:root{--background: #fafafa;--foreground: #171717;--card: #ffffff;--muted: #f2f2f2;--muted-foreground: #737373;--border: #e5e5e5;--primary: #171717;--primary-foreground: #ffffff;--secondary: #f2f2f2;--success: #16a34a;--warning: #d97706;--destructive: #dc2626;--radius: 8px;--sidebar-w: 240px;--font-ui: "Inter", system-ui, sans-serif;--font-display: "Space Grotesk", system-ui, sans-serif}*,*:before,*:after{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:var(--background);color:var(--foreground);font-family:var(--font-ui);-webkit-font-smoothing:antialiased}button,input,select{font:inherit}.app{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;border-right:1px solid var(--border);background:var(--card);padding:20px 14px;display:flex;flex-direction:column;gap:20px}.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 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