:root{--text:#334155;--text-h:#0f172a;--muted:#64748b;--bg:#f6f8fb;--soft:#f8fafc;--border:#d9e0e8;--accent:#176b87;--accent-bg:#e8f4f7;--sans:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace;font:16px/145% var(--sans);letter-spacing:0;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{min-width:0}body{background:var(--bg);margin:0}h1,h2,p{margin:0}h1,h2{color:var(--text-h);letter-spacing:0;font-weight:750}h1{font-size:30px;line-height:1.1}h2{font-size:18px;line-height:1.25}#root{min-height:100svh}.app-shell{background:var(--bg);min-height:100svh}.topbar{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:24px;padding:28px 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