:root{
  /* shared with the landing page / pit wall */
  --bg:#EDE8DD; --bg-2:#E7E1D4; --card:#F7F3EA; --card-2:#FCEFE6;
  --line:#211D17; --line-soft:#C9C0AE;
  --ink:#211D17; --ink-2:#5C554A; --ink-3:#8C8475; --ink-4:#B8AE9C;
  --accent:#B4471F; --accent-ink:#8F371A; --live:#2E6F4F;
  --green:#2E6F4F; --yellow:#B07A12; --red:#C0392B; --blue:#2E5FA3; --sc:#7A5BB0;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);color:var(--ink);
  font-family:'Plus Jakarta Sans',system-ui,sans-serif;line-height:1.5;
  min-height:100dvh;-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(1200px 600px at 50% -10%,rgba(180,71,31,0.05),transparent 70%);
}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px 88px;}
a{color:inherit;}
::selection{background:var(--accent);color:#fff;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px;}

/* ---------- top rule ---------- */
.toprule{max-width:1180px;margin:0 auto;padding:18px 24px;display:flex;justify-content:space-between;align-items:center;border-bottom:1.5px solid var(--line);}
.toprule .name{font-size:13px;font-weight:700;letter-spacing:0.04em;text-decoration:none;color:var(--ink);}
.toprule-nav{display:flex;gap:16px;align-items:center;}
.toprule .back{font-size:12px;color:var(--ink-2);font-weight:600;text-decoration:none;border-bottom:1.5px solid transparent;transition:border-color .15s,color .15s;}
.toprule .back:hover{color:var(--accent);border-color:var(--accent);}
@media(max-width:520px){.toprule .back{font-size:11px;}}

/* ---------- hero / intro ---------- */
.intro{padding:48px 0 8px;max-width:680px;}
.intro .eyebrow{font-family:'Newsreader',serif;font-style:italic;font-size:18px;color:var(--accent);margin-bottom:16px;}
h1{font-size:clamp(38px,7vw,64px);font-weight:800;letter-spacing:-0.045em;line-height:0.96;margin-bottom:18px;}
.lede{font-family:'Newsreader',serif;font-size:clamp(17px,2.4vw,21px);line-height:1.5;color:var(--ink-2);max-width:600px;}

/* ---------- controls ---------- */
.sim-controls{margin:34px 0 20px;display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;padding:16px 18px;border:1.5px solid var(--line);background:var(--card);border-radius:4px;}
.sim-grp{display:flex;align-items:center;gap:8px;}
.sim-grp--status{margin-left:auto;gap:16px;}
.sim-lbl{font-size:10px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:var(--ink-3);}
.sim-btn{font-family:'Plus Jakarta Sans',sans-serif;font-size:12px;font-weight:700;letter-spacing:0.03em;color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:999px;padding:7px 14px;cursor:pointer;transition:border-color .15s,background .15s,color .15s;}
.sim-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--card-2);}
.sim-btn--play{background:var(--accent);color:#fff;border-color:var(--accent);}
.sim-btn--play:hover{background:var(--accent-ink);color:#fff;border-color:var(--accent-ink);}
.sim-speed{padding:7px 11px;min-width:40px;}
.sim-speed.is-active{background:var(--ink);color:var(--bg);border-color:var(--ink);}
.sim-seed{font-family:var(--mono);font-size:12px;color:var(--ink);background:var(--bg);border:1.5px solid var(--line-soft);border-radius:6px;padding:7px 10px;width:120px;}
.sim-seed:focus{border-color:var(--accent);outline:none;}
.sim-lap{font-family:var(--mono);font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;}
.sim-lap b{color:var(--ink);font-weight:700;}
.sim-state{font-size:11px;font-weight:700;letter-spacing:0.06em;text-transform:uppercase;padding:5px 11px;border-radius:999px;border:1.5px solid var(--line-soft);color:var(--ink-2);white-space:nowrap;}
.sim-state--ready{color:var(--blue);border-color:var(--blue);}
.sim-state--done{color:var(--live);border-color:var(--live);background:rgba(46,111,79,0.08);}
.sim-state--error{color:var(--red);border-color:var(--red);background:rgba(192,57,43,0.08);}

/* ---------- main: stage + tower ---------- */
.sim-main{display:grid;grid-template-columns:1fr;gap:18px;}
@media(min-width:880px){.sim-main{grid-template-columns:minmax(0,1fr) 340px;}}
.sim-stage{position:relative;height:min(64vh,560px);min-height:380px;border:1.5px solid var(--line);border-radius:4px;overflow:hidden;background:var(--bg-2);touch-action:none;}
.sim-stage canvas{display:block;width:100%;height:100%;}
.sim-tower{display:flex;flex-direction:column;gap:10px;}
.sim-h{font-size:13px;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--ink);}
.sim-hint{font-family:'Newsreader',serif;font-style:italic;font-size:13px;color:var(--ink-3);line-height:1.45;}
.sim-hint code{font-family:var(--mono);font-style:normal;font-size:11px;background:var(--bg-2);padding:1px 5px;border-radius:3px;}
.sim-note{font-family:'Newsreader',serif;font-size:15px;color:var(--ink-2);padding:18px;}

/* ---------- leaderboard ---------- */
.lb{width:100%;border-collapse:collapse;font-size:12.5px;border:1.5px solid var(--line);border-radius:4px;overflow:hidden;background:var(--card);}
.lb thead th{text-align:left;font-size:9px;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--ink-3);padding:9px 8px;border-bottom:1.5px solid var(--line);background:var(--bg-2);}
.lb td{padding:7px 8px;border-bottom:1px solid var(--line-soft);vertical-align:middle;}
.lb tbody tr:last-child td{border-bottom:none;}
.lb-row--pit{background:rgba(180,71,31,0.07);}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;}
.lb-pos{width:26px;font-family:var(--mono);font-weight:700;color:var(--ink-3);text-align:center;}
.lb-drv{font-family:var(--mono);font-weight:700;letter-spacing:0.02em;white-space:nowrap;}
.lb-chip{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:7px;vertical-align:middle;}
.lb-int{font-size:12px;color:var(--ink-2);}
.lb-cmp{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border:1.5px solid var(--ink-3);border-radius:50%;font-family:var(--mono);font-size:10px;font-weight:700;}
.lb-life{white-space:nowrap;}
.lb-bar{display:inline-block;width:46px;height:7px;border-radius:4px;background:var(--bg-2);overflow:hidden;vertical-align:middle;margin-right:6px;}
.lb-bar-fill{display:block;height:100%;background:var(--green);border-radius:4px;}
.lb-bar-fill.warn{background:var(--yellow);}
.lb-bar-fill.crit{background:var(--red);}
.lb-life-n{font-size:11px;color:var(--ink-3);}
.lb-pit{font-size:11px;color:var(--ink-3);white-space:nowrap;}

/* ---------- post-race analysis ---------- */
.sim-analysis{margin-top:40px;}
.sim-charts{display:grid;grid-template-columns:1fr;gap:20px;margin-top:18px;}
@media(min-width:760px){.sim-charts{grid-template-columns:1fr 1fr;}}
.sim-chart{border:1.5px solid var(--line);background:var(--card);border-radius:4px;padding:16px;height:300px;display:flex;flex-direction:column;}
.sim-chart h3{font-size:11px;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--ink-2);margin-bottom:10px;}
.sim-chart canvas{flex:1;min-height:0;}

/* ---------- footer ---------- */
footer{margin-top:56px;padding-top:22px;border-top:1.5px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--ink-3);}
footer a{color:var(--accent);text-decoration:none;}
footer a:hover{text-decoration:underline;}

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