@import"https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Share+Tech+Mono&family=Rajdhani:wght@400;500;600;700&display=swap";*{margin:0;padding:0;box-sizing:border-box}:root{--bg-void: #050508;--bg-panel: #0a0a10;--bg-surface: #101018;--bg-elevated: #1a1a24;--electric-cyan: #00fff2;--electric-magenta: #ff00aa;--electric-yellow: #f0f000;--acid-green: #00ff66;--warning-red: #ff3344;--glow-cyan: rgba(0, 255, 242, .4);--glow-magenta: rgba(255, 0, 170, .4);--glow-yellow: rgba(240, 240, 0, .3);--text-bright: #ffffff;--text-primary: #e0e0e8;--text-secondary: #888898;--text-muted: #505060;--border-dim: rgba(255, 255, 255, .08);--border-visible: rgba(0, 255, 242, .3);--border-active: var(--electric-cyan);--radius-sm: 2px;--radius-md: 3px;--nav-height: 50px}html,body,#root{height:100%;width:100%;margin:0;padding:0;overflow:hidden}body{font-family:Rajdhani,sans-serif;background:var(--bg-void);color:var(--text-primary)}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.1) 2px,rgba(0,0,0,.1) 4px);pointer-events:none;z-index:10000}.bg-animation{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1;background:transparent;overflow:hidden;pointer-events:none}.bg-animation:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 20% 80%,rgba(0,255,242,.12) 0%,transparent 40%),radial-gradient(ellipse at 80% 20%,rgba(255,0,170,.08) 0%,transparent 40%),radial-gradient(ellipse at 50% 50%,rgba(123,92,255,.05) 0%,transparent 60%);animation:bgPulse 10s ease-in-out infinite}.bg-animation:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,255,242,.02) 1px,transparent 1px),linear-gradient(rgba(0,255,242,.02) 1px,transparent 1px);background-size:60px 60px}@keyframes bgPulse{0%,to{opacity:.7;transform:translate(0) scale(1)}25%{transform:translate(2%,1%) scale(1.02)}50%{opacity:1;transform:translateY(2%) scale(1.03)}75%{transform:translate(-1%) scale(1.01)}}.grid-lines{display:none}.top-nav{position:fixed;top:0;left:0;right:0;height:var(--nav-height);display:flex;justify-content:space-between;align-items:center;padding:0 20px;z-index:1000;background:linear-gradient(180deg,var(--bg-void) 0%,var(--bg-void) 70%,transparent 100%);border-bottom:1px solid var(--border-dim)}.back-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;background:transparent;border:1px solid var(--border-visible);color:var(--electric-cyan);font-family:Share Tech Mono,monospace;font-size:.75rem;text-transform:uppercase;letter-spacing:1px;cursor:pointer;transition:all .15s ease;text-decoration:none}.back-btn:hover{background:#00fff226;border-color:var(--electric-cyan);box-shadow:0 0 15px var(--glow-cyan)}.back-btn .arrow{font-size:.9rem}.nav-title{position:absolute;left:50%;transform:translate(-50%);font-family:Orbitron,sans-serif;font-size:1.4rem;font-weight:900;color:var(--text-bright);letter-spacing:6px;text-transform:uppercase;pointer-events:none;background:linear-gradient(180deg,var(--text-bright) 0%,var(--electric-cyan) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 0 20px var(--glow-cyan))}.audio-controls{display:flex;gap:6px}.audio-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border-dim);color:var(--text-secondary);font-size:1rem;cursor:pointer;transition:all .15s ease}.audio-btn:hover{border-color:var(--electric-cyan);color:var(--electric-cyan);background:#00fff21a}.audio-btn.muted{color:var(--warning-red);border-color:#ff33444d}.game-container{position:fixed;top:var(--nav-height);left:0;right:0;bottom:0;display:flex;flex-direction:column;padding:8px 16px;max-width:920px;margin:0 auto;gap:6px}.mode-tabs{display:flex;gap:0;flex-shrink:0;border:1px solid var(--border-dim);border-radius:2px;overflow:visible;position:relative;z-index:2}.mode-tab{flex:1;padding:12px 20px;background:var(--bg-void);border:none;border-right:1px solid var(--border-dim);color:var(--text-muted);font-family:Share Tech Mono,monospace;font-size:.8rem;font-weight:500;text-transform:uppercase;letter-spacing:2px;cursor:pointer;transition:all .2s ease;position:relative;overflow:visible}.mode-tab:last-child{border-right:none}.mode-tab:hover:not(.active){color:var(--text-secondary);background:var(--bg-panel)}.mode-tab.active{background:linear-gradient(180deg,#00fff226,#00fff20d);color:var(--electric-cyan);text-shadow:0 0 10px var(--glow-cyan);border-right-color:var(--electric-cyan)}.mode-tab.active:before{content:"";position:absolute;inset:-1px;border:2px solid transparent;border-radius:2px;background:linear-gradient(90deg,var(--electric-cyan),var(--hot-pink),var(--electric-cyan)) border-box;-webkit-mask:linear-gradient(#fff 0 0) padding-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:borderGlow 3s linear infinite;box-shadow:0 0 15px var(--glow-cyan),inset 0 0 15px var(--glow-cyan)}.mode-tab.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--electric-cyan),transparent);box-shadow:0 0 12px var(--electric-cyan),0 0 24px var(--glow-cyan);animation:pulseGlow 2s ease-in-out infinite}@keyframes borderGlow{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@keyframes pulseGlow{0%,to{opacity:.7}50%{opacity:1}}.stats-bar{display:flex;justify-content:space-between;align-items:stretch;background:var(--bg-panel);border:1px solid var(--border-dim);flex-shrink:0}.stat{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8px 12px;border-right:1px solid var(--border-dim)}.stat:last-child{border-right:none}.stat-label{font-family:Share Tech Mono,monospace;font-size:.6rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:2px;margin-bottom:2px}.stat-value{font-family:Orbitron,sans-serif;font-size:1.2rem;font-weight:700;color:var(--electric-cyan)}.mode-indicator{display:flex;align-items:center;gap:4px}.mode-icon{font-size:.8rem;color:var(--electric-magenta)}.mode-name{font-family:Share Tech Mono,monospace;font-size:.75rem;font-weight:600;color:var(--text-primary);text-transform:uppercase;letter-spacing:1px}.canvas-wrapper{flex:1;min-height:0;position:relative;background:var(--bg-panel);border:1px solid var(--border-dim);display:flex;align-items:center;justify-content:center;overflow:hidden}.game-canvas{display:block;max-width:100%;max-height:100%;background:var(--bg-void)}.particles{position:absolute;inset:0;pointer-events:none}.progress-container{position:absolute;top:0;left:0;right:0;height:3px;background:var(--bg-void)}.progress-bar{height:100%;background:linear-gradient(90deg,var(--electric-cyan),var(--electric-magenta));box-shadow:0 0 8px var(--glow-cyan);transition:width .1s linear}.checkpoint-marker{position:absolute;top:0;width:2px;height:100%;background:var(--text-muted)}.overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#050508eb;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:10;animation:overlayFadeIn .2s ease-out}@keyframes overlayFadeIn{0%{opacity:0}to{opacity:1}}.overlay-title{font-family:Orbitron,sans-serif;font-size:2.5rem;font-weight:900;text-transform:uppercase;letter-spacing:4px;margin-bottom:8px;animation:titlePulse 2s ease-in-out infinite}@keyframes titlePulse{0%,to{filter:drop-shadow(0 0 15px var(--glow-cyan))}50%{filter:drop-shadow(0 0 30px var(--glow-cyan)) drop-shadow(0 0 50px var(--glow-cyan))}}.overlay-title.ready{color:var(--electric-cyan)}.overlay-title.win{color:var(--acid-green);animation:titlePulse 1s ease-in-out infinite}.overlay-title.lose{color:var(--warning-red)}.overlay-stats{font-family:Share Tech Mono,monospace;font-size:.9rem;color:var(--text-secondary);margin-bottom:20px;letter-spacing:1px}.overlay-btn{padding:12px 40px;background:transparent;border:2px solid var(--electric-cyan);color:var(--electric-cyan);font-family:Orbitron,sans-serif;font-size:.9rem;font-weight:700;text-transform:uppercase;letter-spacing:3px;cursor:pointer;transition:all .15s ease;position:relative;overflow:hidden}.overlay-btn:before{content:"";position:absolute;inset:0;background:var(--electric-cyan);transform:translate(-100%);transition:transform .3s ease;z-index:-1}.overlay-btn:hover{color:var(--bg-void);box-shadow:0 0 25px var(--glow-cyan)}.overlay-btn:hover:before{transform:translate(0)}.overlay-controls{display:flex;flex-direction:column;align-items:center;gap:10px;margin-top:16px}.overlay-keys{display:flex;gap:6px}.overlay-key{display:flex;align-items:center;justify-content:center;min-width:44px;height:30px;padding:0 10px;background:var(--bg-surface);border:1px solid var(--border-visible);color:var(--text-primary);font-family:Share Tech Mono,monospace;font-size:.7rem;letter-spacing:1px}.overlay-practice{padding:8px 16px;background:transparent;border:1px solid var(--border-dim);color:var(--text-secondary);font-family:Share Tech Mono,monospace;font-size:.75rem;text-transform:uppercase;letter-spacing:1px;cursor:pointer;transition:all .15s ease}.overlay-practice:hover{border-color:var(--electric-magenta);color:var(--electric-magenta);background:#ff00aa1a}.overlay-practice.active{border-color:var(--electric-magenta);color:var(--electric-magenta);background:#ff00aa26;box-shadow:0 0 12px var(--glow-magenta)}.overlay-tagline{margin-top:20px;font-family:Orbitron,sans-serif;font-size:1.1rem;font-weight:600;letter-spacing:3px;text-transform:uppercase;color:var(--electric-cyan);text-shadow:0 0 10px var(--glow-cyan);opacity:.9}.checkpoint-notification{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);padding:10px 20px;background:#00ff6626;border:1px solid var(--acid-green);color:var(--acid-green);font-family:Orbitron,sans-serif;font-size:1rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;animation:checkpointFlash .5s ease-out;box-shadow:0 0 20px #00ff664d;z-index:20}@keyframes checkpointFlash{0%{transform:translate(-50%,-50%) scale(1.2);opacity:0}50%{transform:translate(-50%,-50%) scale(1);opacity:1}to{transform:translate(-50%,-50%) scale(1);opacity:1}}.level-selector{display:flex;justify-content:center;gap:4px;flex-wrap:wrap;padding:8px;background:var(--bg-panel);border:1px solid var(--border-dim);flex-shrink:0}.level-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--bg-surface);border:1px solid var(--border-dim);color:var(--text-secondary);font-family:Orbitron,sans-serif;font-size:.7rem;font-weight:600;cursor:pointer;transition:all .15s ease;position:relative}.level-btn:hover:not(:disabled):not(.locked){border-color:var(--electric-cyan);color:var(--electric-cyan);background:#00fff21a;box-shadow:0 0 8px var(--glow-cyan)}.level-btn.locked{cursor:not-allowed;background:#0a0a14cc;border-color:var(--border-dim);color:var(--text-muted);pointer-events:none;opacity:.5}.level-btn.locked:after{content:"🔒";position:absolute;top:-4px;right:-4px;font-size:.5rem;background:var(--bg-void);padding:1px;border-radius:2px}.level-btn:disabled{cursor:not-allowed;opacity:.4}.level-btn.unlocked{color:var(--text-secondary);border-color:var(--border-visible);background:var(--bg-surface)}.level-btn.completed{color:var(--acid-green);border-color:var(--acid-green);background:#00ff6614}.level-btn.active,.level-btn.current{color:var(--electric-cyan);border-color:var(--electric-cyan);background:#00fff233;box-shadow:0 0 12px var(--glow-cyan),inset 0 0 8px #00fff21a;animation:levelPulse 2s ease-in-out infinite}@keyframes levelPulse{0%,to{box-shadow:0 0 8px var(--glow-cyan)}50%{box-shadow:0 0 16px var(--glow-cyan),0 0 24px var(--glow-cyan)}}.challenge-mode{position:fixed;top:var(--nav-height);left:0;right:0;bottom:0;display:flex;flex-direction:column;padding:8px 16px;max-width:920px;margin:0 auto;gap:6px}.challenge-header{display:flex;align-items:center;gap:16px;flex-shrink:0}.challenge-header h2{font-family:Orbitron,sans-serif;font-size:1.2rem;font-weight:700;color:var(--text-primary);letter-spacing:3px;text-transform:uppercase;flex:1;text-align:center}.challenge-header .back-button{padding:8px 16px;background:transparent;border:1px solid var(--border-visible);color:var(--electric-cyan);font-family:Share Tech Mono,monospace;font-size:.8rem;text-transform:uppercase;letter-spacing:1px;cursor:pointer;transition:all .15s ease}.challenge-header .back-button:hover{background:#00fff226;border-color:var(--electric-cyan);box-shadow:0 0 15px var(--glow-cyan)}.challenge-content{flex:1;min-height:0;background:var(--bg-panel);border:1px solid var(--border-dim);padding:12px 16px;display:flex;flex-direction:column;overflow-y:auto;gap:10px}.daily-challenge-banner{display:flex;align-items:center;gap:12px;padding:12px 16px;background:linear-gradient(135deg,#f0f0001a,#ff00aa1a);border:1px solid var(--electric-yellow);cursor:pointer;transition:all .15s ease;flex-shrink:0}.daily-challenge-banner:hover{background:linear-gradient(135deg,#f0f00033,#f0a3);box-shadow:0 0 20px var(--glow-yellow)}.daily-icon{font-size:1.5rem}.daily-info{flex:1}.daily-title{display:block;font-family:Orbitron,sans-serif;font-size:.85rem;font-weight:700;color:var(--electric-yellow);letter-spacing:2px;text-transform:uppercase}.daily-desc{display:block;font-family:Share Tech Mono,monospace;font-size:.65rem;color:var(--text-secondary);margin-top:2px}.daily-arrow{font-size:1.2rem;color:var(--electric-yellow);opacity:.7}.challenge-divider{display:flex;align-items:center;gap:12px;flex-shrink:0}.challenge-divider span{font-family:Share Tech Mono,monospace;font-size:.65rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:2px;white-space:nowrap}.challenge-divider:before,.challenge-divider:after{content:"";flex:1;height:1px;background:var(--border-dim)}.settings-grid{display:flex;flex-direction:column;gap:10px;flex:1;min-height:0;overflow-y:auto}.setting-group{display:flex;flex-direction:column;gap:6px;flex-shrink:0}.setting-group label{font-family:Share Tech Mono,monospace;font-size:.65rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:2px}.option-buttons{display:flex;gap:6px;flex-wrap:wrap}.option-btn{flex:1;min-width:80px;padding:8px 12px;background:var(--bg-surface);border:1px solid var(--border-dim);color:var(--text-secondary);font-family:Rajdhani,sans-serif;cursor:pointer;transition:all .15s ease;display:flex;flex-direction:column;align-items:center;gap:2px}.option-btn:hover{border-color:var(--electric-cyan);color:var(--electric-cyan);background:var(--bg-elevated)}.option-btn.active{border-color:var(--electric-cyan);color:var(--electric-cyan);background:#00fff226;box-shadow:0 0 12px var(--glow-cyan),inset 0 0 15px #00fff20d}.opt-label{font-size:.85rem;font-weight:600}.opt-detail{font-family:Share Tech Mono,monospace;font-size:.6rem;color:var(--text-muted)}.option-btn.active .opt-detail{color:var(--electric-cyan);opacity:.7}.seed-group{flex-shrink:0}.seed-input-row{display:flex;gap:6px}.seed-input{flex:1;padding:8px 12px;background:var(--bg-surface);border:1px solid var(--border-dim);color:var(--text-primary);font-family:Share Tech Mono,monospace;font-size:.85rem;outline:none;transition:all .15s ease}.seed-input::placeholder{color:var(--text-muted)}.seed-input:focus{border-color:var(--electric-cyan);box-shadow:0 0 12px var(--glow-cyan)}.seed-random-btn{width:40px;background:var(--bg-surface);border:1px solid var(--border-dim);color:var(--text-secondary);font-size:1rem;cursor:pointer;transition:all .15s ease}.seed-random-btn:hover{border-color:var(--electric-magenta);color:var(--electric-magenta);background:#ff00aa1a;box-shadow:0 0 12px var(--glow-magenta)}.seed-hint{font-family:Share Tech Mono,monospace;font-size:.6rem;color:var(--text-muted);margin-top:4px}.preview-stats{display:flex;gap:0;background:var(--bg-surface);border:1px solid var(--border-dim);flex-shrink:0}.preview-stat{flex:1;display:flex;flex-direction:column;align-items:center;padding:8px;border-right:1px solid var(--border-dim)}.preview-stat:last-child{border-right:none}.stat-label{font-family:Share Tech Mono,monospace;font-size:.55rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:2px}.stat-value{font-family:Orbitron,sans-serif;font-size:1rem;font-weight:600;color:var(--electric-cyan)}.challenge-start-btn{padding:14px 24px;background:transparent;border:2px solid var(--acid-green);color:var(--acid-green);font-family:Orbitron,sans-serif;font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:3px;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:10px;position:relative;overflow:hidden;flex-shrink:0}.challenge-start-btn:before{content:"";position:absolute;inset:0;background:var(--acid-green);transform:translate(-100%);transition:transform .3s ease;z-index:-1}.challenge-start-btn:hover{color:var(--bg-void);box-shadow:0 0 30px #0f66}.challenge-start-btn:hover:before{transform:translate(0)}.start-icon{font-size:1rem}@media(max-width:768px){:root{--nav-height: 44px}.nav-title{font-size:1.1rem;letter-spacing:3px}.back-btn{padding:4px 8px;font-size:.65rem}.game-container,.challenge-mode{padding:6px 10px;gap:4px}.mode-tab{padding:8px 10px;font-size:.7rem;letter-spacing:1px}.stat{padding:6px 8px}.stat-value{font-size:1rem}.overlay-title{font-size:1.8rem;letter-spacing:2px}.level-btn{width:28px;height:28px;font-size:.6rem}.option-btn{min-width:65px;padding:6px 8px}.opt-label{font-size:.75rem}}@media(max-width:480px){.nav-title{font-size:.9rem;letter-spacing:2px}.audio-btn{width:32px;height:32px}.stats-bar{flex-wrap:wrap}.stat{flex:1 1 48%;border-bottom:1px solid var(--border-dim)}.stat:nth-child(3),.stat:nth-child(4){border-bottom:none}.stat:nth-child(2){border-right:none}.overlay-title{font-size:1.5rem}.overlay-btn{padding:10px 30px;font-size:.8rem}.level-btn{width:26px;height:26px;font-size:.55rem}.option-buttons{gap:4px}.option-btn{min-width:60px;padding:5px 6px}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.cubes-background{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none;opacity:.85}.cubes-scene{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:120vmax;height:120vmax;display:grid;grid-template-columns:repeat(var(--grid-size),1fr);grid-template-rows:repeat(var(--grid-size),1fr);gap:8%;perspective:1000px;pointer-events:auto}.cube{position:relative;width:100%;height:100%;transform-style:preserve-3d;animation:cubeFloat 8s ease-in-out infinite;animation-delay:var(--anim-delay)}.cube-face{position:absolute;width:100%;height:100%;background:var(--face-color);border:1px solid var(--border-color);backface-visibility:visible;transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease}.cube-face--front{transform:translateZ(25%)}.cube-face--back{transform:rotateY(180deg) translateZ(25%)}.cube-face--top{transform:rotateX(90deg) translateZ(25%)}.cube-face--bottom{transform:rotateX(-90deg) translateZ(25%)}.cube-face--left{transform:rotateY(-90deg) translateZ(25%)}.cube-face--right{transform:rotateY(90deg) translateZ(25%)}@keyframes cubeFloat{0%,to{transform:rotateX(0) rotateY(0)}25%{transform:rotateX(15deg) rotateY(10deg)}50%{transform:rotateX(5deg) rotateY(-15deg)}75%{transform:rotateX(-10deg) rotateY(5deg)}}.cube.rippling .cube-face{animation:ripplePulse .8s ease-out forwards;animation-delay:var(--ripple-delay)}@keyframes ripplePulse{0%{background:var(--face-color);border-color:var(--border-color);box-shadow:none}30%{background:var(--ripple-color);border-color:var(--ripple-color);box-shadow:0 0 20px var(--ripple-color),inset 0 0 10px var(--ripple-color)}to{background:var(--face-color);border-color:var(--border-color);box-shadow:none}}.cube:nth-child(7n) .cube-face,.cube:nth-child(13n) .cube-face,.cube:nth-child(23n) .cube-face{animation:subtleGlow 4s ease-in-out infinite;animation-delay:var(--anim-delay)}@keyframes subtleGlow{0%,to{border-color:var(--border-color);box-shadow:none}50%{border-color:#00fff266;box-shadow:0 0 8px #00fff233}}.cube:nth-child(11n) .cube-face,.cube:nth-child(17n) .cube-face{animation:magentaGlow 5s ease-in-out infinite;animation-delay:var(--anim-delay)}@keyframes magentaGlow{0%,to{border-color:var(--border-color)}50%{border-color:#f0a6;box-shadow:0 0 8px #f0a3}}@media(prefers-reduced-motion:reduce){.cube{animation:none}.cube-face{animation:none!important}}.cubes-background:after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,transparent 20%,rgba(5,5,15,.5) 50%,rgba(5,5,15,.9) 70%,rgb(5,5,15) 85%);pointer-events:none}