: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}}#root{width:100%;height:100vh;margin:0;padding:0}.editor-container{display:flex;width:100vw;height:100vh;overflow:hidden;background:#e0e0e0}.sidebar{width:300px;min-width:300px;background:#f5f5f7;border-right:1px solid #d2d2d7;display:flex;flex-direction:column}.main-area{flex:1;display:flex;flex-direction:column}.canvas{flex:1;position:relative;overflow:auto;background-image:radial-gradient(#ccc 1.2px,transparent 0);background-size:15px 15px;background-position:-7.5px -7.5px;background-attachment:local}.canvas.delete-cursor,.canvas.crosshair-cursor{cursor:crosshair}.part-container{position:relative;transition:opacity .3s ease}.part-container:hover{filter:drop-shadow(0 0 4px rgba(0,113,227,.5))}.part-container.delete-mode:hover{filter:drop-shadow(0 0 4px rgba(255,59,48,.8))}.rotate-indicator{position:absolute;top:-15px;right:-15px;background:#0071e3;color:#fff;width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;opacity:0;transition:opacity .2s;pointer-events:none;z-index:30}.part-container:hover .rotate-indicator{opacity:1}.toolbar{display:flex;gap:12px;padding:8px 16px;background:#fffc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid #d2d2d7;align-items:center;z-index:200}.tool-group{display:flex;background:#f0f0f2;padding:2px;border-radius:8px}.tool-button{padding:6px 12px;font-size:13px;border:none;background:transparent;cursor:pointer;border-radius:6px}.tool-button.active{background:#fff;box-shadow:0 1px 3px #0000001a;color:#0071e3}