:root{--bg:#f5f7fb;--panel:#fff;--line:#e5ebf3;--text:#172033;--muted:#6c7890;--primary:#2454ff;--primary-soft:#edf2ff;--green:#12a66a;--green-soft:#eafaf2;--orange:#f79009;--orange-soft:#fff4e5;--red:#e5484d;--red-soft:#fdecec;--purple:#7557ee;--purple-soft:#f3efff;--shadow:0 14px 34px rgba(20,33,61,.07);--radius:18px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{text-decoration:none;color:inherit}.app-shell{display:grid;grid-template-columns:270px 1fr;min-height:100vh}.sidebar{background:#fff;border-right:1px solid var(--line);padding:24px 18px;display:flex;flex-direction:column;gap:22px}.brand{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid 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