:root{--bg:#f6f6f2;--paper:#fff;--ink:#242522;--muted:#73766f;--line:#e5e5df;--line2:#d5d7d0;--accent:#466b5a;--accent-soft:#e9f0ec;--warn:#9a682f;--warn-soft:#fbf3e7;--danger:#a9473f;--shadow:0 10px 32px #22241f14;--safe-bottom:env(safe-area-inset-bottom,0px)}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--ink);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px}#root{height:100%}button,input{font:inherit;color:inherit}button{cursor:pointer}.icon-btn{background:0 0;border:0;border-radius:8px;place-items:center;width:36px;height:36px;display:grid}.icon-btn:hover{background:#eeeeea}.app{grid-template-rows:52px 1fr;height:100dvh;display:grid;overflow:hidden}.topbar{border-bottom:1px solid var(--line);z-index:20;background:#ffffffeb;grid-template-columns:260px minmax(280px,560px) 1fr;align-items:center;padding:0 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