/* Social-card design system: near-black ground, JetBrains Mono, lime = right, coral = wrong or
   harmful, English blue, Twi orange, Twi–English teal. One deliberate dark look. */
:root {
  --bg: #121212; --panel: #171717; --panel-2: #1c1c1c; --line: #2e2e2e; --grid: #232323;
  --ink: #f2f2f2; --ink-2: #c9c9c9; --muted: #8f8f8f;
  --good: #b8f04a; --harm: #ff5a3c;
  --en: #3987e5; --tw: #d95926; --mix: #2fa39e;
  --act: #a78bfa;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 64px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 13px/1.55 var(--mono); }
a { color: var(--ink); }
h1 { font-size: clamp(22px, 3.4vw, 30px); line-height: 1.2; margin: 0; letter-spacing: -0.01em; text-wrap: balance; }
h2 { font-size: 18px; margin: 0; text-wrap: balance; }
h3 { font-size: 14px; margin: 0; }
p { margin: 0; }
.def { color: var(--muted); font-size: 12px; max-width: 96ch; }
.top { position: sticky; top: 0; z-index: 30; background: rgba(18, 18, 18, 0.94); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); padding-top: env(safe-area-inset-top, 0px); }
.top-inner { max-width: 1320px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; padding-block: 10px;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.brand { font-weight: 700; text-decoration: none; letter-spacing: 0.02em; }
nav { display: flex; flex-wrap: wrap; gap: 4px 14px; flex: 1; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--ink); }
main { max-width: 1320px; margin: 0 auto; display: flex; flex-direction: column; gap: 56px; padding-block: 28px 64px;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
section { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.head { display: flex; flex-direction: column; gap: 10px; }
.facts { color: var(--ink-2); }
.langkey, .legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 12px; color: var(--ink-2); align-items: center; }
.legend span, .langkey span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { display: inline-block; width: 16px; height: 0; border-top: 2px solid; }
.sw { width: 11px; height: 11px; flex: none; display: inline-block; }
.toggle { display: inline-flex; border: 1px solid var(--line); }
.toggle button, .seg button { font: inherit; font-size: 12px; color: var(--ink-2); background: transparent; border: 0; padding: 6px 12px; cursor: pointer; }
.toggle button[aria-pressed="true"], .seg button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }
.seg { display: inline-flex; border: 1px solid var(--line); }
button:focus-visible, select:focus-visible, input:focus-visible, canvas:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--good); outline-offset: 2px; }
select, input { font: inherit; font-size: 12px; background: var(--panel); color: var(--ink); border: 1px solid var(--line); padding: 5px 7px; }
.controls { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }
.controls label { display: inline-flex; gap: 6px; align-items: center; }
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.tile { border: 1px solid var(--line); background: var(--panel); padding: 14px; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.tile.center { border-color: var(--mix); }
.tile .big { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }
.tile .lang { display: flex; align-items: center; gap: 8px; color: var(--ink-2); }
.panel { border: 1px solid var(--line); padding: 14px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.scroll { overflow-x: auto; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 400px), 1fr)); gap: 14px; }
.chart-card { margin: 0; border: 1px solid var(--line); padding: 14px; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.chart-card figcaption { font-weight: 500; }
svg text { fill: var(--muted); font: 10.5px var(--mono); }
svg .val { fill: var(--ink-2); }
.tip { position: fixed; pointer-events: none; background: #0b0b0b; border: 1px solid var(--line); padding: 7px 9px; font-size: 11.5px; color: var(--ink); z-index: 50; max-width: min(460px, 90vw); white-space: normal; line-height: 1.45; }
table.grid { border-collapse: collapse; font-variant-numeric: tabular-nums; }
table.grid th, table.grid td { padding: 3px 8px; text-align: left; white-space: nowrap; }
table.grid th { color: var(--muted); font-weight: 400; }
table.grid td.cell { text-align: center; min-width: 74px; color: #0d0d0d; font-weight: 500; }
table.grid tr.cat td { color: var(--muted); padding-top: 10px; font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }
.matrix-wrap { border: 1px solid var(--line); background: #0e0e0e; overflow: auto; max-height: 78vh; }
canvas#matrix { display: block; cursor: crosshair; }
.decision { border: 1px solid var(--line); padding: 14px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.dgrid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; }
.box { border: 1px solid var(--line); background: var(--panel); padding: 10px; min-width: 0; }
.box h4 { margin: 0 0 6px; font-size: 11px; font-weight: 400; color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase; }
.text { white-space: pre-wrap; overflow-wrap: anywhere; color: var(--ink-2); max-height: 240px; overflow: auto; font-size: 12px; }
.moves { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); gap: 10px; }
.chip { display: inline-block; border: 1px solid var(--line); padding: 0 5px; margin: 0 4px 4px 0; white-space: pre; font-size: 12px; }
.chip.r { border-color: var(--good); color: var(--good); }
.chip.h { border-color: var(--harm); color: var(--harm); }
.circuit-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 12px; }
svg#graph { width: 100%; height: 640px; border: 1px solid var(--line); background: #0e0e0e; display: block; }
.pins { border: 1px solid var(--line); padding: 10px; display: flex; flex-direction: column; gap: 8px; max-height: 640px; overflow: auto; }
.mapwrap { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 12px; }
canvas#map { width: 100%; height: 480px; border: 1px solid var(--line); background: #0e0e0e; cursor: grab; display: block; touch-action: none; }
.mapside { border: 1px solid var(--line); padding: 10px; max-height: 480px; overflow: auto; font-size: 12px; }
.mapside button { font: inherit; font-size: 12px; background: none; border: 0; color: var(--ink-2); cursor: pointer; padding: 2px 0; text-align: left; display: block; width: 100%; }
.mapside button:hover { color: var(--ink); }
.dash { border: 1px solid var(--line); padding: 14px; display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: 16px; min-width: 0; }
.dash > p.def { grid-column: 1 / -1; }
.dash .side, .dash .mainc { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.dash .title { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: baseline; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; font-variant-numeric: tabular-nums; }
.kv span:nth-child(odd) { color: var(--muted); }
.ctx { border-bottom: 1px solid var(--grid); padding: 6px 0; line-height: 1.9; overflow-wrap: anywhere; }
.ctx .t { padding: 1px 0; border-radius: 2px; white-space: pre-wrap; }
.ctx .t.peak { outline: 1px solid var(--ink); }
.ctx .meta { color: var(--muted); font-size: 11px; margin-right: 8px; }
.tabs { display: inline-flex; border: 1px solid var(--line); }
.tabs button { font: inherit; font-size: 12px; background: none; color: var(--ink-2); border: 0; padding: 5px 10px; cursor: pointer; }
.tabs button[aria-pressed="true"] { background: var(--panel-2); color: var(--ink); box-shadow: inset 0 -2px 0 var(--sel, var(--ink)); }
.lanes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.lane { border: 1px solid var(--line); padding: 10px; display: flex; flex-direction: column; gap: 4px; min-width: 0; position: relative; }
.lane.center { border-color: var(--mix); }
.lane h3 { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 4px; }
.lane svg.arcs { position: absolute; left: 0; top: 0; pointer-events: none; overflow: visible; }
.step { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 8px; align-items: start; cursor: pointer; padding: 3px 4px 3px 14px; border: 1px solid transparent; }
.step:hover, .step:focus-visible, .step.on { border-color: var(--line); background: var(--panel); outline: none; }
.ring { width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; }
.step .what { font-size: 11.5px; color: var(--ink-2); overflow-wrap: anywhere; }
.step .what b { color: var(--ink); font-weight: 500; }
.detail { border: 1px solid var(--line); background: var(--panel); padding: 12px; font-size: 12px; overflow-wrap: anywhere; color: var(--ink-2); max-height: 420px; overflow: auto; display: flex; flex-direction: column; gap: 8px; }
.sent { border-radius: 2px; padding: 1px 0; }
footer { max-width: 1320px; margin: 0 auto; color: var(--muted); font-size: 11.5px; padding-block: 0 40px;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.loading { color: var(--muted); }
@media (max-width: 900px) {
  .tiles, .lanes, .dgrid, .mapwrap, .circuit-wrap, .dash { grid-template-columns: minmax(0, 1fr); }
  canvas#map { height: 360px; }
  svg#graph { height: 520px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }