:root{--primary: #4F46E5;--primary-hover: #4338CA;--primary-light: #EEF2FF;--secondary: #0EA5E9;--success: #10B981;--warning: #F59E0B;--danger: #EF4444;--gray-50: #F9FAFB;--gray-100: #F3F4F6;--gray-200: #E5E7EB;--gray-300: #D1D5DB;--gray-400: #9CA3AF;--gray-500: #6B7280;--gray-600: #4B5563;--gray-700: #374151;--gray-800: #1F2937;--gray-900: #111827;--sidebar-width: 260px;--header-height: 64px;--radius: 12px;--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--gray-50);color:var(--gray-800);line-height:1.6;-webkit-font-smoothing:antialiased}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--gray-900);color:#fff;position:fixed;top:0;left:0;bottom:0;z-index:100;display:flex;flex-direction:column;transition:transform .3s 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