:root{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-secondary: #475569;--accent-color: #2563eb;--bg-app: #f8fafc;--bg-panel: #ffffff;--bg-canvas: #e2e8f0;--text-main: #0f172a;--text-muted: #64748b;--border-color: #e2e8f0;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--font-sans: "Inter", system-ui, -apple-system, sans-serif}body{margin:0;font-family:var(--font-sans);background-color:var(--bg-app);color:var(--text-main);-webkit-font-smoothing:antialiased}*{box-sizing:border-box}.toolbox-sidebar{width:320px;background-color:var(--bg-panel);border-right:1px solid var(--border-color);display:flex;flex-direction:column;z-index:10;transition:width .3s ease;flex-shrink:0}@media(min-width:1200px){.toolbox-sidebar{width:360px}}@media(min-width:1600px){.toolbox-sidebar{width:420px}}