:root{--color-primary: #007bff;--color-primary-dark: #0056b3;--color-primary-light: #e6f2ff;--color-secondary: #6c757d;--color-success: #28a745;--color-danger: #dc3545;--color-warning: #ffc107;--color-info: #17a2b8;--color-text: #212529;--color-text-light: #495057;--color-text-muted: #6c757d;--color-background: #f4f7f9;--color-surface: #ffffff;--color-border: #dee2e6;--color-border-input: #ced4da;--color-border-input-focus: var(--color-primary);--font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-size-base: 1rem;--font-size-sm: .875rem;--font-size-lg: 1.125rem;--line-height-base: 1.6;--font-weight-normal: 400;--font-weight-bold: 600;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--border-radius: .375rem;--border-radius-sm: .25rem;--border-width: 1px;--box-shadow-sm: 0 2px 4px rgba(0, 0, 0, .05);--box-shadow: 0 4px 12px rgba(0, 0, 0, .1);--focus-ring-shadow: 0 0 0 .2rem rgba(var(--color-primary-rgb, 0, 123, 255), .25);--transition-base: all .2s ease-in-out;--color-primary-rgb: 0, 123, 255}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:var(--font-family-sans-serif);font-size:var(--font-size-base);line-height:var(--line-height-base);color:var(--color-text);background-color:var(--color-background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}