: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:#050a03;color:#e0e0e0;overflow:hidden}.game-root{width:100vw;height:100vh;display:flex;flex-direction:column}.hud{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;background:#000c;border-bottom:1px solid rgba(60,120,40,.4);height:56px;flex-shrink:0}.hud-left,.hud-right{display:flex;align-items:center;min-width:200px}.hud-center{text-align:center}.hud-right{flex-direction:row-reverse}.hp-container{display:flex;align-items:center;gap:10px}.hp-label{font-size:12px;font-weight:700;color:#888;letter-spacing:.1em;text-transform:uppercase}.hp-bar-outer{width:160px;height:14px;background:#ffffff14;border-radius:2px;overflow:hidden;border:1px solid rgba(255,255,255,.1)}.hp-bar-inner{height:100%;transition:width .2s ease,background .3s ease;border-radius:1px}.hp-text{font-size:14px;font-weight:700;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;min-width:30px}.wave-label{font-size:16px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;color:#c44;text-shadow:0 0 10px rgba(200,50,50,.5)}.remaining-label{font-size:11px;color:#888;letter-spacing:.05em}.score-label{font-size:12px;font-weight:700;color:#888;letter-spacing:.1em}.score-value{font-size:22px;font-weight:800;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#fc3;text-shadow:0 0 8px rgba(255,200,50,.3)}.canvas-container{flex:1;position:relative;overflow:hidden;cursor:crosshair}.game-canvas{width:100%;height:100%;display:block}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:#000000d9;z-index:10;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.overlay-content{text-align:center;padding:40px}.title{font-size:48px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#c22;text-shadow:0 0 30px rgba(200,30,30,.6),0 0 60px rgba(200,30,30,.3);margin-bottom:8px}.game-over-title{font-size:64px;color:#f11;text-shadow:0 0 40px rgba(255,0,0,.8),0 0 80px rgba(255,0,0,.4);animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.03)}}.subtitle{font-size:16px;color:#888;margin-bottom:30px;letter-spacing:.05em}.controls{display:flex;flex-direction:column;gap:8px;margin-bottom:32px;font-size:14px;color:#aaa}.control-row{display:flex;align-items:center;justify-content:center;gap:12px}kbd{display:inline-block;min-width:60px;padding:4px 10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;font-weight:700;text-align:center;color:#ccc;background:#ffffff0f;border:1px solid rgba(255,255,255,.15);border-radius:4px;letter-spacing:.05em}.btn-start{padding:14px 48px;font-size:16px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#fff;background:linear-gradient(180deg,#c22,#811);border:1px solid #dd3333;border-radius:4px;cursor:pointer;transition:all .15s ease}.btn-start:hover{background:linear-gradient(180deg,#d33,#a22);box-shadow:0 0 20px #c81e1e80;transform:translateY(-1px)}.btn-start:active{transform:translateY(0)}.final-stats{margin-bottom:30px}.stat-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.06);font-size:16px;min-width:260px}.stat-value{font-weight:800;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#fc3}