:root{color-scheme:dark;font-family:Segoe UI,system-ui,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:#0a0a0a;color:#fafafa;overflow:hidden;-webkit-user-select:none;user-select:none}.game-container{position:relative;width:100vw;height:100vh;overflow:hidden;background:linear-gradient(180deg,#1a0a2e,#16213e 40%,#0f3460)}.game-canvas{display:block;position:absolute;top:0;left:0}.hud{position:absolute;top:0;left:0;right:0;padding:16px 24px;display:flex;justify-content:space-between;align-items:flex-start;pointer-events:none;z-index:10}.hud-left{display:flex;flex-direction:column;gap:8px}.hud-right{display:flex;flex-direction:column;align-items:flex-end;gap:6px}.health-bar-container{width:220px;height:20px;background:#0009;border:2px solid #c0a050;border-radius:4px;overflow:hidden;position:relative}.health-bar-fill{height:100%;background:linear-gradient(90deg,#e74c3c,#f39c12);transition:width .3s ease;border-radius:2px}.health-bar-label{position:absolute;top:50%;left:8px;transform:translateY(-50%);font-size:11px;font-weight:700;color:#fff;text-shadow:1px 1px 2px rgba(0,0,0,.8)}.chi-bar-container{width:180px;height:12px;background:#0009;border:2px solid #5090c0;border-radius:3px;overflow:hidden;position:relative}.chi-bar-fill{height:100%;background:linear-gradient(90deg,#3498db,#9b59b6);transition:width .3s ease;border-radius:2px}.chi-bar-label{position:absolute;top:50%;left:6px;transform:translateY(-50%);font-size:9px;font-weight:700;color:#fff;text-shadow:1px 1px 2px rgba(0,0,0,.8)}.score-display{font-size:28px;font-weight:800;color:#f1c40f;text-shadow:0 0 10px rgba(241,196,15,.5),2px 2px 4px rgba(0,0,0,.8);font-family:Courier New,monospace}.wave-display{font-size:14px;color:#e0e0e0;text-shadow:1px 1px 3px rgba(0,0,0,.8)}.combo-display{position:absolute;top:50%;right:40px;transform:translateY(-50%);text-align:right;pointer-events:none;z-index:10}.combo-count{font-size:64px;font-weight:900;color:#e74c3c;text-shadow:0 0 20px rgba(231,76,60,.6),3px 3px 6px rgba(0,0,0,.8);line-height:1;animation:comboPulse .3s ease}.combo-label{font-size:18px;font-weight:700;color:#f39c12;text-transform:uppercase;letter-spacing:.15em;text-shadow:1px 1px 3px rgba(0,0,0,.8)}@keyframes comboPulse{0%{transform:scale(1.4)}to{transform:scale(1)}}.game-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000000bf;z-index:20;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.title-text{font-size:72px;font-weight:900;color:#f1c40f;text-shadow:0 0 30px rgba(241,196,15,.4),4px 4px 0 #c0392b;letter-spacing:-.02em;margin-bottom:8px}.subtitle-text{font-size:20px;color:#e0e0e0;margin-bottom:40px;letter-spacing:.1em}.start-btn{padding:16px 48px;font-size:20px;font-weight:700;background:linear-gradient(135deg,#e74c3c,#c0392b);color:#fff;border:3px solid #f39c12;border-radius:8px;cursor:pointer;text-transform:uppercase;letter-spacing:.1em;transition:all .2s;pointer-events:auto}.start-btn:hover{transform:scale(1.05);box-shadow:0 0 25px #e74c3c80}.controls-info{margin-top:32px;text-align:center;color:#fff9;font-size:14px;line-height:2}.controls-info kbd{display:inline-block;padding:2px 8px;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:4px;font-family:monospace;font-size:13px;color:#f1c40f}.game-over-score{font-size:48px;font-weight:900;color:#f1c40f;margin:16px 0}.game-over-wave{font-size:18px;color:#bbb;margin-bottom:32px}.mobile-controls{position:absolute;bottom:20px;left:0;right:0;display:none;justify-content:space-between;padding:0 20px;z-index:15;pointer-events:none}@media(max-width:768px){.mobile-controls{display:flex}}.mobile-dpad{display:flex;flex-direction:column;align-items:center;gap:4px;pointer-events:auto}.mobile-dpad-row{display:flex;gap:4px}.mobile-btn{width:56px;height:56px;border-radius:50%;background:#ffffff26;border:2px solid rgba(255,255,255,.3);color:#fff;font-size:20px;display:flex;align-items:center;justify-content:center;cursor:pointer;-webkit-tap-highlight-color:transparent}.mobile-btn:active{background:#ffffff59}.mobile-actions{display:flex;gap:10px;align-items:flex-end;pointer-events:auto}.mobile-action-btn{width:64px;height:64px;border-radius:50%;border:2px solid;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;cursor:pointer;-webkit-tap-highlight-color:transparent;color:#fff}.btn-punch{background:#e74c3c66;border-color:#e74c3c}.btn-kick{background:#3498db66;border-color:#3498db}.btn-special{background:#9b59b666;border-color:#9b59b6}.damage-float{position:absolute;pointer-events:none;font-weight:900;font-size:24px;color:#f1c40f;text-shadow:2px 2px 4px rgba(0,0,0,.8);animation:floatUp .8s ease-out forwards;z-index:12}@keyframes floatUp{0%{opacity:1;transform:translateY(0) scale(1.2)}to{opacity:0;transform:translateY(-60px) scale(.8)}}.hit-flash{position:absolute;top:0;right:0;bottom:0;left:0;background:#ffffff26;pointer-events:none;z-index:5;animation:flashFade .15s ease-out forwards}@keyframes flashFade{0%{opacity:1}to{opacity:0}}