:root{--primary-color: #3B7CC0;--primary-dark: #2a5a8f;--primary-light: #5a9bd5;--secondary-color: #718096;--secondary-dark: #4a5568;--secondary-light: #a0aec0;--bg-white: #cecece;--bg-gray-light: #f7fafc;--bg-gray: #edf2f7;--text-primary: #1a202c;--text-secondary: #718096;--text-light: #a0aec0;--border-light: #e2e8f0;--border-gray: #cbd5e0;--error-color: #f56565;--error-bg: #fff5f5;--error-border: #feb2b2;--success-color: #48bb78;--warning-color: #ed8936;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .12);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 20px rgba(0, 0, 0, .15);--shadow-xl: 0 20px 60px rgba(0, 0, 0, .3);--gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%)}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text-primary)}html,body{height:100%}