:root{--turf:#2f6b3a;--turf-dark:#234f2c;--turf-light:#3f8a4c;--ink:#1c2a22;--muted:#5f6d66;--paper:#f7f4ea;--card:#ffffff;--line:#e2e4da;--gold:#c99a2e;--gold-soft:#fff6dd;--silk:#b8452b;--shadow:0 10px 30px rgba(28,42,34,.08)}
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;overflow-x:hidden}
  a{color:var(--turf)}
  .disp{font-family:"Bebas Neue","Oswald","Arial Narrow",Impact,sans-serif;font-weight:400;letter-spacing:.02em}
  header.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;background:rgba(247,244,234,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
  .brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);min-width:0}
  .brand svg{width:32px;height:32px;flex:none}
  .brand span{font-family:"Bebas Neue","Oswald","Arial Narrow",Impact,sans-serif;font-size:23px;letter-spacing:.04em;line-height:1;white-space:nowrap}
  header.top nav{display:flex;gap:14px;flex:none}
  header.top nav a{font-size:14px;font-weight:600;text-decoration:none;color:var(--muted);white-space:nowrap}
  header.top nav a:hover{color:var(--turf)}
  main{max-width:1080px;margin:0 auto;padding:16px 14px 60px}
  h1{font-family:"Bebas Neue","Oswald","Arial Narrow",Impact,sans-serif;font-weight:400;font-size:clamp(34px,6vw,54px);line-height:.95;margin:0;letter-spacing:.02em}
  h1 small{display:block;font:700 12px/1.4 system-ui,sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--silk);margin-bottom:4px}
  .sub{color:var(--muted);margin:6px 0 12px;font-size:15.5px;max-width:60ch}
  .track-wrap{position:relative;background:#1f3d27;border-radius:16px;padding:10px;overflow:hidden;box-shadow:var(--shadow)}
  canvas{display:block;width:100%;height:auto;border-radius:10px;background:var(--turf)}
  .track-wrap:fullscreen{background:#0f2416;border-radius:0;padding:10px 12px 0;display:flex;flex-direction:column;align-items:center;justify-content:flex-start}
  .fsui{display:none;position:absolute;left:0;right:0;bottom:0;height:66px;align-items:center;gap:10px;padding:0 16px;background:rgba(10,26,16,.92);color:#fff}
  .track-wrap:fullscreen .fsui{display:flex}
  .fsui .fstatus{flex:1;min-width:0;font-family:"Bebas Neue","Oswald",Impact,sans-serif;font-size:26px;letter-spacing:.03em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .fsui .btn{width:auto;margin:0;padding:10px 14px;font-size:15px}
  .banner{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:rgba(20,32,24,.93);color:#fff;border:2px solid var(--gold);border-radius:16px;padding:16px 26px;text-align:center;max-width:min(92%,640px);box-shadow:0 20px 50px rgba(0,0,0,.4);z-index:2}
  .banner[hidden]{display:none}
  .banner .w{font-family:"Bebas Neue","Oswald",Impact,sans-serif;font-size:clamp(28px,5vw,54px);letter-spacing:.03em;line-height:1.05;color:#ffd97a;overflow-wrap:anywhere}
  .banner .m{font-size:clamp(13px,2vw,18px);color:#e8ede7;margin-top:6px;overflow-wrap:anywhere}
  .banner .x{position:absolute;top:6px;right:10px;background:none;border:0;color:#bbb;font-size:20px;cursor:pointer}
  .bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:12px}
  .bar .btn{width:auto;margin:0}
  .bar .field{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--muted);font-weight:600}
  .bar select,.bar input[type=number]{width:auto;padding:9px 10px;font:16px system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;border:1px solid var(--line);border-radius:10px;background:#fbfaf6}
  .bar input[type=number]{width:74px}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 18px;font:700 16px system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;cursor:pointer;width:100%;margin-top:12px;transition:transform .06s ease,background .15s ease;white-space:nowrap}
  .btn:active{transform:translateY(1px)}
  .btn.primary{background:var(--turf);color:#fff;box-shadow:0 6px 16px rgba(47,107,58,.28)}
  .btn.primary.big{font-size:18px;padding:14px 26px}
  .btn.primary:hover{background:var(--turf-dark)}
  .btn.ghost{background:#fff;border:1px solid var(--line);color:var(--ink);font-weight:600}
  .btn.ghost:hover{border-color:#c9ccc0}
  .btn.quiet{background:transparent;border:1px solid transparent;color:var(--muted);font-weight:600}
  .btn.quiet:hover{border-color:var(--line);color:var(--ink)}
  .btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}
  .status{font-family:"Bebas Neue","Oswald","Arial Narrow",Impact,sans-serif;font-size:24px;letter-spacing:.03em;margin:10px 0 0;min-height:30px;overflow-wrap:anywhere}
  .results{margin-top:8px;min-width:0}
  .results .toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
  .results .toolbar .btn{width:auto;margin:0;padding:9px 14px;font-size:14px}
  .results ol{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:6px}
  .results li{display:flex;align-items:center;gap:10px;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;min-width:0}
  .results li .nm{min-width:0;overflow-wrap:anywhere;word-break:break-word}
  .results li.win{border-color:var(--gold);background:var(--gold-soft)}
  .results li:first-child.win{box-shadow:0 0 0 2px var(--gold) inset}
  .results .rank{font-weight:800;min-width:34px;text-align:center;font-size:18px;flex:none}
  .results .chip{width:14px;height:14px;border-radius:4px;flex:none}
  .num{color:var(--muted);font-size:12px;font-weight:700}
  .winlbl{margin-left:auto;font-size:11px;letter-spacing:.1em;color:#8a6a10;font-weight:800;flex:none}
  .mg{color:var(--muted);font-size:13px;font-weight:600;margin-left:6px;white-space:nowrap}
  .setup{margin-top:18px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 280px;gap:18px;align-items:start}
  @media (max-width:760px){.setup{grid-template-columns:1fr}}
  label{display:block;font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 6px}
  textarea{width:100%;min-height:150px;resize:vertical;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:#fbfaf6}
  textarea:focus,select:focus,input:focus{outline:2px solid var(--turf-light);outline-offset:1px}
  .hint{font-size:14px;color:var(--muted);margin:6px 0 0}
  .hint.err{color:var(--silk);font-weight:700}
  .toggle{display:flex;align-items:center;gap:8px;font-size:15px;color:var(--muted);margin-top:4px}
  .settings .btn{margin-top:8px;padding:10px 14px}
  .steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:30px 0 0}
  .step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px;display:flex;gap:12px;align-items:flex-start}
  .step .n{font-family:"Bebas Neue","Oswald",Impact,sans-serif;font-size:30px;line-height:1;color:var(--turf);min-width:26px}
  .step b{display:block;margin-bottom:2px}
  .step p{margin:0;color:var(--muted);font-size:14px}
  section.copy{max-width:72ch;margin-top:40px}
  section.copy h2{font-family:"Bebas Neue","Oswald","Arial Narrow",Impact,sans-serif;font-weight:400;font-size:32px;letter-spacing:.02em;margin:34px 0 8px}
  .cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:12px 0}
  .card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
  .card b{display:block;margin-bottom:4px}
  .card .ic{font-size:22px;display:block;margin-bottom:6px}
  details{border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:8px 0;background:var(--card)}
  summary{cursor:pointer;font-weight:700}
  .cta{background:var(--gold-soft);border:1px solid var(--gold);border-radius:14px;padding:16px 18px;margin:30px 0}
  footer{border-top:1px solid var(--line);margin-top:40px;padding:20px 16px;color:var(--muted);font-size:13.5px;text-align:center}
  footer a{color:var(--muted);margin:0 8px}
  @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
  @media print{header.top,.hero,.track-wrap,.bar,.setup,.steps,section.copy,footer,.results .toolbar{display:none!important}.results{display:block!important}body{background:#fff}}

  /* --- skin overrides: only what touches the course itself --- */
  body[data-skin="duck"] .track-wrap{background:#0e3a4b}
  body[data-skin="duck"] canvas{background:#17627f}
  body[data-skin="duck"] .track-wrap:fullscreen{background:#07222c}
  body[data-skin="car"] .track-wrap{background:#1c1e22}
  body[data-skin="car"] canvas{background:#2a2c31}
  body[data-skin="car"] .track-wrap:fullscreen{background:#101114}
  body[data-skin="marble"] .track-wrap{background:#5d4526}
  body[data-skin="marble"] canvas{background:#b8946a}
  body[data-skin="marble"] .track-wrap:fullscreen{background:#3b2c18}