:root{--bg:#0a0a0f;--cyan:#00f0ff;--magenta:#ff2bd6;--green:#39ff14;--yellow:#ffe600;--red:#ff1f3d}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);cursor:none;-webkit-user-select:none;user-select:none;width:100%;height:100%;font-family:Courier New,ui-monospace,monospace;overflow:hidden}#game{width:100%;height:100%;display:block;position:fixed;inset:0}#hud{pointer-events:none;color:var(--cyan);text-transform:uppercase;letter-spacing:.15em;position:fixed;inset:0}.reticle{border:2px solid var(--cyan);width:28px;height:28px;box-shadow:0 0 8px var(--cyan);border-radius:50%;transition:transform 80ms ease-out;position:absolute;transform:translate(-50%,-50%)}.reticle:after{content:"";background:var(--cyan);border-radius:50%;position:absolute;inset:11px}.reticle.kick{transform:translate(-50%,-50%)scale(1.6)}.reticle.empty{border-color:var(--red);box-shadow:0 0 8px var(--red)}.reticle.empty:after{background:var(--red)}.score{text-shadow:0 0 10px var(--cyan);font-size:28px;position:absolute;top:24px;right:32px}.combo{text-shadow:0 0 14px;font-size:44px;font-weight:700;position:absolute;top:24px;left:50%;transform:translate(-50%)}.combo.pulse{animation:.18s ease-out combo-pulse}.combo.shatter{animation:.45s ease-out combo-shatter}@keyframes combo-pulse{0%{transform:translate(-50%)scale(1.35)}to{transform:translate(-50%)scale(1)}}@keyframes combo-shatter{0%{color:var(--red);filter:saturate(0);transform:translate(-50%)scale(2.4)rotate(-6deg)}60%{color:var(--red);filter:saturate(0)}to{filter:saturate();transform:translate(-50%)scale(1)}}.ammo{color:var(--yellow);text-shadow:0 0 8px var(--yellow);font-size:22px;position:absolute;bottom:28px;right:32px}.ammo.empty{color:var(--red);text-shadow:0 0 8px var(--red)}.health{color:var(--green);text-shadow:0 0 8px var(--green);font-size:22px;position:absolute;top:24px;left:32px}.health.low{color:var(--red);text-shadow:0 0 8px var(--red)}.progress{background:#00f0ff26;width:100%;height:3px;position:absolute;bottom:0;left:0}.progress-fill{background:var(--cyan);height:100%;box-shadow:0 0 6px var(--cyan)}.damage-flash{opacity:0;background:radial-gradient(#0000 40%,#ff1f3d8c 100%);position:absolute;inset:0}.damage-flash.on{animation:.35s ease-out damage}@keyframes damage{0%{opacity:1}to{opacity:0}}.end-screen{background:#0a0a0fd1;flex-direction:column;justify-content:center;align-items:center;gap:14px;font-size:22px;display:none;position:absolute;inset:0}.end-screen.on{display:flex}.end-screen h1{text-shadow:0 0 18px var(--cyan);font-size:52px}.end-screen .restart{color:var(--yellow);margin-top:24px;animation:1s step-end infinite blink}@keyframes blink{50%{opacity:.2}}