/* PAGE: Wiki */

.wiki-header {
  padding-top: calc(var(--nav-h) + var(--ruler-h) + 72px);
  padding-bottom: 56px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.wiki-header .dot-grid-subtle {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.wiki-header::before {
  content: '';
  position: absolute;
  top: calc(var(--nav-h) + var(--ruler-h) + 16px);
  left: 20px;
  width: 16px;
  height: 16px;
  border-top: 1.5px solid var(--primary);
  border-left: 1.5px solid var(--primary);
  opacity: 0.4;
  z-index: 2;
}

.wiki-header .container {
  position: relative;
  z-index: 1;
}

.wiki-header__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--primary);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-5);
  opacity: 0.7;
}

.wiki-header__title {
  font-family: var(--font-display);
  font-weight: var(--weight-extrabold);
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: var(--space-5);
  max-width: 900px;
}

.wiki-header__subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 720px;
  line-height: 1.7;
}

.wiki-page {
  padding: var(--space-16) 0 var(--space-24);
}

.wiki-intro {
  margin-bottom: var(--space-10);
  max-width: 800px;
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.wiki-index {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.wiki-section .section-label-row {
  margin-bottom: var(--space-10);
}

.wiki-index__link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 99px;
  background: var(--surface);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.wiki-index__link:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(1, 158, 219, 0.06);
}
.wiki-index__link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.wiki-section {
  padding: var(--space-12) 0 0;
  margin-top: var(--space-12);
  scroll-margin-top: calc(var(--nav-h) + var(--ruler-h) + 32px);
}

.wiki-section:first-of-type {
  margin-top: 0;
}

.wiki-section__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: var(--space-4);
}

.wiki-section__desc {
  max-width: 760px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.wiki-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.wiki-card {
  display: block;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 3px;
  background:
    linear-gradient(180deg, rgba(1, 158, 219, 0.03), transparent 55%),
    var(--surface);
  padding: 18px;
  min-height: 108px;
  transition: border-color 0.2s, background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.wiki-card:hover {
  border-color: var(--border-bright);
  background: var(--surface-raised);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
}
.wiki-card:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.wiki-card__row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.wiki-card__icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(1, 158, 219, 0.07);
  color: var(--primary);
  overflow: hidden;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.wiki-card__icon-fallback {
  display: none;
  font-size: 16px;
}

.wiki-card__icon.is-fallback .wiki-card__icon-fallback {
  display: inline-block;
}

.wiki-card__icon.is-fallback img {
  display: none;
}

.wiki-card:hover .wiki-card__icon {
  border-color: rgba(1, 158, 219, 0.4);
  background: rgba(1, 158, 219, 0.12);
  transform: translateY(-1px);
}

.wiki-card__icon img {
  width: 22px;
  height: 22px;
  display: block;
}

.wiki-card__icon i {
  font-size: 16px;
}

.wiki-card__icon--book {
  width: 48px;
  height: 72px;
  border: none;
  background: transparent;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18);
}
.wiki-card__icon--book picture {
  display: block;
  width: 100%;
  height: 100%;
}
.wiki-card__icon--book img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.wiki-card:hover .wiki-card__icon--book {
  background: transparent;
  border-color: transparent;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
}

.wiki-card__body {
  display: block;
  min-width: 0;
}

.wiki-card__title {
  display: block;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: var(--weight-bold);
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.wiki-card__author {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  font-style: italic;
  margin-top: -4px;
  margin-bottom: 6px;
}

.wiki-card__desc {
  display: block;
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 14px;
}

.wiki-list {
  list-style: none;
  display: grid;
  gap: var(--space-4);
}

.wiki-list li {
  position: relative;
  padding: 18px 18px 18px 44px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--surface);
  color: var(--text-secondary);
  line-height: 1.7;
}

.wiki-list a,
.wiki-list a:visited {
  color: var(--link-color);
  text-decoration-color: var(--link-decoration-color);
}
.wiki-list a:hover {
  color: var(--link-hover-color);
}

.wiki-list li::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 1.55em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1.5px solid var(--primary);
  background: rgba(1, 158, 219, 0.12);
}

.wiki-callout {
  border: 1px solid var(--border);
  border-radius: 3px;
  background:
    linear-gradient(135deg, rgba(1, 158, 219, 0.06), transparent 65%),
    var(--surface);
  padding: 20px 22px;
  margin-bottom: var(--space-5);
}

.wiki-callout__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--primary);
  margin-bottom: var(--space-3);
}

.wiki-callout__body {
  color: var(--text-secondary);
  line-height: 1.7;
}

.wiki-note {
  margin-top: var(--space-4);
  color: var(--text-muted);
  font-size: 14px;
}

.wiki-books {
  display: grid;
  gap: var(--space-4);
}

.wiki-book {
  display: block;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 3px;
  background:
    linear-gradient(180deg, rgba(1, 158, 219, 0.03), transparent 55%),
    var(--surface);
  padding: 20px 22px 20px 26px;
  border-left: 3px solid rgba(1, 158, 219, 0.45);
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.wiki-book:hover {
  border-color: var(--border-bright);
  background: var(--surface-raised);
  transform: translateY(-1px);
}
.wiki-book:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.wiki-book__title {
  display: block;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: var(--weight-bold);
  color: var(--text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.wiki-book__desc {
  display: block;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

@media (max-width: 780px) {
  .wiki-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .wiki-card {
    min-height: 0;
  }
}