*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;height:100%;background:var(--game-bg, #0a0617);overflow:hidden;overscroll-behavior:none}#app{--bg:#0a0617;--bg2:#120a26;--mag:#ff2d95;--cyan:#16e0ff;--purp:#a64bff;--orange:#ff9b2f;--yellow:#ffd23f;--red:#ff2e63;--txt:#e9e2ff;--dim:#8a7fb8;--line:rgba(166,75,255,.18);--ui:rgba(14,8,30,.82);--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;--sans:"Segoe UI",system-ui,-apple-system,Roboto,sans-serif;height:100dvh;max-width:480px;margin:0 auto;display:flex;flex-direction:column;position:relative;-webkit-user-select:none;user-select:none;font-family:var(--sans);color:var(--txt)}#hud{display:flex;align-items:center;gap:4px;padding:9px 12px;background:linear-gradient(180deg,#0a0617f2,#0a061766);z-index:6}#hud .backbtn{display:flex;align-items:center;justify-content:center;width:30px;height:30px;margin-right:2px;flex:none;border-radius:9px;border:1px solid var(--line);background:#0e081e99;color:var(--cyan);font:700 19px var(--sans);text-decoration:none;line-height:1}#hud .backbtn:active{transform:scale(.93)}.stat{display:flex;flex-direction:column;line-height:1.05;padding:0 9px;flex:1}.stat .lab{font:700 8.5px var(--sans);letter-spacing:.18em;color:var(--dim)}.stat .val{font:600 18px var(--mono);margin-top:2px;letter-spacing:.02em}.v-life{color:var(--red)}.v-cash{color:var(--yellow)}.v-wave{color:var(--cyan)}.v-score{color:var(--purp)}.speed{font:700 13px var(--mono);color:var(--cyan);background:#16e0ff1a;border:1px solid rgba(22,224,255,.35);border-radius:9px;padding:8px 11px;cursor:pointer;letter-spacing:.04em}.speed:active{transform:scale(.96)}#stage{flex:1;min-height:0;position:relative;overflow:hidden}#bg,#game{position:absolute;inset:0;margin:auto;display:block}#bg{z-index:0}#game{z-index:1;touch-action:none}#dock{z-index:6;background:linear-gradient(0deg,#0a0617f7,#0a06178c);padding:8px 10px calc(8px + 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transparent}.up{background:linear-gradient(90deg,var(--cyan),#5ce0ff);color:#04121a}.up:disabled{opacity:.4;cursor:default}.sell{background:transparent;border-color:var(--line);color:var(--mag)}.pclose{position:absolute;top:9px;right:11px;font:700 18px var(--sans);color:var(--dim);background:none;border:none;cursor:pointer}#toast{position:absolute;left:50%;bottom:96px;transform:translate(-50%) translateY(10px);z-index:9;background:#100a20f2;border:1px solid var(--line);border-radius:11px;padding:9px 15px;font:600 13px var(--mono);color:var(--txt);opacity:0;transition:.2s;pointer-events:none;white-space:nowrap}#toast.show{opacity:1;transform:translate(-50%) translateY(0)}#toast.bad{border-color:#ff2e6380;color:#ffb3c4}#overlay{position:absolute;inset:0;z-index:20;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px;background:radial-gradient(120% 90% at 50% 30%,#140a28b3,#0a0617f0)}#overlay.hide{display:none}.glow-title{font:800 44px var(--sans);letter-spacing:.04em;margin:0;line-height:.95;color:#fff;text-shadow:0 0 8px var(--mag),0 0 24px var(--mag),0 0 48px rgba(255,45,149,.6)}.glow-title span{color:#fff;text-shadow:0 0 8px var(--cyan),0 0 24px var(--cyan),0 0 48px rgba(22,224,255,.6)}.sub{font:600 13px var(--mono);letter-spacing:.18em;color:var(--cyan);margin:14px 0 0;text-transform:uppercase}.ov-info{font:500 14px var(--sans);color:var(--dim);max-width:32ch;line-height:1.55;margin:18px 0 4px}.ov-info b{color:var(--txt)}.ov-rec{font:600 13px var(--mono);color:var(--yellow);margin:14px 0 0;min-height:18px}.startbtn{font:800 19px var(--sans);letter-spacing:.08em;color:#0a0617;text-transform:uppercase;background:linear-gradient(90deg,var(--cyan),var(--mag));border:none;border-radius:14px;padding:15px 40px;margin-top:24px;cursor:pointer;box-shadow:0 0 30px #a64bff80}.startbtn:active{transform:translateY(1px)}.big-tier{font:800 34px var(--sans);color:#fff;margin:6px 0 0;text-shadow:0 0 18px var(--mag)}