:root{--color-primary: #2563eb;--color-secondary: #1e40af;--color-accent: #0ea5e9;--color-success: #10b981;--color-error: #ef4444;--color-light-bg: #ffffff;--color-dark-bg: #0f172a;--color-light-text: #1e293b;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-400: #9ca3af;--color-gray-600: #4b5563;--transition-base: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica 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