:root{--bg:#fff;--panel:#fff;--muted:#737373;--text:#171717;--border:#e6e6e6;--accent:#f5f5f5;--header-height:56px;--reader-width:40rem;--workspace-width:60rem;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}body{color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-family:Inter,Helvetica Neue,Arial,sans-serif;font-weight:400}a,button{font:inherit;color:inherit}button{cursor:pointer;background:0 0;border:0;padding:0}.app{background:var(--bg);min-height:100vh}.topbar{z-index:50;width:100%;height:var(--header-height);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff2;position:sticky;top:0}.topbar-inner{align-items:center;gap:16px;width:100%;height:100%;padding:0 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