:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}:root{--neon-blue:#00f3ff;--neon-pink:#f0f;--neon-green:#39ff14;--neon-red:#f33;--bg-color:#0b0c10}html,body{background-color:var(--bg-color);color:#fff;-webkit-user-select:none;user-select:none;width:100%;height:100%;margin:0;padding:0;font-family:Courier New,Courier,monospace;overflow:hidden}.game-container{background-image:radial-gradient(circle,#1f2833 0%,#0b0c10 100%);position:absolute;inset:0;overflow:hidden}.space-background{z-index:1;position:absolute;inset:0;overflow:hidden}.moving-star{background-color:#fff;border-radius:50%;animation:linear infinite moveStar;position:absolute;top:-10px;box-shadow:0 0 5px #fff}@keyframes moveStar{0%{transform:translateY(-20px)}to{transform:translateY(110vh)}}.hud{z-index:10;justify-content:space-between;align-items:flex-start;display:flex;position:absolute;top:20px;left:20px;right:20px}.hud-stats{text-transform:uppercase;text-shadow:0 0 5px var(--neon-blue);color:var(--neon-blue);flex-direction:column;gap:10px;font-size:24px;display:flex}.quit-btn{color:#fff;border:1px solid var(--neon-red);cursor:pointer;box-shadow:0 0 10px var(--neon-red), inset 0 0 5px var(--neon-red);text-transform:uppercase;background-color:#0000;border-radius:4px;padding:10px 20px;font-family:inherit;font-size:18px;transition:all .2s}.quit-btn:hover{background-color:var(--neon-red);color:#000}.asteroid{flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;transform:translate(-50%)}.rock-svg{margin-bottom:8px;animation:12s linear infinite spinAsteroid}@keyframes spinAsteroid{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.asteroid.targeted .rock-svg .rock-path{stroke:var(--neon-red);stroke-width:3px;filter:drop-shadow(0 0 10px var(--neon-red))}.asteroid.next-target .rock-svg .rock-path{stroke:#fc0;stroke-width:3px;animation:1.2s ease-in-out infinite nextTargetPulseSVG}@keyframes nextTargetPulseSVG{0%,to{filter:drop-shadow(0 0 8px #fc0)}50%{filter:drop-shadow(0 0 20px #fc0)}}.target-arrow{color:#fc0;text-shadow:0 0 8px #fc0;font-size:18px;animation:.8s ease-in-out infinite arrowBounce;position:absolute;top:-22px;left:50%;transform:translate(-50%)}@keyframes arrowBounce{0%,to{transform:translate(-50%)translateY(0)}50%{transform:translate(-50%)translateY(6px)}}.word-en{color:#fff;text-shadow:0 0 8px var(--neon-pink);background:#00000080;border-radius:4px;padding:2px 8px;font-size:22px;font-weight:700}.word-vn{color:#ddd;text-shadow:none;background:#00000080;border-radius:4px;margin-top:2px;padding:2px 8px;font-size:16px}.typed-part{color:var(--neon-green);text-shadow:0 0 8px var(--neon-green)}.focus-hint{color:#fff6;background:#00000080;border-radius:20px;padding:5px 15px;font-size:14px;animation:2s infinite pulse}.device-warning{text-align:center;color:#00f3ff99;pointer-events:none;z-index:30;text-shadow:0 0 5px #00f3ff80;width:100%;font-size:18px;position:absolute;bottom:15px;left:50%;transform:translate(-50%)}@keyframes pulse{}.player-ship{z-index:6;filter:drop-shadow(0 0 8px #00f3ff66)drop-shadow(0 5px 15px #0064ff4d);justify-content:center;align-items:center;animation:3s ease-in-out infinite shipHover;display:flex;position:absolute;bottom:10px;left:50%;transform:translate(-50%)}@keyframes shipHover{0%,to{transform:translate(-50%)translateY(0)}50%{transform:translate(-50%)translateY(-4px)}}.laser{background-color:var(--neon-green);width:4px;box-shadow:0 0 10px var(--neon-green), 0 0 20px var(--neon-green);transform-origin:bottom;z-index:5;animation:.15s linear forwards laserShoot;position:absolute;bottom:60px;transform:translate(-50%)}@keyframes laserShoot{0%{opacity:1}to{opacity:0}}.screen{z-index:20;background-color:#0b0c10d9;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.screen h1{color:var(--neon-blue);text-shadow:0 0 10px var(--neon-blue);margin-bottom:20px;font-size:48px}.leaderboard{border:1px solid var(--neon-blue);box-shadow:0 0 10px var(--neon-blue);text-align:left;background:#0009;border-radius:10px;width:100%;max-width:500px;margin-top:30px;padding:20px}.leaderboard h3{color:var(--neon-pink);text-align:center;margin-bottom:15px;font-size:20px}.leaderboard-tabs{border-bottom:1px solid #333;gap:4px;margin-bottom:15px;padding-bottom:10px;display:flex}.lb-tab{color:#aaa;cursor:pointer;text-transform:uppercase;background:0 0;border:1px solid #444;border-radius:6px;flex:1;padding:8px 4px;font-family:inherit;font-size:14px;transition:all .2s}.lb-tab:hover{color:#fff;border-color:#888}.lb-tab.active{color:#fff;border-color:var(--neon-blue);text-shadow:0 0 5px var(--neon-blue);background:#00f3ff1a;box-shadow:0 0 8px #00f3ff4d}.leaderboard-list{scrollbar-width:thin;scrollbar-color:var(--neon-blue) transparent;max-height:300px;margin:0;padding:0;list-style:none;overflow-y:auto}.leaderboard-list::-webkit-scrollbar{width:6px}.leaderboard-list::-webkit-scrollbar-track{background:0 0}.leaderboard-list::-webkit-scrollbar-thumb{background:var(--neon-blue);border-radius:3px}.leaderboard-list li{border-bottom:1px solid #222;align-items:center;gap:10px;padding:6px 4px;font-size:14px;display:flex}.leaderboard-list li:last-child{border-bottom:none}.leaderboard-list li:first-child .lb-rank{color:gold;text-shadow:0 0 5px gold}.leaderboard-list li:nth-child(2) .lb-rank{color:silver;text-shadow:0 0 5px silver}.leaderboard-list li:nth-child(3) .lb-rank{color:#cd7f32;text-shadow:0 0 5px #cd7f32}.lb-rank{color:#888;min-width:35px;font-weight:700}.lb-name{color:#fff;text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.lb-score{color:var(--neon-green);text-shadow:0 0 5px var(--neon-green);white-space:nowrap}.auth-box{border:1px solid var(--neon-pink);background:#0009;border-radius:10px;flex-direction:column;align-items:center;gap:10px;margin-top:20px;padding:20px;display:flex}.auth-box form{flex-direction:column;gap:10px;width:100%;display:flex}.auth-box input{color:#fff;border:1px solid var(--neon-blue);background:#111;border-radius:5px;outline:none;padding:10px;font-size:16px}.auth-box input:focus{box-shadow:0 0 5px var(--neon-blue)}.toggle-auth{color:#aaa;cursor:pointer;font-size:14px;text-decoration:underline}.toggle-auth:hover{color:#fff}.success{color:var(--neon-green);text-shadow:0 0 5px var(--neon-green)}.error{color:var(--neon-red);text-shadow:0 0 5px var(--neon-red)}.screen p{color:#ccc;margin-bottom:40px;font-size:24px}.btn{color:#fff;border:2px solid var(--neon-pink);cursor:pointer;box-shadow:0 0 10px var(--neon-pink), inset 0 0 10px var(--neon-pink);text-transform:uppercase;background-color:#0000;border-radius:8px;padding:15px 30px;font-family:inherit;font-size:24px;transition:all .2s}.btn:hover{background-color:var(--neon-pink);color:#000;box-shadow:0 0 20px var(--neon-pink), inset 0 0 20px var(--neon-pink)}.mode-selection{flex-direction:column;align-items:center;gap:15px;display:flex}.btn-special{border-color:var(--neon-green);box-shadow:0 0 10px var(--neon-green), inset 0 0 10px var(--neon-green);margin-top:20px}.btn-special:hover{background-color:var(--neon-green);box-shadow:0 0 20px var(--neon-green), inset 0 0 20px var(--neon-green)}