:root{color:#171717;background:#f5f5f5;font-family:Inter,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}main{padding:0}.workspace{min-height:0}.canvas-shell{border:1px solid #ddd;border-radius:12px}.panel{border:1px solid #ddd;border-radius:12px;flex:none;width:300px;padding:18px}.panel h2{margin-top:0}.canvas-shell{border:2px solid #d0d7de;padding:15px;overflow:auto;box-shadow:inset 0 0 0 1px #0f172a0a}