:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden;background:#0a0200}.game-container{position:relative;width:100%;height:100vh}.game-canvas{display:block;width:100%;height:100%;cursor:crosshair}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:10}.menu{text-align:center;animation:fadeIn .5s ease}.title{font-size:3.5rem;font-weight:900;background:linear-gradient(135deg,#fc0,#f60,red);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:.08em;margin-bottom:.5rem;filter:drop-shadow(0 0 20px rgba(255,80,0,.4))}.subtitle{color:#ffc864b3;font-size:1.1rem;margin-bottom:2rem}.controls{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.5rem;color:#fff9;font-size:.9rem}kbd{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:4px;padding:2px 8px;font-family:ui-monospace,monospace;font-size:.85rem}.enemy-legend{display:flex;flex-direction:column;gap:.4rem;margin-bottom:2rem;color:#ffffff80;font-size:.8rem}.legend-item{display:flex;align-items:center;justify-content:center;gap:.5rem}.dot{display:inline-block;width:10px;height:10px;border-radius:50%}.dot-blue{background:#48f;box-shadow:0 0 6px #48f}.dot-purple{background:#a4f;box-shadow:0 0 6px #a4f}.dot-cyan{background:#4dd;box-shadow:0 0 6px #4dd}.btn-start{background:linear-gradient(135deg,#f60,#f30);color:#fff;border:none;padding:14px 48px;font-size:1.2rem;font-weight:700;border-radius:8px;cursor:pointer;letter-spacing:.1em;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 20px #ff500066}.btn-start:hover{transform:scale(1.05);box-shadow:0 6px 30px #ff500099}.btn-start:active{transform:scale(.98)}.hud{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:flex-start;padding:16px 20px;pointer-events:none;z-index:5}.hud-left,.hud-right{display:flex;flex-direction:column;gap:6px}.hud-center{flex:1;display:flex;justify-content:center;padding-top:4px}.health-bar-container{width:200px;height:20px;background:#0009;border-radius:10px;overflow:hidden;border:2px solid rgba(255,100,0,.4);position:relative}.health-bar{height:100%;background:linear-gradient(90deg,#f30,#f60,#fa0);transition:width .3s ease;border-radius:8px}.health-text{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.8)}.wave-info{color:#ffc864cc;font-size:.85rem;font-weight:600}.score{color:#fc0;font-size:1.8rem;font-weight:900;text-align:right;text-shadow:0 0 10px rgba(255,200,0,.5)}.kills{color:#ffffff80;font-size:.8rem;text-align:right}.combo{color:#f80;font-size:1.5rem;font-weight:900;text-shadow:0 0 15px rgba(255,100,0,.6);animation:comboPulse .3s ease}.gameover{text-align:center;animation:fadeIn .5s ease}.gameover h1{font-size:3rem;font-weight:900;color:#f30;text-shadow:0 0 30px rgba(255,50,0,.5);margin-bottom:2rem}.final-stats{display:flex;gap:2rem;margin-bottom:2rem;justify-content:center}.stat{display:flex;flex-direction:column;gap:.25rem}.stat-label{color:#ffffff80;font-size:.85rem;text-transform:uppercase;letter-spacing:.1em}.stat-value{color:#fc0;font-size:2rem;font-weight:900}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes comboPulse{0%{transform:scale(1.4)}to{transform:scale(1)}}