:root{--neon-cyan: #2ee6ff;--neon-pink: #ff2e9d;--neon-yellow: #ffe92e;--hp-green: #3dff8a;--hp-red: #ff3d5a;--bg-dark: #05060f}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:var(--bg-dark);font-family:Hiragino Kaku Gothic ProN,Yu Gothic,system-ui,sans-serif;user-select:none;-webkit-user-select:none}#app{position:relative;width:100%;height:100%}#game-canvas{display:block;width:100%;height:100%}.hidden{display:none!important}.screen{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;background:radial-gradient(ellipse at center,#0a0e22d1,#03040cf5);color:#dfe8ff;z-index:30;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.title-main{font-size:clamp(48px,9vw,96px);letter-spacing:.12em;font-weight:900;color:#eaf6ff;text-shadow:0 0 18px var(--neon-cyan),0 0 60px rgba(46,230,255,.45)}.title-main span{color:var(--neon-pink);text-shadow:0 0 18px var(--neon-pink),0 0 60px rgba(255,46,157,.45)}.title-sub{font-size:15px;letter-spacing:.3em;opacity:.75}.btn-primary,.btn-secondary{font-family:inherit;font-size:18px;font-weight:700;letter-spacing:.15em;padding:14px 52px;cursor:pointer;border-radius:4px;transition:all .15s ease}.btn-primary{color:#021018;background:var(--neon-cyan);border:1px solid var(--neon-cyan);box-shadow:0 0 22px #2ee6ff8c}.btn-primary:hover{background:#7df0ff;box-shadow:0 0 34px #2ee6ffe6;transform:translateY(-1px)}.btn-secondary{color:var(--neon-cyan);background:transparent;border:1px solid rgba(46,230,255,.5)}.btn-secondary:hover{border-color:var(--neon-cyan);box-shadow:0 0 16px #2ee6ff66}.controls-grid{display:grid;grid-template-columns:repeat(2,minmax(160px,220px));gap:6px 28px;margin-top:14px;font-size:13px;opacity:.8}.controls-grid b{color:var(--neon-cyan);margin-right:8px;font-weight:700}.hint{font-size:12px;opacity:.45;letter-spacing:.1em}.go-title{font-size:clamp(36px,6vw,64px);letter-spacing:.14em;color:var(--hp-red);text-shadow:0 0 22px rgba(255,61,90,.7)}.go-stats{display:flex;gap:36px;font-size:15px;opacity:.9;margin-bottom:8px}.go-stats b{display:block;font-size:30px;color:var(--neon-yellow);text-shadow:0 0 14px rgba(255,233,46,.5);margin-top:4px}#pause h2{font-size:44px;letter-spacing:.3em;text-shadow:0 0 16px var(--neon-cyan)}#hud{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:20;color:#dfe8ff}#crosshair{position:absolute;left:50%;top:50%;width:0;height:0}.ch-line{position:absolute;background:var(--neon-cyan);box-shadow:0 0 6px #2ee6ffe6}.ch-top{width:2px;height:9px;left:-1px;top:calc(-12px - var(--spread, 0px))}.ch-bottom{width:2px;height:9px;left:-1px;top:calc(3px + var(--spread, 0px))}.ch-left{width:9px;height:2px;top:-1px;left:calc(-12px - var(--spread, 0px))}.ch-right{width:9px;height:2px;top:-1px;left:calc(3px + var(--spread, 0px))}.ch-dot{position:absolute;width:3px;height:3px;left:-1.5px;top:-1.5px;border-radius:50%;background:#fff}#crosshair.ads .ch-line{background:var(--neon-pink);box-shadow:0 0 6px #ff2e9de6}#hitmarker{position:absolute;left:50%;top:50%;width:26px;height:26px;margin:-13px 0 0 -13px;opacity:0;transform:rotate(45deg)}#hitmarker:before,#hitmarker:after{content:"";position:absolute;background:#fff;box-shadow:0 0 5px #ffffffe6}#hitmarker:before{width:2px;height:100%;left:12px}#hitmarker:after{width:100%;height:2px;top:12px}#hitmarker.kill:before,#hitmarker.kill:after{background:var(--hp-red);box-shadow:0 0 7px var(--hp-red)}#hitmarker.show{animation:hitpop .18s ease-out}@keyframes hitpop{0%{opacity:1;transform:rotate(45deg) scale(1.35)}to{opacity:0;transform:rotate(45deg) scale(.9)}}#hud-bottom-left{position:absolute;left:28px;bottom:26px}#health-label{font-size:11px;letter-spacing:.3em;opacity:.7;margin-bottom:5px}#health-bar{width:260px;height:14px;background:#ffffff14;border:1px solid rgba(46,230,255,.4);transform:skew(-12deg);overflow:hidden}#health-fill{width:100%;height:100%;background:linear-gradient(90deg,var(--hp-green),#9dffc8);box-shadow:0 0 12px #3dff8a99;transition:width .12s ease-out}#health-fill.low{background:linear-gradient(90deg,var(--hp-red),#ff8a9d);box-shadow:0 0 12px #ff3d5ab3;animation:hp-blink .7s infinite}@keyframes hp-blink{50%{filter:brightness(1.6)}}#hud-bottom-right{position:absolute;right:28px;bottom:26px;text-align:right}#weapon-name{font-size:13px;letter-spacing:.2em;color:var(--neon-cyan);margin-bottom:2px}#ammo-mag{font-size:44px;font-weight:800;color:#fff;text-shadow:0 0 12px rgba(46,230,255,.5)}#ammo-mag.empty{color:var(--hp-red);text-shadow:0 0 12px rgba(255,61,90,.7)}#ammo-sep{font-size:22px;opacity:.5;margin:0 6px}#ammo-reserve{font-size:22px;opacity:.8}#reload-hint{font-size:12px;color:var(--neon-yellow);opacity:0;transition:opacity .2s;letter-spacing:.15em;margin-top:2px}#reload-hint.show{opacity:1;animation:hp-blink .8s infinite}#hud-top-left{position:absolute;left:24px;top:24px}#radar{border-radius:50%;border:1px solid rgba(46,230,255,.45);background:#0508148c;box-shadow:0 0 18px #2ee6ff26,inset 0 0 24px #2ee6ff14}#hud-top-center{position:absolute;left:50%;top:22px;transform:translate(-50%);text-align:center}#wave-label{font-size:22px;font-weight:800;letter-spacing:.25em;text-shadow:0 0 10px rgba(46,230,255,.5)}#wave-num{color:var(--neon-cyan)}#enemies-left{font-size:12px;opacity:.75;letter-spacing:.15em;margin-top:2px}#hud-top-right{position:absolute;right:28px;top:24px;text-align:right}#score-label{font-size:11px;letter-spacing:.3em;opacity:.7}#score-value{font-size:32px;font-weight:800;color:var(--neon-yellow);text-shadow:0 0 12px rgba(255,233,46,.45)}#combo-value{font-size:14px;font-weight:700;color:var(--neon-pink);text-shadow:0 0 8px rgba(255,46,157,.6);min-height:18px}#wave-banner{position:absolute;left:50%;top:34%;transform:translate(-50%,-50%);font-size:clamp(34px,5vw,58px);font-weight:900;letter-spacing:.3em;color:#fff;text-shadow:0 0 20px var(--neon-cyan),0 0 70px rgba(46,230,255,.6);white-space:nowrap}#wave-banner.show{display:block;animation:banner 2.2s ease-out forwards}@keyframes banner{0%{opacity:0;transform:translate(-50%,-50%) scale(1.4);letter-spacing:.6em}15%{opacity:1;transform:translate(-50%,-50%) scale(1)}80%{opacity:1}to{opacity:0}}#pickup-toast{position:absolute;left:50%;bottom:130px;transform:translate(-50%);font-size:15px;font-weight:700;letter-spacing:.12em;color:var(--hp-green);text-shadow:0 0 10px rgba(61,255,138,.7);opacity:0}#pickup-toast.show{animation:toast 1.4s ease-out}@keyframes toast{0%{opacity:0;transform:translate(-50%,10px)}15%{opacity:1;transform:translate(-50%)}75%{opacity:1}to{opacity:0;transform:translate(-50%,-14px)}}#damage-vignette{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(ellipse at center,transparent 52%,rgba(255,20,50,.55) 100%);opacity:0;transition:opacity .1s ease-out}