:root{--bg:#f7f9fa;--panel:#fff;--panel2:#eef3f4;--border:#e2e9ec;--text:#17262b;--muted:#64757e;--accent:#0e8388;--accent-strong:#0b6b6f;--accent-soft:#e2f2f3;--danger:#cf6f61;--shadow:0 1px 3px rgba(23,38,43,.06)}[data-theme=dark]{--bg:#10181b;--panel:#162125;--panel2:#1d2b30;--border:#28383e;--text:#e8eef0;--muted:#8aa0a8;--accent:#2ec4c9;--accent-strong:#5ad3d7;--accent-soft:#123a3d;--danger:#e08575;--shadow:none}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:Hiragino Kaku Gothic ProN,Noto Sans JP,-apple-system,sans-serif;font-size:14px}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}.shell{display:flex;min-height:100vh}.sidebar{width:216px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--border);padding:22px 12px 16px;display:flex;flex-direction:column;gap:3px;position:-webkit-sticky;position:sticky;top:0;height:100vh}.logo{font-weight:800;font-size:18px;padding:0 10px 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