:root{--font-display: "DM Sans", system-ui, sans-serif;--font-body: "DM Sans", system-ui, sans-serif;--font-serif: "Source Serif 4", Georgia, serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--bg-primary: #FAFAF8;--bg-secondary: #F2F0EC;--bg-tertiary: #E8E5DF;--bg-editor: #FFFFFF;--bg-preview: #FDFCFA;--bg-toolbar: rgba(255, 255, 255, .85);--bg-code: #F6F5F2;--bg-blockquote: #F9F7F4;--bg-hover: rgba(0, 0, 0, .04);--bg-active: rgba(0, 0, 0, .07);--text-primary: #1A1A18;--text-secondary: #6B6860;--text-tertiary: #9C9789;--text-link: #B8510D;--border-primary: #E0DDD6;--border-secondary: #EBE8E2;--accent: #B8510D;--accent-hover: #9E4209;--accent-light: rgba(184, 81, 13, .08);--accent-glow: rgba(184, 81, 13, .15);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 20px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .06);--shadow-lg: 0 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