:root{--font-title:"Barlow", sans-serif;--font-mono:"JetBrains Mono", monospace;--text:#fff;--text-muted:#ffffffb3;--bg:#05070a;--glass-bg:#0a0a1466;--glass-border:#ffffff1a;--accent:#00f0ff;--accent-glow:#00f0ff80;--sans:var(--font-title);--background-color:#0c0c0c;--text-color:#fff;--title-background-color:#000;--widget-color:#222;--hover-color:#333;--focus-color:#00f0ff;--number-color:#00f0ff;--string-color:#00f0ff}body{font-family:var(--sans);color:var(--text);-webkit-user-select:none;user-select:none;background:radial-gradient(circle,#0000 40%,#05070a 100%) 0 0/100% 100%,linear-gradient(#ffffff05 1px,#0000 1px) 0 0/40px 40px,#010205 linear-gradient(90deg,#ffffff05 1px,#0000 1px) 0 0/40px 40px;margin:0;padding:0;overflow:hidden}#app{z-index:-1;pointer-events:none;width:100vw;height:100vh;position:fixed;top:0;left:0}#ui-overlay{pointer-events:none;flex-direction:column;justify-content:space-between;width:100%;height:100%;display:flex;position:absolute;top:0;left:0}.glass{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);box-shadow:0 8px 32px #00000080}.top-bar{pointer-events:auto;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin:0;padding:1rem 2rem;display:flex}.logo-text{letter-spacing:2px;margin:0;font-size:1.5rem}.logo-tzan{font-family:var(--font-title);color:#fff;font-weight:900}.logo-i{font-family:var(--font-title);color:var(--accent);font-style:italic;font-weight:900}.logo-edtech{font-family:var(--font-mono);color:#a0a0a0;margin-left:.5rem;font-size:1.1rem;font-weight:400}.controls{gap:1rem;display:flex}.controls button{color:var(--text-muted);font-family:var(--sans);cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:6px;padding:.5rem 1rem;font-weight:500;transition:all .3s}.controls button:hover{color:var(--text);background:#ffffff1a}.controls button.active{background:var(--accent-glow);border-color:var(--accent);color:var(--text);box-shadow:0 0 15px var(--accent-glow)}.info-panel{-webkit-backdrop-filter:blur(10px);pointer-events:auto;background:#000000b3;border:1px solid #ffffff26;border-radius:2px;width:260px;max-width:calc(100vw - 4rem);padding:1.25rem;position:absolute;bottom:2rem;left:2rem}.info-panel h2{font-size:1.05rem;font-family:var(--font-title);text-transform:uppercase;letter-spacing:.1em;color:#fff;margin:0 0 .5rem;font-weight:900}.info-panel p{color:var(--text-muted);font-size:.75rem;line-height:1.3;font-family:var(--font-mono);margin:0 0 1rem}.metrics{border-top:1px solid #ffffff26;flex-direction:column;gap:1rem;padding-top:1.5rem;display:flex}.metric{justify-content:space-between;align-items:center;margin-bottom:.2rem;display:flex}.metric .label{color:var(--text-muted);font-size:.7rem;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:1px}.metric .value{font-family:var(--font-mono);color:var(--accent);font-size:.95rem;font-weight:700}.bottom-bar{pointer-events:auto;position:absolute;bottom:2rem;right:2rem}.glass-btn{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:var(--text);cursor:pointer;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:1px;background:0 0;border:1px solid #fff3;border-radius:0;padding:.75rem 1.5rem;font-weight:700;transition:all}.glass-btn:hover{color:#000;background:#fff}.lil-gui.root{pointer-events:auto;border:1px solid #ffffff26;display:none;position:absolute;font-family:var(--font-mono)!important;font-size:11px!important;top:auto!important;bottom:5rem!important;right:2rem!important}.lil-gui .slider{background-color:var(--accent)!important}.lil-gui button{color:var(--accent)!important;text-transform:uppercase!important;font-family:var(--font-mono)!important;letter-spacing:1px!important;background:0 0!important;border:1px solid #fff3!important;border-radius:0!important;margin:2px 0!important;padding:6px!important;font-size:10px!important;font-weight:700!important;transition:background,color!important}.lil-gui button:hover{background:var(--accent)!important;color:#000!important;border-color:var(--accent)!important}.lil-gui.root.visible{display:block}@media (width<=768px){.top-bar{flex-direction:column;align-items:flex-start;margin:.5rem;padding:.75rem 1rem}.controls{width:100%}.controls button{width:100%;padding:.75rem;font-size:.9rem}.info-panel{background:#0a0a14d9;width:calc(100vw - 3rem);padding:1rem;bottom:5rem;left:.5rem}.bottom-bar{justify-content:center;display:flex;bottom:1rem;left:1rem;right:1rem}.glass-btn{width:100%;padding:.5rem}.lil-gui.root{bottom:4rem!important;right:1rem!important}}.btn-play{width:100%;color:var(--accent);border:1px solid var(--accent);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.1em;cursor:pointer;background:0 0;border-radius:0;margin-top:1.5rem;padding:.8rem;font-size:.95rem;font-weight:700;transition:background,color}.btn-play:hover{background:var(--accent);color:#000}.btn-play.running{color:#ff003c;background:0 0;border:1px solid #ff003c}.btn-play.running:hover{color:#000;background:#ff003c}