:root{--color-primary: #007bff;--color-primary-hover: #0056b3;--color-bg-base: #ffffff;--color-bg-surface: #f8f9fa;--color-bg-hover: #e9ecef;--color-bg-muted: #f0f0f0;--color-text-primary: #212529;--color-text-secondary: #6c757d;--color-border: #dee2e6;--color-success: #28a745;--color-error: #dc3545;--space-xs: 4px;--space-s: 8px;--space-m: 16px;--space-l: 24px;--space-xl: 48px}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5;color:var(--color-text-primary);background-color:var(--color-bg-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,input,select,textarea{font-family:inherit}