/* ── Layout ──────────────────────────────────────────────────────────────── */
main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 3rem;
}

.page-hint {
  font-family: sans-serif;
  font-size: 0.85rem;
  color: #475569;
  text-align: center;
  padding: 0.1rem 0;
  margin: 0.25rem 0 0.75rem;
  line-height: 1.5;
}

/* ── Dataset selector ────────────────────────────────────────────────────── */
.dataset-selector {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.dataset-selector-label {
  font-family: sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  white-space: nowrap;
}

.dataset-btns {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.dataset-btn {
  font-family: sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  border: 1.5px solid #cbd5e1;
  background: var(--white);
  color: #475569;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}

.dataset-btn:hover:not(.active) {
  background: #f1f5f9;
  border-color: #94a3b8;
}

.dataset-btn.active {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

.dataset-desc {
  font-family: sans-serif;
  font-size: 0.73rem;
  color: #94a3b8;
  font-style: italic;
  margin: -0.35rem 0 1rem;
  line-height: 1.4;
}

/* ── Matrices row ────────────────────────────────────────────────────────── */
.matrices-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

/* Matrix card — mirrors .matrix-card in compas */
.matrix-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.25rem 1rem;
}

.group-header {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.group-name { font-size: 1.1rem; }

/* ── 4×4 augmented confusion matrix — dark-border style matching COMPAS ─── */
/*
          | Did Reoffend | Did NOT Reoffend | Total
  HIGH    |      TP      |       FP         |  PP
  LOW     |      FN      |       TN         |  PN
  Total   |       P      |        N         |   n
*/
.matrix-grid {
  display: grid;
  grid-template-columns: 80px 1fr 1fr 80px;
  border: 1.5px solid #1e293b;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.9rem;
}

/* Every child gets right + bottom borders */
.matrix-grid > * {
  border-right: 1px solid #1e293b;
  border-bottom: 1px solid #1e293b;
}

/* Last column (cells 4, 8, 12, 16): no right border */
.matrix-grid > :nth-child(4n) { border-right: none; }

/* Last row (cells 13–16): no bottom border */
.matrix-grid > :nth-child(n+13) { border-bottom: none; }

/* Header cells */
.mat-corner { background: #f8fafc; }

.mat-colhead {
  font-family: sans-serif;
  font-size: 0.68rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
  padding: 0.45rem 0.5rem;
  background: #f1f5f9;
  color: #334155;
}

.mat-rowhead {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 0.3rem;
  background: #f8fafc;
}

.mat-total-label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.3rem;
  background: #f8fafc;
  font-family: sans-serif;
  font-size: 0.65rem;
  color: #94a3b8;
}

/* Risk score row-header badges — mirrors .risk-badge in compas */
.risk-badge {
  font-family: sans-serif;
  font-size: 0.63rem;
  font-weight: bold;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
  padding: 0.25rem 0.4rem;
  border-radius: 3px;
}

.risk-badge.high { background: #1e293b; color: #fff; }
.risk-badge.low  { background: #e2e8f0; color: #334155; }
.risk-badge.pos  { background: #1e3a5f; color: #fff; }
.risk-badge.neg  { background: #e2e8f0; color: #334155; }

/* ── Draggable cells ─────────────────────────────────────────────────────── */
.mat-cell {
  background: var(--white);
  padding: 0.65rem 0.7rem 0.6rem;
  cursor: grab;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  user-select: none;
  transition: filter 0.12s, transform 0.1s;
  min-height: 100px;
}

.mat-cell:hover {
  filter: brightness(0.95);
  transform: translateY(-1px);
  z-index: 1;
  position: relative;
}

.mat-cell:active { transform: translateY(0); cursor: grabbing; }

/* Cell type colors — matches compas */
.mat-tp, .mat-tn { background: #f4fdf6; }
.mat-marginal    { background: #fff; }

/* Cell contents — mirrors .cell-type / .cell-n / .cell-desc in compas */
.cell-abbr {
  font-family: sans-serif;
  font-size: 0.58rem;
  font-weight: bold;
  letter-spacing: 0.07em;
  color: #94a3b8;
}

.cell-count {
  font-family: sans-serif;
  font-size: 1.75rem;
  font-weight: bold;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.mat-tp .cell-count, .mat-tn .cell-count { color: #1e293b; }
.mat-fp .cell-count { color: var(--red); }
.mat-fn .cell-count { color: #b45309; }
.mat-marginal .cell-count { color: #475569; font-size: 1.3rem; }

.cell-desc {
  font-size: 0.71rem;
  line-height: 1.4;
  color: #475569;
  margin-top: auto;
}

.mat-marginal .cell-desc { color: #94a3b8; }

/* ── Cell highlight states (when in workspace) ───────────────────────────── */
.mat-cell.in-num {
  background: #dbeafe !important;
  outline: 2.5px solid #2563eb;
  outline-offset: -2px;
}

.mat-cell.in-den {
  background: #ffedd5 !important;
  outline: 2.5px solid #ea580c;
  outline-offset: -2px;
}

.mat-cell.in-num .cell-abbr, .mat-cell.in-num .cell-count { color: #1e40af; }
.mat-cell.in-den .cell-abbr, .mat-cell.in-den .cell-count { color: #c2410c; }

/* In both zones simultaneously (e.g. TP / TP) */
.mat-cell.in-num.in-den {
  background: linear-gradient(to right, #dbeafe 50%, #ffedd5 50%) !important;
  outline: 2.5px solid #7c3aed;
  outline-offset: -2px;
}
.mat-cell.in-num.in-den .cell-abbr,
.mat-cell.in-num.in-den .cell-count { color: #5b21b6; }

/* ── Live result (below each matrix) ────────────────────────────────────── */
.live-result {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.25rem;
  margin-top: 0.5rem;
  min-height: 70px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.result-value {
  font-size: 2rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--navy);
  line-height: 1;
}

.result-formula {
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 3px;
}

.result-name {
  font-size: 0.75rem;
  font-family: sans-serif;
  color: #94a3b8;
  margin-top: 2px;
}

.result-placeholder {
  font-size: 0.82rem;
  font-family: sans-serif;
  color: #cbd5e1;
  font-style: italic;
}

/* ── Known Metrics drawer ───────────────────────────────────────────────── */
@keyframes treasure-pulse {
  0%, 100% {
    box-shadow: 0 0 0 1.5px #f5a623,
                0 0 14px rgba(245, 166, 35, 0.15),
                var(--shadow);
  }
  50% {
    box-shadow: 0 0 0 1.5px #f5a623,
                0 0 30px rgba(245, 166, 35, 0.35),
                0 0 52px rgba(245, 166, 35, 0.15),
                var(--shadow);
  }
}

.metrics-drawer {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  margin-bottom: 0;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.25s ease,
              margin-bottom 0.4s ease;
}
.metrics-drawer.open {
  max-height: 300px;
  opacity: 1;
  margin-bottom: 0.75rem;
}
.drawer-inner {
  background: var(--white);
  border: 1.5px solid #cbd5e1;
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  box-shadow: var(--shadow);
}
.metrics-drawer.open .drawer-inner {
  border-color: #f5a623;
  background: #fffbeb;
  animation: treasure-pulse 3s ease-in-out infinite;
}
.drawer-label {
  font-family: sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  white-space: nowrap;
  padding-top: 0.4rem;
  flex-shrink: 0;
}
.metrics-drawer.open .drawer-label { color: #b45309; }
.drawer-teaser {
  flex: 1;
  margin: 0;
  padding-top: 0.15rem;
  font-family: sans-serif;
  font-size: 0.85rem;
  line-height: 1.5;
  color: #57534e;
}
.metrics-drawer.revealed .drawer-teaser { display: none; }
.drawer-reveal-link {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--blue);
  text-decoration: underline;
  cursor: pointer;
}
.drawer-reveal-link:hover { color: var(--red); }
.drawer-chips {
  display: none;
  flex-wrap: wrap;
  gap: 0.4rem;
  flex: 1;
}
.metrics-drawer.revealed .drawer-chips { display: flex; }
.drawer-chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 4px;
  font-family: sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}
.drawer-chip:hover {
  background: #f5a623;
  color: #fff;
  border-color: #d97706;
}
/* ── Workspace card ─────────────────────────────────────────────────────── */
.workspace-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.5rem 1.25rem;
  margin-bottom: 1.25rem;
}

.workspace-heading {
  font-family: sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #94a3b8;
  margin-bottom: 0.75rem;
}

.workspace-zones {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Zone wrappers — clicking anywhere activates that zone */
.zone-wrapper {
  cursor: pointer;
}

.zone-label {
  font-family: sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #cbd5e1;
  padding-bottom: 4px;
  transition: color 0.12s;
}

.zone-wrapper[data-zone="num"].zone-active .zone-label { color: #2563eb; }
.zone-wrapper[data-zone="den"].zone-active .zone-label { color: #ea580c; }

/* Drop zones */
.zone {
  position: relative;
  z-index: 2; /* above the full-page trash zone (z-index:1) */
  min-height: 56px;
  padding: 10px 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  border-radius: 5px;
  transition: background 0.12s, border-color 0.12s, border-width 0.05s;
}

.num-zone {
  background: #eff6ff;
  border: 2px solid #bfdbfe;
}

.zone-wrapper[data-zone="num"].zone-active .num-zone {
  border: 2.5px solid #2563eb;
  background: #dbeafe;
}

.den-zone {
  background: #fff7ed;
  border: 2px solid #fed7aa;
}

.zone-wrapper[data-zone="den"].zone-active .den-zone {
  border: 2.5px solid #ea580c;
  background: #ffedd5;
}

.zone.drag-over {
  border-style: solid;
  border-color: var(--navy);
  filter: brightness(0.95);
}

.zone-hint {
  font-size: 0.8rem;
  font-family: sans-serif;
  color: #94a3b8;
  font-style: italic;
}

/* "+" separator between chips in a zone */
.chip-plus {
  font-family: sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #94a3b8;
  padding: 0 2px;
  user-select: none;
  pointer-events: none;
}

/* Fraction bar divider */
.workspace-divider {
  height: 3px;
  background: #1e293b;
  border-radius: 2px;
  margin: 10px 0;
}

/* ── Chips ───────────────────────────────────────────────────────────────── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 5px 10px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: grab;
  white-space: nowrap;
  border: 1px solid transparent;
}

.chip:active { cursor: grabbing; }

.chip-tp { background: #dcfce7; color: #15803d; border-color: #86efac; }
.chip-fp { background: #fee2e2; color: #dc2626; border-color: #fca5a5; }
.chip-fn { background: #fef3c7; color: #92400e; border-color: #fde68a; }
.chip-tn { background: #dcfce7; color: #15803d; border-color: #86efac; }
.chip-marg { background: #e2e8f0; color: #334155; border-color: #cbd5e1; }

.chip-x {
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  font-size: 0.9rem;
  line-height: 1;
  font-family: sans-serif;
  padding: 0;
  /* Collapsed by default; expands on chip hover */
  max-width: 0;
  overflow: hidden;
  margin-left: 0;
  opacity: 0;
  pointer-events: none;
  transition: max-width 0.15s ease, margin-left 0.15s ease, opacity 0.12s;
}

.chip:hover .chip-x {
  max-width: 1.2em;
  margin-left: 5px;
  opacity: 0.6;
  pointer-events: auto;
}

.chip:hover .chip-x:hover { opacity: 1; }

/* ── Metric info ─────────────────────────────────────────────────────────── */
.metric-info {
  margin: 1rem 0 0.25rem;
  min-height: 1.5rem;
}

.metric-found {
  border-left: 3px solid var(--navy);
  padding-left: 1rem;
}

.metric-primary-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 2px;
}

.metric-synonyms {
  font-size: 0.82rem;
  font-family: sans-serif;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.metric-commentary {
  font-size: 0.88rem;
  line-height: 1.6;
  color: #334155;
  margin: 0.4rem 0;
  max-width: 72ch;
}

.metric-sources {
  font-size: 0.78rem;
  font-family: sans-serif;
  color: #94a3b8;
  margin-top: 0.25rem;
}

.metric-unknown {
  border-left: 3px solid #e2e8f0;
  padding-left: 1rem;
}

.metric-custom-label {
  font-size: 0.82rem;
  font-family: sans-serif;
  color: #94a3b8;
  font-style: italic;
}

/* ── Workspace action buttons ────────────────────────────────────────────── */
.workspace-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid #f1f5f9;
}

#btn-clear {
  background: none;
  border: 1px solid #e2e8f0;
  color: var(--muted);
  font-family: sans-serif;
  font-size: 0.82rem;
  padding: 6px 14px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
}

#btn-clear:hover { background: #f8fafc; border-color: #cbd5e1; }

#btn-remember {
  background: var(--navy);
  color: var(--white);
  border: none;
  font-family: sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.12s;
}

#btn-remember:hover:not(:disabled) { background: var(--blue); }
#btn-remember:disabled { opacity: 0.35; cursor: not-allowed; }

/* ── Saved metrics table ─────────────────────────────────────────────────── */
.saved-section {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
  overflow-x: auto;
}

.saved-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.saved-section h2 {
  font-family: sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0;
}

.btn-print {
  font-family: sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--navy);
  background: #f1f5f9;
  border: 1.5px solid #cbd5e1;
  border-radius: 4px;
  padding: 0.3rem 0.75rem;
  cursor: pointer;
}
.btn-print:hover { background: #e2e8f0; }

.saved-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.saved-table th {
  background: #f8fafc;
  padding: 8px 12px;
  text-align: left;
  font-family: sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid #e2e8f0;
  white-space: nowrap;
}

.saved-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: middle;
}

.saved-table tr:last-child td { border-bottom: none; }

.formula-cell {
  font-family: monospace;
  font-size: 0.82rem;
  color: #475569;
}

.value-cell {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-family: sans-serif;
  white-space: nowrap;
}

.delta-cell {
  font-variant-numeric: tabular-nums;
  font-family: sans-serif;
  white-space: nowrap;
}

.delta-large { color: var(--red); font-weight: 700; }

.btn-remove-row {
  background: none;
  border: none;
  cursor: pointer;
  color: #cbd5e1;
  font-size: 1rem;
  padding: 2px 6px;
  line-height: 1;
}

.btn-remove-row:hover { color: var(--red); }

/* ── Papers footer (mirrors compas) ─────────────────────────────────────── */
.papers-section {
  background: var(--navy);
  color: #ccc;
  padding: 2rem 2rem 2.5rem;
  margin-top: 3rem;
}

.papers-section h3 { color: #fff; font-size: 1rem; margin-bottom: 1rem; }

.papers-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.75rem;
}

.paper-link {
  background: rgba(255,255,255,0.07);
  border-radius: 5px;
  padding: 0.6rem 0.9rem;
  font-size: 0.8rem;
  font-family: sans-serif;
  line-height: 1.4;
}

.paper-link a { color: #7ecfff; text-decoration: none; }
.paper-link a:hover { text-decoration: underline; }
.paper-link .venue { color: #999; font-style: italic; }

/* ── Tutorial slide card ─────────────────────────────────────────────────── */
.hidden { display: none !important; }

#explainer {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 3rem 1rem 2rem;
}

.slide-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 2.5rem 1.75rem;
  max-width: 660px;
  width: 100%;
}

.skip-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 0.82rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
}
.skip-btn:hover { color: #64748b; }

.slide-card h2 {
  font-size: 1.35rem;
  color: var(--navy);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.slide-card > p {
  color: #334155;
  line-height: 1.6;
  margin-bottom: 1.25rem;
  font-size: 0.96rem;
}

#slide-viz {
  margin-bottom: 1.5rem;
}

.slide-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.slide-nav button {
  background: var(--navy);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
  cursor: pointer;
}
.slide-nav button:hover { background: #2d2d4e; }
#btn-prev { background: #f1f5f9; color: #334155; }
#btn-prev:hover { background: #e2e8f0; }

.dots { display: flex; gap: 6px; margin-left: auto; }
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #cbd5e1;
  transition: background 0.2s;
}
.dot.active { background: var(--navy); }

/* ── Slide visualization classes ────────────────────────────────────────── */

/* Shared: small note text below a viz */
.sv-note {
  margin-top: 0.6rem;
  font-family: sans-serif;
  font-size: 0.76rem;
  color: #94a3b8;
  font-style: italic;
}

/* Slide 1 — mini 3×3 confusion matrix (copied from COMPAS sv-matrix) */
.sv-matrix {
  display: grid;
  grid-template-columns: 72px 1fr 1fr;
  border: 1.5px solid #1e293b;
  border-radius: 4px;
  overflow: hidden;
  font-family: sans-serif;
  font-size: 0.75rem;
}
.sv-matrix > * { border-right: 1px solid #1e293b; border-bottom: 1px solid #1e293b; }
.sv-matrix > :nth-child(3n)  { border-right: none; }
.sv-matrix > :nth-child(n+7) { border-bottom: none; }
.sv-m-corner  { background: #f8fafc; }
.sv-m-head {
  background: #f1f5f9; text-align: center; padding: 0.3rem 0.4rem;
  font-size: 0.62rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.04em; color: #334155;
}
.sv-m-row-head {
  display: flex; align-items: center; justify-content: center;
  padding: 0.3rem; background: #f8fafc;
  font-size: 0.65rem; font-weight: 700; color: #334155; text-align: center;
}
.sv-m-cell { padding: 0.5rem 0.75rem; line-height: 1.4; }
.sv-tp, .sv-tn { background: #f4fdf6; }
.sv-fp { color: var(--red); }
.sv-fn { color: #b45309; }

/* Slide 2 — FP÷N fraction display */
.sv-frac-demo {
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: 6px;
  padding: 0.9rem 1.1rem;
}
.sv-frac-expr {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.8rem;
  flex-wrap: wrap;
}
.sv-frac-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 4px;
  font-family: sans-serif;
  font-weight: 700;
  font-size: 0.88rem;
}
.sv-fc-fp { background: #fee2e2; color: #dc2626; border: 1px solid #fca5a5; }
.sv-fc-fn { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.sv-fc-tp { background: #dcfce7; color: #15803d; border: 1px solid #86efac; }
.sv-fc-tn { background: #dcfce7; color: #15803d; border: 1px solid #86efac; }
.sv-fc-n  { background: #e2e8f0; color: #334155; border: 1px solid #cbd5e1; }
.sv-fc-p  { background: #e2e8f0; color: #334155; border: 1px solid #cbd5e1; }
.sv-frac-slash { font-size: 1.2rem; color: #94a3b8; font-weight: 300; }
.sv-frac-name  { font-family: sans-serif; font-size: 0.85rem; color: #475569; font-weight: 600; }

.sv-stat-pills { display: flex; gap: 0.65rem; }
.sv-stat-pill {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.75rem;
  border-radius: 5px;
  font-family: sans-serif;
  font-size: 0.78rem;
}
.sv-stat-pill strong { font-size: 1.05rem; font-variant-numeric: tabular-nums; }
.sv-pill-dark  { background: #1e293b; color: #fff; }
.sv-pill-light { background: #f1f5f9; color: #334155; }

/* Slide 3 — workspace schematic */
.sv-ws-demo {
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: 6px;
  padding: 0.75rem 0.9rem;
}
.sv-ws-zone {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0.7rem;
  border-radius: 4px;
  min-height: 40px;
}
.sv-ws-num { background: #dbeafe; border: 2px solid #2563eb; margin-bottom: 2px; }
.sv-ws-den { background: #ffedd5; border: 2px solid #ea580c; margin-top: 2px; }
.sv-ws-label {
  font-family: sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  min-width: 5.5rem;
}
.sv-ws-divider { height: 3px; background: #1e293b; border-radius: 2px; margin: 4px 0; }
.sv-ws-result {
  margin-top: 0.6rem;
  font-family: sans-serif;
  font-size: 0.82rem;
  color: #475569;
  line-height: 1.4;
}

/* Slide 4 — base rate bars (copied from COMPAS sv-bars) */
.sv-bars { font-family: sans-serif; padding: 0.25rem 0; }
.sv-bar-row { display: flex; align-items: center; gap: 0.65rem; margin-bottom: 0.55rem; }
.sv-bar-label { font-size: 0.75rem; min-width: 140px; color: #334155; }
.sv-bar-track { flex: 1; height: 22px; background: #e2e8f0; border-radius: 3px; overflow: hidden; }
.sv-bar-fill  { height: 100%; border-radius: 3px; }
.sv-bar-a     { background: var(--red); }
.sv-bar-b     { background: var(--blue); }
.sv-bar-pct   { font-size: 0.75rem; font-weight: 600; min-width: 36px; color: #1e293b; }
.sv-bar-caption { font-size: 0.65rem; color: #94a3b8; font-style: italic; margin-top: 0.4rem; }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 860px) {
  .matrices-row { grid-template-columns: 1fr; }
  .cell-count { font-size: 1.35rem; }
  .mat-marginal .cell-count { font-size: 1.1rem; }
}

@media (max-width: 600px) {
  .metrics-drawer.open { max-height: 600px; }
  .drawer-inner { flex-direction: column; gap: 0.5rem; }
  .drawer-label { padding-top: 0; white-space: normal; }
}