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top,transparent,var(--secondary-color),transparent)}.holographic-display{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:10px}.holo-text{font-family:Orbitron,monospace;font-size:.9rem;color:var(--accent-color);text-shadow:0 0 10px var(--accent-color);animation:textGlow 2s ease-in-out infinite alternate}.holo-bars{display:flex;gap:3px;align-items:end}.bar{width:4px;background:var(--accent-color);border-radius:2px;animation:barPulse 1.5s ease-in-out infinite}.bar-1{height:8px;animation-delay:0s}.bar-2{height:12px;animation-delay:.1s}.bar-3{height:16px;animation-delay:.2s}.bar-4{height:12px;animation-delay:.3s}.bar-5{height:8px;animation-delay:.4s}@keyframes coreRotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes pulseExpand{0%{transform:scale(1);opacity:1}to{transform:scale(1.5);opacity:0}}@keyframes iconFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}@keyframes floatOrbit{0%{transform:rotate(0) translate(60px) rotate(0)}to{transform:rotate(360deg) translate(60px) rotate(-360deg)}}@keyframes streamFlow{0%,to{opacity:0;transform:translateY(0)}50%{opacity:1;transform:translateY(20px)}}@keyframes textGlow{0%{text-shadow:0 0 10px var(--accent-color)}to{text-shadow:0 0 20px var(--accent-color),0 0 30px var(--accent-color)}}@keyframes barPulse{0%,to{transform:scaleY(1);opacity:.7}50%{transform:scaleY(1.5);opacity:1}}.simon-instructions{padding:20px}.simon-instructions h2{font-size:2rem;margin-bottom:30px;color:var(--accent-color);text-align:center;font-family:Orbitron,monospace}.simon-instruction-steps{margin-bottom:40px}.simon-step{display:flex;align-items:center;gap:20px;margin-bottom:20px;padding:20px;background:#6e00ff1a;border-radius:15px;border:1px solid rgba(0,247,255,.3);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .3s ease}.simon-step:hover{background:#6e00ff26;border-color:var(--accent-color);transform:translate(5px)}.simon-step-number{width:40px;height:40px;background:linear-gradient(45deg,var(--primary-color),var(--secondary-color));border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;flex-shrink:0;font-family:Orbitron,monospace}.simon-step p{margin:0;font-size:1.1rem;line-height:1.5;color:var(--text-muted)}.simon-game-rules{background:#9d00ff1a;padding:25px;border-radius:15px;border:1px solid rgba(255,0,228,.3);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.simon-game-rules h3{color:var(--secondary-color);margin-bottom:15px;font-size:1.5rem;font-family:Orbitron,monospace}.simon-game-rules ul{list-style:none;padding:0;text-align:start}.simon-game-rules li{margin-bottom:10px;padding-left:20px;position:relative;line-height:1.6;color:var(--text-muted)}.simon-game-rules li:before{content:"▶";position:absolute;left:0;color:var(--accent-color);font-size:.8rem}.simon-actions{display:flex;justify-content:center;margin-top:0}.simon-play-btn{background:linear-gradient(45deg,var(--primary-color),var(--secondary-color));border:none;color:#fff;padding:20px 40px;font-size:1.3rem;font-weight:700;font-family:Orbitron,monospace;border-radius:50px;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:10px;box-shadow:0 10px 30px #6e00ff4d}.simon-play-btn:hover{transform:translateY(-3px);box-shadow:0 15px 40px #6e00ff80;background:linear-gradient(45deg,var(--secondary-color),var(--primary-color))}.simon-settings-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#000c;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.simon-settings-content{background:linear-gradient(135deg,var(--dark-bg),#1a1a2e);padding:30px;border-radius:20px;border:2px solid var(--accent-color);min-width:400px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 0 40px #00f7ff33}.simon-settings-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.simon-settings-header h3{color:var(--accent-color);margin:0;font-size:1.5rem;font-family:Orbitron,monospace}.simon-close-btn{background:none;border:none;color:var(--secondary-color);font-size:2rem;cursor:pointer;transition:all .3s ease}.simon-close-btn:hover{color:var(--accent-color);transform:rotate(90deg)}.simon-setting-group{margin-bottom:20px}.simon-setting-group label{display:block;margin-bottom:8px;font-weight:700;color:var(--secondary-color);font-family:Orbitron,monospace}.simon-setting-group select{width:100%;padding:10px;border:2px solid var(--accent-color);border-radius:8px;background:#00f7ff1a;color:var(--text-light);font-size:1rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.simon-setting-group input[type=checkbox]{margin-right:10px;transform:scale(1.5);accent-color:var(--accent-color)}.simon-save-settings-btn{background:linear-gradient(45deg,var(--accent-color),var(--primary-color));border:none;color:#fff;padding:12px 24px;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:700;font-family:Orbitron,monospace;transition:all .3s ease;width:100%;margin-top:20px}.simon-save-settings-btn:hover{transform:translateY(-2px);box-shadow:0 5px 15px #00f7ff4d}.demo-indicator{position:absolute;top:10px;right:10px;background:#00f7ff33;color:var(--accent-color);padding:5px 10px;border-radius:20px;font-size:.8rem;font-family:Orbitron,monospace;border:1px solid var(--accent-color);animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}@media (max-width: 768px){.simon-main-content{grid-template-columns:1fr;gap:30px}.simon-logo h1{font-size:2rem}.simon-game-preview-container{order:1}.simon-instructions{order:2}.game-theme-container{width:280px;height:280px}.simon-container{padding:15px}.simon-settings-content{min-width:300px;margin:20px}}@media (max-width: 480px){.simon-logo h1{font-size:1.5rem}.game-theme-container{width:220px;height:220px}.simon-step{flex-direction:column;text-align:center;gap:10px}.simon-play-btn{padding:15px 30px;font-size:1.1rem}}body{font-family:Arial,sans-serif;background:var(--dark-bg);color:var(--text-light);overflow-x:hidden}.htpg-container{position:relative;min-height:100vh;background:linear-gradient(135deg,var(--dark-bg) 0%,#1a0f2e 50%,#0f1a2e 100%);overflow:hidden}.htpg-background-animation{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1}.htpg-floating-orb{position:absolute;border-radius:50%;filter:blur(1px);animation:float 6s ease-in-out infinite}.htpg-orb-1{width:120px;height:120px;background:radial-gradient(circle,var(--neon-blue) 0%,transparent 70%);top:10%;left:10%;animation-delay:0s;animation-duration:8s}.htpg-orb-2{width:80px;height:80px;background:radial-gradient(circle,var(--neon-purple) 0%,transparent 70%);top:60%;left:80%;animation-delay:-2s;animation-duration:10s}.htpg-orb-3{width:100px;height:100px;background:radial-gradient(circle,var(--neon-pink) 0%,transparent 70%);top:30%;left:70%;animation-delay:-4s;animation-duration:12s}.htpg-orb-4{width:60px;height:60px;background:radial-gradient(circle,var(--primary-color) 0%,transparent 70%);top:80%;left:20%;animation-delay:-1s;animation-duration:9s}.htpg-orb-5{width:90px;height:90px;background:radial-gradient(circle,var(--secondary-color) 0%,transparent 70%);top:20%;left:40%;animation-delay:-3s;animation-duration:11s}@keyframes float{0%,to{transform:translateY(0) translate(0) rotate(0);opacity:.5}33%{transform:translateY(-30px) translate(20px) rotate(120deg);opacity:.8}66%{transform:translateY(20px) translate(-15px) rotate(240deg);opacity:.6}}.htpg-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#0f0f1a4d,#6e00ff1a,#ff00e41a,#00f7ff1a,#0f0f1a4d);z-index:2;pointer-events:none}.htpg-settings-btn{position:absolute;top:20px;right:20px;background:#ffffff1a;border:2px solid var(--accent-color);border-radius:50%;width:50px;height:50px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;z-index:10;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.htpg-settings-btn:hover{background:#00f7ff33;transform:scale(1.1);box-shadow:0 0 20px #00f7ff80}.htpg-settings-btn .htpg-icon{width:20px;height:20px;color:var(--accent-color)}.htpg-content{position:relative;z-index:3;padding:60px 40px 40px;max-width:1400px;margin:0 auto}.htpg-header{text-align:center;margin-bottom:50px}.htpg-title{font-size:4rem;font-weight:700;background:linear-gradient(45deg,var(--primary-color),var(--secondary-color),var(--accent-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:10px;text-shadow:0 0 30px rgba(110,0,255,.3)}.htpg-subtitle{font-size:1.2rem;color:var(--text-muted);font-weight:300}.htpg-game-layout{display:flex;gap:60px;align-items:flex-start;justify-content:center}.htpg-left-section{flex:1;max-width:400px;display:flex;flex-direction:column;align-items:center;gap:30px}.htpg-demo-board{background:#ffffff0d;border-radius:20px;padding:30px;border:1px solid rgba(0,247,255,.3);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 10px 30px #0000004d}.htpg-demo-title{text-align:center;font-size:1.1rem;color:var(--accent-color);margin-bottom:20px;font-weight:600}.htpg-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;width:280px;height:280px}.htpg-tile{display:flex;align-items:center;justify-content:center;border-radius:8px;font-weight:700;font-size:1.2rem;transition:all .3s ease;position:relative;overflow:hidden}.htpg-tile:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,transparent,rgba(255,255,255,.1),transparent);transform:translate(-100%);transition:transform .6s ease}.htpg-tile:hover:before{transform:translate(100%)}.htpg-tile-empty{background:#ffffff1a;border:1px solid rgba(255,255,255,.2)}.htpg-tile-2{background:linear-gradient(135deg,#eee4da,#ede0c8);color:#776e65}.htpg-tile-4{background:linear-gradient(135deg,#ede0c8,#edc850);color:#776e65}.htpg-tile-8{background:linear-gradient(135deg,#f2b179,#f59563);color:#f9f6f2}.htpg-tile-16{background:linear-gradient(135deg,#f59563,#f67c5f);color:#f9f6f2}.htpg-tile-32{background:linear-gradient(135deg,#f67c5f,#f65e3b);color:#f9f6f2}.htpg-tile-64{background:linear-gradient(135deg,#f65e3b,var(--secondary-color));color:#f9f6f2}.htpg-tile-128{background:linear-gradient(135deg,var(--secondary-color),var(--primary-color));color:#f9f6f2;font-size:1rem}.htpg-tile-256{background:linear-gradient(135deg,var(--primary-color),var(--neon-purple));color:#f9f6f2;font-size:1rem}.htpg-tile-512{background:linear-gradient(135deg,var(--neon-purple),var(--accent-color));color:#f9f6f2;font-size:1rem}.htpg-tile-1024{background:linear-gradient(135deg,var(--accent-color),var(--neon-blue));color:#f9f6f2;font-size:.9rem}.htpg-tile-2048{background:linear-gradient(135deg,var(--neon-blue),var(--primary-color));color:#f9f6f2;font-size:.9rem;box-shadow:0 0 20px #00f7ff80;animation:pulse 2s infinite}@keyframes pulse{0%,to{box-shadow:0 0 20px #00f7ff80}50%{box-shadow:0 0 30px #00f7ffcc}}.htpg-start-btn{width:100%;max-width:280px}.htpg-btn{background:linear-gradient(45deg,var(--primary-color),var(--secondary-color));border:none;border-radius:50px;padding:15px 30px;font-size:1.1rem;font-weight:600;color:var(--text-light);cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:10px;position:relative;overflow:hidden}.htpg-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}.htpg-btn:hover:before{left:100%}.htpg-btn:hover{transform:translateY(-2px);box-shadow:0 10px 25px #6e00ff4d}.htpg-btn-primary{background:linear-gradient(45deg,var(--primary-color),var(--secondary-color))}.htpg-btn .htpg-icon{width:20px;height:20px}.htpg-right-section{flex:1;max-width:500px}.htpg-instructions-card{background:#ffffff0d;border-radius:20px;padding:30px;border:1px solid rgba(0,247,255,.3);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 10px 30px #0000004d}.htpg-card-header{margin-bottom:25px;text-align:center}.htpg-card-title{font-size:1.8rem;color:var(--accent-color);font-weight:600}.htpg-rules{display:flex;flex-direction:column;gap:20px}.htpg-rule{display:flex;align-items:flex-start;gap:15px;padding:15px;background:#ffffff0d;border-radius:15px;border:1px solid rgba(255,255,255,.1);transition:all .3s ease}.htpg-rule:hover{background:#ffffff1a;transform:translate(5px)}.htpg-rule-number{background:linear-gradient(45deg,var(--primary-color),var(--secondary-color));color:var(--text-light);width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;flex-shrink:0}.htpg-rule-text h3{color:var(--text-light);font-size:1.1rem;margin-bottom:5px;font-weight:600}.htpg-rule-text p{color:var(--text-muted);font-size:.9rem;line-height:1.4}.htpg-modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.htpg-modal{background:linear-gradient(135deg,var(--dark-bg),#1a0f2e);border-radius:20px;width:90%;max-width:400px;border:2px solid var(--accent-color);box-shadow:0 20px 40px #00000080;overflow:hidden}.htpg-modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px;background:#ffffff0d;border-bottom:1px solid rgba(255,255,255,.1)}.htpg-modal-title{font-size:1.3rem;color:var(--accent-color);font-weight:600}.htpg-close-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:5px;border-radius:50%;transition:all .3s ease}.htpg-close-btn:hover{color:var(--text-light);background:#ffffff1a}.htpg-close-btn .htpg-icon{width:20px;height:20px}.htpg-modal-content{padding:20px}.htpg-setting-item{display:flex;align-items:center;justify-content:space-between;padding:15px 0}.htpg-setting-label{display:flex;align-items:center;gap:10px;font-size:1rem;color:var(--text-light)}.htpg-setting-icon{width:20px;height:20px;color:var(--accent-color)}.htpg-toggle{position:relative;width:50px;height:24px;border-radius:12px;cursor:pointer;transition:all .3s ease;border:none;outline:none}.htpg-toggle-off{background:#fff3}.htpg-toggle-on{background:linear-gradient(45deg,var(--primary-color),var(--secondary-color))}.htpg-toggle-slider{position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .3s ease}.htpg-toggle-on .htpg-toggle-slider{transform:translate(26px)}@media (max-width: 768px){.htpg-content{padding:40px 20px}.htpg-game-layout{flex-direction:column;gap:30px;align-items:center}.htpg-title{font-size:2.5rem}.htpg-grid{width:240px;height:240px}.htpg-tile{font-size:1rem}.htpg-tile-128,.htpg-tile-256,.htpg-tile-512{font-size:.8rem}.htpg-tile-1024,.htpg-tile-2048{font-size:.7rem}.htpg-left-section,.htpg-right-section{max-width:100%}.htpg-floating-orb{display:none}}:root{--primary-color: #6e00ff;--secondary-color: #ff00e4;--accent-color: #00f7ff;--dark-bg: #0f0f1a;--text-light: #ffffff;--text-muted: rgba(255, 255, 255, .7);--neon-blue: #00f7ff;--neon-purple: #9d00ff;--neon-pink: #ff00e4}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Montserrat,sans-serif;background:var(--dark-bg);color:var(--text-light);overflow-x:hidden}.htpc-background{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1;background:linear-gradient(45deg,var(--dark-bg),#1a0033,#001a33);animation:htpc-gradient-shift 8s ease-in-out infinite}.htpc-background:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at center,transparent 0%,rgba(110,0,255,.1) 50%,transparent 100%);animation:htpc-pulse 4s ease-in-out infinite alternate}@keyframes htpc-gradient-shift{0%,to{background:linear-gradient(45deg,var(--dark-bg),#1a0033,#001a33)}50%{background:linear-gradient(45deg,#1a0033,var(--dark-bg),#331a00)}}@keyframes htpc-pulse{0%{opacity:.3}to{opacity:.7}}.htpc-particles{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:-1}.htpc-particle{position:absolute;width:2px;height:2px;background:var(--neon-blue);border-radius:50%;animation:htpc-float 6s linear infinite}.htpc-particle:nth-child(2){background:var(--neon-purple);animation-delay:-1s;animation-duration:8s}.htpc-particle:nth-child(3){background:var(--neon-pink);animation-delay:-2s;animation-duration:7s}.htpc-particle:nth-child(4){background:var(--accent-color);animation-delay:-3s;animation-duration:9s}@keyframes htpc-float{0%{transform:translateY(100vh) rotate(0);opacity:0}10%{opacity:1}90%{opacity:1}to{transform:translateY(-100px) rotate(360deg);opacity:0}}.htpc-container{min-height:100vh;display:flex;position:relative;z-index:1}.htpc-header{position:fixed;top:0;left:0;right:0;height:70px;background:#0f0f1ae6;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid rgba(110,0,255,.3);z-index:1000;display:flex;align-items:center;justify-content:space-between;padding:0 30px}.htpc-logo{font-family:Orbitron,monospace;font-size:24px;font-weight:700;background:linear-gradient(45deg,var(--neon-blue),var(--neon-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.htpc-header-controls{display:flex;gap:20px;align-items:center}.htpc-back-button{background:transparent;border:none;color:var(--neon-blue);font-size:18px;cursor:pointer;padding:8px;display:flex;align-items:center;justify-content:center;transition:all .3s ease;border-radius:50%}.htpc-back-button:hover{color:var(--neon-pink);transform:scale(1.1);background:#6e00ff1a}.htpc-settings{position:relative}.htpc-settings-button{display:flex;align-items:center;gap:8px;background:#6e00ff1a;padding:10px 20px;border-radius:25px;border:1px solid rgba(110,0,255,.3);color:var(--text-light);font-size:14px;cursor:pointer;transition:all .3s ease;outline:none}.htpc-settings-button:hover{background:#6e00ff33;border-color:var(--neon-blue);box-shadow:0 5px 15px #6e00ff4d}.htpc-settings-icon{font-size:16px;animation:htpc-settings-rotate 4s linear infinite}@keyframes htpc-settings-rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.htpc-settings-dropdown{position:absolute;top:100%;right:0;margin-top:10px;background:#0f0f1af2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(110,0,255,.3);border-radius:15px;padding:20px;min-width:250px;box-shadow:0 10px 30px #00000080;z-index:1001;opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .3s ease}.htpc-settings-dropdown.htpc-active{opacity:1;visibility:visible;transform:translateY(0)}.htpc-settings-item{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px;padding:10px 0;border-bottom:1px solid rgba(110,0,255,.2)}.htpc-settings-item:last-child{margin-bottom:0;border-bottom:none}.htpc-settings-label{font-size:14px;color:var(--text-light);font-weight:500}.htpc-settings-control{background:transparent;border:1px solid rgba(110,0,255,.3);border-radius:8px;color:var(--text-light);font-size:14px;padding:5px 10px;outline:none;transition:all .3s ease}.htpc-settings-control:hover,.htpc-settings-control:focus{border-color:var(--neon-blue);box-shadow:0 0 10px #6e00ff4d}.htpc-volume-container{display:flex;align-items:center;gap:10px}.htpc-volume-slider{width:100px;height:4px;background:#6e00ff4d;border-radius:2px;outline:none;cursor:pointer;-webkit-appearance:none}.htpc-volume-slider::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;background:var(--neon-blue);border-radius:50%;cursor:pointer;box-shadow:0 0 10px var(--neon-blue)}.htpc-volume-slider::-moz-range-thumb{width:16px;height:16px;background:var(--neon-blue);border-radius:50%;cursor:pointer;border:none;box-shadow:0 0 10px var(--neon-blue)}.htpc-volume-value{font-size:12px;color:var(--neon-blue);min-width:30px;text-align:center}.htpc-main{margin-top:70px;width:100%;display:flex;min-height:calc(100vh - 70px)}.htpc-left{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:30px}.htpc-chess-animation{position:relative;width:320px;height:320px;perspective:1000px}.htpc-chess-board{width:100%;height:100%;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);border:3px solid var(--neon-blue);border-radius:15px;position:relative;animation:htpc-board-glow 3s ease-in-out infinite alternate;box-shadow:0 0 30px #00f7ff4d,inset 0 0 30px #6e00ff1a;overflow:hidden}.htpc-chess-square{position:relative;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.htpc-chess-square:nth-child(odd){background:#ffffff26}.htpc-chess-square:nth-child(2n){background:#6e00ff26}.htpc-chess-square:nth-child(8n-6),.htpc-chess-square:nth-child(8n-4),.htpc-chess-square:nth-child(8n-2),.htpc-chess-square:nth-child(8n){background:#ffffff26}.htpc-chess-square:nth-child(8n-7),.htpc-chess-square:nth-child(8n-5),.htpc-chess-square:nth-child(8n-3),.htpc-chess-square:nth-child(8n-1){background:#6e00ff26}.htpc-chess-square:nth-child(n+9):nth-child(-n+16):nth-child(8n-7),.htpc-chess-square:nth-child(n+9):nth-child(-n+16):nth-child(8n-5),.htpc-chess-square:nth-child(n+9):nth-child(-n+16):nth-child(8n-3),.htpc-chess-square:nth-child(n+9):nth-child(-n+16):nth-child(8n-1){background:#ffffff26}.htpc-chess-square:nth-child(n+9):nth-child(-n+16):nth-child(8n-6),.htpc-chess-square:nth-child(n+9):nth-child(-n+16):nth-child(8n-4),.htpc-chess-square:nth-child(n+9):nth-child(-n+16):nth-child(8n-2),.htpc-chess-square:nth-child(n+9):nth-child(-n+16):nth-child(8n){background:#6e00ff26}.htpc-chess-square.htpc-highlighted{background:#00f7ff66!important;box-shadow:inset 0 0 20px #00f7ff99;animation:htpc-square-pulse 1s ease-in-out infinite alternate}@keyframes htpc-square-pulse{0%{box-shadow:inset 0 0 20px #00f7ff99}to{box-shadow:inset 0 0 30px #00f7ffe6}}@keyframes htpc-board-glow{0%{box-shadow:0 0 30px #00f7ff4d,inset 0 0 30px #6e00ff1a}to{box-shadow:0 0 50px #00f7ff99,inset 0 0 50px #6e00ff33}}.htpc-chess-piece{position:absolute;width:40px;height:40px;color:var(--neon-blue);font-size:32px;font-weight:700;text-shadow:0 0 15px currentColor;z-index:10;display:flex;align-items:center;justify-content:center;transition:all .5s cubic-bezier(.4,0,.2,1);cursor:pointer}.htpc-piece-white{color:var(--neon-blue);text-shadow:0 0 15px var(--neon-blue)}.htpc-piece-black{color:var(--neon-pink);text-shadow:0 0 15px var(--neon-pink)}.htpc-knight{animation:htpc-knight-tour 12s ease-in-out infinite}@keyframes htpc-knight-tour{0%{transform:translate(40px,280px)}12.5%{transform:translate(120px,200px)}25%{transform:translate(200px,160px)}37.5%{transform:translate(280px,80px)}50%{transform:translate(200px,40px)}62.5%{transform:translate(120px,120px)}75%{transform:translate(40px,160px)}87.5%{transform:translate(80px,240px)}to{transform:translate(40px,280px)}}.htpc-queen{animation:htpc-queen-attack 8s ease-in-out infinite}@keyframes htpc-queen-attack{0%{transform:translate(160px,280px)}25%{transform:translate(240px,200px)}50%{transform:translate(280px,160px)}75%{transform:translate(240px,200px)}to{transform:translate(160px,280px)}}.htpc-rook{animation:htpc-rook-move 6s ease-in-out infinite}@keyframes htpc-rook-move{0%{transform:translate(40px,40px)}33%{transform:translate(200px,40px)}66%{transform:translate(200px,200px)}to{transform:translate(40px,40px)}}.htpc-bishop{animation:htpc-bishop-diagonal 10s ease-in-out infinite}@keyframes htpc-bishop-diagonal{0%{transform:translate(120px,280px)}25%{transform:translate(200px,200px)}50%{transform:translate(280px,120px)}75%{transform:translate(200px,200px)}to{transform:translate(120px,280px)}}.htpc-pawn{animation:htpc-pawn-promotion 14s ease-in-out infinite}@keyframes htpc-pawn-promotion{0%{transform:translate(80px,240px)}20%{transform:translate(80px,200px)}40%{transform:translate(80px,160px)}60%{transform:translate(80px,120px)}80%{transform:translate(80px,80px)}90%{transform:translate(80px,40px) scale(1.5)}to{transform:translate(80px,240px) scale(1)}}.htpc-king{animation:htpc-king-castle 16s ease-in-out infinite}@keyframes htpc-king-castle{0%{transform:translate(200px,280px)}25%{transform:translate(240px,280px)}50%{transform:translate(280px,280px)}75%{transform:translate(240px,280px)}to{transform:translate(200px,280px)}}.htpc-chess-piece:after{content:"";position:absolute;width:100%;height:100%;background:radial-gradient(circle,currentColor 0%,transparent 70%);opacity:.3;z-index:-1;animation:htpc-trail 1s ease-out infinite}@keyframes htpc-trail{0%{transform:scale(1);opacity:.3}to{transform:scale(2);opacity:0}}.htpc-start-button{padding:15px 40px;background:linear-gradient(45deg,var(--neon-blue),var(--neon-purple));border:none;border-radius:50px;color:var(--text-light);font-size:18px;font-weight:600;font-family:Orbitron,monospace;cursor:pointer;transition:all .3s ease;box-shadow:0 10px 30px #6e00ff4d;position:relative;overflow:hidden;text-transform:uppercase;letter-spacing:2px}.htpc-start-button: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}.htpc-start-button:hover:before{left:100%}.htpc-start-button:hover{transform:translateY(-3px);box-shadow:0 15px 40px #6e00ff80;background:linear-gradient(45deg,var(--neon-purple),var(--neon-pink))}.htpc-start-button:active{transform:translateY(0);box-shadow:0 5px 20px #6e00ff4d}.htpc-right{flex:1;padding:40px;overflow-y:auto}.htpc-instructions{max-width:600px;margin:0 auto}.htpc-title{font-family:Orbitron,monospace;font-size:36px;font-weight:700;margin-bottom:30px;background:linear-gradient(45deg,var(--neon-blue),var(--neon-purple),var(--neon-pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-align:left;animation:htpc-title-glow 2s ease-in-out infinite alternate}@keyframes htpc-title-glow{0%{filter:brightness(1)}to{filter:brightness(1.5)}}.htpc-section{margin-bottom:30px;padding:25px;background:#6e00ff0d;border-radius:15px;border:1px solid rgba(110,0,255,.2);transition:all .3s ease}.htpc-section:hover{background:#6e00ff1a;border-color:var(--neon-blue);box-shadow:0 10px 30px #6e00ff33;transform:translateY(-5px)}.htpc-section-title{font-family:Orbitron,monospace;font-size:20px;font-weight:600;color:var(--neon-blue);margin-bottom:15px;display:flex;align-items:center;gap:10px}.htpc-section-title:before{content:"▶";color:var(--neon-pink);font-size:16px}.htpc-section-content{color:var(--text-muted);line-height:1.6;font-size:16px}.htpc-highlight{color:var(--neon-blue);font-weight:600}.htpc-rule{margin-bottom:10px;padding:8px 0;border-bottom:1px solid rgba(110,0,255,.1)}.htpc-rule:last-child{border-bottom:none}@media (max-width: 768px){.htpc-main{flex-direction:column;margin-top:60px}.htpc-header{height:60px;padding:0 15px}.htpc-logo{font-size:20px}.htpc-header-controls{gap:10px}.htpc-back-button{font-size:16px;padding:6px}.htpc-settings-button{padding:8px;width:36px;height:36px}.htpc-settings-icon{font-size:14px}.htpc-settings-dropdown{position:fixed;top:70px;right:10px;left:10px;min-width:auto}.htpc-left{padding:20px}.htpc-chess-animation{width:280px;height:280px}.htpc-start-button{padding:12px 30px;font-size:16px}.htpc-right{padding:20px}.htpc-title{font-size:28px;margin-bottom:20px}.htpc-section{padding:15px;margin-bottom:20px}.htpc-section-title{font-size:18px}.htpc-section-content{font-size:14px}.htpc-settings-item{flex-direction:column;align-items:flex-start;gap:8px}.htpc-volume-container{width:100%;justify-content:space-between}.htpc-volume-slider{width:60px}}@media (max-width: 480px){.htpc-chess-animation{width:240px;height:240px}.htpc-title{font-size:24px}.htpc-section-title{font-size:16px}.htpc-section-content{font-size:13px}.htpc-start-button{padding:10px 25px;font-size:14px}}:root{--htpw-primary-color: #6e00ff;--htpw-secondary-color: #ff00e4;--htpw-accent-color: #00f7ff;--htpw-dark-bg: #0f0f1a;--htpw-text-light: #ffffff;--htpw-text-muted: rgba(255, 255, 255, .7);--htpw-neon-blue: #00f7ff;--htpw-neon-purple: #9d00ff;--htpw-neon-pink: #ff00e4}.htpw-instruction-page{min-height:100vh;background:var(--htpw-dark-bg);color:var(--htpw-text-light);font-family:Montserrat,sans-serif;position:relative;overflow-x:hidden}.htpw-background-container{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1}.htpw-video-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#0f0f1af2,#6e00ff1a,#ff00e41a,#00f7ff1a,#0f0f1af2);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.htpw-animated-background{position:absolute;top:0;left:0;width:100%;height:100%}.htpw-gradient-orb{position:absolute;border-radius:50%;filter:blur(60px);animation:htpw-float 8s ease-in-out infinite}.htpw-orb-1{width:300px;height:300px;background:radial-gradient(circle,var(--htpw-neon-blue) 0%,transparent 70%);top:10%;left:10%;animation-delay:0s}.htpw-orb-2{width:400px;height:400px;background:radial-gradient(circle,var(--htpw-neon-purple) 0%,transparent 70%);top:50%;right:10%;animation-delay:2s}.htpw-orb-3{width:200px;height:200px;background:radial-gradient(circle,var(--htpw-neon-pink) 0%,transparent 70%);bottom:20%;left:50%;animation-delay:4s}@keyframes htpw-float{0%,to{transform:translateY(0) rotate(0)}33%{transform:translateY(-30px) rotate(120deg)}66%{transform:translateY(15px) rotate(240deg)}}.htpw-floating-letters{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1}.htpw-floating-letter{position:absolute;font-size:2rem;font-weight:700;color:var(--htpw-neon-blue);opacity:.1;animation:htpw-float-up linear infinite}@keyframes htpw-float-up{0%{transform:translateY(100vh) rotate(0);opacity:0}10%{opacity:.3}90%{opacity:.1}to{transform:translateY(-100px) rotate(360deg);opacity:0}}.htpw-container{max-width:1200px;margin:0 auto;padding:20px;position:relative;z-index:2}.htpw-header{display:flex;justify-content:space-between;align-items:center;padding:10px 0}.htpw-back-btn{background:#00f7ff26;border:2px solid var(--htpw-neon-blue);color:#fff;width:40px;height:40px;padding:0;border-radius:50%;cursor:pointer;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;box-sizing:border-box}.htpw-back-btn:hover{background:#00f7ff4d;transform:translate(-2px);box-shadow:0 0 20px var(--htpw-neon-blue)}.htpw-logo h1{font-family:Orbitron,monospace;font-size:2.5rem;font-weight:700;background:linear-gradient(45deg,var(--htpw-neon-blue),var(--htpw-neon-purple),var(--htpw-neon-pink));background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin:0;text-shadow:0 0 90px var(--htpw-neon-blue)}.htpw-settings-btn{background:#6e00ff33;border:2px solid var(--htpw-primary-color);color:var(--htpw-text-light);width:40px;height:40px;padding:0;border-radius:50%;cursor:pointer;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;box-sizing:border-box}.htpw-settings-btn:hover{background:#6e00ff66;border-color:var(--htpw-neon-blue);transform:rotate(90deg);box-shadow:0 0 20px var(--htpw-neon-blue)}.htpw-main-content{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}.htpw-left-section{display:flex;flex-direction:column;align-items:center;gap:30px}.htpw-game-preview{display:flex;justify-content:center;align-items:center;padding:20px}.htpw-wordle-grid{display:flex;flex-direction:column;gap:8px;padding:20px;background:#6e00ff1a;border-radius:20px;border:2px solid var(--htpw-primary-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 0 40px #6e00ff4d}.htpw-grid-row{display:flex;gap:8px}.htpw-tile{width:50px;height:50px;border:2px solid var(--htpw-primary-color);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;font-family:Orbitron,monospace;transition:all .3s ease;position:relative;overflow:hidden}.htpw-tile.htpw-empty{background:#ffffff0d;border-color:#6e00ff4d}.htpw-tile.htpw-correct{background:linear-gradient(45deg,var(--htpw-neon-blue),var(--htpw-primary-color));border-color:var(--htpw-neon-blue);color:#fff;box-shadow:0 0 15px var(--htpw-neon-blue)}.htpw-tile.htpw-wrong-position{background:linear-gradient(45deg,gold,#ff8c00);border-color:gold;color:#333;box-shadow:0 0 15px gold}.htpw-tile.htpw-incorrect{background:linear-gradient(45deg,#666,#333);border-color:#666;color:#fff;box-shadow:0 0 15px #666}.htpw-animate-flip{animation:htpw-flip-in .6s ease-in-out forwards}@keyframes htpw-flip-in{0%{transform:rotateY(0)}50%{transform:rotateY(90deg)}to{transform:rotateY(0)}}.htpw-pulse{animation:htpw-pulse 2s infinite}@keyframes htpw-pulse{0%{box-shadow:0 0 #6e00ffb3}70%{box-shadow:0 0 0 10px #6e00ff00}to{box-shadow:0 0 #6e00ff00}}.htpw-play-section{width:100%;display:flex;justify-content:center}.htpw-play-btn{background:linear-gradient(45deg,var(--htpw-neon-blue),var(--htpw-primary-color));border:none;color:#fff;padding:20px 40px;font-size:1rem;font-weight:700;font-family:Orbitron,monospace;border-radius:50px;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:10px;box-shadow:0 10px 30px #6e00ff66;position:relative;overflow:hidden}.htpw-play-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}.htpw-play-btn:hover:before{left:100%}.htpw-play-btn:hover{transform:translateY(-3px);box-shadow:0 15px 40px #6e00ff99}.htpw-right-section{padding:20px}.htpw-instructions h2{font-family:Orbitron,monospace;font-size:2rem;margin-bottom:10px;color:var(--htpw-neon-blue);text-align:center;text-shadow:0 0 20px var(--htpw-neon-blue)}.htpw-quick-guide{background:#6e00ff0d;padding:25px;border-radius:15px;border:1px solid var(--htpw-primary-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.htpw-quick-guide>p{font-size:1.2rem;text-align:center;margin-bottom:25px;color:var(--htpw-neon-purple);font-weight:600}.htpw-color-guide{margin-bottom:25px}.htpw-color-example{display:flex;align-items:center;gap:15px;margin-bottom:15px;padding:10px;border-radius:10px;background:#ffffff08}.htpw-example-tile{width:40px;height:40px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;font-family:Orbitron,monospace;flex-shrink:0}.htpw-color-example span{font-size:.9rem;color:var(--htpw-text-muted)}.htpw-game-rules h3{color:var(--htpw-neon-pink);margin-bottom:15px;font-size:1.3rem;font-family:Orbitron,monospace;text-shadow:0 0 15px var(--htpw-neon-pink)}.htpw-game-rules ul{list-style:none;padding:0}.htpw-game-rules li{margin-bottom:8px;padding-left:20px;position:relative;line-height:1.4;font-size:.9rem}.htpw-game-rules li:before{content:"🎯";position:absolute;left:0;font-size:.8rem}.htpw-settings-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#000c;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.htpw-settings-content{background:linear-gradient(135deg,var(--htpw-dark-bg),rgba(110,0,255,.1));padding:30px;border-radius:20px;border:2px solid var(--htpw-primary-color);min-width:350px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 0 40px #6e00ff4d}.htpw-settings-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.htpw-settings-header h3{color:var(--htpw-neon-blue);margin:0;font-size:1.5rem;font-family:Orbitron,monospace;text-shadow:0 0 15px var(--htpw-neon-blue)}.htpw-close-btn{background:none;border:none;color:#fff;font-size:2rem;cursor:pointer;transition:all .3s ease;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%}.htpw-close-btn:hover{color:var(--htpw-neon-pink);background:#ff00e41a;transform:rotate(90deg)}.htpw-settings-body,.htpw-setting-group{margin-bottom:20px}.htpw-setting-label{display:flex;align-items:center;gap:15px;cursor:pointer;padding:15px;border-radius:10px;transition:all .3s ease;background:#6e00ff0d;border:1px solid rgba(110,0,255,.2)}.htpw-setting-label:hover{background:#6e00ff1a;border-color:var(--htpw-neon-blue)}.htpw-setting-icon{color:var(--htpw-neon-blue);display:flex;align-items:center}.htpw-setting-label input[type=checkbox]{transform:scale(1.2);accent-color:var(--htpw-neon-blue)}.htpw-save-settings-btn{background:linear-gradient(45deg,var(--htpw-neon-purple),var(--htpw-neon-pink));border:none;color:#fff;padding:12px 24px;border-radius:10px;cursor:pointer;font-size:1rem;font-weight:700;font-family:Orbitron,monospace;transition:all .3s ease;width:100%;position:relative;overflow:hidden}.htpw-save-settings-btn:hover{transform:translateY(-2px);box-shadow:0 5px 20px #ff00e466}@media (max-width: 768px){.htpw-main-content{grid-template-columns:1fr;gap:30px}.htpw-logo h1{font-size:2rem}.htpw-tile{width:40px;height:40px;font-size:1.2rem}.htpw-container{padding:15px}.htpw-settings-content{min-width:300px;margin:20px}.htpw-color-example{flex-direction:column;text-align:center;gap:8px}}@media (max-width: 480px){.htpw-logo h1{font-size:1.5rem}.htpw-tile{width:35px;height:35px;font-size:1rem}.htpw-play-btn{padding:15px 30px;font-size:1.1rem}.htpw-instructions h2,.htpw-floating-letter{font-size:1.5rem}}@media (prefers-reduced-motion: reduce){.htpw-animate-flip,.htpw-pulse,.htpw-floating-letter,.htpw-gradient-orb{animation:none}.htpw-play-btn:before{display:none}}