.racing-game{--race-ink:#293c3b;--race-muted:#65706b;--race-orange:#e87e46;--race-teal:#388b87;color:var(--race-ink);background:#f8f4eb;min-height:100vh;font-family:'DM Sans',sans-serif;padding:0 3vw 32px}.racing-game[hidden]{display:none!important}.racing-game *{box-sizing:border-box}.racing-game button,.racing-game select{font:inherit}.racing-game button{cursor:pointer;touch-action:manipulation}.racing-game button:disabled{cursor:default;opacity:.48}.racing-game button:focus-visible,.racing-game select:focus-visible,.racing-game summary:focus-visible{outline:3px solid #348e8b;outline-offset:4px}.racing-header{max-width:1500px;margin:auto;min-height:90px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #dedbd0}.racing-back,.racing-map-button{background:#fffdf7;border:1px solid #dedbd0;border-radius:30px;padding:13px 18px;font-weight:700!important;color:var(--race-ink)}.racing-brand{font:800 25px 'Outfit',sans-serif;letter-spacing:2px;color:var(--race-orange);text-decoration:none}.racing-brand span{display:block;font:500 11px 'DM Sans',sans-serif;letter-spacing:1.5px;color:var(--race-muted)}.racing-content{max-width:1500px;margin:auto}.racing-content>.racing-title{padding:24px 0 0}.racing-layout{max-width:1500px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1.65fr) minmax(320px,.85fr);gap:32px;align-items:start}.racing-title>span,.racing-console-top>span{font-size:10px;font-weight:800;letter-spacing:2px;color:#7b8371}.racing-title h1{font:600 clamp(30px,3.5vw,52px)/1.05 'Outfit',sans-serif;letter-spacing:-1.3px;margin:12px 0}.racing-title p{font-size:14px;color:var(--race-muted);margin:0 0 24px}.racing-scene{position:relative;overflow:hidden;aspect-ratio:3/2;border-radius:24px;background:#a0b095;box-shadow:0 15px 35px #354b331c}.racing-garage,.racing-road{display:block;width:100%;height:100%;object-fit:cover}.racing-scene-badge{position:absolute;top:14px;left:14px;padding:10px 15px;background:#fffcf0ed;border-radius:30px;box-shadow:0 4px 12px #283a3020;font-size:12px;font-weight:800}.racing-car-key{position:absolute;bottom:14px;right:14px;background:#fffcf0e8;border-radius:20px;padding:8px 12px;font-size:11px;font-weight:700;display:flex;align-items:center;gap:7px}.racing-car-key i{width:11px;height:11px;border-radius:50%;background:#2b9996;border:1px solid #176564}.racing-milestones{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:18px 0}.racing-milestones>span{font-size:11px;display:grid;grid-template-columns:25px 1fr;gap:5px 6px;align-items:center;padding:12px 6px;color:#8e9487;border-top:2px solid #dddcd1}.racing-milestones b{grid-row:span 2;display:grid;place-items:center;border-radius:50%;width:25px;height:25px;background:#e9e7dc;font-size:11px}.racing-milestones small{font-size:9px}.racing-milestones .done{color:#377b70;border-color:#83b7a5}.racing-milestones .done b{color:white;background:#579f88}.racing-milestones .current{color:#af673e;border-color:#e79a6b}.racing-console{margin-top:5px;padding:24px;border:1px solid #e0dfd4;border-radius:24px;background:#fffdf7;box-shadow:0 8px 30px #575a4010}.racing-console-top{display:flex;justify-content:space-between;align-items:center;gap:12px}.racing-console-top strong{white-space:nowrap;font-variant-numeric:tabular-nums;color:#b76b43;font-size:15px}.racing-instructions{font-size:12px;line-height:1.65;color:var(--race-muted);margin:18px 0}.racing-question{background:#f5f2e9;border-radius:18px;padding:18px 10px 8px;text-align:center}.racing-question>span{font-size:9px;letter-spacing:1.8px;color:#89907e;font-weight:800}.racing-equation{font:500 clamp(25px,2.5vw,36px) 'Outfit',sans-serif;margin:16px 0;color:#38483e;white-space:nowrap}.racing-equation b{display:inline-block;min-width:44px;color:#d67b44;border-bottom:2px solid #ddb994}.racing-question p{font-size:11px;line-height:1.5;min-height:34px;margin:5px 0;color:#6c7968}.racing-waiting{margin-bottom:16px}.racing-keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:16px 0 12px}.racing-keypad button{height:51px;border:1px solid #e0dfd6;border-radius:12px;background:#fffef9;font:500 22px 'Outfit',sans-serif;color:#455448;box-shadow:0 3px 0 #eeece2}.racing-keypad button:hover:not(:disabled){background:#f3ebda}.racing-keypad button:active:not(:disabled){transform:translateY(2px);box-shadow:none}.racing-primary{display:block;width:100%;padding:16px;border:0;border-radius:14px;color:white;background:#df834e;box-shadow:0 4px 0 #c66d3a;font-weight:800!important;font-size:13px!important}.racing-primary:hover{background:#d87541}.racing-secondary{display:block;width:100%;margin-top:16px;background:#f7f1e4;border:1px solid #dfd5c4;padding:12px;border-radius:12px;color:#725b43;font-size:12px!important}.racing-tools{display:flex;justify-content:space-between;margin:14px 0 8px}.racing-tools button{border:0;background:none;color:#79836c;font-size:11px;text-decoration:underline;text-underline-offset:3px;padding:8px}.racing-settings{font-size:11px;border-top:1px solid #e8e3d7;margin-top:20px;padding-top:15px;color:#6d7866}.racing-settings summary{cursor:pointer;padding:5px 0;font-weight:700}.racing-settings label{display:grid;grid-template-columns:1fr 1.5fr;gap:10px;align-items:center;margin:12px 0}.racing-settings select{max-width:100%;padding:9px 8px;background:#f7f3e9;border:1px solid #ddd7c9;border-radius:8px;color:#44523f;font-size:11px}.racing-settings small{display:block;line-height:1.5;margin-top:12px}.racing-save{font-size:9px;line-height:1.5;color:#9b9f90;text-align:center;margin:17px 0 0}.racing-result{text-align:center;padding:15px 0}.racing-result>span{display:inline-block;border-radius:20px;background:#e5efe2;color:#528462;font-size:12px;padding:8px 15px}.racing-result h2{font:600 30px/1.12 'Outfit',sans-serif;letter-spacing:-.8px}.racing-result p{font-size:13px;line-height:1.65;color:var(--race-muted);margin-bottom:24px}.racing-map{border:1px solid #e2ddcd;border-radius:24px;padding:28px;max-width:min(900px,92vw);max-height:85vh;background:#fbf8ef;color:var(--race-ink);overflow:auto}.racing-map::backdrop{background:#20372dd0;backdrop-filter:blur(5px)}.racing-dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.racing-dialog-heading h2{font:600 32px 'Outfit',sans-serif;margin:0}.racing-dialog-heading button{border:0;background:#eeeadf;border-radius:50%;width:40px;height:40px;font-size:25px;color:#6a735f}.racing-map>p{font-size:13px;line-height:1.6;max-width:650px;color:var(--race-muted)}.racing-chapters{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}.racing-chapters button{display:flex;flex-direction:column;overflow:hidden;border:1px solid #dcdace;border-radius:15px;background:#fffdf7;padding:0;text-align:left;color:var(--race-ink)}.racing-chapters img{width:100%;aspect-ratio:3/2;object-fit:cover}.racing-chapters span{font:600 17px 'Outfit',sans-serif;padding:13px 13px 7px}.racing-chapters small{padding:0 13px 14px;font-size:10px;line-height:1.4;color:#7f8974}.racing-road [data-car]{will-change:transform}
@media(max-width:1000px){.racing-game{padding:0 22px 28px}.racing-layout{grid-template-columns:minmax(0,1.3fr) minmax(300px,1fr);gap:20px}.racing-console{padding:20px}.racing-title h1{font-size:36px}.racing-milestones>span{grid-template-columns:1fr;text-align:center}.racing-milestones b{grid-row:auto;margin:auto}.racing-scene-badge{font-size:10px;padding:8px 11px}.racing-header{min-height:78px}}
@media(max-width:760px) and (orientation:portrait){.racing-layout{grid-template-columns:1fr;gap:15px;margin-top:0}.racing-console{width:100%;max-width:620px;margin:0 auto}.racing-title h1{font-size:38px}.racing-title p{margin-bottom:18px}.racing-milestones>span{grid-template-columns:25px 1fr;text-align:left}.racing-milestones b{grid-row:span 2}.racing-keypad button{height:58px}.racing-equation{font-size:35px}.racing-chapters{grid-template-columns:repeat(2,1fr)}.racing-brand{font-size:20px}.racing-brand span{font-size:8px}.racing-back,.racing-map-button{padding:11px;font-size:10px!important}.racing-header{gap:8px}.racing-game{padding:0 15px 24px}.racing-console-top>span{font-size:10px}}
@media(max-width:700px) and (orientation:landscape){.racing-layout{grid-template-columns:1fr 290px;gap:15px}.racing-title h1{font-size:28px}.racing-title p{font-size:11px}.racing-console{padding:15px}.racing-keypad button{height:42px}.racing-instructions{font-size:10px}.racing-header{min-height:65px}.racing-brand span{display:none}}
@media(prefers-reduced-motion:reduce){.racing-game *{scroll-behavior:auto!important}}
@keyframes racing-motor{from{transform:translateY(-.45px)}to{transform:translateY(.45px)}}
@media(prefers-reduced-motion:no-preference){.racing-road[data-running="true"] [data-car] image{animation:racing-motor .13s ease-in-out infinite alternate}}
/* Four-digit terms and answers stay inside the tablet console. */
.racing-equation.large-range{font-size:clamp(20px,2.1vw,29px);letter-spacing:-.8px;word-spacing:-2px}.racing-equation.large-range b{min-width:52px}
@media(max-width:760px) and (orientation:portrait){.racing-equation.large-range{font-size:clamp(23px,5.7vw,32px);letter-spacing:-.7px;word-spacing:-1px}}

.racing-primary[data-action="answer"]{background:#2f7d46;box-shadow:0 4px 0 #226035}.racing-primary[data-action="answer"]:hover:not(:disabled){background:#286c3c}

/* CSP-safe opponent colours: no inline style attributes. */
.racing-road [data-car="0"] image{filter:hue-rotate(0deg)}
.racing-road [data-car="1"] image{filter:hue-rotate(65deg)}
.racing-road [data-car="2"] image{filter:hue-rotate(165deg)}
.racing-road [data-car="3"] image{filter:hue-rotate(250deg)}

/* Portrait tablets retain a useful full-width track above the controls. */
@media(orientation:portrait){.racing-layout{grid-template-columns:minmax(0,1fr);gap:18px;margin-top:0}.racing-console{width:100%;max-width:680px;margin:0 auto}.racing-scene{width:100%;aspect-ratio:3/2}.racing-chapters{grid-template-columns:repeat(2,minmax(0,1fr))}}
/* Shared title, then equal-height artwork and input, like Funkeninsel. */
.racing-journey{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 28px;margin-top:18px;padding:18px 22px;border:1px solid #e0dfd4;border-radius:20px;background:#fffdf7}.racing-journey .racing-progress{grid-column:1;grid-row:1;margin-top:0}.racing-journey .racing-milestones{grid-column:1;grid-row:2}.racing-journey .racing-settings{grid-column:2;grid-row:1 / span 2;margin:0;padding:0;border:0}.racing-journey .racing-save{grid-column:1 / -1;margin:0}.racing-settings summary{min-height:44px;display:flex;align-items:center}
@media(orientation:portrait){.racing-journey{grid-template-columns:minmax(0,1fr);gap:0}.racing-journey .racing-progress,.racing-journey .racing-milestones,.racing-journey .racing-settings,.racing-journey .racing-save{grid-column:1;grid-row:auto}.racing-journey .racing-settings{border-top:1px solid #e8e3d7;padding-top:10px;margin-top:4px}.racing-journey .racing-save{margin-top:12px}}
@media(min-width:700px) and (orientation:landscape) and (max-height:1100px){
 .racing-game{min-height:0;padding:0 24px 24px}.racing-header{min-height:56px;gap:12px}.racing-back,.racing-map-button{min-height:44px;padding:9px 13px;font-size:12px!important}.racing-brand{font-size:21px}.racing-brand span{font-size:9px}
 .racing-content>.racing-title{padding:9px 0}.racing-title>span,.racing-title p{display:none}.racing-title h1{font-size:22px;line-height:1.2;margin:4px 0 7px}
 .racing-layout{grid-template-columns:minmax(0,1fr) minmax(460px,1fr);gap:16px;margin-top:0;align-items:stretch}.racing-visual{min-width:0;min-height:0}.racing-scene{height:calc(100dvh - 182px);min-height:310px;aspect-ratio:auto;background:#a0b095}.racing-garage,.racing-road{object-fit:contain}
 .racing-console{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-rows:auto auto 1fr auto;gap:8px 14px;margin:0;padding:14px;min-width:0;min-height:0}.racing-console-top{grid-column:1;grid-row:1;min-height:24px;flex-wrap:wrap;gap:6px}.racing-console-top>span{font-size:9px;letter-spacing:1px}.racing-console-top strong{font-size:13px}
 .racing-instructions{grid-column:1;grid-row:2;font-size:10px;line-height:1.5;margin:0}.racing-question{grid-column:1;grid-row:3;padding:12px 6px 8px;align-self:center}.racing-question>span{font-size:8px;letter-spacing:1px}.racing-equation{font-size:27px;margin:14px 0}.racing-equation.large-range{font-size:22px;letter-spacing:-.7px}.racing-equation b{min-width:36px}.racing-question p{font-size:10px;min-height:40px;margin:0}.racing-waiting{margin:0}
 .racing-answer-controls{grid-column:2;grid-row:1 / span 4;align-self:center;min-width:0}.racing-keypad{gap:6px;margin:0}.racing-answer-controls>.racing-primary{margin-top:8px;min-height:44px;padding:10px;font-size:11px!important}.racing-keypad button{height:44px;font-size:22px}.racing-console>.racing-primary{grid-column:2;grid-row:4;min-height:44px;padding:10px;font-size:11px!important}.racing-tools{grid-column:1;grid-row:4;margin:0;align-self:center;gap:3px}.racing-tools button{min-height:44px;font-size:10px;padding:4px}.racing-console>.racing-primary[data-action="start"]{grid-row:2 / span 3;align-self:center}.racing-result{grid-column:1 / -1;grid-row:3 / span 2}.racing-result .racing-primary,.racing-result .racing-secondary{min-height:44px}
 .racing-milestones{gap:5px;margin:10px 0}.racing-milestones>span{grid-template-columns:22px 1fr;text-align:left;padding:9px 3px;font-size:10px}.racing-milestones b{grid-row:span 2;width:22px;height:22px}.racing-milestones small{font-size:8px}
}
@media(min-width:700px) and (orientation:landscape) and (max-height:650px){.racing-console{padding:10px;gap:6px 12px}.racing-content>.racing-title{padding:6px 0}.racing-scene{height:calc(100dvh - 176px)}.racing-question{padding:9px 5px}.racing-equation{margin:10px 0}.racing-instructions{font-size:9px}.racing-save{font-size:8px}}

/* Native progress retains a determinate value without inline styles or CSP exceptions. */
.racing-progress{margin:14px 0 0}
.racing-progress-copy{display:flex;flex-wrap:wrap;justify-content:space-between;gap:3px 12px;font-size:11px;line-height:1.4;color:var(--race-muted)}
.racing-progress-copy strong{color:var(--race-ink);font-size:12px}
.racing-progress-bar{display:block;width:100%;height:12px;margin:7px 0 0;border:0;border-radius:20px;overflow:hidden;appearance:none;-webkit-appearance:none;background:#e5e2d6;color:var(--race-teal);accent-color:var(--race-teal)}
.racing-progress-bar::-webkit-progress-bar{background:#e5e2d6;border-radius:20px}
.racing-progress-bar::-webkit-progress-value{background:var(--race-teal);border-radius:20px}
.racing-progress-bar::-moz-progress-bar{background:var(--race-teal);border-radius:20px}
@media(min-width:700px) and (orientation:landscape) and (max-height:1100px){.racing-progress{margin-top:9px}.racing-progress-copy{font-size:10px}.racing-progress-copy strong{font-size:11px}.racing-progress-bar{height:10px;margin-top:5px}}

/* Milestone stars: four seconds in the garage, two on tracks; CSP-safe SVG attributes. */
.racing-magic{pointer-events:none;overflow:visible}.racing-garage-magic{position:absolute;inset:0;width:100%;height:100%;z-index:2}.racing-magic-ring{fill:none;stroke:#ffe5a7;stroke-width:3;filter:drop-shadow(0 0 8px #ffd879);transform-origin:0 0}.racing-magic-star{fill:#fff2b8;stroke:#daab55;stroke-width:1;filter:drop-shadow(0 0 5px #e9ad4d);transform-origin:0 0}
@media(prefers-reduced-motion:reduce){.racing-magic{display:none}}

.racing-speed-line{fill:none;stroke:#b6fff0;stroke-width:5;stroke-linecap:round;filter:drop-shadow(0 0 5px #ffc85c);transform-origin:0 50px}.racing-speed-smoke{fill:#fff5de;transform-box:fill-box;transform-origin:center;filter:blur(2px)}