*{margin:0;padding:0;box-sizing:border-box}body{background:#000;overflow:hidden;font-family:Rajdhani,sans-serif;color:#fff;cursor:none;-webkit-user-select:none;user-select:none}canvas{display:block;position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:0}#loading-screen{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0a0a0a,#1a1a2e,#16213e);transition:opacity .6s ease}#loading-screen.fade-out{opacity:0;pointer-events:none}.loading-content{text-align:center}.loading-title{font-family:Orbitron,sans-serif;font-size:3.5rem;font-weight:900;letter-spacing:12px;color:#fff;text-shadow:0 0 30px rgba(0,200,255,.5),0 0 60px rgba(0,200,255,.2);margin-bottom:.5rem;animation:titlePulse 2s ease-in-out infinite}.loading-subtitle{font-size:1.1rem;letter-spacing:6px;color:#8ce;margin-bottom:2rem}@keyframes titlePulse{0%,to{text-shadow:0 0 30px rgba(0,200,255,.5),0 0 60px rgba(0,200,255,.2)}50%{text-shadow:0 0 40px rgba(0,200,255,.8),0 0 80px rgba(0,200,255,.4)}}.loading-bar-container{width:400px;height:4px;background:#ffffff1a;border-radius:2px;overflow:hidden;margin:0 auto 1rem}.loading-bar{width:0%;height:100%;background:linear-gradient(90deg,#00c8ff,#08f);border-radius:2px;transition:width .3s ease;box-shadow:0 0 10px #00c8ff99}.loading-status{font-size:.85rem;color:#667;letter-spacing:2px}#start-screen{position:fixed;inset:0;z-index:900;display:flex;align-items:center;justify-content:center;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);cursor:default}.start-content{text-align:center}.start-title{font-family:Orbitron,sans-serif;font-size:4rem;font-weight:900;letter-spacing:14px;color:#fff;text-shadow:0 0 40px rgba(255,120,0,.5);margin-bottom:.3rem}.start-subtitle{font-size:1.6rem;letter-spacing:10px;color:#f84;margin-bottom:2.5rem}.start-modes{display:flex;gap:1.5rem;justify-content:center;margin-bottom:2rem}.mode-btn{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:24px 36px;min-width:220px;background:#ffffff0a;border:1px solid rgba(255,255,255,.12);border-radius:10px;cursor:pointer;transition:all .25s ease;font-family:Rajdhani,sans-serif;color:#fff}.mode-btn:hover{background:#ff78001f;border-color:#ff780080;transform:translateY(-4px);box-shadow:0 8px 30px #ff780033}.mode-icon{font-size:2.4rem}.mode-name{font-family:Orbitron,sans-serif;font-size:1rem;font-weight:700;letter-spacing:3px}.mode-desc{font-size:.75rem;color:#889;letter-spacing:1px}.controls-info{display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;justify-content:center;max-width:500px;margin:0 auto}.controls-info span{font-size:.8rem;color:#aab;letter-spacing:1px;background:#ffffff0f;padding:4px 10px;border-radius:3px;border:1px solid rgba(255,255,255,.08)}#hud{position:fixed;inset:0;z-index:100;pointer-events:none}#hud-crosshair{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.crosshair-dot{width:3px;height:3px;background:#ffffffe6;border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.crosshair-line{position:absolute;background:#ffffffb3}.crosshair-top,.crosshair-bottom{width:2px;height:8px;left:50%;transform:translate(-50%)}.crosshair-top{bottom:8px}.crosshair-bottom{top:8px}.crosshair-left,.crosshair-right{width:8px;height:2px;top:50%;transform:translateY(-50%)}.crosshair-left{right:8px}.crosshair-right{left:8px}#hud-health{position:absolute;bottom:30px;left:30px;display:flex;align-items:center;gap:10px}.hud-health-bar{width:200px;height:6px;background:#ffffff1a;border-radius:3px;overflow:hidden;border:1px solid rgba(255,255,255,.15)}.hud-health-fill{width:100%;height:100%;background:linear-gradient(90deg,#0f8,#0c6);border-radius:3px;transition:width .3s ease,background .3s ease}.hud-health-text{font-family:Orbitron,sans-serif;font-size:1.3rem;font-weight:700;color:#fff;text-shadow:0 0 10px rgba(0,255,136,.5);min-width:40px}#hud-ammo{position:absolute;bottom:20px;right:30px;text-align:right}.hud-ammo-mag{font-family:Orbitron,sans-serif;font-size:2.2rem;font-weight:900;color:#fff;display:inline;text-shadow:0 0 10px rgba(255,255,255,.3)}.hud-ammo-sep{font-size:1.5rem;color:#555;display:inline;margin:0 4px}.hud-ammo-reserve{font-family:Orbitron,sans-serif;font-size:1.2rem;font-weight:400;color:#888;display:inline}.hud-weapon-name{font-size:.75rem;letter-spacing:3px;color:#667;margin-top:2px;text-transform:uppercase}.hud-reload{font-size:.7rem;letter-spacing:3px;color:#fa0;margin-top:6px}.hud-reload-bar{width:0%;height:3px;background:#fa0;border-radius:2px;margin-bottom:3px;transition:width .1s linear}#hud-killfeed{position:absolute;top:20px;right:20px;display:flex;flex-direction:column;gap:4px;max-width:300px}.killfeed-entry{font-size:.75rem;padding:4px 10px;background:#0009;border-radius:3px;white-space:nowrap;opacity:0;transform:translate(20px);transition:opacity .3s,transform .3s}.killfeed-entry.visible{opacity:1;transform:translate(0)}.kf-killer{color:#f66}.kf-weapon{color:#888;font-size:.65rem}.kf-victim{color:#6af}#hud-hit-marker{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:20px;height:20px}.hit-line{position:absolute;width:8px;height:2px;background:#fff}.hit-tl{top:0;left:0;transform:rotate(-45deg)}.hit-tr{top:0;right:0;transform:rotate(45deg)}.hit-bl{bottom:0;left:0;transform:rotate(45deg)}.hit-br{bottom:0;right:0;transform:rotate(-45deg)}#hud-hit-marker.active{animation:hitFlash .15s ease-out}@keyframes hitFlash{0%{transform:translate(-50%,-50%) scale(1.5);opacity:1}to{transform:translate(-50%,-50%) scale(1);opacity:.8}}#hud-damage-vignette{position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .15s ease-out;background:radial-gradient(ellipse at center,transparent 50%,rgba(200,0,0,.5) 100%)}#hud-weapon-slots{position:absolute;bottom:70px;right:30px;display:flex;gap:4px}.weapon-slot{width:28px;height:28px;display:flex;align-items:center;justify-content:center;font-family:Orbitron,sans-serif;font-size:.65rem;font-weight:700;color:#555;background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:4px;transition:all .15s ease}.weapon-slot.active{color:#fff;background:#ff780033;border-color:#ff780080;box-shadow:0 0 8px #ff78004d}#hud-scoreboard{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#000000d9;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:20px 30px;min-width:400px;pointer-events:auto}#hud-scoreboard h2{font-family:Orbitron,sans-serif;font-size:1rem;letter-spacing:6px;color:#f84;text-align:center;margin-bottom:15px}#scoreboard-table{width:100%;border-collapse:collapse}#scoreboard-table th{font-size:.7rem;letter-spacing:2px;color:#667;text-align:left;padding:6px 10px;border-bottom:1px solid rgba(255,255,255,.1)}#scoreboard-table td{font-size:.85rem;padding:6px 10px;border-bottom:1px solid rgba(255,255,255,.04)}#hud-message{position:absolute;top:35%;left:50%;transform:translate(-50%);font-family:Orbitron,sans-serif;font-size:1.8rem;font-weight:700;letter-spacing:6px;color:#fff;text-shadow:0 0 20px rgba(255,120,0,.7);text-align:center;opacity:0;transition:opacity .3s ease;pointer-events:none}