:root{color-scheme:dark;--bg:#0a1025;--panel:#151f3d;--line:#2e3a5d;--text:#f7f8ff;--muted:#adb7d1;--accent:#c2f76c}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;padding:24px 18px max(20px,env(safe-area-inset-bottom));min-height:100svh}.shell{max-width:880px;margin:auto}.site-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:26px}.logo{font-size:1.45rem;font-weight:900;letter-spacing:-.055em;color:var(--text);text-decoration:none}.logo span{color:var(--accent)}.pill{font-size:.75rem;letter-spacing:.08em;white-space:nowrap;border:1px solid var(--line);color:#d1d9ee;border-radius:30px;padding:7px 10px}.intro{margin-bottom:26px}.eyebrow{font-size:.75rem;letter-spacing:.12em;color:var(--accent);font-weight:750;margin:0 0 12px}h1{font-size:clamp(2rem,5vw,3.1rem);line-height:1.1;letter-spacing:-.055em;margin:0 0 14px}p{color:var(--muted);margin:0 0 16px}.game-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.game-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:22px;background:var(--panel);padding:22px;text-decoration:none;color:var(--text);transition:transform .15s,border-color .15s;--game:#ac8bff}.game-card:hover{transform:translateY(-3px);border-color:var(--game)}.maths{--game:#c2f76c}.patterns{--game:#79caff}.star{--game:#ffcf54}.card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}.emoji{font-size:2.5rem;line-height:1.1}.tag{font-size:.75rem;letter-spacing:.08em;color:var(--game);font-weight:700}.game-card h2{font-size:1.35rem;letter-spacing:-.03em;margin:0 0 8px}.game-card p{font-size:.9375rem;line-height:1.5;margin-bottom:20px;flex:1}.play-label{display:block;text-align:center;border-radius:11px;padding:11px 8px;background:var(--game);color:#151d32;font-size:.875rem;font-weight:800}a:focus-visible,button:focus-visible{outline:3px solid white;outline-offset:4px}footer{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px;margin-top:32px;font-size:.875rem;color:var(--muted)}footer div{display:flex;gap:20px}footer a,.back{color:#cdd6ee;text-decoration:none}footer a:hover,.back:hover{text-decoration:underline}.back{display:inline-block;font-size:.875rem;margin-bottom:20px}.game-shell{max-width:520px}.game-heading h1{font-size:2.25rem}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:22px 0 16px}.stat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:11px 14px}.stat span{display:block;font-size:.875rem;color:var(--muted);margin-bottom:4px}.stat strong{font-size:1.4rem;font-variant-numeric:tabular-nums}.question-panel{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:26px 20px}.question-label{color:var(--accent);font-size:.875rem;margin:0 0 16px;font-weight:700}.question{font-size:clamp(1.75rem,7vw,2.6rem);font-weight:800;line-height:1.4;letter-spacing:-.025em;text-align:center;margin-bottom:24px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.answers{display:grid;grid-template-columns:1fr 1fr;gap:12px}button{font:inherit;touch-action:manipulation;cursor:pointer}.answer{min-height:64px;border:1px solid #4b587d;border-radius:14px;background:#202d50;color:var(--text);font-size:1.5rem;font-weight:750}.answer:hover:enabled{border-color:var(--accent)}.answer.correct{border-color:#9bdfb7;background:#224637}.answer.wrong{border-color:#ff9bab;background:#583042}.answer:disabled{cursor:default}.feedback{margin:20px 0 0;line-height:1.55;min-height:54px;color:#d7deee}.feedback.good{color:#a7edd3}.feedback.bad{color:#ffb9c6}.primary{display:block;width:100%;min-height:54px;border:0;border-radius:13px;background:var(--accent);color:#152038;font-weight:800;margin-top:18px}.primary[hidden],.answers[hidden]{display:none}.quiet{display:block;background:transparent;color:var(--muted);border:0;padding:12px;margin:8px auto 0;font-size:.875rem}.prose{max-width:660px}.prose h1{font-size:2.4rem}.prose h2{font-size:1.25rem;margin:28px 0 10px}.prose p{line-height:1.7}.prose a{color:#c2f76c}@media(max-width:430px){.game-card{padding:16px}.card-top{align-items:flex-start;flex-direction:column;gap:10px}.game-grid{gap:10px}.game-card h2{font-size:1.15rem}.game-card p{font-size:.875rem}.play-label{font-size:.875rem}.intro h1{font-size:2rem}}@media(max-width:330px){.game-grid{grid-template-columns:1fr}.card-top{flex-direction:row}}@media(min-width:900px){body{padding-top:36px}.intro{margin-bottom:32px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}