*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;overflow:hidden;background:#000;color:#e0e0e0;font-family:Courier New,monospace}.game-container{position:relative;width:100vw;height:100vh;overflow:hidden}canvas{display:block;width:100%;height:100%}.hud{position:absolute;top:0;left:0;right:0;padding:12px 20px;display:flex;justify-content:space-between;align-items:flex-start;pointer-events:none;z-index:10}.hud-left,.hud-right{display:flex;flex-direction:column;gap:6px}.hud-right{align-items:flex-end}.hud-label{font-size:10px;text-transform:uppercase;letter-spacing:2px;color:#888}.hud-value{font-size:22px;font-weight:700;text-shadow:0 0 10px rgba(255,100,50,.6)}.health-bar-outer{width:160px;height:10px;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:2px;overflow:hidden}.health-bar-inner{height:100%;background:linear-gradient(90deg,#c0392b,#e74c3c);transition:width .3s ease;box-shadow:0 0 8px #e74c3c80}.ammo-display{font-size:18px;color:#f39c12}.wave-alert{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:36px;font-weight:700;text-transform:uppercase;letter-spacing:6px;color:#e74c3c;text-shadow:0 0 20px rgba(231,76,60,.8),0 0 40px rgba(231,76,60,.4);pointer-events:none;z-index:20;animation:wavePulse 2s ease-out forwards}@keyframes wavePulse{0%{opacity:1;transform:translate(-50%,-50%) scale(.5)}20%{transform:translate(-50%,-50%) scale(1.1)}40%{transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-50%) scale(1)}}.start-screen,.game-over-screen{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000000d9;z-index:50;pointer-events:auto}.game-title{font-size:48px;font-weight:700;letter-spacing:4px;text-transform:uppercase;color:#e74c3c;text-shadow:0 0 30px rgba(231,76,60,.6);margin-bottom:8px}.game-subtitle{font-size:16px;color:#888;letter-spacing:6px;text-transform:uppercase;margin-bottom:40px}.start-btn{padding:14px 48px;font-size:16px;font-family:Courier New,monospace;font-weight:700;text-transform:uppercase;letter-spacing:4px;background:transparent;border:2px solid #e74c3c;color:#e74c3c;cursor:pointer;transition:all .2s}.start-btn:hover{background:#e74c3c;color:#000;box-shadow:0 0 20px #e74c3c66}.controls-hint{margin-top:30px;font-size:12px;color:#666;letter-spacing:1px;text-align:center;line-height:2}.game-over-stats{display:flex;flex-direction:column;align-items:center;gap:8px;margin-bottom:30px}.stat-line{font-size:18px;color:#aaa}.stat-line span{color:#f39c12;font-weight:700}.storm-warning{position:absolute;bottom:80px;left:50%;transform:translate(-50%);font-size:14px;color:#f39c12;text-transform:uppercase;letter-spacing:3px;pointer-events:none;z-index:15;animation:stormFlash 1s infinite alternate}@keyframes stormFlash{0%{opacity:.5}to{opacity:1}}.weapon-switch{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;gap:12px;pointer-events:none;z-index:10}.weapon-slot{padding:6px 14px;border:1px solid rgba(255,255,255,.2);background:#0009;color:#888;font-size:12px;letter-spacing:1px;text-transform:uppercase;border-radius:3px}.weapon-slot.active{border-color:#f39c12;color:#f39c12;box-shadow:0 0 8px #f39c124d}