/* ── Index Page Design System ─────────────────────────── */
/* card-detail.css 토큰(--cd-*) 공유, 인덱스 전용 컴포넌트 */

main#main-content {
  background: var(--cd-bg-page);
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 16px 46px;
}

.idx-page {
  background: var(--cd-bg-page);
}

/* ── Section ── */
.idx-section {
  margin-bottom: 36px;
}
.idx-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cd-text-muted);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.idx-section-desc {
  font-size: 13px;
  color: var(--cd-text-muted);
  margin: -8px 0 14px;
}
.idx-section-link {
  font-size: 12px;
  font-weight: 500;
  color: var(--cd-text-secondary);
  text-decoration: none;
  text-transform: none;
  letter-spacing: normal;
}
.idx-section-link:hover {
  color: var(--cd-text-primary);
}

/* ── Tree preview (2-col grid) ── */
.idx-tree-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.idx-tree-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  background: var(--cd-bg-card);
  border: 1px solid var(--cd-border);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 150ms ease;
}
.idx-tree-item:hover {
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.idx-tree-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cd-text-muted);
  flex-shrink: 0;
  margin-top: 5px;
}
.idx-tree-body {
  flex: 1;
  min-width: 0;
}
.idx-tree-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--cd-text-primary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0 0 4px;
}
.idx-tree-count {
  font-size: 12px;
  font-family: var(--mono);
  color: var(--cd-text-muted);
  margin: 0;
}

/* ── Card bar header ── */
.idx-card-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 20px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  border-radius: 10px 10px 0 0;
}
.idx-card-bar-time {
  font-weight: 400;
  font-family: var(--mono);
  font-size: 12px;
  opacity: 0.8;
}

/* ── Card content ── */
.idx-card-content {
  padding: 16px 20px;
}
.card-body-row {
  display: flex;
  gap: 16px;
}

/* ── Card list ── */
.idx-card-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.idx-card {
  text-decoration: none;
  color: inherit;
  background: var(--cd-bg-card);
  border: 1px solid var(--cd-border);
  border-radius: 10px;
  transition: box-shadow 150ms ease;
  overflow: hidden;
}
.idx-card:hover {
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}

.idx-card-thumb {
  width: 120px;
  flex-shrink: 0;
  align-self: flex-start;
  aspect-ratio: 16/9;
  border-radius: 10px;
  overflow: hidden;
  background: var(--cd-bg-chip);
}
.idx-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.idx-card-body { flex: 1; min-width: 0; }

.idx-card-title {
  font-family: var(--cd-serif);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--cd-text-primary);
  margin: 0 0 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.idx-card-hook {
  font-size: 14px;
  color: var(--cd-text-secondary);
  line-height: 1.55;
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.idx-edr-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.idx-edr-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}
.idx-edr-value {
  font-size: 13px;
  font-family: var(--mono);
  font-weight: 600;
}
.idx-edr-label {
  font-size: 13px;
  color: var(--cd-text-muted);
}
.idx-edr-track {
  flex: 1;
  max-width: 120px;
  height: 3px;
  background: var(--cd-border);
  border-radius: 2px;
  overflow: hidden;
}
.idx-edr-fill {
  height: 100%;
  border-radius: 2px;
}
.idx-outlet-count {
  font-size: 13px;
  font-family: var(--mono);
  color: var(--cd-text-muted);
}

/* ── Pagination ── */
.idx-pagination {
  padding: 8px 0 4px;
  text-align: center;
}
.idx-pagination-prev {
  border-top: 1px solid var(--cd-border);
}
.idx-page-btn {
  display: inline-block;
  padding: 6px 18px;
  font-size: 13px;
  font-family: var(--mono);
  font-weight: 600;
  color: var(--cd-text-secondary);
  background: transparent;
  border: 1px solid var(--cd-border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 150ms ease;
}
.idx-page-btn:hover {
  background: var(--cd-bg-chip);
  color: var(--cd-text-primary);
}

@media (max-width: 640px) {
  .idx-tree-grid { grid-template-columns: 1fr; }
  .idx-card-content { padding: 14px; }
  .card-body-row { gap: 12px; }
  .idx-card-thumb { width: 90px; }
  .idx-card-title { font-size: 16px; }
  .idx-subject-bias-grid { grid-template-columns: 1fr !important; }
}

/* ── Heatmap ── */
#card-heatmap { padding: 4px; box-sizing: border-box; }

/* ── Heatmap tabs ── */
.heatmap-tabs { display:flex; gap:4px; margin-bottom:14px; }
.hm-tab {
  padding:6px 12px; font-size:12.5px; font-weight:500; cursor:pointer;
  background:var(--cd-bg-chip); border:1px solid var(--cd-border); border-radius:20px;
  color:var(--cd-text-secondary);
}
.hm-tab--active { background:var(--cd-text-primary); color:#fff; border-color:var(--cd-text-primary); }