/* SGA Practice S-Curve — light, executive-grade UI */
:root {
  --bg: #f7f8fa;
  --panel: #ffffff;
  --ink: #0f172a;
  --ink-mid: #334155;
  --ink-soft: #64748b;
  --ink-faint: #94a3b8;
  --line: #e5e7eb;
  --line-soft: #f1f2f4;
  --accent: #0b2545;
  --accent-light: #1e3a5f;

  --s1: #94a3b8;
  --s2: #60a5fa;
  --s3: #10b981;
  --s4: #f59e0b;
  --s5: #8b5cf6;

  --rev: #2563eb;
  --ebi: #10b981;

  --danger: #ef4444;
  --warn: #f59e0b;
  --pass: #10b981;

  --shadow-sm: 0 1px 2px rgba(15,23,42,0.04);
  --shadow-md: 0 2px 8px rgba(15,23,42,0.06), 0 1px 2px rgba(15,23,42,0.04);
  --radius: 10px;
  --radius-sm: 6px;

  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

* { box-sizing: border-box; }
html, body { margin:0; padding:0; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ====== HEADER ====== */
.app-header { background: #fff; border-bottom: 1px solid var(--line); }
.header-inner {
  max-width: 1440px; margin: 0 auto; padding: 18px 28px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: white; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; letter-spacing: 1px;
}
.app-title { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.app-subtitle { font-size: 12px; color: var(--ink-soft); margin-top: 2px; }
.header-meta { display: flex; gap: 24px; }
.meta-row { display: flex; flex-direction: column; align-items: flex-end; }
.meta-label { font-size: 11px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.05em; }
.meta-value { font-size: 16px; font-weight: 600; font-variant-numeric: tabular-nums; }

/* ====== TABS ====== */
.tab-bar { background: #fff; border-bottom: 1px solid var(--line); }
.tab-inner { max-width: 1440px; margin: 0 auto; padding: 0 28px; display: flex; gap: 4px; }
.tab {
  background: none; border: 0; padding: 14px 18px;
  font-family: inherit; font-size: 13px; font-weight: 500; color: var(--ink-soft);
  cursor: pointer; position: relative;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--ink); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ====== MAIN ====== */
.app-main {
  max-width: 1440px; margin: 0 auto; padding: 20px 28px 40px;
}

/* ====== KPI BAND ====== */
.kpi-band {
  display: flex; align-items: center; gap: 20px;
  margin-bottom: 18px;
}
.curve-toggle {
  display: inline-flex; background: #fff; border: 1px solid var(--line);
  border-radius: 8px; padding: 3px; box-shadow: var(--shadow-sm);
}
.curve-btn {
  background: none; border: 0; padding: 8px 14px;
  font-family: inherit; font-size: 13px; font-weight: 500; color: var(--ink-soft);
  cursor: pointer; border-radius: 6px;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.15s;
}
.curve-btn:hover { color: var(--ink); }
.curve-btn.active { background: var(--ink); color: #fff; }
.curve-dot { width: 8px; height: 8px; border-radius: 50%; }
.curve-dot.revenue { background: var(--rev); }
.curve-dot.ebitda { background: var(--ebi); }
.curve-dot.pbi { background: #2563eb; }
.curve-dot.di { background: #7c3aed; }

.kpi-cards {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; flex: 1;
}
.kpi-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 14px; box-shadow: var(--shadow-sm);
  cursor: pointer; transition: all 0.15s;
}
.kpi-card:hover { border-color: var(--ink-faint); }
.kpi-card.active { border-color: var(--accent); background: var(--line-soft); }
.kpi-stage { display: flex; align-items: center; gap: 8px; font-size: 11px; font-weight: 600; color: var(--ink-soft); }
.kpi-stage::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--s1);
}
.kpi-card[data-stage="S1"] .kpi-stage::before { background: var(--s1); }
.kpi-card[data-stage="S2"] .kpi-stage::before { background: var(--s2); }
.kpi-card[data-stage="S3"] .kpi-stage::before { background: var(--s3); }
.kpi-card[data-stage="S4"] .kpi-stage::before { background: var(--s4); }
.kpi-card[data-stage="S5"] .kpi-stage::before { background: var(--s5); }
.kpi-count { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; margin-top: 2px; font-variant-numeric: tabular-nums; }
.kpi-pct { font-size: 11px; color: var(--ink-faint); }

/* ====== WORKSPACE ====== */
.workspace {
  display: grid; grid-template-columns: 1fr 380px; gap: 20px;
  margin-bottom: 18px;
}
.chart-card, .detail-panel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.chart-card { padding: 18px; }
.chart-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 12px;
}
.chart-title { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.chart-subtitle { font-size: 12px; color: var(--ink-soft); margin-top: 2px; }
.chart-controls { display: flex; gap: 14px; }
.chk { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-mid); cursor: pointer; }
.chk input { margin: 0; }

.chart-wrapper { position: relative; }
#scurve { width: 100%; height: 520px; display: block; }
.chart-legend {
  display: flex; gap: 16px; justify-content: center;
  margin-top: 8px; font-size: 11px; color: var(--ink-soft);
}
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.legend-swatch { width: 10px; height: 10px; border-radius: 50%; }

/* ====== DETAIL PANEL ====== */
.detail-panel { padding: 20px; overflow-y: auto; max-height: calc(520px + 36px); }
.panel-empty { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 24px 0; }
.empty-icon { font-size: 28px; color: var(--ink-faint); margin-bottom: 10px; }
.empty-title { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.empty-text { font-size: 12px; color: var(--ink-soft); max-width: 260px; line-height: 1.5; }

.portfolio-summary {
  margin-top: 24px; padding-top: 18px;
  border-top: 1px solid var(--line); width: 100%;
  text-align: left;
}
.summary-head { font-size: 11px; font-weight: 600; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 10px; }
.summary-metric { margin-bottom: 14px; }
.metric-label { font-size: 12px; color: var(--ink-soft); }
.metric-value { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; color: var(--accent); }
.summary-lever-dist { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.dist-row { display: flex; justify-content: space-between; font-size: 12px; }
.dist-label { color: var(--ink-mid); }
.dist-value { font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }

/* detail states */
.practice-detail { display: flex; flex-direction: column; gap: 14px; }
.practice-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.practice-name { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.practice-code { font-size: 11px; color: var(--ink-faint); font-family: var(--mono); margin-top: 2px; }
.stage-row { display: flex; gap: 8px; }
.stage-chip { padding: 4px 8px; border-radius: 12px; font-size: 11px; font-weight: 600; display: inline-flex; align-items: center; gap: 5px; }
.stage-chip.s1 { background: #f1f5f9; color: #475569; }
.stage-chip.s2 { background: #dbeafe; color: #1d4ed8; }
.stage-chip.s3 { background: #d1fae5; color: #047857; }
.stage-chip.s4 { background: #fef3c7; color: #a16207; }
.stage-chip.s5 { background: #ede9fe; color: #6d28d9; }
.stage-chip-label { opacity: 0.8; font-weight: 500; }

.progress-block { margin-top: 4px; }
.progress-label { display: flex; justify-content: space-between; font-size: 11px; color: var(--ink-soft); margin-bottom: 4px; }
.progress-bar { height: 6px; background: var(--line-soft); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 3px; transition: width 0.4s; }

.section-head { font-size: 11px; font-weight: 600; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }

.explanation { background: var(--line-soft); border-radius: 8px; padding: 12px; font-size: 13px; color: var(--ink-mid); }
.explanation.why-not { background: #fef3c7; color: #713f12; }

.gates { display: flex; flex-direction: column; gap: 4px; margin-top: 6px; }
.gate-row { display: flex; justify-content: space-between; align-items: center; padding: 6px 10px; border-radius: 6px; font-size: 12px; }
.gate-row.pass { background: #ecfdf5; color: #065f46; }
.gate-row.warn { background: #fef3c7; color: #78350f; }
.gate-row.fail { background: #fef2f2; color: #991b1b; }
.gate-status { font-size: 11px; font-weight: 600; }

/* THE LEVER */
.lever-card {
  background: linear-gradient(135deg, #fef9c3 0%, #fef3c7 100%);
  border: 1px solid #fcd34d;
  border-radius: 10px;
  padding: 14px;
  margin-top: 4px;
}
.lever-kicker { font-size: 10px; font-weight: 700; color: #92400e; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 4px; }
.lever-title { font-size: 15px; font-weight: 600; color: #78350f; margin-bottom: 8px; }
.lever-impact-row { display: flex; align-items: baseline; gap: 8px; margin-bottom: 10px; }
.lever-impact { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; color: #78350f; font-variant-numeric: tabular-nums; }
.lever-impact-unit { font-size: 11px; color: #a16207; text-transform: uppercase; letter-spacing: 0.05em; }
.lever-move { display: flex; gap: 14px; background: rgba(255,255,255,0.7); padding: 8px 10px; border-radius: 6px; font-size: 12px; color: #78350f; }
.lever-move-col { display: flex; flex-direction: column; }
.lever-move-label { font-size: 10px; color: #a16207; text-transform: uppercase; letter-spacing: 0.05em; }
.lever-move-val { font-weight: 600; font-variant-numeric: tabular-nums; }
.lever-rationale { font-size: 12px; color: #78350f; margin-top: 10px; }
.lever-playbook { margin-top: 10px; padding-top: 10px; border-top: 1px solid #fcd34d; }
.lever-playbook-head { font-size: 10px; font-weight: 700; color: #92400e; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 6px; }
.lever-playbook ul { margin: 0; padding-left: 18px; font-size: 12px; color: #78350f; }
.lever-playbook li { margin-bottom: 4px; }

.metric-bars { display: flex; flex-direction: column; gap: 6px; margin-top: 4px; }
.metric-bar-row { display: grid; grid-template-columns: 90px 1fr 50px; align-items: center; gap: 8px; font-size: 11px; }
.metric-bar-label { color: var(--ink-soft); }
.metric-bar-track { height: 6px; background: var(--line-soft); border-radius: 3px; overflow: hidden; position: relative; }
.metric-bar-fill { height: 100%; border-radius: 3px; background: var(--accent-light); }
.metric-bar-value { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink); }

/* ====== FILTER BAR ====== */
.filter-bar {
  display: flex; gap: 16px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 14px; box-shadow: var(--shadow-sm);
}
.search-box { flex: 0 0 320px; }
.search-box input {
  width: 100%; padding: 8px 12px; border: 1px solid var(--line);
  border-radius: 6px; font-family: inherit; font-size: 13px;
  background: var(--bg);
}
.search-box input:focus { outline: none; border-color: var(--accent); background: #fff; }
.stage-filters { display: flex; gap: 6px; }
.stage-filter {
  padding: 6px 10px; border: 1px solid var(--line); border-radius: 6px;
  font-family: inherit; font-size: 12px; font-weight: 500; color: var(--ink-mid);
  background: #fff; cursor: pointer;
  display: inline-flex; align-items: center; gap: 5px;
}
.stage-filter:hover { border-color: var(--ink-faint); }
.stage-filter.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.stage-filter::before { content:''; width: 6px; height: 6px; border-radius: 50%; }
.stage-filter[data-stage="all"]::before { display: none; }
.stage-filter[data-stage="S1"]::before { background: var(--s1); }
.stage-filter[data-stage="S2"]::before { background: var(--s2); }
.stage-filter[data-stage="S3"]::before { background: var(--s3); }
.stage-filter[data-stage="S4"]::before { background: var(--s4); }
.stage-filter[data-stage="S5"]::before { background: var(--s5); }

/* ====== TOOLTIP ====== */
.scurve-tooltip {
  position: fixed; pointer-events: none; z-index: 100;
  background: #0f172a; color: #fff; border-radius: 8px; padding: 10px 12px;
  font-size: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  opacity: 0; transition: opacity 0.12s;
  max-width: 260px;
}
.scurve-tooltip.visible { opacity: 1; }
.tt-name { font-weight: 600; margin-bottom: 4px; font-size: 13px; }
.tt-row { display: flex; justify-content: space-between; gap: 10px; color: #cbd5e1; }
.tt-divider { height: 1px; background: #1e293b; margin: 6px 0; }
.tt-lever { font-size: 11px; color: #fcd34d; margin-top: 6px; }

/* ====== METHODOLOGY ====== */
.methodology { max-width: 820px; margin: 0 auto; padding: 20px 0; }
.method-block { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin-bottom: 16px; box-shadow: var(--shadow-sm); }
.method-block h2 { font-size: 16px; font-weight: 600; margin: 0 0 10px; letter-spacing: -0.01em; }
.method-block p { margin: 0 0 10px; color: var(--ink-mid); }
.method-block p:last-child { margin-bottom: 0; }
.stage-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stage-def { display: flex; gap: 12px; padding: 12px; background: var(--bg); border-radius: 8px; font-size: 13px; line-height: 1.5; }
.stage-badge { width: 28px; height: 28px; border-radius: 6px; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; flex-shrink: 0; }
.stage-badge.s1 { background: var(--s1); }
.stage-badge.s2 { background: var(--s2); }
.stage-badge.s3 { background: var(--s3); }
.stage-badge.s4 { background: var(--s4); }
.stage-badge.s5 { background: var(--s5); }
.weights-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.weight-col h3 { font-size: 13px; font-weight: 600; margin: 0 0 8px; color: var(--ink-mid); }
.weight-row { display: grid; grid-template-columns: 1fr 40px 80px; align-items: center; gap: 8px; font-size: 12px; padding: 4px 0; }
.weight-row .bar { height: 5px; background: var(--line-soft); border-radius: 3px; }
.weight-row .bar-fill { height: 100%; background: var(--accent-light); border-radius: 3px; }
.weight-pct { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.hypothesis-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 10px 0; }
.hypothesis-grid ul { margin: 6px 0 0; padding-left: 20px; font-size: 13px; color: var(--ink-mid); }
.lever-list { margin: 0; padding-left: 20px; }
.lever-list li { margin-bottom: 6px; font-size: 13px; }
.callout { background: var(--bg); border-left: 3px solid var(--accent); padding: 10px 14px; border-radius: 0 6px 6px 0; font-size: 13px; color: var(--ink-mid); margin-top: 12px !important; }

/* ====== LEVERBOARD ====== */
.leverboard-head { padding: 20px 0 10px; }
.leverboard-head h2 { margin: 0; font-size: 20px; letter-spacing: -0.01em; }
.leverboard-head p { margin: 4px 0 0; color: var(--ink-soft); font-size: 13px; }
.leverboard-table-wrap {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm);
}
.leverboard-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.leverboard-table th {
  background: var(--bg); padding: 10px 12px; text-align: left;
  font-weight: 600; color: var(--ink-mid); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.05em;
  border-bottom: 1px solid var(--line);
  cursor: pointer; user-select: none;
}
.leverboard-table th:hover { color: var(--ink); }
.leverboard-table th.desc::after { content: ' ↓'; }
.leverboard-table th.asc::after { content: ' ↑'; }
.leverboard-table td { padding: 10px 12px; border-bottom: 1px solid var(--line-soft); }
.leverboard-table tr:last-child td { border-bottom: 0; }
.leverboard-table tr:hover td { background: var(--bg); cursor: pointer; }
.leverboard-table td.num { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.leverboard-table td.impact { color: var(--accent); font-weight: 700; }

/* ====== Financial header card (in detail panel) ====== */
.fin-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; margin-bottom: 4px; }
.fin-cell { background: var(--line-soft); border-radius: 8px; padding: 10px 12px; }
.fin-cell.highlight { background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%); }
.fin-label { font-size: 10px; font-weight: 600; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.05em; }
.fin-value { font-size: 18px; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; margin-top: 2px; letter-spacing: -0.01em; }
.fin-sub { font-size: 10px; color: var(--ink-soft); margin-top: 2px; }

/* ====== 4-view stage row ====== */
.fourview { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.fv-box { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; cursor: pointer; transition: all 0.12s; }
.fv-box:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.fv-box.fv-nodata { background: var(--line-soft); cursor: default; opacity: 0.6; }
.fv-source { font-size: 10px; font-weight: 600; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.fv-stage { font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.fv-bar { height: 4px; background: var(--line-soft); border-radius: 2px; margin-top: 6px; overflow: hidden; }
.fv-barfill { height: 100%; border-radius: 2px; }
.fv-barfill.s1 { background: var(--s1); }
.fv-barfill.s2 { background: var(--s2); }
.fv-barfill.s3 { background: var(--s3); }
.fv-barfill.s4 { background: var(--s4); }
.fv-barfill.s5 { background: var(--s5); }
.fv-empty { font-size: 11px; color: var(--ink-faint); margin-top: 4px; }

/* ====== Divergence row ====== */
.divergence-row { display: flex; justify-content: space-between; font-size: 12px; padding: 6px 10px; background: #fff7ed; border-left: 3px solid #f97316; border-radius: 4px; }
.div-delta.pos { color: #059669; font-weight: 700; }
.div-delta.neg { color: #dc2626; font-weight: 700; }
.divergence-meaning { font-size: 11px; color: var(--ink-soft); padding: 0 10px 6px; }

/* ====== Projected margin row ====== */
.projected-margin { display: flex; align-items: center; gap: 10px; background: rgba(255,255,255,0.7); padding: 10px 12px; border-radius: 6px; margin-bottom: 10px; }
.pm-old { font-size: 18px; font-weight: 700; color: #92400e; font-variant-numeric: tabular-nums; opacity: 0.6; }
.pm-arrow { color: #78350f; font-size: 16px; }
.pm-new { font-size: 22px; font-weight: 800; color: #065f46; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.pm-delta { margin-left: auto; font-size: 11px; font-weight: 600; color: #065f46; background: #d1fae5; padding: 4px 8px; border-radius: 4px; }

/* ====== Math transparency block ====== */
.math-block { background: rgba(255,255,255,0.75); border: 1px solid rgba(252, 211, 77, 0.6); border-radius: 8px; padding: 10px 12px; margin: 10px 0; }
.math-head { font-size: 10px; font-weight: 700; color: #92400e; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
.math-table { width: 100%; border-collapse: collapse; font-size: 11px; font-family: var(--mono); }
.math-table tr td { padding: 3px 0; }
.math-table tr td.ms-label { color: #78350f; padding-right: 10px; }
.math-table tr td.ms-value { color: #0f172a; font-weight: 600; white-space: nowrap; text-align: right; padding-right: 10px; }
.math-table tr td.ms-note { color: #a16207; font-size: 10px; font-style: italic; }
.math-table tr:last-child td { font-weight: 700; border-top: 1px solid rgba(146, 64, 14, 0.3); padding-top: 6px; }

/* ====== Other levers list ====== */
.other-levers { display: flex; flex-direction: column; gap: 4px; }
.other-lever { display: flex; justify-content: space-between; align-items: center; padding: 8px 10px; border-radius: 6px; font-size: 12px; background: var(--line-soft); }
.other-lever.revenue { border-left: 3px solid var(--rev); }
.other-lever.expense { border-left: 3px solid var(--ebi); }
.ol-head { display: flex; align-items: center; gap: 8px; }
.ol-type { font-size: 10px; padding: 2px 6px; background: var(--bg); border-radius: 3px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); }
.ol-name { font-weight: 500; }
.ol-src { font-size: 10px; color: var(--ink-faint); }
.ol-impact { font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; }

/* ====== Lever type/source chips ====== */
.type-chip { padding: 3px 7px; border-radius: 4px; font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.type-chip.revenue { background: #dbeafe; color: #1d4ed8; }
.type-chip.expense { background: #d1fae5; color: #047857; }
.source-chip { padding: 3px 7px; border-radius: 4px; font-size: 10px; font-weight: 600; }
.source-chip.pbi { background: #ede9fe; color: #6d28d9; }
.source-chip.di { background: #fef3c7; color: #a16207; }

/* ====== Lever card types ====== */
.lever-card.expense { background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%); border-color: #34d399; }
.lever-card.expense .lever-kicker { color: #065f46; }
.lever-card.expense .lever-title,
.lever-card.expense .lever-rationale { color: #064e3b; }
.lever-card.expense .lever-impact { color: #065f46; }
.lever-card.expense .lever-playbook { border-top-color: #34d399; }

/* ====== Comparison grid ====== */
.cmp-kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.cmp-kpi { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; box-shadow: var(--shadow-sm); }
.cmp-kpi .kpi-count { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; color: var(--accent); font-variant-numeric: tabular-nums; }
.cmp-kpi .kpi-label { font-size: 11px; color: var(--ink-soft); margin-top: 2px; text-transform: uppercase; letter-spacing: 0.05em; }

.comparison-table-wrap { background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: auto; box-shadow: var(--shadow-sm); }
.comparison-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.comparison-table th { background: var(--bg); padding: 10px 10px; text-align: left; font-weight: 600; color: var(--ink-mid); font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; border-bottom: 1px solid var(--line); cursor: pointer; white-space: nowrap; }
.comparison-table th:hover { color: var(--ink); }
.comparison-table th.desc::after { content: ' ↓'; }
.comparison-table th.asc::after { content: ' ↑'; }
.comparison-table td { padding: 8px 10px; border-bottom: 1px solid var(--line-soft); white-space: nowrap; }
.comparison-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.comparison-table td.impact { color: #065f46; font-weight: 700; }
.comparison-table td.pill { font-weight: 600; }
.comparison-table tbody tr:hover td { background: var(--bg); cursor: pointer; }

.div-chip { padding: 2px 6px; border-radius: 3px; font-size: 11px; font-weight: 600; }
.div-chip.pos { background: #d1fae5; color: #065f46; }
.div-chip.neg { background: #fee2e2; color: #b91c1c; }

.cell-title { font-weight: 500; }
.cell-sub { font-size: 10px; color: var(--ink-faint); }

/* ====== Four-view method grid ====== */
.four-view-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.fv-cell { background: var(--line-soft); border-radius: 8px; padding: 12px 14px; }
.fv-cell .fv-label { font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 4px; }
.fv-cell .fv-desc { font-size: 12px; color: var(--ink-soft); }

/* ====== Brief: featured insight card ====== */
.brief-insight-card { background: linear-gradient(135deg, #0f172a, #1e293b); color: #fff; border-radius: 14px; padding: 22px 26px; box-shadow: var(--shadow-md); }
.bic-head { font-size: 20px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 8px; }
.bic-kicker { font-size: 13px; color: #cbd5e1; line-height: 1.5; margin-bottom: 12px; }
.bic-punch { font-size: 14px; font-weight: 600; color: #fbbf24; background: rgba(251,191,36,0.12); border-left: 3px solid #fbbf24; padding: 10px 14px; border-radius: 0 6px 6px 0; margin-bottom: 12px; }
.bic-evidence { display: flex; gap: 8px; font-size: 11px; color: #94a3b8; margin-bottom: 12px; font-family: var(--mono); flex-wrap: wrap; }
.bic-evidence .dot { color: #475569; }
.bic-friday { font-size: 14px; font-style: italic; color: #f1f5f9; line-height: 1.55; padding: 12px 0; border-top: 1px solid #334155; border-bottom: 1px solid #334155; margin-bottom: 12px; }
.bic-more { color: #60a5fa; font-size: 12px; text-decoration: none; font-weight: 600; }
.bic-more:hover { text-decoration: underline; }

/* ====== Insights tab ====== */
.insights-wrap { max-width: 900px; margin: 0 auto; padding: 20px 0 60px; }
.insights-cover { padding: 16px 0 22px; border-bottom: 2px solid var(--ink); margin-bottom: 28px; }
.insights-kicker { font-size: 11px; font-weight: 700; color: #b91c1c; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 6px; }
.insights-title { font-size: 32px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; }
.insights-sub { font-size: 13px; color: var(--ink-soft); margin-top: 10px; line-height: 1.55; max-width: 820px; }

.insight-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 28px 32px; margin-bottom: 24px; box-shadow: var(--shadow-md); }
.insight-header { padding-bottom: 20px; border-bottom: 1px solid var(--line); margin-bottom: 22px; }
.insight-kicker { font-size: 10px; font-weight: 700; color: #b91c1c; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 8px; }
.insight-title { font-size: 26px; font-weight: 700; margin: 0 0 10px; letter-spacing: -0.02em; color: var(--ink); line-height: 1.2; }
.insight-kicker-body { font-size: 14px; color: var(--ink-mid); line-height: 1.5; margin-bottom: 12px; }
.insight-punchline { font-size: 15px; font-weight: 600; color: #1d4ed8; background: #dbeafe; padding: 12px 16px; border-radius: 8px; line-height: 1.45; }

.insight-section { margin-bottom: 22px; }
.insight-section h3 { font-size: 13px; font-weight: 700; color: var(--ink); text-transform: uppercase; letter-spacing: 0.06em; margin: 0 0 10px; }
.insight-section p { font-size: 14px; line-height: 1.6; color: var(--ink-mid); margin: 0; }
.insight-section p.insight-industry { padding: 10px 14px; background: var(--line-soft); border-left: 3px solid var(--ink-faint); border-radius: 0 6px 6px 0; }
.insight-section p.insight-finding { padding: 12px 16px; background: #ecfdf5; border-left: 3px solid #10b981; border-radius: 0 6px 6px 0; font-weight: 500; }

.insight-evidence { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.ie-row { display: flex; justify-content: space-between; padding: 8px 12px; background: var(--line-soft); border-radius: 6px; font-size: 12px; }
.ie-row.highlight { background: #fef9c3; border: 1px solid #fcd34d; grid-column: span 2; }
.ie-label { color: var(--ink-soft); }
.ie-val { font-weight: 600; color: var(--ink); font-family: var(--mono); font-variant-numeric: tabular-nums; }

.insight-hypotheses { display: flex; flex-direction: column; gap: 14px; }
.insight-hypo { display: flex; gap: 14px; padding: 14px 16px; background: var(--line-soft); border-radius: 10px; border-left: 3px solid var(--accent); }
.ih-num { font-size: 22px; font-weight: 800; color: var(--accent); font-family: var(--mono); min-width: 26px; }
.ih-body { flex: 1; }
.ih-name { font-size: 14px; font-weight: 700; margin-bottom: 6px; color: var(--ink); }
.ih-text { font-size: 13px; color: var(--ink-mid); line-height: 1.55; margin-bottom: 8px; }
.ih-evidence { font-size: 12px; color: var(--ink-soft); padding-top: 6px; border-top: 1px solid var(--line); }
.ih-analogy { font-size: 12px; color: var(--ink-soft); margin-top: 6px; }

.insight-flip { background: linear-gradient(135deg, #ecfdf5, #d1fae5); border-left: 3px solid #10b981; padding: 14px 18px; border-radius: 0 8px 8px 0; }
.if-segment, .if-r { font-size: 13px; color: #065f46; margin-bottom: 6px; }
.insight-flip p { font-size: 13px; color: #064e3b; margin-top: 8px !important; line-height: 1.5; }

.insight-practical { padding-left: 20px; margin: 0; }
.insight-practical li { font-size: 14px; color: var(--ink-mid); line-height: 1.55; margin-bottom: 10px; }

.insight-friday { background: #0f172a; color: #fff; border-radius: 12px; padding: 20px 24px; margin: 20px 0; box-shadow: var(--shadow-md); }
.if-label { font-size: 11px; font-weight: 700; color: #fbbf24; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 8px; }
.if-quote { font-size: 16px; font-weight: 500; line-height: 1.5; color: #f1f5f9; font-style: italic; }

.insight-matters { font-size: 13px; color: var(--ink-mid); line-height: 1.55; background: #fef9c3; border-left: 3px solid #ca8a04; padding: 12px 16px; border-radius: 0 6px 6px 0; }
.insight-source { margin-top: 18px; padding-top: 12px; border-top: 1px solid var(--line-soft); font-size: 11px; color: var(--ink-faint); font-family: var(--mono); }

/* ====== Empirical Analytics tab ====== */
.analytics-wrap { max-width: 1400px; margin: 0 auto; padding: 20px 0 60px; }
.analytics-cover { padding: 16px 0 18px; border-bottom: 2px solid var(--ink); margin-bottom: 20px; }
.analytics-kicker { font-size: 11px; font-weight: 700; color: #c2410c; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 6px; }
.analytics-title { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; }
.analytics-sub { font-size: 13px; color: var(--ink-soft); margin-top: 8px; max-width: 1000px; line-height: 1.55; }
.analytics-section { margin-bottom: 32px; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 18px; box-shadow: var(--shadow-sm); }
.analytics-section h2 { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 6px; }
.analytics-subtext { font-size: 12px; color: var(--ink-soft); margin-bottom: 14px; line-height: 1.5; max-width: 900px; }
.analytics-exec { background: #fef3c7; border-left: 3px solid #ca8a04; border-radius: 0 8px 8px 0; padding: 14px 18px; margin-bottom: 20px; }
.ae-label { font-size: 11px; font-weight: 700; color: #713f12; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }
.ae-body { font-size: 12px; line-height: 1.55; color: #451a03; max-width: none; font-family: var(--mono); white-space: pre-wrap; }
.ae-body p { margin: 6px 0; font-family: inherit; white-space: normal; }

.analytics-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.analytics-table th { background: var(--bg); padding: 8px 10px; text-align: left; font-weight: 600; color: var(--ink-mid); font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; border-bottom: 1px solid var(--line); white-space: nowrap; }
.analytics-table th.num { text-align: right; }
.analytics-table td { padding: 8px 10px; border-bottom: 1px solid var(--line-soft); }
.analytics-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.analytics-table td.an-metric { font-family: var(--mono); font-size: 11px; }

.an-class { display: inline-block; padding: 3px 8px; border-radius: 4px; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; white-space: nowrap; }
.an-class.cls-strong { background: #d1fae5; color: #065f46; }
.an-class.cls-mod { background: #fef9c3; color: #92400e; }
.an-class.cls-coin { background: #dbeafe; color: #1d4ed8; }
.an-class.cls-weak { background: #fed7aa; color: #c2410c; }
.an-class.cls-noise { background: #fee2e2; color: #991b1b; }
.an-class.cls-lag { background: var(--line-soft); color: var(--ink-faint); }

.analytics-legend { font-size: 11px; color: var(--ink-soft); margin-top: 14px; padding: 10px 0; border-top: 1px solid var(--line-soft); line-height: 1.8; }

.seg-group { margin-bottom: 18px; }
.seg-group-head { font-size: 12px; font-weight: 700; color: var(--ink); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; padding-bottom: 4px; border-bottom: 1px solid var(--line); }
.seg-rows { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.seg-row { background: var(--line-soft); padding: 10px 12px; border-radius: 6px; font-size: 12px; }
.seg-key { font-weight: 600; color: var(--ink); margin-bottom: 4px; }
.seg-leaders { color: var(--ink-mid); font-family: var(--mono); font-size: 11px; }

.analytics-recs { background: var(--line-soft); padding: 16px 20px; border-radius: 8px; font-size: 13px; line-height: 1.65; color: var(--ink-mid); }
.analytics-recs p { margin: 8px 0; }
.analytics-recs ol { padding-left: 24px; }

/* ====== Research tab ====== */
.research-wrap { max-width: 1200px; margin: 0 auto; padding: 20px 0 60px; }
.research-cover { padding: 16px 0 18px; border-bottom: 2px solid var(--ink); margin-bottom: 20px; }
.research-kicker { font-size: 11px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 6px; }
.research-title { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; }
.research-sub { font-size: 13px; color: var(--ink-soft); margin-top: 8px; max-width: 900px; line-height: 1.5; }

.research-toggle { display: inline-flex; gap: 4px; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 3px; margin-bottom: 18px; }
.rsb-btn { background: none; border: 0; padding: 8px 16px; font-family: inherit; font-size: 13px; font-weight: 500; color: var(--ink-soft); cursor: pointer; border-radius: 6px; transition: all 0.15s; }
.rsb-btn:hover { color: var(--ink); }
.rsb-btn.active { background: var(--ink); color: #fff; }

.research-summary { margin-bottom: 20px; }
.research-exec { background: var(--line-soft); border-left: 3px solid var(--accent); border-radius: 0 10px 10px 0; padding: 16px 20px; }
.re-head { font-size: 11px; font-weight: 700; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }
.re-body { font-size: 13px; color: var(--ink-mid); line-height: 1.6; }

.research-drivers { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.driver-card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 18px; box-shadow: var(--shadow-sm); }
.driver-card.revenue { border-left: 3px solid #2563eb; }
.driver-card.expense { border-left: 3px solid #10b981; }
.dc-head { margin-bottom: 10px; }
.dc-title-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; }
.dc-title { font-size: 16px; font-weight: 700; color: var(--ink); }
.dc-weight { font-size: 11px; font-weight: 700; color: var(--accent); background: #ede9fe; padding: 3px 8px; border-radius: 4px; font-family: var(--mono); }
.dc-strength { font-size: 10px; font-weight: 700; padding: 3px 8px; border-radius: 4px; text-transform: uppercase; letter-spacing: 0.04em; }
.dc-strength.strong { background: #d1fae5; color: #065f46; }
.dc-strength.moderate { background: #fef9c3; color: #92400e; }
.dc-strength.weak { background: #fee2e2; color: #b91c1c; }
.dc-meta { font-size: 11px; color: var(--ink-soft); }
.dc-rationale { font-size: 13px; color: var(--ink-mid); line-height: 1.55; margin-bottom: 10px; }
.dc-benchmarks { display: flex; gap: 6px; margin-bottom: 10px; flex-wrap: wrap; }
.dc-bench { font-size: 11px; padding: 4px 8px; background: var(--line-soft); border-radius: 4px; color: var(--ink-mid); font-variant-numeric: tabular-nums; }
.dc-dollar { font-size: 13px; background: #fef9c3; border: 1px solid #fcd34d; border-radius: 6px; padding: 8px 12px; color: #78350f; margin-bottom: 10px; }
.dc-tactics { background: var(--line-soft); border-radius: 6px; padding: 10px 14px; }
.dc-tactics-head { font-size: 11px; font-weight: 700; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
.dc-tactics ol { margin: 0; padding-left: 18px; font-size: 12px; color: var(--ink-mid); line-height: 1.55; }
.dc-tactics ol li { margin-bottom: 4px; }
.dc-sources { font-size: 10px; color: var(--ink-faint); font-style: italic; margin-top: 10px; line-height: 1.4; }

/* ====== Narrative tab ====== */
.narr-wrap { max-width: 1100px; margin: 0 auto; padding: 20px 0 60px; }
.narr-picker-row { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.narr-picker-label { font-size: 11px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
#narrPicker { padding: 8px 12px; font-size: 14px; border: 1px solid var(--line); border-radius: 6px; background: #fff; min-width: 360px; }

.narr-cover { padding: 20px 0 4px; }
.narr-eyebrow { font-size: 11px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 6px; }
.narr-title { font-size: 34px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; color: var(--ink); }
.narr-meta { display: flex; gap: 10px; align-items: center; font-size: 13px; color: var(--ink-soft); margin-top: 8px; }
.narr-meta .dot { color: var(--line); }

.narr-hero-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 12px; margin: 20px 0 32px; }
.narr-bigcard { background: linear-gradient(135deg, #065f46 0%, #047857 100%); color: #fff; border-radius: 12px; padding: 22px 24px; }
.narr-bigcard-label { font-size: 10px; font-weight: 700; letter-spacing: 0.1em; opacity: 0.85; text-transform: uppercase; }
.narr-bigcard-value { font-size: 48px; font-weight: 800; letter-spacing: -0.03em; margin: 4px 0 10px; font-variant-numeric: tabular-nums; line-height: 1; }
.narr-bigcard-sub { font-size: 12px; opacity: 0.95; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.narr-bigcard-sub .type-chip { background: rgba(255,255,255,0.25); color: #fff; border: 1px solid rgba(255,255,255,0.4); }
.narr-statcard { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px; box-shadow: var(--shadow-sm); }
.narr-statcard.highlight { background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%); border-color: #34d399; }
.narr-sc-label { font-size: 10px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
.narr-sc-value { font-size: 22px; font-weight: 700; margin-top: 6px; color: var(--ink); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }

.narr-section { margin-bottom: 28px; }
.narr-section h2 { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.narr-insight { background: #fef9c3; border-left: 3px solid #ca8a04; border-radius: 0 8px 8px 0; padding: 12px 16px; margin-top: 14px; font-size: 13px; color: #713f12; line-height: 1.55; }

.narr-4view { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.n4-cell { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px; box-shadow: var(--shadow-sm); }
.n4-label { font-size: 11px; font-weight: 600; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; }
.n4-stage { margin-bottom: 6px; }
.n4-score { font-size: 11px; color: var(--ink-faint); margin-bottom: 8px; }
.n4-bar { height: 5px; background: var(--line-soft); border-radius: 3px; overflow: hidden; }
.n4-barfill { height: 100%; border-radius: 3px; }
.n4-barfill.s1 { background: var(--s1); }
.n4-barfill.s2 { background: var(--s2); }
.n4-barfill.s3 { background: var(--s3); }
.n4-barfill.s4 { background: var(--s4); }
.n4-barfill.s5 { background: var(--s5); }

.narr-trend { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px; box-shadow: var(--shadow-sm); }
.narr-trend-labels { display: grid; grid-template-columns: repeat(13, 1fr); gap: 4px; margin-top: 8px; font-size: 10px; text-align: center; }

.narr-expense-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.ne-cell { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px; box-shadow: var(--shadow-sm); }
.ne-cell.highlight { background: linear-gradient(135deg, #ecfdf5, #d1fae5); border-color: #34d399; }
.ne-label { font-size: 11px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.ne-value { font-size: 22px; font-weight: 700; margin: 4px 0; font-variant-numeric: tabular-nums; }
.ne-bench { font-size: 11px; color: var(--ink-faint); }

.narr-levers { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.narr-lever { border-radius: 12px; padding: 18px; box-shadow: var(--shadow-sm); }
.narr-lever.revenue { background: linear-gradient(135deg, #dbeafe, #bfdbfe); border: 1px solid #60a5fa; }
.narr-lever.expense { background: linear-gradient(135deg, #d1fae5, #a7f3d0); border: 1px solid #34d399; }
.narr-lever-head { display: flex; gap: 8px; align-items: center; font-size: 11px; }
.narr-lever-title { font-size: 17px; font-weight: 700; margin: 6px 0 8px; }
.narr-lever-impact { font-size: 24px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 8px; font-variant-numeric: tabular-nums; }
.narr-lever.revenue .narr-lever-impact { color: #1d4ed8; }
.narr-lever.expense .narr-lever-impact { color: #065f46; }
.narr-lever-rat { font-size: 12px; line-height: 1.5; color: var(--ink-mid); margin-bottom: 10px; }
.narr-lever-math summary { cursor: pointer; font-size: 12px; font-weight: 600; color: var(--ink-mid); padding: 6px 0; }
.narr-lever-math .math-table { margin-top: 8px; background: rgba(255,255,255,0.6); padding: 8px; border-radius: 6px; }

.narr-outcome { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 24px; box-shadow: var(--shadow-sm); }
.narr-outcome-row { display: flex; align-items: center; gap: 20px; justify-content: center; }
.narr-outcome-cell { text-align: center; padding: 16px 22px; border-radius: 10px; background: var(--line-soft); min-width: 220px; }
.narr-outcome-cell.highlight { background: linear-gradient(135deg, #ecfdf5, #d1fae5); border: 2px solid #34d399; }
.oc-label { font-size: 11px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.oc-value { font-size: 30px; font-weight: 800; letter-spacing: -0.02em; margin: 4px 0; font-variant-numeric: tabular-nums; color: var(--ink); }
.oc-sub { font-size: 12px; color: var(--ink-mid); }
.narr-outcome-cell.highlight .oc-sub strong { color: #065f46; }
.oc-arrow { font-size: 32px; color: var(--ink-faint); font-weight: 300; }

.narr-footer { text-align: center; font-size: 11px; color: var(--ink-faint); margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--line); }

/* ====== Executive Brief ====== */
.brief-wrap { max-width: 1200px; margin: 0 auto; padding: 24px 0 60px; }
.brief-cover { padding: 24px 0 18px; border-bottom: 2px solid var(--ink); margin-bottom: 28px; }
.brief-kicker { font-size: 11px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 6px; }
.brief-title { font-size: 32px; font-weight: 700; color: var(--ink); letter-spacing: -0.02em; line-height: 1.15; max-width: 900px; }
.brief-title span { color: #065f46; }
.brief-meta { display: flex; gap: 10px; align-items: center; font-size: 13px; color: var(--ink-soft); margin-top: 12px; }
.brief-meta .dot { color: var(--line); }

.brief-hero { display: grid; grid-template-columns: 2fr 3fr; gap: 16px; margin-bottom: 32px; }
.hero-big { background: linear-gradient(135deg, #065f46 0%, #047857 100%); color: #fff; border-radius: 14px; padding: 28px; }
.hero-label { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; opacity: 0.8; }
.hero-value { font-size: 52px; font-weight: 800; letter-spacing: -0.03em; line-height: 1; margin: 8px 0 6px; font-variant-numeric: tabular-nums; }
.hero-multiplier { font-size: 14px; font-weight: 500; opacity: 0.95; }
.hero-secondary { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.hero-cell { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 18px 16px; box-shadow: var(--shadow-sm); }
.hc-label { font-size: 11px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.hc-value { font-size: 26px; font-weight: 700; color: var(--ink); margin-top: 6px; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }

.brief-section { margin-bottom: 28px; }
.brief-section h2 { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 12px; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
.brief-method { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.bm-col { background: var(--line-soft); border-radius: 10px; padding: 16px 18px; }
.bm-col h3 { margin: 0 0 8px; font-size: 13px; font-weight: 600; color: var(--accent); }
.bm-col p { margin: 0; font-size: 13px; color: var(--ink-mid); line-height: 1.5; }

.lever-mix { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 6px 16px; }
.lm-row { display: grid; grid-template-columns: 2fr 80px 90px 1fr 100px 40px; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line-soft); font-size: 13px; }
.lm-row:last-child { border-bottom: 0; }
.lm-name { font-weight: 500; color: var(--ink); }
.lm-type { }
.lm-count { font-size: 11px; color: var(--ink-soft); text-align: right; }
.lm-bar { height: 6px; background: var(--line-soft); border-radius: 3px; overflow: hidden; }
.lm-barfill { height: 100%; border-radius: 3px; }
.lm-barfill.revenue { background: #2563eb; }
.lm-barfill.expense { background: #10b981; }
.lm-dollars { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; color: var(--ink); }
.lm-pct { text-align: right; font-size: 11px; color: var(--ink-faint); font-variant-numeric: tabular-nums; }

.brief-table { width: 100%; border-collapse: collapse; font-size: 13px; background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; box-shadow: var(--shadow-sm); }
.brief-table th { background: var(--bg); padding: 10px 12px; text-align: left; font-weight: 600; font-size: 11px; color: var(--ink-mid); text-transform: uppercase; letter-spacing: 0.04em; border-bottom: 1px solid var(--line); }
.brief-table th.num { text-align: right; }
.brief-table td { padding: 10px 12px; border-bottom: 1px solid var(--line-soft); }
.brief-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.brief-table td.impact { color: #065f46; font-weight: 700; font-size: 14px; }
.brief-table tbody tr:last-child td { border-bottom: 0; }
.brief-rank { font-weight: 800; color: var(--ink-faint); font-size: 14px; font-variant-numeric: tabular-nums; text-align: center; width: 32px; }

.coverage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.cov-cell { background: var(--line-soft); border-radius: 8px; padding: 12px 14px; }
.cov-label { font-size: 11px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.cov-value { font-size: 22px; font-weight: 700; color: var(--ink); margin-top: 4px; font-variant-numeric: tabular-nums; }
.cov-note { margin-top: 12px; font-size: 12px; color: var(--ink-soft); font-style: italic; }

.brief-note { font-size: 12px; color: var(--ink-soft); font-style: italic; margin: -6px 0 12px; }
.brief-signal { font-size: 12px; color: #92400e; font-weight: 500; }

.brief-next { padding-left: 20px; margin: 0; }
.brief-next li { font-size: 13px; color: var(--ink-mid); margin-bottom: 8px; line-height: 1.5; }
.brief-next strong { color: var(--ink); }

.brief-footer { text-align: center; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 11px; color: var(--ink-faint); }

/* Print styles — enable Ctrl+P to produce a clean handout */
@media print {
  .app-header, .tab-bar { display: none; }
  .app-main { padding: 0; max-width: none; }
  .brief-hero { page-break-inside: avoid; }
  .brief-table { box-shadow: none; }
  .brief-cover { page-break-after: auto; }
  body { background: #fff; }
}

/* ====== Correlation matrix ====== */
.cm-summary { font-size: 12px; color: var(--ink-soft); margin-bottom: 10px; }
.cm-table { width: 100%; border-collapse: collapse; font-size: 12px; margin: 10px 0; }
.cm-table th { text-align: left; padding: 6px 8px; background: var(--bg); color: var(--ink-mid); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; border-bottom: 1px solid var(--line); }
.cm-table td { padding: 6px 8px; border-bottom: 1px solid var(--line-soft); }
.cm-metric { font-family: var(--mono); color: var(--ink-mid); font-size: 11px; }
.cm-cell { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.cm-cell.cm-strong { background: #d1fae5; color: #065f46; font-weight: 700; }
.cm-cell.cm-mod    { background: #fef9c3; color: #713f12; font-weight: 600; }
.cm-cell.cm-weak   { background: #fef2f2; color: #991b1b; }
.cm-cell.cm-noise  { background: var(--line-soft); color: var(--ink-faint); }
.cm-cell.na        { background: transparent; color: var(--ink-faint); }
.cm-n              { text-align: right; color: var(--ink-soft); font-family: var(--mono); }
.verdict { display: inline-block; padding: 2px 7px; border-radius: 4px; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }
.verdict.keep { background: #d1fae5; color: #065f46; }
.verdict.ctx  { background: #fef9c3; color: #92400e; }
.verdict.drop { background: #fee2e2; color: #991b1b; }

/* ====== Method pre block ====== */
.math-pre { background: var(--bg); padding: 10px 14px; border-radius: 6px; font-family: var(--mono); font-size: 11px; white-space: pre-wrap; border-left: 3px solid var(--accent); color: var(--ink-mid); margin: 8px 0; }

/* small screens: stack panel below chart */
@media (max-width: 1100px) {
  .workspace { grid-template-columns: 1fr; }
  .detail-panel { max-height: none; }
  .kpi-cards { grid-template-columns: repeat(5, 1fr); }
}