:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}body,html{margin:0;font-family:Arial,sans-serif}header{background:#fff;border-bottom:1px solid #ddd;padding:10px;display:flex;justify-content:space-between;align-items:center}button,label{border:1px solid #ccc;background:#f9f9f9;padding:6px 10px;border-radius:4px;cursor:pointer}button:hover,label:hover{background:#eee}aside{background:#fafafa;border-right:1px solid #ddd;padding:12px}.canvas-container{background:#fff;border:1px solid #ddd;border-radius:4px;position:relative;margin:auto;height:720px;max-width:1100px}.canvas-grid{background-image:linear-gradient(transparent 23px,#00000005 24px);background-size:100% 24px}.properties input{width:100%;border:1px solid #ccc;border-radius:4px;padding:4px}.properties label{font-size:13px;display:block;margin-bottom:4px}