/*
 * Homepage component styles.
 *
 * Moved equivalently from index.html during HOMEUX-Step 3. Visual upgrades
 * and card hierarchy changes belong to later HOMEUX steps, not this extract.
 */

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid rgba(138, 90, 43, .22);
  border-radius: 999px;
  background: rgba(255,255,255,.62);
  color: #7b4f24;
  font-weight: 800;
  font-size: .88rem;
  letter-spacing: .08em;
}

h1 {
  margin: 18px 0 12px;
  font-family: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  font-size: clamp(2.2rem, 7.2vw, 5.1rem);
  line-height: 1.04;
  letter-spacing: -.045em;
}

.lead {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.03rem, 2.5vw, 1.24rem);
}

.hero-actions {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, .88fr);
  gap: 12px;
  margin-top: 24px;
  position: relative;
  z-index: 1;
}

.hero-action-group {
  display: grid;
  gap: 9px;
  min-width: 0;
}

.hero-action-group--primary {
  padding: 12px;
  border: 1px solid rgba(36, 79, 91, .14);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255,253,248,.82), rgba(246,240,229,.56));
  box-shadow: 0 12px 28px rgba(60,45,25,.055);
}

.hero-action-label,
.hero-tool-label {
  color: #7b4f24;
  font-size: .78rem;
  font-weight: 950;
  letter-spacing: .08em;
}

.hero-primary-actions,
.hero-secondary-actions {
  display: grid;
  gap: 9px;
}

.hero-primary-actions {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-secondary-actions {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-tool-strip {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 9px 11px;
  border: 1px solid rgba(105, 86, 60, .12);
  border-radius: 18px;
  background: rgba(255,253,248,.46);
}

.hero-tool-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 7px 10px;
  border: 1px solid rgba(36, 79, 91, .14);
  border-radius: 999px;
  background: rgba(255,255,255,.52);
  color: #4c5557;
  font-size: .84rem;
  font-weight: 820;
  line-height: 1.3;
}

.quick-route-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 22px;
}

.route-card {
  min-height: 118px;
  display: grid;
  align-content: start;
  gap: 5px;
  padding: 14px 13px;
  border: 1px solid rgba(105, 86, 60, .16);
  border-radius: 20px;
  background: rgba(255, 253, 248, .66);
  box-shadow: 0 10px 24px rgba(60,45,25,.055);
  transition: background .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.route-card span {
  color: #8a5a2b;
  font-size: .78rem;
  font-weight: 950;
  letter-spacing: .05em;
}

.route-card strong {
  display: block;
  color: var(--ink);
  font-size: 1.02rem;
  line-height: 1.28;
  letter-spacing: -.015em;
}

.route-card small {
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.48;
}

.route-card:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.hero-stats {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.45;
}

.hero-stats span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 10px;
  border: 1px solid rgba(105, 86, 60, .14);
  border-radius: 999px;
  background: rgba(255,253,248,.58);
  font-weight: 820;
}

.hero-stats strong { color: #244f5b; margin-right: 3px; }

.section-actions {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.mini-toggle {
  min-height: 44px;
  padding: 7px 13px;
  border: 1px solid rgba(36, 79, 91, .22);
  border-radius: 999px;
  background: rgba(255,253,248,.78);
  color: #244f5b;
  cursor: pointer;
  font-weight: 900;
  font-size: .88rem;
  line-height: 1.3;
}

.mini-toggle:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.primary-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 2px;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 13px;
  border-radius: 999px;
  border: 1.5px solid var(--read-line);
  background: var(--read);
  color: var(--read-ink);
  font-size: .86rem;
  font-weight: 950;
  line-height: 1.35;
}

.primary-link:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  padding: 10px 17px;
  border-radius: 999px;
  border: 1px solid rgba(36, 79, 91, .2);
  background: #244f5b;
  color: #fffaf0;
  font-weight: 850;
  line-height: 1.25;
  box-shadow: 0 10px 22px rgba(36,79,91,.11);
}

.btn-secondary,
.btn.secondary {
  background: rgba(255,255,255,.72);
  color: #334047;
  box-shadow: 0 8px 18px rgba(60,45,25,.055);
}

.btn-primary {
  min-height: 50px;
  border-color: rgba(36,79,91,.28);
  background: #244f5b;
  color: #fffaf0;
  box-shadow: 0 14px 28px rgba(36,79,91,.15);
}

.btn-quiet {
  min-height: 44px;
  border-color: rgba(105, 86, 60, .18);
  background: rgba(255,253,248,.62);
  color: #50483f;
  box-shadow: none;
}

.btn:focus-visible,
.hero-tool-link:focus-visible,
.card:focus-visible,
.latest-card:focus-visible,
.latest-control-btn:focus-visible,
.category-toggle:focus-visible,
.display-category-toggle:focus-visible,
.series-toggle:focus-visible,
.compact-entry:focus-visible,
.series-child:focus-visible,
.result-item:focus-visible,
.mini-link:focus-visible,
.category-preview-link:focus-visible,
.path-steps a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  box-shadow: var(--home-focus-ring);
}

.btn:active,
.hero-tool-link:active,
.primary-link:active,
.latest-card:active,
.latest-control-btn:active,
.display-category-toggle:active,
.category-preview-link:active,
.compact-entry:active,
.series-child:active,
.mini-link:active {
  transform: scale(var(--home-active-scale));
}

.section-block {
  margin-top: 24px;
  padding: clamp(18px, 3vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: 0 18px 48px rgba(60,45,25,.07);
}

.latest-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 15px;
}

.latest-card {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 196px;
  padding: 17px 16px 16px;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid rgba(36, 79, 91, .16);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255,253,248,.98), rgba(246, 240, 229, .94));
  box-shadow: var(--shadow-soft);
}

.latest-card h3 {
  margin: 10px 0 8px;
  font-size: 1.18rem;
  line-height: 1.38;
  letter-spacing: -.018em;
}

.latest-card p {
  margin: 0;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.62;
}

.latest-date {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid rgba(36,79,91,.18);
  background: rgba(36,79,91,.08);
  color: #244f5b;
  font-size: .8rem;
  font-weight: 900;
  line-height: 1.35;
}

.latest-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 15px;
}

.latest-control-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: min(100%, 180px);
  padding: 9px 18px;
  border: 1px solid rgba(36,79,91,.24);
  border-radius: 999px;
  background: rgba(36,79,91,.11);
  color: #244f5b;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 9px 20px rgba(60,45,25,.06);
}

.latest-control-btn.secondary {
  background: rgba(255,253,248,.88);
  color: #5f5142;
  border-color: rgba(105,86,60,.22);
}

.latest-control-btn:hover {
  background: rgba(36,79,91,.16);
}

.latest-control-btn.secondary:hover {
  background: rgba(255,255,255,.96);
}

.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 15px;
}

.section-title {
  margin: 0;
  font-family: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  font-size: clamp(1.55rem, 4vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -.035em;
}

.section-note {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: .96rem;
}

.section-meta {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255,253,248,.54);
  color: var(--muted);
  font-size: .9rem;
  font-weight: 750;
  white-space: nowrap;
}

.toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 9px 15px;
  border: 1px solid rgba(36, 79, 91, .22);
  border-radius: 999px;
  background: rgba(255,253,248,.78);
  color: #244f5b;
  cursor: pointer;
  font-weight: 900;
  white-space: nowrap;
  box-shadow: 0 10px 24px rgba(60,45,25,.06);
  transition: background .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.toggle-btn:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.toggle-btn:disabled {
  cursor: not-allowed;
  opacity: .62;
  box-shadow: none;
}

.search-panel {
  margin-top: 2px;
  padding: 16px;
  border: 1px solid rgba(105, 86, 60, .16);
  border-radius: var(--radius-lg);
  background: rgba(255,253,248,.45);
}

.search-panel[hidden] { display: none; }

.home-mount[hidden] { display: none; }

.toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.search {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 11px 16px;
  color: var(--ink);
  background: rgba(255, 253, 248, .9);
  box-shadow: 0 10px 28px rgba(60,45,25,.06);
  outline: none;
}

.search:focus {
  border-color: rgba(36, 79, 91, .55);
  box-shadow: 0 0 0 4px rgba(36, 79, 91, .10);
}

.count {
  color: var(--muted);
  font-size: .92rem;
  font-weight: 750;
  white-space: nowrap;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 15px;
}

.card {
  display: grid;
  min-height: 214px;
  grid-template-rows: auto 1fr auto;
  padding: 19px 17px 17px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255,253,248,.96), rgba(255,249,238,.92));
  box-shadow: var(--shadow-soft);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.tag {
  width: fit-content;
  border-radius: 999px;
  padding: 4px 10px;
  background: #efe4d2;
  color: #785222;
  font-size: .82rem;
  font-weight: 850;
  line-height: 1.35;
}

.tag.series {
  background: rgba(36, 79, 91, .10);
  color: #244f5b;
}

.card h2 {
  margin: 13px 0 8px;
  font-size: 1.3rem;
  line-height: 1.36;
  letter-spacing: -.02em;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: .97rem;
  line-height: 1.65;
}

.card-footer {
  margin-top: 17px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: #244f5b;
  font-weight: 900;
  line-height: 1.35;
}

.audience {
  color: #867667;
  font-weight: 750;
  font-size: .86rem;
}

.category-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
  padding: 10px 12px;
  border: 1px solid rgba(105, 86, 60, .16);
  border-radius: var(--radius-md);
  background: rgba(255,253,248,.56);
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.45;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.legend-symbol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid rgba(105, 86, 60, .18);
  font-size: .86rem;
  font-weight: 950;
  line-height: 1;
  flex: 0 0 auto;
}

.legend-symbol.expand {
  background: var(--state-closed-bg);
  color: #6f4b1f;
  border-color: var(--state-closed-line);
}

.legend-symbol.collapse {
  background: var(--state-open-bg);
  color: #244f5b;
  border-color: var(--state-open-line);
}

.legend-symbol.series {
  background: rgba(36, 79, 91, .08);
  color: #244f5b;
  border-color: rgba(36, 79, 91, .20);
}

.legend-symbol.read {
  background: var(--read);
  color: var(--read-ink);
  border-color: var(--read-line);
}

.category-heading {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.category-icon {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  border: 1px solid rgba(138, 90, 43, .18);
  background:
    radial-gradient(circle at 28% 18%, rgba(255,255,255,.70), transparent 38%),
    rgba(189, 139, 56, .13);
  color: #795126;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.38);
}

.category-icon svg,
.series-icon svg {
  width: 24px;
  height: 24px;
  display: block;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.category-card.is-open .category-icon {
  color: #244f5b;
  background:
    radial-gradient(circle at 28% 18%, rgba(255,255,255,.72), transparent 38%),
    rgba(36,79,91,.11);
  border-color: rgba(36,79,91,.22);
}

.category-title-block {
  min-width: 0;
}

.category-note {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 8px;
  color: #8b7866;
  font-size: .82rem;
  font-weight: 800;
}

.category-note::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(189, 139, 56, .66);
  flex: 0 0 auto;
}

.category-card.is-open .category-note::before {
  background: rgba(36,79,91,.58);
}

.category-list {
  position: relative;
  padding-left: 11px;
}

.category-list::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, rgba(36,79,91,.24), rgba(189,139,56,.18));
}

.category-list > .compact-entry,
.category-list > .series-card {
  position: relative;
}

.category-list > .compact-entry::before,
.category-list > .series-card::before {
  content: "";
  position: absolute;
  left: -11px;
  top: 28px;
  width: 10px;
  height: 1px;
  background: rgba(36,79,91,.20);
}

.entry-title-line,
.series-title-line {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  min-width: 0;
}

.entry-badge,
.series-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 2px 7px;
  font-size: .76rem;
  font-weight: 900;
  line-height: 1.35;
  white-space: nowrap;
}

.entry-badge {
  color: #11613d;
  background: rgba(34, 126, 83, .11);
  border: 1px solid rgba(34, 126, 83, .24);
}

.series-badge {
  color: #244f5b;
  background: rgba(36,79,91,.09);
  border: 1px solid rgba(36,79,91,.20);
}

.series-head {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-width: 0;
}

.series-icon {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 13px;
  border: 1px solid rgba(36,79,91,.18);
  background: rgba(36,79,91,.075);
  color: #244f5b;
  flex: 0 0 auto;
}

.series-card.is-open .series-icon {
  background: rgba(36,79,91,.12);
  border-color: rgba(36,79,91,.28);
}

.series-children {
  position: relative;
}

.series-children::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 2px;
  bottom: 12px;
  width: 1px;
  background: rgba(36,79,91,.18);
}

.series-child {
  position: relative;
  min-height: 50px;
}

.series-child::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 50%;
  width: 12px;
  height: 1px;
  background: rgba(36,79,91,.18);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
}

.category-group-list {
  grid-column: 1 / -1;
  display: grid;
  gap: 18px;
}

.category-group-card {
  border: 1px solid rgba(105, 86, 60, .18);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 8% 0%, rgba(189,139,56,.12), transparent 30%),
    linear-gradient(180deg, rgba(255,253,248,.92), rgba(248,239,225,.62));
  box-shadow: 0 14px 34px rgba(60,45,25,.07);
  overflow: hidden;
}

.category-group-head {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 13px;
  padding: 18px 18px 15px;
  border-bottom: 1px solid rgba(105, 86, 60, .14);
  background: rgba(255,253,248,.56);
}

.category-group-index {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  border: 1px solid rgba(36,79,91,.20);
  background: rgba(36,79,91,.08);
  color: #244f5b;
  font-size: .95rem;
  font-weight: 950;
  letter-spacing: -.02em;
}

.category-group-head h3 {
  margin: 4px 0 7px;
  font-size: 1.34rem;
  line-height: 1.28;
  letter-spacing: -.025em;
}

.category-group-head p {
  margin: 0;
  color: var(--muted);
  font-size: .96rem;
  line-height: 1.66;
}

.display-category-list {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.display-category-card {
  border: 1px solid rgba(105, 86, 60, .16);
  border-radius: var(--radius-md);
  background: rgba(255,253,248,.84);
  overflow: hidden;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.display-category-card.is-open {
  border-color: rgba(36, 79, 91, .30);
  background: linear-gradient(180deg, rgba(255,253,248,.98), rgba(238,247,247,.64));
  box-shadow: 0 12px 28px rgba(60,45,25,.07);
}

.display-category-toggle {
  width: 100%;
  min-height: 76px;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  text-align: left;
  border: 0;
  padding: 15px 15px 13px;
  color: inherit;
  background: linear-gradient(90deg, rgba(36,79,91,.07), transparent 58%);
  cursor: pointer;
}

.display-category-toggle:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: -3px;
}

.display-category-title-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.display-category-title-line h4 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.35;
  letter-spacing: -.015em;
}

.display-category-toggle p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.62;
}

.display-category-action {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 11px;
  padding: 6px 11px 6px 7px;
  border: 1px solid var(--state-closed-line);
  border-radius: 999px;
  background: var(--state-closed-bg);
  color: #6f4b1f;
  font-size: .88rem;
  font-weight: 950;
  line-height: 1.35;
}

.display-category-action::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 21px;
  height: 21px;
  border-radius: 999px;
  background: rgba(255, 253, 248, .78);
  border: 1px solid rgba(189, 139, 56, .34);
  color: #7b4f24;
  font-weight: 950;
  line-height: 1;
}

.display-category-action::after {
  content: "⌄";
  display: inline-block;
  color: currentColor;
  transform: translateY(-1px);
  transition: transform .18s ease;
}

.display-category-card.is-open .display-category-action {
  background: var(--state-open-bg);
  border-color: var(--state-open-line);
  color: #244f5b;
}

.display-category-card.is-open .display-category-action::before {
  content: "−";
  border-color: rgba(36,79,91,.26);
  color: #244f5b;
}

.display-category-card.is-open .display-category-action::after {
  transform: rotate(180deg) translateY(1px);
}

.display-category-body {
  border-top: 1px solid rgba(105, 86, 60, .12);
  padding: 12px 13px 13px 17px;
  background:
    linear-gradient(90deg, rgba(36,79,91,.08), transparent 8px),
    rgba(255,253,248,.42);
}

.display-category-body[hidden] { display: none; }

.category-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,253,248,.84), rgba(248,239,225,.68));
  box-shadow: 0 10px 26px rgba(60,45,25,.06);
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.category-card.is-open {
  border-color: rgba(36, 79, 91, .34);
  background: linear-gradient(180deg, rgba(255,253,248,.97), rgba(238,247,247,.72));
  box-shadow: 0 16px 38px rgba(60,45,25,.09);
}

.category-toggle {
  position: relative;
  width: 100%;
  min-height: 136px;
  display: block;
  text-align: left;
  border: 0;
  padding: 17px 16px 17px 19px;
  color: inherit;
  background: transparent;
  cursor: pointer;
}

.category-toggle::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: rgba(189, 139, 56, .46);
}

.category-card.is-open .category-toggle::before {
  background: rgba(36, 79, 91, .58);
}

.category-toggle:focus-visible,
.series-toggle:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: -3px;
}

.category-card h3 {
  margin: 10px 0 6px;
  font-size: 1.12rem;
  line-height: 1.28;
  letter-spacing: -.015em;
}

.category-card p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.62;
}

.category-action {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 12px;
  padding: 6px 11px 6px 7px;
  border: 1px solid var(--state-closed-line);
  border-radius: 999px;
  background: var(--state-closed-bg);
  color: #6f4b1f;
  font-weight: 950;
  font-size: .9rem;
  line-height: 1.35;
}

.category-action::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: rgba(255, 253, 248, .78);
  border: 1px solid rgba(189, 139, 56, .34);
  color: #7b4f24;
  font-weight: 950;
  line-height: 1;
}

.category-action::after {
  content: "⌄";
  display: inline-block;
  color: currentColor;
  transform: translateY(-1px);
  transition: transform .18s ease;
}

.category-card.is-open .category-action {
  background: var(--state-open-bg);
  border-color: var(--state-open-line);
  color: #244f5b;
}

.category-card.is-open .category-action::before {
  content: "−";
  border-color: rgba(36,79,91,.26);
  color: #244f5b;
}

.category-card.is-open .category-action::after {
  transform: rotate(180deg) translateY(1px);
}

.category-panel {
  border-top: 1px solid var(--line);
  padding: 12px 12px 12px 16px;
  background:
    linear-gradient(90deg, rgba(36,79,91,.10), transparent 9px),
    rgba(255,253,248,.56);
}

.category-panel[hidden] { display: none; }

.category-list {
  display: grid;
  gap: 8px;
}

.compact-entry,
.series-card {
  border: 1px solid rgba(105, 86, 60, .16);
  border-radius: var(--radius-md);
  background: rgba(255,253,248,.84);
}

.compact-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  min-height: 58px;
  padding: 12px 13px;
  transition: background .18s ease, border-color .18s ease;
}

.compact-entry strong,
.series-title {
  display: block;
  color: var(--ink);
  line-height: 1.38;
  letter-spacing: -.01em;
}

.compact-entry small,
.series-desc {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.45;
}

.entry-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 34px;
  padding: 5px 12px;
  border: 1.5px solid var(--read-line);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.52), rgba(255,255,255,0)),
    var(--read);
  color: var(--read-ink);
  font-weight: 950;
  white-space: nowrap;
  font-size: .9rem;
  line-height: 1.3;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.42);
}

.series-card {
  overflow: hidden;
}

.series-card.is-open {
  background:
    linear-gradient(90deg, rgba(36,79,91,.09), transparent 8px),
    rgba(255,253,248,.96);
  border-color: rgba(36, 79, 91, .28);
}

.series-toggle {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  min-height: 58px;
  border: 0;
  padding: 12px 13px;
  text-align: left;
  color: inherit;
  background: rgba(36,79,91,.035);
  cursor: pointer;
}

.series-action {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px 6px 7px;
  border: 1px solid var(--state-closed-line);
  border-radius: 999px;
  background: var(--state-closed-bg);
  color: #6f4b1f;
  font-weight: 950;
  white-space: nowrap;
  font-size: .9rem;
  line-height: 1.35;
}

.series-action::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: rgba(255, 253, 248, .78);
  border: 1px solid rgba(189, 139, 56, .34);
  color: #7b4f24;
  font-weight: 950;
  line-height: 1;
}

.series-action::after {
  content: "⌄";
  display: inline-block;
  color: currentColor;
  transform: translateY(-1px);
  transition: transform .18s ease;
}

.series-card.is-open .series-action {
  background: var(--state-open-bg);
  border-color: var(--state-open-line);
  color: #244f5b;
}

.series-card.is-open .series-action::before {
  content: "−";
  border-color: rgba(36,79,91,.26);
  color: #244f5b;
}

.series-card.is-open .series-action::after {
  transform: rotate(180deg) translateY(1px);
}

.series-children {
  display: grid;
  gap: 7px;
  padding: 0 10px 10px 16px;
  background: linear-gradient(90deg, rgba(36,79,91,.08), transparent 7px);
}

.series-children[hidden] { display: none; }

.series-child {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 50px;
  padding: 10px 11px;
  border-radius: 13px;
  background: rgba(240,229,211,.42);
  color: var(--ink);
}

.series-child small {
  color: var(--muted);
  font-size: .82rem;
}

.category-count {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 9px;
  color: #244f5b;
  background: rgba(36,79,91,.08);
  font-size: .82rem;
  font-weight: 900;
  line-height: 1.4;
}

.compact-list {
  display: grid;
  gap: 9px;
  margin-top: 14px;
}

.result-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  min-height: 58px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255,253,248,.78);
  transition: background .18s ease, border-color .18s ease;
}

.result-item strong {
  display: block;
  line-height: 1.35;
  letter-spacing: -.01em;
}

.result-item small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  line-height: 1.45;
}

.result-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 34px;
  padding: 5px 12px;
  border: 1.5px solid var(--read-line);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.52), rgba(255,255,255,0)),
    var(--read);
  color: var(--read-ink);
  font-weight: 950;
  white-space: nowrap;
  font-size: .9rem;
  line-height: 1.3;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.42);
}

.guide {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 17px;
  background: rgba(255,253,248,.66);
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.7;
}

.guide strong { color: var(--ink); }

.is-hidden { display: none !important; }

.explore-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 13px;
}

.explore-card,
.question-card,
.path-card,
.series-overview-card {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255,253,248,.78);
  box-shadow: 0 10px 28px rgba(60,45,25,.055);
}

.explore-card h3,
.question-card h3,
.path-card h3,
.series-overview-card h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.35;
  letter-spacing: -.015em;
}

.explore-card p,
.question-card p,
.path-card p,
.series-overview-card p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.58;
}

.mini-list {
  display: grid;
  gap: 7px;
  margin-top: 2px;
}

.mini-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 9px 11px;
  border-radius: 13px;
  border: 1px solid rgba(105, 86, 60, .14);
  background: rgba(240,229,211,.35);
  color: var(--ink);
  font-size: .88rem;
  font-weight: 820;
  line-height: 1.35;
}

.mini-link::after {
  content: "↗";
  color: var(--read-ink);
  font-weight: 950;
}

.meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.pill {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 26px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid rgba(36,79,91,.16);
  background: rgba(36,79,91,.075);
  color: #244f5b;
  font-size: .78rem;
  font-weight: 900;
  line-height: 1.35;
}

.path-steps {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: path-step;
}

.path-steps li {
  counter-increment: path-step;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.45;
}

.path-steps li::before {
  content: counter(path-step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: rgba(189,139,56,.13);
  color: #7b4f24;
  font-weight: 950;
  font-size: .78rem;
}

.data-status {
  margin-top: 10px;
  color: var(--muted);
  font-size: .86rem;
  line-height: 1.55;
}

footer {
  margin-top: 28px;
  color: var(--muted);
  font-size: .9rem;
  text-align: center;
}

/*
 * HOMEUX-Step 6 — card visual hierarchy.
 *
 * The project intentionally keeps the existing DOM and render class names so
 * qa:home remains stable until Step 9 expands structural checks. These rules
 * map current homepage card surfaces to four visual levels:
 * 1) hero / featured routes, 2) category groups and latest articles,
 * 3) display-category cards, 4) compact entries and utility/meta surfaces.
 */
:where(
  .route-card,
  .latest-card,
  .category-group-card,
  .display-category-card,
  .category-card,
  .card,
  .compact-entry,
  .series-card,
  .series-child,
  .series-overview-card,
  .explore-card,
  .question-card,
  .path-card,
  .mini-link,
  .result-item,
  .guide
) {
  box-shadow: var(--home-card-shadow-current, var(--home-card-shadow-entry));
}

.route-card {
  position: relative;
  overflow: hidden;
  border-color: var(--home-card-border-featured);
  background: var(--home-card-bg-featured);
  box-shadow: var(--home-card-shadow-featured), var(--home-card-inset-highlight);
}

.route-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--home-card-accent-bar);
  opacity: .82;
}

.route-card > * {
  position: relative;
  z-index: 1;
}

.route-card span {
  color: var(--home-color-primary);
}

.latest-card {
  border-color: var(--home-card-border-article);
  background: var(--home-card-bg-article);
  box-shadow: var(--home-card-shadow-article), var(--home-card-inset-highlight);
}

.latest-card .pill {
  background: rgba(138,90,43,.085);
  border-color: rgba(138,90,43,.18);
  color: #7b4f24;
}

.category-group-card {
  border-color: var(--home-card-border-medium);
  background:
    radial-gradient(circle at 8% 0%, rgba(189,139,56,.12), transparent 30%),
    var(--home-card-bg-category);
  box-shadow: var(--home-card-shadow-category), var(--home-card-inset-highlight);
}

.display-category-card,
.category-card {
  border-color: var(--home-card-border-category);
  background: var(--home-card-bg-utility);
  box-shadow: 0 8px 22px rgba(60,45,25,.052), var(--home-card-inset-highlight);
}

.display-category-card.is-open,
.category-card.is-open {
  border-color: rgba(36, 79, 91, .30);
  box-shadow: var(--home-card-shadow-category), var(--home-card-inset-highlight);
}

.compact-entry,
.series-card,
.series-child,
.mini-link,
.result-item {
  border-color: var(--home-card-border-subtle);
  background: var(--home-card-bg-entry);
  box-shadow: var(--home-card-shadow-entry), var(--home-card-inset-highlight);
}

.series-overview-card,
.explore-card,
.question-card,
.path-card,
.guide,
.category-legend,
.search-panel {
  border-color: var(--home-card-border-subtle);
  background: var(--home-card-bg-utility);
  box-shadow: var(--home-card-shadow-entry), var(--home-card-inset-highlight);
}

.section-block {
  border-color: var(--home-card-border-medium);
  background: rgba(255,253,248,.50);
  box-shadow: 0 18px 48px rgba(60,45,25,.065), var(--home-card-inset-highlight);
}

:where(.route-card, .latest-card, .display-category-card, .category-card, .compact-entry, .series-card, .series-child, .series-overview-card, .mini-link, .result-item):focus-within {
  border-color: rgba(36,79,91,.34);
}

.display-category-card:focus-within,
.category-group-card:focus-within {
  border-color: rgba(36,79,91,.34);
}

/*
 * HOMEUX-Step 7 — category representative article previews.
 * Keep previews derived from existing library item order and separate from the
 * collapsed full list so category expansion remains unchanged.
 */
.category-preview {
  display: none !important;
  margin: 0 12px 12px 58px;
  padding: 11px;
  border: 1px solid rgba(105, 86, 60, .12);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(255,253,248,.88), rgba(238,247,247,.42)),
    rgba(255,253,248,.72);
  box-shadow: 0 6px 16px rgba(60,45,25,.04), var(--home-card-inset-highlight);
}

.category-preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  color: var(--home-color-primary);
  font-size: .82rem;
  font-weight: 950;
  letter-spacing: .08em;
}

.category-preview-head small {
  color: var(--muted);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .02em;
  white-space: nowrap;
}

.category-preview-list {
  display: grid;
  gap: 8px;
}

.category-preview-link {
  display: grid;
  align-content: center;
  min-height: 58px;
  gap: 4px;
  padding: 10px 11px;
  border: 1px solid var(--home-card-border-subtle);
  border-radius: 15px;
  color: inherit;
  text-decoration: none;
  background: var(--home-card-bg-entry);
  box-shadow: var(--home-card-shadow-entry), var(--home-card-inset-highlight);
  transition: border-color .18s ease, background .18s ease, box-shadow .18s ease, transform .18s ease;
}

.category-preview-link:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  box-shadow: var(--home-focus-ring-strong);
}

.category-preview-title {
  color: var(--ink);
  font-size: .95rem;
  font-weight: 950;
  line-height: 1.45;
  letter-spacing: -.012em;
}

.category-preview-desc {
  color: var(--muted);
  font-size: .86rem;
  line-height: 1.55;
}

.category-preview-meta {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin-top: 2px;
  padding: 4px 8px;
  border: 1px solid rgba(36,79,91,.14);
  border-radius: 999px;
  background: rgba(36,79,91,.055);
  color: var(--home-color-primary);
  font-size: .78rem;
  font-weight: 900;
  line-height: 1.2;
}