/* MineMemBench — editorial design system
   Paper, ink, hairlines, type. Color is reserved for data (backends, verdicts). */

:root {
  --paper: #fafaf7;
  --paper-raise: #f4f4ef;
  --ink: #191d24;
  --ink-soft: #3d4450;
  --ink-mute: #6d7480;
  --ink-faint: #9aa1ac;
  --hairline: #e2e1da;
  --hairline-strong: #cfcec5;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Charter, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;

  --c-none: #8d939e;
  --c-vector: #c07f1f;
  --c-mem0: #2e8f66;
  --c-letta: #4f66c0;

  --c-ok: #2e8f66;
  --c-fail: #c03a3a;
  --c-target: #1f7fa8;
  --c-current: #2e8f66;
  --c-stale: #c07f1f;
  --c-distractor: #8a63c9;
  --c-noise: #8d939e;

  --measure: 1140px;
  --read: 700px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(31, 127, 168, 0.16); }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.01em; }

a { color: var(--c-target); text-decoration: none; }
a:hover { text-decoration: underline; }

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 14px;
}

.mono { font-family: var(--mono); }

/* ---------------------------------- nav ---------------------------------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: baseline;
  gap: 26px;
  padding: 15px 30px 13px;
  background: rgba(250, 250, 247, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
}

.brand {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 650;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.brand:hover { text-decoration: none; }

.brand-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
  text-transform: uppercase;
}

.nav-links { display: flex; gap: 22px; margin-left: auto; }

.nav-links a {
  color: var(--ink-mute);
  font-size: 13.5px;
}

.nav-links a:hover { color: var(--ink); text-decoration: none; }

.nav-badge {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--c-ok);
  white-space: nowrap;
}

/* --------------------------------- layout --------------------------------- */

.section {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 84px 30px 40px;
}

.section + .section { border-top: 1px solid var(--hairline); }

.section-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 10px;
}

.lede {
  font-size: 19px;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: var(--read);
}

.small-print {
  font-size: 13px;
  color: var(--ink-mute);
  max-width: var(--read);
}

/* ---------------------------------- hero ---------------------------------- */

.hero { padding: 170px 30px 90px; max-width: var(--measure); margin: 0 auto; }

.hero h1 {
  font-size: clamp(40px, 5.6vw, 68px);
  line-height: 1.08;
  margin: 0 0 30px;
  max-width: 900px;
}

.hero h1 .q-mark { color: var(--c-target); }

.hero .lede { margin: 0 0 18px; }

.hero-frozen {
  margin: 34px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--hairline);
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-mute);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
}

.hero-frozen b { color: var(--ink); font-weight: 500; }

.pipeline-line {
  margin-top: 40px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-mute);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.pipeline-line .pl-step { white-space: nowrap; }
.pipeline-line .pl-arrow { color: var(--ink-faint); }

.pipeline-line .pl-var {
  color: var(--c-target);
  border-bottom: 2px solid var(--c-target);
  padding-bottom: 1px;
}

/* --------------------------------- findings -------------------------------- */

.finding {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 26px;
  padding: 44px 0;
  border-top: 1px solid var(--hairline);
}

.finding:first-of-type { border-top: 0; padding-top: 10px; }

.finding-num {
  font-family: var(--serif);
  font-size: 44px;
  color: var(--hairline-strong);
  line-height: 1;
}

.finding h3 {
  font-size: 27px;
  margin: 0 0 12px;
}

.finding p { max-width: var(--read); margin: 0 0 14px; color: var(--ink-soft); }

.finding .big-stat {
  font-family: var(--serif);
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.1;
  margin: 6px 0 14px;
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
}

.big-stat .vs {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
}

.big-stat .stat-a { color: var(--c-vector); }
.big-stat .stat-b { color: var(--c-mem0); }

.finding .watch {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--c-target);
  cursor: pointer;
}

/* the 2×2 as typography + hairline table */

.rb-line {
  font-family: var(--serif);
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.5;
  max-width: 860px;
}

.rb-line b { font-weight: 650; }
.rb-line .n-ok { color: var(--c-ok); }
.rb-line .n-warn { color: var(--c-stale); }
.rb-line .n-zero { color: var(--c-target); border-bottom: 2px solid var(--c-target); }
.rb-line .n-fail { color: var(--c-fail); }

.rb-table {
  margin-top: 26px;
  border-top: 1px solid var(--hairline-strong);
  border-bottom: 1px solid var(--hairline-strong);
  max-width: 860px;
  font-family: var(--mono);
  font-size: 12.5px;
}

.rb-table .rb-row {
  display: grid;
  grid-template-columns: 1fr 130px 130px;
  padding: 9px 4px;
  border-top: 1px solid var(--hairline);
  color: var(--ink-mute);
}

.rb-table .rb-row:first-child { border-top: 0; color: var(--ink-faint); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }
.rb-table .rb-row .num { text-align: right; color: var(--ink); }
.rb-table .rb-row .num.strong { font-weight: 700; }

/* failure strips */

.fp-strips { margin-top: 24px; display: grid; gap: 14px; max-width: 860px; }

.fp-strip {
  display: grid;
  grid-template-columns: 150px 1fr 220px;
  gap: 18px;
  align-items: center;
  font-size: 14px;
}

.fp-strip .fp-name {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.fp-strip .fp-name i {
  width: 9px; height: 9px; border-radius: 2px; display: inline-block;
}

.fp-strip .fp-track { display: flex; gap: 6px; }

.fp-cell {
  flex: 1;
  height: 30px;
  border: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  background: var(--paper);
}

.fp-cell.ok { background: color-mix(in srgb, var(--bc) 14%, var(--paper)); color: var(--ink); }
.fp-cell.broken { background: repeating-linear-gradient(-45deg, transparent, transparent 4px, rgba(192, 58, 58, 0.12) 4px, rgba(192, 58, 58, 0.12) 8px); color: var(--c-fail); border-color: rgba(192, 58, 58, 0.35); }

.fp-note { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); text-align: right; }

/* ------------------------------- matrix ---------------------------------- */

.matrix-wrap { margin: 40px 0 20px; overflow-x: auto; }

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 760px;
}

.matrix-table th, .matrix-table td {
  border-bottom: 1px solid var(--hairline);
  padding: 10px 14px;
  text-align: center;
}

.matrix-table thead th {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  border-bottom: 1px solid var(--hairline-strong);
  font-weight: 500;
}

.matrix-table thead th .mx-dot {
  display: inline-block;
  width: 8px; height: 8px; border-radius: 2px; margin-right: 7px;
  vertical-align: 0;
}

.matrix-table .mx-rowhead {
  text-align: left;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.matrix-table .mx-rowhead small {
  display: block;
  font-family: var(--mono);
  font-weight: 400;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.matrix-table td.mx {
  font-family: var(--mono);
  font-size: 15px;
  cursor: pointer;
  transition: background 0.12s;
  position: relative;
}

.matrix-table td.mx:hover { background: var(--paper-raise); }

.matrix-table td.mx .fp-flag { color: var(--c-stale); font-size: 10px; vertical-align: 3px; margin-left: 3px; }

.matrix-table td.mx .ret {
  display: block;
  font-size: 10px;
  color: var(--ink-faint);
  margin-top: 2px;
}

.matrix-table td.mx.zero { color: var(--ink-faint); cursor: default; }
.matrix-table td.mx.zero:hover { background: transparent; }

.matrix-note { font-size: 13px; color: var(--ink-mute); margin-top: 10px; }

/* -------------------------------- race ----------------------------------- */

.race-stage {
  border-top: 1px solid var(--hairline-strong);
  border-bottom: 1px solid var(--hairline-strong);
  padding: 30px 0 10px;
  margin-top: 34px;
}

.race-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.race-title { font-family: var(--serif); font-size: 24px; font-weight: 600; }

.race-sub {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-mute);
}

.race-outcomes { margin-left: auto; display: flex; gap: 16px; }

.ro {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-mute);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.ro i { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }
.ro.win { color: var(--c-ok); }
.ro.loss { color: var(--c-fail); }

/* divergence callout */

.divergence-callout {
  margin: 18px 0 8px;
  padding: 14px 18px;
  border-left: 2px solid var(--c-target);
  background: var(--paper-raise);
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 860px;
}

.divergence-callout b { color: var(--ink); }
.divergence-callout .dc-kind { font-family: var(--mono); font-size: 11.5px; }

/* transport */

.transport {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0 20px;
  position: sticky;
  top: 50px;
  background: var(--paper);
  z-index: 6;
  border-bottom: 1px solid var(--hairline);
}

.t-buttons { display: flex; gap: 5px; }

.t-btn {
  appearance: none;
  border: 1px solid var(--hairline-strong);
  background: var(--paper);
  color: var(--ink-mute);
  width: 34px;
  height: 34px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--mono);
}

.t-btn:hover { color: var(--ink); border-color: var(--ink-mute); }

.t-btn.play {
  width: 52px;
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.t-btn.play:hover { background: var(--ink-soft); }

.t-slider-wrap { flex: 1; position: relative; display: flex; align-items: center; height: 30px; }

.t-slider {
  width: 100%;
  appearance: none;
  height: 2px;
  background: var(--hairline-strong);
  outline: none;
  cursor: pointer;
}

.t-slider::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--ink);
}

.t-divergence-flags { position: absolute; inset: 0; pointer-events: none; }

.div-flag {
  position: absolute;
  top: -6px;
  transform: translateX(-50%);
  font-size: 9.5px;
  font-family: var(--mono);
  letter-spacing: 0.04em;
  padding: 2px 6px;
  border-radius: 4px;
  pointer-events: auto;
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid;
}

.div-flag.retrieval { color: var(--c-target); border-color: color-mix(in srgb, var(--c-target) 45%, transparent); background: var(--paper); }
.div-flag.action { color: var(--c-stale); border-color: color-mix(in srgb, var(--c-stale) 45%, transparent); background: var(--paper); }

.t-readout {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-mute);
  white-space: nowrap;
}

.t-readout b { color: var(--ink); font-weight: 500; }

.t-speed {
  appearance: none;
  border: 1px solid var(--hairline-strong);
  background: var(--paper);
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 12px;
  padding: 7px 9px;
  border-radius: 6px;
  cursor: pointer;
}

/* lanes */

.lanes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--hairline);
  margin-top: 26px;
}

.lane {
  border-right: 1px solid var(--hairline);
  padding: 18px 18px 26px;
  min-width: 0;
}

.lane.missing { opacity: 0.5; }

.lane-head {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin-bottom: 12px;
}

.lane-dot { width: 9px; height: 9px; border-radius: 2px; align-self: center; }

.lane-name { font-weight: 650; font-size: 15px; }

.lane-verdict {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.lane-verdict.success { color: var(--c-ok); }
.lane-verdict.failure { color: var(--c-fail); }

.lane-track {
  display: flex;
  gap: 3px;
  margin-bottom: 16px;
  min-height: 10px;
}

.lane-tick {
  flex: 1;
  height: 5px;
  background: var(--hairline);
  cursor: pointer;
  position: relative;
}

.lane-tick.seen { background: color-mix(in srgb, var(--lc, #999) 45%, var(--paper)); }
.lane-tick.now { background: var(--lc, #999); }
.lane-tick.failed-now { background: var(--c-fail); }

.lane-tick .tick-dot {
  position: absolute;
  top: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--c-target);
}

.lane-frame { display: flex; flex-direction: column; gap: 14px; min-height: 320px; }

.frame-phase {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.frame-section .fs-label {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 7px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}

.fs-value { font-size: 13.5px; color: var(--ink); }
.fs-value.mono { font-family: var(--mono); font-size: 12px; word-break: break-word; }

.retrieval-list { display: grid; gap: 3px; }

.retrieval-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  padding: 3px 6px;
  border-left: 2px solid transparent;
  min-width: 0;
}

.retrieval-item .rank { color: var(--ink-faint); width: 20px; flex: none; }

.retrieval-item .role {
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--rc, var(--ink-faint));
  width: 64px;
  flex: none;
}

.retrieval-item .summary {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.retrieval-item.is-target {
  border-left-color: var(--c-target);
  background: color-mix(in srgb, var(--c-target) 7%, var(--paper));
  color: var(--ink);
}

.retrieval-empty {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--c-fail);
  border-left: 2px solid var(--c-fail);
  padding: 4px 8px;
}

.reason-quote {
  font-size: 12.5px;
  color: var(--ink-mute);
  font-style: italic;
  border-left: 2px solid var(--hairline-strong);
  padding-left: 10px;
  margin: 7px 0 0;
  max-height: 90px;
  overflow: auto;
  font-family: var(--serif);
}

.outcome-chip {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid;
}

.outcome-chip.completed { color: var(--c-ok); border-color: color-mix(in srgb, var(--c-ok) 50%, transparent); }
.outcome-chip.failed { color: var(--c-fail); border-color: color-mix(in srgb, var(--c-fail) 50%, transparent); }
.outcome-chip.other { color: var(--ink-mute); border-color: var(--hairline-strong); }

.frame-tokens {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-faint);
  display: flex;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  border-top: 1px solid var(--hairline);
  padding-top: 10px;
}

/* lane map */

.lane-map { margin-top: 16px; }

.lane-map svg {
  width: 100%;
  height: auto;
  display: block;
  background:
    radial-gradient(circle at 1px 1px, rgba(25, 29, 36, 0.1) 1px, transparent 1px) 0 0 / 16px 16px,
    var(--paper);
  border: 1px solid var(--hairline);
}

.map-legend {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-faint);
  margin-top: 8px;
}

.map-legend i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 5px; }

/* race explorer */

.race-explorer { margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--hairline); }

.explorer-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  padding: 8px 0;
}

.control-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  width: 88px;
  flex: none;
}

.seg { display: inline-flex; flex-wrap: wrap; gap: 2px; }

.seg button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 12.5px;
  padding: 6px 11px;
  cursor: pointer;
  border-radius: 5px;
}

.seg button:hover { color: var(--ink); background: var(--paper-raise); }

.seg button.active {
  color: var(--c-target);
  background: color-mix(in srgb, var(--c-target) 9%, var(--paper));
  font-weight: 600;
}

/* -------------------------------- replay ---------------------------------- */

.replay-layout {
  display: grid;
  grid-template-columns: 280px 1fr 320px;
  gap: 34px;
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--hairline-strong);
}

.replay-rail, .replay-side { min-width: 0; }

.rail-block { margin-bottom: 26px; }

.rb-title {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 10px;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 7px;
}

.funnel-row {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-mute);
  padding: 3px 0;
}

.funnel-row .funnel-count { margin-left: auto; color: var(--ink); }

.step-list { display: grid; gap: 4px; }

.step-entry {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  cursor: pointer;
  padding: 6px 9px;
  border-left: 2px solid transparent;
}

.step-entry:hover { background: var(--paper-raise); }

.step-entry.active {
  border-left-color: var(--c-target);
  background: color-mix(in srgb, var(--c-target) 6%, var(--paper));
  color: var(--ink);
}

.step-entry .se-status { float: right; }
.step-entry .se-status.completed { color: var(--c-ok); }
.step-entry .se-status.failed { color: var(--c-fail); }

.replay-frame-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }

.replay-card { min-width: 0; }
.replay-card.wide { grid-column: 1 / -1; }

.probe-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-mute);
  padding: 5px 0;
  border-bottom: 1px dashed var(--hairline);
}

.probe-row:last-child { border-bottom: 0; }
.probe-row b { color: var(--c-target); font-weight: 500; }

/* -------------------------------- explore --------------------------------- */

.explore-note {
  background: var(--paper-raise);
  border-left: 2px solid var(--hairline-strong);
  padding: 16px 20px;
  color: var(--ink-mute);
  font-size: 14px;
  max-width: var(--read);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 12px;
  margin-top: 18px;
}

.data-table th {
  text-align: left;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 10px;
  color: var(--ink-faint);
  border-bottom: 1px solid var(--hairline-strong);
  padding: 8px 10px;
  position: sticky;
  top: 50px;
  background: var(--paper);
}

.data-table td {
  border-bottom: 1px solid var(--hairline);
  padding: 7px 10px;
  color: var(--ink-soft);
}

.data-table tr:hover td { background: var(--paper-raise); }
.data-table td.num { text-align: right; }
.data-table td .ok { color: var(--c-ok); }
.data-table td .fail { color: var(--c-fail); }

.table-wrap { max-height: 480px; overflow: auto; border-bottom: 1px solid var(--hairline-strong); }

/* forest, editorial */

.forest { display: grid; gap: 2px; margin-top: 16px; }

.forest-group {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 16px 0 4px;
}

.forest-row {
  display: grid;
  grid-template-columns: 170px 1fr 230px;
  align-items: center;
  gap: 16px;
  padding: 4px 0;
}

.forest-label { font-size: 13px; color: var(--ink-mute); font-family: var(--mono); }
.forest-row.sig .forest-label { color: var(--ink); font-weight: 600; }

.forest-track { position: relative; height: 20px; }

.forest-axis { position: absolute; top: 0; bottom: 0; width: 1px; background: var(--hairline); }
.forest-axis.zero { background: var(--ink-faint); }

.forest-ci {
  position: absolute;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
  background: var(--ink-faint);
}

.forest-dot {
  position: absolute;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: var(--ink-mute);
}

.forest-row.sig .forest-dot { background: var(--c-target); }
.forest-row.sig .forest-ci { background: var(--c-target); }

.forest-stats { font-family: var(--mono); font-size: 10.5px; color: var(--ink-faint); white-space: nowrap; }
.forest-row.sig .forest-stats { color: var(--c-target); }

/* ladders in explore */

.ladders { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; margin-top: 16px; }

.ladder h4 {
  margin: 0 0 10px;
  font-size: 11px;
  font-family: var(--mono);
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  text-transform: uppercase;
  font-weight: 500;
}

.ladder svg { width: 100%; height: auto; display: block; }

/* cost table in explore */

.cost { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin-top: 16px; }

.cost-card h4 {
  margin: 0 0 10px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-weight: 600;
}

.cost-card h4 .bc-dot { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }

.cost-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  padding: 4px 0;
  border-bottom: 1px dashed var(--hairline);
}

.cost-row b { color: var(--ink); font-weight: 500; }

.cost-note {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-faint);
  border-top: 1px solid var(--hairline);
  margin-top: 8px;
  padding-top: 7px;
}

/* plain-language layer additions */

.dim { color: var(--ink-faint); font-size: 0.88em; }

.chart-caption {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  margin: -6px 0 8px;
}

.forest-legend {
  font-size: 12.5px;
  color: var(--ink-mute);
  margin: 4px 0 14px;
  max-width: 760px;
}

.forest-pair { display: block; }

.forest-plain {
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink);
  margin-top: 2px;
}

.forest-row:not(.sig) .forest-plain { color: var(--ink-faint); }

/* method */

.kv { display: grid; }

.kv-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 13.5px;
  padding: 8px 0;
  border-bottom: 1px solid var(--hairline);
}

.kv-row:last-child { border-bottom: 0; }
.kv-row .k { color: var(--ink-mute); }
.kv-row .v { font-family: var(--mono); font-size: 11.5px; color: var(--ink); text-align: right; word-break: break-all; }
.kv-row .v.ok { color: var(--c-ok); }

.method-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 24px; }

.method-block h4 {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 12px;
  font-weight: 500;
}

ul.plain { margin: 0; padding-left: 20px; color: var(--ink-soft); font-size: 14.5px; display: grid; gap: 8px; }

/* footer */

.footer {
  max-width: var(--measure);
  margin: 80px auto 0;
  padding: 40px 30px 70px;
  border-top: 1px solid var(--hairline-strong);
  color: var(--ink-mute);
  font-size: 13.5px;
  display: grid;
  gap: 12px;
}

.footer-meta { font-family: var(--mono); font-size: 10.5px; color: var(--ink-faint); word-break: break-all; }

/* utility */

[hidden] { display: none !important; }

.loading {
  padding: 40px 0;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 12px;
}

.error-box {
  padding: 18px 20px;
  border-left: 2px solid var(--c-fail);
  color: var(--c-fail);
  font-family: var(--mono);
  font-size: 12.5px;
  background: var(--paper-raise);
}

/* responsive */

@media (max-width: 1020px) {
  .lanes { grid-template-columns: repeat(2, 1fr); }
  .lane:nth-child(2n) { border-right: 0; }
  .replay-layout { grid-template-columns: 1fr; }
  .replay-frame-grid { grid-template-columns: 1fr; }
  .method-grid, .ladders, .cost { grid-template-columns: 1fr 1fr; }
  .forest-row { grid-template-columns: 130px 1fr; }
  .forest-stats { display: none; }
  .fp-strip { grid-template-columns: 110px 1fr; }
  .fp-note { display: none; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .lanes { grid-template-columns: 1fr; }
  .lane { border-right: 0; border-bottom: 1px solid var(--hairline); }
  .method-grid, .ladders, .cost { grid-template-columns: 1fr; }
  .transport { position: static; flex-wrap: wrap; }
  .finding { grid-template-columns: 1fr; gap: 6px; }
  .hero { padding-top: 130px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ------------------------- landing page (simple) ------------------------- */

.nav-right { display: flex; align-items: center; gap: 12px; }

.lang-toggle {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  background: transparent;
  border: 1px solid var(--hairline-strong);
  border-radius: 3px;
  padding: 4px 10px;
  cursor: pointer;
  letter-spacing: 0.06em;
}
.lang-toggle:hover { color: var(--ink); border-color: var(--ink-mute); }

.l-hero { padding-bottom: 10px; }
.l-hero h1 { max-width: 800px; }
.l-hero .lede { max-width: 640px; }

.l-exp { padding-top: 10px; }

.l-scenarios { margin: 10px 0 22px; }

.exp-card {
  border: 1px solid var(--hairline-strong);
  background: var(--paper-raise);
  padding: 26px 28px 20px;
  max-width: 960px;
}

.exp-controls { display: flex; align-items: center; gap: 18px; margin-bottom: 22px; }

.exp-play {
  font-family: var(--mono);
  font-size: 14px;
  padding: 12px 26px;
  background: var(--ink);
  color: var(--paper);
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  letter-spacing: 0.04em;
}
.exp-play:hover { background: var(--ink-soft); }

.exp-step { font-family: var(--mono); font-size: 12px; color: var(--ink-faint); }

/* live lanes */
.live-lanes { display: grid; gap: 8px; margin-bottom: 26px; }

.live-lane {
  display: grid;
  grid-template-columns: 12px 110px 1fr 190px;
  align-items: center;
  gap: 12px;
}

.ll-dot { width: 10px; height: 10px; border-radius: 2px; }

.ll-name { font-family: var(--mono); font-size: 12.5px; font-weight: 600; }

.ll-track { display: flex; gap: 3px; }

.ll-tick {
  flex: 1;
  height: 10px;
  background: var(--hairline);
  border-radius: 1.5px;
  transition: background 0.25s;
}
.ll-tick.seen { background: color-mix(in srgb, var(--lc) 45%, var(--hairline)); }
.ll-tick.now { background: var(--lc); box-shadow: 0 0 0 1.5px var(--lc); }

.ll-chip {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  text-align: right;
}
.ll-chip.holds { color: var(--c-ok); }
.ll-chip.lost { color: var(--c-stale); }
.ll-chip.win { color: var(--c-ok); font-weight: 700; }
.ll-chip.loss { color: var(--c-fail); font-weight: 700; }

/* live grid: who still holds the key fact */
.live-grid-wrap { margin-bottom: 18px; }

.live-grid {
  display: grid;
  gap: 3px;
  align-items: center;
}

.lg-corner { }

.lg-stepnum {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--ink-faint);
  text-align: center;
}

.lg-name { font-family: var(--mono); font-size: 11.5px; font-weight: 600; }

.lg-cell {
  height: 16px;
  border-radius: 2px;
  background: var(--paper);
  border: 1px solid var(--hairline);
  transition: background 0.25s, border-color 0.25s;
}
.lg-cell.holds { background: color-mix(in srgb, var(--lc) 78%, transparent); border-color: transparent; }
.lg-cell.lost {
  background: repeating-linear-gradient(-45deg, transparent, transparent 3px, rgba(192, 58, 58, 0.16) 3px, rgba(192, 58, 58, 0.16) 6px);
  border-color: rgba(192, 58, 58, 0.3);
}

.live-flags { position: relative; height: 26px; margin-top: 6px; }

.live-flag {
  position: absolute;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--ink-faint);
  white-space: nowrap;
  opacity: 0.35;
  transition: opacity 0.3s;
}
.live-flag.active { opacity: 1; color: var(--ink); }
.live-flag.memory { color: var(--c-target); }
.live-flag.action { color: var(--c-stale); }

.live-narr {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--ink-soft);
  min-height: 28px;
  margin: 10px 0 0;
}

/* conclusion card */
.concl-card {
  margin-top: 20px;
  border-top: 2px solid var(--ink);
  padding-top: 16px;
}
.concl-card h3 { margin: 0 0 8px; }
.concl-card p { max-width: 640px; color: var(--ink-soft); }

.concl-actions { margin-top: 14px; display: flex; gap: 14px; }

.btn-strong {
  display: inline-block;
  font-family: var(--mono);
  font-size: 13px;
  padding: 11px 22px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 4px;
  letter-spacing: 0.03em;
}
.btn-strong:hover { background: var(--ink-soft); text-decoration: none; }

.honesty {
  margin-top: 22px;
  font-size: 12px;
  color: var(--ink-faint);
  font-family: var(--mono);
}

/* three mini findings */
.l-findings h2 { max-width: 640px; }

.mini-findings {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin: 26px 0 34px;
  max-width: 960px;
}

.mini-finding {
  border-top: 1px solid var(--hairline-strong);
  padding-top: 14px;
}

.mini-stat {
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

.mini-finding p { font-size: 14px; color: var(--ink-mute); margin: 0; }

@media (max-width: 760px) {
  .mini-findings { grid-template-columns: 1fr; }
  .live-lane { grid-template-columns: 10px 86px 1fr; }
  .ll-chip { grid-column: 2 / -1; text-align: left; }
  .exp-card { padding: 18px 16px 14px; }
}

/* GitHub source link in nav */
.gh-link { display: inline-flex; align-items: center; gap: 6px; }
.gh-icon { width: 15px; height: 15px; fill: currentColor; flex: none; }