:root{--bg:#F5F3EE;--surface:#FFFFFF;--sidebar:#FAF8F3;--border:#E6E3DC;--tx:#1C1B19;--tx2:#5C594F;--muted:#8C887E;--accent:#C8443C;--accent-h:#A8362F;--accent-soft:#FBEDEB;--ok:#2E7D5B;--ok-soft:#E6F2EC;--warn:#B5751A;--warn-soft:#FBF0DD;--danger:#C0392B;--danger-soft:#FBE9E7;--info:#2C5F7C;--sh-sm:0 1px 2px rgba(28,27,25,.05);--sh-md:0 4px 12px rgba(28,27,25,.08);--sh-pop:0 8px 24px rgba(28,27,25,.12)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--tx);font-family:Inter,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:24px;-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer}a{color:var(--info);text-decoration:none}a:hover{text-decoration:underline}.serif{font-family:"Source Serif 4",Georgia,serif}.app{display:flex;height:100vh;overflow:hidden}.sidebar{width:280px;flex-shrink:0;background:var(--sidebar);border-right:1px solid 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