:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;background:#0a0a0a;color:#fafafa;overflow:hidden;-webkit-user-select:none;user-select:none}canvas{display:block;cursor:crosshair}.hud{position:fixed;top:0;left:0;right:0;padding:16px 24px;display:flex;justify-content:space-between;align-items:center;pointer-events:none;z-index:10}.hud-left,.hud-right{display:flex;gap:24px;align-items:center}.hud-item{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;color:#fffc;text-shadow:0 0 8px rgba(0,0,0,.8)}.hud-item span{color:#fff;font-weight:700}.health-bar{width:160px;height:10px;background:#ffffff26;border-radius:5px;overflow:hidden}.health-fill{height:100%;border-radius:5px;transition:width .2s ease}.wave-announce{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);font-size:48px;font-weight:800;letter-spacing:.05em;text-shadow:0 0 30px rgba(255,100,50,.6);pointer-events:none;z-index:20;animation:waveIn 2s ease forwards}@keyframes waveIn{0%{opacity:0;transform:translate(-50%,-50%) scale(.5)}20%{opacity:1;transform:translate(-50%,-50%) scale(1.1)}30%{transform:translate(-50%,-50%) scale(1)}80%{opacity:1}to{opacity:0;transform:translate(-50%,-50%) scale(1.2)}}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:#000000d9;z-index:30}.overlay-card{text-align:center;padding:3rem;border:1px solid rgba(255,255,255,.1);border-radius:1rem;background:#ffffff0a;max-width:400px}.overlay-card h1{margin:0 0 .5rem;font-size:2.5rem;font-weight:800;letter-spacing:-.02em}.overlay-card p{margin:0 0 1.5rem;color:#fff9;font-size:.95rem}.overlay-card .score-display{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:3rem;font-weight:800;color:#f59e0b;margin:1rem 0}.btn{display:inline-block;padding:12px 32px;font-size:1rem;font-weight:600;color:#000;background:#fff;border:none;border-radius:8px;cursor:pointer;pointer-events:all;transition:transform .1s}.btn:hover{transform:scale(1.05)}.btn:active{transform:scale(.97)}.controls-hint{margin-top:1.5rem;font-size:.75rem;color:#ffffff59;line-height:1.8}