:root{color:#1f2933;background:#f5f7fa;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px}.example-shell{width:min(960px,calc(100% - 32px));margin:0 auto;padding:32px 0}header{margin-bottom:18px}h1,.eyebrow{margin:0}h1{font-size:32px;line-height:1.1}.eyebrow{margin-bottom:6px;color:#7a5b10;font-size:12px;font-weight:700;letter-spacing:0;text-transform:uppercase}.graph-surface{width:100%;height:560px;overflow:hidden;border:1px solid #d7dde2;border-radius:8px;background:#fff}