.wiki-page { max-width: 1080px; margin: 0 auto; padding: 40px 24px 80px; font-family: 'Pretendard', sans-serif; }
.wiki-breadcrumb { font-size: 13px; color: #888; margin-bottom: 24px; }
.wiki-breadcrumb a { color: #444; text-decoration: none; }
.wiki-hero { position: relative; padding: 32px 28px; border-radius: 16px; background: #fafaf7; border: 1px solid #e8e6e0; margin-bottom: 36px; }
.wiki-graph-btn { position: absolute; top: 20px; right: 20px; display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 700; padding: 8px 14px; border-radius: 100px; background: #1a1a1a; color: #fff; text-decoration: none; letter-spacing: 0.01em; transition: background 0.18s, transform 0.18s; }
.wiki-graph-btn:hover { background: #000; transform: translateY(-1px); }
@media (max-width: 600px) { .wiki-graph-btn { position: static; margin-bottom: 16px; } }
.wiki-hero h1 { font-size: 32px; margin: 0 0 16px; font-weight: 800; }
.wiki-hero .badges { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.wiki-hero .badge { font-size: 11px; padding: 3px 10px; border-radius: 100px; background: #fff; border: 1px solid #ddd; color: #555; }
.wiki-hero .badge.review { background: #FFF3CD; border-color: #FFC107; color: #856404; }
.wiki-hero .definition { font-size: 17px; line-height: 1.7; color: #222; }
.wiki-aliases { margin-top: 16px; display: flex; gap: 6px; flex-wrap: wrap; }
.wiki-aliases .alias { font-size: 12px; padding: 2px 8px; background: #f2f0eb; border-radius: 6px; color: #666; }
.wiki-section { margin-bottom: 40px; }
.wiki-section h2 { font-size: 20px; margin-bottom: 16px; color: #1a1a1a; }
.wiki-posts { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.wiki-post-card { padding: 14px 16px; border-radius: 10px; background: #fff; border: 1px solid #ececec; text-decoration: none; color: inherit; transition: border-color 0.15s; }
.wiki-post-card:hover { border-color: #999; }
.wiki-post-card .meta { font-size: 11px; color: #888; margin-bottom: 6px; }
.wiki-post-card .title { font-size: 14px; line-height: 1.45; font-weight: 600; color: #222; }
.wiki-related { display: flex; flex-wrap: wrap; gap: 10px; }
.wiki-related .item { padding: 10px 14px; border-radius: 10px; background: #fff; border: 1px solid #ececec; text-decoration: none; color: inherit; display: flex; align-items: center; gap: 8px; }
.wiki-related .strength { font-size: 10px; padding: 2px 6px; background: #1a1a1a; color: #fff; border-radius: 4px; }
.wiki-footer-nav { margin-top: 48px; padding-top: 24px; border-top: 1px solid #e8e6e0; display: flex; justify-content: space-between; font-size: 13px; }
.wiki-footer-nav a { color: #1a1a1a; text-decoration: none; font-weight: 600; }

/* ═══════════════════════════════════════════
   Wiki Index — Concept Network
   라이트/다크 공용. 모든 색은 디자인 토큰만 사용
   ═══════════════════════════════════════════ */
.wiki-index { max-width: 1080px; margin: 0 auto; padding: 56px 24px 96px; font-family: 'Pretendard', sans-serif; }

/* --- Hero --- */
.wiki-hero-index { margin-bottom: 36px; }
.wiki-eyebrow {
  display: inline-block; font-size: 12px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-secondary); margin-bottom: 14px;
}
.wiki-index h1 {
  font-size: clamp(34px, 5vw, 46px); font-weight: 800;
  letter-spacing: -0.022em; line-height: 1.08; margin: 0 0 14px; color: var(--text);
}
.wiki-index-intro { font-size: 16px; line-height: 1.7; color: var(--text-muted); margin: 0 0 28px; max-width: none; }
.wiki-index-intro a { color: var(--text); font-weight: 700; text-decoration: none; border-bottom: 1.5px solid var(--border); transition: border-color 0.15s; }
.wiki-index-intro a:hover { border-bottom-color: var(--text); }

.wiki-hero-row { display: flex; flex-wrap: wrap; align-items: stretch; gap: 14px; }
.wiki-stats {
  display: flex; align-items: stretch;
  background: var(--nm-bg); border-radius: 18px; padding: 8px 6px; box-shadow: var(--nm-raised-sm);
}
.wiki-stat { padding: 12px 26px; text-align: center; position: relative; }
.wiki-stat + .wiki-stat::before {
  content: ''; position: absolute; left: 0; top: 20%; height: 60%; width: 1px; background: var(--border-variant);
}
.wiki-stat .num {
  display: block; font-size: 26px; font-weight: 800; line-height: 1;
  letter-spacing: -0.02em; color: var(--text); font-variant-numeric: tabular-nums;
}
.wiki-stat .label { display: block; font-size: 12px; color: var(--text-secondary); margin-top: 7px; }
.wiki-graph-link {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 20px;
  border-radius: 18px; background: var(--primary); color: var(--on-primary);
  font-size: 14px; font-weight: 700; text-decoration: none;
  box-shadow: var(--nm-raised); transition: transform 0.14s, box-shadow 0.14s;
}
.wiki-graph-link svg { width: 17px; height: 17px; }
.wiki-graph-link:hover { transform: translateY(-2px); box-shadow: var(--nm-raised-lg); }
.wiki-graph-link:active { transform: translateY(0); box-shadow: var(--nm-raised-sm); }

/* --- Toolbar: search + category filters --- */
.wiki-toolbar { margin: 36px 0 28px; }
.wiki-search-wrap { position: relative; margin-bottom: 16px; }
.wiki-search-wrap svg {
  position: absolute; left: 18px; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; color: var(--text-secondary); pointer-events: none;
}
.wiki-index-search {
  width: 100%; padding: 16px 18px 16px 48px; box-sizing: border-box;
  border: none; border-radius: 16px; font-size: 15px;
  font-family: inherit; background: var(--nm-bg); color: var(--text);
  box-shadow: var(--nm-inset-sm); transition: box-shadow 0.15s;
}
.wiki-search-wrap svg { z-index: 1; }
.wiki-index-search::placeholder { color: var(--text-secondary); }
.wiki-index-search:focus { outline: none; box-shadow: var(--nm-inset); }

.wiki-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.wiki-filter {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 600; font-family: inherit;
  padding: 9px 16px; border-radius: 100px; cursor: pointer;
  background: var(--nm-bg); color: var(--text-muted);
  border: none; box-shadow: var(--nm-raised-sm); transition: box-shadow 0.15s, color 0.15s;
}
.wiki-filter .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cat, var(--text-secondary)); flex-shrink: 0; }
.wiki-filter:hover { color: var(--text); }
.wiki-filter.active { box-shadow: var(--nm-inset-sm); color: var(--cat, var(--primary)); }

/* --- Section heads --- */
.wiki-section { margin-bottom: 48px; }
.wiki-section[hidden] { display: none; }
.wiki-section-head {
  display: flex; align-items: baseline; gap: 12px;
  margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--border-variant);
}
.wiki-section-head h2 { font-size: 19px; font-weight: 800; letter-spacing: -0.01em; color: var(--text); margin: 0; }
.wiki-section-count { font-size: 13px; font-weight: 600; color: var(--text-secondary); font-variant-numeric: tabular-nums; }

/* --- Featured (Top 10) --- */
.wiki-featured-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(282px, 1fr)); gap: 20px; }
.wiki-featured-tile {
  display: flex; flex-direction: column; padding: 20px 22px 18px;
  border-radius: 20px; background: var(--nm-bg);
  border: 1.5px solid transparent;
  text-decoration: none; color: inherit; box-shadow: var(--nm-raised);
  transition: transform 0.14s, box-shadow 0.14s, border-color 0.14s;
}
.wiki-featured-tile:hover { transform: translateY(-3px); box-shadow: var(--nm-raised-lg); border-color: var(--cat, var(--primary)); }
.wiki-featured-tile:active { transform: translateY(0); box-shadow: var(--nm-raised-sm); }
.wiki-featured-head { display: flex; align-items: baseline; gap: 11px; margin-bottom: 13px; }
.wiki-featured-rank { font-size: 13px; font-weight: 800; color: var(--cat, var(--primary)); font-variant-numeric: tabular-nums; }
.wiki-featured-name { flex: 1; font-size: 18px; font-weight: 800; letter-spacing: -0.02em; color: var(--text); }
.wiki-featured-cat { font-size: 11px; font-weight: 700; color: var(--cat); background: var(--cat-surf); padding: 3px 10px; border-radius: 100px; white-space: nowrap; }
.wiki-featured-bar { height: 8px; border-radius: 100px; background: var(--nm-bg); box-shadow: var(--nm-inset-sm); overflow: hidden; }
.wiki-featured-bar > i { display: block; height: 100%; border-radius: 100px; background: var(--cat, var(--primary)); }
.wiki-featured-meta { font-size: 11.5px; color: var(--text-secondary); margin-top: 9px; font-variant-numeric: tabular-nums; }

/* --- Full concept grid --- */
.wiki-concept-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(216px, 1fr)); gap: 18px; }
.wiki-concept-tile {
  padding: 18px 20px;
  border-radius: 16px; background: var(--nm-bg);
  border: 1.5px solid transparent;
  text-decoration: none; color: inherit; box-shadow: var(--nm-raised-sm);
  transition: transform 0.14s, box-shadow 0.14s, border-color 0.14s;
}
.wiki-concept-tile:hover { transform: translateY(-2px); box-shadow: var(--nm-raised); border-color: var(--cat, var(--primary)); }
.wiki-concept-tile:active { transform: translateY(0); box-shadow: var(--nm-inset-sm); }
.wiki-concept-tile .name { font-weight: 700; font-size: 15.5px; letter-spacing: -0.01em; color: var(--text); margin-bottom: 8px; }
.wiki-concept-tile .freq { font-size: 11.5px; color: var(--text-secondary); }
.wiki-concept-tile .freq .n { font-variant-numeric: tabular-nums; }
.wiki-concept-tile .freq .cat-tag { margin-left: 9px; font-weight: 700; color: var(--cat, var(--text-muted)); }
.wiki-concept-tile .freq .cat-tag::before {
  content: ''; display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--cat, var(--text-secondary)); margin-right: 7px;
  vertical-align: middle; position: relative; top: -1px;
}

/* --- Empty state --- */
.wiki-empty { display: none; text-align: center; padding: 56px 0; color: var(--text-secondary); font-size: 15px; }
.wiki-empty.show { display: block; }

@media (max-width: 560px) {
  .wiki-index { padding: 40px 18px 72px; }
  .wiki-hero-row { gap: 12px; }
  .wiki-stats { width: 100%; justify-content: space-between; }
  .wiki-stat { padding: 12px 14px; flex: 1; }
  .wiki-graph-link { width: 100%; justify-content: center; }
}

.related-concepts { margin: 40px 0 0; padding: 24px 0 0; border-top: 1px solid var(--border, #e8e6e0); }
.related-concepts h3 { font-size: 12px; color: var(--text-muted, #666); margin: 0 0 12px; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 700; }
.related-concepts .concept-links { display: flex; flex-wrap: wrap; gap: 8px; }
/* 필버튼: 위키 개념 페이지로 이동. 라이트/다크 모두 CSS 변수로 가독 보장 */
.related-concepts .concept-chip {
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 100px;
  background: var(--surface-container-high, #f2f0eb);
  color: var(--text, #444);
  border: 1px solid var(--border, #e0ddd5);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.1s;
}
.related-concepts .concept-chip:hover {
  background: var(--primary, #1B2A4A);
  color: var(--on-primary, #fff);
  border-color: var(--primary, #1B2A4A);
  transform: translateY(-1px);
}