: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:#000;color:#fafafa;overflow:hidden}.game-container{position:relative;width:100vw;height:100vh;display:flex;align-items:center;justify-content:center;background:#000}canvas{display:block;image-rendering:pixelated}.hud{position:absolute;top:0;left:0;right:0;padding:12px 20px;display:flex;justify-content:space-between;align-items:center;pointer-events:none;z-index:10;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.hud-left,.hud-right{display:flex;gap:20px;align-items:center}.hud-label{font-size:.65rem;letter-spacing:.15em;text-transform:uppercase;color:#ffffff80;margin-bottom:2px}.hud-value{font-size:1.1rem;font-weight:700;color:#fff}.hud-value.score{color:gold}.hud-value.wave{color:#00d4ff}.health-bar-container{width:180px;height:10px;background:#ffffff1a;border-radius:5px;overflow:hidden;border:1px solid rgba(255,255,255,.2)}.health-bar{height:100%;background:linear-gradient(90deg,#f44,#f80,#4f4);transition:width .3s ease;border-radius:5px}.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)}.overlay h1{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:2.5rem;margin:0 0 8px;letter-spacing:.1em;text-transform:uppercase}.overlay .subtitle{font-size:.85rem;color:#ffffff80;margin-bottom:30px;letter-spacing:.1em}.overlay .final-score{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.5rem;color:gold;margin-bottom:30px}.overlay .controls{font-size:.75rem;color:#fff6;margin-bottom:24px;text-align:center;line-height:1.8}.start-btn{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9rem;letter-spacing:.15em;text-transform:uppercase;padding:12px 36px;background:transparent;color:#00d4ff;border:2px solid #00d4ff;border-radius:4px;cursor:pointer;transition:all .2s}.start-btn:hover{background:#00d4ff;color:#000}.title-gundam{color:gold}.title-vs{color:#ffffff4d;font-size:1.2rem;margin:0 8px}.title-zaku{color:#f44}