:root {--text-color: #111827;--background-color: #ffffff;--secondary-color: #10b981;--primary-color: #3b82f6;--gray-50: #F8F8F8;--gray-100: #F3F3F3;--gray-200: #EDEDED;--gray-300: #E2E2E2;--gray-400: #C7C7C7;--gray-500: #999999;--gray-600: #7C7C7C;--gray-700: #525252;--gray-800: #383838;--gray-900: #171717;}@media (prefers-color-scheme: dark) {:root {--text-color: #f9fafb;--background-color: #1f2937;--secondary-color: #34d399;--primary-color: #60a5fa;}}