:root{color-scheme:dark;--bg0: #040412;--bg1: #050528;--text: rgba(255, 255, 255, .92);--muted: rgba(255, 255, 255, .62);--neon-cyan: #2dfcff;--neon-pink: #ff2dfc;--neon-lime: #b7ff2d;--panel: rgba(12, 14, 38, .72);--panel-border: rgba(255, 255, 255, .08);--shadow: 0 20px 80px rgba(0, 0, 0, .6)}html,body{height:100%}body{margin:0;background:radial-gradient(1000px 600px at 50% 0%,rgba(45,252,255,.08),transparent 60%),radial-gradient(900px 500px at 70% 30%,rgba(255,45,252,.06),transparent 55%),radial-gradient(1000px 700px at 30% 40%,rgba(183,255,45,.05),transparent 60%),linear-gradient(180deg,var(--bg1),var(--bg0));color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}#root{height:100%}.app{min-height:100%;display:flex;flex-direction:column;align-items:center;padding:32px 16px;gap:16px}.header{text-align:center}.title{font-size:clamp(24px,3vw,36px);letter-spacing:.08em;text-transform:uppercase;color:var(--neon-cyan);text-shadow:0 0 16px rgba(45,252,255,.35)}.subtitle{margin-top:10px;color:var(--muted);font-size:14px;line-height:1.5}.main{width:min(960px,100%)}.gameShell{width:100%;background:var(--panel);border:1px solid var(--panel-border);border-radius:16px;box-shadow:var(--shadow);overflow:hidden;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.hud{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--panel-border);gap:12px;flex-wrap:wrap}.hudGroup{display:flex;gap:12px;align-items:baseline}.hudLabel{color:var(--muted);font-size:12px;letter-spacing:.08em;text-transform:uppercase}.hudValue{font-size:16px;color:var(--text)}.hudValue.score{color:var(--neon-lime);text-shadow:0 0 12px rgba(183,255,45,.25)}.hudValue.high{color:var(--neon-cyan);text-shadow:0 0 12px rgba(45,252,255,.22)}.hudValue.wave{color:#a38bff;text-shadow:0 0 12px rgba(163,139,255,.22)}.hudValue.lives{color:var(--neon-pink);text-shadow:0 0 12px rgba(255,45,252,.25)}.canvasFrame{padding:16px}.canvasWrap{position:relative;width:100%;aspect-ratio:3 / 2;background:#00000080;border:1px solid rgba(255,255,255,.08);border-radius:12px;overflow:hidden}canvas{display:block;width:100%;height:100%;image-rendering:pixelated}.scanlines{pointer-events:none;position:absolute;top:0;right:0;bottom:0;left:0;background:repeating-linear-gradient(to bottom,rgba(255,255,255,.06) 0px,rgba(255,255,255,.04) 1px,transparent 3px,transparent 6px);mix-blend-mode:overlay;opacity:.15}.vignette{pointer-events:none;position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 50% 40%,transparent 55%,rgba(0,0,0,.65) 100%)}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:20px;background:#0000008c}.overlayCard{max-width:520px;width:100%;background:#0a0c1ae6;border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:18px 18px 14px;text-align:center;box-shadow:0 18px 60px #000000a6}.overlayTitle{font-size:22px;letter-spacing:.06em;text-transform:uppercase;margin:0;color:var(--neon-cyan)}.overlayText{margin:10px 0 0;color:var(--muted);font-size:14px;line-height:1.5}.actions{margin-top:14px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}button{background:linear-gradient(180deg,#2dfcff2e,#2dfcff0f);border:1px solid rgba(45,252,255,.45);color:var(--text);padding:10px 14px;border-radius:12px;font:inherit;letter-spacing:.04em;cursor:pointer}button:hover{background:linear-gradient(180deg,#2dfcff3d,#2dfcff14)}button:active{transform:translateY(1px)}button:disabled{opacity:.55;cursor:not-allowed}button.secondary{background:linear-gradient(180deg,#ff2dfc29,#ff2dfc0f);border-color:#ff2dfc73}button.secondary:hover{background:linear-gradient(180deg,#ff2dfc38,#ff2dfc14)}button.tertiary{background:linear-gradient(180deg,#ffffff1a,#ffffff0a);border-color:#ffffff38;color:var(--muted)}button.tertiary:hover{background:linear-gradient(180deg,#ffffff24,#ffffff0f)}button.hudButton{background:linear-gradient(180deg,#ffffff1f,#ffffff0a);border-color:#ffffff38;color:var(--muted);font-size:12px;padding:6px 10px;border-radius:10px}button.hudButton:hover{background:linear-gradient(180deg,#ffffff2e,#ffffff0f)}.kbd{display:inline-flex;align-items:center;justify-content:center;padding:2px 7px;border-radius:7px;border:1px solid rgba(255,255,255,.16);background:#ffffff0f;color:#ffffffd9;font-size:12px}