:root{--bg: #f6f7f9;--surface: #ffffff;--surface-2: #f0f2f5;--border: #e2e5ea;--text: #1a1d23;--muted: #6b7280;--accent: #2f6df6;--accent-weak: #e7effe;--good: #17915b;--mono: "SF Mono", ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;--radius: 12px;--shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 1px 2px rgba(16, 24, 40, .04)}@media (prefers-color-scheme: dark){:root{--bg: #0e1117;--surface: #161b22;--surface-2: #1c222b;--border: #2b313b;--text: #e6e9ef;--muted: #9aa4b2;--accent: #5b8dff;--accent-weak: #182338;--good: #3fb27f;--shadow: none}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 28px;border-bottom:1px solid 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