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p{margin:0;color:var(--text-secondary)}.keyword-content{margin-top:32px}.keyword-list{list-style:none;padding:0;margin:16px 0}.keyword-list li{padding:12px 0;border-bottom:1px solid var(--gray-200);color:var(--text-secondary)}.keyword-list li:last-child{border-bottom:none}.keyword-list li strong{color:var(--primary-green);font-weight:600}@media (max-width: 768px){.game-info{padding:20px 15px}.hero-section{margin-bottom:40px;padding:30px 20px}.hero-title{font-size:2rem}.hero-subtitle{font-size:1.1rem}.hero-features{grid-template-columns:repeat(2,1fr);gap:16px}.section-content h2{font-size:1.7rem}.section-content h3{font-size:1.3rem}.rules-grid,.features-grid{grid-template-columns:1fr;gap:20px}.rule-item{padding:16px}.feature-card{padding:24px 20px}.seo-section{padding:30px 20px}}@media (max-width: 480px){.game-info{padding:15px 10px}.hero-title{font-size:1.8rem}.hero-subtitle{font-size:1rem}.section-content h2{font-size:1.5rem}.section-content h3{font-size:1.2rem}.rule-item{flex-direction:column;text-align:center;gap:12px}.feature-card{padding:20px 16px}.hero-features{grid-template-columns:1fr;gap:12px}}@media print{.game-info{background:#fff;color:#000}.hero-section{background:none;border:1px solid #ccc}.feature-card,.rule-item{box-shadow:none;border:1px solid #ccc}.seo-section{background:none;border:1px solid #ccc}}@media (prefers-contrast: high){.feature-card,.rule-item{border:2px solid var(--gray-400)}.hero-section{border:2px solid var(--accent-green)}}@media (prefers-reduced-motion: reduce){.rule-item,.feature-card{transition:none}.rule-item:hover,.feature-card:hover{transform:none}}.footer{background-color:var(--primary-green);color:var(--white);margin-top:auto;padding:40px 0 20px}.footer-container{max-width:1200px;margin:0 auto;padding:0 20px}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;margin-bottom:30px}.footer-section{display:flex;flex-direction:column}.footer-title{font-size:24px;font-weight:700;margin-bottom:12px;color:var(--white)}.footer-heading{font-size:16px;font-weight:600;margin-bottom:12px;color:var(--accent-green-light)}.footer-description{font-size:14px;line-height:1.6;color:#ffffffe6;margin:0}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin-bottom:8px;font-size:14px;color:#fffc;transition:var(--transition)}.footer-links li:hover{color:var(--accent-green-light);cursor:default}.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:20px;border-top:1px solid rgba(255,255,255,.2);flex-wrap:wrap;gap:15px}.footer-copyright{font-size:14px;color:#fffc}.footer-copyright p{margin:0}.footer-links-bottom{display:flex;gap:20px;flex-wrap:wrap}.footer-link{color:#fffc;text-decoration:none;font-size:14px;transition:var(--transition);background:none;border:none;cursor:pointer;padding:0;font-family:inherit}.footer-link:hover{color:var(--accent-green-light);text-decoration:underline}.footer-external-link{color:#fffc;text-decoration:none;font-size:14px;transition:var(--transition)}.footer-external-link:hover{color:var(--accent-green-light);text-decoration:underline}@media (max-width: 768px){.footer{padding:30px 0 15px}.footer-container{padding:0 15px}.footer-content{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:25px;margin-bottom:25px}.footer-title{font-size:20px}.footer-heading{font-size:15px}.footer-bottom{flex-direction:column;text-align:center;gap:10px}.footer-links-bottom{justify-content:center;gap:15px}}@media (max-width: 480px){.footer-content{grid-template-columns:1fr;gap:20px}.footer-links-bottom{flex-direction:column;gap:10px}}.app.fullscreen .footer{display:none}@media print{.footer{background-color:#fff;color:#000;border-top:1px solid #ccc}.footer-title,.footer-heading{color:#000}.footer-description,.footer-links li,.footer-copyright,.footer-link{color:#666}}.legal-page{min-height:100vh;background-color:var(--background-green-light);padding:40px 20px}.legal-container{max-width:800px;margin:0 auto;background-color:var(--white);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md);padding:40px}.legal-container h1{font-size:2.5rem;font-weight:700;color:var(--primary-green);margin-bottom:30px;text-align:center}.legal-content{line-height:1.7;color:var(--text-primary)}.legal-content section{margin-bottom:30px}.legal-content h2{font-size:1.5rem;font-weight:600;color:var(--primary-green);margin-bottom:15px;border-bottom:2px solid var(--surface-green);padding-bottom:8px}.legal-content h3{font-size:1.2rem;font-weight:600;color:var(--text-primary);margin-bottom:10px}.legal-content h4{font-size:1.1rem;font-weight:600;color:var(--accent-green);margin-bottom:8px}.legal-content p{margin-bottom:15px;text-align:justify}.contact-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:25px;margin:20px 0}.contact-item{background-color:var(--surface-green);padding:20px;border-radius:var(--border-radius);border-left:4px solid var(--accent-green)}.contact-item h3{color:var(--primary-green);margin-bottom:12px}.contact-item p{margin:0;line-height:1.6}.faq-item{background-color:var(--surface-green);padding:20px;border-radius:var(--border-radius);margin-bottom:15px;border-left:4px solid var(--accent-green)}.faq-item h4{margin-bottom:10px}.faq-item p{margin:0}@media (max-width: 768px){.legal-page{padding:20px 10px}.legal-container{padding:25px 20px}.legal-container h1{font-size:2rem}.legal-content h2{font-size:1.3rem}.contact-info{grid-template-columns:1fr;gap:20px}.contact-item,.faq-item{padding:15px}}@media (max-width: 480px){.legal-container{padding:20px 15px}.legal-container h1{font-size:1.8rem}.legal-content h2{font-size:1.2rem}}.app{min-height:100vh;display:flex;flex-direction:column;background-color:var(--background-green)}.app.fullscreen{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:9999}.main-content{flex:1;display:flex;flex-direction:column;align-items:center;padding:0;max-width:1200px;margin:0 auto;width:100%}.game-container{width:100vw;max-width:none;margin:0;padding:0 20px;border-radius:0;transition:background-color .3s ease}.app.fullscreen .main-content{padding:0;justify-content:center}.app.fullscreen .game-container{margin:0;max-width:none;width:100vw;height:100vh;padding:0;display:flex;justify-content:center;align-items:center;border-radius:0}@media (max-width: 768px){.main-content{padding:0}.game-container{width:100vw;max-width:none;margin:0;padding:0;border-radius:0}}@media (max-width: 480px){.main-content{padding:0}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease-out}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-spinner{border:3px solid var(--surface-green);border-top:3px solid var(--accent-green);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin:20px auto}.tooltip{position:relative;display:inline-block}.tooltip .tooltip-text{visibility:hidden;width:120px;background-color:var(--gray-800);color:var(--white);text-align:center;border-radius:var(--border-radius);padding:5px 8px;position:absolute;z-index:1000;bottom:125%;left:50%;margin-left:-60px;opacity:0;transition:opacity .3s;font-size:12px}.tooltip .tooltip-text:after{content:"";position:absolute;top:100%;left:50%;margin-left:-5px;border-width:5px;border-style:solid;border-color:var(--gray-800) transparent transparent transparent}.tooltip:hover .tooltip-text{visibility:visible;opacity:1}.modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-out}.modal{background-color:var(--white);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-xl);max-width:90vw;max-height:90vh;overflow:auto;animation:fadeIn .3s ease-out}.modal-header{padding:20px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:18px;font-weight:600;color:var(--text-primary)}.modal-close{background:none;border:none;font-size:24px;cursor:pointer;color:var(--text-muted);padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius);transition:var(--transition)}.modal-close:hover{background-color:var(--gray-100);color:var(--text-primary)}.modal-body{padding:20px}.modal-footer{padding:20px;border-top:1px solid var(--gray-200);display:flex;gap:12px;justify-content:flex-end}.notification{position:fixed;top:20px;right:20px;padding:12px 16px;border-radius:var(--border-radius);box-shadow:var(--shadow-lg);z-index:1100;animation:fadeIn .3s ease-out;max-width:300px}.notification.success{background-color:var(--success);color:var(--white)}.notification.error{background-color:var(--error);color:var(--white)}.notification.warning{background-color:var(--warning);color:var(--gray-800)}.notification.info{background-color:var(--info);color:var(--white)}.hidden{display:none!important}.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}.language-selector{min-height:100vh;background:linear-gradient(135deg,#1a2e1a,#2d5a27);display:flex;align-items:center;justify-content:center;padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.language-selector-container{max-width:800px;width:100%;background:#fffffff2;border-radius:20px;padding:40px;box-shadow:0 20px 40px #0000001a;text-align:center}.language-selector-header{margin-bottom:40px}.language-selector-title{margin:0 0 10px;color:#1a2e1a}.sudoku-logo{font-size:3rem;font-weight:700;background:linear-gradient(135deg,#2d5a27,#4ade80);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.language-selector-subtitle{font-size:1.2rem;color:#666;margin:0;font-weight:500}.suggested-language{margin-bottom:40px}.suggested-text{font-size:1rem;color:#2d5a27;margin-bottom:15px;font-weight:600}.language-card.suggested{background:linear-gradient(135deg,#f0f8f0,#e6f7e6);border:2px solid #2d5a27;transform:scale(1.02)}.all-languages{margin-bottom:30px}.all-languages-text{font-size:1rem;color:#666;margin-bottom:20px;font-weight:500}.language-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:15px;margin-bottom:20px}.language-card{display:flex;align-items:center;gap:15px;padding:20px;background:#f8fafc;border:2px solid #e2e8f0;border-radius:12px;cursor:pointer;transition:all .3s ease;text-align:left;width:100%}.language-card:hover{background:#f0f8f0;border-color:#2d5a27;transform:translateY(-2px);box-shadow:0 8px 25px #2d5a2726}.language-card.suggested-in-grid{background:#f0f8f0;border-color:#4ade80}.language-flag{font-size:2rem;flex-shrink:0}.language-info{flex:1;min-width:0}.language-native{display:block;font-size:1.1rem;font-weight:600;color:#1a2e1a;margin-bottom:2px}.language-english{display:block;font-size:.9rem;color:#666;margin-bottom:8px}.language-desc{font-size:.85rem;color:#555;margin:0;line-height:1.4;opacity:0;max-height:0;overflow:hidden;transition:all .3s ease}.language-card:hover .language-desc,.language-card.suggested .language-desc{opacity:1;max-height:50px}.language-selector-footer{border-top:1px solid #e2e8f0;padding-top:20px;margin-top:20px}.footer-text{font-size:.9rem;color:#666;margin:0}@media (max-width: 768px){.language-selector{padding:10px}.language-selector-container{padding:30px 20px}.sudoku-logo{font-size:2.5rem}.language-selector-subtitle{font-size:1rem}.language-grid{grid-template-columns:1fr;gap:12px}.language-card{padding:15px}.language-flag{font-size:1.5rem}}@media (max-width: 480px){.language-selector-container{padding:20px 15px}.sudoku-logo{font-size:2rem}.language-selector-subtitle{font-size:.9rem}.language-card{padding:12px;gap:12px}.language-native{font-size:1rem}.language-english{font-size:.8rem}}:root{--primary-green: #2d5a27;--primary-green-light: #4a7c59;--primary-green-dark: #1a3d1a;--accent-green: #6b9b37;--accent-green-light: #8bc34a;--background-green: #f0f8f0;--background-green-light: #f8fcf8;--surface-green: #e8f5e8;--surface-green-hover: #d4edda;--text-primary: #1a3d1a;--text-secondary: #2d5a27;--text-muted: #6c757d;--white: #ffffff;--gray-100: #f8f9fa;--gray-200: #e9ecef;--gray-300: #dee2e6;--gray-400: #ced4da;--gray-500: #adb5bd;--gray-600: #6c757d;--gray-700: #495057;--gray-800: #343a40;--gray-900: #212529;--success: #28a745;--warning: #ffc107;--error: #dc3545;--info: #17a2b8;--shadow-sm: 0 1px 3px rgba(45, 90, 39, .1);--shadow-md: 0 4px 6px rgba(45, 90, 39, .1);--shadow-lg: 0 10px 15px rgba(45, 90, 39, .1);--shadow-xl: 0 20px 25px rgba(45, 90, 39, .15);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;--border-radius: 8px;--border-radius-sm: 4px;--border-radius-lg: 12px;--transition: all .2s ease-in-out}*{box-sizing:border-box;margin:0;padding:0}body{font-family:inherit;background-color:var(--background-green);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--surface-green)}::-webkit-scrollbar-thumb{background:var(--accent-green);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary-green)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border:none;border-radius:var(--border-radius);font-size:14px;font-weight:500;text-decoration:none;cursor:pointer;transition:var(--transition);outline:none;min-height:40px}.btn:focus{box-shadow:0 0 0 2px var(--accent-green-light)}.btn-primary{background-color:var(--primary-green);color:var(--white)}.btn-primary:hover{background-color:var(--primary-green-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background-color:var(--surface-green);color:var(--text-primary);border:1px solid var(--gray-300)}.btn-secondary:hover{background-color:var(--surface-green-hover);border-color:var(--accent-green)}.btn-success{background-color:var(--success);color:var(--white)}.btn-success:hover{background-color:#218838}.btn-sm{padding:6px 12px;font-size:12px;min-height:32px}.btn-lg{padding:12px 24px;font-size:16px;min-height:48px}.form-control{display:block;width:100%;padding:8px 12px;font-size:14px;line-height:1.5;color:var(--text-primary);background-color:var(--white);border:1px solid var(--gray-300);border-radius:var(--border-radius);transition:var(--transition)}.form-control:focus{border-color:var(--accent-green);box-shadow:0 0 0 2px #6b9b3733;outline:none}.card{background-color:var(--white);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;transition:var(--transition)}.card:hover{box-shadow:var(--shadow-md)}.card-header{padding:16px 20px;background-color:var(--surface-green);border-bottom:1px solid var(--gray-200)}.card-body{padding:20px}.card-footer{padding:16px 20px;background-color:var(--gray-100);border-top:1px solid var(--gray-200)}@media (max-width: 768px){.btn{padding:10px 16px;font-size:16px;min-height:44px}.btn-sm{padding:8px 12px;font-size:14px;min-height:36px}}