*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,#fff,#e0e0e0);min-height:100vh;color:#333}#root{min-height:100vh}button{cursor:pointer;border:none;outline:none;font-family:inherit}button:active{transform:scale(.95)}input{font-family:inherit;border:none;outline:none}.container{max-width:1200px;margin:0 auto;padding:20px}.site-header{position:fixed;top:0;left:0;right:0;background:#fff;padding:15px 30px;box-shadow:0 2px 10px #0000001a;z-index:1000}.header-logo-link{display:inline-block;transition:transform .3s ease}.header-logo-link:hover{transform:scale(1.05)}.header-logo{height:50px;width:auto}.with-header{padding-top:100px}.home-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;position:relative;overflow:hidden}.home-page:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 20% 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rotate(5deg)}.competition-title{font-size:1.15rem;font-weight:700;color:#333;margin-bottom:12px;min-height:48px;display:flex;align-items:center;justify-content:center}.competition-description{font-size:.9rem;color:#666;margin-bottom:20px;line-height:1.5;flex-grow:1;min-height:60px}.competition-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:12px 30px;border-radius:50px;font-size:1rem;font-weight:600;transition:all .3s ease;margin-top:auto;box-shadow:0 4px 15px #667eea4d}.competition-button:hover:not(:disabled){transform:scale(1.05);box-shadow:0 6px 20px #667eea80;background:linear-gradient(135deg,#764ba2,#667eea)}.competition-button:disabled{background:#ccc;cursor:not-allowed;box-shadow:none}.word-game-setup{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px 20px}.setup-card{background:#fff;border-radius:20px;padding:50px;max-width:600px;width:100%;box-shadow:0 10px 40px #0003}.setup-title{font-size:2.5rem;color:#333;text-align:center;margin-bottom:15px;font-weight:700}.setup-subtitle{font-size:1.1rem;color:#666;text-align:center;margin-bottom:30px}.setup-form{display:flex;flex-direction:column;gap:30px}.setup-section{display:flex;flex-direction:column;gap:15px}.setup-section h3{font-size:1.2rem;font-weight:600;color:#333;text-align:center}.name-input{padding:15px;border:2px solid #e0e0e0;border-radius:10px;font-size:1rem;transition:border-color .3s ease;text-align:center}.name-input:focus{border-color:#667eea;outline:none}.game-setup{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:100px 20px 40px}.form-group{display:flex;flex-direction:column;gap:10px}.form-label{font-size:1.2rem;font-weight:600;color:#333}.form-input{padding:15px;border:2px solid #e0e0e0;border-radius:10px;font-size:1rem;transition:border-color .3s 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#e0e0e0;border-radius:10px;font-weight:600;font-size:1rem;color:#333;transition:all .3s ease}.count-button:hover{background:#e8e8e8}.count-button.selected{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:#667eea}.setup-buttons{display:flex;gap:15px;margin-top:20px}.back-button{flex:1;padding:15px;background:#e0e0e0;border-radius:10px;font-size:1.1rem;font-weight:600;color:#333;transition:background .3s ease}.back-button:hover{background:#d0d0d0}.start-button{flex:2;padding:15px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:10px;font-size:1.1rem;font-weight:600;transition:all .3s ease}.start-button:hover:not(:disabled){transform:scale(1.02);box-shadow:0 5px 15px #667eea66}.start-button:disabled{background:#ccc;cursor:not-allowed}.word-game{min-height:100vh;padding:20px}.word-game.with-header{padding-top:100px}.game-header{background:#fff;border-radius:15px;padding:20px;margin-bottom:30px;box-shadow:0 5px 15px #0000001a}.game-info{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}.category-badge{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:10px 20px;border-radius:50px;font-weight:600;font-size:1.1rem}.timer-display{font-size:2rem;font-weight:700;color:#333}.timer-display.warning{color:#f44336;animation:pulse 1s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.game-board{display:flex;gap:30px;margin-bottom:30px}.player-section{flex:1;background:#fff;border-radius:15px;padding:30px;box-shadow:0 5px 15px #0000001a;transition:all .3s ease}.player-section.active{box-shadow:0 0 0 4px #667eea;transform:scale(1.02)}.player-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:15px;border-bottom:2px solid #e0e0e0}.player-name{font-size:1.5rem;font-weight:700;color:#333}.player-score{font-size:1.8rem;font-weight:700;color:#667eea}.word-display{display:flex;justify-content:center;gap:10px;margin:30px 0;flex-wrap:wrap}.letter-box{width:60px;height:70px;background:#f5f5f5;border:3px solid #e0e0e0;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;color:#333}.letter-box.revealed{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:#667eea;animation:revealLetter .5s ease}@keyframes revealLetter{0%{transform:rotateY(90deg)}to{transform:rotateY(0)}}.alphabet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(50px,1fr));gap:8px;margin-top:20px}.letter-button{padding:15px;background:#f5f5f5;border:2px solid #e0e0e0;border-radius:10px;font-size:1.2rem;font-weight:700;color:#333;transition:all .2s ease}.letter-button:hover:not(:disabled){background:#667eea;color:#fff;border-color:#667eea;transform:translateY(-2px)}.letter-button:disabled{background:#d0d0d0;color:#999;cursor:not-allowed;opacity:.5}.game-result{position:fixed;top:0;left:0;right:0;bottom:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000}.result-card{background:#fff;border-radius:20px;padding:50px;text-align:center;max-width:500px;width:90%;animation:slideIn .5s ease}@keyframes slideIn{0%{transform:translateY(-100px);opacity:0}to{transform:translateY(0);opacity:1}}.result-title{font-size:3rem;color:#667eea;margin-bottom:20px;font-weight:700}.winner-name{font-size:2.5rem;color:#333;margin-bottom:30px;font-weight:700}.result-stats{background:#f5f5f5;border-radius:15px;padding:30px;margin-bottom:30px}.stat-row{display:flex;justify-content:space-between;align-items:center;padding:15px 0;border-bottom:1px solid #e0e0e0}.stat-row:last-child{border-bottom:none}.stat-label{font-size:1.2rem;color:#666}.stat-value{font-size:1.5rem;font-weight:700;color:#333}.result-buttons{display:flex;gap:15px}.result-button{flex:1;padding:15px;border-radius:10px;font-size:1.1rem;font-weight:600;transition:all .3s ease}.result-button.primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.result-button.secondary{background:#e0e0e0;color:#333}.result-button:hover{transform:scale(1.05)}.placeholder-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;text-align:center}.placeholder-icon{font-size:6rem;margin-bottom:30px}.placeholder-title{font-size:3rem;color:#fff;margin-bottom:20px;font-weight:700}.placeholder-text{font-size:1.5rem;color:#ffffffe6;margin-bottom:40px}.math-question-display{background:#fff;border-radius:20px;padding:50px;margin-bottom:30px;box-shadow:0 5px 20px #0000001a;text-align:center}.question-text{font-size:3.5rem;font-weight:700;color:#333}.answer-section{margin-top:20px;display:flex;flex-direction:column;gap:15px}.answer-input{padding:15px;border:2px solid #e0e0e0;border-radius:10px;font-size:1.5rem;text-align:center;font-weight:600;transition:border-color .3s ease}.answer-input:focus{border-color:#667eea}.answer-input:disabled{background:#f5f5f5;cursor:not-allowed}.submit-button{padding:15px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:10px;font-size:1.2rem;font-weight:600;transition:all .3s ease}.submit-button:hover:not(:disabled){transform:scale(1.02);box-shadow:0 5px 15px #667eea66}.submit-button:disabled{background:#ccc;cursor:not-allowed}.answer-feedback{padding:15px;border-radius:10px;font-size:1.3rem;font-weight:600;text-align:center}.answer-choices{margin-top:20px;display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.choice-button{padding:20px;background:#f5f5f5;border:3px solid #e0e0e0;border-radius:15px;font-size:1.8rem;font-weight:700;color:#333;transition:all .3s ease;min-height:80px;display:flex;align-items:center;justify-content:center}.choice-button:hover:not(:disabled){background:#e8e8e8;transform:translateY(-3px);box-shadow:0 5px 15px #0000001a}.choice-button:disabled{cursor:not-allowed}.choice-button.correct{background:#4caf50;color:#fff;border-color:#4caf50;animation:correctPulse .5s ease}.choice-button.wrong{background:#f44336;color:#fff;border-color:#f44336;animation:wrongShake .5s ease}@keyframes correctPulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.super-achievement{margin-bottom:30px;animation:bounceIn .8s ease}.stars{font-size:4rem;margin-bottom:10px}.super-text{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,gold,#ffed4e);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 2px 10px rgba(255,215,0,.3)}@keyframes bounceIn{0%{transform:scale(0);opacity:0}50%{transform:scale(1.2)}to{transform:scale(1);opacity:1}}@media (max-width: 1200px){.competition-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width: 768px){.home-title{font-size:2.5rem}.home-subtitle{font-size:1.2rem}.home-logo{max-width:200px}.competition-grid{grid-template-columns:repeat(2,1fr);gap:20px}.competition-card{padding:25px 15px}.competition-icon{font-size:3rem}.competition-title{font-size:1.05rem;min-height:44px}.competition-description{font-size:.85rem;min-height:55px}.question-count-grid{grid-template-columns:1fr}.game-board{flex-direction:column}.category-grid{grid-template-columns:1fr}.word-display{gap:5px}.letter-box{width:45px;height:55px;font-size:1.5rem}.level-grid,.operations-grid{grid-template-columns:repeat(2,1fr)}.answer-choices{grid-template-columns:1fr}.choice-button{font-size:1.5rem}.question-text{font-size:2.5rem}.super-text{font-size:2rem}.stars{font-size:3rem}}@media (max-width: 480px){.competition-grid{grid-template-columns:1fr}.home-logo{max-width:150px}.competition-card{padding:20px}}.setup-description{text-align:center;color:#555;margin-bottom:30px;line-height:1.6;font-size:1rem}.antonym-words-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;max-width:1400px;margin:0 auto;padding:20px}.antonym-word-button{padding:15px 10px;background:#fff;border:2px solid #e0e0e0;border-radius:12px;font-size:1rem;font-weight:600;color:#333;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px #0000001a;min-height:60px;display:flex;align-items:center;justify-content:center;text-align:center}.antonym-word-button:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 4px 12px #00000026;border-color:#667eea}.antonym-word-button.selected{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:#667eea;transform:scale(1.05);box-shadow:0 6px 15px #667eea66}.antonym-word-button.matched{background:linear-gradient(135deg,#4caf50,#45a049);color:#fff;border-color:#4caf50;cursor:not-allowed;opacity:.6}.antonym-word-button:disabled{cursor:not-allowed}.progress-info{text-align:center;margin-top:15px;padding-top:15px;border-top:2px solid #f0f0f0}.pairs-left{font-size:1.1rem;font-weight:600;color:#667eea}@media (max-width: 1024px){.antonym-words-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}.antonym-word-button{font-size:.9rem;padding:12px 8px;min-height:55px}}@media (max-width: 768px){.antonym-words-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:8px;padding:15px}.antonym-word-button{font-size:.85rem;padding:10px 6px;min-height:50px}.setup-description{font-size:.9rem}}@media (max-width: 480px){.antonym-words-grid{grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:6px;padding:10px}.antonym-word-button{font-size:.75rem;padding:8px 4px;min-height:45px}}.timer-container-visual{display:flex;align-items:center;gap:12px;background:linear-gradient(135deg,#667eea,#764ba2);padding:15px 25px;border-radius:15px;box-shadow:0 4px 15px #667eea4d}.timer-icon{font-size:2.5rem;animation:tickTock 1s ease-in-out infinite}@keyframes tickTock{0%,to{transform:rotate(-10deg)}50%{transform:rotate(10deg)}}.timer-display{display:flex;flex-direction:column;align-items:center;color:#333}.timer-value{font-size:2.5rem;font-weight:700;line-height:1;margin-bottom:2px;color:#333}.timer-label{font-size:.85rem;font-weight:500;opacity:.9;text-transform:uppercase;letter-spacing:1px}.timer-display.timer-warning{animation:pulseWarning .5s ease-in-out infinite}.timer-display.timer-warning .timer-value{color:#ffeb3b;text-shadow:0 0 10px rgba(255,235,59,.8)}@keyframes pulseWarning{0%,to{transform:scale(1)}50%{transform:scale(1.15)}}.scores-visual{display:flex;gap:15px}.score-card{display:flex;align-items:center;gap:12px;background:#fff;padding:12px 20px;border-radius:12px;border:3px solid #e0e0e0;box-shadow:0 3px 10px #0000001a;transition:all .3s ease;min-width:160px}.score-card:hover{transform:translateY(-2px);box-shadow:0 5px 15px #00000026}.score-card.active{border-color:#667eea;background:linear-gradient(135deg,#667eea1a,#764ba21a);box-shadow:0 0 0 3px #667eea33,0 5px 15px #667eea4d;transform:scale(1.05)}.score-player-icon{font-size:2rem;filter:grayscale(50%);transition:filter .3s ease}.score-card.active .score-player-icon{filter:grayscale(0%);animation:bounceIcon .6s ease-in-out}@keyframes bounceIcon{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}.score-details{display:flex;flex-direction:column;gap:2px}.score-card .score-name{font-size:.9rem;font-weight:600;color:#666}.score-card.active .score-name{color:#667eea;font-weight:700}.score-card .score-value{font-size:1.8rem;font-weight:700;color:#333;line-height:1}.score-card.active .score-value{color:#667eea}.current-player-card{display:flex;flex-direction:column;align-items:center;gap:8px;background:#fff;padding:15px 30px;border-radius:15px;border:3px solid #667eea;box-shadow:0 4px 15px #667eea40}.player-turn-label{font-size:.9rem;font-weight:600;color:#666;text-transform:uppercase;letter-spacing:1px}.player-turn-name{font-size:1.5rem;font-weight:700;color:#667eea;text-align:center}.game-over-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px 20px}.game-over-card{background:#fff;border-radius:25px;padding:50px;max-width:700px;width:100%;box-shadow:0 20px 60px #0000004d;animation:slideIn .5s ease}.game-over-header{text-align:center;margin-bottom:40px}.trophy-icon-large{font-size:5rem;margin-bottom:20px;animation:bounceIn .8s ease}.game-over-title{font-size:2.5rem;font-weight:700;color:#333;margin-bottom:0}.winner-section{text-align:center;padding:30px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:20px;margin-bottom:30px;box-shadow:0 10px 30px #667eea66}.winner-label{font-size:1.2rem;font-weight:600;color:#ffffffe6;text-transform:uppercase;letter-spacing:2px;margin-bottom:10px}.winner-name-display{font-size:3rem;font-weight:700;color:#fff;text-shadow:0 4px 10px rgba(0,0,0,.2)}.final-scores-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:30px}.player-score-card{display:flex;align-items:center;gap:15px;background:#f5f5f5;padding:20px;border-radius:15px;border:3px solid #e0e0e0;transition:all .3s ease}.player-score-card.winner{background:linear-gradient(135deg,gold,#ffed4e,gold);border-color:gold;box-shadow:0 8px 25px #ffd70080;transform:scale(1.05)}.player-score-icon{font-size:3rem;filter:grayscale(50%)}.player-score-card.winner .player-score-icon{filter:grayscale(0%);animation:bounceIcon .6s ease-in-out}.player-score-info{display:flex;flex-direction:column;gap:5px;flex:1}.player-score-name{font-size:1.2rem;font-weight:600;color:#333}.player-score-card.winner .player-score-name{font-weight:700;color:#8b6914}.player-score-points{font-size:2rem;font-weight:700;color:#667eea}.player-score-card.winner .player-score-points{color:#8b6914}.game-over-actions{display:flex;gap:15px}.game-over-actions .restart-button{flex:1;padding:18px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:12px;font-size:1.2rem;font-weight:600;transition:all .3s ease}.game-over-actions .restart-button:hover{transform:scale(1.05);box-shadow:0 8px 20px #667eea66}.game-over-actions .back-button{flex:1;padding:18px;background:#e0e0e0;color:#333;border-radius:12px;font-size:1.2rem;font-weight:600;transition:all .3s ease}.game-over-actions .back-button:hover{background:#d0d0d0;transform:scale(1.05)}@media (max-width: 768px){.timer-container-visual{padding:12px 18px;gap:10px}.timer-icon,.timer-value{font-size:2rem}.timer-label{font-size:.75rem}.scores-visual{flex-direction:column;gap:10px}.score-card{min-width:140px;padding:10px 15px}.score-player-icon{font-size:1.5rem}.score-card .score-name{font-size:.85rem}.score-card .score-value{font-size:1.5rem}.game-info{flex-direction:column}.current-player-card{padding:12px 20px}.player-turn-label{font-size:.8rem}.player-turn-name{font-size:1.2rem}.game-over-card{padding:30px 20px}.trophy-icon-large{font-size:4rem}.game-over-title,.winner-name-display{font-size:2rem}.final-scores-grid{grid-template-columns:1fr}.player-score-icon{font-size:2.5rem}.player-score-name{font-size:1rem}.player-score-points{font-size:1.5rem}.game-over-actions{flex-direction:column}}.game-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:120px 20px 40px}.riddle-game-play{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:90px 20px 20px}.riddle-game-content{max-width:900px;width:100%;display:flex;flex-direction:column;gap:20px}.riddle-top-info{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:15px 25px;border-radius:15px;box-shadow:0 3px 10px #0000001a}.player-info-riddle{display:flex;gap:20px;align-items:center}.player-name-riddle{font-size:1.2rem;font-weight:700;color:#333}.score-riddle{font-size:1.2rem;font-weight:600;color:#667eea}.riddle-progress{font-size:1.1rem;font-weight:600;color:#666}.riddle-card{background:#fff;border-radius:20px;padding:40px;box-shadow:0 8px 30px #00000026;position:relative}.timer-riddle{position:absolute;top:20px;right:20px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:10px 20px;border-radius:50px;font-size:1.5rem;font-weight:700;box-shadow:0 4px 15px 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#0003;max-width:700px;width:100%}.result-title{font-size:2.5rem;font-weight:700;color:#333;margin-bottom:30px;text-align:center}.result-scores{display:flex;align-items:center;justify-content:center;gap:30px;margin-bottom:40px}.player-result{text-align:center;flex:1}.player-result-name{font-size:1.3rem;font-weight:600;color:#666;margin-bottom:10px}.player-result-score{font-size:3rem;font-weight:700;color:#667eea}.vs-divider{font-size:1.5rem;font-weight:700;color:#999}.winner-announcement{text-align:center;margin-bottom:40px}.winner-icon{font-size:5rem;margin-bottom:15px}.winner-announcement h2{font-size:2rem;font-weight:700;color:#333}.result-buttons{display:flex;gap:15px;justify-content:center}.result-button{padding:15px 35px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:12px;font-size:1.1rem;font-weight:600;transition:all .3s ease}.result-button:hover{transform:scale(1.05);box-shadow:0 8px 20px #667eea66}.result-button.home-button{background:#e0e0e0;color:#333}.result-button.home-button:hover{background:#d0d0d0;box-shadow:0 5px 15px #0003}.question-count-buttons{display:flex;gap:15px;justify-content:center;flex-wrap:wrap}.count-button{padding:12px 25px;background:#f5f5f5;color:#333;border:3px solid transparent;border-radius:10px;font-size:1rem;font-weight:600;transition:all .3s ease}.count-button:hover{background:#e8e8e8;transform:scale(1.05)}.count-button.active{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:#667eea}.setup-info{background:#f9f9f9;padding:20px;border-radius:12px;display:flex;flex-direction:column;gap:12px}.info-item{display:flex;align-items:center;gap:12px;font-size:1rem;color:#555}.info-icon{font-size:1.5rem}@media (max-width: 1024px){.knowledge-players-section{grid-template-columns:1fr;gap:20px}.vs-divider-vertical{display:none}.knowledge-main-question{font-size:1.4rem}.knowledge-player-button{font-size:.95rem}}@media (max-width: 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