:root{color-scheme:light;--bg: #f8fafc;--surface: #ffffff;--surface-strong: #f1f5f9;--ink: #0f172a;--muted: #64748b;--line: #e2e8f0;--line-strong: #cbd5e1;--accent: #2563eb;--accent-soft: rgba(37, 99, 235, .15);--danger: #ef4444;--danger-soft: rgba(239, 68, 68, .15);--warning: #f59e0b;--critical: #dc2626;--success: #16a34a;--shadow: 0 2px 8px rgba(0, 0, 0, .05);--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px}[data-theme=dark]{color-scheme:dark;--bg: #0d1117;--surface: #161b22;--surface-strong: #21262d;--ink: #c9d1d9;--muted: #8b949e;--line: #30363d;--line-strong: #484f58;--accent: #58a6ff;--accent-soft: rgba(88, 166, 255, .15);--danger: #f85149;--danger-soft: rgba(248, 81, 73, .15);--warning: #d29922;--critical: #da3633;--success: #2ea043;--shadow: 0 2px 8px rgba(0, 0, 0, .2)}*{box-sizing:border-box}html,body,#root{height:100vh;margin:0;overflow:hidden}body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif,"Apple 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