:root{color-scheme:light;--ink:#2a2118;--muted:#776a5b;--paper:#f7f3eb;--line:#ded5c7;--gold:#f5c65e;--dark:#241e17;font-family:Arial,Helvetica,sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink)}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.45;cursor:wait}a{color:inherit;text-underline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #007d8a;outline-offset:4px}[hidden]{display:none!important}.app{max-width:1440px;margin:auto;padding:0 40px}.masthead{height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;gap:13px;align-items:center;text-decoration:none;font-size:23px;font-weight:900;letter-spacing:1.5px}.brand img{width:42px;height:42px;object-fit:contain}.edition{display:flex;align-items:center;gap:9px;font-size:11px;font-weight:700;letter-spacing:1.4px;color:var(--muted)}.status-dot{height:7px;width:7px;background:#a77b2d;border-radius:50%}.tag{margin-left:10px;padding:7px 9px;border:1px solid var(--line);border-radius:4px;font-size:10px}.intro{display:flex;align-items:flex-end;justify-content:space-between;gap:35px;padding:27px 0 26px}.eyebrow{margin:0 0 10px;font-size:10px;font-weight:800;letter-spacing:2px;color:#9b6c21}h1{font-size:clamp(25px,2.7vw,38px);letter-spacing:-1.5px;line-height:1.14;margin:0;font-weight:800}.mobile{display:none}.description{color:var(--muted);font-size:13px;line-height:1.7;margin:0 0 2px}.arena{position:relative;background:#665747;aspect-ratio:16/9;max-height:76vh;min-height:310px;overflow:hidden;border-radius:15px;box-shadow:0 15px 40px #38271313;isolation:isolate}.arena:fullscreen{border-radius:0;aspect-ratio:auto;width:100vw;height:100vh;max-height:none}#derby-scene{position:absolute;inset:0;width:100%;height:100%;overflow:hidden}canvas{display:block;width:100%;height:100%}.arena-hud{position:absolute;z-index:2;inset:18px 20px auto;display:flex;justify-content:space-between;pointer-events:none}.hud-chip{background:#191811df;color:#fff;border:1px solid #ffffff1c;padding:11px 14px;border-radius:9px;backdrop-filter:blur(5px)}.hud-chip>span{display:block;font-size:9px;letter-spacing:1.5px;color:#d6c9b5;margin-bottom:5px}.hud-chip strong{display:flex;align-items:center;gap:7px;font-size:19px}.hud-chip small{font-size:12px;font-weight:400;color:#dfd7cd}#pick-dot{display:inline-block;width:13px;height:13px;border:1px solid #fff9;border-radius:3px}#pick-lives{letter-spacing:3px;font-size:11px;color:#8fe075;margin-left:8px}.menu-backdrop{position:absolute;inset:0;z-index:4;display:flex;align-items:center;justify-content:center;padding:20px;background:#1c160d20;backdrop-filter:blur(3px)}.panel{width:450px;max-width:100%;padding:25px 29px;background:#fffaf1f7;border:1px solid #fff8;box-shadow:0 15px 70px #21180d38;border-radius:16px}.panel h2{font-size:26px;line-height:1.1;letter-spacing:-.8px;margin:0 0 10px}.panel-copy{font-size:12px;line-height:1.6;color:var(--muted);margin:0 0 17px}.colour-field{padding:0;border:0;margin:0}.colour-picker{display:grid;grid-template-columns:repeat(6,1fr);gap:7px}.colour-choice{position:relative;display:flex;flex-direction:column;align-items:center;gap:5px;background:#ede6d9;border:2px solid transparent;border-radius:8px;padding:8px 2px;font-size:9px;color:#473b2d}.colour-choice[aria-checked=true]{border-color:#31281d;background:#fff5d8;box-shadow:0 0 0 1px #fff}.colour-swatch{width:23px;height:16px;border-radius:3px;border:1px solid #0002;box-shadow:inset 0 -4px #0002}.colour-choice[aria-checked=true]::after{content:'✓';position:absolute;top:0;right:3px;font-size:10px;font-weight:900}.start-options{display:flex;justify-content:space-between;align-items:center;margin:18px 0;font-size:11px;color:var(--muted)}.start-options label{display:flex;gap:6px;align-items:center}input[type=checkbox]{accent-color:#5b492f}.button{border:0;border-radius:8px;padding:12px 18px;font-size:13px;font-weight:700;min-height:42px}.primary{background:var(--gold);color:#32220b;box-shadow:inset 0 -2px #ad81312b}.start-panel>.button{width:100%}.button:hover{filter:brightness(.97)}.secondary{background:#e8dfd1;color:#483b28}.compact-panel{text-align:center;width:360px;padding:30px}.result-actions{display:flex;flex-direction:column;gap:9px}.text-button{background:none;border:0;padding:6px;color:var(--muted);font-size:12px;text-decoration:underline;text-underline-offset:4px}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:16px 0 20px;border-bottom:1px solid var(--line)}#derby-status{font-size:12px;color:var(--muted);margin:0;min-width:150px}.controls{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.control{border:1px solid var(--line);background:#fff9;padding:8px 11px;border-radius:6px;font-size:11px;min-height:33px;white-space:nowrap}.control:hover{background:#fff}.volume-label{display:flex;align-items:center;gap:7px;font-size:10px;color:var(--muted);margin:0 5px}input[type=range]{width:65px;accent-color:#79613c}.below{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:24px 0 26px}summary{cursor:pointer;font-size:13px;font-weight:700;padding:2px 0}details ul{padding-left:18px;color:var(--muted);font-size:12px;line-height:1.8;max-width:530px}.experiment-note{font-size:12px;line-height:1.7;color:var(--muted)}.experiment-note strong{color:var(--ink);font-size:13px}.experiment-note p{margin:6px 0}.experiment-note a{font-size:11px}.dot-separator{margin:0 8px}footer{display:flex;gap:17px;font-size:9px;letter-spacing:1px;color:#9a8b78;border-top:1px solid var(--line);padding:17px 0 24px}footer span:first-child{letter-spacing:0}#round-code{margin-left:auto;letter-spacing:0}.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}
.arena{width:100%}
@media(max-width:1000px){.app{padding:0 22px}.intro{gap:20px}.description{font-size:11px}.toolbar{align-items:flex-start;flex-direction:column;gap:10px}.controls{width:100%}.panel{padding:22px 25px}.below{gap:25px}.arena{min-height:340px}}
@media(max-width:600px){.app{padding:0 14px}.masthead{height:67px}.brand{font-size:19px;gap:8px}.brand img{width:34px;height:34px}.edition{font-size:8px;letter-spacing:1px;gap:5px}.tag{display:none}.intro{display:block;padding:22px 0 19px}.intro h1{font-size:31px;letter-spacing:-1.1px}.mobile{display:block}.description{font-size:11px;margin-top:12px}.eyebrow{font-size:8px;margin-bottom:8px}.arena{min-height:405px;aspect-ratio:auto;border-radius:11px}.menu-backdrop{padding:12px}.panel{padding:20px 17px;border-radius:12px}.panel h2{font-size:23px}.panel-copy{font-size:11px;margin-bottom:14px}.colour-picker{gap:5px}.colour-choice{font-size:8px;padding:7px 1px}.colour-swatch{width:22px;height:15px}.start-options{margin:15px 0}.arena-hud{inset:10px}.hud-chip{padding:8px 10px}.hud-chip strong{font-size:15px}.hud-chip>span{font-size:8px}.hud-chip small{font-size:10px}.pick-chip strong{gap:5px}#pick-lives{font-size:9px;letter-spacing:1px;margin-left:2px}.toolbar{padding:13px 0 17px}.control{padding:8px 9px}.volume-label{margin:0 2px}.volume-label input{width:48px}.below{grid-template-columns:1fr;gap:21px;padding:23px 0}footer{flex-wrap:wrap;gap:7px 15px}#round-code{width:100%;margin:0}.compact-panel{max-width:300px}}