@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:#e0e0e0;color:#000;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:#fffc;border:1px solid #000;padding:20px;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);pointer-events:auto;transition:transform .2s cubic-bezier(0,1,.5,1);box-shadow:5px 5px #0000001a}#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:2px solid #000;padding-bottom:10px;margin-bottom:10px;color:#000}.back-link{color:#fff;background:#000;text-decoration:none;font-size:.75rem;font-weight:700;border:1px solid #000;padding:2px 6px;display:inline-block}.back-link:hover{background:#fff;color:#000}.control-group{display:flex;flex-direction:column;gap:10px;padding-bottom:15px;border-bottom:1px dashed #999}.control-group>label{font-size:.7rem;font-weight:900;color:#555;text-transform:uppercase;letter-spacing:1px}.palette{display:flex;flex-wrap:wrap;gap:8px}.btn{background:#fff;border:1px solid #000;color:#000;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:#eee;box-shadow:2px 2px #000}.btn.active{background:#000;color:#fff;box-shadow:2px 2px #999}.instructions p{font-size:.7rem;margin-bottom:6px;color:#555}#ui-toggle{position:absolute;top:20px;left:20px;width:40px;height:40px;background:#fff;border:2px solid #000;color:#000;font-family:Space Mono,monospace;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:100;opacity:0;box-shadow:4px 4px #0000001a}#ui-close{background:transparent;border:none;color:#999;font-size:1.5rem;cursor:pointer;line-height:1}#ui-close:hover{color:#000}