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rgba(131,56,236,.5)}to{filter:brightness(1.2);text-shadow:0 0 50px rgba(131,56,236,.8),0 0 80px rgba(0,245,255,.3)}}.game-header p{font-family:"Exo 2",sans-serif;font-size:1rem;color:#fffc;margin-bottom:1.5rem;font-weight:300;letter-spacing:.5px;padding:0 1rem}.navigation{margin-bottom:1rem}.nav-btn{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:12px;padding:.7rem 1.2rem;color:#fff;font-family:"Exo 2",sans-serif;font-size:.9rem;cursor:pointer;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 4px 15px #0003;min-height:44px;min-width:44px}.nav-btn:hover{background:#fff3;border-color:#00f5ff80;transform:translateY(-2px);box-shadow:0 6px 20px #00f5ff4d}.game-content,.game-info{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.5rem;width:100%;margin:0 auto}.current-player{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:15px;padding:1rem;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 8px 32px #0000004d;text-align:center;width:100%;max-width:400px;margin:0 auto}.current-player h3{font-family:Orbitron,monospace;font-size:1.1rem;margin:0;color:#ffffffe6}.player-indicator{font-size:1.3rem;font-weight:700;animation:playerGlow 2s ease-in-out infinite alternate}.player-indicator.x{background:linear-gradient(135deg,#ff006e,#8338ec);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.player-indicator.o{background:linear-gradient(135deg,#00f5ff,#8338ec);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@keyframes playerGlow{0%{filter:brightness(1)}to{filter:brightness(1.3)}}.score-board{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem;width:100%;max-width:400px;margin:0 auto;justify-items:center}.score-card{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:15px;padding:.8rem .5rem;text-align:center;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);transition:all .3s ease;position:relative;overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;min-width:0}.score-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,#00f5ff,#ff006e,#8338ec);transform:translate(-100%);transition:transform .3s ease}.score-card:hover:before{transform:translate(0)}.score-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px #0000004d;border-color:#8338ec80}.score-card h4{font-family:Orbitron,monospace;font-size:.8rem;margin:0 0 .3rem;color:#fffc;letter-spacing:.3px}.score-number{font-family:Orbitron,monospace;font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,#00f5ff,#ff006e);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:scoreGlow 2s ease-in-out infinite alternate}@keyframes scoreGlow{0%{filter:brightness(1)}to{filter:brightness(1.2)}}.game-board-container{display:flex;justify-content:center;align-items:center;width:100%;margin:0 auto}.game-board{display:grid;gap:8px;padding:1rem;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:20px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 8px 32px #0000004d,inset 0 1px #ffffff1a;position:relative;overflow:hidden;margin:0 auto}.game-board:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);animation:boardShimmer 3s linear infinite}@keyframes boardShimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.game-board.board-3x3{grid-template-columns:repeat(3,1fr)}.game-board.board-4x4{grid-template-columns:repeat(4,1fr)}.game-board.board-5x5{grid-template-columns:repeat(5,1fr)}.game-cell{width:60px;height:60px;background:#ffffff1a;border:2px solid rgba(255,255,255,.2);border-radius:12px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);min-height:60px;min-width:60px}.game-cell:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#00f5ff1a,#ff006e1a);opacity:0;transition:opacity .3s ease}.game-cell:hover:before{opacity:1}.game-cell:hover{transform:scale(1.05);border-color:#00f5ff80;box-shadow:0 10px 30px #0000004d,0 0 20px #00f5ff4d}.game-cell[data-filled=true]{cursor:not-allowed;background:#ffffff26;border-color:#ffffff4d}.game-cell[data-filled=true]:hover{transform:none;box-shadow:none}.cell-content{font-size:1.8rem;font-weight:700;animation:cellAppear .5s ease-out}@keyframes cellAppear{0%{opacity:0;transform:scale(.5) rotate(180deg)}to{opacity:1;transform:scale(1) rotate(0)}}.board-3x3 .game-cell{width:70px;height:70px}.board-4x4 .game-cell{width:55px;height:55px}.board-5x5 .game-cell{width:45px;height:45px}.board-3x3 .cell-content{font-size:2rem}.board-4x4 .cell-content{font-size:1.5rem}.board-5x5 .cell-content{font-size:1.2rem}@media (min-width: 1024px){.game-board.board-3x3 .game-cell{width:120px!important;height:120px!important}.game-board.board-4x4 .game-cell{width:90px!important;height:90px!important}.game-board.board-5x5 .game-cell{width:75px!important;height:75px!important}.game-board.board-3x3 .cell-content{font-size:3.5rem!important}.game-board.board-4x4 .cell-content{font-size:2.8rem!important}.game-board.board-5x5 .cell-content{font-size:2.2rem!important}}.win-animation{animation:winCelebration 1s ease-in-out}@keyframes winCelebration{0%,to{transform:scale(1)}25%{transform:scale(1.1) rotate(5deg)}50%{transform:scale(1.2) rotate(-5deg)}75%{transform:scale(1.1) rotate(5deg)}}.winning-cell{background:linear-gradient(135deg,#00f5ff4d,#ff006e4d)!important;border-color:#00f5ffcc!important;box-shadow:0 0 30px #00f5ff99,0 0 60px #ff006e66,inset 0 0 20px #fff3!important;animation:winningCellPulse 2s ease-in-out infinite}@keyframes winningCellPulse{0%,to{transform:scale(1);filter:brightness(1)}50%{transform:scale(1.05);filter:brightness(1.3)}}.strike-out-line{position:absolute;height:4px;background:linear-gradient(90deg,transparent 0%,rgba(0,245,255,.8) 20%,rgba(255,0,110,1) 50%,rgba(131,56,236,.8) 80%,transparent 100%);border-radius:2px;box-shadow:0 0 15px #00f5ffcc,0 0 30px #ff006e99;z-index:10;transform-origin:0 50%;animation:strikeOutGlow 1.5s ease-in-out infinite alternate;opacity:0;transform:scaleX(0);transition:all .6s cubic-bezier(.25,.46,.45,.94)}.strike-out-line.animate{opacity:1;transform:scaleX(1)}@keyframes strikeOutGlow{0%{filter:brightness(1);box-shadow:0 0 15px #00f5ffcc,0 0 30px #ff006e99}to{filter:brightness(1.5);box-shadow:0 0 25px #00f5ff,0 0 50px #ff006ecc,0 0 75px #8338ec66}}.game-controls{display:flex;flex-direction:column;gap:1rem;align-items:center;justify-content:center;width:100%;margin:0 auto}.game-btn{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:12px;padding:1rem;color:#fff;font-family:Orbitron,monospace;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #0003;letter-spacing:.5px;position:relative;overflow:hidden;width:100%;max-width:280px;min-height:44px}.game-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.game-btn:hover:before{left:100%}.game-btn:hover{transform:translateY(-3px);box-shadow:0 8px 25px #0000004d}.reset-btn{background:linear-gradient(135deg,#ff006e,#8338ec)}.new-game-btn{background:linear-gradient(135deg,#00f5ff,#8338ec)}.game-status{text-align:center;font-family:Orbitron,monospace;font-size:1rem;color:#ffffffe6;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:.8rem 1rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .3s ease;width:100%;max-width:400px;margin:0 auto}.status-update{animation:statusPulse 1s ease-in-out}@keyframes statusPulse{0%{transform:scale(1)}50%{transform:scale(1.05);background:#00f5ff1a}to{transform:scale(1)}}.setup-container{max-width:900px;margin:0 auto;padding:1.5rem;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:20px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 8px 32px #0000004d}.setup-container h2{font-family:Orbitron,monospace;font-size:1.5rem;text-align:center;color:#fff;margin-bottom:1.5rem;background:linear-gradient(135deg,#00f5ff,#ff006e,#8338ec);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.setup-section{margin-bottom:1.5rem;padding:1rem;background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:15px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.setup-sections-container{display:flex;flex-direction:column;gap:1rem}@media (min-width: 768px){.setup-sections-container{display:flex!important;flex-direction:row!important;gap:1.5rem!important;align-items:stretch!important;justify-content:space-between!important}.setup-sections-container .setup-section{flex:1!important;margin-bottom:0!important;display:flex!important;flex-direction:column!important;justify-content:flex-start!important;min-width:0!important}.setup-sections-container .setup-section h3{margin-bottom:1.5rem!important;flex-shrink:0!important;text-align:center!important}.setup-sections-container .setup-section .player-inputs,.setup-sections-container .setup-section .symbol-selection,.setup-sections-container .setup-section .board-size-selection{flex-grow:1!important;display:flex!important;flex-direction:column!important;justify-content:center!important;align-items:center!important}}@media (min-width: 1024px){.setup-sections-container{gap:2rem!important}.setup-sections-container .setup-section{min-height:320px!important;padding:1.5rem!important}}.setup-section h3{font-family:Orbitron,monospace;font-size:1.1rem;color:#ffffffe6;margin-bottom:1rem;text-align:center}.player-inputs{display:flex;flex-direction:column;gap:1rem;width:100%}.input-group{display:flex;flex-direction:column;gap:.5rem}.input-group label{font-family:"Exo 2",sans-serif;font-size:.9rem;color:#fffc;font-weight:500}.input-group input[type=text]{padding:.8rem;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:10px;color:#fff;font-family:"Exo 2",sans-serif;font-size:.9rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .3s ease}.input-group input[type=text]:focus{outline:none;border-color:#00f5ff80;box-shadow:0 0 20px #00f5ff4d;background:#ffffff26}.input-group input[type=text]::placeholder{color:#ffffff80}.symbol-selection{display:flex;flex-direction:column;gap:.8rem;justify-content:center;align-items:center}.symbol-option{width:100%;max-width:200px}.symbol-option input[type=radio]{display:none}.symbol-option label{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:.8rem;background:#ffffff0d;border:2px solid rgba(255,255,255,.1);border-radius:12px;cursor:pointer;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);min-height:60px}.symbol-option input[type=radio]:checked+label{border-color:#00f5ff99;background:#00f5ff1a;box-shadow:0 0 20px #00f5ff4d}.symbol-display{font-size:1.3rem;width:45px;height:45px;display:flex;align-items:center;justify-content:center;background:#ffffff1a;border-radius:10px;transition:all .3s ease}.symbol-display.x-symbol{background:linear-gradient(135deg,#ff006e33,#8338ec33);color:#ff006e}.symbol-display.o-symbol{background:linear-gradient(135deg,#00f5ff33,#8338ec33);color:#00f5ff}.symbol-text{font-family:"Exo 2",sans-serif;font-size:.8rem;color:#fffc;font-weight:500}.board-size-selection{display:flex;flex-direction:column;gap:.8rem;justify-content:center;align-items:center}.size-option{width:100%;max-width:120px}.size-option input[type=radio]{display:none}.size-option label{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:.8rem;background:#ffffff0d;border:2px solid rgba(255,255,255,.1);border-radius:12px;cursor:pointer;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);min-height:60px}.size-option input[type=radio]:checked+label{border-color:#8338ec99;background:#8338ec1a;box-shadow:0 0 20px #8338ec4d}.size-display{font-family:Orbitron,monospace;font-size:1.1rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#00f5ff,#8338ec);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.size-text{font-family:"Exo 2",sans-serif;font-size:.7rem;color:#ffffffb3;font-weight:400}.setup-controls{display:flex;justify-content:center;margin-top:1.5rem}.start-game-btn{background:linear-gradient(135deg,#00f5ff,#8338ec);font-size:1rem;padding:1rem 2rem;min-width:180px}.start-game-btn:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 10px 30px #00f5ff66}@media (min-width: 768px){.tic-tac-toe-container{padding:2rem}.game-header h1{font-size:2.5rem}.game-header p{font-size:1.2rem}.game-info{flex-direction:column;justify-content:center;align-items:center;gap:1.5rem}.score-board{grid-template-columns:repeat(3,1fr);max-width:500px;justify-content:center;align-items:center}.current-player{max-width:300px}.game-board.board-3x3 .game-cell{width:90px;height:90px}.game-board.board-4x4 .game-cell{width:70px;height:70px}.game-board.board-5x5 .game-cell{width:60px;height:60px}.game-board.board-3x3 .cell-content{font-size:2.8rem}.game-board.board-4x4 .cell-content{font-size:2.2rem}.game-board.board-5x5 .cell-content{font-size:1.8rem}.game-controls{flex-direction:row;gap:1.5rem}.game-btn{width:auto;min-width:180px}.setup-sections-container{display:flex!important;flex-direction:row!important;gap:1.5rem;align-items:stretch;justify-content:space-between}.setup-sections-container .setup-section{flex:1;min-height:320px;display:flex;flex-direction:column;justify-content:flex-start;margin-bottom:0}.setup-sections-container .setup-section h3{margin-bottom:1.5rem;flex-shrink:0;text-align:center}.setup-sections-container .setup-section>div{flex-grow:1;display:flex;flex-direction:column;justify-content:center;align-items:center}.symbol-selection,.board-size-selection{flex-direction:column;gap:1rem;justify-content:center;align-items:center}.player-inputs{flex-direction:column;gap:1rem;justify-content:center;align-items:stretch}}@media (min-width: 1024px){.tic-tac-toe-container{padding:2rem}.game-header h1{font-size:3.5rem}.game-header p{font-size:1.3rem;padding:0}.game-info{gap:2rem;justify-content:center;align-items:center;flex-direction:column}.score-board{gap:2rem;max-width:600px;grid-template-columns:repeat(3,1fr);justify-content:center;align-items:center}.score-card{padding:2rem}.score-card h4{font-size:1rem}.score-number{font-size:2.5rem}.current-player{padding:1.5rem 2rem;max-width:500px}.current-player h3{font-size:1.5rem}.player-indicator{font-size:1.8rem}.game-board{padding:2rem;gap:15px}.game-status{font-size:1.3rem;padding:1rem 2rem;max-width:500px}.game-controls{gap:2rem;flex-direction:row}.game-btn{padding:1rem 2rem;font-size:1rem;min-width:200px;width:auto}.setup-container{padding:2rem;max-width:1000px}.setup-container h2{font-size:2rem;margin-bottom:2rem}.setup-sections-container{gap:2rem;flex-direction:row}.setup-sections-container .setup-section{min-height:320px;padding:1.5rem;flex:1}.setup-section h3{font-size:1.3rem;margin-bottom:1.5rem}.symbol-selection{flex-direction:row;gap:1rem}.symbol-option{max-width:120px}.symbol-display{width:60px;height:60px;font-size:2rem}.symbol-text{font-size:.9rem}.board-size-selection{flex-direction:row;gap:1rem}.size-option{max-width:100px}.size-display{font-size:1.5rem}.size-text{font-size:.8rem}.player-inputs{flex-direction:row;gap:1rem}.input-group input[type=text]{padding:.8rem 1rem;font-size:1rem}.start-game-btn{font-size:1.1rem;padding:1rem 2.5rem;min-width:200px}.nav-btn{padding:.8rem 1.5rem;font-size:1rem}}@media (max-width: 768px) and (orientation: landscape){.tic-tac-toe-container{padding:.5rem}.game-header{margin-bottom:1rem}.game-header h1{font-size:1.8rem}.game-header p{font-size:.9rem;margin-bottom:1rem}.game-info{flex-direction:column;justify-content:center;align-items:center;gap:1rem}.score-board{grid-template-columns:repeat(3,1fr);max-width:300px;justify-content:center;align-items:center}.current-player{max-width:200px}.setup-sections-container{flex-direction:row;gap:1rem}.setup-sections-container .setup-section{min-height:240px}}@media (max-width: 360px){.tic-tac-toe-container{padding:.5rem}.game-header h1{font-size:1.8rem}.game-header p{font-size:.9rem}.game-board{padding:.5rem;gap:6px}.board-3x3 .game-cell{width:60px;height:60px}.board-4x4 .game-cell{width:48px;height:48px}.board-5x5 .game-cell{width:40px;height:40px}.board-3x3 .cell-content{font-size:1.8rem}.board-4x4 .cell-content{font-size:1.3rem}.board-5x5 .cell-content{font-size:1rem}.setup-container{padding:1rem}.setup-container h2{font-size:1.3rem}.symbol-display{width:40px;height:40px;font-size:1.2rem}.start-game-btn{padding:.9rem 1.5rem;font-size:.9rem;min-width:160px}}.snake-container{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;position:relative;background:radial-gradient(ellipse at bottom,#1b2735,#090a0f);background-attachment:fixed;overflow-x:hidden}.snake-header{text-align:center;margin-bottom:30px;z-index:10}.snake-header h1{font-family:Orbitron,monospace;font-size:3rem;font-weight:900;background:linear-gradient(45deg,#00f5ff,#ff006e,#8338ec);background-size:300% 300%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:gradientShift 3s ease infinite;text-shadow:0 0 30px rgba(0,245,255,.5);margin-bottom:10px}.snake-header p{font-family:"Exo 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#0003}.horizontal-controls{display:flex;gap:10px;align-items:center}.direction-btn{width:50px;height:50px;border:none;border-radius:50%;background:#ffffff26;color:#00f5ff;font-size:1.2rem;cursor:pointer;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.3);box-shadow:0 2px 10px #0003;display:flex;align-items:center;justify-content:center}.direction-btn:hover{background:#00f5ff33;transform:scale(1.1);box-shadow:0 4px 15px #00f5ff4d}.direction-btn:active{transform:scale(.95);background:#00f5ff4d}.direction-btn i{pointer-events:none}.game-controls{display:flex;gap:15px;justify-content:center;flex-wrap:wrap;width:100%}.control-btn{font-family:"Exo 2",sans-serif;font-size:1rem;font-weight:600;padding:12px 24px;border:none;border-radius:25px;cursor:pointer;transition:all .3s ease;background:#ffffff1a;color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);box-shadow:0 4px 15px #0003;position:relative;overflow:hidden}.control-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.control-btn:hover:before{left:100%}.control-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0000004d}.control-btn:active{transform:translateY(0)}.control-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.control-btn:disabled:hover{transform:none;box-shadow:0 4px 15px #0003}.control-btn.primary{background:linear-gradient(45deg,#00f5ff,#ff006e);color:#fff;text-shadow:0 0 10px rgba(0,0,0,.5)}.control-btn.primary:hover{box-shadow:0 6px 25px #00f5ff66}.control-btn.secondary{background:linear-gradient(45deg,#8338ec,#ff006e);color:#fff;text-shadow:0 0 10px rgba(0,0,0,.5)}.control-btn.secondary:hover{box-shadow:0 6px 25px #8338ec66}.game-instructions{text-align:center;background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:15px;padding:20px;width:100%;max-width:500px}.game-instructions h3{font-family:Orbitron,monospace;color:#00f5ff;margin-bottom:15px;text-shadow:0 0 10px rgba(0,245,255,.5)}.instructions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:10px;margin-bottom:15px}.instruction-item{display:flex;flex-direction:column;align-items:center;gap:5px;padding:10px;background:#ffffff1a;border-radius:10px;transition:all .3s ease}.instruction-item:hover{transform:translateY(-2px);background:#ffffff26}.instruction-item i{font-size:1.2rem;color:#ff006e}.instruction-item span{font-family:"Exo 2",sans-serif;color:#ffffffe6;font-size:.9rem}.game-instructions p{font-family:"Exo 2",sans-serif;color:#ffffffb3;margin:0;font-size:.9rem}.game-over-effect{animation:gameOverShake .5s ease-in-out}@keyframes gameOverShake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.food-particle{position:absolute;width:4px;height:4px;background:#8338ec;border-radius:50%;animation:foodParticle 1s ease-out forwards;box-shadow:0 0 6px #8338ec}@keyframes foodParticle{0%{transform:scale(1) translateY(0);opacity:1}to{transform:scale(.5) translateY(-20px);opacity:0}}@media (max-width: 768px){.snake-container{padding:10px}.snake-header h1{font-size:2rem}.snake-header p{font-size:1rem}.game-info{flex-direction:column;gap:15px;padding:15px}.score-display{justify-content:space-between;width:100%}.score-display h3{font-size:1rem}#game-canvas{width:300px;height:300px}.direction-controls{padding:12px}.direction-btn{width:45px;height:45px;font-size:1.1rem}.game-controls{display:grid!important;grid-template-columns:1fr 1fr 1fr 1fr;gap:6px;width:100%}.control-btn{padding:6px 8px;font-size:.75rem;min-width:0;width:100%;white-space:nowrap}.game-instructions{padding:15px}.instructions-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 480px){.snake-header h1{font-size:1.5rem}.snake-header p{font-size:.9rem}.score-display{flex-direction:column;gap:10px;text-align:center}#game-canvas{width:250px;height:250px}.game-board-section{gap:15px}.direction-controls{padding:10px;gap:8px}.direction-btn{width:40px;height:40px;font-size:1rem}.horizontal-controls{gap:8px}.game-controls{display:grid!important;grid-template-columns:1fr 1fr 1fr 1fr;gap:4px;width:100%;overflow-x:auto}.control-btn{padding:4px 6px;font-size:.65rem;min-width:0;width:100%;max-width:none;white-space:nowrap}.control-btn i{margin-right:2px}.instructions-grid{grid-template-columns:1fr 1fr}}@media (max-width: 360px){.game-controls{display:grid!important;grid-template-columns:1fr 1fr 1fr 1fr;gap:2px;width:100%}.control-btn{padding:4px 2px;font-size:.6rem;min-width:0;width:100%;height:36px;border-radius:18px;display:flex;align-items:center;justify-content:center}.control-btn .btn-text{display:none}.control-btn i{font-size:.9rem;margin:0}}.cosmic-effect{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1;background:radial-gradient(2px 2px at 20px 30px,#eee,transparent),radial-gradient(2px 2px at 40px 70px,rgba(255,255,255,.8),transparent),radial-gradient(1px 1px at 90px 40px,#fff,transparent),radial-gradient(1px 1px at 130px 80px,rgba(255,255,255,.6),transparent),radial-gradient(2px 2px at 160px 30px,#ddd,transparent);background-repeat:repeat;background-size:200px 100px;animation:sparkle 6s linear infinite}@keyframes sparkle{0%{transform:translateY(0)}to{transform:translateY(-100px)}}.particles{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1}.particle{position:absolute;width:2px;height:2px;background:#ffffff80;border-radius:50%;animation:float 6s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0) rotate(0);opacity:1}50%{transform:translateY(-20px) rotate(180deg);opacity:.5}}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}