:root{--fc-bg: #F4F6F9;--fc-surface: #FFFFFF;--fc-border: #E5EAF0;--fc-text: #1F2937;--fc-text-muted: #8A94A6;--fc-accent: #5B7FB9;--fc-success: #4F8F77;--fc-warning: #C49A4B;--fc-danger: #B86B6B;--fc-radius: 8px;--fc-topbar-height: 48px;--fc-sidebar-width: 232px;--fc-sidebar-width-compact: 200px;--fc-sidebar-width-comfy: 264px;--fc-child-nav-width: 200px;--fc-main-padding: 20px 24px 36px;--fc-shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--fc-shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--fc-transition: .2s ease;--fc-font-size-sm: 12px;--fc-font-size-base: 14px;--fc-font-size-lg: 16px;--fc-font-size-xl: 20px;--fc-font-weight-normal: 400;--fc-font-weight-medium: 500;--fc-font-weight-bold: 600}