margin: 0 0 var(--space-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.directory-empty {
  margin: 0;
  color: var(--color-text-secondary);
}

/* ---- Two-column from tablet up -------------------------------------------- */

@media (min-width: 768px) {
  .directory-layout {
    grid-template-columns: 220px 1fr;
    gap: var(--space-2xl);
    align-items: start;
  }

  .directory-sidebar {
    position: sticky;
    top: var(--space-xl);
    border-right: 1px solid var(--color-border);
    border-bottom: none;
    padding: 0 var(--space-lg) 0 0;
  }

  .directory-filter-list {
    flex-direction: column;
    gap: var(--space-xs);
    overflow-x: visible;
  }

  .directory-filter {
    width: 100%;
    text-align: left;
  }
}