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0 6px rgba(255,255,255,.8)}.cell-notes{position:absolute;top:2px;right:2px;bottom:2px;left:2px;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);pointer-events:none}.note-digit{display:flex;align-items:center;justify-content:center;font-size:clamp(9px,2vw,12px);font-weight:700;color:#1a1a1a}.cell-sparkle{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:clamp(18px,5vw,26px);pointer-events:none;z-index:3;animation:sparkle-pop 1.1s ease-out forwards}@keyframes sparkle-pop{0%{opacity:0;transform:scale(.3) rotate(-15deg)}30%{opacity:1;transform:scale(1.3) rotate(10deg)}to{opacity:0;transform:scale(.85) rotate(0)}}body.dark .sudoku-cell{background-color:#232a35}body.dark .cell-cover{background:#232a35}body.dark .cell-value{color:#eceae3;text-shadow:0 0 3px rgba(0,0,0,.9),0 0 6px rgba(0,0,0,.6)}body.dark .sudoku-cell.is-same-value .cell-value{color:#5c8dff}body.dark .sudoku-cell.has-error 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#00000040;z-index:200;max-width:460px;width:calc(100% - 24px);max-height:calc(100vh - 24px);overflow-y:auto}.consent-banner p{font-size:.82rem;line-height:1.4;color:var(--text-color);margin:0 0 12px}.consent-link{background:none;border:none;color:var(--accent);text-decoration:underline;font-size:.82rem;cursor:pointer;padding:0}.consent-categories{display:flex;flex-direction:column;gap:10px;margin-bottom:12px}.consent-category{border:1px solid var(--card-border);border-radius:10px;padding:8px 10px}.consent-category-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.consent-category-label{font-size:.82rem;font-weight:600;color:var(--text-color)}.consent-category-desc{font-size:.74rem;color:var(--text-muted);margin:4px 0 0;line-height:1.35}.consent-category-always-on{font-size:.7rem;color:var(--text-muted);font-weight:600}.consent-toggle{position:relative;display:inline-block;width:38px;height:22px;flex-shrink:0}.consent-toggle input{opacity:0;width:0;height:0}.consent-toggle-slider{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--card-border);border-radius:22px;cursor:pointer;transition:background .15s}.consent-toggle-slider:before{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .15s}.consent-toggle input:checked+.consent-toggle-slider{background:var(--accent)}.consent-toggle input:checked+.consent-toggle-slider:before{transform:translate(16px)}.consent-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.consent-btn-primary,.consent-btn-secondary{flex:1;padding:10px;border-radius:10px;border:1px solid var(--card-border);cursor:pointer;font-weight:600;font-size:.85rem;min-width:100px}.consent-btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.consent-btn-secondary{background:var(--bg-color);color:var(--text-color)}.consent-customize-btn{flex:0 0 auto}.ad-interstitial-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000e0;display:flex;align-items:center;justify-content:center;z-index:320;padding:16px}.ad-interstitial-panel{background:var(--card-bg);border-radius:16px;width:min(94vw,400px);overflow:hidden}.ad-interstitial-header{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:var(--bg-color);border-bottom:1px solid var(--card-border)}.ad-interstitial-label{font-size:.72rem;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em}.ad-interstitial-close{background:none;border:none;color:var(--text-color);font-size:1.1rem;cursor:pointer;padding:2px 6px}.ad-interstitial-slot{min-height:250px;width:100%;background:var(--bg-color)}.ad-interstitial-footer{padding:14px;text-align:center;border-top:1px solid var(--card-border)}.ad-interstitial-footer p{font-size:.82rem;color:var(--text-muted);margin:0}.ad-interstitial-btn{width:100%;padding:12px;background:var(--accent);border:none;color:var(--accent-text);border-radius:10px;font-weight:700;font-size:.95rem;cursor:pointer}.legal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:300;padding:16px}.legal-panel{background:var(--card-bg);border:1px solid var(--card-border);border-radius:16px;padding:20px;width:min(94vw,560px);max-height:88vh;overflow-y:auto;text-align:left}.legal-header{display:flex;justify-content:space-between;align-items:center;position:sticky;top:-20px;background:var(--card-bg);padding:20px 0 8px;margin:-20px 0 4px}.legal-header h2{font-size:1.05rem;margin:0}.legal-close{background:none;border:none;color:var(--text-color);font-size:1.2rem;cursor:pointer}.legal-date{font-size:.75rem;color:var(--text-muted);margin:0 0 14px}.legal-panel section{margin:14px 0}.legal-panel h3{font-size:.88rem;margin:0 0 6px;color:var(--accent)}.legal-panel p,.legal-panel li{font-size:.82rem;line-height:1.5;color:var(--text-color);margin:0 0 6px}.legal-panel ul{padding-left:18px;margin:4px 0}.legal-table{width:100%;border-collapse:collapse;font-size:.78rem;margin:8px 0}.legal-table th,.legal-table td{border:1px solid var(--card-border);padding:5px 7px;text-align:left;vertical-align:top}.legal-table th{background:var(--bg-color);font-weight:600}.legal-consent-actions{background:var(--bg-color);border:1px solid var(--card-border);border-radius:10px;padding:12px;margin:14px 0}.legal-consent-title{font-weight:600;margin:0 0 10px!important}.legal-consent-btns{display:flex;gap:8px}.legal-consent-reject,.legal-consent-accept{flex:1;padding:10px;border-radius:10px;border:1px solid var(--card-border);cursor:pointer;font-size:.82rem;font-weight:600}.legal-consent-accept{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.legal-consent-reject{background:var(--bg-color);color:var(--text-color)}.legal-close-btn{width:100%;margin-top:14px;padding:12px;background:var(--accent);border:none;color:var(--accent-text);border-radius:10px;font-weight:700;cursor:pointer}.onboarding-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:290;padding:24px}.onboarding-panel{background:var(--card-bg);border-radius:20px;padding:32px 24px 24px;width:min(92vw,380px);text-align:center;position:relative}.onboarding-skip{position:absolute;top:14px;right:16px;background:none;border:none;color:var(--text-muted);font-size:.82rem;cursor:pointer;text-decoration:underline}.onboarding-icon{font-size:4rem;margin-bottom:16px;display:block;animation:onboarding-pop .35s ease-out}.onboarding-title{font-size:1.2rem;margin:0 0 12px;animation:onboarding-fadein .3s ease-out}.onboarding-text{font-size:.9rem;line-height:1.55;color:var(--text-color);margin:0 0 24px;min-height:70px;animation:onboarding-fadein .3s ease-out}.onboarding-dots{display:flex;gap:8px;justify-content:center;margin-bottom:20px}.onboarding-dot{width:8px;height:8px;border-radius:50%;background:var(--card-border);cursor:pointer;transition:background .2s,transform .2s}.onboarding-dot.active{background:var(--accent);transform:scale(1.3)}.onboarding-btn{width:100%;padding:14px;background:var(--accent);border:none;color:var(--accent-text);border-radius:12px;font-size:1rem;font-weight:700;cursor:pointer}@keyframes onboarding-pop{0%{transform:scale(.6);opacity:0}to{transform:scale(1);opacity:1}}@keyframes onboarding-fadein{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.home-progress{display:flex;gap:0;background:var(--card-bg);border:1px solid var(--card-border);border-radius:14px;overflow:hidden;margin:0 0 16px;animation:fadein .4s ease-out}.home-progress-stat{flex:1;display:flex;flex-direction:column;align-items:center;padding:12px 8px;border-right:1px solid var(--card-border)}.home-progress-stat:last-child{border-right:none}.home-progress-value{font-size:1.35rem;font-weight:700;color:var(--accent)}.home-progress-label{font-size:.65rem;color:var(--text-muted);text-align:center;line-height:1.3;margin-top:2px}@keyframes fadein{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.feedback-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:310;padding:24px}.feedback-panel{background:var(--card-bg);border-radius:20px;padding:20px;width:min(92vw,420px);max-height:85vh;overflow-y:auto}.feedback-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.feedback-header h2{font-size:1.05rem;margin:0}.feedback-close{background:none;border:none;font-size:1.1rem;cursor:pointer;color:var(--text-muted)}.feedback-types{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.feedback-type-btn{text-align:left;padding:12px;border-radius:12px;border:1px solid var(--card-border);background:var(--bg-color);color:var(--text-color);font-size:.88rem;cursor:pointer}.feedback-type-btn.is-selected{border-color:var(--accent);background:var(--accent);color:var(--accent-text);font-weight:600}.feedback-message{width:100%;border-radius:12px;border:1px solid var(--card-border);background:var(--bg-color);color:var(--text-color);padding:10px;font-size:.85rem;font-family:inherit;resize:vertical;margin-bottom:12px;box-sizing:border-box}.feedback-btn-primary{width:100%;padding:13px;background:var(--accent);color:var(--accent-text);border:none;border-radius:12px;font-weight:700;font-size:.95rem;cursor:pointer}.feedback-btn-primary:disabled{opacity:.5;cursor:default}.feedback-success{font-size:.9rem;color:var(--text-color);text-align:center;margin:12px 0 18px}.feedback-error{font-size:.8rem;color:#d32f2f;margin:0 0 10px}.site-footer{margin-top:48px;padding:24px 16px calc(24px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--card-border);display:flex;flex-direction:column;align-items:center;gap:14px}.site-footer-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 16px;max-width:640px}.site-footer-link{color:var(--text-muted);font-size:.82rem;text-decoration:none}.site-footer-link:hover,.site-footer-link:focus-visible{color:var(--accent);text-decoration:underline}.site-footer-legal{display:flex;align-items:center;gap:6px}.site-footer-legal .privacy-footer-link{font-size:.75rem}.seo-page{min-height:100vh;background:var(--bg-color);color:var(--text-color)}.seo-page-header{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-bottom:1px solid var(--card-border)}.seo-page-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.05rem;color:var(--text-color);text-decoration:none}.seo-page-logo{border-radius:6px}.seo-page-lang-switch{display:flex;gap:4px;align-items:center;flex-wrap:wrap}.seo-lang-link,.seo-lang-current{font-size:.68rem;font-weight:700;padding:3px 6px;border-radius:6px;text-decoration:none;letter-spacing:.02em}.seo-lang-link{color:var(--text-muted)}.seo-lang-link:hover,.seo-lang-link:focus-visible{color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent)}.seo-lang-current{color:var(--accent-text);background:var(--accent)}.seo-page-play-link{background:var(--accent);color:var(--accent-text);font-weight:600;font-size:.85rem;padding:8px 16px;border-radius:999px;text-decoration:none}.seo-page-main{max-width:720px;margin:0 auto;padding:32px 20px 8px}.seo-breadcrumb{font-size:.78rem;color:var(--text-muted);margin:0 0 18px}.seo-breadcrumb a{color:var(--text-muted)}.seo-page-main h1{font-size:1.7rem;line-height:1.25;margin:0 0 10px}.seo-page-intro{font-size:1.02rem;color:var(--text-muted);margin:0 0 20px}.seo-page-cta{display:inline-block;background:var(--accent);color:var(--accent-text);font-weight:700;font-size:.95rem;padding:12px 24px;border-radius:999px;text-decoration:none;margin-bottom:28px}.seo-page-cta-bottom{margin-top:12px}.seo-page-content{line-height:1.65}.seo-page-content h2{font-size:1.2rem;margin:28px 0 8px}.seo-page-content p{margin:0 0 14px;color:var(--text-color)}.seo-page-content a{color:var(--accent);font-weight:600}:root{--bg-color: #F7F1E4;--card-bg: #FFFFFF;--card-border: #E7DEC8;--text-color: #2E2A22;--text-muted: #8C8268;--accent: #0F7B6C;--accent-text: #FFFFFF;--grid-border: #0F7B6C;--grid-line: #3A332A}body.dark{--bg-color: #14181F;--card-bg: #1F2530;--card-border: #2C3340;--text-color: #ECEAE3;--text-muted: #9AA3B2;--accent: #14A892;--accent-text: #0A1F1C;--grid-border: #14A892;--grid-line: #3A4150}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,sans-serif;background:var(--bg-color);color:var(--text-color);transition:background .25s ease,color .25s ease}#root{min-height:100vh}.app-header{display:flex;justify-content:space-between;align-items:center;padding:8px 16px}.app-header-game{align-items:flex-start}.game-stats-row{display:flex;gap:5px;align-items:center;flex-wrap:wrap;justify-content:flex-end;flex:1;min-width:0}.game-buttons-row{display:flex;gap:5px;align-items:center;flex-shrink:0;justify-content:flex-end;width:100%}.game-header-right{display:flex;flex-direction:column;gap:5px;align-items:flex-end;flex:1;min-width:0}.app-title{font-size:1.1rem;font-weight:700;margin:0}.app-logo{height:26px;width:26px;border-radius:6px;flex-shrink:0;margin-top:2px}.header-actions{display:flex;flex-wrap:nowrap;gap:4px;justify-content:flex-end;align-items:center;min-width:0;flex:1}.icon-btn{background:var(--card-bg);border:1px solid var(--card-border);color:var(--text-color);border-radius:7px;width:28px;height:28px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-size:.9rem;padding:0}.lang-select{width:auto;min-width:52px;padding:0 4px;font-size:.72rem;font-weight:600;-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}.stat-pill{display:inline-flex;align-items:center;background:var(--card-bg);border:1px solid var(--card-border);border-radius:7px;padding:4px 6px;font-size:.72rem;font-weight:600;white-space:nowrap;flex-shrink:0}.stat-pill-timer{min-width:60px;justify-content:center}.game-screen{display:flex;flex-direction:column;align-items:center;padding:4px 0 12px}.intensity-control{display:flex;flex-direction:column;align-items:center;gap:2px;width:min(98vw,calc(100vh - 220px),760px);margin:0 auto 6px}.intensity-control label{font-size:.85rem;color:var(--text-muted)}.intensity-control input[type=range]{width:100%;accent-color:var(--accent);height:28px;cursor:pointer}.intensity-control input[type=range]::-webkit-slider-thumb{width:26px;height:26px;border-radius:50%;cursor:pointer}.intensity-control input[type=range]::-moz-range-thumb{width:26px;height:26px;border-radius:50%;border:none;cursor:pointer}.progress-bar{width:min(98vw,calc(100vh - 220px),760px);height:8px;background:var(--card-border);border-radius:6px;margin:0 auto 12px;overflow:hidden}.progress-fill{height:100%;background:var(--accent);transition:width .4s ease}.banner-stack{position:fixed;bottom:16px;left:16px;right:16px;display:flex;flex-direction:column;gap:8px;align-items:center;z-index:150;pointer-events:none}.banner-stack>*{pointer-events:auto}.challenge-already-opened-banner{width:100%;max-width:420px;background:var(--card-bg);border:1px solid var(--card-border);border-radius:12px;padding:12px 14px;font-size:.8rem;color:var(--text-color);display:flex;align-items:center;gap:10px;box-shadow:0 4px 16px #00000026}.challenge-already-opened-banner button{background:none;border:none;color:var(--text-muted);font-size:1rem;cursor:pointer;flex-shrink:0}.privacy-footer-link{display:block;margin:24px auto 12px;background:none;border:none;color:var(--text-muted);font-size:.75rem;text-decoration:underline;cursor:pointer;text-align:center}.home-footer{position:fixed;bottom:max(10px,env(safe-area-inset-bottom,0px));left:0;right:0;display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap;padding:0 16px;pointer-events:none}.home-footer button{pointer-events:auto}.privacy-footer-sep{color:var(--text-muted);font-size:.75rem}.privacy-footer-danger{color:#d32f2f!important}.header-username-btn{font-size:.65rem!important;font-weight:700!important;background:var(--accent)!important;color:var(--accent-text)!important;border-color:var(--accent)!important;letter-spacing:.02em}