:root{--bg:#f5f6f8;--panel:#fff;--text:#111827;--muted:#6b7280;--weak:#9ca3af;--border:#e5e7eb;--blue:#1677ff;--green:#16a34a;--orange:#f59e0b;--red:#dc2626;--purple:#6d5dfc;--shadow:0 12px 32px #0f172a14}*{box-sizing:border-box}body{color:var(--text);background:var(--bg);font-variant-numeric:tabular-nums;margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,sans-serif}button,input,select{font:inherit}button{cursor:pointer}.loading-screen{min-height:100vh;color:var(--muted);place-items:center;gap:12px;display:grid}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.shell{min-height:100vh;display:flex}.sidebar{border-right:1px solid var(--border);background:#fff;flex:0 0 236px;width:236px;height:100vh;padding:18px 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