:root{--bg:#0b0b0d;--surface:#131418;--surface-2:#1b1d24;--border:#262932;--text:#e7e7ea;--muted:#8b8f9b;--accent:#d4a84b;--accent-hover:#c49738;--danger:#e05656;--success:#4dae6b;--radius:10px;--shadow:0 8px 24px rgba(0,0,0,.35)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:16px 12px;display:flex;flex-direction:column;gap:4px}.sidebar .brand{padding:8px 12px 16px;font-weight:700;font-size:16px;letter-spacing:.02em;color:var(--accent)}.sidebar .nav-link{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--muted);font-weight:500}.sidebar .nav-link.active,.sidebar 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