:root{--bg:#fff;--fg:#1a1d21;--muted:#4b5563;--card:#f4f6f8;--border:#cfd6dd;--accent:#0b5cad;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}:root:not([data-theme=light]){--bg:#14171a;--fg:#eceff2;--muted:#aab3bd;--card:#1e2328;--border:#3a424a;--accent:#6db3f2}}:root[data-theme=dark]{--bg:#14171a;--fg:#eceff2;--muted:#aab3bd;--card:#1e2328;--border:#3a424a;--accent:#6db3f2;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}:root[data-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0;font:1rem/1.5 system-ui,sans-serif}header,main,footer{max-width:72rem;margin:0 auto;padding:1rem}header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;display:flex}h1,h2,h3{line-height:1.2}.lead{color:var(--muted);max-width:46rem}.grid{grid-template-columns:repeat(auto-fill,minmax(18rem,1fr));gap:1rem;display:grid}.card{background:var(--card);border:1px solid var(--border);border-radius:.5rem;padding:1rem}.card h3{margin-top:0}.tags,.note{color:var(--muted);font-size:.875rem}.result{font-weight:600}code{font-family:ui-monospace,monospace}a,summary{color:var(--accent)}select,summary{cursor:pointer}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.skip{position:absolute;left:-999px}.skip:focus{background:var(--bg);z-index:1;padding:.5rem;top:1rem;left:1rem}.tabs{gap:.5rem;margin-bottom:1rem;display:flex}button,.btn{font:inherit;color:var(--fg);background:var(--card);border:1px solid var(--border);cursor:pointer;border-radius:.4rem;padding:.5rem .9rem}button[aria-pressed=true]{border-color:var(--accent);box-shadow:inset 0 -3px 0 var(--accent)}.row{flex-wrap:wrap;align-items:center;gap:.75rem;margin:1rem 0;display:flex}.btn input{max-width:14rem}.form{grid-template-columns:repeat(auto-fill,minmax(16rem,1fr));gap:.75rem;display:grid}.form label{gap:.25rem;display:grid}select,input[type=number]{font:inherit;color:var(--fg);background:var(--bg);border:1px solid var(--border);border-radius:.3rem;padding:.35rem}.warn{border-left:4px solid var(--accent);padding-left:.6rem}.big{margin:.25rem 0;font-size:1.8rem;font-weight:700}h4{margin:0}table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{border:1px solid var(--border);text-align:left;vertical-align:top;padding:.4rem .6rem}thead th{background:var(--card)}caption{text-align:left;padding:.25rem 0;font-weight:600}.scroll{overflow-x:auto}meter{vertical-align:middle;width:10rem;height:1rem}section.card{margin:1rem 0}