:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden;background:#0a0a1a}.game{width:100%;height:100%;position:relative;cursor:crosshair;-webkit-user-select:none;user-select:none}.hud{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:12px 20px;background:linear-gradient(180deg,rgba(0,0,0,.7),transparent);z-index:10;pointer-events:none}.hud-left,.hud-right{display:flex;gap:18px;align-items:center}.stat{display:flex;align-items:center;gap:6px;font-size:15px;font-weight:600;text-shadow:0 0 8px rgba(0,255,200,.5)}.stat .label{opacity:.6;font-size:11px;text-transform:uppercase;letter-spacing:1px}.stat .value{font-size:20px;font-variant-numeric:tabular-nums}.stat.hp .value{color:#f46}.stat.coins .value{color:gold}.stat.wave .value{color:#00ffc8}.stat.combo .value{color:#f80}.stat.score .value{color:#a78bfa}.arena{position:absolute;top:0;right:0;bottom:0;left:0}.beat-ring{position:absolute;top:50%;left:50%;width:60px;height:60px;border-radius:50%;border:3px solid rgba(0,255,200,.2);transform:translate(-50%,-50%);pointer-events:none;z-index:5}.beat-ring.pulse{animation:beatPulse .3s ease-out}@keyframes beatPulse{0%{transform:translate(-50%,-50%) scale(1);border-color:#00ffc8cc}to{transform:translate(-50%,-50%) scale(2);border-color:#00ffc800}}.enemy{position:absolute;border-radius:50%;cursor:pointer;transform:translate(-50%,-50%);z-index:3;display:flex;align-items:center;justify-content:center;font-size:18px;pointer-events:auto;transition:none}.enemy:active{transform:translate(-50%,-50%) scale(.8)}.enemy.normal{background:radial-gradient(circle,#f46,#c13);box-shadow:0 0 15px #ff446680}.enemy.fast{background:radial-gradient(circle,#fa0,#c70);box-shadow:0 0 15px #ffaa0080}.enemy.tank{background:radial-gradient(circle,#84f,#50c);box-shadow:0 0 15px #8844ff80}.enemy.boss{background:radial-gradient(circle,#f04,#802);box-shadow:0 0 25px #ff0044b3;border:2px solid #ff4466}.score-pop{position:absolute;pointer-events:none;font-weight:900;font-size:18px;z-index:20;animation:popUp .7s ease-out forwards;text-shadow:0 0 8px currentColor}@keyframes popUp{0%{opacity:1;transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-90%) scale(1.5)}}.particle{position:absolute;border-radius:50%;pointer-events:none;z-index:15;animation:particleBurst .5s ease-out forwards}@keyframes particleBurst{0%{opacity:1;transform:translate(0) scale(1)}to{opacity:0;transform:translate(var(--dx),var(--dy)) scale(0)}}.shop-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000e0;z-index:100;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.shop-title{font-size:30px;font-weight:900;background:linear-gradient(90deg,gold,#f80);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-transform:uppercase;letter-spacing:3px}.shop-coins{font-size:18px;color:gold}.shop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:660px;width:90%}.shop-item{background:#ffffff0d;border:2px solid rgba(255,255,255,.08);border-radius:14px;padding:16px 12px;text-align:center;cursor:pointer;transition:all .15s}.shop-item:hover{border-color:gold;background:#ffd70014;transform:translateY(-2px)}.shop-item.disabled{opacity:.35;cursor:not-allowed;transform:none;border-color:#ffffff0a}.shop-item .icon{font-size:28px;margin-bottom:4px}.shop-item .name{font-size:13px;font-weight:700;margin-bottom:3px}.shop-item .desc{font-size:10px;opacity:.55;margin-bottom:6px;line-height:1.3}.shop-item .cost{font-size:14px;font-weight:800;color:gold}.shop-item .level{font-size:10px;opacity:.35;margin-top:3px}.shop-continue{margin-top:8px;padding:12px 36px;font-size:16px;font-weight:700;background:linear-gradient(135deg,#00ffc8,#097);color:#000;border:none;border-radius:10px;cursor:pointer;letter-spacing:1px;text-transform:uppercase}.shop-continue:hover{filter:brightness(1.15)}.screen{position:absolute;top:0;right:0;bottom:0;left:0;z-index:200;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:#000000eb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.screen h1{font-size:44px;font-weight:900;text-transform:uppercase;letter-spacing:4px}.screen .sub{font-size:14px;opacity:.4;margin-bottom:8px}.screen .final-score{font-size:26px;color:#a78bfa;font-weight:700}.screen button{padding:14px 44px;font-size:18px;font-weight:700;background:linear-gradient(135deg,#00ffc8,#097);color:#000;border:none;border-radius:12px;cursor:pointer;letter-spacing:1px;text-transform:uppercase}.screen button:hover{filter:brightness(1.15)}.title-screen h1{background:linear-gradient(90deg,#00ffc8,#a78bfa,#f46);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.title-screen .how{font-size:12px;opacity:.45;line-height:1.6;text-align:center;max-width:320px}.game-over h1{color:#f46}.beat-flash{position:absolute;top:0;right:0;bottom:0;left:0;background:#00ffc808;pointer-events:none;z-index:1;animation:flashFade .3s ease-out forwards}@keyframes flashFade{0%{opacity:1}to{opacity:0}}.hp-bar-container{position:absolute;bottom:18px;left:50%;transform:translate(-50%);width:220px;height:8px;background:#ffffff14;border-radius:4px;overflow:hidden;z-index:10}.hp-bar{height:100%;background:linear-gradient(90deg,#f46,#f04);border-radius:4px;transition:width .3s}.beat-indicator{position:absolute;bottom:36px;left:50%;transform:translate(-50%);display:flex;gap:3px;z-index:10}.beat-dot{width:7px;height:7px;border-radius:50%;background:#ffffff1f}.beat-dot.active{background:#00ffc8;box-shadow:0 0 6px #00ffc8}.wave-announce{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:36px;font-weight:900;color:#00ffc8;text-transform:uppercase;letter-spacing:4px;z-index:50;pointer-events:none;animation:waveAnnounce 1.5s ease-out forwards;text-shadow:0 0 20px rgba(0,255,200,.5)}@keyframes waveAnnounce{0%{opacity:0;transform:translate(-50%,-50%) scale(.5)}20%{opacity:1;transform:translate(-50%,-50%) scale(1.1)}80%{opacity:1}to{opacity:0;transform:translate(-50%,-50%) scale(1.3)}}