:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;background:#050510;color:#fafafa;overflow:hidden;-webkit-user-select:none;user-select:none}@keyframes pulseGlow{0%,to{filter:brightness(1) drop-shadow(0 0 8px currentColor)}50%{filter:brightness(1.4) drop-shadow(0 0 20px currentColor)}}@keyframes screenFlash{0%{opacity:.6}to{opacity:0}}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-3px,2px)}40%{transform:translate(3px,-2px)}60%{transform:translate(-2px,-3px)}80%{transform:translate(2px,3px)}}@keyframes ringExpand{0%{transform:scale(.3);opacity:1}to{transform:scale(3);opacity:0}}@keyframes floatUp{0%{transform:translateY(0) scale(1);opacity:1}to{transform:translateY(-80px) scale(1.5);opacity:0}}@keyframes countdownPulse{0%{transform:scale(1);opacity:1}50%{transform:scale(1.3)}to{transform:scale(1);opacity:0}}.game-container{width:100vw;height:100vh;position:relative;display:grid;place-items:center;background:radial-gradient(ellipse at 20% 50%,rgba(0,255,255,.03) 0%,transparent 50%),radial-gradient(ellipse at 80% 50%,rgba(255,0,255,.03) 0%,transparent 50%),radial-gradient(ellipse at 50% 80%,rgba(255,255,0,.02) 0%,transparent 50%),#050510}.game-container:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:60px 60px;pointer-events:none}.screen-flash{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;animation:screenFlash .3s ease-out forwards;z-index:100}.screen-flash.cyan{background:radial-gradient(circle,rgba(0,255,255,.3),transparent 70%)}.screen-flash.magenta{background:radial-gradient(circle,rgba(255,0,255,.3),transparent 70%)}.screen-flash.yellow{background:radial-gradient(circle,rgba(255,255,0,.3),transparent 70%)}.screen-flash.white{background:radial-gradient(circle,rgba(255,255,255,.4),transparent 70%)}.hud{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:flex-start;padding:1.5rem 2rem;z-index:10;pointer-events:none}.hud-left,.hud-right,.hud-center{display:flex;flex-direction:column;align-items:center}.hud-label{font-size:.6rem;letter-spacing:.3em;text-transform:uppercase;color:#fff6;margin-bottom:.25rem}.hud-value{font-size:2.5rem;font-weight:800;font-variant-numeric:tabular-nums;line-height:1}.hud-value.score{color:#0ff;text-shadow:0 0 10px rgba(0,255,255,.6),0 0 30px rgba(0,255,255,.3)}.hud-value.timer{color:#f0f;text-shadow:0 0 10px rgba(255,0,255,.6),0 0 30px rgba(255,0,255,.3)}.hud-value.timer.danger{color:#f33;text-shadow:0 0 10px rgba(255,50,50,.8),0 0 30px rgba(255,50,50,.4);animation:pulseGlow .5s ease-in-out infinite}.hud-value.combo{color:#ff0;text-shadow:0 0 10px rgba(255,255,0,.6),0 0 30px rgba(255,255,0,.3);font-size:1.8rem}.neon-target{position:absolute;border-radius:50%;cursor:pointer;display:grid;place-items:center;transition:transform .05s;animation:pulseGlow 1.2s ease-in-out infinite;z-index:5}.neon-target:active{transform:scale(.85)!important}.neon-target .ring{position:absolute;width:100%;height:100%;border-radius:50%;border:2px solid currentColor;opacity:.3}.neon-target .dot{width:30%;height:30%;border-radius:50%;background:currentColor;box-shadow:0 0 10px currentColor,0 0 20px currentColor}.particle-burst{position:absolute;pointer-events:none;z-index:50}.particle{position:absolute;width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 6px currentColor,0 0 12px currentColor;animation:particleFly .6s ease-out forwards}@keyframes particleFly{0%{transform:translate(0) scale(1);opacity:1}to{transform:translate(var(--vx),var(--vy)) scale(0);opacity:0}}.ring-burst{position:absolute;pointer-events:none;z-index:45;border-radius:50%;border:3px solid;animation:ringExpand .5s ease-out forwards}.score-popup{position:absolute;pointer-events:none;z-index:55;font-size:1.4rem;font-weight:800;animation:floatUp .7s ease-out forwards;text-shadow:0 0 10px currentColor}.overlay-screen{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;z-index:200;background:#050510e6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.overlay-content{text-align:center;display:flex;flex-direction:column;align-items:center;gap:1.5rem}.overlay-content h1{margin:0;font-size:3rem;font-weight:900;letter-spacing:-.03em;background:linear-gradient(135deg,#0ff,#f0f,#ff0);background-size:200% 200%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:gradientShift 3s ease-in-out infinite}@keyframes gradientShift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.overlay-content h2{margin:0;font-size:2rem;font-weight:800;color:#f0f;text-shadow:0 0 20px rgba(255,0,255,.5)}.overlay-subtitle{color:#ffffff80;font-size:.9rem;margin:0}.final-score{font-size:5rem;font-weight:900;color:#0ff;text-shadow:0 0 20px rgba(0,255,255,.6),0 0 60px rgba(0,255,255,.3);line-height:1;margin:0}.final-stats{display:flex;gap:2rem}.stat{display:flex;flex-direction:column;align-items:center;gap:.25rem}.stat-label{font-size:.6rem;letter-spacing:.25em;text-transform:uppercase;color:#fff6}.stat-value{font-size:1.4rem;font-weight:700;color:#ff0;text-shadow:0 0 8px rgba(255,255,0,.5)}.start-btn{background:none;border:2px solid #0ff;color:#0ff;font-size:1.1rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;padding:.8rem 3rem;border-radius:4px;cursor:pointer;transition:all .2s;text-shadow:0 0 10px rgba(0,255,255,.5);box-shadow:0 0 15px #0ff3,inset 0 0 15px #00ffff0d}.start-btn:hover{background:#00ffff1a;box-shadow:0 0 30px #0ff6,inset 0 0 20px #00ffff1a;transform:scale(1.05)}.countdown-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;z-index:150;pointer-events:none}.combo-shake{animation:shake .15s ease-in-out}.combo-border{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:2;border:2px solid transparent;transition:border-color .3s,box-shadow .3s}.combo-border.active{border-color:#0ff;box-shadow:inset 0 0 60px #00ffff1a,0 0 30px #00ffff26}.combo-border.high{border-color:#f0f;box-shadow:inset 0 0 80px #ff00ff26,0 0 40px #f0f3}.combo-border.ultra{border-color:#ff0;box-shadow:inset 0 0 100px #ffff0026,0 0 50px #ffff0040;animation:borderPulse .4s ease-in-out infinite}@keyframes borderPulse{0%,to{opacity:.7}50%{opacity:1}}.countdown-number{font-size:10rem;font-weight:900;color:#fff;text-shadow:0 0 40px rgba(255,255,255,.8),0 0 80px rgba(0,255,255,.5);animation:countdownPulse .8s ease-out forwards}.game-container:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.08) 2px,rgba(0,0,0,.08) 4px);pointer-events:none;z-index:1}