:root{--night:#111112;--panel:#1b1b1d;--well:#0a0a0b;--line:#333334;--ink:#ececee;--muted:#949499;--brand:#be605b;--brand-deep:#731b1d;--error:#e05a52;--warn:#dfa04e;--info:#5f9bd0;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, "SF Mono", Menlo, Consolas, monospace;font:14px/1.5 var(--sans);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:var(--ink);background:var(--night);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0}#root{height:100vh}.app{--checks-width:320px;grid-template-columns:264px 1fr var(--checks-width);background:var(--night);height:100vh;color:var(--ink);grid-template-rows:auto 1fr auto;grid-template-areas:"masthead viewport checks""sidebar viewport checks""titleblock titleblock checks";display:grid}.masthead{border-right:1px solid var(--line);flex-wrap:wrap;grid-area:masthead;align-items:center;gap:2px 10px;padding:12px 18px 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