:root{--bg:#f4f6f8;--surface:#fff;--ink:#17202a;--muted:#65717d;--line:#dde3e8;--nav:#101820;--accent:#0c7c86;--accent2:#075e66;--good:#138a5b;--warn:#d97706;--bad:#c2413b;--radius:14px;--shadow:0 8px 30px rgba(16,24,32,.07)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}aside{background:var(--nav);color:#dce4e9;padding:28px 18px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;gap:11px;align-items:center;text-decoration:none;color:inherit;font-size:18px}.brand span{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:var(--accent);color:white;font-weight:800}nav{display:grid;gap:6px;margin-top:34px}nav a,.aside-foot a{color:#aebbc4;text-decoration:none;padding:10px 12px;border-radius:9px}nav a:hover,nav 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