:root{--bg-base: #0d0f11;--bg-surface: #13161a;--bg-raised: #1a1e24;--bg-hover: #1f242c;--bg-active: #252c36;--border: #2a3040;--border-accent: #3a4555;--amber: #f0a020;--amber-dim: #a06810;--amber-glow: rgba(240, 160, 32, .12);--green: #4ec994;--green-dim: #2a6a50;--red: #e05050;--red-dim: #6a2828;--blue: #5aacf0;--blue-dim: #2a5070;--text-primary: #d8dde8;--text-secondary:#8898b0;--text-muted: #4a5568;--text-amber: #f0a020;--font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, "DejaVu Sans Mono", monospace;--font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;--radius-sm: 3px;--radius-md: 5px;--radius-lg: 8px;--tab-height: 48px;--sidebar-width: 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