/* Shared brand applied to the separate exploration homepage. */
body.exploration-app {
  --paper: var(--brand-paper);
  --paper-light: #fcfaf5;
  --ink: var(--brand-ink);
  --muted: var(--brand-muted);
  --red: var(--brand-accent);
  --green: var(--brand-accent);
  background: var(--paper);
  color: var(--ink);
}
.exploration-app .brand { flex: none; gap: 10px; }
.exploration-app .brand-symbol { display: block; width: 74px; height: auto; }
.exploration-app .brand-wordmark { display: block; width: 225px; height: auto; }
.exploration-app .site-header { gap: 22px; }
.exploration-app .site-header nav { gap: 24px; }
.exploration-app .header-actions { gap: 14px; }
.exploration-app .classroom-link { gap: 12px; white-space: nowrap; }
.exploration-app .site-footer > a { color: var(--brand-accent); }
.exploration-app .mode-label { border-color: var(--brand-border); background: var(--brand-soft); }
.exploration-app .person-entry:hover .person-seal { border-color: var(--brand-accent); }
.exploration-app .person-seal { color: var(--brand-accent); }
.exploration-app .segmented button.is-active { color: var(--brand-accent); }
@media (max-width: 1280px) {
  .exploration-app .brand-theme-label { display: none; }
  .exploration-app .site-header nav { gap: 17px; }
}
@media (max-width: 1100px) {
  .exploration-app .site-header { height: auto; min-height: 105px; padding-top: 18px; padding-bottom: 14px; flex-wrap: wrap; justify-content: space-between; }
  .exploration-app .site-header nav { order: 3; width: 100%; justify-content: flex-start; }
  .exploration-app .site-header nav > a, .exploration-app .site-header nav > button { padding-top: 4px; }
}
@media (max-width: 760px) {
  .exploration-app .brand { gap: 7px; }
  .exploration-app .brand-symbol { width: 56px; }
  .exploration-app .brand-wordmark { width: 177px; }
  .exploration-app .site-header { gap: 16px; }
}

/* Keep the navigation in the same paper and ink palette as the river. */
.exploration-app .site-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  height: auto;
  padding-block: 18px 0;
  gap: 12px 24px;
  border-bottom: 0;
}
.exploration-app .header-actions { justify-self: end; }
.exploration-app .header-actions .account-link {
  border-inline-start: 1px solid var(--line);
  padding: 8px 0 8px 16px;
  font-size: 12px;
  white-space: nowrap;
}
.exploration-app .site-header .scroll-nav {
  grid-column: 1 / -1;
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0;
  width: auto;
  margin: 0;
  padding: 0 clamp(18px, 13%, 178px);
  border-top: 1px solid var(--line);
}
.nav-ink {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}
.exploration-app .scroll-nav > :is(a, button) {
  display: grid;
  place-items: center;
  min-height: 62px;
  padding: 5px 0 10px;
  color: var(--brand-ink);
}
.scroll-nav strong { font: 500 21px/1.3 var(--serif); letter-spacing: .12em; }
.exploration-app .scroll-nav > :is(:hover, [aria-current], [aria-expanded=true]) {
  color: var(--brand-accent);
}
.scroll-nav > :is([aria-current], [aria-expanded=true])::after {
  content: "";
  position: absolute;
  inset: auto auto 10px;
  width: 15px;
  height: 2px;
  background: currentColor;
  border-radius: 80% 25% 50% 30%;
  transform: rotate(-5deg);
}
.exploration-app .intro { padding-top: 23px; }
.site-footer { align-items: center; gap: 18px; flex-wrap: wrap; }
.site-footer > button { position: relative; }
.footer-brands { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 210px;
  height: 44px;
  color: var(--brand-accent);
}
.footer-brand img, .footer-brand svg { display: block; height: auto; }
.footer-brand .brand-symbol { width: 42px; }
.footer-brand .brand-wordmark { width: 160px; }
.footer-brand svg { width: 160px; }
.footer-brand svg rect { fill: currentColor; }
.directory-group { border-bottom: 1px solid var(--line); padding: 10px 0; }
.directory-group summary { cursor: pointer; color: var(--brand-accent); padding: 7px 3px; }
.directory-group .catalog-result { padding-inline: 9px; }
@media (max-width: 760px) {
  .exploration-app .site-header { gap: 12px 6px; }
  .exploration-app .scroll-nav strong { font-size: 15px; }
  .exploration-app .scroll-nav > :is(a, button) { min-height: 44px; }
  /* Keep the shared logo and account controls from overlapping on phones. */
  .exploration-app .site-header { grid-template-columns: minmax(0, 1fr); }
  .exploration-app .header-actions { justify-self: stretch; justify-content: space-between; width: 100%; }
  .exploration-app .site-header .scroll-nav { padding-inline: 0; }
}

@media (min-width: 761px) {
  .exploration-app .header-actions .brand-theme-label { display: inline; }
}

.browse-view #home-view { display: none; }
.browse-page {
  max-width: 940px;
  min-height: 60vh;
  margin: 32px auto 48px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}
.exploration-app .browse-page h1 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.25;
  margin: 6px 0 0;
}
.browse-page .catalog-results { max-height: none; overflow: visible; }
.browse-page .catalog-search input { width: 100%; }
.site-footer .footprints-link { position: relative; }

/* The practice engine mounts below the same site header. */
.exploration-app.practice-app > .site-header { position: relative; }
.practice-app .browse-page { display: none; }
.training-page {
  max-width: 1120px;
  margin: 32px auto 48px;
  min-height: 55vh;
}
.training-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.training-heading h1 { font-size: 38px; line-height: 1.3; margin-top: 5px; }
.training-page .training-nav a { font-size: 14px; }
.training-page #main { margin-top: 18px; outline: none; }
.training-page .page-home .hero { display: none; }
.training-page .stats-bar {
  margin: 0 0 23px;
  padding-block: 12px 17px;
  border-top: 0;
}
.training-page .lesson-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 32px;
  margin-top: 7px;
}
.training-page .lesson-card {
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 16px 0 15px;
  gap: 7px;
  background: transparent;
  box-shadow: none;
}
.training-page .card-title { font-size: 21px; }
.training-page .card-tags, .training-page .card-best { display: none; }
.training-page .card-foot { margin-top: 0; padding-top: 4px; border-top: 0; }
@media (min-width: 781px) {
  .training-page .lesson-card { display: grid; grid-template-columns: minmax(0, 1fr) auto; }
  .training-page .card-top { grid-column: 1 / -1; }
  .training-page .card-foot { grid-area: 2 / 2 / 4 / 3; align-self: end; }
}
.training-page .question-card { background: var(--paper-light); }
.training-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 80;
  display: none;
  color: var(--brand-paper);
  background: var(--brand-ink);
  padding: 8px 15px;
}
.practice-app .training-toast.is-show { display: block; }
@media (max-width: 780px) {
  .training-page .lesson-grid { grid-template-columns: 1fr; }
  .training-heading h1 { font-size: 29px; }
}

.volume-picker { display: flex; align-items: center; gap: 10px; font-size: 13px; margin: 4px 0 12px; }
.volume-picker select { font: inherit; color: var(--ink); background: var(--paper-light); border: 1px solid var(--line); padding: 6px 10px; }
@media (min-width: 950px) {
  #catalog-results { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 26px; }
  #catalog-results .catalog-empty { grid-column: 1 / -1; }
}
.index-pager { display: flex; justify-content: center; align-items: center; gap: 22px; padding: 16px 0 2px; font-size: 13px; color: var(--muted); }
.index-pager button { padding: 6px 12px; border: 1px solid var(--brand-border); color: var(--brand-accent); border-radius: 3px; }
.index-pager button:disabled { opacity: .45; }
.directory-group summary { font-size: 16px; }
#place-modes { margin: 14px 0 0; }
.place-comparison { padding: 17px 0; border-bottom: 1px solid var(--line); }
.place-comparison dl { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 0; }
.place-comparison dt { color: var(--muted); font-size: 11px; letter-spacing: .1em; }
.place-comparison dd { margin: 4px 0 0; font: 21px/1.35 var(--serif); color: var(--brand-accent); }
.place-comparison p { margin: 9px 0; font-size: 13px; color: var(--muted); }
.place-links { display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; }
.place-links a, .mine-heading a, .mine-grid a { color: var(--brand-accent); text-underline-offset: 4px; }
.mine-heading { display: flex; justify-content: space-between; align-items: end; flex-wrap: wrap; gap: 12px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.mine-heading [role="status"] { margin-top: 10px; color: var(--muted); }
.mine-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; padding: 26px 0; }
.mine-grid section { border-top: 2px solid var(--brand-border); padding: 15px 0 0; }
.mine-grid h2 { font: 22px/1.4 var(--serif); }
.mine-grid p { margin: 8px 0 14px; color: var(--muted); }
.mine-note { font-size: 12px; color: var(--muted); }
@media (max-width: 700px) { .mine-grid { grid-template-columns: 1fr; } }