:root{--neon-orange:#ff6a00;--neon-orange-rgb:255, 106, 0;--neon-blue:#00e5ff;--neon-blue-rgb:0, 229, 255;--neon-red:#f05;--neon-red-rgb:255, 0, 85;--neon-green:#39ff14;--bg-dark:#0a0b0e;--bg-panel:#12161ed9;--text-primary:#f0f2f5;--text-secondary:#8b9bb4;--border-glow:#00e5ff33;--font-hud:"Orbitron", monospace;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--glow-blue:0 0 8px #00e5ff99, 0 0 16px #00e5ff4d;--glow-orange:0 0 8px #ff6a0099, 0 0 16px #ff6a004d;--glow-red:0 0 8px #f059, 0 0 16px #ff00554d;--glow-green:0 0 8px #39ff1499, 0 0 16px #39ff144d}*{box-sizing:border-box;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html{overscroll-behavior:none;background-color:#1a1410}body{min-height:100%;font-family:var(--font-sans);color:var(--text-primary);background-color:#1a1410}#root{justify-content:center;min-height:100%;display:flex}.glowing-text-orange{color:var(--neon-orange);text-shadow:var(--glow-orange);font-family:var(--font-hud)}.glowing-text-blue{color:var(--neon-blue);text-shadow:var(--glow-blue);font-family:var(--font-hud)}.glowing-text-red{color:var(--neon-red);text-shadow:var(--glow-red);font-family:var(--font-hud)}.glowing-text-green{color:var(--neon-green);text-shadow:var(--glow-green);font-family:var(--font-hud)}@keyframes neon-flicker{0%,19%,21%,23%,25%,54%,56%,to{text-shadow:var(--glow-orange);opacity:1}20%,24%,55%{text-shadow:none;opacity:.7}}@keyframes scanline{0%{transform:translateY(-100%)}to{transform:translateY(100%)}}@keyframes engine-vibration{0%,to{transform:translateY(0)}50%{transform:translateY(-1px)}}.menu-title{font-family:var(--font-hud);text-transform:uppercase;letter-spacing:2px;text-align:center;margin-bottom:5px;font-size:2.2rem;font-weight:900;animation:4s infinite alternate neon-flicker}#game-container{background:var(--bg-dark);border-left:1px solid #00e5ff1a;border-right:1px solid #00e5ff1a;flex-direction:column;width:100vw;max-width:480px;height:100svh;max-height:960px;display:flex;position:relative;overflow:hidden;box-shadow:0 0 30px #00e5ff26}canvas{width:100%;height:100%;display:block}.scanlines{z-index:10;pointer-events:none;background:linear-gradient(#12101000 50%,#00000040 50%) 0 0/100% 4px,linear-gradient(90deg,#ff00000f,#00ff0005,#0000ff0f) 0 0/6px 100%;width:100%;height:100%;position:absolute;top:0;left:0}.scanlines:after{content:" ";opacity:0;z-index:11;pointer-events:none;background:#1210101a;display:block;position:absolute;inset:0}.menu-overlay{background:var(--bg-panel);-webkit-backdrop-filter:blur(12px);z-index:20;text-align:center;box-sizing:border-box;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;padding:30px;display:flex;position:absolute;top:0;left:0}.menu-overlay.start-menu-overlay{-webkit-backdrop-filter:blur(2px);background:#0a0b0e59}.menu-card{border:1px solid var(--border-glow);width:100%;max-width:320px;box-shadow:0 8px 32px #0000005e;box-shadow:var(--glow-blue);background:#1e243066;border-radius:16px;flex-direction:column;align-items:center;padding:24px;display:flex}.menu-subtitle{font-family:var(--font-hud);color:var(--text-secondary);letter-spacing:3px;text-transform:uppercase;margin-bottom:25px;font-size:.85rem}.menu-description{color:var(--text-secondary);margin-bottom:25px;font-size:.9rem;line-height:1.4}.btn-premium{width:100%;font-family:var(--font-hud);color:#fff;background:linear-gradient(135deg, var(--neon-orange), #b34a00);box-shadow:var(--glow-orange);cursor:pointer;text-transform:uppercase;letter-spacing:1px;border:none;border-radius:8px;justify-content:center;align-items:center;gap:10px;padding:14px 28px;font-size:1rem;font-weight:700;transition:all .2s;display:flex}.btn-premium:active{transform:scale(.97);box-shadow:0 0 4px #ff6a0066}.btn-secondary{width:100%;font-family:var(--font-hud);color:var(--neon-blue);border:1px solid var(--neon-blue);cursor:pointer;text-transform:uppercase;letter-spacing:1px;background:0 0;border-radius:8px;margin-top:12px;padding:12px 24px;font-size:.85rem;transition:all .2s;box-shadow:0 0 5px #00e5ff33}.btn-secondary:active{box-shadow:var(--glow-blue);background:#00e5ff1a}.hud-container{top:env(safe-area-inset-top,16px);box-sizing:border-box;z-index:15;pointer-events:none;justify-content:space-between;width:100%;padding:10px 20px;display:flex;position:absolute;left:0}.hud-item{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0a0b0eb3;border:1px solid #00e5ff33;border-radius:8px;flex-direction:column;padding:8px 12px;display:flex}.hud-label{color:var(--text-secondary);font-size:.6rem;font-family:var(--font-hud);letter-spacing:1px;text-transform:uppercase;margin-bottom:2px}.hud-value{font-size:1.1rem;font-weight:800}.fuel-bar-container{background:#ffffff1a;border:1px solid #00e5ff1a;border-radius:4px;width:90px;height:8px;margin-top:4px;overflow:hidden}.fuel-bar-fill{background:linear-gradient(90deg, var(--neon-red), var(--neon-orange));height:100%;box-shadow:0 0 8px var(--neon-orange);transition:width .1s}.fuel-bar-fill.normal{background:linear-gradient(90deg, var(--neon-blue), var(--neon-green));box-shadow:0 0 8px var(--neon-blue)}.sound-toggle{top:calc(env(safe-area-inset-top,16px) + 65px);z-index:15;cursor:pointer;pointer-events:auto;width:38px;height:38px;color:var(--neon-blue);background:#0a0b0eb3;border:1px solid #00e5ff33;border-radius:50%;justify-content:center;align-items:center;font-size:1.1rem;display:flex;position:absolute;right:20px}.sound-toggle:active{box-shadow:var(--glow-blue);background:#00e5ff1a}.how-to-play-card{border-top:1px dashed #ffffff26;flex-direction:column;gap:8px;width:100%;margin-top:15px;padding-top:15px;display:flex}.instruction-row{color:var(--text-secondary);text-align:left;align-items:center;gap:10px;font-size:.75rem;display:flex}.key-badge{font-family:var(--font-hud);color:#fff;text-align:center;background:#ffffff1a;border:1px solid #fff3;border-radius:4px;min-width:38px;padding:2px 6px;font-size:.65rem}.nitro-active-overlay{border:4px solid var(--neon-orange);pointer-events:none;z-index:12;width:100%;height:100%;animation:.1s infinite engine-vibration;position:absolute;top:0;left:0;box-shadow:inset 0 0 40px #ff6a004d}.boss-active-overlay{border:4px solid var(--neon-red);pointer-events:none;z-index:12;width:100%;height:100%;animation:.2s infinite engine-vibration;position:absolute;top:0;left:0;box-shadow:inset 0 0 40px #ff00554d}.boss-hp-bar{top:calc(env(safe-area-inset-top,16px) + 60px);border:1px solid var(--neon-red);z-index:15;background:#000c;border-radius:7px;flex-direction:column;width:90%;height:14px;display:flex;position:absolute;left:5%;overflow:hidden}.boss-hp-fill{height:100%;box-shadow:0 0 10px var(--neon-red);background:linear-gradient(90deg,red,#f50);transition:width .2s ease-out}.ig{z-index:8000;color:#f4e8d0;--outline-strong:-1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000, 1px 1px 0 #000, 0 -2px 0 #000, 0 2px 0 #000, -2px 0 0 #000, 2px 0 0 #000, 1px 2px 4px #000000d9;--outline-soft:-1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000, 1px 1px 0 #000, 1px 1px 2px #000c;background:#1a1410;position:fixed;inset:0;overflow:hidden}.ig-bg{object-fit:cover;filter:brightness(.62)saturate(.95);width:100%;height:100%;position:absolute;inset:0}.ig-veil{pointer-events:none;background:linear-gradient(#000000b8 0%,#0000 16% 78%,#000000d1 100%),radial-gradient(120% 65% at 50% 42%,#0000 35%,#1a0f0880 100%);position:absolute;inset:0}.ig-veil:after{content:"";opacity:.16;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");position:absolute;inset:0}.ig-scroll{-webkit-overflow-scrolling:touch;width:100%;max-width:430px;height:100%;padding:calc(env(safe-area-inset-top,0px) + 18px) 20px calc(env(safe-area-inset-bottom,0px) + 22px);flex-direction:column;align-items:center;gap:20px;margin:0 auto;display:flex;position:relative;overflow-y:auto}.ig-head{text-align:center;flex-direction:column;align-items:center;gap:8px;width:100%;display:flex}.ig-logo{filter:drop-shadow(0 4px 10px #000000b3);width:min(70%,260px);height:auto;animation:4.8s ease-in-out infinite ig-breathe}@keyframes ig-breathe{0%,to{transform:scale(1)}50%{transform:scale(1.025)}}.ig-eyebrow{letter-spacing:2.6px;text-transform:uppercase;color:#e8c89a;opacity:.85;text-shadow:var(--outline-soft);margin:0;font-family:Oswald,system-ui,sans-serif;font-size:.69rem;font-weight:700}.ig-headline{letter-spacing:.5px;color:#f47216;text-shadow:var(--outline-strong);margin:0;font-family:Bungee,Impact,sans-serif;font-size:1.32rem;font-weight:400;line-height:1.16}.ig-intro{color:#fff4e0;max-width:32ch;text-shadow:var(--outline-soft);margin:0;font-family:Oswald,system-ui,sans-serif;font-size:.84rem;font-weight:400;line-height:1.5}.ig-panel{background:#3d2817f7;border:3px solid #f47216;border-radius:10px;width:100%;padding:16px 14px;position:relative;box-shadow:0 6px #0000008c,0 10px 26px #00000080}.ig-panel:before{content:"";pointer-events:none;border:1px solid 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12px;font-family:Oswald,system-ui,sans-serif;font-size:.76rem;font-weight:300;line-height:1.42}.ig-foot{text-align:center;flex-direction:column;align-items:center;gap:9px;width:100%;display:flex}.ig-already{color:#e8c89a;max-width:34ch;text-shadow:var(--outline-soft);margin:0;font-family:Oswald,system-ui,sans-serif;font-size:.76rem;font-weight:300;line-height:1.42}.ig-skip{color:#cbb794;letter-spacing:.8px;text-transform:uppercase;cursor:pointer;background:#0f0a068c;border:1px solid #c8c8c873;border-radius:7px;padding:8px 18px;font-family:Oswald,system-ui,sans-serif;font-size:.76rem;font-weight:700}.ig-skip:active{background:#f4e8d01a}.ig-skip-hint{letter-spacing:.6px;color:#a89776;text-shadow:var(--outline-soft);margin:0;font-family:Oswald,system-ui,sans-serif;font-size:.66rem;font-weight:700}@media (height<=680px){.ig-scroll{gap:14px}.ig-logo{width:min(58%,210px)}.ig-headline{font-size:1.1rem}.ig-steps li{padding:8px 2px}}@media (prefers-reduced-motion:reduce){.ig-logo{animation:none}}.ub{top:calc(env(safe-area-inset-top,0px) + 8px);z-index:9000;-webkit-backdrop-filter:blur(6px);background:#1a1410f5;border:1px solid #f4721699;border-radius:999px;align-items:center;gap:10px;max-width:min(94vw,420px);padding:7px 8px 7px 14px;animation:.32s cubic-bezier(.34,1.4,.64,1) both ub-in;display:flex;position:fixed;left:50%;transform:translate(-50%);box-shadow:0 6px 22px #0009,0 0 18px #f4721640}@keyframes ub-in{0%{opacity:0;transform:translate(-50%,-14px)}to{opacity:1;transform:translate(-50%)}}.ub-text{letter-spacing:.5px;color:#f4e8d0;white-space:nowrap;font-family:Oswald,system-ui,sans-serif;font-size:.8rem}.ub-button{color:#fff;letter-spacing:.5px;cursor:pointer;background:linear-gradient(#f47216,#b84e0c);border:none;border-radius:999px;flex:none;padding:5px 12px;font-family:Bungee,Impact,sans-serif;font-size:.7rem}.ub-button:active{transform:scale(.96)}.ub-dismiss{color:#a89776;cursor:pointer;background:0 0;border:none;border-radius:50%;flex:none;width:24px;height:24px;font-size:1.1rem;line-height:1}@media (prefers-reduced-motion:reduce){.ub{animation:none}}