:root{--bg:#07101f;--side:#09172a;--panel:#0e2036;--line:#1d3953;--text:#e8f2fa;--muted:#93aabd;--cyan:#37d5dd;--green:#70d3a0;--amber:#e7b85f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 Inter,"Microsoft YaHei",Arial,sans-serif}.app-shell{min-height:100vh;display:grid;grid-template-columns:244px minmax(0,1fr)}.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:28px 18px;background:var(--side);border-right:1px solid var(--line)}.brand{display:flex;align-items:center;gap:11px;padding:0 10px 28px}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border:1px solid var(--cyan);color:var(--cyan);font-weight:800;font-size:17px}.brand strong{display:block;font-size:18px}.brand span,.workspace-label{display:block;color:var(--muted);font-size:10px;letter-spacing:1.1px}.workspace-label{padding:0 12px 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