:root{--bg:#1e1e1e;--bg-panel:#252525;--bg-header:#2d2d2d;--bg-input:#333;--bg-hover:#3a3a3a;--bg-active:#4a4a4a;--bg-selected:#264f78;--border:#1a1a1a;--border-light:#444;--text:#ddd;--text-bright:#fff;--text-secondary:#999;--text-dim:#666;--accent:#4a90d9;--accent-hover:#5ba0e9;--danger:#e06060;--success:#60b060;--warning:#f0a030;--scrollbar-thumb:#555;--scrollbar-track:#2a2a2a}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{background:var(--bg);width:100%;height:100%;color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;font-size:13px;line-height:1.4;overflow:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#777}::selection{background:var(--bg-selected);color:var(--text-bright)}button{font-family:inherit;font-size:inherit;cursor:pointer;color:inherit;background:0 0;border:none}input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}canvas{image-rendering:pixelated;image-rendering:crisp-edges;display:block}.area-view:hover .corner-handle{opacity:.6}.corner-handle:hover{opacity:1;background:#0af}