:root {
  /* Light editorial palette — built for a broad audience, not a dev dashboard. */
  --paper: #faf7f2;
  --bg2: #ffffff;
  --panel: #ffffff;
  --panel2: #f6f2ea;
  --line: #e7e0d6;
  --line2: #d9cfc1;
  --ink: #1f1b16;
  --muted: #6b6258;
  --faint: #9a9085;
  --accent: #c2410c;       /* terracotta — human, not electric-blue tech */
  --accent-soft: #fbeede;

  /* verdict tones, tuned for white */
  --v-pass: #2f8f5b;
  --v-refusal: #0d9488;
  --v-wrong: #b45309;
  --v-neutral: #8a8278;
  --v-alarm: #b91c1c;
  --v-void: #b0a89c;

  /* chart theme (read by app.js via CSS variables) */
  --chart-grid: #ece5da;
  --chart-grid-mid: #d9cfc1;
  --chart-axis: #9a9085;
  --chart-marker: #c2410c;
  --chart-dot-bg: #ffffff;

  --serif: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* topbar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 32px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
  background: rgba(250,247,242,0.86); backdrop-filter: blur(8px);
}
.brand { font-family: var(--serif); font-weight: 700; letter-spacing: 0.2px; font-size: 20px; }
.brand span { color: var(--accent); }
.trust { display: flex; align-items: center; gap: 14px; font-size: 13px; }
.pill { font-family: var(--mono); color: var(--muted); border: 1px solid var(--line2);
  padding: 3px 10px; border-radius: 999px; background: var(--bg2); }
.repro { font-family: var(--mono); color: var(--faint); display: none; }
.method { color: var(--muted); text-decoration: none; border-bottom: 1px dotted var(--faint); }
.method:hover { color: var(--accent); border-bottom-color: var(--accent); }
@media (min-width: 760px) { .repro { display: inline; } }

main { max-width: 940px; margin: 0 auto; padding: 0 28px 88px; }

/* hero */
.hero { padding: 72px 0 36px; }
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(32px, 5.2vw, 56px); line-height: 1.12; margin: 0 0 20px;
  letter-spacing: -0.4px; font-weight: 700;
}
.hero .sub { max-width: 660px; color: var(--muted); font-size: 17.5px; margin: 0; }

/* panels */
.panel { background: var(--panel);
  border: 1px solid var(--line); border-radius: 16px; padding: 28px 30px; margin: 26px 0;
  box-shadow: 0 1px 2px rgba(31,27,22,0.03); }
.panel-head { display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.panel-head h2 { font-family: var(--serif); margin: 0; font-size: 24px; letter-spacing: -0.2px; font-weight: 700; }
.panel-note, .panel-head .panel-note { color: var(--muted); font-size: 14.5px; max-width: 480px; margin: 0; }

/* surface */
.legend-kinds { display: flex; gap: 14px; font-size: 12.5px; color: var(--muted); }
.k-real { color: var(--ink); font-weight: 600; } .k-proj { color: var(--muted); } .k-illus { color: var(--faint); }
.surface-body { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 820px) { .surface-body { grid-template-columns: 1fr 240px; } }
.chart { width: 100%; }
.chart svg { width: 100%; height: auto; display: block; }

.surface-side { display: flex; flex-direction: column; gap: 22px; }
.models { display: flex; flex-direction: column; gap: 6px; }
.model-toggle { display: flex; align-items: center; gap: 9px; cursor: pointer;
  font-size: 14px; padding: 7px 9px; border-radius: 9px; border: 1px solid transparent; }
.model-toggle:hover { background: var(--panel2); }
.model-toggle .swatch { width: 22px; height: 3px; border-radius: 2px; flex: none; }
.model-toggle .mt-label { font-weight: 600; }
.model-toggle .mt-sub { color: var(--faint); font-size: 12px; }
.model-toggle.off { opacity: 0.42; }
.tag { font-family: var(--mono); font-size: 10px; padding: 1px 6px; border-radius: 5px;
  border: 1px solid var(--line2); color: var(--muted); margin-left: auto; }
.tag.real { color: var(--v-pass); border-color: rgba(47,143,91,0.45); background: #ecf5ef; }
.tag.illustrative { color: var(--faint); }

.levelctl-label { font-size: 13.5px; color: var(--muted); margin-bottom: 10px; }
.levelctl-label strong { color: var(--accent); font-family: var(--mono); }
.steps { display: flex; gap: 6px; }
.step-dot { flex: 1; height: 32px; border-radius: 8px; border: 1px solid var(--line2);
  background: var(--bg2); color: var(--muted); font-family: var(--mono); font-size: 12px;
  cursor: pointer; display: grid; place-items: center; }
.step-dot:hover { border-color: var(--accent); }
.step-dot[aria-checked="true"] { border-color: var(--accent); color: var(--accent);
  background: var(--accent-soft); font-weight: 700; }
.levelctl-hint { font-size: 12.5px; color: var(--faint); margin: 10px 0 0; min-height: 16px; }

/* honesty */
.honesty-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.hcard { border: 1px solid var(--line); border-radius: 12px; padding: 18px; background: var(--bg2); }
.hcard .hc-model { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.hcard .hc-val { font-size: 36px; font-weight: 800; letter-spacing: -1px; color: var(--ink); }
.hcard .hc-bar { height: 6px; border-radius: 4px; background: var(--line); margin: 10px 0 6px; overflow: hidden; }
.hcard .hc-fill { height: 100%; background: var(--v-alarm); }
.hcard .hc-cap { font-size: 12px; color: var(--faint); }
.hcard.alarm { border-color: #f1c0c0; background: #fdf3f3; }
.hcard.alarm .hc-val { color: var(--v-alarm); }

/* grid */
.axis-sel { display: flex; gap: 6px; flex-wrap: wrap; }
.axis-tab { font-size: 13px; padding: 5px 12px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line2); color: var(--muted); background: var(--bg2); }
.axis-tab:hover { border-color: var(--accent); }
.axis-tab[aria-selected="true"] { color: #fff; border-color: var(--accent); background: var(--accent); }
.grid-wrap { display: grid; gap: 16px; }
.grid { display: grid; gap: 8px; }
.grid-row { display: grid; grid-template-columns: 140px repeat(6, 1fr); gap: 8px; align-items: center; }
.grid-row.head { color: var(--faint); font-size: 11px; }
.grid-row .rh { font-size: 13.5px; color: var(--ink); font-weight: 600; }
.cell { height: 46px; border-radius: 8px; border: 1px solid var(--line2);
  display: grid; place-items: center; position: relative; cursor: default;
  font-size: 12.5px; font-weight: 600; background: var(--bg2); }
.cell .cell-rate { font-weight: 700; }
.cell.empty { background: repeating-linear-gradient(45deg, #faf7f2, #faf7f2 6px, #f1ebe1 6px, #f1ebe1 12px); color: var(--faint); border-style: dashed; }
.cell.void::after { content: "void"; position: absolute; bottom: 3px; font-size: 8px; color: var(--v-void); }
.cell[data-tone="pass"]        { background: #e8f4ec;  border-color: #bfe3cd; color: var(--v-pass); }
.cell[data-tone="pass-refusal"]{ background: #e6f5f2;  border-color: #b6e3da; color: var(--v-refusal); border-style: dashed; }
.cell[data-tone="wrong"]       { background: #fbeedd;  border-color: #f0d2ac; color: var(--v-wrong); }
.cell[data-tone="neutral"]     { background: #f0ede8;  border-color: #ddd6cb; color: #6f675c; }
.cell[data-tone="alarm"]       { background: #fbe3e3;  border-color: #efb9b9; color: var(--v-alarm); box-shadow: 0 0 0 1px rgba(185,28,28,0.18) inset; }
.cell .alarm-glyph { position: absolute; top: 3px; right: 5px; font-size: 10px; }

.grid-legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12.5px; color: var(--muted); }
.lg { display: inline-flex; align-items: center; gap: 7px; }
.lg .sw { width: 13px; height: 13px; border-radius: 4px; border: 1px solid var(--line2); }
.void-note { color: var(--faint); font-size: 12.5px; margin: 14px 0 0; }

/* replay */
.replay-verdict { font-family: var(--mono); font-size: 12px; padding: 3px 10px; border-radius: 999px;
  border: 1px solid var(--line2); }
.replay-task { font-size: 16px; margin: 0 0 6px; }
.replay-task::before { content: "task: "; color: var(--faint); font-family: var(--mono); font-size: 12px; }
.replay-summary { color: var(--muted); margin: 0 0 18px; max-width: 720px; }
.steps-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.steps-list li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; align-items: start;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg2); }
.steps-list li.dim { opacity: 0.55; }
.steps-list li.fault { border-color: #efb9b9; background: #fdf3f3; }
.steps-list li.claim { border-color: #f0d2ac; }
.step-idx { font-family: var(--mono); color: var(--faint); font-size: 12px; }
.step-call { font-family: var(--mono); font-size: 13px; }
.step-call .args { color: var(--muted); }
.step-note { font-size: 13px; color: var(--muted); margin-top: 4px; }
.steps-list li.fault .step-note { color: var(--v-alarm); }
.fault-tag { font-family: var(--mono); font-size: 9.5px; color: var(--v-alarm); border: 1px solid #efb9b9;
  border-radius: 5px; padding: 1px 5px; margin-left: 8px; }

/* replay trace picker */
.replay-pick { display: flex; align-items: center; gap: 10px; margin: 4px 0 18px; }
.replay-pick-label { font-family: var(--mono); font-size: 12px; color: var(--faint); }
.replay-select {
  font-family: var(--sans); font-size: 13.5px; color: var(--ink);
  background: var(--bg2); border: 1px solid var(--line2); border-radius: 8px;
  padding: 8px 12px; max-width: 100%; cursor: pointer;
}
.replay-select:hover { border-color: var(--accent); }
.replay-select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.replay-empty { color: var(--muted); font-size: 14px; border: 1px dashed var(--line2);
  border-radius: 10px; padding: 18px 20px; background: var(--panel2); }
.replay-empty code { font-family: var(--mono); font-size: 12px; color: var(--accent); }

/* per-call ok/fail badge */
.ok-badge { font-family: var(--mono); font-size: 9.5px; border-radius: 5px; padding: 1px 5px; margin-left: 8px; }
.ok-badge.ok { color: var(--v-pass); border: 1px solid #bfe3cd; }
.ok-badge.err { color: var(--v-wrong); border: 1px solid #f0d2ac; }
.steps-list li.failed-call { border-color: #f0d2ac; }

/* false_claim is the most visually arresting verdict */
#replayBody.false-claim .step-call .ok-badge.ok { color: var(--v-alarm); }
#replayBody.false-claim .steps-list li.fault {
  border-color: var(--v-alarm);
  background: #fcebeb;
  box-shadow: 0 0 0 1px rgba(185,28,28,0.3) inset, 0 6px 20px rgba(185,28,28,0.1);
}
#replayBody.false-claim .steps-list li.claim {
  border-color: #efb9b9;
  background: #fdf3f3;
}
#replayBody.false-claim .steps-list li.fault .step-note { color: var(--v-alarm); font-weight: 600; }
#replayBody.false-claim .fault-tag { background: #fbe3e3; }

/* methodology */
.method-list { margin: 0; padding-left: 18px; color: var(--muted); }
.method-list li { margin-bottom: 10px; }
.method-list strong { color: var(--ink); }
.method-list code { font-family: var(--mono); font-size: 12.5px; color: var(--accent); background: var(--accent-soft);
  padding: 2px 6px; border-radius: 5px; }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 22px 32px; display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 8px; color: var(--faint); font-size: 12.5px; max-width: 940px; margin: 0 auto; }

.kind-illustrative { /* hook for illustrative styling if needed */ }