:root{--bg:#f5f7fc;--ink:#18233e;--muted:#7c879e;--blue:#4168f6;--line:#e8edf6;--white:#fff;--green:#159974}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--blue);text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer}button:disabled{cursor:default;opacity:.65}[hidden]{display:none!important}.brand{font-size:27px;letter-spacing:-1px;font-weight:750;color:var(--ink);display:flex;gap:9px;align-items:center}.brand-icon{display:inline-flex;background:var(--blue);color:white;align-items:center;justify-content:center;font-size:28px;width:38px;height:38px;border-radius:12px;letter-spacing:-2px;padding-right:2px}.brand-dot{color:var(--blue);margin-left:-9px}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{padding:34px 22px;border-right:1px solid 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