:root{--bg:#f5f7fb;--panel:#fff;--text:#18202f;--muted:#687386;--line:#e7eaf0;--nav:#172033;--nav2:#202b42;--primary:#3867f4;--primary2:#274ed0;--success:#13a673;--warning:#d98e09;--danger:#dc4c5a;--shadow:0 10px 32px rgba(23,32,51,.07)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--text);background:var(--bg);font-size:14px}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{position:fixed;z-index:20;left:0;top:0;bottom:0;width:248px;background:var(--nav);color:#dce3f3;display:flex;flex-direction:column;box-shadow:8px 0 30px rgba(11,18,33,.08)}.brand{height:72px;display:flex;align-items:center;gap:12px;padding:0 21px;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}.brand strong{display:block;font-size:17px;letter-spacing:-.2px}.brand 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