/* Design tokens and the shared UI system.
 *
 * The chassis every game page on this site is built in: palette, type scale,
 * panels, controls, readouts and the long-form article styles. A game adds
 * only what is unique to its own visualisation.
 *
 * Colour note: --oxide, --muted and --verdigris are tuned for canvas fills.
 * Anywhere a colour carries TEXT, use the -t variants, which clear WCAG AA
 * against both chassis shades. The plain ones do not.
 */

:root{
  --chassis:#31372F;
  --chassis-2:#3D453A;
  --chassis-3:#4A5347;
  --readout:#E8E4D9;
  --signal:#E0A526;
  --oxide:#B4472F;
  --verdigris:#6D9B8F;
  --muted:#ACB2A7;
  --muted-dim:#8A9185;
  --oxide-t:#F0A08D;
  --verdigris-t:#93BCB0;
  --line:rgba(232,228,217,.14);
  --line-2:rgba(232,228,217,.28);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--chassis);
  color:var(--readout);
  font-family:'Archivo',system-ui,-apple-system,sans-serif;
  font-size:15px;
  line-height:1.55;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}

/* screws / panel texture, very quiet */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    repeating-linear-gradient(0deg,rgba(0,0,0,.14) 0 1px,transparent 1px 3px);
  opacity:.5;
}
.wrap{position:relative;z-index:1;max-width:1240px;margin:0 auto;padding:0 20px 72px}

/* ---------- type utilities ---------- */
.eyebrow{
  font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;color:var(--muted);
}
.mono{font-family:'JetBrains Mono',monospace;font-variant-numeric:tabular-nums}
.panel-label{
  font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:700;
  letter-spacing:.2em;text-transform:uppercase;color:var(--muted);
  display:flex;align-items:center;gap:10px;margin-bottom:14px;
}
.panel-label::after{content:"";flex:1;height:1px;background:var(--line)}

/* ---------- masthead ---------- */
.masthead{padding:56px 0 40px;border-bottom:1px solid var(--line-2)}
.masthead .eyebrow{margin-bottom:20px}
h1{
  font-family:'Archivo Black',sans-serif;
  font-size:clamp(38px,7.4vw,78px);
  line-height:.94;letter-spacing:-.025em;text-transform:uppercase;
}
h1 .drain{color:var(--signal);display:block}
.thesis{
  max-width:60ch;margin-top:24px;font-size:17px;color:#CFCDC2;
}
.thesis strong{color:var(--readout);font-weight:600}

/* ---------- layout ---------- */
.stage{display:grid;grid-template-columns:290px 1fr;gap:28px;padding-top:36px}
@media(max-width:900px){.stage{grid-template-columns:1fr}}

.panel{
  background:var(--chassis-2);
  border:1px solid var(--line);
  border-radius:3px;
  padding:18px;
}
.rail{display:flex;flex-direction:column;gap:16px;align-self:start}
@media(min-width:901px){.rail{position:sticky;top:20px;max-height:calc(100vh - 40px);overflow-y:auto}}
.main-col{display:flex;flex-direction:column;gap:20px;min-width:0}

/* ---------- controls ---------- */
.ctrl{margin-bottom:16px}
.ctrl:last-child{margin-bottom:0}
.ctrl-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:7px}
.ctrl-name{font-size:12.5px;font-weight:600;letter-spacing:.01em}
.ctrl-val{font-family:'JetBrains Mono',monospace;font-size:12.5px;font-weight:700;color:var(--signal);font-variant-numeric:tabular-nums}
.ctrl-note{font-size:11px;color:var(--muted);margin-top:5px;line-height:1.4}
.ctrl-note.warn{color:var(--oxide-t);font-weight:600}

input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:18px;background:transparent;cursor:pointer;display:block;
}
input[type=range]::-webkit-slider-runnable-track{height:2px;background:var(--line-2);border-radius:0}
input[type=range]::-moz-range-track{height:2px;background:var(--line-2)}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;width:13px;height:13px;margin-top:-5.5px;
  background:var(--signal);border-radius:50%;border:2px solid var(--chassis-2);
}
input[type=range]::-moz-range-thumb{
  width:13px;height:13px;background:var(--signal);border-radius:50%;border:2px solid var(--chassis-2);
}
input[type=range]:focus-visible{outline:2px solid var(--signal);outline-offset:4px}

.btn{
  font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;
  background:transparent;color:var(--readout);
  border:1px solid var(--line-2);border-radius:2px;
  padding:11px 12px;cursor:pointer;width:100%;
  transition:background .14s,border-color .14s,color .14s;
}
.btn:hover{background:rgba(232,228,217,.07);border-color:var(--readout)}
.btn:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
.btn.primary{background:var(--signal);color:#26261C;border-color:var(--signal)}
.btn.primary:hover{background:#EFB63B;border-color:#EFB63B}
.btn-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.btn-stack{display:flex;flex-direction:column;gap:8px}

.toggle{
  display:flex;align-items:center;gap:10px;cursor:pointer;
  padding:9px 0;border-top:1px solid var(--line);
}
.toggle input{
  appearance:none;-webkit-appearance:none;
  width:34px;height:18px;border-radius:9px;background:var(--chassis-3);
  border:1px solid var(--line-2);position:relative;cursor:pointer;flex:none;transition:background .16s;
}
.toggle input::after{
  content:"";position:absolute;top:2px;left:2px;width:12px;height:12px;border-radius:50%;
  background:var(--muted);transition:transform .16s,background .16s;
}
.toggle input:checked{background:rgba(180,71,47,.4);border-color:var(--oxide)}
.toggle input:checked::after{transform:translateX(16px);background:var(--oxide)}
.toggle input:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
.toggle-txt{font-size:12.5px;font-weight:600}

/* ---------- readouts ---------- */
.readout-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden;
}
@media(max-width:620px){.readout-strip{grid-template-columns:repeat(2,1fr)}}
.rd{background:var(--chassis-2);padding:13px 14px}
.rd-k{font-family:'JetBrains Mono',monospace;font-size:9.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.rd-v{font-family:'JetBrains Mono',monospace;font-size:23px;font-weight:700;margin-top:5px;font-variant-numeric:tabular-nums;line-height:1}
.rd-v.sig{color:var(--signal)}
.rd-v.ox{color:var(--oxide-t)}
.rd-v.vd{color:var(--verdigris)}
.rd-sub{font-size:10.5px;color:var(--muted);margin-top:4px}

canvas{display:block;width:100%;border-radius:2px}

/* ---------- validation ---------- */
.two-up{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:820px){.two-up{grid-template-columns:1fr}}
.vrow{
  display:grid;grid-template-columns:1fr auto auto;gap:12px;align-items:baseline;
  padding:10px 0;border-bottom:1px solid var(--line);font-size:12.5px;
}
.vrow:last-child{border-bottom:0}
.vrow .vt{color:#CFCDC2}
.vrow .vtar{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--muted)}
.vrow .vv{font-family:'JetBrains Mono',monospace;font-weight:700;font-variant-numeric:tabular-nums}
.ok{color:var(--verdigris-t)}
.no{color:var(--oxide-t)}
.pending{color:var(--muted)}


/* ---------- long-form sections ---------- */
.sect{margin-top:68px;padding-top:36px;border-top:1px solid var(--line-2)}
.sect h2{
  font-family:'Archivo Black',sans-serif;font-size:clamp(25px,3.8vw,40px);
  text-transform:uppercase;letter-spacing:-.022em;line-height:1;margin:14px 0 16px;
}
.sect h3{
  font-family:'Archivo',sans-serif;font-size:16px;font-weight:600;letter-spacing:.005em;
  margin:34px 0 10px;color:var(--signal);
}
.sect p{max-width:66ch;color:#C6C4BA;margin-bottom:14px}
.sect .lede{font-size:16.5px;color:#D6D3C8;max-width:68ch;margin-bottom:26px}
.sect .lede.tight{font-size:15px;margin-bottom:18px}
.sect .lede.last{margin-bottom:0}
.sect b{color:var(--readout);font-weight:600}
.sect em{color:var(--readout);font-style:italic}

/* payoff equation */

/* dilemma number line */

@media(max-width:700px){.bounds{grid-template-columns:1fr}}

/* player type cards */
@media(max-width:1000px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.card-grid{grid-template-columns:1fr}}

/* experiments */
@media(max-width:820px){.try{grid-template-columns:1fr}}

/* philosophy */

/* references */

/* ---------- seed box ---------- */
.seedbox{
  width:100%;background:rgba(0,0,0,.22);border:1px solid var(--line-2);border-radius:2px;
  color:var(--signal);font-size:13px;font-weight:700;padding:9px 10px;letter-spacing:.02em;
}
.seedbox:focus{outline:2px solid var(--signal);outline-offset:1px;border-color:var(--signal)}

/* ---------- validation rows ---------- */
.vnote{font-size:10.5px;color:var(--muted);letter-spacing:.01em}


/* ---------- shared page furniture ----------
   These were mis-filed into one game's stylesheet during the first
   extraction, so every page built afterwards rendered without them:
   the screen-reader live region showed on screen, the skip link never
   hid, and preset buttons fell back to browser grey. Shared means core. */
 * Everything structural lives in core/tokens.css.
 */
.squeeze{margin-top:38px;background:var(--chassis-2);border:1px solid var(--line);border-radius:3px;padding:22px}
.try{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:3px;overflow:hidden}
.try-i{background:var(--chassis-2);padding:17px 18px}
.try-do{font-size:13.5px;font-weight:600;color:var(--readout);margin-bottom:7px}
.try-do b{color:var(--signal)}
.try-so{font-size:12.5px;color:var(--muted);line-height:1.55}
.phil .pull{
  font-family:'Archivo Black',sans-serif;text-transform:uppercase;
  font-size:clamp(17px,2.7vw,25px);line-height:1.12;letter-spacing:-.015em;
  color:var(--signal);max-width:22ch;margin:26px 0 26px;
  padding-left:20px;border-left:3px solid var(--oxide);
}
.reflist{list-style:none;counter-reset:r;max-width:80ch}
.reflist li{
  counter-increment:r;position:relative;padding:11px 0 11px 40px;
  border-bottom:1px solid var(--line);font-size:13px;color:#C6C4BA;line-height:1.55;
}
.reflist li::before{
  content:counter(r,decimal-leading-zero);position:absolute;left:0;top:12px;
  font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:700;color:var(--muted);letter-spacing:.06em;
}
.reflist i{color:var(--readout);font-style:italic}
.insp{margin-top:16px;padding-top:15px;border-top:1px solid var(--line)}
.insp-empty{font-size:11.5px;color:var(--muted);line-height:1.5}
.insp-head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.insp-id{font-size:9.5px;font-weight:700;letter-spacing:.18em;color:var(--muted)}
.insp-x{background:none;border:0;color:var(--muted);font-size:18px;line-height:1;cursor:pointer;padding:0 2px}
.insp-x:hover{color:var(--readout)}
.insp-x:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
.insp-type{font-size:16px;font-weight:600;margin-top:5px;line-height:1.15}
.insp-role{font-size:11.5px;color:var(--muted);margin-top:2px}
.insp-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:2px;overflow:hidden;margin-top:13px}
@media(max-width:620px){.insp-stats{grid-template-columns:repeat(2,1fr)}}
.insp-stats>div{background:var(--chassis-2);padding:9px 10px;display:flex;flex-direction:column;gap:3px}
.ik{font-size:9.5px;color:var(--muted);letter-spacing:.02em}
.iv{font-size:15px;font-weight:700;color:var(--readout)}
.iv.ox{color:var(--oxide-t)}
.spk-wrap{margin-top:13px}
.spk{display:flex;align-items:flex-end;gap:2px;height:44px;
  border-bottom:1px solid var(--line-2);padding-bottom:1px}
.spk-b{flex:1;min-width:2px;background:var(--signal);opacity:.8;border-radius:1px 1px 0 0}
.spk-cap{font-size:8.5px;font-weight:700;letter-spacing:.14em;color:var(--muted);margin-top:6px}
.phase-bar{height:2px;background:var(--line);margin-top:10px;border-radius:1px;overflow:hidden}
.phase-prog{height:100%;width:0%;background:var(--signal);transition:width .1s linear}

footer{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);font-size:11.5px;color:var(--muted);line-height:1.7}
footer a{color:#CFCDC2}


.panel-label .hint-tag,.sub-label .hint-tag{
  font-family:'Archivo',sans-serif;font-size:10px;font-weight:500;letter-spacing:.02em;
  text-transform:none;color:#C6C4BA;margin-left:2px}
@media(max-width:620px){.probe{flex-wrap:wrap;gap:9px}.probe-lab{width:100%}}

.ghostbar{display:none;align-items:center;gap:9px;margin-bottom:11px;
  font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--muted)}
.ghostbar.on{display:flex}
.ghostbar .gline{width:22px;height:0;border-top:2px dashed rgba(232,228,217,.5);flex:none}
.ghostbar b{color:#CFCDC2;font-weight:700}
.ghostbar button{background:none;border:0;color:var(--muted);cursor:pointer;
  font-family:inherit;font-size:10px;text-decoration:underline;padding:2px 4px}
.ghostbar button:hover{color:var(--readout)}
.ghostbar button:focus-visible{outline:2px solid var(--signal);outline-offset:2px}

.sub-label{font-family:'JetBrains Mono',monospace;font-size:9.5px;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;color:var(--muted);
  margin:20px 0 9px;display:flex;align-items:center;gap:10px}
.sub-label::after{content:"";flex:1;height:1px;background:var(--line)}
.phase-read{display:flex;gap:18px;flex-wrap:wrap;margin-top:11px;
  font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--muted);min-height:16px}
.phase-read b{color:var(--signal);font-weight:700}
.phase-read .hint{color:var(--readout)}

.presets{display:flex;flex-wrap:wrap;gap:7px;align-items:center;margin-bottom:16px}
.pre-lab{font-family:'JetBrains Mono',monospace;font-size:9.5px;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-right:3px}
.pre{font-size:12px;font-weight:600;color:#CFCDC2;background:var(--chassis-2);
  border:1px solid var(--line-2);border-radius:2px;padding:8px 13px;cursor:pointer;
  transition:background .13s,border-color .13s,color .13s}
.pre:hover{background:rgba(232,228,217,.08);border-color:var(--readout);color:var(--readout)}
.pre[aria-pressed="true"]{background:var(--signal);border-color:var(--signal);color:#26261C}
.pre:focus-visible{outline:2px solid var(--signal);outline-offset:2px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0;z-index:60;background:var(--signal);color:#26261C;
  padding:11px 18px;font-weight:700;font-size:13px;border-radius:0 0 3px 0;text-decoration:none}
.skip:focus{left:0}
.picker{display:flex;flex-wrap:wrap;gap:5px;margin-top:15px}
.pk{width:30px;height:30px;border-radius:3px;border:1px solid var(--line-2);background:transparent;
  color:var(--pkc,var(--muted));font:700 10px/1 'JetBrains Mono',monospace;cursor:pointer;
  display:flex;align-items:center;justify-content:center;padding:0;
  transition:background .12s,border-color .12s}
.pk:hover{border-color:var(--pkc,var(--readout))}
.pk[aria-pressed="true"]{background:var(--readout);color:#26261C;border-color:var(--readout)}
.pk:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
canvas{touch-action:manipulation}
#c-chart,#c-agents{touch-action:pan-y}
#c-chart,#c-agents,#c-phase{cursor:crosshair}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

/* ---------- verdict panel: what the run currently amounts to ---------- */
.verdict{margin-top:15px;padding:13px 15px;border-radius:3px;border:1px solid var(--line);
  background:rgba(0,0,0,.14);font-size:13px;line-height:1.5;color:#C6C4BA}
.verdict b{color:var(--readout);font-weight:600}
.verdict.ok{border-left:3px solid var(--verdigris-t)}
.verdict.warn{border-left:3px solid var(--oxide)}
.verdict .v-dim{color:var(--muted)}

/* ---------- small legend under a canvas ---------- */
.legend2{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:14px;font-size:11.5px;color:#C6C4BA}
.legend2 span{display:flex;align-items:center;gap:7px}
.legend2 i{width:11px;height:11px;border-radius:2px;flex:none;display:block}

/* ---------- an inset aside inside a long-form section ---------- */
.squeeze{margin-top:38px;background:var(--chassis-2);border:1px solid var(--line);
  border-radius:3px;padding:22px}
@media(max-width:560px){.squeeze{padding:16px}}

/* ---------- a caption line with a figure pinned to the right ---------- */
.figrow{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:baseline;margin-top:12px}
.figrow .fignum{font-family:'JetBrains Mono',monospace;font-size:17px;font-weight:700;color:var(--signal);white-space:nowrap}
@media(max-width:520px){.figrow{grid-template-columns:1fr;gap:6px}}