:root{--neon-green: #00ff41;--neon-blue: #00d4ff;--neon-pink: #ff0080;--neon-purple: #8000ff;--dark-bg: #0a0a0a;--darker-bg: #050505;--retro-font: "Press Start 2P", cursive}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;margin:0;padding:0;overflow:hidden}body{font-family:var(--retro-font);background:linear-gradient(45deg,var(--dark-bg),var(--darker-bg));color:var(--neon-green);line-height:1.4}#root{height:100vh;width:100vw;display:flex;flex-direction:column}.game-container{display:grid;grid-template-columns:1.2fr .8fr;grid-template-rows:1fr;gap:18px;height:100vh;width:100vw;position:relative;padding:16px;background:radial-gradient(ellipse at top,rgba(0,20,40,.3) 0%,transparent 50%),radial-gradient(ellipse at bottom,rgba(20,0,40,.3) 0%,transparent 50%),linear-gradient(180deg,#000509,#012,#000509)}.game-canvas-container{position:relative;border:3px solid var(--neon-green);border-radius:12px;background:radial-gradient(circle at 15% 15%,rgba(0,255,65,.08) 0%,transparent 50%),radial-gradient(circle at 85% 85%,rgba(0,212,255,.08) 0%,transparent 50%),linear-gradient(45deg,#000000b3,#001428b3);box-shadow:0 0 24px #00ff4122,inset 0 0 20px #00000080;overflow:hidden}.game-canvas-container:before{content:"";position:absolute;inset:0;background-image:url(/assets/starfield_bg.svg);background-size:cover;background-position:center;opacity:.45;z-index:0}.game-canvas-container canvas{position:relative;z-index:1}.game-sidebar{display:grid;grid-template-rows:minmax(360px,1fr) auto auto;gap:12px;background:linear-gradient(135deg,#001e3cd9,#1e003cd9);border:2px solid var(--neon-blue);border-radius:12px;padding:14px;box-shadow:0 0 24px #00d4ff22,inset 0 0 20px #00000059;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);overflow:hidden}.game-hud{position:absolute;top:20px;left:20px;right:20px;z-index:100;display:flex;justify-content:space-between;align-items:flex-start;pointer-events:none}.hud-left,.hud-right{background:linear-gradient(135deg,#000000e6,#001428e6);padding:15px 20px;border:2px solid var(--neon-green);border-radius:8px;font-size:12px;line-height:1.6;box-shadow:0 0 20px var(--neon-green) 40,inset 0 0 10px #00ff411a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.hud-center{background:linear-gradient(135deg,#000c,#140028cc);padding:10px 25px;border:2px solid var(--neon-blue);border-radius:20px;text-align:center;box-shadow:0 0 15px var(--neon-blue) 40,inset 0 0 10px #00d4ff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.score-display{color:var(--neon-green);text-shadow:0 0 10px var(--neon-green);font-weight:700}.wave-display{color:var(--neon-blue);text-shadow:0 0 10px var(--neon-blue);font-size:14px;font-weight:700}.lives-display{color:var(--neon-purple);text-shadow:0 0 10px var(--neon-purple)}.connection-status{font-size:10px;margin-top:5px;opacity:.8}.connection-status.online{color:var(--neon-green)}.connection-status.offline{color:#ff6b6b}.wave-display{color:var(--neon-blue);text-shadow:0 0 10px var(--neon-blue)}.lives-display{color:var(--neon-pink);text-shadow:0 0 10px var(--neon-pink)}.test-console{background:linear-gradient(135deg,#000000e6,#001e00e6);border:2px solid var(--neon-green);border-radius:10px;padding:14px;margin:0;min-height:320px;max-height:unset;overflow:hidden;font-family:Courier New,monospace;font-size:12px;line-height:1.5;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);box-shadow:0 0 14px #00ff4133,inset 0 0 12px #00ff4114;transition:all .3s ease;position:relative}.test-console:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--neon-green),transparent);animation:scanline 2s linear infinite}@keyframes scanline{0%{transform:translate(-100%)}to{transform:translate(100%)}}.test-console h3{color:var(--neon-green);font-size:16px;margin:0 0 8px;text-align:left;font-family:var(--retro-font);text-shadow:0 0 12px var(--neon-green);padding-bottom:8px;border-bottom:1px dashed #00ff4122}.test-output{color:#0f0;white-space:pre-wrap;word-break:break-word;margin:6px 0;padding:12px 15px;border-radius:6px;background:linear-gradient(90deg,#0009,#00140059,#0009);border-left:4px solid transparent;animation:fadeInUp .4s ease-out;position:relative;font-size:12px;line-height:1.6}.test-output:before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,transparent,var(--neon-green),transparent);opacity:.5}.test-failure{color:#ff6b6b;border-left-color:#f44;text-shadow:0 0 8px #ff444440;background:linear-gradient(90deg,#ff44441a,#ff44440d,#ff44441a)}.test-failure:before{background:linear-gradient(to bottom,transparent,#ff4444,transparent)}.test-success{color:#00ff41;border-left-color:#00ff41;text-shadow:0 0 8px #00ff4140;background:linear-gradient(90deg,#00ff411a,#00ff410d,#00ff411a)}.test-success:before{background:linear-gradient(to bottom,transparent,#00ff41,transparent)}.test-warning{color:#fc5;border-left-color:#fa4;background:linear-gradient(90deg,#ffaa441f,#ffaa440f,#ffaa441f)}.test-warning:before{background:linear-gradient(to bottom,transparent,#ffaa44,transparent)}.leaderboard{border:2px solid var(--neon-blue);border-radius:4px;padding:15px;height:50%;overflow-y:auto}.leaderboard h3{color:var(--neon-blue);font-size:12px;margin-bottom:15px;text-align:center;text-shadow:0 0 10px var(--neon-blue)}.bug-board{background:linear-gradient(135deg,#8000ff1a,#ff00801a);border:2px solid var(--neon-purple);border-radius:8px;padding:20px;box-shadow:0 0 20px var(--neon-purple) 40,inset 0 0 15px #8000ff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.bug-board h3{color:var(--neon-purple);font-size:14px;margin:0 0 15px;text-align:center;text-shadow:0 0 10px var(--neon-purple);font-family:var(--retro-font);padding-bottom:10px;border-bottom:1px solid var(--neon-purple) 40}.bug-stats{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-bottom:20px}.stat-item{text-align:center;padding:12px;background:#0000004d;border-radius:6px;border:1px solid rgba(255,255,255,.1)}.stat-value{color:var(--neon-purple);font-size:18px;font-weight:700;text-shadow:0 0 8px var(--neon-purple)}.stat-label{color:#ccc;font-size:10px;margin-top:5px;opacity:.8}.bug-list{max-height:120px;overflow-y:auto}.bug-item{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;margin:5px 0;background:#0006;border-radius:4px;border-left:3px solid var(--neon-purple);font-size:10px;transition:all .3s ease}.bug-item:hover{background:#8000ff1a;transform:translate(5px)}.bug-name{color:#fff;font-weight:700}.bug-points{color:var(--neon-green);font-size:9px}.bug-board h3{color:var(--neon-purple);font-size:12px;margin-bottom:15px;text-align:center;text-shadow:0 0 10px var(--neon-purple)}.leaderboard-entry{display:flex;justify-content:space-between;margin-bottom:8px;font-size:10px;padding:5px;border-bottom:1px solid rgba(0,212,255,.3)}.leaderboard-rank{color:var(--neon-purple);min-width:30px}.leaderboard-name{color:var(--neon-green);flex:1;margin:0 10px;overflow:hidden;text-overflow:ellipsis}.leaderboard-score{color:var(--neon-blue);min-width:60px;text-align:right}.controls-info{position:absolute;bottom:10px;left:10px;background:#000c;padding:10px;border:2px solid var(--neon-purple);font-size:10px;color:var(--neon-purple)}.game-over-screen,.start-screen{position:absolute;inset:0;background:#000000e6;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:1000;text-align:center}.game-title{font-size:24px;color:var(--neon-green);text-shadow:0 0 20px var(--neon-green);margin-bottom:30px;animation:glow 2s ease-in-out infinite alternate}@keyframes glow{0%{text-shadow:0 0 20px var(--neon-green)}to{text-shadow:0 0 30px var(--neon-green),0 0 40px var(--neon-green)}}.game-subtitle{font-size:12px;color:var(--neon-blue);margin-bottom:30px;max-width:500px;line-height:1.6}.input-field{background:var(--dark-bg);border:2px solid var(--neon-green);color:var(--neon-green);font-family:var(--retro-font);font-size:14px;padding:10px 15px;margin:10px;min-width:200px;text-align:center}.input-field:focus{outline:none;box-shadow:0 0 15px var(--neon-green)}.btn{background:transparent;border:2px solid var(--neon-green);color:var(--neon-green);font-family:var(--retro-font);font-size:12px;padding:12px 20px;cursor:pointer;margin:10px;transition:all .3s ease}.btn:hover{background:var(--neon-green);color:var(--dark-bg);box-shadow:0 0 20px var(--neon-green);transform:scale(1.05)}.btn:active{transform:scale(.95)}.final-score{font-size:16px;color:var(--neon-pink);margin:20px 0;text-shadow:0 0 15px var(--neon-pink)}@media (max-width: 768px){.game-container{grid-template-columns:1fr;grid-template-rows:1fr auto;gap:10px;padding:10px}.game-sidebar{grid-template-rows:auto auto auto;grid-template-columns:1fr;gap:10px;padding:15px;max-height:300px;overflow-y:auto}.test-console{min-height:150px;max-height:200px;font-size:10px;padding:15px}.test-console h3{font-size:12px;margin-bottom:10px}.test-output{padding:10px;margin:6px 0;font-size:10px}.bug-board{padding:15px}.bug-stats{grid-template-columns:1fr 1fr 1fr;gap:10px}.stat-item{padding:8px}.stat-value{font-size:16px}.game-hud{position:relative;top:0;left:0;right:0;margin:10px 0;flex-direction:column;gap:10px;align-items:center}.hud-left,.hud-right,.hud-center{padding:10px 15px;font-size:11px}.mobile-controls{display:flex;justify-content:center;gap:20px;margin-top:20px}.mobile-controls button{padding:15px 20px;font-size:14px;border-radius:8px;min-width:80px}.game-title{font-size:18px}.game-subtitle{font-size:10px}.controls-info{display:none}}@media (max-width: 480px){.game-title{font-size:16px}.input-field,.btn{font-size:10px;padding:8px 12px}.test-console,.leaderboard{font-size:8px}}@keyframes slideIn{0%{opacity:0;transform:translate(-50%,-60%);scale:.8}to{opacity:1;transform:translate(-50%,-50%);scale:1}}@keyframes pulse{0%,to{box-shadow:0 0 20px var(--neon-green)}50%{box-shadow:0 0 40px var(--neon-green),0 0 60px var(--neon-green)}}.game-settings-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;justify-content:center;align-items:center;z-index:3000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.game-settings{background:linear-gradient(135deg,#001428f2,#140028f2);border:2px solid var(--neon-blue);border-radius:12px;padding:20px;max-width:500px;max-height:80vh;overflow-y:auto;box-shadow:0 0 40px var(--neon-blue) 44;animation:slideIn .3s ease-out}.settings-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;border-bottom:1px solid var(--neon-blue) 44;padding-bottom:15px}.settings-header h2{color:var(--neon-blue);margin:0;font-size:20px;text-shadow:0 0 10px var(--neon-blue)}.settings-content{color:#fff}.setting-section{margin-bottom:25px;padding:15px;background:#0000004d;border-radius:8px;border:1px solid rgba(255,255,255,.1)}.setting-section h3{color:var(--neon-green);margin:0 0 15px;font-size:14px;text-shadow:0 0 8px var(--neon-green)}.setting-item{margin-bottom:15px;display:flex;flex-direction:column;gap:5px}.setting-item label{color:#ccc;font-size:12px;font-weight:700}.setting-item select{background:#000000b3;border:1px solid var(--neon-blue);border-radius:4px;padding:8px;color:#fff;font-size:11px}.setting-item select:focus{outline:none;border-color:var(--neon-green);box-shadow:0 0 5px var(--neon-green)}.checkbox-group{display:flex;flex-direction:column;gap:8px;margin-top:5px}.checkbox-group label{display:flex;align-items:center;gap:8px;font-size:11px;cursor:pointer}.checkbox-group input[type=checkbox]{accent-color:var(--neon-green)}.settings-footer{margin-top:20px;border-top:1px solid var(--neon-blue) 44;padding-top:15px}.learning-tip{background:#ffaa441a;border:1px solid #ffaa44;border-radius:6px;padding:10px;margin-bottom:15px;font-size:11px;color:#fa4}.settings-buttons{display:flex;gap:10px;justify-content:flex-end}.settings-buttons button{padding:10px 20px;border-radius:6px;font-size:12px;cursor:pointer;border:2px solid;background:none;transition:all .3s ease}.cancel-btn{color:#ff6b6b;border-color:#ff6b6b}.cancel-btn:hover{background:#ff6b6b;color:#000;box-shadow:0 0 15px #ff6b6b}.apply-btn{color:var(--neon-green);border-color:var(--neon-green)}.apply-btn:hover{background:var(--neon-green);color:#000;box-shadow:0 0 15px var(--neon-green)}.close-btn{background:none;border:none;color:#ff6b6b;font-size:24px;cursor:pointer;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .3s ease}.close-btn:hover{background:#ff6b6b;color:#000;box-shadow:0 0 10px #ff6b6b}.debug-modal-overlay{position:fixed;inset:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:4000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.debug-modal{width:min(1000px,92vw);max-height:88vh;overflow:hidden;background:linear-gradient(135deg,#001e3cf2,#1e003cf2);border:2px solid var(--neon-blue);border-radius:12px;box-shadow:0 0 40px var(--neon-blue) 44;display:flex;flex-direction:column;animation:slideIn .25s ease-out}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:2px solid var(--neon-blue) 44}.modal-header h2{margin:0;font-size:16px;color:var(--neon-blue)}.modal-content{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:16px;overflow-y:auto}.buggy-code-block,.failing-test-block,.ghost-diff{background:#0009;border:1px solid var(--neon-blue);border-radius:8px;padding:10px;font-family:Courier New,monospace;font-size:11px;color:#ccf7ff;white-space:pre-wrap}.hints-section ul{margin:8px 0 0;padding-left:16px}.hint-bullet{color:var(--neon-green);margin:4px 0}.hint-bullet.retry{color:#fc6}.editor-section{grid-column:1 / -1}.debug-editor{width:100%;min-height:220px;background:#0b0b0f;color:#e5ffe8;border:1px solid var(--neon-green);border-radius:8px;padding:10px;font-family:Courier New,monospace;font-size:12px}.modal-footer{display:flex;align-items:center;gap:12px;padding:12px 16px;border-top:2px solid var(--neon-blue) 44}.test-progress-bar{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--neon-blue)}.progress-spinner{width:14px;height:14px;border:2px solid var(--neon-blue);border-top-color:transparent;border-radius:50%;animation:spin .9s linear infinite}.test-success{color:var(--neon-green);font-size:12px;margin-left:auto}.test-failure{color:#ff6b6b;font-size:12px;margin-left:auto}@keyframes spin{to{transform:rotate(360deg)}}@keyframes bugKillCelebration{0%{transform:scale(1);filter:brightness(1)}25%{transform:scale(1.2);filter:brightness(1.5) hue-rotate(90deg)}50%{transform:scale(1.1) rotate(5deg);filter:brightness(1.3) hue-rotate(180deg)}75%{transform:scale(1.15) rotate(-3deg);filter:brightness(1.4) hue-rotate(270deg)}to{transform:scale(1);filter:brightness(1)}}@keyframes bugFloat{0%,to{transform:translateY(0) rotate(0)}33%{transform:translateY(-3px) rotate(1deg)}66%{transform:translateY(-1px) rotate(-1deg)}}.loading{display:inline-block;position:relative}.loading:after{content:"...";animation:dots 1.5s steps(4,end) infinite}@keyframes dots{0%,20%{content:"."}40%{content:".."}60%{content:"..."}80%,to{content:""}}.bug-name{animation:glitch .3s infinite}@keyframes glitch{0%{transform:translate(0)}20%{transform:translate(-2px,2px)}40%{transform:translate(-2px,-2px)}60%{transform:translate(2px,2px)}80%{transform:translate(2px,-2px)}to{transform:translate(0)}}.learning-analytics-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000d9;display:flex;justify-content:center;align-items:center;z-index:3500;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.learning-analytics{background:linear-gradient(135deg,#001e3cf2,#1e003cf2);border:2px solid var(--neon-purple);border-radius:12px;padding:25px;max-width:700px;max-height:85vh;overflow-y:auto;box-shadow:0 0 50px var(--neon-purple) 44;animation:slideIn .4s ease-out}.analytics-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px;border-bottom:2px solid var(--neon-purple) 44;padding-bottom:20px}.analytics-header h2{color:var(--neon-purple);margin:0;font-size:22px;text-shadow:0 0 15px var(--neon-purple)}.overall-stats{display:flex;gap:15px;margin-bottom:20px}.stat-card{flex:1;padding:15px;border-radius:8px;text-align:center;border:2px solid}.stat-card.primary{background:#00ff411a;border-color:var(--neon-green)}.stat-value{font-size:24px;font-weight:700;margin-bottom:5px}.stat-label{font-size:11px;opacity:.8}