:root{--color-bg: #fafaf9;--color-surface: #ffffff;--color-border: #e7e5e4;--color-border-soft: #f5f5f4;--color-text: #1c1917;--color-text-muted: #78716c;--color-text-faint: #a8a29e;--color-accent: #1c1917;--color-up: #16a34a;--color-down: #dc2626;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-serif: Georgia, "Times New Roman", serif;--font-mono: "SF Mono", "Fira Code", "Cascadia Code", monospace;--radius-sm: 3px;--radius-md: 4px;--radius-lg: 8px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 2px 8px rgba(0,0,0,.08);--shadow-lg: 0 4px 24px rgba(0,0,0,.12), 0 1px 4px rgba(0,0,0,.06);--sidebar-width: 260px;--header-height: 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