:root{--primary: #f97316;--primary-hover: #ea580c;--primary-light: #fff7ed;--success: #10b981;--success-hover: #059669;--danger: #ef4444;--bg-color: #f3f4f6;--surface: #ffffff;--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;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px 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);--radius-lg: 1.25rem}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;width:100%}body{background-color:var(--bg-color);font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif;color:var(--gray-800);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}