: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;margin:0;padding:0}html,body,#root{min-height:100vh;background:#000;color:#fafafa;overflow:hidden}.game-container{position:relative;width:100vw;height:100vh}canvas{display:block;width:100%;height:100%}.hud{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:12px 20px;background:linear-gradient(to bottom,rgba(0,0,0,.8),transparent);pointer-events:none;z-index:10}.hud-left,.hud-right{display:flex;gap:20px;align-items:center}.stat{display:flex;align-items:center;gap:6px;font-size:16px;font-weight:600;text-shadow:0 0 10px rgba(255,255,255,.3)}.stat-icon{font-size:20px}.stat.coins{color:gold}.stat.torches{color:#ff8c00}.stat.health{color:#f33}.stat.wave{color:#8af}.stat.time{color:#afa}.shop-bar{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;gap:12px;z-index:10}.shop-btn{padding:12px 24px;border:2px solid rgba(255,255,255,.2);border-radius:12px;background:#000000b3;color:#fafafa;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;gap:8px;pointer-events:all}.shop-btn:hover:not(:disabled){background:#ff8c004d;border-color:#ff8c00;transform:translateY(-2px)}.shop-btn:disabled{opacity:.4;cursor:not-allowed}.shop-btn .cost{color:gold;font-size:13px}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000000d9;z-index:100;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.overlay h1{font-size:48px;font-weight:800;letter-spacing:-.03em;margin-bottom:12px;text-shadow:0 0 30px rgba(255,100,0,.5)}.overlay h2{font-size:28px;font-weight:700;color:#f44;margin-bottom:8px}.overlay .subtitle{color:#fff9;font-size:16px;margin-bottom:32px;text-align:center;line-height:1.6}.overlay .final-stats{display:flex;gap:24px;margin-bottom:32px}.overlay .final-stat{text-align:center;font-size:14px;color:#ffffff80}.overlay .final-stat .value{font-size:28px;font-weight:700;color:#fafafa;display:block;margin-bottom:4px}.play-btn{padding:16px 48px;border:2px solid #ff8c00;border-radius:16px;background:linear-gradient(135deg,#ff8c004d,#ff3c004d);color:#fafafa;font-size:20px;font-weight:700;cursor:pointer;transition:all .2s;letter-spacing:.05em}.play-btn:hover{background:linear-gradient(135deg,#ff8c0080,#ff3c0080);transform:scale(1.05);box-shadow:0 0 30px #ff8c004d}.controls-hint{margin-top:20px;font-size:13px;color:#ffffff59}.wave-announce{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:56px;font-weight:800;color:#f44;text-shadow:0 0 40px rgba(255,0,0,.5);z-index:50;animation:waveIn 2s ease-out forwards;pointer-events:none}@keyframes waveIn{0%{opacity:0;transform:translate(-50%,-50%) scale(.5)}20%{opacity:1;transform:translate(-50%,-50%) scale(1.1)}40%{transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-50%) scale(1.5)}}.sound-toggle{position:absolute;top:12px;right:12px;z-index:200;background:#0009;border:1px solid rgba(255,255,255,.15);border-radius:8px;color:#fafafa;font-size:18px;padding:6px 10px;cursor:pointer}