.nb-page .game-shell{max-width:1280px}
.nb-stage{position:relative;min-height:620px;aspect-ratio:16/9;overflow:hidden;background:#03070c;border-radius:18px;touch-action:none;isolation:isolate}
.nb-stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.nb-hud{position:absolute;z-index:8;top:14px;left:14px;right:14px;display:flex;justify-content:space-between;gap:10px;pointer-events:none}
.nb-hud-left,.nb-hud-right{display:flex;gap:7px;align-items:center;flex-wrap:wrap}
.nb-chip{min-height:36px;display:flex;align-items:center;gap:6px;padding:0 11px;border:1px solid rgba(255,255,255,.1);border-radius:11px;background:rgba(4,9,15,.7);backdrop-filter:blur(10px);font-size:8px;font-weight:900;letter-spacing:.1em;color:#a7b3c0}
.nb-chip b{font-size:12px;color:#f4f7fb;letter-spacing:0}.nb-chip.combo b{color:#8bff36}
.nb-bars{display:grid;gap:5px;width:160px}.nb-bar{height:8px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;border:1px solid rgba(255,255,255,.05)}
.nb-bar span{display:block;height:100%;width:100%;transform-origin:left center;transition:transform .18s ease}
.nb-hp span{background:linear-gradient(90deg,#ff4f81,#ff7b66)}.nb-shield span{background:linear-gradient(90deg,#56d7ff,#8bff36)}
.nb-overlay,.nb-gameover,.nb-pause-layer,.nb-upgrade{position:absolute;inset:0;z-index:20;display:grid;place-items:center;padding:22px;background:radial-gradient(circle at 50% 48%,rgba(86,215,255,.09),rgba(2,4,7,.78) 58%,rgba(2,4,7,.94));backdrop-filter:blur(4px)}
.nb-upgrade{z-index:24}.nb-upgrade-card{width:min(760px,100%)}.nb-upgrade-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}.nb-upgrade-choice{min-height:150px;padding:18px;border:1px solid rgba(255,255,255,.1);border-radius:16px;background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));color:#fff;text-align:left;cursor:pointer}.nb-upgrade-choice:hover{border-color:rgba(139,255,54,.45);transform:translateY(-2px)}.nb-upgrade-choice i{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:rgba(139,255,54,.1);color:#8bff36;font-style:normal;font-size:18px}.nb-upgrade-choice b{display:block;margin-top:13px;font-size:14px}.nb-upgrade-choice small{display:block;margin-top:6px;color:#8e9aa8;font-size:8px;line-height:1.45;letter-spacing:.03em}.nb-upgrade-choice em{display:block;margin-top:10px;color:#56d7ff;font-size:7px;font-style:normal;font-weight:900;letter-spacing:.12em}
.nb-card{width:min(560px,100%);padding:28px;border:1px solid rgba(255,255,255,.11);border-radius:22px;background:rgba(7,12,19,.82);box-shadow:0 30px 90px rgba(0,0,0,.46);text-align:center}
.nb-card small{color:#8bff36;font-size:8px;font-weight:950;letter-spacing:.18em}.nb-card h2{margin:10px 0 10px;font-size:clamp(42px,7vw,78px);line-height:.82;letter-spacing:-.07em}.nb-card h2 span{color:#56d7ff}
.nb-card p{max-width:54ch;margin:0 auto;color:#a5b0bc;font-size:11px;line-height:1.65}
.nb-stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:18px 0}.nb-stat-row span{padding:12px 8px;border:1px solid rgba(255,255,255,.08);border-radius:13px;background:rgba(255,255,255,.025)}
.nb-stat-row b{display:block;font-size:15px}.nb-stat-row small{display:block;margin-top:3px;color:#71808f;font-size:6px;letter-spacing:.12em}
.nb-start{width:100%;min-height:50px;border:0;border-radius:13px;background:linear-gradient(135deg,#8bff36,#56d7ff);color:#061006;font-size:10px;font-weight:950;letter-spacing:.04em;cursor:pointer}
.nb-touch{position:absolute;z-index:9;left:18px;right:18px;bottom:18px;display:flex;justify-content:space-between;align-items:end;pointer-events:none}
.nb-stick{position:relative;width:108px;height:108px;border:1px solid rgba(255,255,255,.12);border-radius:50%;background:rgba(5,10,16,.42);backdrop-filter:blur(8px);pointer-events:auto;touch-action:none}
.nb-stick:before{content:"";position:absolute;inset:28px;border:1px solid rgba(255,255,255,.09);border-radius:50%}
.nb-knob{position:absolute;left:50%;top:50%;width:44px;height:44px;margin:-22px;border-radius:50%;background:rgba(139,255,54,.2);border:1px solid rgba(139,255,54,.7);box-shadow:0 0 24px rgba(139,255,54,.16);transform:translate(0,0)}
.nb-fire{width:92px;height:92px;border:1px solid rgba(255,79,129,.55);border-radius:50%;background:radial-gradient(circle at 35% 30%,rgba(255,104,143,.34),rgba(255,79,129,.12));color:#fff;font-size:12px;font-weight:950;letter-spacing:.08em;box-shadow:0 0 32px rgba(255,79,129,.12);pointer-events:auto;touch-action:none}
.nb-fire:active,.nb-fire.active{transform:scale(.95);background:rgba(255,79,129,.3)}
.nb-pause{pointer-events:auto;width:38px;height:38px;border:1px solid rgba(255,255,255,.1);border-radius:10px;background:rgba(4,9,15,.72);color:#fff;font-weight:900;cursor:pointer}
.nb-toast{position:absolute;z-index:12;top:64px;left:50%;transform:translate(-50%,-8px);opacity:0;padding:8px 11px;border-radius:999px;background:rgba(5,10,16,.82);border:1px solid rgba(139,255,54,.18);color:#dfffc7;font-size:8px;font-weight:900;letter-spacing:.08em;transition:.2s ease;pointer-events:none}
.nb-toast.show{opacity:1;transform:translate(-50%,0)}
.nb-boss{position:absolute;z-index:10;top:66px;left:50%;transform:translateX(-50%);width:min(420px,62%);text-align:center;pointer-events:none}
.nb-boss[hidden]{display:none}.nb-boss small{font-size:7px;color:#ff7da4;font-weight:950;letter-spacing:.15em}.nb-boss-bar{height:7px;margin-top:5px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden}.nb-boss-bar span{display:block;height:100%;background:linear-gradient(90deg,#ff4f81,#ffb15c);transform-origin:left}
.nb-original-badge{display:inline-flex;margin-top:10px;padding:7px 10px;border-radius:999px;border:1px solid rgba(139,255,54,.18);background:rgba(139,255,54,.06);color:#bfff90;font-size:7px;font-weight:950;letter-spacing:.11em}
@media(pointer:fine){.nb-touch{opacity:.36}.nb-stick{display:none}.nb-fire{width:66px;height:66px;font-size:9px}}
@media(max-width:760px){.nb-stage{min-height:68svh;aspect-ratio:auto;border-radius:13px}.nb-hud{top:10px;left:10px;right:10px}.nb-chip{min-height:31px;padding:0 8px;font-size:6px}.nb-chip b{font-size:10px}.nb-bars{width:110px}.nb-touch{left:12px;right:12px;bottom:max(12px,env(safe-area-inset-bottom))}.nb-stick{width:94px;height:94px}.nb-fire{width:80px;height:80px}.nb-card{padding:20px 16px}.nb-card p{font-size:9px}.nb-stat-row{grid-template-columns:repeat(2,1fr)}.nb-boss{top:54px;width:58%}.nb-upgrade{padding:10px}.nb-upgrade-card{max-height:calc(100svh - 20px);overflow:auto}.nb-upgrade-card h2{font-size:34px}.nb-upgrade-list{grid-template-columns:1fr;gap:7px}.nb-upgrade-choice{min-height:0;padding:13px;display:grid;grid-template-columns:36px 1fr;column-gap:11px;align-items:center}.nb-upgrade-choice i{grid-row:1/4}.nb-upgrade-choice b,.nb-upgrade-choice small,.nb-upgrade-choice em{margin-top:0}}
@media(max-width:420px){.nb-hud-left .nb-chip:nth-child(3){display:none}.nb-bars{width:92px}.nb-stick{width:86px;height:86px}.nb-fire{width:74px;height:74px}.nb-card h2{font-size:42px}}
@media(prefers-reduced-motion:reduce){.nb-toast,.nb-bar span{transition:none}}