/* Wayfinding: the section bar under the header (src/wayfinding.js) and the Explore directory and section hubs
   (src/views/explore.js). Both read src/sitemap.js. Tokens come from ds.css. */

/* ── section bar ─────────────────────────────────────────────────────────── */
.section-bar {
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}
.sb-inner {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  width: min(1200px, 100%);
  margin: 0 auto;
  padding: 0.4rem clamp(1rem, 3vw, 2rem);
}
.sb-where {
  display: flex;
  flex: none;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  font-weight: 700;
  white-space: nowrap;
}
.sb-section {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 2.75rem;
  color: var(--brand-deep);
  text-decoration: none;
}
.sb-section:hover span {
  text-decoration: underline;
}
.sb-section .ico {
  width: 1.15rem;
  height: 1.15rem;
}
.sb-sep {
  color: var(--ink-3);
}
.sb-skill {
  color: var(--ink-2);
}
.sb-links {
  display: flex;
  flex: 1 1 auto;
  gap: 0.35rem;
  min-width: 0;
  margin: 0;
  padding: 0.15rem 0;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
  scroll-snap-type: x proximity;
}
.sb-links li {
  flex: none;
  scroll-snap-align: start;
}
.sb-links[data-more-end] {
  mask-image: linear-gradient(to right, #000 calc(100% - 3rem), transparent);
}
.sb-links[data-more-start] {
  mask-image: linear-gradient(to right, transparent, #000 3rem);
}
.sb-links[data-more-start][data-more-end] {
  mask-image: linear-gradient(to right, transparent, #000 3rem, #000 calc(100% - 3rem), transparent);
}
.sb-links a,
.sb-all {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0 0.85rem;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.sb-links a:hover {
  border-color: var(--line-control);
  background: var(--surface);
}
.sb-links a[aria-current="page"] {
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
}
.sb-all {
  flex: none;
  color: var(--brand-deep);
}
.sb-all:hover {
  text-decoration: underline;
}
@media (max-width: 720px) {
  .sb-inner {
    flex-wrap: wrap;
    gap: 0 var(--s-2);
    padding-inline: 1rem;
  }
  .sb-where {
    flex: 1 1 0;
    flex-wrap: wrap;
    min-width: 0;
    font-size: 0.95rem;
    white-space: normal;
  }
  .sb-section {
    min-width: 0;
    overflow-wrap: anywhere;
  }
  .sb-all {
    margin-inline-start: auto;
    padding-inline: 0.4rem;
  }
  .sb-links {
    order: 3;
    flex-basis: 100%;
  }
}

/* ── Explore directory and section hubs ──────────────────────────────────── */
.xp-head h1 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
}
.xp-lead {
  max-width: 62ch;
  margin: 0 0 var(--s-4);
  color: var(--ink-2);
  font-size: 1.1rem;
}
.xp-sections {
  display: flex;
  gap: 0.4rem;
  margin: 0 0 var(--s-4);
  padding-bottom: 0.25rem;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
}
.xp-sections a {
  display: inline-flex;
  flex: none;
  align-items: center;
  gap: 0.4rem;
  min-height: 2.75rem;
  padding: 0 0.9rem;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  color: var(--ink-2);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.xp-sections a:hover {
  color: var(--ink);
  background: var(--surface-2);
}
.xp-sections a[aria-current="page"] {
  color: var(--brand-deep);
  box-shadow: inset 0 -3px 0 var(--brand);
}
.xp-sections .ico {
  width: 1.1rem;
  height: 1.1rem;
}
.xp-filters {
  display: grid;
  gap: var(--s-2);
  margin-bottom: var(--s-4);
}
.xp-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 34rem;
  padding: 0 0.9rem;
  border: 1.5px solid var(--line-control);
  border-radius: 999px;
  background: var(--surface);
}
.xp-search:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-soft);
}
.xp-search .ico {
  flex: none;
  width: 1.1rem;
  height: 1.1rem;
  color: var(--ink-3);
}
.xp-search input {
  flex: 1;
  min-width: 0;
  min-height: 2.75rem;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  outline: none;
}
.xp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.xp-chips .chip {
  min-height: 2.5rem;
  font-size: 0.925rem;
}
.xp-chips .chip .ico {
  width: 1rem;
  height: 1rem;
}
.xp-count {
  margin: 0 0 var(--s-2);
  color: var(--ink-3);
  font-weight: 600;
}
.xp-group {
  margin-bottom: var(--s-5);
}
.xp-group-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 var(--s-3);
  font-size: 1.3rem;
}
.xp-group-title .ico {
  width: 1.3rem;
  height: 1.3rem;
  color: var(--brand);
}
.xp-group-all {
  margin-left: auto;
  font-size: 0.95rem;
  font-weight: 700;
}
.xp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 17rem), 1fr));
  gap: var(--s-3);
  margin: 0;
  padding: 0;
  list-style: none;
}
.xp-card-link {
  display: flex;
  gap: 0.8rem;
  height: 100%;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  transition:
    border-color var(--dur-2) var(--ease-out),
    transform var(--dur-2) var(--ease-out);
}
.xp-card-link:hover {
  border-color: var(--brand);
  transform: translateY(-2px);
}
.xp-card-link:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 2px;
}
.xp-card-ico {
  display: grid;
  flex: none;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: var(--radius-sm);
  background: var(--brand-soft);
  color: var(--brand-deep);
}
.xp-card-ico .ico {
  width: 1.35rem;
  height: 1.35rem;
}
.xp-card-body {
  display: grid;
  gap: 0.25rem;
  align-content: start;
}
.xp-card-title {
  font-weight: 800;
  font-size: 1.05rem;
}
.xp-card-text {
  color: var(--ink-2);
  font-size: 0.95rem;
  line-height: 1.45;
}
.xp-ext {
  color: var(--ink-3);
  font-weight: 600;
  font-size: 0.85rem;
}
.xp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.2rem;
}
.xp-tag {
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--ink-2);
  font-size: 0.8rem;
  font-weight: 700;
}
.xp-empty {
  padding: var(--s-5);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  text-align: center;
}
.menu-group a.menu-all {
  color: var(--brand-deep);
  font-weight: 800;
}
@media (prefers-reduced-motion: reduce) {
  .xp-card-link {
    transition: none;
  }
  .xp-card-link:hover {
    transform: none;
  }
}

/* ── site-map blocks: home "Find your way", teacher and family start pages (src/sitemap-ui.js) ─ */
.sm-tiles,
.sm-audience {
  margin: var(--s-5) 0;
}
.sm-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-bottom: var(--s-3);
}
.sm-head h2 {
  margin: 0;
}
.sm-all {
  font-weight: 800;
}
.sm-lead {
  max-width: 62ch;
  margin: 0 0 var(--s-3);
  color: var(--ink-2);
}
.sm-tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr));
  gap: var(--s-3);
  margin: 0;
  padding: 0;
  list-style: none;
}
.sm-tile {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.2rem 0.75rem;
  height: 100%;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
}
.sm-tile:hover {
  border-color: var(--brand);
}
.sm-tile:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 2px;
}
.sm-tile-ico {
  display: grid;
  grid-row: span 2;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: var(--radius-sm);
  background: var(--brand-soft);
  color: var(--brand-deep);
}
.sm-tile-ico .ico {
  width: 1.35rem;
  height: 1.35rem;
}
.sm-tile-title {
  font-weight: 800;
  font-size: 1.1rem;
}
.sm-tile-text {
  color: var(--ink-2);
  font-size: 0.925rem;
  line-height: 1.4;
}
.sm-groups {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr));
  gap: var(--s-4);
}
.sm-group {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.sm-group h3 {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 0.6rem;
  font-size: 1.1rem;
}
.sm-group h3 .ico {
  width: 1.2rem;
  height: 1.2rem;
  color: var(--brand);
}
.sm-group ul {
  display: grid;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.sm-group li a {
  display: grid;
  gap: 0.1rem;
  min-height: 2.75rem;
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius-sm);
  color: var(--ink);
  text-decoration: none;
}
.sm-group li a:hover {
  background: var(--surface-2);
}
.sm-group li a strong {
  color: var(--brand-deep);
}
.sm-group li a span {
  color: var(--ink-2);
  font-size: 0.9rem;
}

/* Teachers, Families and Site Guide are equal doors on narrow headers (`.top-teachers`, `.top-family`, `.top-guide`). */
@media (max-width: 1199px) {
  .lab-tools > .top-family,
  .lab-tools > .top-teachers,
  .lab-tools > .top-guide {
    flex: 1 1 32%;
    min-width: 7.5rem;
  }
}
/* Tablet widths: 32% plus the row gaps overflows, so the third door wrapped alone and stretched. Zero basis keeps all three on one row. */
@media (min-width: 560px) and (max-width: 959px) {
  .lab-tools > .top-family,
  .lab-tools > .top-teachers,
  .lab-tools > .top-guide {
    flex: 1 1 0;
  }
}
@media (max-width: 559px) {
  .lab-tools > .top-family,
  .lab-tools > .top-teachers,
  .lab-tools > .top-guide {
    flex: 1 1 calc(50% - 0.25rem);
    min-width: 0;
  }
  .lab-utilities {
    order: 3;
  }
}

/* Re-addressed 2026-11-12: the edge pinned the previous build of this file under its new hash (see functions/access-practice-lab/[[path]].js). */