@import"https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap";*{margin:0;padding:0;box-sizing:border-box}body{background-color:#000;color:#fff;font-family:Space Mono,monospace;overflow:hidden;width:100vw;height:100vh;-webkit-user-select:none;user-select:none}canvas{display:block;width:100%;height:100%;cursor:crosshair}#ui{position:absolute;top:20px;left:20px;display:flex;flex-direction:column;gap:20px;width:320px;max-height:calc(100vh - 40px);overflow-y:auto;background:#000c;border:1px solid #333;padding:20px;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);pointer-events:auto;transition:transform .2s cubic-bezier(0,1,.5,1)}#ui.hidden{transform:translate(-150%);pointer-events:none}.header h1{font-size:1.1rem;font-weight:700;letter-spacing:-.5px;text-transform:uppercase;margin-top:5px;border-bottom:1px solid #333;padding-bottom:10px;margin-bottom:10px;color:#fff}.back-link{color:#666;text-decoration:none;font-size:.75rem;font-weight:700;border:1px solid #333;padding:2px 6px;display:inline-block}.back-link:hover{background:#fff;color:#000;border-color:#fff}.control-group{display:flex;flex-direction:column;gap:10px;padding-bottom:15px;border-bottom:1px dashed #333}.control-group>label{font-size:.7rem;font-weight:900;color:#666;text-transform:uppercase;letter-spacing:1px}.palette{display:flex;flex-wrap:wrap;gap:8px}.btn{background:#111;border:1px solid #333;color:#888;padding:8px 10px;font-family:Space Mono,monospace;font-size:.7rem;font-weight:700;cursor:pointer;transition:all .1s;flex-grow:1;text-transform:uppercase;text-align:center}.btn:hover{background:#333;color:#fff;border-color:#666}.btn.active{background:#fff;color:#000;border-color:#fff}.instructions p{font-size:.7rem;margin-bottom:6px;color:#666}#ui-toggle{position:absolute;top:20px;left:20px;width:40px;height:40px;background:#000;border:1px solid #333;color:#fff;font-family:Space Mono,monospace;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:100;opacity:0}#ui-close{background:transparent;border:none;color:#666;font-size:1.5rem;cursor:pointer;line-height:1}#ui-close:hover{color:#fff}input[type=range]{-webkit-appearance:none;width:100%;background:transparent}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;height:16px;width:16px;border-radius:50%;background:#fff;cursor:pointer;margin-top:-6px}input[type=range]::-webkit-slider-runnable-track{width:100%;height:4px;cursor:pointer;background:#333;border-radius:2px}input[type=range]:focus{outline:none}