:root{font-family:Arial,sans-serif;font-weight:400;line-height:1.4}*{box-sizing:border-box}body{color:#111827;background:#f5f7fb;margin:0}#root{max-width:none;margin:0;padding:0}button,select,input{font:inherit}.tab-button{cursor:pointer;background:#fff;border:1px solid #cfd7df;border-radius:999px;padding:10px 14px}.tab-button.active{color:#1d4ed8;background:#eff6ff;border-color:#2563eb;font-weight:700}.metric-card{background:#fff;border:1px solid #d7dce1;border-radius:8px;padding:12px}.metric-label{color:#6b7280;margin-bottom:4px;font-size:12px}.metric-value{font-size:15px;font-weight:700}