:root{--primary: #00ff41;--secondary: #008f11;--accent: #ff3e3e;--bg-dark: #000500;--glass: rgba(0, 50, 0, .2);--glass-border: rgba(0, 255, 65, .2);--text: #d0ffd0;--font-main: "Rajdhani", sans-serif;--font-header: "Orbitron", sans-serif}*{box-sizing:border-box;margin:0;padding:0;-webkit-user-select:none;user-select:none}body{background-color:var(--bg-dark);color:var(--text);font-family:var(--font-main);overflow:hidden;height:100vh;width:100vw;display:flex;justify-content:center;align-items:center}.hidden{display:none!important}#splash-screen{position:fixed;top:0;left:0;width:100%;height:100%;background:url(/splash.png) no-repeat center center;background-size:cover;display:flex;justify-content:center;align-items:center;z-index:1000;transition:opacity 1s ease-out,visibility 1s}#splash-screen.hidden{opacity:0;visibility:hidden}#splash-screen:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle,#00050066,#000500e6)}.splash-content{position:relative;z-index:1001;text-align:center;display:flex;flex-direction:column;align-items:center;gap:2rem}.splash-content h1{font-family:var(--font-header);font-size:5rem;color:var(--primary);text-shadow:0 0 30px var(--primary);letter-spacing:15px;animation:flicker 2s infinite}.splash-content h2{font-family:var(--font-header);font-size:1.5rem;color:var(--text);letter-spacing:8px;opacity:.8}@keyframes flicker{0%,18%,22%,25%,53%,57%,to{opacity:1}20%,24%,55%{opacity:.3}}.loading-bar{width:300px;height:4px;background:var(--glass);border:1px solid var(--glass-border);border-radius:2px;overflow:hidden}.loading-progress{width:0%;height:100%;background:var(--primary);box-shadow:0 0 10px var(--primary);animation:load 3s forwards cubic-bezier(.445,.05,.55,.95)}@keyframes load{0%{width:0%}to{width:100%}}#start-btn{padding:1.2rem 3rem;font-family:var(--font-header);font-size:1.2rem;background:transparent;color:var(--primary);border:1px solid var(--primary);cursor:pointer;transition:all .3s ease;letter-spacing:4px;position:relative;overflow:hidden;opacity:0;animation:fadeIn 1s forwards 3s}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}#start-btn:hover{background:var(--primary);color:#000;box-shadow:0 0 30px var(--primary)}.splash-hint{font-size:.8rem;color:var(--primary);opacity:.5;letter-spacing:2px;animation:pulse 2s infinite}.version-tag{font-family:var(--font-header);font-size:.7rem;color:var(--primary);opacity:.6;letter-spacing:1px;position:absolute;bottom:1.5rem;right:1.5rem;z-index:1002;pointer-events:none}#leaderboard{width:300px;max-height:150px;border-top:1px solid var(--glass-border);padding-top:1rem;overflow:hidden;opacity:0;animation:fadeIn 1s forwards 3.5s}#leaderboard h3{font-family:var(--font-header);font-size:.8rem;color:var(--primary);letter-spacing:3px;margin-bottom:.5rem}#leaderboard-scroll{height:100px;overflow:hidden;position:relative}#leaderboard-content{display:flex;flex-direction:column;gap:.5rem;animation:scrollUp 10s linear infinite}.leaderboard-entry{display:flex;justify-content:space-between;font-size:.8rem;font-family:var(--font-header);color:var(--text);border-bottom:1px solid rgba(0,255,65,.1);padding-bottom:2px}.entry-name{color:var(--text)}.entry-score{color:var(--primary);font-weight:700}@keyframes scrollUp{0%{transform:translateY(0)}to{transform:translateY(-100%)}}#leaderboard-scroll:hover #leaderboard-content{animation-play-state:paused}#name-input-overlay,#game-over-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:200;pointer-events:auto}#name-input-overlay.hidden,#game-over-overlay.hidden{display:none}.input-group{margin-bottom:1.5rem}#player-name{background:var(--bg-dark);border:1px solid var(--primary);color:var(--primary);font-family:var(--font-header);padding:.8rem;width:100%;text-align:center;outline:none;font-size:1rem}#player-name:focus{box-shadow:0 0 15px var(--primary)}.scanlines{position:relative;overflow:hidden}.scanlines:after{content:" ";display:block;position:absolute;inset:0;background:linear-gradient(#12101000 50%,#0000001a 50%),linear-gradient(90deg,#ff00000d,#00ff0005,#0000ff0d);z-index:2;background-size:100% 4px,3px 100%;pointer-events:none;opacity:.3}#ui-overlay{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;pointer-events:none;opacity:0;transition:opacity 1s ease-in}#ui-overlay.visible{opacity:1;pointer-events:auto}#top-bar{display:flex;justify-content:space-around;padding:1rem;background:linear-gradient(to bottom,rgba(0,0,0,.8),transparent);pointer-events:auto}.stat-item{display:flex;flex-direction:column;align-items:center}.stat-item .label{font-family:var(--font-header);font-size:.7rem;color:var(--primary);letter-spacing:2px}.stat-item .value{font-size:1.5rem;font-weight:700;color:var(--primary);text-shadow:0 0 10px rgba(0,255,65,.5)}#volume-slider{width:100px;height:4px;background:var(--glass);border-radius:2px;outline:none;cursor:pointer;accent-color:var(--primary);margin-top:.5rem}#speed-control{display:flex;flex-direction:column;align-items:center;gap:.3rem}.controls-row{display:flex;gap:.5rem}.pause-btn.active{background:#ff3e3e33;border-color:var(--accent);box-shadow:0 0 15px #ff3e3e4d}.pause-btn.active .label,.pause-btn.active .speed-icon{color:var(--accent)}.speed-hint{font-size:.6rem;opacity:.5;color:var(--primary);letter-spacing:1px}.speed-btn{padding:.5rem 1rem;background:var(--glass);border:1px solid var(--glass-border);border-radius:4px;cursor:pointer;transition:all .3s ease;min-width:100px;display:flex;justify-content:center}.speed-btn:hover{background:#ffffff1a;border-color:var(--primary);box-shadow:0 0 10px #00f2ff33}.quit-btn:hover{border-color:var(--accent);box-shadow:0 0 10px #ff3e3e33}.quit-btn:hover .label,.quit-btn:hover .speed-icon{color:var(--accent)}.speed-btn .label{font-family:var(--font-header);font-size:.8rem;color:var(--primary);letter-spacing:1px}.speed-icon{margin-right:.5rem;font-size:.9rem;opacity:.8}#game-container{flex:1;display:flex;justify-content:center;align-items:center;position:relative;overflow:hidden}#game-canvas{max-width:100%;max-height:100%;box-shadow:0 0 50px #00f2ff1a;background:#08081a;cursor:crosshair;pointer-events:auto;z-index:1}#game-container:after{content:" ";display:block;position:absolute;inset:0;background:linear-gradient(#12101000 50%,#0000001a 50%),linear-gradient(90deg,#ff000005,#00ff0003,#0000ff05);z-index:2;background-size:100% 4px,3px 100%;pointer-events:none}#bottom-bar{padding:2rem;display:flex;justify-content:center;background:linear-gradient(to top,rgba(0,0,0,.8),transparent);pointer-events:auto}.toolbar{display:flex;gap:1rem;padding:.5rem 1rem;background:var(--glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:100px;box-shadow:0 10px 30px #00f2ff1a}.tower-btn{display:flex;flex-direction:column;align-items:center;cursor:pointer;transition:all .3s ease;padding:1rem 1.5rem;border-radius:20px;opacity:.7;min-width:120px}.tower-btn:hover{opacity:1;transform:translateY(-5px);background:#ffffff1a}.tower-btn.disabled{opacity:.3;filter:grayscale(1);pointer-events:none;cursor:not-allowed}.tower-btn.active{opacity:1;background:#00f2ff33;border:1px solid var(--primary);box-shadow:0 0 15px #00f2ff4d}.tower-icon{font-size:1.5rem;margin-bottom:.2rem}#btn-basic .tower-icon{color:#00ff41}#btn-fast .tower-icon{color:#bf00ff}#btn-heavy .tower-icon{color:red}#btn-firewall .tower-icon{color:#4a4e69}#btn-jammer .tower-icon{color:gold}#btn-ram .tower-icon{color:#00d2ff}.tower-name{font-size:.8rem;font-weight:600}.tower-cost{font-size:.7rem;color:var(--primary)}#message-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#000c;padding:2rem 4rem;border-top:2px solid var(--primary);border-bottom:2px solid var(--primary);z-index:100;transition:opacity .5s ease;pointer-events:auto}#message-overlay.hidden{opacity:0;pointer-events:none}#message-text{font-family:var(--font-header);font-size:2.5rem;letter-spacing:5px;color:var(--primary);text-shadow:0 0 20px var(--primary)}@keyframes pulse{0%{opacity:.4}50%{opacity:1}to{opacity:.4}}.pulse{animation:pulse 2s infinite}#selection-overlay{position:absolute;bottom:120px;left:50%;transform:translate(-50%);z-index:150;transition:all .4s cubic-bezier(.175,.885,.32,1.275);pointer-events:none}#selection-overlay.hidden{bottom:0;opacity:0;visibility:hidden}.selection-card{background:#0a0a1ef2;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border:1px solid var(--primary);border-radius:12px;padding:1.5rem;box-shadow:0 0 30px #00f2ff33;min-width:300px;text-align:center;pointer-events:auto}.selection-card h3{font-family:var(--font-header);color:var(--primary);margin-bottom:.5rem;letter-spacing:2px}.selection-card p{font-size:.9rem;opacity:.8;margin-bottom:1.5rem}.selection-actions{display:flex;gap:1rem;justify-content:center}.selection-card button{padding:.8rem 1.2rem;border-radius:6px;font-family:var(--font-header);font-size:.7rem;cursor:pointer;transition:all .2s ease;border:1px solid transparent}.confirm-btn{background:var(--primary);color:#000;font-weight:700}.confirm-btn:hover{background:#fff;box-shadow:0 0 20px var(--primary)}.upgrade-btn{background:#bf00ff;color:#fff;font-weight:700}.upgrade-btn:hover{background:#df44ff;box-shadow:0 0 20px #bf00ff}.upgrade-btn.disabled{background:#444;color:#888;pointer-events:none;border-color:#555;box-shadow:none}.close-btn{background:var(--glass);color:#fff;border-color:var(--glass-border)!important}.close-btn:hover{background:#f003;border-color:#ff007a!important}#manual-overlay{position:fixed;top:0;left:0;width:100%;height:100vh;background:#000000e6;display:flex;justify-content:center;align-items:center;z-index:2000;pointer-events:auto}.manual-card{background:#08081a;border:1px solid var(--primary);width:90%;max-width:800px;max-height:80vh;display:flex;flex-direction:column;box-shadow:0 0 50px #00ff4133;border-radius:8px;overflow:hidden}.manual-header{padding:2rem;background:#00ff411a;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--glass-border)}.manual-header h2{font-family:var(--font-header);font-size:1.5rem;color:var(--primary);letter-spacing:5px}.manual-content{padding:2rem;overflow-y:auto;display:flex;flex-direction:column;gap:2rem;scrollbar-width:thin;scrollbar-color:var(--primary) transparent}.manual-content section h3{font-family:var(--font-header);font-size:1.1rem;color:var(--primary);margin-bottom:.8rem;letter-spacing:2px}.manual-content section p{line-height:1.6;opacity:.8;font-size:.95rem}.manual-content ul{list-style:none;display:flex;flex-direction:column;gap:.8rem}.manual-content li b{color:var(--primary)}.splash-secondary-btn{padding:.8rem 2rem;font-family:var(--font-header);font-size:.9rem;background:var(--glass);color:var(--text);border:1px solid var(--glass-border);cursor:pointer;transition:all .3s ease;letter-spacing:2px;opacity:0;animation:fadeIn 1s forwards 3.2s}.splash-secondary-btn:hover{background:#00ff4133;color:var(--primary);border-color:var(--primary)}.manual-btn:hover{border-color:#00d2ff;box-shadow:0 0 10px #00d2ff33}.manual-btn:hover .label,.manual-btn:hover .speed-icon{color:#00d2ff}