/* ===========================================================================
   page.css—monochrome attribution reference.
   One dark plane. A hairline separates the sidebar from the body. Box spacing
   is on an 8px grid (4s and 8s). Radii come from one tight scale.
   =========================================================================== */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --s1: 4px;  --s2: 8px;  --s3: 12px; --s4: 16px; --s5: 24px;
  --s6: 32px; --s7: 40px; --s8: 48px; --s9: 56px; --s10: 64px;

  --measure: 44rem;
  --gutter: clamp(16px, 4vw, 56px);
  --sidebar-w: 232px;
  --topbar-h: 56px;
  --bar-fill: var(--color-10);
}

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  /* pretty by default (kills last-line orphans on paragraphs, list items,
     captions, table cells); headings override with balance below. Inherited,
     so it reaches child spans without per-element rules. */
  text-wrap: pretty;
}

.skip-link {
  position: fixed; left: var(--s3); top: -48px; z-index: 200;
  background: var(--bg-elevated); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: var(--s2) var(--s4); transition: top var(--transition);
}
.skip-link:focus { top: var(--s3); }

/* ── Header ─────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  height: var(--topbar-h);
  display: flex; align-items: center;
  padding: 0 var(--gutter) 0 var(--s4);
  background: var(--bg);
  border-bottom: 1px solid var(--border-light);
}
.logo {
  display: inline-flex; width: 28px; height: 28px; padding: 0; border: none;
  border-radius: var(--radius-pill); cursor: pointer;
  background:
    radial-gradient(circle at 32% 28%, oklch(0.32 0 0), transparent 55%),
    radial-gradient(circle at 70% 74%, oklch(0.08 0 0), transparent 60%),
    oklch(0.17 0 0);
  transition: filter var(--transition);
}
.logo:hover { filter: brightness(1.25); }
.logo:focus-visible { outline: 1.5px solid var(--text-tertiary); outline-offset: 2px; }

/* Theme toggle: transparent, sits at the sidebar foot. */
.theme-toggle {
  display: inline-flex; gap: var(--s1); padding: var(--s1);
  border-radius: var(--radius-pill); background: transparent;
}
.theme-toggle button {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 28px; border: none; background: none;
  color: var(--text-tertiary); cursor: pointer; border-radius: var(--radius-md);
  transition: color var(--transition), background var(--transition);
}
.theme-toggle button:hover { color: var(--text); background: var(--bg-hover); }
.theme-toggle button.is-active { color: var(--text); background: var(--bg-active); }
.theme-toggle button:focus-visible { outline: 1.5px solid var(--text-tertiary); outline-offset: 2px; }

/* ── Layout ─────────────────────────────────────────────────── */
.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  align-items: start;
}

/* ── Sidebar (app nav) with the dividing line (no ball) ─────── */
.sidebar {
  position: sticky; top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  background: var(--bg);
  padding: var(--s4) var(--s3);
  overflow-y: auto;
  border-right: 1px solid var(--border-light);
  display: flex; flex-direction: column;
}
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav-item {
  display: flex; align-items: center; gap: var(--s2);
  padding: var(--s2) var(--s3); border-radius: var(--radius-md);
  font-size: 14px; font-weight: 500; color: var(--text-tertiary);
  text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: color var(--transition), background var(--transition);
}
.nav-item:hover { color: var(--text); background: var(--bg-hover); }
.nav-item.is-active { color: var(--text); background: var(--bg-active); }
.nav-item:focus-visible { outline: 1.5px solid var(--text-tertiary); outline-offset: -2px; }
.nav-item--soon { color: var(--text-disabled); cursor: default; }
.nav-item--soon:hover { color: var(--text-disabled); background: none; }
.soon-chip {
  margin-left: auto; flex-shrink: 0;
  font-size: 10px; font-weight: 600; letter-spacing: 0;
  color: var(--accent-blue-text); background: var(--btn-blue);
  border: 1px solid var(--btn-blue-border);
  padding: 2px var(--s2); border-radius: var(--radius-sm); white-space: nowrap;
}
/* "New" — the skill is live. Green (measured) reads as available, vs the blue
   "coming soon" it replaces. */
.new-chip {
  margin-left: auto; flex-shrink: 0;
  font-size: 10px; font-weight: 600; letter-spacing: 0;
  color: var(--grade-measured-text); background: var(--grade-measured-bg);
  border: 1px solid var(--grade-border);
  padding: 2px var(--s2); border-radius: var(--radius-sm); white-space: nowrap;
}
.nav-ico {
  width: 16px; height: 16px; flex-shrink: 0;
  fill: none; stroke: currentColor; stroke-width: 1.7;
  stroke-linecap: round; stroke-linejoin: round;
}
.nav-sep { height: 1px; background: var(--border-light); margin: var(--s2) var(--s3); }
.sidebar-foot { margin-top: auto; padding-top: var(--s4); }

/* ── Main ───────────────────────────────────────────────────── */
.main { min-width: 0; padding: 0 var(--gutter); }
.column { max-width: var(--measure); margin: 0 auto; padding: var(--s4) 0 var(--s10); }
/* Sections flow on whitespace + clear headings, oklch.fyi-style—no rule between
   every one. A hairline is opt-in (.section--rule), reserved for the shifts
   between movements (self-report, brand, conclusion, the dataset appendix), so a
   rule always signals a real change of subject rather than mere spacing.
   Below the rule gets +8px over above it: the line-height under the previous
   paragraph inflates the top gap, so unequal padding reads optically even. */
.section { padding: var(--s5) 0; }
/* One rule on the whole page: under the hero, closing the title block off from
   the article. Everything below is structured by headings alone—h2 for the major
   beats, h3 for the sub-levers—so the body reads on hierarchy, not on rules. */
.intro {
  border-top: 1px solid var(--border-light);
  padding: var(--s6) 0 var(--s5);
}
/* Opt-in divider, reused only for the dataset appendix at the very bottom—it
   sits below the conclusion + sign-off, so a rule marks it as reference matter. */
.section--rule {
  border-top: 1px solid var(--border-light);
  padding-top: var(--s6);
}
/* modules sit flush to the section padding at a section's edges (no doubled gap) */
.section > .module:first-child { margin-top: 0; }
.section > .module:last-child { margin-bottom: 0; }

/* ── Prose ──────────────────────────────────────────────────── */
p { color: var(--text-secondary); line-height: 1.5; }
.section { scroll-margin-top: calc(var(--topbar-h) + var(--s4)); }
.section > p { margin-bottom: var(--s3); font-size: 15px; }
.section > p:last-child { margin-bottom: 0; }
strong { color: var(--text); font-weight: 600; }
a { color: var(--text); text-decoration: underline; text-underline-offset: 2px; text-decoration-color: var(--text-tertiary); }
a:hover { text-decoration-color: var(--text); }

h2 { font-size: 17px; line-height: 1.35; letter-spacing: -0.01em; font-weight: 700; color: var(--text); margin-bottom: var(--s3); text-wrap: balance; }
/* h3: a subordinate lever inside an h2 movement. Same weight, smaller, quieter
   colour, with clear air above it so the step down from h2 reads. */
h3 { font-size: 15px; line-height: 1.4; font-weight: 600; color: var(--text-secondary); margin: var(--s6) 0 var(--s2); text-wrap: balance; }

/* intro (first-person) — carries a top divider like the sections */
.intro p { font-size: 16px; line-height: 1.55; color: var(--text-secondary); margin-bottom: var(--s4); }
.intro p:last-child { margin-bottom: 0; }
.intro strong { color: var(--text); font-variant-numeric: tabular-nums; }

.deflist { margin: 0 0 var(--s3); }
.deflist dt { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: var(--s1); }
.deflist dd { font-size: 15px; line-height: 1.5; color: var(--text-secondary); margin-bottom: var(--s5); }
.deflist dd:last-child { margin-bottom: 0; }

.rulelist { list-style: none; margin: 0 0 var(--s3); display: flex; flex-direction: column; gap: var(--s2); }
.rulelist li { font-size: 15px; line-height: 1.45; color: var(--text-secondary); padding-left: var(--s4); position: relative; }
.rulelist li::before { content: ""; position: absolute; left: 0; top: 0.6em; width: 5px; height: 5px; border-radius: 50%; background: var(--text-tertiary); }

.grade-key { list-style: none; margin: 0 0 var(--s3); display: flex; flex-direction: column; gap: var(--s2); }
.grade-key li { font-size: 15px; line-height: 1.5; color: var(--text-secondary); }

/* inline worked figures in prose (filled by app.js) */
[data-report] { color: var(--text); font-weight: var(--font-semibold); font-variant-numeric: tabular-nums; }

/* rules table: a subtle grey card, no outer top/bottom rules—just faint row
   hairlines inside for legibility */
.rules-table {
  width: 100%;
  border-collapse: separate; border-spacing: 0;
  margin: var(--s5) 0;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.rules-table th { text-align: left; font-size: 12px; font-weight: 600; color: var(--text-tertiary); padding: var(--s3) var(--s4); border-bottom: 1px solid var(--border-light); }
.rules-table td { font-size: 14px; line-height: 1.45; padding: var(--s3) var(--s4); border-bottom: 1px solid var(--border-light); vertical-align: top; }
.rules-table tr:last-child td { border-bottom: none; }
.rules-table td:first-child { color: var(--text); font-weight: 600; white-space: nowrap; }
.rules-table td:last-child { color: var(--text-secondary); }

/* ── Hero (centred, roomy) ──────────────────────────────────── */
.hero { text-align: center; padding: var(--s10) 0 var(--s8); }
.badge {
  display: inline-flex; align-items: center;
  font-size: 13px; font-weight: 500; color: var(--text-secondary);
  padding: var(--s1) var(--s3); border: 1px solid var(--border);
  border-radius: var(--radius-pill); margin-bottom: var(--s5);
}
.hero h1 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.05; letter-spacing: -0.02em; font-weight: 600;
  color: var(--text); margin-bottom: var(--s5); text-wrap: balance;
}
.lede { font-size: 18px; line-height: 1.4; color: var(--text-secondary); max-width: 34rem; margin: 0 auto; text-wrap: balance; }
.byline-avatar {
  display: block; width: 36px; height: 36px; border-radius: 50%; margin: 0 auto 40px;
  background: #fff url("../img/aidan.png?v=1") no-repeat center 42%;
  background-size: 132%;
  border: 1px solid var(--border);
}

/* ── Module shell ───────────────────────────────────────────── */
.module {
  margin: var(--s7) 0;
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  padding: var(--s5);
}
#explorer { scroll-margin-top: calc(var(--topbar-h) + var(--s4)); }
.module-fallback { font-size: 14px; color: var(--text-tertiary); }
.module-head { margin-bottom: var(--s4); }
.module-title { font-size: 15px; font-weight: 700; color: var(--text); }
.module-sub { font-size: 13px; color: var(--text-tertiary); margin-top: var(--s1); line-height: 1.45; }

/* ── Controls (compact) ─────────────────────────────────────── */
.controls { display: flex; flex-direction: column; gap: var(--s2); margin-bottom: var(--s4); }
.ctrl-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s2); }
.ctrl-label { font-size: 12px; font-weight: 500; color: var(--text-tertiary); width: 56px; flex-shrink: 0; }

.segmented {
  display: inline-flex; flex-wrap: wrap; gap: 2px; padding: 2px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.seg-btn {
  position: relative;
  border: none; background: none; cursor: pointer;
  font: 500 12.5px var(--font); color: var(--text-tertiary);
  padding: 7px 12px; border-radius: var(--radius-sm);
  white-space: nowrap; line-height: 1.4;
  transition: color var(--transition), background var(--transition);
}
.seg-btn:hover { color: var(--text); }
.seg-btn.is-active { color: var(--text); background: var(--pill-active-bg); }
.seg-btn:focus-visible { outline: 1.5px solid var(--text-tertiary); outline-offset: 2px; }

/* ── Tooltips (minimal) ─────────────────────────────────────── */
[data-tip] { position: relative; }
[data-tip]::after {
  content: attr(data-tip);
  position: absolute; bottom: calc(100% + 6px); left: 50%;
  transform: translateX(-50%) translateY(3px);
  background: var(--color-3); color: oklch(0.95 0 0);
  font: 400 11.5px/1.4 var(--font); text-align: left;
  padding: 6px 8px; border-radius: var(--radius-md);
  width: max-content; max-width: 200px; white-space: normal;
  border: 1px solid var(--border); box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none; z-index: 40;
  transition: opacity 120ms ease, transform 120ms ease;
}
[data-tip]:hover::after, [data-tip]:focus-visible::after { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Channel table (Channel / bar / customers / revenue) ────── */
.chan-list { display: flex; flex-direction: column; gap: 1px; margin-top: var(--s4); }
.chan-head, .chan-row {
  display: grid; grid-template-columns: 116px 1fr 64px 64px;
  gap: var(--s3); align-items: center;
}
.chan-head {
  font-size: 11px; font-weight: 500; letter-spacing: 0;
  color: var(--text-tertiary); padding: 0 var(--s2) var(--s2);
  border-bottom: 1px solid var(--border-light); margin-bottom: var(--s1);
}
.chan-head .r { text-align: right; }
.chan-row { padding: 6px var(--s2); border-radius: var(--radius-md); }
.chan-row.is-focus { background: var(--accent-surface); }
.chan-name { font-size: 13px; color: var(--text); display: flex; align-items: center; gap: 6px; min-width: 0; }
.chan-name .nm { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chan-name .focus-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--text); flex-shrink: 0; }
.chan-track { height: 6px; border-radius: var(--radius-pill); background: var(--bg-active); overflow: hidden; }
.chan-fill { height: 100%; border-radius: var(--radius-pill); background: var(--bar-fill); transition: width 460ms cubic-bezier(0.22,1,0.36,1); }
.chan-row.is-focus .chan-fill { background: var(--text); }
.chan-cust, .chan-rev { text-align: right; font-variant-numeric: tabular-nums; }
.chan-cust { font-size: 13.5px; font-weight: 600; color: var(--text); }
.chan-rev { font-size: 13px; color: var(--text-tertiary); }

/* ── CAC panel (compact) ────────────────────────────────────── */
.cac-panel { margin-top: var(--s5); margin-bottom: var(--s5); padding: var(--s4); border-radius: var(--radius-lg); background: var(--bg); }
.cac-label { font-size: 12px; color: var(--text-tertiary); letter-spacing: 0; margin-bottom: var(--s1); }
.cac-num { font-size: 30px; font-weight: 600; letter-spacing: -0.02em; color: var(--text); font-variant-numeric: tabular-nums; line-height: 1; }
.cac-num .cur { font-size: 0.5em; color: var(--text-tertiary); vertical-align: 0.3em; margin-right: 1px; }
.cac-formula { font-size: 12px; color: var(--text-tertiary); margin-top: 6px; font-variant-numeric: tabular-nums; }
.cac-formula strong { color: var(--text-secondary); }

/* two half-width stat cards under the CAC figure */
.cac-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s2); margin-top: var(--s4); }
.cac-stat { background: var(--bg-elevated); border-radius: var(--radius-md); padding: var(--s3); }
.cs-label { font-size: 11px; color: var(--text-tertiary); }
.cs-val { font-size: 18px; font-weight: 600; color: var(--text); font-variant-numeric: tabular-nums; margin-top: 2px; }

/* slider-style range indicator — draggable, snaps to each achievable figure */
.range { margin-top: var(--s4); }
.range-track { position: relative; height: 4px; border-radius: var(--radius-pill); background: var(--bg-active); cursor: pointer; touch-action: none; }
/* taller invisible hit area so the 4px track is easy to grab */
.range-track::before { content: ""; position: absolute; left: 0; right: 0; top: -12px; bottom: -12px; }
.range-track:focus-visible { outline: none; }
.range-fill { position: absolute; left: 0; top: 0; height: 100%; border-radius: var(--radius-pill); background: var(--color-8); transition: width 460ms cubic-bezier(0.22,1,0.36,1); }
.range-marker { position: absolute; top: 50%; width: 14px; height: 14px; border-radius: 50%; background: var(--text); transform: translate(-50%, -50%); transition: left 460ms cubic-bezier(0.22,1,0.36,1); box-shadow: 0 1px 3px oklch(0 0 0 / 0.4), 0 0 0 4px var(--bg); cursor: grab; }
.range-track:hover .range-marker { transform: translate(-50%, -50%) scale(1.12); }
.range-track:focus-visible .range-marker { box-shadow: 0 1px 3px oklch(0 0 0 / 0.4), 0 0 0 4px var(--bg), 0 0 0 6px var(--focus-ring); }
.range-track.is-dragging { cursor: grabbing; }
.range-track.is-dragging .range-marker { cursor: grabbing; transition: left 130ms ease; }
.range-track.is-dragging .range-fill { transition: width 130ms ease; }
.range-ticks { display: flex; justify-content: space-between; margin-top: var(--s2); font-size: 11px; color: var(--text-tertiary); font-variant-numeric: tabular-nums; }
.range-note { margin-top: var(--s3); font-size: 12px; line-height: 1.5; color: var(--text-secondary); }
.range-note strong { color: var(--text); font-variant-numeric: tabular-nums; }

/* ── Light-theme explorer tuning ─────────────────────────────
   Several explorer fills/surfaces used the fixed dark neutral ramp
   (--color-*), which doesn't flip between themes — so in light they came
   through pale (channel bars) or near-invisible (the recessed CAC inset sat
   at 0.988 inside a 1.0 module). Re-tune only the handful that need it;
   dark is untouched. */
:root[data-theme="light"] {
  --bar-fill: oklch(0.60 0 0);              /* channel bars: clear mid-grey on white */
}
:root[data-theme="light"] .module { border: 1px solid var(--border-light); }
:root[data-theme="light"] .cac-panel { background: oklch(0.963 0 0); }
:root[data-theme="light"] .range-fill { background: oklch(0.55 0 0); }

/* ── Diagram ────────────────────────────────────────────────── */
.diagram { margin: var(--s7) 0; }
.diagram-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s3); }
.diagram-col { border-radius: var(--radius-lg); background: var(--bg-elevated); padding: var(--s4); }
.diagram-col.miss { background: var(--bg); }
.diagram-col h4 { font-size: 12px; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.diagram-col .dc-sub { font-size: 12px; color: var(--text-tertiary); margin-bottom: var(--s3); }
.diagram-items { display: flex; flex-direction: column; gap: var(--s1); }
.diagram-item { display: flex; align-items: center; gap: var(--s2); font-size: 13px; color: var(--text-secondary); }
.diagram-col.miss .diagram-item { color: var(--text-tertiary); }
.di-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--text); flex-shrink: 0; }
.diagram-col.miss .di-dot { background: var(--text-disabled); }
.diagram-cap { font-size: 12px; line-height: 1.5; color: var(--text-tertiary); margin-top: var(--s3); }

/* ── Self-report (no right-side chips) ──────────────────────── */
/* proportion bar: the 70 deals split four ways, monochrome. The active bucket
   lights to full text colour; hovering a filter previews its segment. */
.recon-bar { display: flex; gap: 2px; height: 8px; margin-bottom: var(--s3); }
.recon-bar-seg {
  min-width: 3px; border-radius: 2px;
  background: color-mix(in oklch, var(--text) 22%, transparent);
  transition: background var(--transition);
}
.recon-bar-seg.is-hover { background: color-mix(in oklch, var(--text) 45%, transparent); }
.recon-bar-seg.is-active { background: var(--text); }

/* segmented filter = the legend: a count + short label per bucket */
.recon-seg { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s2); margin-bottom: var(--s4); }
.recon-seg-btn {
  display: flex; flex-direction: column; gap: 2px; align-items: flex-start;
  padding: var(--s2) var(--s3); text-align: left; cursor: pointer;
  border: 1px solid var(--border-light); border-radius: var(--radius-md);
  background: var(--bg);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.recon-seg-btn:hover { border-color: var(--border); }
.recon-seg-btn.is-active { background: var(--pill-active-bg); border-color: transparent; }
.recon-seg-btn:active { transform: scale(0.96); }
.recon-seg-btn:focus-visible { outline: 1.5px solid var(--text-tertiary); outline-offset: 2px; }
.rsg-n { font-size: 18px; font-weight: 600; color: var(--text); font-variant-numeric: tabular-nums; line-height: 1.1; }
.rsg-l { font-size: 12px; color: var(--text-tertiary); }
.recon-seg-btn.is-active .rsg-l { color: var(--text-secondary); }

.recon-explain { font-size: 13px; line-height: 1.5; color: var(--text-secondary); margin-bottom: var(--s3); text-wrap: pretty; }

/* example rows: outlined quotes, tight; capped list, no inner scroll */
.recon-list { display: flex; flex-direction: column; gap: var(--s2); }
.recon-row { padding: var(--s3); border-radius: var(--radius-md); background: transparent; border: 1px solid var(--border-light); }
.rr-said { font-size: 14px; font-style: italic; color: var(--text); }
.rr-said .blank { color: var(--text-tertiary); }
.rr-tracked { font-size: 11.5px; color: var(--text-tertiary); margin-top: var(--s2); display: flex; flex-wrap: wrap; gap: var(--s1); align-items: center; }
.rr-lead { color: var(--text-tertiary); margin-right: 2px; }
.rr-chip { padding: 1px 7px; border-radius: var(--radius-sm); background: var(--tag-bg); color: var(--tag-text); font-size: 11px; font-weight: 500; }
.rr-chip.match { background: var(--accent-surface); color: var(--text); }
.rr-note { font-size: 11.5px; line-height: 1.4; color: var(--text-tertiary); margin-top: var(--s2); }
.recon-more { font-size: 12px; color: var(--text-tertiary); padding-top: var(--s1); }

/* ── Evidence ledger + statement ────────────────────────────── */
.ledger-block { margin-top: var(--s5); }
.ledger-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--s2); margin-bottom: var(--s2); }
.lh-title { font-size: 12px; font-weight: 600; color: var(--text-tertiary); }
.lh-tally { font-size: 11.5px; color: var(--text-tertiary); font-variant-numeric: tabular-nums; }

.ledger { display: flex; flex-direction: column; }
.ledger-row { display: grid; grid-template-columns: 1fr 84px; gap: var(--s3); align-items: start; padding: var(--s3) var(--s1); border-bottom: 1px solid var(--border-light); }
.ledger-row:last-child { border-bottom: none; }
.lr-input { font-size: 13px; font-weight: 500; color: var(--text); }
.lr-why { font-size: 12px; line-height: 1.45; color: var(--text-tertiary); margin-top: 2px; }
.lr-note { font-size: 11.5px; line-height: 1.4; color: var(--text-disabled); margin-top: var(--s2); font-style: italic; }

/* upgrade toggle: "flag the evidence you have" */
.lr-have {
  margin-top: var(--s2); cursor: pointer;
  display: inline-flex; align-items: center; gap: 5px;
  font: 500 11.5px var(--font); color: var(--text-tertiary);
  padding: 3px var(--s2); border-radius: var(--radius-sm);
  border: 1px dashed var(--border); background: none;
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}
.lr-have .lh-plus { font-size: 13px; line-height: 1; }
.lr-have:hover { color: var(--text); border-color: var(--text-tertiary); }
.lr-have.is-on {
  color: var(--grade-measured-text); background: var(--grade-measured-bg);
  border-style: solid; border-color: var(--grade-border);
}
.lr-have:focus-visible { outline: 1.5px solid var(--text-tertiary); outline-offset: 2px; }
.lr-then { font-size: 11.5px; line-height: 1.45; color: var(--grade-measured-text); margin-top: var(--s2); max-height: 0; opacity: 0; overflow: hidden; transition: max-height var(--transition), opacity var(--transition), margin var(--transition); }
.ledger-row.is-upgraded .lr-then { max-height: 60px; opacity: 1; }
.grade-chip, .lr-grade {
  justify-self: end; display: inline-flex; align-items: center;
  font-size: 10px; font-weight: 600; letter-spacing: 0;
  padding: var(--s1) var(--s2); border-radius: var(--radius-sm); white-space: nowrap;
}
.grade-chip { margin-right: var(--s2); }
.measured { background: var(--grade-measured-bg); color: var(--grade-measured-text); border: 1px solid var(--grade-border); }
.modelled { background: var(--grade-modelled-bg); color: var(--grade-modelled-text); border: 1px solid var(--grade-border); }
.assumed { background: var(--grade-assumed-bg); color: var(--grade-assumed-text); border: 1px solid var(--grade-border); }

.stmt-controls { display: flex; flex-direction: column; gap: var(--s2); margin-bottom: var(--s4); }
.stmt-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s2); }
.stmt-label { font-size: 12px; color: var(--text-tertiary); width: 52px; flex-shrink: 0; }

.statement { padding: var(--s4); border-radius: var(--radius-lg); background: var(--bg); }
.statement p { font-size: 15px; line-height: 1.6; color: var(--text-secondary); text-wrap: pretty; }
.statement .fig { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }

/* ── Commit-and-bound band (payoff module) ──────────────────── */
/* The reported number sits at the top of a band; each unflagged input keeps the
   floor low. Flagging one lifts the floor toward the point—the interval closes. */
.band { margin-top: var(--s4); }
.band-track { position: relative; height: 6px; border-radius: var(--radius-pill); background: var(--bg-active); }
.band-span { position: absolute; top: 0; height: 100%; min-width: 2px; border-radius: var(--radius-pill); background: var(--color-8); transition: left 460ms cubic-bezier(0.22,1,0.36,1), width 460ms cubic-bezier(0.22,1,0.36,1); }
.band-point { position: absolute; top: 50%; width: 12px; height: 12px; border-radius: 50%; background: var(--text); transform: translate(-50%, -50%); box-shadow: 0 1px 3px oklch(0 0 0 / 0.4), 0 0 0 4px var(--bg); transition: left 460ms cubic-bezier(0.22,1,0.36,1); }
.band-ticks { display: flex; justify-content: space-between; margin-top: var(--s2); font-size: 11px; color: var(--text-tertiary); font-variant-numeric: tabular-nums; }
.band-ticks span:nth-child(2) { color: var(--text-secondary); }

.lr-have:active { transform: scale(0.96); }

/* measured share of the reported cost — rises as agency/staff turn measured,
   while the band above stays put (the honest point: spread isn't measurement) */
.cost-grade { margin: var(--s3) 0 var(--s4); }
.cost-grade-bar { height: 5px; border-radius: var(--radius-pill); background: var(--bg-active); overflow: hidden; }
.cost-grade-bar span { display: block; height: 100%; border-radius: var(--radius-pill); background: var(--grade-measured-text); transition: width 460ms cubic-bezier(0.22,1,0.36,1); }
.cost-grade-note { font-size: 11.5px; line-height: 1.45; color: var(--text-tertiary); margin-top: var(--s2); }
.statement-foot { margin-top: var(--s3); padding-top: var(--s3); border-top: 1px solid var(--border-light); font-size: 12px; line-height: 1.5; color: var(--text-tertiary); }
.statement-foot strong { color: var(--text-secondary); }

.colophon { font-size: 13px; color: var(--text-tertiary); margin-top: var(--s5); }
.signoff { margin-top: var(--s5); font-size: 15px; line-height: 1.55; color: var(--text-secondary); }
.signoff a { font-weight: 600; }

/* Range bar — a CAC span with the defensible figure marked. Dot + pick position
   are set inline (left: X%) per instance. */
.rangebar { margin: var(--s7) 0 var(--s5); }
.rangebar .track { position: relative; height: 6px; border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-6), var(--color-11)); }
.rangebar .dot { position: absolute; top: 50%; left: 50%; width: 13px; height: 13px;
  border-radius: 50%; background: var(--text); border: 3px solid var(--bg);
  transform: translate(-50%, -50%); }
.rangebar .pick { position: absolute; bottom: calc(100% + 10px); transform: translateX(-50%);
  font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 12.5px;
  color: var(--text); white-space: nowrap; }
.rangebar .pick::after { content: ""; position: absolute; top: calc(100% + 2px); left: 50%;
  transform: translateX(-50%); width: 1px; height: 7px; background: var(--text-tertiary); }
.rangebar .ends { display: flex; justify-content: space-between; margin-top: var(--s2);
  font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 12.5px; color: var(--text-tertiary); }
.rangebar .ends b { display: block; color: var(--text-secondary); font-weight: 500; }

/* ── Dataset download ───────────────────────────────────────── */
.dataset-actions { margin-bottom: var(--s3); }
.dl-btn {
  display: inline-flex; align-items: center; gap: var(--s2);
  font-size: 13px; font-weight: 500; color: var(--text);
  text-decoration: none;
  padding: var(--s2) var(--s4);
  border: 1px solid var(--border); border-radius: var(--radius-md);
  background: var(--bg-elevated);
  transition: background var(--transition), border-color var(--transition);
}
.dl-btn::before {
  content: ""; width: 15px; height: 15px; flex-shrink: 0;
  background: currentColor;
  -webkit-mask: no-repeat center / contain; mask: no-repeat center / contain;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3v12M7 10l5 5 5-5M5 21h14'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3v12M7 10l5 5 5-5M5 21h14'/%3E%3C/svg%3E");
}
.dl-btn:hover { background: var(--bg-active); border-color: var(--text-tertiary); }
.dl-btn:focus-visible { outline: 1.5px solid var(--text-tertiary); outline-offset: 2px; }

/* ── Dataset viewer (multi-sheet spreadsheet) ───────────────── */
.sheet-tabs { display: flex; flex-wrap: wrap; gap: 2px; padding: 2px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: var(--s3); width: fit-content; }
.sheet-tab { border: none; background: none; cursor: pointer; font: 500 12.5px var(--font); color: var(--text-tertiary); padding: 7px 12px; border-radius: var(--radius-sm); white-space: nowrap; transition: color var(--transition), background var(--transition); }
.sheet-tab:hover { color: var(--text); }
.sheet-tab.is-active { color: var(--text); background: var(--pill-active-bg); }
.sheet-tab:focus-visible { outline: 1.5px solid var(--text-tertiary); outline-offset: 2px; }
.sheet-meta { font-size: 12px; color: var(--text-tertiary); margin-bottom: var(--s2); }
.sheet-scroll { overflow-x: auto; overflow-y: auto; max-height: 340px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.sheet-table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
.sheet-table th, .sheet-table td { text-align: left; padding: 6px 10px; font-size: 12px; white-space: nowrap; border-bottom: 1px solid var(--border-light); }
.sheet-table th { position: sticky; top: 0; background: var(--bg-elevated); color: var(--text-tertiary); font-weight: 600; z-index: 1; }
.sheet-table td { color: var(--text-secondary); }
.sheet-table td.num { text-align: right; }
.sheet-table tr:last-child td { border-bottom: none; }
.sheet-table tbody tr:hover td { background: var(--bg-hover); }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    position: sticky; top: var(--topbar-h); height: auto;
    padding: var(--s2) var(--gutter);
    border-right: none; border-bottom: 1px solid var(--border-light);
    z-index: 40; flex-direction: row; align-items: center;
  }
  .nav { flex-direction: row; gap: var(--s1); overflow-x: auto; -ms-overflow-style: none; scrollbar-width: none; }
  .nav::-webkit-scrollbar { display: none; }
  .nav-sep { display: none; }
  .nav-item .nav-ico { display: none; }
  .sidebar-foot { margin-top: 0; margin-left: auto; padding-top: 0; padding-left: var(--s3); flex-shrink: 0; }
}

@media (max-width: 560px) {
  .recon-seg { grid-template-columns: repeat(2, 1fr); }
  .diagram-grid { grid-template-columns: 1fr; }
  .chan-head, .chan-row { grid-template-columns: 88px 1fr 52px; }
  .chan-head .r.rev, .chan-rev { display: none; }
  .ledger-row { grid-template-columns: 1fr; }
  .lr-grade { justify-self: start; margin-top: var(--s2); }
}