:root{color:#172026;background:#eef3f5;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}a{color:inherit;text-decoration:none}.app-shell{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:18px;min-height:100vh;padding:18px}.workspace-shell{display:grid;grid-template-rows:auto auto minmax(0,1fr);min-width:0;min-height:calc(100vh - 36px);overflow:hidden;border:1px solid #d6e1e5;border-radius:8px;background:#f8fafb}.topbar,.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-bottom:1px solid #dce6e9;background:#fff}.brand{display:inline-flex;align-items:center;gap:10px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:8px;background:#172026;color:#fff;font-weight:800}.brand span:last-child{display:grid;gap:2px}.brand small{color:#68797f;font-size:12px}.toolbar{flex-wrap:wrap}.toolbar-group{display:inline-flex;align-items:center;gap:8px}.canvas-stage{min-width:0;min-height:0;padding:14px}.canvas-frame{position:relative;width:100%;height:100%;min-height:520px;overflow:hidden;border:1px solid #cbd8dd;border-radius:8px;background:linear-gradient(45deg,#edf2f4 25%,transparent 25%),linear-gradient(-45deg,#edf2f4 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#edf2f4 75%),linear-gradient(-45deg,transparent 75%,#edf2f4 75%);background-color:#fff;background-position:0 0,0 12px,12px -12px,-12px 0;background-size:24px 24px}.canvas-frame canvas{display:block}.canvas-error{position:absolute;inset:16px;display:grid;place-items:center;padding:20px;border-radius:8px;background:#ffffffeb;color:#b42318;text-align:center}.inspector-panel{min-width:0;min-height:calc(100vh - 36px);padding:16px;border:1px solid #d6e1e5;border-radius:8px;background:#fff}.panel-title{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px}.property-list{display:grid;gap:12px;margin:0}.property-list div{display:grid;gap:4px;padding:12px;border:1px solid #e2eaed;border-radius:8px;background:#f8fafb}.property-list dt{color:#68797f;font-size:12px;font-weight:700;text-transform:uppercase}.property-list dd{margin:0;color:#172026;font-weight:700}.empty-inspector{display:grid;place-items:center;min-height:180px;border:1px dashed #c8d6dc;border-radius:8px;color:#68797f;text-align:center}@media(max-width:960px){.app-shell{grid-template-columns:1fr}.workspace-shell,.inspector-panel{min-height:auto}.canvas-frame{min-height:460px}}@media(max-width:640px){.app-shell{padding:12px}.topbar,.toolbar{align-items:stretch;flex-direction:column}.toolbar-group{width:100%;justify-content:space-between}.canvas-stage{padding:10px}.canvas-frame{min-height:360px}}