@import "https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&display=swap";:root{--primary:#3b82f6}*{box-sizing:border-box;margin:0;padding:0}body{color:#1e2937;background:#f8fafc;margin:0;padding:0;font-family:Noto Sans SC,system-ui,sans-serif;overflow:hidden}.header{background:#fff;border-bottom:2px solid #e2e8f0;align-items:center;gap:16px;padding:12px 24px;display:flex;box-shadow:0 2px 4px #0000000d}.title{color:var(--primary);margin:0;font-size:22px;font-weight:700}.toolbar{flex-wrap:wrap;gap:12px;display:flex}button{cursor:pointer;background:#fff;border:2px solid #e2e8f0;border-radius:8px;padding:8px 16px;font-size:14px;font-weight:500;transition:all .2s}button:hover{border-color:var(--primary);background:#f1f5f9}button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.main{height:calc(100vh - 56px);display:flex}.sidebar{width:300px;min-width:300px;overflow-y:unset;background:#fff;border-right:2px solid #e2e8f0;flex-direction:column;gap:20px;padding:20px;display:flex}.canvas-container{background:#f1f5f9;flex-direction:column;flex:1;gap:8px;padding:16px;display:flex}.three-container{background:#0f172a;border-radius:16px;flex:1;position:relative;overflow:hidden;box-shadow:0 10px 15px -3px #0000001a}#three-canvas{width:100%;height:100%}.views,.view-box,.view-header{display:none}.slice-editor{background:#fff;border-radius:12px;padding:16px;box-shadow:0 4px 6px -1px #0000001a}.layer-control{align-items:center;gap:10px;margin-bottom:12px;display:flex}.control-label{min-width:80px;font-size:14px;font-weight:500}.ctrl-btn{min-width:36px;padding:4px 12px;font-size:16px;font-weight:700;line-height:1}.ctrl-value{text-align:center;min-width:28px;font-size:16px;font-weight:700;display:inline-block}.grid-canvas{cursor:crosshair;background:#f8fafc;border:3px solid #e2e8f0;border-radius:8px;margin:0 auto;display:block}.info{background:#f1f5f9;border-radius:8px;padding:12px;font-size:13px;line-height:1.5}.status{z-index:10;background:#ffffffe6;border-radius:9999px;padding:6px 12px;font-size:13px;position:absolute;top:16px;right:16px;box-shadow:0 2px 4px #0000001a}.view-controls{z-index:20;gap:8px;display:flex;position:absolute;bottom:16px;left:16px}.view-controls button{padding:6px 14px;font-size:13px}.footer-text{text-align:center;color:#64748b;margin-top:12px;font-size:13px}@media (width<=768px){.main{flex-direction:column}.sidebar{border-bottom:2px solid #e2e8f0;border-right:none;width:100%}}