.game-container{width:100vw;height:100vh;overflow:hidden;position:relative;font-family:Inter,system-ui,-apple-system,sans-serif;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;transition:background 1s ease}.game-canvas{background:#0000004d;border-radius:12px;box-shadow:0 0 40px #00000080;max-width:95vw;max-height:70vh;cursor:crosshair}.hud-top{position:absolute;top:20px;width:90%;display:flex;justify-content:space-between;align-items:center;z-index:10}.cloud-sync{display:flex;align-items:center;gap:8px;font-size:12px;color:#fff9;background:#0006;padding:6px 12px;border-radius:20px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.stats-row{display:flex;gap:20px}.stat-item{display:flex;align-items:center;gap:8px;background:#0009;padding:8px 16px;border-radius:12px;font-weight:800;font-size:18px;border:1px solid rgba(255,255,255,.1)}.score-display{background:linear-gradient(135deg,#f9d423,#ff4e50);color:#fff;box-shadow:0 4px 15px #ff4e5066}.hud-bottom{position:absolute;bottom:20px;width:90%;display:flex;justify-content:space-between;align-items:center;z-index:10}.health-bar-container{width:250px;height:24px;background:#00000080;border-radius:12px;position:relative;overflow:hidden;border:2px solid rgba(255,255,255,.2)}.health-fill{height:100%;transition:width .3s ease,background-color .3s ease}.bar-label{position:absolute;width:100%;text-align:center;font-size:10px;font-weight:900;line-height:20px;text-shadow:0 1px 2px rgba(0,0,0,.8)}.ammo-container{display:flex;align-items:center;gap:12px;background:#00000080;padding:8px 20px;border-radius:30px}.ammo-dots{display:flex;gap:4px}.ammo-dot{width:6px;height:12px;background:#ffffff1a;border-radius:2px}.ammo-dot.active{background:#00d4ff;box-shadow:0 0 8px #00d4ff}.era-badge{padding:8px 20px;border:2px solid;border-radius:8px;font-weight:800;text-transform:uppercase;letter-spacing:2px;background:#0006}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:100}.menu-card{text-align:center;padding:40px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:32px;box-shadow:0 20px 50px #00000080}.game-title{font-size:64px;font-weight:900;margin:0;letter-spacing:-2px;background:linear-gradient(to bottom,#fff,#888);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.game-title span{color:#ff4d4d;-webkit-text-fill-color:#ff4d4d}.subtitle{font-size:18px;color:#ffffff80;margin-bottom:30px}.era-previews{display:flex;justify-content:center;gap:15px;margin-bottom:40px}.era-dot{width:12px;height:12px;border-radius:50%;box-shadow:0 0 15px currentColor}.start-btn,.retry-btn{background:#fff;color:#000;border:none;padding:16px 48px;font-size:20px;font-weight:800;border-radius:16px;cursor:pointer;display:flex;align-items:center;gap:12px;margin:0 auto;transition:transform .2s,background .2s}.start-btn:hover,.retry-btn:hover{transform:scale(1.05);background:#f0f0f0}.controls-hint{margin-top:24px;font-size:14px;color:#ffffff4d}.gameover-title{font-size:48px;color:#ff4d4d;margin-bottom:20px}.final-score h3{font-size:72px;margin:10px 0;color:gold}.new-record{color:#4caf50;font-weight:800;margin-bottom:30px;animation:bounce .5s infinite alternate}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin{animation:spin 2s linear infinite}@keyframes bounce{0%{transform:translateY(0)}to{transform:translateY(-5px)}}