:root{--bg: #0d0f14;--surface: #161922;--surface-2: #1e222d;--surface-3: #272c3a;--surface-4: #323849;--text: #e8eaf0;--text-dim: #b7bcc9;--muted: #828999;--accent: #2ec27e;--accent-2: #3ad88e;--accent-soft: rgba(46, 194, 126, .16);--accent-text: #07120c;--danger: #ff6b6b;--radius: 12px;--radius-sm: 9px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .25);--shadow-md: 0 8px 28px rgba(0, 0, 0, .38);--shadow-lg: 0 20px 60px rgba(0, 0, 0, .55);--sidebar-w: 300px;--toc-w: 230px;--topbar-h: 60px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: "JetBrains Mono", "SF Mono", "Cascadia Code", Consolas, 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