/* L9-specific styles on top of shared/custom.css, L6/custom.css, L7/custom.css. */

/* Compact factor-table styling (variant of L6's joint-table). */
.reveal table.factor-table {
  width: auto;
  margin: 0.3em auto;
  border-collapse: collapse;
  font-size: 0.72em;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.reveal table.factor-table th,
.reveal table.factor-table td {
  padding: 0.25em 0.6em;
  border: 1px solid #d1d5db;
  text-align: center;
}
.reveal table.factor-table thead th {
  background: #eff6ff;
  color: #1e3a8a;
  font-weight: 600;
}
.reveal table.factor-table caption {
  caption-side: top;
  font-size: 0.95em;
  font-weight: 600;
  color: #1d4ed8;
  text-align: center;
  padding-bottom: 0.2em;
}

/* 3-up layout for worked-example factor slides. */
.reveal .factor-row {
  display: flex;
  gap: 0.8em;
  justify-content: center;
  align-items: flex-start;
  margin: 0.3em 0;
  flex-wrap: wrap;
}
.reveal .factor-row > div {
  text-align: center;
  flex-basis: 30%;
  min-width: 200px;
}

/* "from -> to" arrow for factor transformations. */
.reveal .factor-derive {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.85em;
  text-align: center;
  margin: 0.3em 0;
  color: #1d4ed8;
}
.reveal .factor-derive .arrow { color: #6b7280; padding: 0 0.5em; }

/* 2-up column layout for ordering comparison slide. */
.reveal .ordering-compare {
  display: flex;
  gap: 1em;
  margin: 0.4em 0;
}
.reveal .ordering-compare .ordering-card {
  flex: 1;
  padding: 0.7em 0.9em;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-top: 4px solid #1d4ed8;
  border-radius: 6px;
}
.reveal .ordering-compare .ordering-card.bad { border-top-color: #dc2626; }
.reveal .ordering-compare .ordering-card h3 {
  color: #1d4ed8;
  font-size: 0.92em;
  margin: 0 0 0.4em 0;
}
.reveal .ordering-compare .ordering-card.bad h3 { color: #991b1b; }
.reveal .ordering-compare .ordering-card ul {
  font-size: 0.72em;
  margin: 0;
  padding-left: 1.2em;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.reveal .ordering-compare .ordering-card .total {
  font-size: 0.9em;
  font-weight: 700;
  margin-top: 0.5em;
}

/* Hypergraph visualization. */
.reveal .hypergraph-viz { display: block; margin: 0.3em auto; max-height: 220px; }
.reveal .hypergraph-viz .hg-edge {
  fill-opacity: 0.2;
  stroke-width: 2;
}
.reveal .hypergraph-viz .hg-edge-a { fill: #dbeafe; stroke: #1d4ed8; }
.reveal .hypergraph-viz .hg-edge-b { fill: #fee2e2; stroke: #dc2626; }
.reveal .hypergraph-viz .hg-edge-c { fill: #dcfce7; stroke: #16a34a; }
.reveal .hypergraph-viz .hg-node circle {
  fill: #fff;
  stroke: #111827;
  stroke-width: 2;
}
.reveal .hypergraph-viz .hg-node text {
  font-size: 13px;
  font-weight: 600;
  text-anchor: middle;
  dominant-baseline: middle;
}

/* Polytree small visual. */
.reveal .polytree-viz { display: block; margin: 0.3em auto; max-height: 240px; }

/* Sampling algorithm box. */
.reveal .sample-algo {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-left: 4px solid #16a34a;
  padding: 0.5em 0.9em;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.78em;
  margin: 0.3em auto;
  max-width: 90%;
}

/* Algorithm pseudocode card -- matches the pattern from L3/L4/L5/L6/L21. */
.reveal .algo-card {
  background: #f9fafb;
  border: 1px solid #d1d5db;
  border-left: 4px solid #1d4ed8;
  border-radius: 6px;
  padding: 0.6em 0.9em;
  font-size: 0.82em;
  margin: 0.3em auto;
  max-width: 95%;
}
.reveal .algo-card .algo-title {
  font-weight: 700;
  color: #1d4ed8;
  margin-bottom: 0.3em;
  font-size: 0.95em;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.reveal .algo-card ol {
  margin: 0.2em 0 0.2em 1.5em;
  padding: 0;
}
.reveal .algo-card ol li { margin: 0.15em 0; }
.reveal .algo-card code {
  background: #eef2ff;
  color: #1e3a8a;
  padding: 0 0.3em;
  border-radius: 3px;
  font-size: 0.95em;
}