*{box-sizing:border-box;margin:0;padding:0}:root{--font-sans: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", source-code-pro, Menlo, Monaco, Consolas, monospace;--bg-app: #f8fafc;--bg-panel: #ffffff;--bg-header: #ffffff;--bg-tab-inactive: #f1f5f9;--bg-tab-active: #ffffff;--bg-toolbar: #f8fafc;--border-color: #e2e8f0;--text-primary: #0f172a;--text-secondary: #64748b;--text-muted: #94a3b8;--accent-color: #3b82f6;--accent-hover: #2563eb;--accent-light: #eff6ff;--tree-key: #8b5cf6;--tree-string: #10b981;--tree-number: #f59e0b;--tree-boolean: #ef4444;--tree-null: #64748b;--tree-bracket: #475569;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--resizer-width: 8px;--transition-speed: .2s;color-scheme:light dark}html.dark-theme{--bg-app: #090d16;--bg-panel: #111827;--bg-header: 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