:root{font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,-apple-system,sans-serif;color:#18233a;background:#f5f7fb;font-synthesis:none;--brand:#2457f5;--navy:#10213d;--muted:#667085;--line:#e7eaf0;--card:#fff;--success:#159a69;--warning:#d97706;--danger:#d63f54;--shadow:0 8px 30px rgba(16,33,61,.07)}*{box-sizing:border-box}body{margin:0;background:#f5f7fb;font-size:14px}button,input,select{font:inherit}button,select{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(36,87,245,.2);outline-offset:2px}.appShell{min-height:100vh;display:grid;grid-template-columns:236px 1fr}.sidebar{position:sticky;top:0;height:100vh;padding:22px 14px;color:#fff;background:linear-gradient(180deg,#122746,#0d1d35);z-index:20}.brand{display:flex;align-items:center;gap:11px;padding:0 10px 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