:root{--bg:#fafafa;--bg-panel:#fff;--bg-subtle:#f4f4f4;--bg-hover:#eee;--bg-active:#e8f5ec;--fg:#1a1a1a;--fg-muted:#6b6b6b;--fg-faint:#9b9b9b;--border:#e5e5e5;--border-strong:#d4d4d4;--accent:#0f9d58;--accent-strong:#0b7a43;--accent-soft:#e6f4ec;--danger:#d93025;--radius:6px;--shadow-1:0 1px 2px #0000000a;--shadow-2:0 4px 16px #00000014;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;--mono:"SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;--sidebar-w:232px;--right-w:320px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.6;overflow:hidden}button{color:inherit;border-radius:var(--radius);cursor:pointer;background:0 0;border:none;padding:4px 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