:root{font-family:ui-rounded,"SF Pro Rounded","Segoe UI",system-ui,sans-serif;color:#10233f;background:#f3f8ff;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#f3f8ff,#eef6ff);min-height:100vh}button,input{font:inherit}button{touch-action:manipulation}main{max-width:860px;margin:0 auto;padding:20px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}.eyebrow{font-weight:900;letter-spacing:.08em;font-size:.78rem;color:#0b5bd3}.cloud{font-size:.82rem;color:#6b7280;margin-top:3px}.bank{background:#fff;border:2px solid #cfe1ff;border-radius:22px;padding:12px 18px;text-align:right;min-width:160px}.bank span,.bank small{display:block;color:#6b7280}.bank strong{display:block;font-size:1.8rem;color:#15803d}.panel{background:#fff;border:1px solid #dce8f8;border-radius:28px;padding:24px;box-shadow:0 12px 34px rgba(15,75,150,.10)}.setup{max-width:460px;margin:80px auto;text-align:center}.setup input{width:100%;text-align:center;font-size:2rem;letter-spacing:.22em;margin:8px 0 14px}.mascot{font-size:3.5rem}.hero{display:flex;justify-content:space-between;align-items:center;gap:20px}.hero h1,.game h1,.results h1{font-size:2rem;margin:.1em 0}.hero p,.game-head p{color:#6b7280;margin:.35em 0}.coin{width:84px;height:84px;border-radius:50%;display:grid;place-items:center;font-size:2.5rem;font-weight:900;background:#facc15;border:8px solid #fde68a;color:#854d0e}.stats-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0}.stats-row>div,.parent-money>div{background:#f3f8ff;border-radius:18px;padding:14px}.stats-row strong,.stats-row span,.parent-money span,.parent-money strong{display:block}.stats-row span,.parent-money span{font-size:.82rem;color:#6b7280;margin-top:4px}h2{font-size:1.1rem;margin:24px 0 12px}.levels{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.level-btn{border:0;border-radius:18px;padding:18px 10px;background:#e7f0ff;color:#0b3f91;font-weight:900;font-size:1.4rem;min-height:82px}.level-btn small{display:block;font-size:.68rem;font-weight:700;margin-top:4px}.level-btn.mastered{background:#dcfce7;color:#166534}.level-btn:disabled{background:#f3f4f6;color:#9ca3af}.primary,.secondary,.danger{border:0;border-radius:16px;padding:14px 18px;min-height:48px;font-weight:900}.primary{background:#0b5bd3;color:#fff}.secondary{background:#e7f0ff;color:#0b3f91;margin-top:22px}.danger{background:#fee2e2;color:#991b1b}.install-note{font-size:.86rem;color:#6b7280;margin-top:18px}.game-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.text-button{border:0;background:transparent;color:#0b5bd3;font-weight:800;padding:10px}.session-score{text-align:center;color:#6b7280;font-weight:800;margin:18px}.question{text-align:center;font-size:clamp(3rem,11vw,5.2rem);font-weight:1000;letter-spacing:-.04em;margin:18px 0}.answer{display:block;width:min(280px,100%);margin:0 auto 16px;text-align:center;font-size:2.4rem;font-weight:900;border:3px solid #b9d3ff;border-radius:18px;padding:12px;background:#fafafa}.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:390px;margin:0 auto}.keypad button{border:0;border-radius:16px;min-height:64px;background:#f3f4f6;font-size:1.5rem;font-weight:900;color:#123d7a}.keypad .go{background:#22c55e;color:#fff}.feedback{min-height:72px;text-align:center;font-weight:900;font-size:1.12rem;padding:18px 8px}.feedback.good{color:#15803d}.feedback.retry{color:#b45309}.results{text-align:center}.big-score{font-size:2rem;font-weight:1000;color:#0b5bd3;margin:10px}.results p{font-size:1.15rem;line-height:1.55}.results .primary{margin-top:12px}.parent-money{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.parent-money strong{font-size:1.35rem;margin-top:4px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-grid label,label{font-weight:800;font-size:.88rem}.form-grid input,#parentPin,.setup input{display:block;border:2px solid #b9d3ff;border-radius:14px;padding:12px;width:100%;margin-top:6px;background:#fff}.toggles{display:grid;gap:10px;margin:18px 0}.toggles label{display:flex;align-items:center;gap:10px}.toggles input{width:22px;height:22px}.facts{list-style:none;padding:0;margin:0}.facts li{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid #eee}.facts span{color:#6b7280}.error{color:#b91c1c;font-weight:800}.save-message{margin-left:10px;color:#15803d;font-weight:800}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:600px){main{padding:12px}.panel{padding:18px;border-radius:22px}.topbar{align-items:stretch}.bank{min-width:135px;padding:10px 12px}.bank strong{font-size:1.45rem}.levels{grid-template-columns:repeat(3,1fr)}.stats-row,.form-grid,.parent-money{grid-template-columns:1fr}.hero h1,.game h1,.results h1{font-size:1.65rem}.coin{width:68px;height:68px;font-size:2rem}.question{font-size:3.6rem}.setup{margin:35px auto}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.rules-card{margin:20px 0 22px;padding:18px;border:2px solid #b9d3ff;border-radius:22px;background:#f7fbff}.rules-card h2{margin:0 0 8px;color:#0b3f91}.rules-intro{margin:0 0 14px;line-height:1.5;color:#334155}.money-rules{display:grid;grid-template-columns:1fr 1fr;gap:10px}.rule-item{display:flex;gap:10px;align-items:flex-start;background:#fff;border:1px solid #dce8f8;border-radius:16px;padding:12px}.rule-icon{width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;border-radius:50%;background:#e7f0ff;color:#0b5bd3;font-weight:1000}.rule-item strong,.rule-item small{display:block}.rule-item strong{color:#10233f}.rule-item small{margin-top:3px;color:#64748b;line-height:1.35}.cashout-rule{margin:14px 0 0;padding:13px 14px;border-radius:16px;background:#e7f0ff;color:#0b3f91;line-height:1.45}.practice-section{margin-top:24px;padding-top:4px;border-top:1px solid #dce8f8}.practice-heading{display:flex;justify-content:space-between;gap:16px;align-items:end}.practice-heading h2{margin-bottom:4px}.practice-heading p{margin:0;color:#64748b;font-size:.9rem}.practice-heading>strong{color:#0b5bd3;white-space:nowrap}.practice-history{display:grid;gap:8px;margin-top:12px}.practice-row{display:grid;grid-template-columns:1.45fr .65fr .9fr .9fr;gap:10px;align-items:center;padding:12px 14px;border:1px solid #dce8f8;border-radius:16px;background:#fbfdff}.practice-row>div{min-width:0}.practice-row strong,.practice-row span{display:block}.practice-row strong{color:#10233f}.practice-row span{margin-top:3px;font-size:.78rem;color:#64748b}.practice-level strong{font-size:1.2rem;color:#0b5bd3}.practice-score{text-align:right}.practice-empty{padding:18px;border-radius:16px;background:#f3f8ff;color:#64748b;text-align:center}.practice-duration{text-align:center}
@media(max-width:600px){.money-rules{grid-template-columns:1fr}.practice-heading{display:block}.practice-heading>strong{display:block;margin-top:8px}.practice-row{grid-template-columns:1.25fr .55fr 1fr}.practice-score{grid-column:1/-1;text-align:left;padding-top:6px;border-top:1px solid #e5edf8}.practice-duration{text-align:right}}

.parent-tool{margin-top:0}
.tool-status{display:block;margin-top:10px;color:#475569;font-weight:800}
.testing-box{border:2px solid #fecaca;background:#fff7f7;border-radius:18px;padding:14px 16px}
.testing-box p{margin:.25rem 0 .75rem;line-height:1.45;color:#475569}
.testing-box .danger{margin-top:4px}

.welcome-splash{text-align:center;padding:8px 0 2px}
.welcome-splash h1{font-size:2rem;margin:.25rem 0 .5rem;color:#0b3f91}
.splash-star{font-size:3.2rem;line-height:1}
.welcome-splash .money-rules{text-align:left;margin-top:14px}
.splash-start{margin-top:18px;min-width:190px;font-size:1.05rem}
@media(max-width:600px){.welcome-splash h1{font-size:1.7rem}.splash-start{width:100%}}